Exogenous Application of Phytohormones Promotes Growth and Regulates Expression of Wood Formation-Related Genes in Populus simonii × P. nigra.
Identifieur interne : 000971 ( Main/Exploration ); précédent : 000970; suivant : 000972Exogenous Application of Phytohormones Promotes Growth and Regulates Expression of Wood Formation-Related Genes in Populus simonii × P. nigra.
Auteurs : Hongmei Yuan [République populaire de Chine] ; Lijuan Zhao [République populaire de Chine, Oman] ; Wendong Guo [République populaire de Chine] ; Ying Yu [République populaire de Chine] ; Lei Tao [République populaire de Chine] ; Liguo Zhang [République populaire de Chine] ; Xixia Song [République populaire de Chine] ; Wengong Huang [République populaire de Chine] ; Lili Cheng [République populaire de Chine] ; Jing Chen [République populaire de Chine] ; Fengzhi Guan [République populaire de Chine] ; Guangwen Wu [République populaire de Chine] ; Huiyu Li [République populaire de Chine]Source :
- International journal of molecular sciences [ 1422-0067 ] ; 2019.
Descripteurs français
- KwdFr :
- Acides indolacétiques (métabolisme), Bois (génétique), Facteur de croissance végétal (génétique), Gibbérellines (génétique), Phloème (génétique), Plant (génétique), Populus (génétique), Régulation de l'expression des gènes codant pour des enzymes (génétique), Régulation de l'expression des gènes végétaux (génétique), Spécificité d'organe (génétique), Xylème (génétique).
- MESH :
English descriptors
- KwdEn :
- Gene Expression Regulation, Enzymologic (genetics), Gene Expression Regulation, Plant (genetics), Gibberellins (genetics), Indoleacetic Acids (metabolism), Organ Specificity (genetics), Phloem (genetics), Plant Growth Regulators (genetics), Populus (genetics), Seedlings (genetics), Wood (genetics), Xylem (genetics).
- MESH :
- chemical , genetics : Gibberellins, Plant Growth Regulators.
- genetics : Gene Expression Regulation, Enzymologic, Gene Expression Regulation, Plant, Organ Specificity, Phloem, Populus, Seedlings, Wood, Xylem.
- chemical , metabolism : Indoleacetic Acids.
Abstract
Although phytohormones are known to be important signal molecules involved in wood formation, their roles are still largely unclear. Here, Populus simonii × P. nigra seedlings were treated with different concentrations of exogenous phytohormones, indole-3-acetic acid (IAA), gibberellin (GA₃), and brassinosteroid (BR), and the effects of phytohormones on growth were investigated. Next, 27 genes with known roles in wood formation were selected for qPCR analysis to determine tissue-specificity and timing of responses to phytohormone treatments. Compared to the control, most IAA, GA₃, and BR concentrations significantly increased seedling height. Meanwhile, IAA induced significant seedling stem diameter and cellulose content increases that peaked at 3 and 30 mg·L-1, respectively. Significant increase in cellulose content was also observed in seedlings treated with 100 mg·L-1 GA₃. Neither stem diameter nor cellulose content of seedlings were affected by BR treatment significantly, although slight effects were observed. Anatomical measurements demonstrated improved xylem, but not phloem, development in IAA- and BR-treated seedlings. Most gene expression patterns induced by IAA, GA₃, and BR differed among tissues. Many IAA response genes were also regulated by GA₃, while BR-induced transcription was weaker and slower in Populus than for IAA and GA₃. These results reveal the roles played by phytohormones in plant growth and lay the foundation for exploring molecular regulatory mechanisms of wood formation in Populus.
DOI: 10.3390/ijms20030792
PubMed: 30759868
PubMed Central: PMC6387376
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Postdoctoral Programme, 368 Xuefu Road, Harbin 150086, China. zhangliguohemp@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Heilongjiang Academy of Agricultural Sciences Postdoctoral Programme, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Crop Breeding Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China; zlj-110@163.com. zhangliguohemp@163.com.</nlm:affiliation><country wicri:rule="url">Oman</country><wicri:regionArea>Crop Breeding Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Guo, Wendong" sort="Guo, Wendong" uniqKey="Guo W" first="Wendong" last="Guo">Wendong Guo</name><affiliation wicri:level="1"><nlm:affiliation>Institute of 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150086</wicri:noRegion></affiliation></author><author><name sortKey="Tao, Lei" sort="Tao, Lei" uniqKey="Tao L" first="Lei" last="Tao">Lei Tao</name><affiliation wicri:level="1"><nlm:affiliation>College of Life Science, Northeast Forestry University, 26 Hexing Road, Harbin 150040, China. taolei2003-01@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Life Science, Northeast Forestry University, 26 Hexing Road, Harbin 150040</wicri:regionArea><wicri:noRegion>Harbin 150040</wicri:noRegion></affiliation></author><author><name sortKey="Zhang, Liguo" sort="Zhang, Liguo" uniqKey="Zhang L" first="Liguo" last="Zhang">Liguo Zhang</name><affiliation wicri:level="1"><nlm:affiliation>Heilongjiang Academy of Agricultural Sciences Postdoctoral Programme, 368 Xuefu Road, Harbin 150086, China. zhangliguohemp@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Heilongjiang Academy of Agricultural Sciences Postdoctoral Programme, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. zhangliguohemp@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Song, Xixia" sort="Song, Xixia" uniqKey="Song X" first="Xixia" last="Song">Xixia Song</name><affiliation wicri:level="1"><nlm:affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. jjzwyjs@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Huang, Wengong" sort="Huang, Wengong" uniqKey="Huang W" first="Wengong" last="Huang">Wengong Huang</name><affiliation wicri:level="1"><nlm:affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. huangwengong1736@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Cheng, Lili" sort="Cheng, Lili" uniqKey="Cheng L" first="Lili" last="Cheng">Lili Cheng</name><affiliation wicri:level="1"><nlm:affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. chenglili_i@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Chen, Jing" sort="Chen, Jing" uniqKey="Chen J" first="Jing" last="Chen">Jing Chen</name><affiliation wicri:level="1"><nlm:affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. ccyj15@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Guan, Fengzhi" sort="Guan, Fengzhi" uniqKey="Guan F" first="Fengzhi" last="Guan">Fengzhi Guan</name><affiliation wicri:level="1"><nlm:affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. guanfengzhiflax@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Wu, Guangwen" sort="Wu, Guangwen" uniqKey="Wu G" first="Guangwen" last="Wu">Guangwen Wu</name><affiliation wicri:level="1"><nlm:affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. zlg2015@neau.edu.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Li, Huiyu" sort="Li, Huiyu" uniqKey="Li H" first="Huiyu" last="Li">Huiyu Li</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, 26 Hexing Road, Harbin 150040, China. huiyuli1978@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, 26 Hexing Road, Harbin 150040</wicri:regionArea><wicri:noRegion>Harbin 150040</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2019">2019</date><idno type="RBID">pubmed:30759868</idno><idno type="pmid">30759868</idno><idno type="doi">10.3390/ijms20030792</idno><idno type="pmc">PMC6387376</idno><idno type="wicri:Area/Main/Corpus">000A34</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000A34</idno><idno type="wicri:Area/Main/Curation">000A34</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">000A34</idno><idno type="wicri:Area/Main/Exploration">000A34</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Exogenous Application of Phytohormones Promotes Growth and Regulates Expression of Wood Formation-Related Genes in <i>Populus simonii</i> × <i>P. nigra</i>.</title><author><name sortKey="Yuan, Hongmei" sort="Yuan, Hongmei" uniqKey="Yuan H" first="Hongmei" last="Yuan">Hongmei Yuan</name><affiliation wicri:level="1"><nlm:affiliation>Heilongjiang Academy of Agricultural Sciences Postdoctoral Programme, 368 Xuefu Road, Harbin 150086, China. yuanhm1979@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Heilongjiang Academy of Agricultural Sciences Postdoctoral Programme, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. yuanhm1979@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, 26 Hexing Road, Harbin 150040, China. yuanhm1979@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, 26 Hexing Road, Harbin 150040</wicri:regionArea><wicri:noRegion>Harbin 150040</wicri:noRegion></affiliation></author><author><name sortKey="Zhao, Lijuan" sort="Zhao, Lijuan" uniqKey="Zhao L" first="Lijuan" last="Zhao">Lijuan Zhao</name><affiliation wicri:level="1"><nlm:affiliation>Heilongjiang Academy of Agricultural Sciences Postdoctoral Programme, 368 Xuefu Road, Harbin 150086, China. zhangliguohemp@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Heilongjiang Academy of Agricultural Sciences Postdoctoral Programme, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Crop Breeding Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China; zlj-110@163.com. zhangliguohemp@163.com.</nlm:affiliation><country wicri:rule="url">Oman</country><wicri:regionArea>Crop Breeding Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Guo, Wendong" sort="Guo, Wendong" uniqKey="Guo W" first="Wendong" last="Guo">Wendong Guo</name><affiliation wicri:level="1"><nlm:affiliation>Institute of Natural Resources and Ecology, Heilongjiang Academy of Sciences, 103 Haping Road, Harbin 150040, China. guowendong988@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Institute of Natural Resources and Ecology, Heilongjiang Academy of Sciences, 103 Haping Road, Harbin 150040</wicri:regionArea><wicri:noRegion>Harbin 150040</wicri:noRegion></affiliation></author><author><name sortKey="Yu, Ying" sort="Yu, Ying" uniqKey="Yu Y" first="Ying" last="Yu">Ying Yu</name><affiliation wicri:level="1"><nlm:affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. yuying_1981_0451@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Tao, Lei" sort="Tao, Lei" uniqKey="Tao L" first="Lei" last="Tao">Lei Tao</name><affiliation wicri:level="1"><nlm:affiliation>College of Life Science, Northeast Forestry University, 26 Hexing Road, Harbin 150040, China. taolei2003-01@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Life Science, Northeast Forestry University, 26 Hexing Road, Harbin 150040</wicri:regionArea><wicri:noRegion>Harbin 150040</wicri:noRegion></affiliation></author><author><name sortKey="Zhang, Liguo" sort="Zhang, Liguo" uniqKey="Zhang L" first="Liguo" last="Zhang">Liguo Zhang</name><affiliation wicri:level="1"><nlm:affiliation>Heilongjiang Academy of Agricultural Sciences Postdoctoral Programme, 368 Xuefu Road, Harbin 150086, China. zhangliguohemp@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Heilongjiang Academy of Agricultural Sciences Postdoctoral Programme, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. zhangliguohemp@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Song, Xixia" sort="Song, Xixia" uniqKey="Song X" first="Xixia" last="Song">Xixia Song</name><affiliation wicri:level="1"><nlm:affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. jjzwyjs@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Huang, Wengong" sort="Huang, Wengong" uniqKey="Huang W" first="Wengong" last="Huang">Wengong Huang</name><affiliation wicri:level="1"><nlm:affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. huangwengong1736@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Cheng, Lili" sort="Cheng, Lili" uniqKey="Cheng L" first="Lili" last="Cheng">Lili Cheng</name><affiliation wicri:level="1"><nlm:affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. chenglili_i@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Chen, Jing" sort="Chen, Jing" uniqKey="Chen J" first="Jing" last="Chen">Jing Chen</name><affiliation wicri:level="1"><nlm:affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. ccyj15@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Guan, Fengzhi" sort="Guan, Fengzhi" uniqKey="Guan F" first="Fengzhi" last="Guan">Fengzhi Guan</name><affiliation wicri:level="1"><nlm:affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. guanfengzhiflax@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Wu, Guangwen" sort="Wu, Guangwen" uniqKey="Wu G" first="Guangwen" last="Wu">Guangwen Wu</name><affiliation wicri:level="1"><nlm:affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. zlg2015@neau.edu.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086</wicri:regionArea><wicri:noRegion>Harbin 150086</wicri:noRegion></affiliation></author><author><name sortKey="Li, Huiyu" sort="Li, Huiyu" uniqKey="Li H" first="Huiyu" last="Li">Huiyu Li</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, 26 Hexing Road, Harbin 150040, China. huiyuli1978@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, 26 Hexing Road, Harbin 150040</wicri:regionArea><wicri:noRegion>Harbin 150040</wicri:noRegion></affiliation></author></analytic><series><title level="j">International journal of molecular sciences</title><idno type="eISSN">1422-0067</idno><imprint><date when="2019" type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Gene Expression Regulation, Enzymologic (genetics)</term><term>Gene Expression Regulation, Plant (genetics)</term><term>Gibberellins (genetics)</term><term>Indoleacetic Acids (metabolism)</term><term>Organ Specificity (genetics)</term><term>Phloem (genetics)</term><term>Plant Growth Regulators (genetics)</term><term>Populus (genetics)</term><term>Seedlings (genetics)</term><term>Wood (genetics)</term><term>Xylem (genetics)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Acides indolacétiques (métabolisme)</term><term>Bois (génétique)</term><term>Facteur de croissance végétal (génétique)</term><term>Gibbérellines (génétique)</term><term>Phloème (génétique)</term><term>Plant (génétique)</term><term>Populus (génétique)</term><term>Régulation de l'expression des gènes codant pour des enzymes (génétique)</term><term>Régulation de l'expression des gènes végétaux (génétique)</term><term>Spécificité d'organe (génétique)</term><term>Xylème (génétique)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Gibberellins</term><term>Plant Growth Regulators</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Gene Expression Regulation, Enzymologic</term><term>Gene Expression Regulation, Plant</term><term>Organ Specificity</term><term>Phloem</term><term>Populus</term><term>Seedlings</term><term>Wood</term><term>Xylem</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Bois</term><term>Facteur de croissance végétal</term><term>Gibbérellines</term><term>Phloème</term><term>Plant</term><term>Populus</term><term>Régulation de l'expression des gènes codant pour des enzymes</term><term>Régulation de l'expression des gènes végétaux</term><term>Spécificité d'organe</term><term>Xylème</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Indoleacetic Acids</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Acides indolacétiques</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Although phytohormones are known to be important signal molecules involved in wood formation, their roles are still largely unclear. Here, <i>Populus simonii</i> × <i>P. nigra</i> seedlings were treated with different concentrations of exogenous phytohormones, indole-3-acetic acid (IAA), gibberellin (GA₃), and brassinosteroid (BR), and the effects of phytohormones on growth were investigated. Next, 27 genes with known roles in wood formation were selected for qPCR analysis to determine tissue-specificity and timing of responses to phytohormone treatments. Compared to the control, most IAA, GA₃, and BR concentrations significantly increased seedling height. Meanwhile, IAA induced significant seedling stem diameter and cellulose content increases that peaked at 3 and 30 mg·L<sup>-1</sup>, respectively. Significant increase in cellulose content was also observed in seedlings treated with 100 mg·L<sup>-1</sup> GA₃. Neither stem diameter nor cellulose content of seedlings were affected by BR treatment significantly, although slight effects were observed. Anatomical measurements demonstrated improved xylem, but not phloem, development in IAA- and BR-treated seedlings. Most gene expression patterns induced by IAA, GA₃, and BR differed among tissues. Many IAA response genes were also regulated by GA₃, while BR-induced transcription was weaker and slower in <i>Populus</i> than for IAA and GA₃. These results reveal the roles played by phytohormones in plant growth and lay the foundation for exploring molecular regulatory mechanisms of wood formation in <i>Populus</i>.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">30759868</PMID><DateCompleted><Year>2019</Year><Month>06</Month><Day>03</Day></DateCompleted><DateRevised><Year>2020</Year><Month>02</Month><Day>25</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">1422-0067</ISSN><JournalIssue CitedMedium="Internet"><Volume>20</Volume><Issue>3</Issue><PubDate><Year>2019</Year><Month>Feb</Month><Day>12</Day></PubDate></JournalIssue><Title>International journal of molecular sciences</Title><ISOAbbreviation>Int J Mol Sci</ISOAbbreviation></Journal><ArticleTitle>Exogenous Application of Phytohormones Promotes Growth and Regulates Expression of Wood Formation-Related Genes in <i>Populus simonii</i> × <i>P. nigra</i>.</ArticleTitle><ELocationID EIdType="pii" ValidYN="Y">E792</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.3390/ijms20030792</ELocationID><Abstract><AbstractText>Although phytohormones are known to be important signal molecules involved in wood formation, their roles are still largely unclear. Here, <i>Populus simonii</i> × <i>P. nigra</i> seedlings were treated with different concentrations of exogenous phytohormones, indole-3-acetic acid (IAA), gibberellin (GA₃), and brassinosteroid (BR), and the effects of phytohormones on growth were investigated. Next, 27 genes with known roles in wood formation were selected for qPCR analysis to determine tissue-specificity and timing of responses to phytohormone treatments. Compared to the control, most IAA, GA₃, and BR concentrations significantly increased seedling height. Meanwhile, IAA induced significant seedling stem diameter and cellulose content increases that peaked at 3 and 30 mg·L<sup>-1</sup>, respectively. Significant increase in cellulose content was also observed in seedlings treated with 100 mg·L<sup>-1</sup> GA₃. Neither stem diameter nor cellulose content of seedlings were affected by BR treatment significantly, although slight effects were observed. Anatomical measurements demonstrated improved xylem, but not phloem, development in IAA- and BR-treated seedlings. Most gene expression patterns induced by IAA, GA₃, and BR differed among tissues. Many IAA response genes were also regulated by GA₃, while BR-induced transcription was weaker and slower in <i>Populus</i> than for IAA and GA₃. These results reveal the roles played by phytohormones in plant growth and lay the foundation for exploring molecular regulatory mechanisms of wood formation in <i>Populus</i>.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Yuan</LastName><ForeName>Hongmei</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Heilongjiang Academy of Agricultural Sciences Postdoctoral Programme, 368 Xuefu Road, Harbin 150086, China. yuanhm1979@163.com.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. yuanhm1979@163.com.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, 26 Hexing Road, Harbin 150040, China. yuanhm1979@163.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhao</LastName><ForeName>Lijuan</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>Heilongjiang Academy of Agricultural Sciences Postdoctoral Programme, 368 Xuefu Road, Harbin 150086, China. zhangliguohemp@163.com.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Crop Breeding Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China; zlj-110@163.com. zhangliguohemp@163.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Guo</LastName><ForeName>Wendong</ForeName><Initials>W</Initials><AffiliationInfo><Affiliation>Institute of Natural Resources and Ecology, Heilongjiang Academy of Sciences, 103 Haping Road, Harbin 150040, China. guowendong988@163.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yu</LastName><ForeName>Ying</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. yuying_1981_0451@163.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Tao</LastName><ForeName>Lei</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>College of Life Science, Northeast Forestry University, 26 Hexing Road, Harbin 150040, China. taolei2003-01@163.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Liguo</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>Heilongjiang Academy of Agricultural Sciences Postdoctoral Programme, 368 Xuefu Road, Harbin 150086, China. zhangliguohemp@163.com.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. zhangliguohemp@163.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Song</LastName><ForeName>Xixia</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. jjzwyjs@163.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Huang</LastName><ForeName>Wengong</ForeName><Initials>W</Initials><AffiliationInfo><Affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. huangwengong1736@163.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Cheng</LastName><ForeName>Lili</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. chenglili_i@163.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Chen</LastName><ForeName>Jing</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. ccyj15@163.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Guan</LastName><ForeName>Fengzhi</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. guanfengzhiflax@163.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wu</LastName><ForeName>Guangwen</ForeName><Initials>G</Initials><AffiliationInfo><Affiliation>Industrial Crops Institute, Heilongjiang Academy of Agricultural Sciences, 368 Xuefu Road, Harbin 150086, China. zlg2015@neau.edu.cn.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Huiyu</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, 26 Hexing Road, Harbin 150040, China. huiyuli1978@163.com.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><GrantID>201203</GrantID><Agency>State Key Laboratory of Tree Genetics and Breeding (Northeast Forestry University) Open Fund</Agency><Country></Country></Grant><Grant><GrantID>3170102238</GrantID><Agency>National Natural Science Foundation of China</Agency><Country></Country></Grant><Grant><GrantID>2014M560275</GrantID><Agency>China Postdoctoral Science Foundation</Agency><Country></Country></Grant><Grant><GrantID>201507-40</GrantID><Agency>Doctoral research start-up fund of Heilongjiang Academy of Agricultural Sciences</Agency><Country></Country></Grant><Grant><GrantID>CARS-19, CARS-19-S03</GrantID><Agency>National bast fiber research system of China</Agency><Country></Country></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2019</Year><Month>02</Month><Day>12</Day></ArticleDate></Article><MedlineJournalInfo><Country>Switzerland</Country><MedlineTA>Int J Mol Sci</MedlineTA><NlmUniqueID>101092791</NlmUniqueID><ISSNLinking>1422-0067</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005875">Gibberellins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D007210">Indoleacetic Acids</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010937">Plant Growth Regulators</NameOfSubstance></Chemical><Chemical><RegistryNumber>6U1S09C61L</RegistryNumber><NameOfSubstance UI="C030737">indoleacetic acid</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D015971" MajorTopicYN="N">Gene Expression Regulation, Enzymologic</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018506" MajorTopicYN="N">Gene Expression Regulation, Plant</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005875" MajorTopicYN="N">Gibberellins</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D007210" MajorTopicYN="N">Indoleacetic Acids</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009928" MajorTopicYN="N">Organ Specificity</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D052585" MajorTopicYN="N">Phloem</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010937" MajorTopicYN="N">Plant Growth Regulators</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D036226" MajorTopicYN="N">Seedlings</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014934" MajorTopicYN="N">Wood</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D052584" MajorTopicYN="N">Xylem</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Populus simonii × P. nigra</Keyword><Keyword MajorTopicYN="N">expression profiles</Keyword><Keyword MajorTopicYN="N">phytohormone</Keyword><Keyword MajorTopicYN="N">qPCR</Keyword><Keyword MajorTopicYN="N">wood formation related gene</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2019</Year><Month>01</Month><Day>13</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2019</Year><Month>02</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2019</Year><Month>02</Month><Day>11</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>2</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate 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W" first="Wendong" last="Guo">Wendong Guo</name><name sortKey="Huang, Wengong" sort="Huang, Wengong" uniqKey="Huang W" first="Wengong" last="Huang">Wengong Huang</name><name sortKey="Li, Huiyu" sort="Li, Huiyu" uniqKey="Li H" first="Huiyu" last="Li">Huiyu Li</name><name sortKey="Song, Xixia" sort="Song, Xixia" uniqKey="Song X" first="Xixia" last="Song">Xixia Song</name><name sortKey="Tao, Lei" sort="Tao, Lei" uniqKey="Tao L" first="Lei" last="Tao">Lei Tao</name><name sortKey="Wu, Guangwen" sort="Wu, Guangwen" uniqKey="Wu G" first="Guangwen" last="Wu">Guangwen Wu</name><name sortKey="Yu, Ying" sort="Yu, Ying" uniqKey="Yu Y" first="Ying" last="Yu">Ying Yu</name><name sortKey="Yuan, Hongmei" sort="Yuan, Hongmei" uniqKey="Yuan H" first="Hongmei" last="Yuan">Hongmei Yuan</name><name sortKey="Yuan, Hongmei" sort="Yuan, Hongmei" uniqKey="Yuan H" first="Hongmei" last="Yuan">Hongmei Yuan</name><name sortKey="Zhang, Liguo" sort="Zhang, Liguo" uniqKey="Zhang L" first="Liguo" last="Zhang">Liguo Zhang</name><name sortKey="Zhang, Liguo" sort="Zhang, Liguo" uniqKey="Zhang L" first="Liguo" last="Zhang">Liguo Zhang</name><name sortKey="Zhao, Lijuan" sort="Zhao, Lijuan" uniqKey="Zhao L" first="Lijuan" last="Zhao">Lijuan Zhao</name></country><country name="Oman"><noRegion><name sortKey="Zhao, Lijuan" sort="Zhao, Lijuan" uniqKey="Zhao L" first="Lijuan" last="Zhao">Lijuan Zhao</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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