Transcriptomic insight into nitrogen uptake and metabolism of Populus simonii in response to drought and low nitrogen stresses.
Identifieur interne : 000C20 ( Main/Exploration ); précédent : 000C19; suivant : 000C21Transcriptomic insight into nitrogen uptake and metabolism of Populus simonii in response to drought and low nitrogen stresses.
Auteurs : Chunxia Zhang [République populaire de Chine] ; Sen Meng [République populaire de Chine] ; Mingjun Li [République populaire de Chine] ; Zhong Zhao [République populaire de Chine]Source :
- Tree physiology [ 1758-4469 ] ; 2018.
Descripteurs français
- KwdFr :
- MESH :
- déficit : Azote.
- génétique : Populus.
- métabolisme : Azote, Populus.
- Analyse de profil d'expression de gènes, Stress physiologique, Sécheresses, Transcriptome, Transport biologique.
English descriptors
- KwdEn :
- MESH :
- chemical , deficiency : Nitrogen.
- chemical , metabolism : Nitrogen.
- genetics : Populus.
- metabolism : Populus.
- Biological Transport, Droughts, Gene Expression Profiling, Stress, Physiological, Transcriptome.
Abstract
Understanding the regulation of plant responses to drought and low nitrogen (N) stresses is necessary to improve N use in water-limited lands, maintaining the sustainable and healthy development of ecosystems. In the present study, we investigated morphological, physiological and transcriptome changes in Populus simonii Carr. root responding to long-term drought and low N stresses. Both stresses resulted in lower net photosynthetic rates, chlorophyll content and total dry weight. Transcriptome analysis of fine roots identified 4642 genes that were differentially expressed in response to drought and/or low N stresses. Most ammonium transporters had high transcript abundances in response to drought and/or low N stress; meanwhile the ratio of ammonium to nitrate concentrations was increased under drought condition. Data of N uptakes and metabolism further supported that fine roots under drought stress increased ammonium uptake, and the aspartate-derived amino acid pathway might play a key role in tolerating drought stress in poplar roots. The large-scale dataset in this study presents a global view of the critical pathways involved in drought and low N stress. When linked with physiology and metabolomics data, these results provide new insights into the modulation of N uptake, metabolism and storage, and events within the N-related pathways for transportation, assimilation and amino acid metabolism.
DOI: 10.1093/treephys/tpy085
PubMed: 30099549
Affiliations:
Links toward previous steps (curation, corpus...)
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and low nitrogen stresses.</title><author><name sortKey="Zhang, Chunxia" sort="Zhang, Chunxia" uniqKey="Zhang C" first="Chunxia" last="Zhang">Chunxia Zhang</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling</wicri:regionArea><wicri:noRegion>Yangling</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>College of Forestry, Northwest A&F University, Yangling, Shaanxi Province, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Forestry, Northwest A&F University, Yangling, Shaanxi Province</wicri:regionArea><wicri:noRegion>Shaanxi 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(MeSH)</term><term>Transcriptome (MeSH)</term><term>Transport biologique (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="deficiency" xml:lang="en"><term>Nitrogen</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Nitrogen</term></keywords><keywords scheme="MESH" qualifier="déficit" xml:lang="fr"><term>Azote</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Azote</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biological Transport</term><term>Droughts</term><term>Gene Expression Profiling</term><term>Stress, Physiological</term><term>Transcriptome</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Analyse de profil d'expression de gènes</term><term>Stress physiologique</term><term>Sécheresses</term><term>Transcriptome</term><term>Transport biologique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Understanding the regulation of plant responses to drought and low nitrogen (N) stresses is necessary to improve N use in water-limited lands, maintaining the sustainable and healthy development of ecosystems. In the present study, we investigated morphological, physiological and transcriptome changes in Populus simonii Carr. root responding to long-term drought and low N stresses. Both stresses resulted in lower net photosynthetic rates, chlorophyll content and total dry weight. Transcriptome analysis of fine roots identified 4642 genes that were differentially expressed in response to drought and/or low N stresses. Most ammonium transporters had high transcript abundances in response to drought and/or low N stress; meanwhile the ratio of ammonium to nitrate concentrations was increased under drought condition. Data of N uptakes and metabolism further supported that fine roots under drought stress increased ammonium uptake, and the aspartate-derived amino acid pathway might play a key role in tolerating drought stress in poplar roots. The large-scale dataset in this study presents a global view of the critical pathways involved in drought and low N stress. When linked with physiology and metabolomics data, these results provide new insights into the modulation of N uptake, metabolism and storage, and events within the N-related pathways for transportation, assimilation and amino acid metabolism.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">30099549</PMID><DateCompleted><Year>2019</Year><Month>02</Month><Day>25</Day></DateCompleted><DateRevised><Year>2019</Year><Month>02</Month><Day>25</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1758-4469</ISSN><JournalIssue CitedMedium="Internet"><Volume>38</Volume><Issue>11</Issue><PubDate><Year>2018</Year><Month>11</Month><Day>01</Day></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>Transcriptomic insight into nitrogen uptake and metabolism of Populus simonii in response to drought and low nitrogen stresses.</ArticleTitle><Pagination><MedlinePgn>1672-1684</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/treephys/tpy085</ELocationID><Abstract><AbstractText>Understanding the regulation of plant responses to drought and low nitrogen (N) stresses is necessary to improve N use in water-limited lands, maintaining the sustainable and healthy development of ecosystems. In the present study, we investigated morphological, physiological and transcriptome changes in Populus simonii Carr. root responding to long-term drought and low N stresses. Both stresses resulted in lower net photosynthetic rates, chlorophyll content and total dry weight. Transcriptome analysis of fine roots identified 4642 genes that were differentially expressed in response to drought and/or low N stresses. Most ammonium transporters had high transcript abundances in response to drought and/or low N stress; meanwhile the ratio of ammonium to nitrate concentrations was increased under drought condition. Data of N uptakes and metabolism further supported that fine roots under drought stress increased ammonium uptake, and the aspartate-derived amino acid pathway might play a key role in tolerating drought stress in poplar roots. The large-scale dataset in this study presents a global view of the critical pathways involved in drought and low N stress. When linked with physiology and metabolomics data, these results provide new insights into the modulation of N uptake, metabolism and storage, and events within the N-related pathways for transportation, assimilation and amino acid metabolism.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Chunxia</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>College of Forestry, Northwest A&F University, Yangling, Shaanxi Province, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Meng</LastName><ForeName>Sen</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>College of Forestry, Northwest A&F University, Yangling, Shaanxi Province, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Mingjun</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Crop Stress Biology for Arid Areas, College of Horticulture, Northwest A&F University, Yangling, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhao</LastName><ForeName>Zhong</ForeName><Initials>Z</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>College of Forestry, Northwest A&F University, Yangling, Shaanxi Province, China.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Canada</Country><MedlineTA>Tree Physiol</MedlineTA><NlmUniqueID>100955338</NlmUniqueID><ISSNLinking>0829-318X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001692" MajorTopicYN="N">Biological Transport</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055864" MajorTopicYN="Y">Droughts</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D020869" MajorTopicYN="N">Gene Expression Profiling</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000172" MajorTopicYN="N">deficiency</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013312" MajorTopicYN="N">Stress, Physiological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D059467" MajorTopicYN="Y">Transcriptome</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2018</Year><Month>03</Month><Day>07</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2018</Year><Month>07</Month><Day>16</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>8</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>2</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>8</Month><Day>13</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">30099549</ArticleId><ArticleId IdType="pii">5067535</ArticleId><ArticleId IdType="doi">10.1093/treephys/tpy085</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Zhang, Chunxia" sort="Zhang, Chunxia" uniqKey="Zhang C" first="Chunxia" last="Zhang">Chunxia Zhang</name></noRegion><name sortKey="Li, Mingjun" sort="Li, Mingjun" uniqKey="Li M" first="Mingjun" last="Li">Mingjun Li</name><name sortKey="Meng, Sen" sort="Meng, Sen" uniqKey="Meng S" first="Sen" last="Meng">Sen Meng</name><name sortKey="Zhang, Chunxia" sort="Zhang, Chunxia" uniqKey="Zhang C" first="Chunxia" last="Zhang">Chunxia Zhang</name><name sortKey="Zhao, Zhong" sort="Zhao, Zhong" uniqKey="Zhao Z" first="Zhong" last="Zhao">Zhong Zhao</name><name sortKey="Zhao, Zhong" sort="Zhao, Zhong" uniqKey="Zhao Z" first="Zhong" last="Zhao">Zhong Zhao</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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