Biochemical, physiological and gene expression analysis reveals sex-specific differences in Populus tomentosa floral development.
Identifieur interne : 002349 ( Main/Exploration ); précédent : 002348; suivant : 002350Biochemical, physiological and gene expression analysis reveals sex-specific differences in Populus tomentosa floral development.
Auteurs : Yuepeng Song [République populaire de Chine] ; Kaifeng Ma ; Dong Ci ; Zhiyi Zhang ; Deqiang ZhangSource :
- Physiologia plantarum [ 1399-3054 ] ; 2014.
Descripteurs français
- KwdFr :
- Antioxydants (métabolisme), Calcium (métabolisme), Caractères sexuels (MeSH), Fleurs (croissance et développement), Fleurs (génétique), Métabolisme glucidique (MeSH), Populus (croissance et développement), Populus (génétique), Populus (métabolisme), Protéines végétales (génétique), Protéines végétales (métabolisme), Régulation de l'expression des gènes végétaux (MeSH), Température (MeSH).
- MESH :
- croissance et développement : Fleurs, Populus.
- génétique : Fleurs, Populus, Protéines végétales.
- métabolisme : Antioxydants, Calcium, Populus, Protéines végétales.
- Caractères sexuels, Métabolisme glucidique, Régulation de l'expression des gènes végétaux, Température.
English descriptors
- KwdEn :
- Antioxidants (metabolism), Calcium (metabolism), Carbohydrate Metabolism (MeSH), Flowers (genetics), Flowers (growth & development), Gene Expression Regulation, Plant (MeSH), Plant Proteins (genetics), Plant Proteins (metabolism), Populus (genetics), Populus (growth & development), Populus (metabolism), Sex Characteristics (MeSH), Temperature (MeSH).
- MESH :
- chemical , genetics : Plant Proteins.
- chemical , metabolism : Antioxidants, Calcium, Plant Proteins.
- genetics : Flowers, Populus.
- growth & development : Flowers, Populus.
- metabolism : Populus.
- Carbohydrate Metabolism, Gene Expression Regulation, Plant, Sex Characteristics, Temperature.
Abstract
The productivity, distribution and population structure of poplar are affected by temperature transitions. Poplar floral buds develop in a fluctuating environment and the molecular basis of temperature-dependent flowering regulation has been extensively studied, but little is known about how sex-specific floral bud development responds to temperature transitions. Here, morphological observations indicated that floral bud growth rates were affected by maximum and minimum air temperature at the later stages of enlargement (stage 4) and later stage of dormancy (stage 8), respectively. We investigated the physiological, biochemical and gene expression changes in floral development and in response to temperature treatment (heat and chilling stress). Male floral buds showed more adverse effects than female floral buds under temperature treatment. Temperature treatment experiments revealed that temperature treatment significantly increased catalase, peroxidase, superoxide dismutase activities and transcription of related genes in female floral buds, whereas malondialdehyde (MDA) significantly increased only in males. Soluble sugars and protein increased both in female and male floral buds but were higher in males. Temperature treatment also caused significant increases in Ca(2+) content and transcription of genes related to calcium transport in female flowers. These results revealed sex-specific floral developmental responses to seasonal temperature transitions and suggest that in Populus tomentosa, female floral buds possess better mechanisms for environment adaptation than do males.
DOI: 10.1111/ppl.12078
PubMed: 23773142
Affiliations:
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R. China; Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, College of Biological Sciences and Technology, Beijing Forestry University, Beijing , 100083, P. R. China.</nlm:affiliation><country xml:lang="fr" wicri:curation="lc">République populaire de Chine</country><wicri:regionArea>National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing , 100083, P. R. 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Poplar floral buds develop in a fluctuating environment and the molecular basis of temperature-dependent flowering regulation has been extensively studied, but little is known about how sex-specific floral bud development responds to temperature transitions. Here, morphological observations indicated that floral bud growth rates were affected by maximum and minimum air temperature at the later stages of enlargement (stage 4) and later stage of dormancy (stage 8), respectively. We investigated the physiological, biochemical and gene expression changes in floral development and in response to temperature treatment (heat and chilling stress). Male floral buds showed more adverse effects than female floral buds under temperature treatment. Temperature treatment experiments revealed that temperature treatment significantly increased catalase, peroxidase, superoxide dismutase activities and transcription of related genes in female floral buds, whereas malondialdehyde (MDA) significantly increased only in males. Soluble sugars and protein increased both in female and male floral buds but were higher in males. Temperature treatment also caused significant increases in Ca(2+) content and transcription of genes related to calcium transport in female flowers. These results revealed sex-specific floral developmental responses to seasonal temperature transitions and suggest that in Populus tomentosa, female floral buds possess better mechanisms for environment adaptation than do males. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">23773142</PMID><DateCompleted><Year>2014</Year><Month>08</Month><Day>25</Day></DateCompleted><DateRevised><Year>2013</Year><Month>12</Month><Day>17</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1399-3054</ISSN><JournalIssue CitedMedium="Internet"><Volume>150</Volume><Issue>1</Issue><PubDate><Year>2014</Year><Month>Jan</Month></PubDate></JournalIssue><Title>Physiologia plantarum</Title><ISOAbbreviation>Physiol Plant</ISOAbbreviation></Journal><ArticleTitle>Biochemical, physiological and gene expression analysis reveals sex-specific differences in Populus tomentosa floral development.</ArticleTitle><Pagination><MedlinePgn>18-31</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/ppl.12078</ELocationID><Abstract><AbstractText>The productivity, distribution and population structure of poplar are affected by temperature transitions. Poplar floral buds develop in a fluctuating environment and the molecular basis of temperature-dependent flowering regulation has been extensively studied, but little is known about how sex-specific floral bud development responds to temperature transitions. Here, morphological observations indicated that floral bud growth rates were affected by maximum and minimum air temperature at the later stages of enlargement (stage 4) and later stage of dormancy (stage 8), respectively. We investigated the physiological, biochemical and gene expression changes in floral development and in response to temperature treatment (heat and chilling stress). Male floral buds showed more adverse effects than female floral buds under temperature treatment. Temperature treatment experiments revealed that temperature treatment significantly increased catalase, peroxidase, superoxide dismutase activities and transcription of related genes in female floral buds, whereas malondialdehyde (MDA) significantly increased only in males. Soluble sugars and protein increased both in female and male floral buds but were higher in males. Temperature treatment also caused significant increases in Ca(2+) content and transcription of genes related to calcium transport in female flowers. These results revealed sex-specific floral developmental responses to seasonal temperature transitions and suggest that in Populus tomentosa, female floral buds possess better mechanisms for environment adaptation than do males. </AbstractText><CopyrightInformation>© 2013 Scandinavian Plant Physiology Society.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Song</LastName><ForeName>Yuepeng</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Technology, Beijing Forestry University, Beijing , 100083, P. R. China; Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, College of Biological Sciences and Technology, Beijing Forestry University, Beijing , 100083, P. R. China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ma</LastName><ForeName>Kaifeng</ForeName><Initials>K</Initials></Author><Author ValidYN="Y"><LastName>Ci</LastName><ForeName>Dong</ForeName><Initials>D</Initials></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Zhiyi</ForeName><Initials>Z</Initials></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Deqiang</ForeName><Initials>D</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2013</Year><Month>07</Month><Day>17</Day></ArticleDate></Article><MedlineJournalInfo><Country>Denmark</Country><MedlineTA>Physiol Plant</MedlineTA><NlmUniqueID>1256322</NlmUniqueID><ISSNLinking>0031-9317</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000975">Antioxidants</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance></Chemical><Chemical><RegistryNumber>SY7Q814VUP</RegistryNumber><NameOfSubstance UI="D002118">Calcium</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000975" MajorTopicYN="N">Antioxidants</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002118" MajorTopicYN="N">Calcium</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D050260" MajorTopicYN="N">Carbohydrate Metabolism</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D035264" MajorTopicYN="N">Flowers</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018506" MajorTopicYN="Y">Gene Expression Regulation, Plant</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010940" MajorTopicYN="N">Plant Proteins</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012727" MajorTopicYN="N">Sex Characteristics</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013696" MajorTopicYN="Y">Temperature</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2013</Year><Month>02</Month><Day>02</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2013</Year><Month>05</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2013</Year><Month>05</Month><Day>02</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>6</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>6</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>8</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">23773142</ArticleId><ArticleId IdType="doi">10.1111/ppl.12078</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><noCountry><name sortKey="Ci, Dong" sort="Ci, Dong" uniqKey="Ci D" first="Dong" last="Ci">Dong Ci</name><name sortKey="Ma, Kaifeng" sort="Ma, Kaifeng" uniqKey="Ma K" first="Kaifeng" last="Ma">Kaifeng Ma</name><name sortKey="Zhang, Deqiang" sort="Zhang, Deqiang" uniqKey="Zhang D" first="Deqiang" last="Zhang">Deqiang Zhang</name><name sortKey="Zhang, Zhiyi" sort="Zhang, Zhiyi" uniqKey="Zhang Z" first="Zhiyi" last="Zhang">Zhiyi Zhang</name></noCountry><country name="République populaire de Chine"><noRegion><name sortKey="Song, Yuepeng" sort="Song, Yuepeng" uniqKey="Song Y" first="Yuepeng" last="Song">Yuepeng Song</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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