Assimilate movement dictates remote sites of wound-induced gene expression in poplar leaves.
Identifieur interne : 004C66 ( Main/Exploration ); précédent : 004C65; suivant : 004C67Assimilate movement dictates remote sites of wound-induced gene expression in poplar leaves.
Auteurs : J M Davis [États-Unis] ; M P Gordon ; B A SmitSource :
- Proceedings of the National Academy of Sciences of the United States of America [ 0027-8424 ] ; 1991.
Abstract
When a single leaf on a young poplar tree is mechanically wounded, wound-induced (win) mRNAs are detected in the unwounded portion of that leaf and in specific leaves that are remote from the wounded leaf. Shortly after wounding (6-8 hr), the remote leaves in which win genes are expressed can be predicted by a knowledge of photoassimilate movement patterns in vivo. When assimilate movement from a wounded leaf is blocked or the direction of assimilate movement is altered by shading, win gene expression in remote leaves is similarly blocked or altered. These data illustrate how the long-distance transduction of wound-induced signals can be manipulated in plants by altering carbon allocation.
DOI: 10.1073/pnas.88.6.2393
PubMed: 11607168
PubMed Central: PMC51238
Affiliations:
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Shortly after wounding (6-8 hr), the remote leaves in which win genes are expressed can be predicted by a knowledge of photoassimilate movement patterns in vivo. When assimilate movement from a wounded leaf is blocked or the direction of assimilate movement is altered by shading, win gene expression in remote leaves is similarly blocked or altered. These data illustrate how the long-distance transduction of wound-induced signals can be manipulated in plants by altering carbon allocation.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">11607168</PMID><DateCompleted><Year>2001</Year><Month>12</Month><Day>28</Day></DateCompleted><DateRevised><Year>2019</Year><Month>05</Month><Day>01</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0027-8424</ISSN><JournalIssue CitedMedium="Print"><Volume>88</Volume><Issue>6</Issue><PubDate><Year>1991</Year><Month>Mar</Month><Day>15</Day></PubDate></JournalIssue><Title>Proceedings of the National Academy of Sciences of the United States of America</Title><ISOAbbreviation>Proc Natl Acad Sci U S A</ISOAbbreviation></Journal><ArticleTitle>Assimilate movement dictates remote sites of wound-induced gene expression in poplar leaves.</ArticleTitle><Pagination><MedlinePgn>2393-6</MedlinePgn></Pagination><Abstract><AbstractText>When a single leaf on a young poplar tree is mechanically wounded, wound-induced (win) mRNAs are detected in the unwounded portion of that leaf and in specific leaves that are remote from the wounded leaf. Shortly after wounding (6-8 hr), the remote leaves in which win genes are expressed can be predicted by a knowledge of photoassimilate movement patterns in vivo. When assimilate movement from a wounded leaf is blocked or the direction of assimilate movement is altered by shading, win gene expression in remote leaves is similarly blocked or altered. 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