Document Detail


microRNA, seeds, and Darwin?: diverse function of miRNA in seed biology and plant responses to stress.
MedLine Citation:
PMID:  20335408     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
microRNAs (miRNAs) are small, single-stranded RNAs that down-regulate target genes at the post-transcriptional level. miRNAs regulate target genes by guiding mRNA cleavage or by repressing translation. miRNAs play crucial roles in a broad range of developmental processes in plants. Multiple miRNAs are present in germinating seeds and seedlings of Arabidopsis, some of which are involved in the regulation of germination and seedling growth by plant hormones such as abscisic acid (ABA) and auxin. The involvement of miRNAs in ABA responses is not limited to the early stages of plant development but seems to be important for general stress responses throughout the plant life cycle. This Darwin review summarizes recent progress in miRNA research focusing on seed and stress biology, two topics which were of interest to Charles Darwin.
Authors:
Ruth C Martin; Po-Pu Liu; Natalya A Goloviznina; Hiroyuki Nonogaki
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Review     Date:  2010-03-24
Journal Detail:
Title:  Journal of experimental botany     Volume:  61     ISSN:  1460-2431     ISO Abbreviation:  J. Exp. Bot.     Publication Date:  2010 May 
Date Detail:
Created Date:  2010-05-31     Completed Date:  2010-08-17     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9882906     Medline TA:  J Exp Bot     Country:  England    
Other Details:
Languages:  eng     Pagination:  2229-34     Citation Subset:  IM    
Affiliation:
USDA-ARS, National Forage Seed Production Research Center, Corvallis, Oregon 97331, USA.
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MeSH Terms
Descriptor/Qualifier:
Abscisic Acid / metabolism
Animals
Arabidopsis / genetics,  growth & development,  physiology*
Birds
Evolution*
Gene Expression Regulation, Plant
MicroRNAs / genetics*,  metabolism
Seeds / genetics,  growth & development,  physiology
Stress, Physiological
Chemical
Reg. No./Substance:
0/MicroRNAs; 21293-29-8/Abscisic Acid

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