A conserved molecular basis for photoperiod adaptation in two temperate legumes

Publication Overview
TitleA conserved molecular basis for photoperiod adaptation in two temperate legumes
AuthorsWeller JL, Liew LC, Hecht VF, Rajandran V, Laurie RE, Ridge S, Wenden B, Vander Schoor JK, Jaminon O, Blassiau C, Dalmais M, Rameau C, Bendahmane A, Macknight RC, Lejeune-Hénaut I
TypeJournal Article
Journal NameProceedings of the National Academy of Sciences of the United States of America
Volume109
Issue51
Year2012
Page(s)21158-63
CitationWeller JL, Liew LC, Hecht VF, Rajandran V, Laurie RE, Ridge S, Wenden B, Vander Schoor JK, Jaminon O, Blassiau C, Dalmais M, Rameau C, Bendahmane A, Macknight RC, Lejeune-Hénaut I. A conserved molecular basis for photoperiod adaptation in two temperate legumes. Proceedings of the National Academy of Sciences of the United States of America. 2012 Dec 18; 109(51):21158-63.

Abstract

Legumes were among the first plant species to be domesticated, and accompanied cereals in expansion of agriculture from the Fertile Crescent into diverse environments across the Mediterranean basin, Europe, Central Asia, and the Indian subcontinent. Although several recent studies have outlined the molecular basis for domestication and eco-geographic adaptation in the two main cereals from this region, wheat and barley, similar questions remain largely unexplored in their legume counterparts. Here we identify two major loci controlling differences in photoperiod response between wild and domesticated pea, and show that one of these, high response to photoperiod (HR), is an ortholog of early flowering 3 (ELF3), a gene involved in circadian clock function. We found that a significant proportion of flowering time variation in global pea germplasm is controlled by HR, with a single, widespread functional variant conferring altered circadian rhythms and the reduced photoperiod response associated with the spring habit. We also present evidence that ELF3 has a similar role in lentil, another major legume crop, with a distinct functional variant contributing to reduced photoperiod response in cultivars widely deployed in short-season environments. Our results identify the factor likely to have permitted the successful prehistoric expansion of legume cultivation to Northern Europe, and define a conserved genetic basis for major adaptive changes in flowering phenology and growth habit in an important crop group.

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Pages

Projects
This publication contains information about 1 projects:
Project NameDescription
Pea-Photoperiod_Adaption-Weller-2012
Featuremaps
This publication contains information about 1 maps:
Map Name
pea-NGB5839xJI1794-F2
Properties
Additional details for this publication include:
Property NameValue
Publication ModelPrint-Electronic
ISSN1091-6490
eISSN1091-6490
Publication Date2012 Dec 18
Journal AbbreviationProc. Natl. Acad. Sci. U.S.A.
DOI10.1073/pnas.1207943110
Elocation10.1073/pnas.1207943110
LanguageEnglish
Language Abbreng
Publication TypeJournal Article
Journal CountryUnited States
Publication TypeResearch Support, Non-U.S. Gov't
Cross References
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DatabaseAccession
PMID: PubMedPMID:23213200