Enhanced fitness conferred by naturally occurring variation in the circadian clock

被引：359

作者：

Michael, TP

Salomé, PA

Yu, HJ

Spencer, TR

Sharp, EL

McPeek, MA

Alonso, JM

Ecker, JR

McClung, CR ^{[1
]}

机构：

[1] Dartmouth Coll, Dept Biol Sci, Hanover, NH 03755 USA

[2] Salk Inst Biol Studies, Plant Biol Lab, La Jolla, CA 92037 USA

来源：

SCIENCE | 2003年 / 302卷 / 5647期

关键词：

D O I：

10.1126/science.1082971

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Natural variation in clock parameters is necessary for the circadian clock to contribute to organismal fitness over a broad geographic range. Considerable variation is evident in the period, phase, and amplitude of 150 Arabidopsis accessions, and the period length is correlated with the day length at the latitude of origin, implying the adaptive significance of correctly regulated circadian timing. Quantitative trait loci analysis of recombinant inbred lines indicates that multiple loci interact to determine period, phase, and amplitude. The loss-of-function analysis of each member of the ARABIDOPSIS PSEUDO-RESPONSE REGULATOR family suggests that they are candidates for clock quantitative trait loci.

引用

页码：1049 / 1053

页数：5

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