Article
Enhanced fitness conferred by naturally occurring variation in the circadian clock.
Science (New York, N.Y.) - 7 Nov 2003
Michael Todd P, Salomé Patrice A, Yu Hannah J, Spencer Taylor R, Sharp Emily L, McPeek Mark A, Alonso Jose M, Ecker Joseph R, McClung C Robertson
Abstract excerpt
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...
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