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Circadian clock mutants in Arabidopsis identified by luciferase imaging

The cycling bioluminescence of Arabidopsis plants carrying a firefly luciferase fusion construct was used to identify mutant individuals with aberrant cycling patterns. Both long- and short-period mutants were recovered. A semidominant short-period mutation, timing of CAB expression (toc1), was mapp...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1995-02, Vol.267 (5201), p.1161-1163
Main Authors: Millar, A.J. (University of Virginia, Charlottesville, VA.), Carre, I.A, Strayer, C.A, Chua, N.H, Kay, S.A
Format: Article
Language:English
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Summary:The cycling bioluminescence of Arabidopsis plants carrying a firefly luciferase fusion construct was used to identify mutant individuals with aberrant cycling patterns. Both long- and short-period mutants were recovered. A semidominant short-period mutation, timing of CAB expression (toc1), was mapped to chromosome 5. The toc1 mutation shortens the period of two distinct circadian rhythms, the expression of chlorophyll a/b-binding protein (CAB) genes and the movements of primary leaves, although toc1 mutants do not show extensive pleiotropy for other phenotypes
ISSN:0036-8075
1095-9203
DOI:10.1126/science.7855595