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Genetics and Genomics Commons

Open Access. Powered by Scholars. Published by Universities.®

Genomics

University of Massachusetts Amherst

2005

Articles 1 - 2 of 2

Full-Text Articles in Genetics and Genomics

Vernalization Sensitivity In Arabidopsis Thaliana (Brassicaceae): The Effects Of Latitude And Flc Variation, Ana Lucia Caicedo, M. D. Purugganan, C. Mays, R. Hopkins, J. R. Stinchcombe, J. Schmitt, J. R. Stichcombe Jan 2005

Vernalization Sensitivity In Arabidopsis Thaliana (Brassicaceae): The Effects Of Latitude And Flc Variation, Ana Lucia Caicedo, M. D. Purugganan, C. Mays, R. Hopkins, J. R. Stinchcombe, J. Schmitt, J. R. Stichcombe

Ana Lucia Caicedo

Latitudinal variation in climate is predicted to select for latitudinal differentiation in sensitivity to the environmental cues that signal plants to flower at the appropriate time for a given climate. In Arabidopsis thaliana, flowering is promoted by exposure to cold temperatures (vernalization), and several vernalization pathway loci are known. To test whether natural variation in vernalization sensitivity could account for a previously observed latitudinal cline in flowering time in A. thaliana, we exposed 21 European accessions to 0, 10, 20, or 30 d of vernalization and observed leaf number at flowering under short days in a growth chamber. We observed …


Comparative Plant Genomics. Frontiers And Prospects, Ana Lucia Caicedo, M. D. Purugganan Jan 2005

Comparative Plant Genomics. Frontiers And Prospects, Ana Lucia Caicedo, M. D. Purugganan

Ana Lucia Caicedo

No abstract provided.