Light has a specific role in modulating Arabidopsis gene expression at low temperature



: Soitamo AJ, Piippo M, Allahverdiyeva Y, Battchikova N, Aro EM

Publisher: BIOMED CENTRAL LTD

: 2008

 BMC Plant Biology

: BMC PLANT BIOLOGY

: BMC PLANT BIOL

: ARTN 13

: 8

: 20

: 1471-2229

DOI: https://doi.org/10.1186/1471-2229-8-13


Conclusion: Cold/Light up regulated twice as many genes as the Cold/Dark treatment and only the combination of light and low temperature enhanced the expression of several genes earlier described as cold-responsive genes. Cold/Light-induced genes included both cold-responsive transcription factors and several novel ones containing zinc-finger, MYB, NAC and AP2 domains. These are likely to function in concert in enhancing gene expression. Similar response elements were found in the promoter regions of both the transcription factors and their target genes implying a possible parallel regulation or amplification of the environmental signals according to the metabolic/redox state in the cells.



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