Interactions between the circadian clock and cold-response in Arabidopsis. Export

@article{citeulike:5696795, abstract = {Low temperature negatively affects plant growth and metabolism. Plant responses to cold involve massive transcriptional changes, and much effort has been made to identify these changes and their contribution to freezing tolerance. However, the influence of differences in environmental and developmental factors between experiments had not been investigated. We found that diurnal- and circadian-regulated genes are responsible for the majority of variation between experiments. Moreover, we demonstrated that the cyclic expression pattern of circadian clock components is affected by cold and that the cold induction of many transcription factors is dependent on the time of day. This means that genes identified so far as cold responsive are dependent on the time of day the experiment was performed and that paired diurnal controls are not sufficient to correct for this effect. Ongoing work to dissect the biological relevance of cold-diurnal regulatory interactions demonstrated that some circadian mutants have altered freezing tolerance but that time-of-day appears not to affect freezing tolerance.}, author = {Espinoza, Carmen and Bieniawska, Zuzanna and Hincha, Dirk K. and Hannah, Matthew A.}, citeulike-article-id = {5696795}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/19704808}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=19704808}, issn = {1559-2324}, journal = {Plant signaling \& behavior}, keywords = {circadian, clock, cold, freezing}, month = {August}, number = {8}, pages = {593--594}, posted-at = {2009-09-01 16:52:50}, priority = {2}, title = {Interactions between the circadian clock and cold-response in Arabidopsis.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/19704808}, volume = {3}, year = {2008} }

TY - JOUR ID - citeulike:5696795 L3 - citeulike-article-id:5696795 N2 - Low temperature negatively affects plant growth and metabolism. Plant responses to cold involve massive transcriptional changes, and much effort has been made to identify these changes and their contribution to freezing tolerance. However, the influence of differences in environmental and developmental factors between experiments had not been investigated. We found that diurnal- and circadian-regulated genes are responsible for the majority of variation between experiments. Moreover, we demonstrated that the cyclic expression pattern of circadian clock components is affected by cold and that the cold induction of many transcription factors is dependent on the time of day. This means that genes identified so far as cold responsive are dependent on the time of day the experiment was performed and that paired diurnal controls are not sufficient to correct for this effect. Ongoing work to dissect the biological relevance of cold-diurnal regulatory interactions demonstrated that some circadian mutants have altered freezing tolerance but that time-of-day appears not to affect freezing tolerance. IS - 8 JF - Plant signaling & behavior SN - 1559-2324 EP - 594 TI - Interactions between the circadian clock and cold-response in Arabidopsis. VL - 3 SP - 593 KW - circadian KW - clock KW - cold KW - freezing AU - Espinoza, Carmen AU - Bieniawska, Zuzanna AU - Hincha, Dirk AU - Hannah, Matthew PY - 2008/08// UR - http://view.ncbi.nlm.nih.gov/pubmed/19704808 ER -