TAILIEUCHUNG - báo cáo khoa học: " Light has a specific role in modulating Arabidopsis gene expression at low temperature"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Light has a specific role in modulating Arabidopsis gene expression at low temperature | BMC Plant Biology BioMed Central Research article Open Access Light has a specific role in modulating Arabidopsis gene expression at low temperature Arto J Soitamo Mirva Piippo Yagut Allahverdiyeva Natalia Battchikova and Eva-Mari Aro Address University of Turku Department of Biology Plant Physiology and Molecular Biology Tykistokatu 6 BioCity A 6th floor FIN-20520 Turku Finland Email Arto J Soitamo - artsoi@ Mirva Piippo - Yagut Allahverdiyeva - Natalia Battchikova - natbat@ Eva-Mari Aro - evaaro@ Corresponding author Published 29 January 2008 Received 9 March 2007 BMC Plant Biology 2008 8 13 doi 1471-2229-8-13 Accepted 29 January 2008 This article is available from http 1471-2229 8 1 3 2008 Soitamo et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background Light and temperature are the key abiotic modulators of plant gene expression. In the present work the effect of light under low temperature treatment was analyzed by using microarrays. Specific attention was paid to the up and down regulated genes by using promoter analysis. This approach revealed putative regulatory networks of transcription factors behind the induction or repression of the genes. Results Induction of a few oxidative stress related genes occurred only under the Cold Light treatment including genes encoding iron superoxide dismutase FeSOD and glutathione-dependent hydrogen peroxide peroxidases GPX . The ascorbate dependent water-water cycle genes showed no response to Cold Light or Cold Dark treatments. Cold Light specifically induced genes encoding protective molecules like phenylpropanoids and photosynthesis-related carotenoids also involved

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