Light-dependent expression of the cold-regulated gene HvMC1 in barley (Hordeum vulgare l.) |
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| Affiliation: | 1. Department of Bioengineering, University of California – Los Angeles, 410 Westwood Plaza, Los Angeles, CA 90095, USA;2. Center for Minimally Invasive Therapeutics (C-MIT), California NanoSystems Institute (CNSI), University of California – Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, USA;3. Department of Radiological Sciences, David Geffen School of Medicine, University of California – Los Angeles, 10833 Le Conte Ave, Los Angeles, CA 90095, USA;4. Department of Chemical and Biomolecular Engineering, University of California – Los Angeles, 5531 Boelter Hall, Los Angeles, CA 90095, USA;5. Department of Bioindustrial Technologies, College of Animal Bioscience and Technology, Konkuk University, Seoul 143-701, Republic of Korea;1. Office of Health and Safety, Hokkaido University, Sapporo 060-0808, Japan;1. Genetics and Plant Breeding Program, School of Plant Sciences, Haramaya University, Haramaya, Ethiopia;2. Department of Plant Pathology, Kansas State University, Manhattan, KS, United States;3. Department of Microbial Cellular and Molecular Biology, Addis Ababa University, Addis Ababa, Ethiopia |
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| Abstract: | Genes induced in barley leaves during a combined cold and light stress were identified by RFDD-PCR. One gene, HvMC1, exhibits three conserved domains typical for mitochondrial carrier proteins. HvMC1 is transiently expressed during the combined cold and light stress. Drought stress and methylviologen treatment result in only very weak induction. In contrast, light intensity greatly affects the cold-dependent expression of HvMC1. A possible regulatory pathway involving chloroplast-derived signals for the expression of HvMC1 is discussed. |
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