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- Title
Nature of the ligand bound to uncoupling CSP310 protein.
- Authors
Kolesnichenko, A.; Tauson, E.; Zykova, V.; Klimenko, E.; Grabel’nykh, O.; Pobezhimova, T.
- Abstract
It was shown that, in preparations of winter rye (Secale cerealeL.) and winter wheat (Triticum aestivumL.), in proteins immunochemically related to a cold shock protein CSP310, and also in purified CSP310 from winter rye and triticale (TriticosecaleX.), nucleic acid was present. Treatments with DNase and RNase showed that this nucleic acid was RNA. This protein-bound RNA was detected in the preparation of constitutively synthesized but not stress-induced protein. Stress-induced CSP310 bound high-molecular RNAin vitroat both 26 and 0°C, but it did not bind DNA. The data obtained permit an assumption that, during low-temperature stress, constitutively synthesized CSP310 with a low uncoupling capacity releases RNA and transits to a stress-induced form with a high uncoupling capacity.
- Subjects
WHEAT; WINTER grain; WINTER rye; PROTEINS; ENZYMES; RNA
- Publication
Russian Journal of Plant Physiology, 2005, Vol 52, Issue 2, p189
- ISSN
1021-4437
- Publication type
Article
- DOI
10.1007/s11183-005-0028-3