期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 315, 期 2, 页码 306-312出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2004.01.054
关键词
bioluminescence; chronobiology; dinoflagellate; photosynthesis; proteomics; TCA cycle
The dinoflagellate Lingulodinium polyedrum shows circadian expression of proteins. Analysis of the expression profile of ca. 900 proteins (pI range 5-8; MW 22,000-120,000) by chronological proteornics in 12:12 h light dark ('day-night') cycles revealed 28 with quantitative circadian changes. The patterns were classified into three types: Phase 1 ('evening'), Phase 2 ('night'), and Phase 3 ('midnight'). Peptide mass fingerprinting identified luciferin-binding protein in Phase 2 and two components of the tricarboxylic acid cycle in Phases 1 and 2. Thus, rhythmicity appears to be related to physiological states and to control the metabolic pathway in L. polyedrum. (C) 2004 Elsevier Inc. All rights reserved.
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