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Titolo:
CikA, a bacteriophytochrome that resets the cyanobacterial circadian clock
Autore:
Schmitz, O; Katayama, M; Williams, SB; Kondo, T; Golden, SS;
Indirizzi:
Texas A&M Univ, Dept Biol, College Stn, TX 77843 USA Texas A&M Univ College Stn TX USA 77843 t Biol, College Stn, TX 77843 USA Nagoya Univ, Grad Sch Sci, Div Biol Sci, Chikusa Ku, Nagoya, Aichi 4648602, Japan Nagoya Univ Nagoya Aichi Japan 4648602 a Ku, Nagoya, Aichi 4648602, Japan
Titolo Testata:
SCIENCE
fascicolo: 5480, volume: 289, anno: 2000,
pagine: 765 - 768
SICI:
0036-8075(20000804)289:5480<765:CABTRT>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
GENE-EXPRESSION; PHYTOCHROME; SYSTEM; TRANSCRIPTION; ARABIDOPSIS; PROKARYOTES; SEQUENCES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Physical, Chemical & Earth Sciences
Citazioni:
33
Recensione:
Indirizzi per estratti:
Indirizzo: Golden, SS Texas A&M Univ, Dept Biol, College Stn, TX 77843 USA Texas A&M Univ College Stn TX USA 77843 lege Stn, TX 77843 USA
Citazione:
O. Schmitz et al., "CikA, a bacteriophytochrome that resets the cyanobacterial circadian clock", SCIENCE, 289(5480), 2000, pp. 765-768

Abstract

The circadian oscillator of the cyanobacterium Synechococcus elongatus, Like those in eukaryotes, is entrained by environmental cues. Inactivation ofthe gene cikA (circadian input kinase) shortens the circadian period of gene expression rhythms in S. elongatus by approximately 2 hours, changes thephasing of a subset of rhythms, and nearly abolishes resetting of phase bya pulse of darkness. The CikA protein sequence reveals that it is a divergent bacterio-phytochrome with characteristic histidine protein kinase motifs and a cryptic response regulator motif. CikA is Likely a key component ofa pathway that provides environmental input to the circadian oscillator inS. elongatus.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/11/20 alle ore 00:57:46