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Titolo:
GL3 encodes a bHLH protein that regulates trichome development in arabidopsis through interaction with GL1 and TTG1
Autore:
Payne, CT; Zhang, F; Lloyd, AM;
Indirizzi:
Univ Texas, Inst Mol & Cellular Biol, Austin, TX 78712 USA Univ Texas Austin TX USA 78712 Mol & Cellular Biol, Austin, TX 78712 USA
Titolo Testata:
GENETICS
fascicolo: 3, volume: 156, anno: 2000,
pagine: 1349 - 1362
SICI:
0016-6731(200011)156:3<1349:GEABPT>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
MAIZE R-GENE; TRANSCRIPTIONAL ACTIVATORS; ANTHOCYANIN PRODUCTION; NICOTIANA-TABACUM; REPEAT PROTEIN; LIGHT CONTROL; WD-REPEAT; THALIANA; EXPRESSION; LOCUS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
53
Recensione:
Indirizzi per estratti:
Indirizzo: Lloyd, AM Univ Texas, Inst Mol & Cellular Biol, MC A4800,2500 Speedway, Austin, TX 78712 USA Univ Texas MC A4800,2500 Speedway Austin TX USA 78712 78712 USA
Citazione:
C.T. Payne et al., "GL3 encodes a bHLH protein that regulates trichome development in arabidopsis through interaction with GL1 and TTG1", GENETICS, 156(3), 2000, pp. 1349-1362

Abstract

Arabidopsis trichome development and differentiation is a well-studied model for plant cell-fate determination and morphogenesis. Mutations in TRANSPARENT TESTA GLABRA1 (TTG1) result in several pleiotropic defects including an almost complete lack of trichomes. The complex phenotype caused by ttg1 mutations is suppressed by ectopic expression of the maize anthocyanin regulator R. Here it is demonstrated that the Arabidopsis trichome development locus GLABRA3 (GL3) encodes an R homolog. GL3 and GLABRA1 (GLI) interact when overexpressed together in plants. Yeast two-hybrid assays indicate that GL3 participates in physical interactions with GL1, TTG1, and itself, but that GL1 and TTG1 do not interact. These data suggest a reiterated combinatorial model for the differential regulation of such diverse developmental pathways as trichome cell-fate determination, root hair spacing, and anthocyanin secondary metabolism.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/01/21 alle ore 04:09:00