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Titolo:
The fasciated ear2 gene encodes a leucine-rich repeat receptor-like protein that regulates shoot meristem proliferation in maize
Autore:
Taguchi-Shiobara, F; Yuan, Z; Hake, S; Jackson, D;
Indirizzi:
Cold Spring Harbor Lab, Cold Spring Harbor, NY 11724 USA Cold Spring Harbor Lab Cold Spring Harbor NY USA 11724 rbor, NY 11724 USA
Titolo Testata:
GENES & DEVELOPMENT
fascicolo: 20, volume: 15, anno: 2001,
pagine: 2755 - 2766
SICI:
0890-9369(20011015)15:20<2755:TFEGEA>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
DISEASE RESISTANCE GENES; OF-FUNCTION MUTATIONS; STEM-CELL FATE; APICAL MERISTEM; HOMEOBOX GENE; ARABIDOPSIS-THALIANA; FLORAL MERISTEM; SIGNAL-TRANSDUCTION; VEGETATIVE SHOOT; KINASE;
Keywords:
meristem; stem cells; fasciation; leucine-rich repeat; inflorescence; morphogenesis;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
70
Recensione:
Indirizzi per estratti:
Indirizzo: Jackson, D Cold Spring Harbor Lab, POB 100, Cold Spring Harbor, NY 11724 USA Cold Spring Harbor Lab POB 100 Cold Spring Harbor NY USA 11724
Citazione:
F. Taguchi-Shiobara et al., "The fasciated ear2 gene encodes a leucine-rich repeat receptor-like protein that regulates shoot meristem proliferation in maize", GENE DEV, 15(20), 2001, pp. 2755-2766

Abstract

The ability to initiate organs throughout the lifecycle is a unique feature of plant development that is executed by groups of stem cells called meristems. The balance between stem cell proliferation and organ initiation is carefully regulated and ensures that organs can be initiated in regular geometric patterns. To understand how this regulation is achieved, we isolateda novel mutant of maize, fasciated ear2 (fea2), which causes a massive overproliferation of the ear inflorescence meristem and a more modest effect on floral meristem size and organ number. We cloned the fea2 gene using transposon tagging, and it encodes a membrane localized leucine-rich repeat receptor-like protein that is most closely related to CLAVATA2 from Arabidopsis. These findings provide evidence that the CLAVATA pathway for regulation of meristem size is functionally conserved throughout the angiosperms. A possible connection of fea2 to the control of crop yields is discussed.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 07/07/20 alle ore 06:17:29