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Titolo:
Patterns and symmetries in leaf development
Autore:
Pozzi, C; Rossini, L; Agosti, F;
Indirizzi:
Ctr Ric & Studi Agroalimentari, CERSA, FPTP, I-20133 Milan, Italy Ctr Ric & Studi Agroalimentari Milan Italy I-20133 I-20133 Milan, Italy Univ Milan, Dept Plant Prod DiProVe, I-20133 Milan, Italy Univ Milan Milan Italy I-20133 Plant Prod DiProVe, I-20133 Milan, Italy
Titolo Testata:
SEMINARS IN CELL & DEVELOPMENTAL BIOLOGY
fascicolo: 5, volume: 12, anno: 2001,
pagine: 363 - 372
SICI:
1084-9521(200110)12:5<363:PASILD>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
HOMEOBOX GENE; MAIZE LEAF; ECTOPIC EXPRESSION; COMPOUND LEAF; LATERAL ORGANS; ROUGH SHEATH2; ZINC-FINGER; CELL FATE; ARABIDOPSIS; TOMATO;
Keywords:
domain boundaries; lemma development; pattern; symmetries; leaf complexity;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
71
Recensione:
Indirizzi per estratti:
Indirizzo: Pozzi, C Ctr Ric & Studi Agroalimentari, CERSA, FPTP, C-O DiProVe Via Celoria 2, I-20133 Milan, Italy Ctr Ric & Studi Agroalimentari C-O DiProVe Via Celoria 2 Milan Italy I-20133
Citazione:
C. Pozzi et al., "Patterns and symmetries in leaf development", SEM CELL D, 12(5), 2001, pp. 363-372

Abstract

The leaf is a coordinated mosaic of developmental domains, which are evident from leaf inception on the flanks of the apical meristem. The subdivision of the meristem into molecularly defined domains is regulated by the interactions of a number of gene products and by receptor kinase-mediated signals. The acquisition of symmetry axes in. the emerging leaf is a process coordinated by hormones (such as auxin and cytokinins) and the expression of classes of genes (such. as the knox and the ARP, as 1/rs2/phan, genes). As with simple leaves, the architecture of compound leaves is defined by spatial/temporal gradients of regulatory gene functions: complexity results from the interplay between leaf differentiation processes and genes maintaining a partial level of indeterminacy in the developing primordium. Boundaries between regions with different molecular addresses' are considered, in plants as in Drosophila, as organizing centres for lateral organ development.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/01/20 alle ore 10:47:12