Počet záznamů: 1
Cytokinin-induced VvTFL1A expression may be involved in the control of grapevine fruitfulness
0365275 - UEB-Q 2012 RIV DE eng J - Článek v odborném periodiku
Crane, O. - Halaly, T. - Pang, X. - Lavee, S. - Perl, A. - Vaňková, Radomíra - Or, E.
Cytokinin-induced VvTFL1A expression may be involved in the control of grapevine fruitfulness.
Planta. Roč. 235, č. 1 (2012), s. 181-192 ISSN 0032-0935
Výzkumný záměr: CEZ:AV0Z50380511
Klíčová slova: Cytokinin * Floral development * Fruitfulness
Kód oboru RIV: ED - Fyziologie
Impakt faktor: 3.347, rok: 2012
Grapevine bud fruitfulness is determined by the differentiation of uncommitted meristem (UCM) into either tendril or inflorescence. Since tendril and inflorescence differentiation have long been considered sequential steps in inflorescence development, factors that control the progression of floral meristem development may regulate the final outcome of UCM differentiation, and thus affect fruitfulness. A comparison of the expression profiles of the master regulators of floral meristem identity (FMI) during development of fruitful and non-fruitful buds along the same cane allowed associating the expression of a homolog of terminal flower 1 (TFL1, a negative regulator of FMI) to fruitful buds, and the expression of positive FMI regulators to non-fruitful buds. Combined with (a) cytokinin-induced upregulation of VvTFL1A expression in cultured tendrils, which accompanied cytokinin-derived tendril transformation into branched, inflorescence-like structures.
Trvalý link: http://hdl.handle.net/11104/0200558
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