OrangerV1, France, Analysis, bibRecord, 000108

Proteomic analysis of the effects of ABA treatments on ripening Vitis vinifera berries

Identifieur interne : 000108 ( France/Analysis ); précédent : 000107; suivant : 000109

Proteomic analysis of the effects of ABA treatments on ripening Vitis vinifera berries

Auteurs : Marzia Giribaldi [Italie] ; Laurence Gny [France] ; Serge Delrot [France] ; Andrea Schubert [Italie]

Source :

Journal of Experimental Botany [ 0022-0957 ] ; 2010-05.

RBID : ISTEX:4967C003FCB29830221A517AEAAD6545FC1DDD22

Abstract

The control of ripening of the non-climacteric grapevine fruit is still a matter of debate, but several lines of evidence point to an important role for the hormone abscisic acid (ABA). The effects of ABA treatments on Cabernet Sauvignon berries before and at vraison were studied using a 2-DE proteomic approach. Proteins from whole deseeded berries (before vraison) and berry flesh and skin (at vraison) treated with 0.76 mM ABA and collected 24 h after treatment were separated and analysed. A total of 60 protein spots showed significant variations between treated and control berries, and 40 proteins, mainly related to general metabolism and cell defence, were identified by LC MS/MS. Our results show that ABA acts mainly through the regulation of mostly the same proteins which are involved in the ripening process, and that several of these changes share common elements with the ABA-induced responses in vegetative tissues.

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DOI: 10.1093/jxb/erq079

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ISTEX:4967C003FCB29830221A517AEAAD6545FC1DDD22

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<front><div type="abstract">The control of ripening of the non-climacteric grapevine fruit is still a matter of debate, but several lines of evidence point to an important role for the hormone abscisic acid (ABA). The effects of ABA treatments on Cabernet Sauvignon berries before and at vraison were studied using a 2-DE proteomic approach. Proteins from whole deseeded berries (before vraison) and berry flesh and skin (at vraison) treated with 0.76 mM ABA and collected 24 h after treatment were separated and analysed. A total of 60 protein spots showed significant variations between treated and control berries, and 40 proteins, mainly related to general metabolism and cell defence, were identified by LC MS/MS. Our results show that ABA acts mainly through the regulation of mostly the same proteins which are involved in the ripening process, and that several of these changes share common elements with the ABA-induced responses in vegetative tissues.</div>
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Proteomic analysis of the effects of ABA treatments on ripening Vitis vinifera berries

Proteomic analysis of the effects of ABA treatments on ripening Vitis vinifera berries

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