Vitis Flower Sex Specification Acts Downstream and Independently of the ABCDE Model Genes.

ABSTRACT: The most discriminating characteristic between the cultivated Vitis vinifera subsp. vinifera and the wild-form Vitis vinifera subsp. sylvestris is their sexual system. Flowers of cultivars are mainly hermaphroditic, whereas wild plants have female and male individuals whose flowers follow a hermaphroditic pattern during early stages of development and later develop non-functional reproductive organs. In angiosperms, the basic developmental system for floral organ identity is explained by the ABCDE model. This model postulates that regulatory gene functions work in a combinatorial way to confer organ identity in each whorl. In wild Vitis nothing is known about the function and expression profile of these genes. Here we show an overall view of the temporal

SUBMITTER: Coito JL 

PROVIDER: S-EPMC6055017 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature