Open AccessCarpeloidy in flower evolution and diversification: a comparative study in Carica papaya and Arabidopsis thaliana
Author(s) -
Louis Ronse De Craene,
Christophe Tréhin,
P. Morel,
Ioan Negrutiu
Publication year - 2011
Publication title -
annals of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.567
H-Index - 176
eISSN - 1095-8290
pISSN - 0305-7364
DOI - 10.1093/aob/mcr087
Subject(s) - gynoecium , biology , stamen , carica , arabidopsis thaliana , botany , arabidopsis , actinidia , ovule , locule , pollen , mutant , genetics , gene
Bisexual flowers of Carica papaya range from highly regular flowers to morphs with various fusions of stamens to the ovary. Arabidopsis thaliana sup1 mutants have carpels replaced by chimeric carpel-stamen structures. Comparative analysis of stamen to carpel conversions in the two different plant systems was used to understand the stage and origin of carpeloidy when derived from stamen tissues, and consequently to understand how carpeloidy contributes to innovations in flower evolution.
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