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APETALA3/DEFICIENS and PISTILLATA/GLOBOSA Genes with Floral Development of Plant
Qiao-Ping Qin1,2,3, Tao Yin2, Jun-Wei Chen1, Ming Xie1*, Shang-Long Zhang2
1Institute of Horticulture, Zhejiang Academy of Agriculture Sciences, Hangzhou 310021, China;2Department of Horticulture, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310029, China;3School of For
Abstract: APETALA3(AP3)/DEFICIENS( DEF) and PISTILLATA (PI)/GLOBOSA(GLO) genes encode MADS domain-containing transcription factors and are required to specify petal and stamen identities in the flower. Mutations in these genes exhibit similar phenotypes in which the second whorl petals are transformed into sepals and the third-whorl stamens are transformed into carpels. Many AP3/DEF and PI/GLO genes have been isolated from a lot of species recently. AP3/DEF and PI/GLO are expressed only in flower tissues in Arabidopsis. However， AP3/DEF or PI/GLO genes are also transcribed in vascular bundles and leaves in other dicots， e.g. maize. Studies on the AP3/DEF and PI/GLO genes expression and evolution of phylogenetics are summarized in this article.
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