文档介绍:Cloning, expression analysis, and sequence characters
of a MADs-box gene associated with floral
development in pineapple guava (Feijoa sellowiana
Berg.)
Chen Shenglin1, 2 Zhang Riqing1*, He Gongxiu1, Yuan Deyi1
1. College of Forestry, Central South University of Forestry 2. China Forestry Industry Association, Beijing, 100714,
and Technology, Changsha city, 410004, People's Republic of People's Republic of China
China (Email: hanszhangriqing@)
(Email: wangqirui3806@)
Abstract—In the ABC model, MADs-box proteins play an is required for petal and stamen initiation and development[2-4].
important role in floral development. As one of the MADs-box The AP3 and PI proteins interact together to produce a
proteins, PI behaves as B an-identity genes acting in heterodimer stabilizing both B-class proteins[5, 6]. The B-class
the second and third whorls of the flower to control petal and heterodimer is necessary, not only for petal and stamen
stamen identity. To find genes involved in the floral transition of development, but may also play a role in establishing sex
pineapple guava, we cloned the full length cDNA encoding a determination in both monoecious and dioecious flowers[7].
MADs-box protein in Coolidge pineapple guava, using RT-PCR
and RACE (Rapid Amplification of cDNA Ends) strategy. The Pineapple guava (Feijoa sellowiana Berg.), a grea