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Differential Expression Pattern Of MADS Box Genes in Floral Whorls of Garcinia indica
Reshma V Patil,Kiran D Pawar 한국작물학회 2019 Journal of crop science and biotechnology Vol.22 No.4
Flower formation is one of the main developmental stages in thelife cycle of flowering plantsthat can be used as a model systemto elucidate the molecular mechanics that control the developmental process in plants. In the present study, we investigated the floral homeotic and MADS box genes in the polygamadioecious tree Garcinia indica. The differential gene expressions of floral homeotic and MADS box genes in male, female, bisexual flowers, and floral organs such as sepal, petal, stamen, and carpel were studied by employing quantitative real-time, PCR-based assays. Of ninedifferentially expressed floral genes of the MADS box class, AGL11, the master control gene of ovule identity was found to be expressed 2-fold higher in female carpel whereas theribosome protein involved in ovule development showed 2x106-fold high expression in the female carpel. The hierarchical clustering grouped these genes into fourmajor clusters:cluster I comprised AGL11, AG, and PMADS2, cluster II comprised AP3 and AGL9, cluster III comprised SEP1 and ELFB, and cluster IV comprised AG pathway and ribosome protein. The clustering found was correlated with the quantitative and qualitative expression of genes.