A B Functional Gene Cloned from Lily Encodes an Ortholog of Arabidopsis PISTILLATA (PI) |
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| Authors: | Xiaoping Wu Jisen Shi Mengli Xi Zewei Luo Xiaohua Hu |
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| Affiliation: | (1) Laboratory of Population and Quantitative Genetics, the State Key Laboratory of Genetic Engineering, Institute of Biostatistics, School of Life Sciences, Fudan University, Shanghai, 200433, People’s Republic of China;(2) The Key Laboratory of Forest Genetics and Biotechnology of the Ministry of Education, Nanjing Forestry University, Nanjing, 210037, People’s Republic of China; |
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| Abstract: | The classical ABC model proposed for flower development in Arabidopsis and Antirrhinum appropriately sheds light on the biological process of flower development and differentiation and serves in manipulating the floral structure of other important ornamental plants. In this study, LLGLO1, a B functional gene from Lilium longiflorum was isolated and characterized. RT-PCR analysis elucidated that temporal and spatial expression pattern of LLGLO1. This putative gene was strongly expressed in 1, 2, and 3 whorl organs, i.e., outer whorl tepals, inner whorl tepals, and stamens. Genetic effect of LLGLO1 was assayed by ectopic expression in model plant Arabidopsis. Transformed plants showed homeotic transformation of sepals into petaloid sepals in the first whorl, which is similar to the transgenic plants of 35S::PI. So LLGLO1 was one member of GLO/PI sub-family gene to function in flower development. |
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