Journal
PLANT MOLECULAR BIOLOGY REPORTER
Volume 28, Issue 4, Pages 684-691Publisher
SPRINGER
DOI: 10.1007/s11105-010-0193-1
Keywords
Lilium longiflorum; B functional gene; PISTILLATA; GLOBOSA
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Funding
- National Natural Science Foundation of China [30700444, 30972407]
- Jiangsu Provincial Key Basic Research foundation for Universities [07KJA21019]
- Shanghai Science and Technology Committee [07ZR14008]
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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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