Cloning and expression pattern of a novel microspore-specific gene encoding hypersensitive-induced response protein (LjHIR1) from the model legume, Lotus japonicus
2004
Hakozaki, H. (Iwate Univ., Morioka (Japan). Faculty of Agriculture) | Endo, M. | Masuko, H. | Park, J.I. | Ito, H. | Uchida, M. | Kamada, M. | Takahashi, H. | Higashitani, A. | Watanabe, M.
In order to understand the microspore and pollen development, recently, we have isolated a number of anther-specific genes in the model legume, Lotus japonicus. From these anther-specific genes, we identified one novel microspore-specific gene, LjImfb-c82. In order to determine the molecular characterization of LjImfb-c82, full-length cDNA clone was first isolated and sequenced. It encoded a protein of 286 amino acids (LjHIR1), which had sequence similarity to Hypersensitive-Induced Response like protein. LjHIR1 was specifically expressed in microspore on the in situ hybridization experiment. From the sequence similarity to prohibitin-domain protein, the LjHIR1 might be related to ion channel regulation in microspore development.
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