Identification and sequence of a cDNA clone corresponding to a gene involved in development ofUndaria pinnatifida |
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Authors: | He-shen Hou Ning Li Chao-yuan Wu |
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Institution: | 1.Deparment of Biology, Liaoning Normal University, 116029, Dalian, China ;2.Department of Biology, The Hong Kong University of Science and Technology, Hong Kong ;3.Institute of Oceanology, Chinese Academy of Sciences, 266071, Qingdao, China ; |
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Abstract: | During the induction of gamete-producing gametangia, induced gametophytes were collected at 4 days intervals (0,4,8,12 d) and total RNAs were isolated by CsCl gradient ultracentrifugation. Some stage-specific expressed mRNAs were identified by differential display of mRNAs from different developing stages of the gametophytes. The cDNA of one specific mRNA was verified, cloned and sequenced. This gene was specifically expressed during 4 days of induction, and had partial homologous sequence with tobacco IAA-binding protein gene. It suggests that this cDNA may represent a gene which is related to the IAA regulating function during the development of the gametophytes. |
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