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WBC27,an Adenosine Tri-phosphate-binding Cassette Protein,Controls Pollen Wall Formation and Patterning in Arabidopsis |
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| Authors: | Xiao-Ying Dou Ke-Zhen Yang Yi Zhang Wei Wang Xiao-Lei Liu Li-Qun Chen Xue-Qin Zhang De Ye State Key Laboratory of Plant Physiology Biochemistry College of Biological Sciences China Agricultural University Beijing China Key Laboratory of Biotechnology Crop Quality Improvement Ministry of Agriculture Southwest University Chongqing China |
| Institution: | Xiao-Ying Dou1,Ke-Zhen Yang1,Yi Zhang2,Wei Wang1,Xiao-Lei Liu1,Li-Qun Chen1,Xue-Qin Zhang1 and De Ye1 1State Key Laboratory of Plant Physiology and Biochemistry,College of Biological Sciences,China Agricultural University,Beijing 100193,China 2Key Laboratory of Biotechnology and Crop Quality Improvement,Ministry of Agriculture,Southwest University,Chongqing 400716,China |
| Abstract: | In flowering plants,the exine components are derived from tapetum.Despite its importance to sexual plant reproduction,little is known about the translocation of exine materials from tapetum to developing microspores.Here we report functional characterization of the arabidopsis WBC27 gene.WBC27 encodes an adenosine tri-phosphate binding cassette(ABC) transporter and is expressed preferentially in tapetum.Mutation of WBC27 disrupted the exine formation.The wbc27 mutant microspores began to degenerate once rel... |
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