Nakamura R L, McKendree W L, Hirsch R E, Sedbrook J C, Gaber R F, Sussman M R
Department of Biochemistry, Northwestern University, Evanston, Illinois 60208, USA.
Plant Physiol. 1995 Oct;109(2):371-4. doi: 10.1104/pp.109.2.371.
The Arabidopsis thaliana KAT1 cDNA encodes a voltage-gated inward-rectifying K+ channel. A KAT1 genomic DNA clone was isolated and sequenced, and a 5' promoter and coding sequences containing eight introns were identified. Reporter gene analysis of transgenic plants containing the KAT1 promoter fused to bacterial beta-glucuronidase showed robust beta-glucuronidase activity primarily in guard cells.
拟南芥KAT1 cDNA编码一种电压门控内向整流钾离子通道。分离并测序了一个KAT1基因组DNA克隆,鉴定出一个5'启动子和包含8个内含子的编码序列。对含有与细菌β-葡萄糖醛酸酶融合的KAT1启动子的转基因植物进行报告基因分析,结果显示β-葡萄糖醛酸酶活性主要在保卫细胞中表现强烈。