Molecular cloning and characterization of the global regulator LaeA in Penicillium citrinum

被引:18
作者
Xing, Wei [1 ]
Deng, Chao [2 ]
Hu, Chang-Hua [1 ,2 ]
机构
[1] Southwest Univ, Inst Modern Biopharmaceut, Sch Pharmaceut Sci, Chongqing 400716, Peoples R China
[2] Univ Wollongong, Sch Hlth Sci, Wollongong, NSW 2522, Australia
关键词
Cloning; Global regulator LaeA; Mevastatin; Penicillium citrinum; SECONDARY METABOLISM; GENE-CLUSTER; COMPACTIN; BINDING;
D O I
10.1007/s10529-010-0375-9
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
We have cloned and analysed a laeA gene (Pci-laeA) that may control mevastatin biosynthesis in Penicillium citrinum. The full-length Pci-laeA sequence is 1,340 bp with an ORF of 1,284 bp encoding 427 amino acids. It shows 95% identity with LaeA from P. chrysogenum. The predicted molecular mass of Pci-LaeA is 48.72 kDa with an estimated theoretical isoelectric point of 6.96. Pci-LaeA has a conserved S-adenosylmethionine binding site and a potential MlcR (a pathway specific regulator in mevastatin biosynthesis) binding site.
引用
收藏
页码:1733 / 1737
页数:5
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