PMID: 30141884Nov 1, 2016Paper

Sequences of Landomycin E and Carotenoid Biosynthetic Gene Clusters, and Molecular Structure of Transcriptional Regulator of Streptomyces globisporus 1912

Mikrobiolohichnyĭ zhurnal. = Mikrobiologichny zhurnal
B P MatselyukhV Y Lavrenchuk

Abstract

Streptomyces globisporus 1912 and its derivatives 1912-2 and 1912-4Crt are the producers of the landomycin E, carotenoids and the regulator of antibiotics biosynthesis and morphogenesis of streptomycetes. The genome DNA of two mutant strains, 1912-2, the more effective producer of the landomycin E and the regulator, and 1912-4Crt, the producer of beta-carotene and lycopene, was sequenced by Illumina. Comparative analysis of the DNA sequences using GenBank data allowed localization of 36 landomycin E biosynthetic genes lnd of S. globisporus 1912 in one cluster. Twenty of these lnd genes have been sequenced for the first time. The new regulatory responce gene lndRR and the sensor kinase gene lndY1 were proposed as the members of the putative two-component system. High identity (94 – 95 %) was determined for the lnd genes of the 1912 strain and those of the metagenomic clone AZ97. Seven carotenoid biosynthetic genes crt of the strain 1912-4Crt were sequenced and localized in one cluster consisting of two convergent operons from 4 and 3 crt genes. High homology (93 %) of the crt gene clusters of S. globisporus 1912 and S. griseus IFO 13350 was shown. Two non-punctual repeats (NPRs) of 21 bp were identified in the sequence of crtY g...Continue Reading

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