Journal of Genomics
Ivyspring International Publisher
Draft genome sequence of Actinomadura sp. K4S16 and elucidation of the nonthmicin biosynthetic pathway
Volume: 8
DOI 10.7150/jgen.44650

Actinomadura sp. K4S16 (=NBRC 110471) is a producer of a novel tetronate polyether compound nonthmicin. Here, we report the draft genome sequence of this strain together with features of the organism and assembly, annotation and analysis of the genome sequence. The 9.6 Mb genome of Actinomadura sp. K4S16 encoded 9,004 putative ORFs, of which 7,701 were assigned with COG categories. The genome contained four type-I polyketide synthase (PKS) gene clusters, two type-II PKS gene clusters, and three nonribosomal peptide synthetase (NRPS) gene clusters. Among the type-I PKS gene (t1pks) clusters, a large t1pks cluster was annotated to be responsible for nonthmicin synthesis based on bioinformatic analyses. We also performed feeding experiments using labeled precursors and propose the biosynthetic pathway of nonthmicin.

Keywords genome sequence of <i>Actinomadura</i> sp. K4S16 and elucidation of the nonthmicin biosynthetic pathway&author=Hisayuki Komaki,Enjuro Harunari,Natsuko Ichikawa,Akira Hosoyama,Moriyuki Hamada,Kannika Duangmal,Arinthip Thamchaipenet,Yasuhiro Igarashi,&keyword=Actinomadura,biosynthesis,nonthmicin,polyether,polyketide,tetronate,&subject=Research Paper,