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Antimicrobial properties of the novel bacterial isolate Paenibacilllus sp. SMB1 from a halo-alkaline lake in India.

DIR@IMTECH: CSIR-Institute of Microbial Technology

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Title Antimicrobial properties of the novel bacterial isolate Paenibacilllus sp. SMB1 from a halo-alkaline lake in India.
 
Creator Singh, Harjodh
Kaur, Manpreet
Jangra, Manoj
Mishra, Sunita
Nandanwar, Hemraj
Pinnaka, Anil Kumar
 
Subject QR Microbiology
 
Description Antibiotic-resistance is ever growing burden on our society for the past many years. Many synthetic chemistry approaches and rational drug-design have been unable to pace up and tackle this problem. Natural resources, more specifically, the microbial diversity, on the other hand, make a traditional and still the best platform to search for new chemical scaffolds and compounds. Here, we report the antimicrobial characteristics of novel bacterial isolate from a salt lake in India. We screened the bacterial isolates for their inhibitory activity against indicator bacteria and found that four novel species were able to prevent the growth of test strains studied in vitro. Further, we characterized one novel species (SMB1 = SL4-2) using polyphasic taxonomic approaches and also purified the active ingredient from this bacterium. We successfully characterized the antimicrobial compound using mass spectroscopy and amino acid analysis. We also allocated two novel biosynthetic gene clusters for putative bacteriocins and one novel non-ribosomal peptide gene cluster in its whole genome. We concluded that the strain SMB1 belonged to the genus Paenibacilllus with the pairwise sequence similarity of 98.67% with Paenibacillus tarimensis DSM 19409 and we proposed the name Paenibacillus sambharensis sp. nov. The type strain is SMB1 (=MTCC 12884 = KCTC 33895).
 
Publisher Nature Publishing Group
 
Date 2019-08-09
 
Type Article
PeerReviewed
 
Relation https://www.nature.com/articles/s41598-019-47879-x
http://crdd.osdd.net/open/2493/
 
Identifier Singh, Harjodh and Kaur, Manpreet and Jangra, Manoj and Mishra, Sunita and Nandanwar, Hemraj and Pinnaka, Anil Kumar (2019) Antimicrobial properties of the novel bacterial isolate Paenibacilllus sp. SMB1 from a halo-alkaline lake in India. Scientific reports, 9 (1). p. 11561. ISSN 2045-2322