Evidence map›Paper›PMID 39478480›Full record

ArticleBMC genomics2024

Reclassification of the first Bacillus tropicus phage calls for reclassification of other Bacillus temperate phages previously designated as plasmids.

Ridwaan Nazeer Milase, Johnson Lin, Nontobeko E Mvubu, Nokulunga Hlengwa

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Article in BMC genomics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Ridwaan Nazeer MilaseDiscipline of Microbiology, School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal (Westville Campus), Private Bag X54001, Durban, 4000, Republic of South Africa. r.n.milase@gmail.com.
Johnson LinDiscipline of Microbiology, School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal (Westville Campus), Private Bag X54001, Durban, 4000, Republic of South Africa.
Nontobeko E MvubuMedical Microbiology, School of Laboratory Medicine and Medical Sciences, College of Health Science, Medical School, University of KwaZulu Natal, Private Bag X54001, Durban, 4000, South Africa.
Nokulunga HlengwaDepartment of Biochemistry and Microbiology, University of Zululand, KwaDlangezwa, 3886, South Africa.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Bacillus tropicus is a recently identified subspecies of the Bacillus cereus group of bacteria that have been shown to possess genes associated with antimicrobial resistance (AMR) and identified as the causative agent for anthrax-like disease in Chinese soft-shelled turtles. In addition, B. tropicus has demonstrated great potential in the fields of bioremediation and bioconversion. This article describes the comparative genomics of a Bacillus phage vB_Btc-RBClinn15 (referred to as RBClin15) infecting the recently identified B. tropicus AOA-CPS1. RBClin15 is a temperate phage with a putative parABS partitioning system as well as an arbitrium system, which are presumed to enable extrachromosomal genome maintenance and regulate the lysis/lysogeny switch, respectively. The temperate phage RBClin15 has been sequenced however, was erroneously deposited as a plasmid in the NCBI GenBank database. A BLASTn search against the GenBank database using the whole genome sequence of RBClin15 revealed seven other putative temperate phages that were also deposited as plasmids in the database. Comparative genomic analyses shows that RBClin15 shares between 87 and 92% average nucleotide identity (ANI) with the seven temperate phages from the GenBank database. All together RBClin15 and the seven putative temperate phages share common genome arrangements and < 29% protein homologs with the closest phages, including 0105phi7-2. A phylogenomic tree and proteome-based phylogenetic tree analysis showed that RBClin15 and the seven temperate phages formed a separate branch from the closest phage, 0105phi7-2. In addition, the intergenomic similarity between RBClin15 and its closely related phages ranged between 0.3 and 47.7%. Collectively, based on the phylogenetic, and comparative genomic analyses, we propose three new species which will include RBClin15 and the seven temperate phages in the newly proposed genus Theosmithvirus under Caudoviricetes.

Indexed as

BacillusBacillus PhagesGenome, ViralGenomicsPhylogenyPlasmidsBacillus tropicusBacteriophageGenomicsSpeciesTheosmithvirusvB_Btc-RBClin15

Identifiers

PMID39478480
PMCPMC11526630

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