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Moratti CF, Scott C, Coleman NV. Synthetic Biology Approaches to Hydrocarbon Biosensors: A Review. Front Bioeng Biotechnol 2022; 9:804234. [PMID: 35083206 PMCID: PMC8784404 DOI: 10.3389/fbioe.2021.804234] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 12/09/2021] [Indexed: 12/12/2022] Open
Abstract
Monooxygenases are a class of enzymes that facilitate the bacterial degradation of alkanes and alkenes. The regulatory components associated with monooxygenases are nature's own hydrocarbon sensors, and once functionally characterised, these components can be used to create rapid, inexpensive and sensitive biosensors for use in applications such as bioremediation and metabolic engineering. Many bacterial monooxygenases have been identified, yet the regulation of only a few of these have been investigated in detail. A wealth of genetic and functional diversity of regulatory enzymes and promoter elements still remains unexplored and unexploited, both in published genome sequences and in yet-to-be-cultured bacteria. In this review we examine in detail the current state of research on monooxygenase gene regulation, and on the development of transcription-factor-based microbial biosensors for detection of alkanes and alkenes. A new framework for the systematic characterisation of the underlying genetic components and for further development of biosensors is presented, and we identify focus areas that should be targeted to enable progression of more biosensor candidates to commercialisation and deployment in industry and in the environment.
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Affiliation(s)
- Claudia F. Moratti
- School of Life and Environmental Science, Faculty of Science, University of Sydney, Sydney, NSW, Australia
- CSIRO Synthetic Biology Future Science Platform, Canberra, ACT, Australia
| | - Colin Scott
- CSIRO Synthetic Biology Future Science Platform, Canberra, ACT, Australia
| | - Nicholas V. Coleman
- School of Life and Environmental Science, Faculty of Science, University of Sydney, Sydney, NSW, Australia
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Cortés-Albayay C, Sangal V, Klenk HP, Nouioui I. Comparative Genomic Study of Vinyl Chloride Cluster and Description of Novel Species, Mycolicibacterium vinylchloridicum sp. nov. Front Microbiol 2021; 12:767895. [PMID: 35003006 PMCID: PMC8727900 DOI: 10.3389/fmicb.2021.767895] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 11/16/2021] [Indexed: 11/30/2022] Open
Abstract
Advanced physicochemical and chemical absorption methods for chlorinated ethenes are feasible but incur high costs and leave traces of pollutants on the site. Biodegradation of such pollutants by anaerobic or aerobic bacteria is emerging as a potential alternative. Several mycobacteria including Mycolicibacterium aurum L1, Mycolicibacterium chubuense NBB4, Mycolicibacterium rhodesiae JS60, Mycolicibacterium rhodesiae NBB3 and Mycolicibacterium smegmatis JS623 have previously been described as assimilators of vinyl chloride (VC). In this study, we compared nucleotide sequence of VC cluster and performed a taxogenomic evaluation of these mycobacterial species. The results showed that the complete VC cluster was acquired by horizontal gene transfer and not intrinsic to the genus Mycobacterium sensu lato. These results also revealed the presence of an additional xcbF1 gene that seems to be involved in Coenzyme M biosynthesis, which is ultimately used in the VC degradation pathway. Furthermore, we suggest for the first time that S/N-Oxide reductase encoding gene was involved in the dissociation of the SsuABC transporters from the organosulfur, which play a crucial role in the Coenzyme M biosynthesis. Based on genomic data, M. aurum L1, M. chubuense NBB4, M. rhodesiae JS60, M. rhodesiae NBB3 and M. smegmatis JS623 were misclassified and form a novel species within the genus Mycobacterium sensu lato. Mycolicibacterium aurum L1T (CECT 8761T = DSM 6695T) was the subject of polyphasic taxonomic studies and showed ANI and dDDH values of 84.7 and 28.5% with its close phylogenetic neighbour, M. sphagni ATCC 33027T. Phenotypic, chemotaxonomic and genomic data considering strain L1T (CECT 8761T = DSM 6695T) as a type strain of novel species with the proposed name, Mycolicibacterium vinylchloridicum sp. nov.
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Affiliation(s)
- Carlos Cortés-Albayay
- Faculty of Science, School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Vartul Sangal
- Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne, United Kingdom
| | - Hans-Peter Klenk
- Faculty of Science, School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Imen Nouioui
- Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
- *Correspondence: Imen Nouioui,
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Fieweger RA, Wilburn KM, VanderVen BC. Comparing the Metabolic Capabilities of Bacteria in the Mycobacterium tuberculosis Complex. Microorganisms 2019; 7:E177. [PMID: 31216777 PMCID: PMC6617402 DOI: 10.3390/microorganisms7060177] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 06/10/2019] [Accepted: 06/15/2019] [Indexed: 02/06/2023] Open
Abstract
Pathogenic mycobacteria are known for their ability to maintain persistent infections in various mammals. The canonical pathogen in this genus is Mycobacterium tuberculosis and this bacterium is particularly successful at surviving and replicating within macrophages. Here, we will highlight the metabolic processes that M. tuberculosis employs during infection in macrophages and compare these findings with what is understood for other pathogens in the M. tuberculosis complex.
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Affiliation(s)
- Rachael A Fieweger
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14850, USA.
| | - Kaley M Wilburn
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14850, USA.
| | - Brian C VanderVen
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14850, USA.
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Behra PRK, Pettersson BMF, Das S, Dasgupta S, Kirsebom LA. Comparative genomics of Mycobacterium mucogenicum and Mycobacterium neoaurum clade members emphasizing tRNA and non-coding RNA. BMC Evol Biol 2019; 19:124. [PMID: 31215393 PMCID: PMC6582537 DOI: 10.1186/s12862-019-1447-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Accepted: 05/27/2019] [Indexed: 02/07/2023] Open
Abstract
Background Mycobacteria occupy various ecological niches and can be isolated from soil, tap water and ground water. Several cause diseases in humans and animals. To get deeper insight into our understanding of mycobacterial evolution focusing on tRNA and non-coding (nc)RNA, we conducted a comparative genome analysis of Mycobacterium mucogenicum (Mmuc) and Mycobacterium neoaurum (Mneo) clade members. Results Genome sizes for Mmuc- and Mneo-clade members vary between 5.4 and 6.5 Mbps with the complete MmucT (type strain) genome encompassing 6.1 Mbp. The number of tRNA genes range between 46 and 79 (including one pseudo tRNA gene) with 39 tRNA genes common among the members of these clades, while additional tRNA genes were probably acquired through horizontal gene transfer. Selected tRNAs and ncRNAs (RNase P RNA, tmRNA, 4.5S RNA, Ms1 RNA and 6C RNA) are expressed, and the levels for several of these are higher in stationary phase compared to exponentially growing cells. The rare tRNAIleTAT isoacceptor and two for mycobacteria novel ncRNAs: the Lactobacillales-derived GOLLD RNA and a homolog to the antisense Salmonella typhimurium phage Sar RNA, were shown to be present and expressed in certain Mmuc-clade members. Conclusions Phages, IS elements, horizontally transferred tRNA gene clusters, and phage-derived ncRNAs appears to have influenced the evolution of the Mmuc- and Mneo-clades. While the number of predicted coding sequences correlates with genome size, the number of tRNA coding genes does not. The majority of the tRNA genes in mycobacteria are transcribed mainly from single genes and the levels of certain ncRNAs, including RNase P RNA (essential for the processing of tRNAs), are higher at stationary phase compared to exponentially growing cells. We provide supporting evidence that Ms1 RNA represents a mycobacterial 6S RNA variant. The evolutionary routes for the ncRNAs RNase P RNA, tmRNA and Ms1 RNA are different from that of the core genes. Electronic supplementary material The online version of this article (10.1186/s12862-019-1447-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Phani Rama Krishna Behra
- Department of Cell and Molecular Biology, Biomedical Centre, Box 596, SE-751 24, Uppsala, Sweden
| | - B M Fredrik Pettersson
- Department of Cell and Molecular Biology, Biomedical Centre, Box 596, SE-751 24, Uppsala, Sweden
| | - Sarbashis Das
- Department of Cell and Molecular Biology, Biomedical Centre, Box 596, SE-751 24, Uppsala, Sweden
| | - Santanu Dasgupta
- Department of Cell and Molecular Biology, Biomedical Centre, Box 596, SE-751 24, Uppsala, Sweden
| | - Leif A Kirsebom
- Department of Cell and Molecular Biology, Biomedical Centre, Box 596, SE-751 24, Uppsala, Sweden.
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Luis BAL, Díaz-Lomelí P, Gómez-Albarrán LP, Martínez-Gamboa A, Ponce-de-León A. Mycobacterium obuense Bacteremia in a Patient with Pneumonia. Emerg Infect Dis 2019; 25:1015-1016. [PMID: 31002048 PMCID: PMC6478194 DOI: 10.3201/eid2505.180208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Mycobacterium obuense is a pigmented, rapidly growing mycobacterium. Because it has been considered nonpathogenic, M. obuense is being investigated in clinical trials of cancer immunotherapy and bioremediation. We report a case of bacteremia caused by M. obuense in a patient with pneumonia, showing its potential pathogenicity.
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Behra PRK, Das S, Pettersson BMF, Shirreff L, DuCote T, Jacobsson KG, Ennis DG, Kirsebom LA. Extended insight into the Mycobacterium chelonae-abscessus complex through whole genome sequencing of Mycobacterium salmoniphilum outbreak and Mycobacterium salmoniphilum-like strains. Sci Rep 2019; 9:4603. [PMID: 30872669 PMCID: PMC6418233 DOI: 10.1038/s41598-019-40922-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Accepted: 02/26/2019] [Indexed: 12/12/2022] Open
Abstract
Members of the Mycobacterium chelonae-abscessus complex (MCAC) are close to the mycobacterial ancestor and includes both human, animal and fish pathogens. We present the genomes of 14 members of this complex: the complete genomes of Mycobacterium salmoniphilum and Mycobacterium chelonae type strains, seven M. salmoniphilum isolates, and five M. salmoniphilum-like strains including strains isolated during an outbreak in an animal facility at Uppsala University. Average nucleotide identity (ANI) analysis and core gene phylogeny revealed that the M. salmoniphilum-like strains are variants of the human pathogen Mycobacterium franklinii and phylogenetically close to Mycobacterium abscessus. Our data further suggested that M. salmoniphilum separates into three branches named group I, II and III with the M. salmoniphilum type strain belonging to group II. Among predicted virulence factors, the presence of phospholipase C (plcC), which is a major virulence factor that makes M. abscessus highly cytotoxic to mouse macrophages, and that M. franklinii originally was isolated from infected humans make it plausible that the outbreak in the animal facility was caused by a M. salmoniphilum-like strain. Interestingly, M. salmoniphilum-like was isolated from tap water suggesting that it can be present in the environment. Moreover, we predicted the presence of mutational hotspots in the M. salmoniphilum isolates and 26% of these hotspots overlap with genes categorized as having roles in virulence, disease and defense. We also provide data about key genes involved in transcription and translation such as sigma factor, ribosomal protein and tRNA genes.
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Affiliation(s)
- Phani Rama Krishna Behra
- Department of Cell and Molecular Biology, Box 596, Biomedical Centre, SE-751 24, Uppsala, Sweden
| | - Sarbashis Das
- Department of Cell and Molecular Biology, Box 596, Biomedical Centre, SE-751 24, Uppsala, Sweden
| | - B M Fredrik Pettersson
- Department of Cell and Molecular Biology, Box 596, Biomedical Centre, SE-751 24, Uppsala, Sweden
| | - Lisa Shirreff
- Department of Biology, University of Louisiana, Lafayette, Louisiana, USA
| | - Tanner DuCote
- Department of Biology, University of Louisiana, Lafayette, Louisiana, USA
| | | | - Don G Ennis
- Department of Biology, University of Louisiana, Lafayette, Louisiana, USA
| | - Leif A Kirsebom
- Department of Cell and Molecular Biology, Box 596, Biomedical Centre, SE-751 24, Uppsala, Sweden.
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Draft Genome Sequence of Mycobacterium parafortuitum Strain P7335. Microbiol Resour Announc 2018; 7:MRA00950-18. [PMID: 30533921 PMCID: PMC6256513 DOI: 10.1128/mra.00950-18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 07/25/2018] [Indexed: 11/20/2022] Open
Abstract
Mycobacterium parafortuitum is a rapidly growing nontuberculous mycobacterium, initially isolated from soil in Japan. The 6,175,772-bp draft genome sequence of M. parafortuitum strain P7335 exhibits a G+C content of 68.4%, 5,783 protein-coding genes, and 66 predicted RNA genes, including 59 tRNA genes, 6 rRNA operons, and 1 transfer-messenger RNA. Mycobacterium parafortuitum is a rapidly growing nontuberculous mycobacterium, initially isolated from soil in Japan. The 6,175,772-bp draft genome sequence of M. parafortuitum strain P7335 exhibits a G+C content of 68.4%, 5,783 protein-coding genes, and 66 predicted RNA genes, including 59 tRNA genes, 6 rRNA operons, and 1 transfer-messenger RNA.
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Extensive genomic diversity among Mycobacterium marinum strains revealed by whole genome sequencing. Sci Rep 2018; 8:12040. [PMID: 30104693 PMCID: PMC6089878 DOI: 10.1038/s41598-018-30152-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 07/25/2018] [Indexed: 12/20/2022] Open
Abstract
Mycobacterium marinum is the causative agent for the tuberculosis-like disease mycobacteriosis in fish and skin lesions in humans. Ubiquitous in its geographical distribution, M. marinum is known to occupy diverse fish as hosts. However, information about its genomic diversity is limited. Here, we provide the genome sequences for 15 M. marinum strains isolated from infected humans and fish. Comparative genomic analysis of these and four available genomes of the M. marinum strains M, E11, MB2 and Europe reveal high genomic diversity among the strains, leading to the conclusion that M. marinum should be divided into two different clusters, the "M"- and the "Aronson"-type. We suggest that these two clusters should be considered to represent two M. marinum subspecies. Our data also show that the M. marinum pan-genome for both groups is open and expanding and we provide data showing high number of mutational hotspots in M. marinum relative to other mycobacteria such as Mycobacterium tuberculosis. This high genomic diversity might be related to the ability of M. marinum to occupy different ecological niches.
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Comprehensive profiling of functional attributes, virulence potential and evolutionary dynamics in mycobacterial secretomes. World J Microbiol Biotechnol 2017; 34:5. [DOI: 10.1007/s11274-017-2388-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 11/30/2017] [Indexed: 11/25/2022]
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Paniz-Mondolfi AE, Greninger AL, Ladutko L, Brown-Elliott BA, Vasireddy R, Jakubiec W, Vasireddy S, Wallace RJ, Simmon KE, Dunn BE, Jackoway G, Vora SB, Quinn KK, Qin X, Campbell S. Mycobacterium grossiae sp. nov., a rapidly growing, scotochromogenic species isolated from human clinical respiratory and blood culture specimens. Int J Syst Evol Microbiol 2017; 67:4345-4351. [PMID: 28984546 DOI: 10.1099/ijsem.0.002216] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A previously undescribed, rapidly growing, scotochromogenic species of the genus Mycobacterium (represented by strains PB739T and GK) was isolated from two clinical sources - the sputum of a 76-year-old patient with severe chronic obstructive pulmonary disease, history of tuberculosis exposure and Mycobacterium avium complex isolated years prior; and the blood of a 15-year-old male with B-cell acute lymphoblastic leukaemia status post bone marrow transplant. The isolates grew as dark orange colonies at 25-37 °C after 5 days, sharing features in common with other closely related species. Analysis of the complete 16S rRNA gene sequence (1492 bp) of strain PB739T demonstrated that the isolate shared 98.8 % relatedness with Mycobacterium wolinskyi. Partial 429 bp hsp65 and 744 bp rpoB region V sequence analyses revealed that the sequences of the novel isolate shared 94.8 and 92.1 % similarity with those of Mycobacterium neoaurum and Mycobacterium aurum, respectively. Biochemical profiling, antimicrobial susceptibility testing, HPLC/gas-liquid chromatography analyses and multilocus sequence typing support the taxonomic status of these isolates (PB739T and GK) as representatives of a novel species. Both isolates were susceptible to the Clinical and Laboratory Standards Institute recommended antimicrobials for susceptibility testing of rapidly growing mycobacteria including amikacin, ciprofloxacin, moxifloxacin, doxycycline/minocycline, imipenem, linezolid, clarithromycin and trimethropin/sulfamethoxazole. Both isolates PB739T and GK showed intermediate susceptibility to cefoxitin. We propose the name Mycobacterium grossiae sp. nov. for this novel species and have deposited the type strain in the DSMZ and CIP culture collections. The type strain is PB739T (=DSM 104744T=CIP 111318T).
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Affiliation(s)
| | | | - Lynn Ladutko
- Department of Pathology and Laboratory Medicine, VA Connecticut Healthcare, West Haven, CT, USA
| | - Barbara A Brown-Elliott
- Department of Microbiology, The University of Texas Health Science Center, Mycobacteria/Nocardia Laboratory, Tyler, TX, USA
| | - Ravikiran Vasireddy
- Department of Microbiology, The University of Texas Health Science Center, Mycobacteria/Nocardia Laboratory, Tyler, TX, USA
| | - Wesley Jakubiec
- Department of Pathology and Laboratory Medicine, VA Connecticut Healthcare, West Haven, CT, USA
| | - Sruthi Vasireddy
- Department of Microbiology, The University of Texas Health Science Center, Mycobacteria/Nocardia Laboratory, Tyler, TX, USA
| | - Richard J Wallace
- Department of Microbiology, The University of Texas Health Science Center, Mycobacteria/Nocardia Laboratory, Tyler, TX, USA
| | - Keith E Simmon
- Department of Biomedical Informatics, University of Utah, Salt Lake City, UT, USA
| | - Bruce E Dunn
- Pathology and Laboratory Medicine, Clement J. Zablocki VA Medical Center, Milwaukee, WI, USA
| | | | - Surabhi B Vora
- Pediatric Infectious Diseases, University of Washington, Seattle Children's Hospital, Seattle, WA, USA
| | - Kevin K Quinn
- Pediatric Infectious Diseases, Kaiser Permanente Fontana Medical Center, Fontana, CA, USA
| | - Xuan Qin
- Department of Laboratory Medicine, University of Washington, Seattle, WA, USA
| | - Sheldon Campbell
- Department of Laboratory Medicine, Yale School of Medicine/Yale-New Haven Hospital, New Haven, CT, USA.,Department of Pathology and Laboratory Medicine, VA Connecticut Healthcare, West Haven, CT, USA
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Das S, Pettersson BMF, Behra PRK, Ramesh M, Dasgupta S, Bhattacharya A, Kirsebom LA. The Mycobacterium phlei Genome: Expectations and Surprises. Genome Biol Evol 2016; 8:975-85. [PMID: 26941228 PMCID: PMC4860684 DOI: 10.1093/gbe/evw049] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/27/2016] [Indexed: 11/15/2022] Open
Abstract
Mycobacterium phlei, a nontuberculosis mycobacterial species, was first described in 1898-1899. We present the complete genome sequence for theM. phlei CCUG21000(T)type strain and the draft genomes for four additional strains. The genome size for all five is 5.3 Mb with 69.4% Guanine-Cytosine content. This is ≈0.35 Mbp smaller than the previously reported M. phlei RIVM draft genome. The size difference is attributed partly to large bacteriophage sequence fragments in theM. phlei RIVM genome. Comparative analysis revealed the following: 1) A CRISPR system similar to Type 1E (cas3) in M. phlei RIVM; 2) genes involved in polyamine metabolism and transport (potAD,potF) that are absent in other mycobacteria, and 3) strain-specific variations in the number of σ-factor genes. Moreover,M. phlei has as many as 82 mce(mammalian cell entry) homologs and many of the horizontally acquired genes in M. phlei are present in other environmental bacteria including mycobacteria that share similar habitat. Phylogenetic analysis based on 693 Mycobacterium core genes present in all complete mycobacterial genomes suggested that its closest neighbor is Mycobacterium smegmatis JS623 and Mycobacterium rhodesiae NBB3, while it is more distant toM. smegmatis mc2 155.
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Affiliation(s)
- Sarbashis Das
- Department of Cell and Molecular Biology, Box 596, Biomedical Centre, Uppsala, Sweden
| | | | | | - Malavika Ramesh
- Department of Cell and Molecular Biology, Box 596, Biomedical Centre, Uppsala, Sweden
| | - Santanu Dasgupta
- Department of Cell and Molecular Biology, Box 596, Biomedical Centre, Uppsala, Sweden
| | - Alok Bhattacharya
- School of Computational and Integrative Sciences, Jawaharlal Nehru University, New Delhi, India School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Leif A Kirsebom
- Department of Cell and Molecular Biology, Box 596, Biomedical Centre, Uppsala, Sweden
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