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Harirchi S, Sar T, Ramezani M, Aliyu H, Etemadifar Z, Nojoumi SA, Yazdian F, Awasthi MK, Taherzadeh MJ. Bacillales: From Taxonomy to Biotechnological and Industrial Perspectives. Microorganisms 2022; 10:2355. [PMID: 36557608 PMCID: PMC9781867 DOI: 10.3390/microorganisms10122355] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/18/2022] [Accepted: 11/21/2022] [Indexed: 12/02/2022] Open
Abstract
For a long time, the genus Bacillus has been known and considered among the most applicable genera in several fields. Recent taxonomical developments resulted in the identification of more species in Bacillus-related genera, particularly in the order Bacillales (earlier heterotypic synonym: Caryophanales), with potential application for biotechnological and industrial purposes such as biofuels, bioactive agents, biopolymers, and enzymes. Therefore, a thorough understanding of the taxonomy, growth requirements and physiology, genomics, and metabolic pathways in the highly diverse bacterial order, Bacillales, will facilitate a more robust designing and sustainable production of strain lines relevant to a circular economy. This paper is focused principally on less-known genera and their potential in the order Bacillales for promising applications in the industry and addresses the taxonomical complexities of this order. Moreover, it emphasizes the biotechnological usage of some engineered strains of the order Bacillales. The elucidation of novel taxa, their metabolic pathways, and growth conditions would make it possible to drive industrial processes toward an upgraded functionality based on the microbial nature.
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Affiliation(s)
- Sharareh Harirchi
- Swedish Centre for Resource Recovery, University of Borås, 50190 Borås, Sweden
| | - Taner Sar
- Swedish Centre for Resource Recovery, University of Borås, 50190 Borås, Sweden
| | - Mohaddaseh Ramezani
- Microorganisms Bank, Iranian Biological Resource Centre (IBRC), Academic Center for Education, Culture and Research (ACECR), Tehran, Iran
| | - Habibu Aliyu
- Institute of Process Engineering in Life Science II: Technical Biology, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany
| | - Zahra Etemadifar
- Department of Cell and Molecular Biology & Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan 8174673441, Iran
| | - Seyed Ali Nojoumi
- Microbiology Research Center, Pasteur Institute of Iran, Tehran 1316943551, Iran
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran 1316943551, Iran
| | - Fatemeh Yazdian
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 1439957131, Iran
| | - Mukesh Kumar Awasthi
- College of Natural Resources and Environment, Northwest A&F University, Taicheng Road 3#, Yangling, Xianyang 712100, China
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Mahmoud H, Eapen S, Al-Bajjali F, Al-Qattan A, Jose L. Litoribacterium kuwaitense gen. nov., sp. nov., isolated from a Kuwait tidal flat. Int J Syst Evol Microbiol 2021; 71. [PMID: 33909547 PMCID: PMC8289215 DOI: 10.1099/ijsem.0.004792] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A Gram-stain-positive, strictly aerobic, spore-forming, rod-shaped and non-motile bacterium designated strain SIJ1T was obtained from tidal flat sediment collected from the northern shore of Kuwait Bay, northwest of the Arabian Gulf. Strain SIJ1T grew optimally at 30 °C and pH 7–8 in the presence of 6 % (w/v) NaCl. The cell-wall peptidoglycan was based on meso-diaminopimelic acid and an unsaturated menaquinone with seven isoprene units (MK-7) was the predominant respiratory quinone. It contained anteiso-C15 : 0, iso-C16 : 0 and iso-C15 : 0 as the major fatty acids and ribose as the major whole-cell sugar. The polar lipids were diphosphatidylglycerol, phosphatidylglycerol, unidentified phospholipid, an unidentified glycolipid, phosphoglycolipid and an unidentified lipid. Phylogenetic analysis based on 16S rRNA genes revealed that SIJ1T showed a distinct evolutionary lineage within the Firmicutes. The DNA G+C content was 43.1 mol% and the full genome analysis for strain SIJ1T showed that it had a genome size of 3 989 945 bp and contained 4085 predicted protein-encoding genes. The SIJ1T annotated genome showed more stress resistance encoding genes in comparison to its closely related strains. The amino acid identity and average nucleotide identity data for the whole genome proved that strain SIJ1T does indeed represent a novel genus. The strain was distinguishable from the phylogenetically related genera through differences in several phenotypic properties. On the basis of the phenotypic, phylogenetic and genetic data, strain SIJ1T represents a novel genus and species in the family Bacillaceae, for which the name Litoribacterium kuwaitense gen. nov., sp. nov. is proposed. The type strain is SIJ1T (=DSM 28862T=LMG 28316T).
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Affiliation(s)
- Huda Mahmoud
- Department of Biological Sciences, Faculty of Science, Kuwait University, Safat 13060, Kuwait
- *Correspondence: Huda Mahmoud,
| | - Susan Eapen
- Department of Biological Sciences, Faculty of Science, Kuwait University, Safat 13060, Kuwait
| | - Fatimah Al-Bajjali
- Department of Biological Sciences, Faculty of Science, Kuwait University, Safat 13060, Kuwait
| | - Anwar Al-Qattan
- Department of Earth, Ocean and Atmospheric Sciences, Faculty of Science, The University of British Columbia, Vancouver, Canada
| | - Liny Jose
- Department of Biological Sciences, Faculty of Science, Kuwait University, Safat 13060, Kuwait
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Li J, Zhang B, Liu G, Liu Y, Yang H, Yang R, Huang Y, Li S, Chen T, Zhang W, Zhang G. Radiobacillus deserti gen. nov., sp. nov., a UV-resistant bacterium isolated from desert soil. Int J Syst Evol Microbiol 2020; 70:6338-6347. [PMID: 33118923 DOI: 10.1099/ijsem.0.004536] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A Gram-stain-positive, aerobic, rod-shaped, non-motile, endospore-forming and UV-resistant bacterial strain, designated strain TKL69T, was isolated from sandy soil sampled in the Taklimakan Desert. The strain grew at 20-50 °C, pH 6-9 and with 0-12 % (w/v) NaCl. The major fatty acids were anteiso-C15 : 0, iso-C15 : 0 and C16 : 0. The only respiratory quinone was MK-7. The cell-wall peptidoglycan was meso-diaminopimelic acid. Diphosphatidyl glycerol, two unidentified aminophospholipids and one unidentified phospholipid were identified as the major polar lipids. Genomic DNA analysis revealed a G+C content of 38.5 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain TKL69T has the highest similarity to Salinibacillus xinjiangensis CGMCC 1.12331T (96.9 %) but belongs to an independent taxon separated from other genera of the family Bacillaceae. Phylogenetic, phenotypic and chemotaxonomic analyses suggested that strain TKL69T represents a novel species of a new genus, for which the name Radiobacillus gen. nov., sp. nov. is proposed, with the type strain being Radiobacillus deserti TKL69T (=JCM 33497T=CICC 24779T).
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Affiliation(s)
- Juan Li
- Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, PR China.,University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, PR China.,Key Laboratory of Extreme Environmental Microbial Resources and Engineering, Gansu Province, Lanzhou 730000, PR China
| | - Binglin Zhang
- State Key Laboratory of Cryospheric Sciences, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, PR China.,Key Laboratory of Extreme Environmental Microbial Resources and Engineering, Gansu Province, Lanzhou 730000, PR China
| | - Guangxiu Liu
- Key Laboratory of Extreme Environmental Microbial Resources and Engineering, Gansu Province, Lanzhou 730000, PR China.,Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, PR China
| | - Yang Liu
- University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, PR China.,Key Laboratory of Extreme Environmental Microbial Resources and Engineering, Gansu Province, Lanzhou 730000, PR China.,Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, PR China
| | - Hui Yang
- Key Laboratory of Microbial Resources Exploition and Application, Gansu Province, Lanzhou 730000, PR China
| | - Ruiqi Yang
- School of Geography and Environmental Engineering, Lanzhou City University, Lanzhou 730070, PR China.,Key Laboratory of Extreme Environmental Microbial Resources and Engineering, Gansu Province, Lanzhou 730000, PR China
| | - Yixuan Huang
- School of Environmental and Municipal, Lanzhou Jiaotong University, Lanzhou 730070, PR China.,Key Laboratory of Extreme Environmental Microbial Resources and Engineering, Gansu Province, Lanzhou 730000, PR China
| | - Shiweng Li
- School of Environmental and Municipal, Lanzhou Jiaotong University, Lanzhou 730070, PR China.,Key Laboratory of Extreme Environmental Microbial Resources and Engineering, Gansu Province, Lanzhou 730000, PR China
| | - Tuo Chen
- State Key Laboratory of Cryospheric Sciences, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, PR China.,Key Laboratory of Extreme Environmental Microbial Resources and Engineering, Gansu Province, Lanzhou 730000, PR China
| | - Wei Zhang
- Key Laboratory of Extreme Environmental Microbial Resources and Engineering, Gansu Province, Lanzhou 730000, PR China.,Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, PR China
| | - Gaosen Zhang
- Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, PR China.,Key Laboratory of Extreme Environmental Microbial Resources and Engineering, Gansu Province, Lanzhou 730000, PR China
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Sultanpuram VR, Mothe T. Salipaludibacillus aurantiacus gen. nov., sp. nov. a novel alkali tolerant bacterium, reclassification of Bacillus agaradhaerens as Salipaludibacillus agaradhaerens comb. nov. and Bacillus neizhouensis as Salipaludibacillus neizhouensis comb. nov. Int J Syst Evol Microbiol 2016; 66:2747-2753. [DOI: 10.1099/ijsem.0.001117] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
| | - Thirumala Mothe
- Microbial Ecology Lab, Department of Biochemistry, Mahatma Gandhi University, Nalgonda, Telangana, India
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