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Castañeda-Barreto A, Olivera-Gonzales P, Tamariz-Angeles C. A natural consortium of thermophilic bacteria from Huancarhuaz hot spring (Ancash-Peru) for promising lignocellulose bioconversion. Heliyon 2024; 10:e27272. [PMID: 38486736 PMCID: PMC10937689 DOI: 10.1016/j.heliyon.2024.e27272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 02/14/2024] [Accepted: 02/27/2024] [Indexed: 03/17/2024] Open
Abstract
The lignocellulose bioconversion process is an eco-friendly and green-economy alternative technology that allows the reduction of pollution and global warming, so it is necessary for thermophilic and thermostable hydrolytic enzymes from natural sources. This research aimed to isolate cellulolytic and xylanolytic microbial consortia from Huancarhuaz hot spring (Peru) from sludge or in situ baiting cultured with or without sugarcane bagasse. According to the hydrolytic activities consortium T4 from in situ baiting was selected. It was cultivated in submerged fermentation at 65 °C, pH 6.5 for eight days using LB supplemented with sugar cane bagasse (SCB), pine wood sawdust (PWS), CMC, xylan of birchwood, or micro granular cellulose. Crude extract of culture supplemented with SCB (T4B) showed better endoglucanase and xylanase activities with higher activities at 75 °C and pH 6. In these conditions, cellulase activity was kept up to 57% after 1 h of incubation, while xylanase activity was up to 63% after 72 h. Furthermore, this crude extract released reduced sugars from pretreated SCB and PWS. According to metagenomic analysis of 16S rDNA, Geobacillus was the predominant genus. It was found thermostable genes: a type of endoglucanase (GH5), an endo-xylanase (GH10), and alkali xylanase (GH10) previously reported in Geobacillus sp. strains. Finally, Huancarhuaz hot spring harbors a genetic microbial diversity for lignocellulosic waste bioconversion in high temperatures, and the T4B consortium will be a promising source of novel extreme condition stable enzymes for the saccharification process.
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Affiliation(s)
- Alberto Castañeda-Barreto
- Facultad de Ciencias del Ambiente, Universidad Nacional Santiago Antúnez de Mayolo, Av. Centenario 200, 02002, Independencia, Huaraz, Ancash, Peru
| | - Percy Olivera-Gonzales
- Centro de Investigación de la Biodiversidad y Recursos Genéticos de Ancash, Facultad de Ciencias, Universidad Nacional Santiago Antúnez de Mayolo, Av. Centenario 200, 02002, Independencia, Huaraz, Ancash, Peru
| | - Carmen Tamariz-Angeles
- Centro de Investigación de la Biodiversidad y Recursos Genéticos de Ancash, Facultad de Ciencias, Universidad Nacional Santiago Antúnez de Mayolo, Av. Centenario 200, 02002, Independencia, Huaraz, Ancash, Peru
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Khaswal A, Chaturvedi N, Mishra SK, Kumar PR, Paul PK. Current status and applications of genus Geobacillus in the production of industrially important products-a review. Folia Microbiol (Praha) 2022; 67:389-404. [PMID: 35229277 DOI: 10.1007/s12223-022-00961-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 02/19/2022] [Indexed: 11/25/2022]
Abstract
The genus Geobacillus is one of the most important genera which mainly comprises gram-positive thermophilic bacterial strains including obligate aerobes, denitrifiers and facultative anaerobes having capability of endospore formation as well. The genus Geobacillus is widely distributed in nature and mostly abundant in extreme locations such as cool soils, hot springs, hydrothermal vents, marine trenches, hay composts and dairy plants. Due to plasticity towards environmental adaptation, the Geobacillus sp. shows remarkable genome diversification and acquired many beneficial properties, which facilitates their exploitation for many biotechnological applications. Many thermophiles are of biotechnological importance and having considerable interest in commercial applications for the production of industrially important products. Recently, due to catabolic versatility especially in the degradation of hemicellulose and starch containing agricultural waste and rapid growth rates, these microorganisms show potential for the production of biofuels, thermostable enzymes and bioremediation. This review mainly summarizes the status of Geobacillus sp. including its notable properties, biotechnological studies and its potential application in the production of industrially important products.
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Affiliation(s)
- Ashutosh Khaswal
- Department of Biotechnology, IMS Engineering College, Uttar Pradesh, Ghaziabad, India
| | - Neha Chaturvedi
- Department of Biotechnology, IMS Engineering College, Uttar Pradesh, Ghaziabad, India
| | - Santosh Kumar Mishra
- Department of Biotechnology, IMS Engineering College, Uttar Pradesh, Ghaziabad, India.
| | - Priya Ranjan Kumar
- Department of Biotechnology, IMS Engineering College, Uttar Pradesh, Ghaziabad, India
| | - Prabir Kumar Paul
- Department of Biotechnology, IMS Engineering College, Uttar Pradesh, Ghaziabad, India
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Bhardwaj N, Kumar B, Verma P. A detailed overview of xylanases: an emerging biomolecule for current and future prospective. BIORESOUR BIOPROCESS 2019. [DOI: 10.1186/s40643-019-0276-2] [Citation(s) in RCA: 144] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Xylan is the second most abundant naturally occurring renewable polysaccharide available on earth. It is a complex heteropolysaccharide consisting of different monosaccharides such as l-arabinose, d-galactose, d-mannoses and organic acids such as acetic acid, ferulic acid, glucuronic acid interwoven together with help of glycosidic and ester bonds. The breakdown of xylan is restricted due to its heterogeneous nature and it can be overcome by xylanases which are capable of cleaving the heterogeneous β-1,4-glycoside linkage. Xylanases are abundantly present in nature (e.g., molluscs, insects and microorganisms) and several microorganisms such as bacteria, fungi, yeast, and algae are used extensively for its production. Microbial xylanases show varying substrate specificities and biochemical properties which makes it suitable for various applications in industrial and biotechnological sectors. The suitability of xylanases for its application in food and feed, paper and pulp, textile, pharmaceuticals, and lignocellulosic biorefinery has led to an increase in demand of xylanases globally. The present review gives an insight of using microbial xylanases as an “Emerging Green Tool” along with its current status and future prospective.
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Singh DN, Sood U, Singh AK, Gupta V, Shakarad M, Rawat CD, Lal R. Genome Sequencing Revealed the Biotechnological Potential of an Obligate Thermophile Geobacillus thermoleovorans Strain RL Isolated from Hot Water Spring. Indian J Microbiol 2019; 59:351-355. [PMID: 31388213 DOI: 10.1007/s12088-019-00809-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 06/04/2019] [Indexed: 01/11/2023] Open
Abstract
In the present study, we report the draft genome sequence of an obligate thermophile Geobacillus thermoleovorans strain RL isolated from Manikaran hot water spring located atop the Himalayan ranges, India. Strain RL grew optimally at 70 °C but not below 45 °C. The draft genome (3.39 Mb) obtained by Illumina sequencing contains 138 contigs with an average G + C content of 52.30%. RAST annotation showed that amino acid metabolism pathways were most dominant followed by carbohydrate metabolism. Genome-wide analysis using NCBI's Prokaryotic Genome Annotation Pipeline revealed that strain RL encodes for a cocktail of industrially important hydrolytic enzymes glycoside hydrolase, α-and β-glucosidase, xylanase, amylase, neopullulanase, pullulanase and lipases required for white biotechnology. In addition, the presence of genes encoding green biocatalyst multicopper polyphenol oxidase (laccase) and an anticancer enzyme l-glutaminase reflects the significance of strain RL in gray and red biotechnology, respectively. Strain RL is a thermophilic multi-enzyme encoding bacterium which could be the source for the recombinant production of biotechnologically significant enzymes. In, addition whole cells of strain RL may be used in bioremediation studies.
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Affiliation(s)
| | - Utkarsh Sood
- 1Department of Zoology, University of Delhi, Delhi, 110007 India.,Present Address: PhiXGen Private Limited, Gurugram, Haryana 122001 India
| | - Amit Kumar Singh
- 3Department of Biotechnology, Jamia Millia Islamia, New Delhi, Delhi 110025 India
| | - Vipin Gupta
- 1Department of Zoology, University of Delhi, Delhi, 110007 India.,Present Address: PhiXGen Private Limited, Gurugram, Haryana 122001 India
| | | | - Charu Dogra Rawat
- 4Department of Zoology, Ramjas College, University of Delhi, Delhi, 110007 India
| | - Rup Lal
- 1Department of Zoology, University of Delhi, Delhi, 110007 India.,Present Address: PhiXGen Private Limited, Gurugram, Haryana 122001 India
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Chadha BS, Kaur B, Basotra N, Tsang A, Pandey A. Thermostable xylanases from thermophilic fungi and bacteria: Current perspective. BIORESOURCE TECHNOLOGY 2019; 277:195-203. [PMID: 30679061 DOI: 10.1016/j.biortech.2019.01.044] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 01/06/2019] [Accepted: 01/08/2019] [Indexed: 06/09/2023]
Abstract
Thermostable xylanases from thermophilic fungi and bacteria have a wide commercial acceptability in feed, food, paper and pulp and bioconversion of lignocellulosics with an estimated annual market of USD 500 Million. The genome wide analysis of thermophilic fungi clearly shows the presence of elaborate genetic information coding for multiple xylanases primarily coding for GH10, GH11 in addition to GH7 and GH30 xylanases. The transcriptomics and proteome profiling has given insight into the differential expression of these xylanases in some of the thermophilic fungi. Bioprospecting has resulted in identification of novel thermophilic xylanases that have been endorsed by the industrial houses for heterologous over- expression and formulations. The future use of xylanases is expected to increase exponentially for their role in biorefineries. The discovery of new and improvement of existing xylanases using molecular tools such as directed evolution is expected to be the mainstay to meet increasing demand of thermostable xylanases.
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Affiliation(s)
- B S Chadha
- Department of Microbiology, Guru Nanak Dev University, Amritsar 143 005, India.
| | - Baljit Kaur
- Department of Microbiology, Guru Nanak Dev University, Amritsar 143 005, India
| | - Neha Basotra
- Department of Microbiology, Guru Nanak Dev University, Amritsar 143 005, India
| | - Adrian Tsang
- Center for Structural and Functional Genomics, Concordia University, Sherbrooke Street West, Montreal, Quebec H4B 1R6, Canada.
| | - Ashok Pandey
- Centre for Innovation and Translational Research, CSIR-Indian Institute of Toxicology Research, Lucknow 226 001, India.
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Characterization, Phylogenetic Analysis and Potential Applications of Heterotrophic Bacteria Inhabit Sand Dunes of Thar Desert, India. JOURNAL OF PURE AND APPLIED MICROBIOLOGY 2018. [DOI: 10.22207/jpam.12.4.24] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Sari B, Faiz O, Genc B, Sisecioglu M, Adiguzel A, Adiguzel G. New xylanolytic enzyme from Geobacillus galactosidasius BS61 from a geothermal resource in Turkey. Int J Biol Macromol 2018; 119:1017-1026. [DOI: 10.1016/j.ijbiomac.2018.07.166] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 07/24/2018] [Accepted: 07/25/2018] [Indexed: 11/28/2022]
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Sahay H, Yadav AN, Singh AK, Singh S, Kaushik R, Saxena AK. Hot springs of Indian Himalayas: potential sources of microbial diversity and thermostable hydrolytic enzymes. 3 Biotech 2017; 7:118. [PMID: 28567630 PMCID: PMC5451362 DOI: 10.1007/s13205-017-0762-1] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Accepted: 02/01/2017] [Indexed: 12/23/2022] Open
Abstract
Microbial communities in hot springs at high elevations have been extensively studied worldwide. In this sense, the Indian Himalaya regions is valuable ecosystems for providing both the extreme 'cold' and 'hot' sites for exploring microbial diversity. In the present study, a total of 140 thermophilic bacteria were isolated from 12 samples collected from Manikaran and Yumthang hot springs of Indian Himalayas. The bacterial isolates were studied for phylogenetic profiling, growth properties at varying conditions and potential sources of extracellular thermostable hydrolytic enzymes such as protease, amylase, xylanase and cellulase. Based on production of extracellular hydrolases, 51 isolates from Manikaran (28) and Yumthang thermal springs (23) were selected and identified using 16S rRNA gene sequencing which included 37 distinct species of 14 different genera namely Anoxybacillus, Bacillus, Brevibacillus, Brevundimonas, Burkholderia, Geobacillus, Paenibacillus, Planococcus, Pseudomonas, Rhodanobacter, Thermoactinomyces, Thermobacillus, Thermonema and Thiobacillus. Out of 51 hydrolase producing bacteria, 24 isolates showed stability at wide range of temperature and pH treatments. In present investigation, three thermotolerant bacteria namely, Thermobacillus sp NBM6, Paenibacillus ehimensis NBM24 and Paenibacillus popilliae NBM68 were found to produced cellulase-free xylanase. These potential extracellular thermostable hydrolytic enzymes producing thermophilic bacteria have a great commercial prospect in various industrial, medical and agriculture applications.
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Affiliation(s)
- Harmesh Sahay
- Department of Biological Science, Rani Durgavati University, Jabalpur, India
- Department of Research and Development, R-Biopharm Neugen Group, Hyderabad, India
| | - Ajar Nath Yadav
- Department of Biotechnology, Akal College of Agriculture, Eternal University, Baru Sahib, India
| | - Atul Kumar Singh
- Division of Infectious Diseases, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Surendra Singh
- Department of Biological Science, Rani Durgavati University, Jabalpur, India
| | - Rajeev Kaushik
- Division of Microbiology, Indian Agricultural Research Institute, New Delhi, India
| | - Anil Kumar Saxena
- National Bureau of Agriculturally Important Microorganisms, Kushmaur, Mau Nath Bhanjan, Mau, Uttar Pradesh, 275103, India.
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Irfan M, Guler HI, Belduz AO, Shah AA, Canakci S. Cloning, purification and characterization of a cellulase-free xylanase from Geobacillus thermodenitrificans AK53. APPL BIOCHEM MICRO+ 2016. [DOI: 10.1134/s0003683816030066] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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10
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Brumm PJ, De Maayer P, Mead DA, Cowan DA. Genomic analysis of six new Geobacillus strains reveals highly conserved carbohydrate degradation architectures and strategies. Front Microbiol 2015; 6:430. [PMID: 26029180 PMCID: PMC4428132 DOI: 10.3389/fmicb.2015.00430] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2015] [Accepted: 04/22/2015] [Indexed: 11/13/2022] Open
Abstract
In this work we report the whole genome sequences of six new Geobacillus xylanolytic strains along with the genomic analysis of their capability to degrade carbohydrates. The six sequenced Geobacillus strains described here have a range of GC contents from 43.9% to 52.5% and clade with named Geobacillus species throughout the entire genus. We have identified a ~200 kb unique super-cluster in all six strains, containing five to eight distinct carbohydrate degradation clusters in a single genomic region, a feature not seen in other genera. The Geobacillus strains rely on a small number of secreted enzymes located within distinct clusters for carbohydrate utilization, in contrast to most biomass-degrading organisms which contain numerous secreted enzymes located randomly throughout the genomes. All six strains are able to utilize fructose, arabinose, xylose, mannitol, gluconate, xylan, and α-1,6-glucosides. The gene clusters for utilization of these seven substrates have identical organization and the individual proteins have a high percent identity to their homologs. The strains show significant differences in their ability to utilize inositol, sucrose, lactose, α-mannosides, α-1,4-glucosides and arabinan.
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Affiliation(s)
- Phillip J. Brumm
- C5•6 TechnologiesMiddleton, WI, USA
- Great Lakes Bioenergy Research Center, University of WisconsinMadison, WI, USA
| | - Pieter De Maayer
- Centre for Microbial Ecology and Genomics, Genomics Research Institute, University of PretoriaPretoria, South Africa
- Department of Microbiology and Plant Pathology, University of PretoriaPretoria, South Africa
| | - David A. Mead
- C5•6 TechnologiesMiddleton, WI, USA
- Great Lakes Bioenergy Research Center, University of WisconsinMadison, WI, USA
- Lucigen CorporationMiddleton, WI, USA
| | - Don A. Cowan
- Centre for Microbial Ecology and Genomics, Genomics Research Institute, University of PretoriaPretoria, South Africa
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Zainudin MHM, Hassan MA, Tokura M, Shirai Y. Indigenous cellulolytic and hemicellulolytic bacteria enhanced rapid co-composting of lignocellulose oil palm empty fruit bunch with palm oil mill effluent anaerobic sludge. BIORESOURCE TECHNOLOGY 2013; 147:632-635. [PMID: 24012093 DOI: 10.1016/j.biortech.2013.08.061] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2013] [Revised: 08/07/2013] [Accepted: 08/08/2013] [Indexed: 05/05/2023]
Abstract
The composting of lignocellulosic oil palm empty fruit bunch (OPEFB) with continuous addition of palm oil mill (POME) anaerobic sludge which contained nutrients and indigenous microbes was studied. In comparison to the conventional OPEFB composting which took 60-90 days, the rapid composting in this study can be completed in 40 days with final C/N ratio of 12.4 and nitrogen (2.5%), phosphorus (1.4%), and potassium (2.8%), respectively. Twenty-seven cellulolytic bacterial strains of which 23 strains were closely related to Bacillus subtilis, Bacillus firmus, Thermobifida fusca, Thermomonospora spp., Cellulomonas sp., Ureibacillus thermosphaericus, Paenibacillus barengoltzii, Paenibacillus campinasensis, Geobacillus thermodenitrificans, Pseudoxanthomonas byssovorax which were known as lignocellulose degrading bacteria and commonly involved in lignocellulose degradation. Four isolated strains related to Exiguobacterium acetylicum and Rhizobium sp., with cellulolytic and hemicellulolytic activities. The rapid composting period achieved in this study can thus be attributed to the naturally occurring cellulolytic and hemicellulolytic strains identified.
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Affiliation(s)
- Mohd Huzairi Mohd Zainudin
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Mohd Ali Hassan
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia.
| | - Mitsunori Tokura
- Biological Functions Research Group, Frontier Research Labs., Institute of Innovation, Ajinomoto, 1-1 Suzuki-cho, Kawasaki-ku, Kawasaki, Japan
| | - Yoshihito Shirai
- Department of Biological Function and Engineering, Graduate School of Life Science and System Engineering, Kyushu Institute of Technology, 2-4 Hibikino-cho, Wakamatsu-ku, Fukuoka 808-0196, Japan
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Anand A, Kumar V, Satyanarayana T. Characteristics of thermostable endoxylanase and β-xylosidase of the extremely thermophilic bacterium Geobacillus thermodenitrificans TSAA1 and its applicability in generating xylooligosaccharides and xylose from agro-residues. Extremophiles 2013; 17:357-66. [DOI: 10.1007/s00792-013-0524-x] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2012] [Accepted: 01/31/2013] [Indexed: 10/27/2022]
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Thermostable and Alkalistable Endoxylanase of the Extremely Thermophilic Bacterium Geobacillus thermodenitrificans TSAA1: Cloning, Expression, Characteristics and Its Applicability in Generating Xylooligosaccharides and Fermentable Sugars. Appl Biochem Biotechnol 2013; 170:119-30. [DOI: 10.1007/s12010-013-0174-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2012] [Accepted: 03/01/2013] [Indexed: 10/27/2022]
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