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Malik PK, Trivedi S, Mohapatra A, Kolte AP, Mech A, Victor T, Ahasic E, Bhatta R. Oat Brewery Waste Decreased Methane Production and Alters Rumen Fermentation, Microbiota Composition, and CAZymes Profiles. Microorganisms 2024; 12:1475. [PMID: 39065243 PMCID: PMC11279122 DOI: 10.3390/microorganisms12071475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2024] [Revised: 06/28/2024] [Accepted: 07/05/2024] [Indexed: 07/28/2024] Open
Abstract
The transformation of oat brewery waste (OBW) into livestock feed could be a potential replacement for the expensive concentrate and one of the effective approaches for avoiding health hazards due to the accumulation of oat brewery waste in the environment. To explore the potential of OBW as a methane (CH4) mitigating agent, an in vitro study was undertaken to investigate the effect of graded replacement of concentrate with OBW on CH4 production, microbiota, feed fermentation, and CAZymes. A total of five treatments with variable proportions of OBW were formulated. The results indicated a linear decrease in the total gas production and a 38-52% decrease in CH4 production with a 60 and 100% replacement of concentrate with OBW. The inclusion of OBW also affected the abundance of microbes such as Firmicutes, Euryarchaeota, Methanobrevibacter, and protozoa numbers. This study demonstrated that OBW can partially replace the concentrate and effectively mitigate CH4 production; however, the concurrent decrease in fermentation cautioned for the partial replacement of concentrate with OBW at an appropriate level at which the fermentation remains unaffected while decreasing CH4 production. Therefore, waste from oat breweries can contribute to curtailing the accumulation of greenhouse gases (GHGs) in the atmosphere.
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Affiliation(s)
- Pradeep Kumar Malik
- ICAR-National Institute of Animal Nutrition and Physiology, Bangalore 560030, India; (S.T.); (A.M.); (A.P.K.); (A.M.)
| | - Shraddha Trivedi
- ICAR-National Institute of Animal Nutrition and Physiology, Bangalore 560030, India; (S.T.); (A.M.); (A.P.K.); (A.M.)
| | - Archit Mohapatra
- ICAR-National Institute of Animal Nutrition and Physiology, Bangalore 560030, India; (S.T.); (A.M.); (A.P.K.); (A.M.)
| | - Atul Purshottam Kolte
- ICAR-National Institute of Animal Nutrition and Physiology, Bangalore 560030, India; (S.T.); (A.M.); (A.P.K.); (A.M.)
| | - Anjumoni Mech
- ICAR-National Institute of Animal Nutrition and Physiology, Bangalore 560030, India; (S.T.); (A.M.); (A.P.K.); (A.M.)
| | - Tsuma Victor
- International Atomic Energy Agency, Vienna International Centre, P.O. Box 100, A-1400 Vienna, Austria; (T.V.); (E.A.)
| | - Elena Ahasic
- International Atomic Energy Agency, Vienna International Centre, P.O. Box 100, A-1400 Vienna, Austria; (T.V.); (E.A.)
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Mohapatra A, Trivedi S, Kolte AP, Tejpal CS, Elavarasan K, Vaswani S, Malik PK, Ravishankar CN, Bhatta R. Effect of Padina gymnospora biowaste inclusion on in vitro methane production, feed fermentation, and microbial diversity. Front Microbiol 2024; 15:1431131. [PMID: 39027100 PMCID: PMC11254855 DOI: 10.3389/fmicb.2024.1431131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Accepted: 06/19/2024] [Indexed: 07/20/2024] Open
Abstract
In vitro studies were undertaken aiming to study the methane (CH4) mitigation potential of biowaste (BW) of Padina gymnospora at the graded inclusion of 0% (C), 2% (A2), 5% (A5), and 10% (A10) of the diet composed of straw and concentrate in 40:60 ratio. The chemical composition analysis revealed that the BW contained higher crude protein (CP), neutral detergent fiber (NDF), acid detergent fiber (ADF), and ether extract (EE) than the PF (fresh seaweed, P. gymnospora). The concentration of cinnamic acid, sinapic acid, kaempferol, fisetin p-coumaric acid, ellagic acid, and luteolin in BW was 1.5-6-folds less than the PF. Inclusion of BW decreased (P < 0.0001) CH4 production by 34%, 38%, and 45% in A2, A5, and A10 treatments, respectively. A decrease (P < 0.0001) of 7.5%-8% in dry matter (DM) and organic matter (OM) digestibility was also recorded with the BW supplementation. The BW inclusion also decreased the numbers of total (P = 0.007), Entodinomorphs (P = 0.011), and Holotrichs (P = 0.004) protozoa. Metagenome data revealed the dominance of Bacteroidetes, Proteobacteria, Firmicutes, Actinobacteria, and Fibrobacter microbial phyla. At the phylum level, Euryarchaeota dominated the archaeal community, whereas Methanobrevibacter was most abundant at the genus level. It can be concluded that the inclusion of BW in straw and concentrate based diet by affecting rumen fermentation, protozoal numbers, and compositional shift in the archaeal community significantly decreased CH4 production. Utilization of biowaste of P. gymnospora as a CH4 mitigating agent will ensure its efficient utilization rather than dumping, which shall cause environmental pollution and health hazards.
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Affiliation(s)
- Archit Mohapatra
- Indian Council of Agricultural Research (ICAR)-National Institute of Animal Nutrition and Physiology, Bengaluru, India
- School of Sciences, JAIN (Deemed-to-be-University), Bengaluru, India
| | - Shraddha Trivedi
- Indian Council of Agricultural Research (ICAR)-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Atul P. Kolte
- Indian Council of Agricultural Research (ICAR)-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Chaluvanahalli S. Tejpal
- Indian Council of Agricultural Research (ICAR)-Central Institute of Fisheries Technology, Kochi, India
| | - Krishnamoorthy Elavarasan
- Indian Council of Agricultural Research (ICAR)-Central Institute of Fisheries Technology, Kochi, India
| | - Shalini Vaswani
- Uttar Pradesh Pandit Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go-Anusandhan Sansthan, Mathura, India
| | - Pradeep Kumar Malik
- Indian Council of Agricultural Research (ICAR)-National Institute of Animal Nutrition and Physiology, Bengaluru, India
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Zhu L, Li W, Liu Y, Li J, Xu L, Gu L, Chen C, Cao Y, He Q. Metaproteomics analysis of anaerobic digestion of food waste by the addition of calcium peroxide and magnetite. Appl Environ Microbiol 2024; 90:e0145123. [PMID: 38224621 PMCID: PMC10880661 DOI: 10.1128/aem.01451-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 12/11/2023] [Indexed: 01/17/2024] Open
Abstract
Adding trace calcium peroxide and magnetite into a semi-continuous digester is a new method to effectively improve the anaerobic digestion of food waste. However, the microbial mechanism in this system has not been fully explored. Metaproteomics further revealed that the most active and significantly regulated genus u_p_Chloroflexi had formed a good cooperative relationship with Methanomicrobiales and Methanothrix in the system. u_p_Chloroflexi decomposed more organic compounds into CO2, acetate, amino acids, and other substances by alternating between short aerobic-anaerobic respiration. It perceived and adapted to the surrounding environment by producing biofilm, extracellular enzymes, and accelerating substrate transport, formed a respiratory barrier, and enhanced iron transport capacity by using highly expressed cytochrome C. The methanogens formed reactive oxygen species scavengers and reduced iron transport to prevent oxidative damage. This study provides new insight for improving the efficiency of anaerobic digestion of food waste and identifying key microorganisms and their regulated functional proteins in the calcium peroxide-magnetite digestion system.IMPORTANCEPrevious study has found that the combination of calcium peroxide and magnetite has a good promoting effect on the anaerobic digestion process of food waste. Through multiple omics approaches, information such as microbial population structure and changes in metabolites can be further analyzed. This study can help researchers gain a deeper understanding of the digestion pathway of food waste under the combined action of calcium peroxide and magnetite, further elucidate the impact mechanisms of calcium peroxide and magnetite at the microbial level, and provide theoretical guidance to improve the efficiency and stability of anaerobic digestion of food waste, as well as reduce operational costs. This research contributes to improving energy recovery efficiency, promoting sustainable management and development of food waste, and is of great significance to environmental protection.
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Affiliation(s)
- Lirong Zhu
- Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environments, Ministry of Education, Institute of Environment and Ecology, Chongqing University, Chongqing, China
| | - Wen Li
- Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environments, Ministry of Education, Institute of Environment and Ecology, Chongqing University, Chongqing, China
| | - Yongli Liu
- Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environments, Ministry of Education, Institute of Environment and Ecology, Chongqing University, Chongqing, China
| | - Jinze Li
- Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environments, Ministry of Education, Institute of Environment and Ecology, Chongqing University, Chongqing, China
| | - Linji Xu
- Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environments, Ministry of Education, Institute of Environment and Ecology, Chongqing University, Chongqing, China
| | - Li Gu
- Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environments, Ministry of Education, Institute of Environment and Ecology, Chongqing University, Chongqing, China
| | - Cong Chen
- Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environments, Ministry of Education, Institute of Environment and Ecology, Chongqing University, Chongqing, China
| | - Yang Cao
- Jiangsu Jiangnan Water Co., Ltd, Jiangyin, Jiangsu, China
| | - Qiang He
- Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environments, Ministry of Education, Institute of Environment and Ecology, Chongqing University, Chongqing, China
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Malik PK, Trivedi S, Kolte AP, Mohapatra A, Biswas S, Bhattar AVK, Bhatta R, Rahman H. Comparative Rumen Metagenome and CAZyme Profiles in Cattle and Buffaloes: Implications for Methane Yield and Rumen Fermentation on a Common Diet. Microorganisms 2023; 12:47. [PMID: 38257874 PMCID: PMC10818812 DOI: 10.3390/microorganisms12010047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/20/2023] [Accepted: 12/21/2023] [Indexed: 01/24/2024] Open
Abstract
A study was undertaken to compare the rumen microbial community composition, methane yield, rumen fermentation, and CAZyme profiles between cattle and buffaloes. The primary aim of this study was to ascertain the impact of the host species on the above when diet and environmental factors are fixed. A total of 43 phyla, 200 orders, 458 families, and 1722 microbial genera were identified in the study. Bacteroidetes was the most prominent bacterial phylum and constituted >1/3rd of the ruminal microbiota; however, their abundances were comparable between cattle and buffaloes. Firmicutes were the second most abundant bacteria, found to be negatively correlated with the Bacteroidetes. The abundances of Firmicutes as well as the F/B ratio were not different between the two host species. In this study, archaea affiliated with the nine phyla were identified, with Euryarchaeota being the most prominent. Like bacterial phyla, the abundances of Euryarchaeota methanogens were also similar between the cattle and buffaloes. At the order level, Methanobacteriales dominated the archaea. Methanogens from the Methanosarcinales, Methanococcales, Methanomicrobiales, and Methanomassiliicoccales groups were also identified, but at a lower frequency. Methanobrevibacter was the most prevalent genus of methanogens, accounting for approximately three percent of the rumen metagenome. However, their distribution was not different between the two host species. CAZymes affiliated with five classes, namely CBM, CE, GH, GT, and PL, were identified in the metagenome, where the GH class was the most abundant and constituted ~70% of the total CAZymes. The protozoal numbers, including Entodiniomorphs and Holotrichs, were also comparable between the cattle and buffaloes. Results from the study did not reveal any significant difference in feed intake, nutrient digestibility, and rumen fermentation between cattle and buffaloes fed on the same diet. As methane yield due to the similar diet composition, feed ingredients, rumen fermentation, and microbiota composition did not vary, these results indicate that the microbiota community structure and methane emissions are under the direct influence of the diet and environment, and the host species may play only a minor role until the productivity does not vary. More studies are warranted to investigate the effect of different diets and environments on microbiota composition and methane yield. Further, the impact of variable productivity on both the cattle and buffaloes when the diet and environmental factors are fixed needs to be ascertained.
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Affiliation(s)
- Pradeep K. Malik
- ICAR-National Institute of Animal Nutrition and Physiology, Bangalore 560030, India; (P.K.M.)
| | - Shraddha Trivedi
- International Livestock Research Institute, South Asia Regional Office, New Delhi 110012, India
| | - Atul P. Kolte
- ICAR-National Institute of Animal Nutrition and Physiology, Bangalore 560030, India; (P.K.M.)
| | - Archit Mohapatra
- ICAR-National Institute of Animal Nutrition and Physiology, Bangalore 560030, India; (P.K.M.)
| | - Siddharth Biswas
- ICAR-National Institute of Animal Nutrition and Physiology, Bangalore 560030, India; (P.K.M.)
| | - Ashwin V. K. Bhattar
- ICAR-National Institute of Animal Nutrition and Physiology, Bangalore 560030, India; (P.K.M.)
| | - Raghavendra Bhatta
- ICAR-National Institute of Animal Nutrition and Physiology, Bangalore 560030, India; (P.K.M.)
| | - Habibar Rahman
- International Livestock Research Institute, South Asia Regional Office, New Delhi 110012, India
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Malik PK, Trivedi S, Kolte AP, Mohapatra A, Biswas S, Bhattar AVK, Bhatta R, Rahman H. Comparative analysis of rumen metagenome, metatranscriptome, fermentation and methane yield in cattle and buffaloes fed on the same diet. Front Microbiol 2023; 14:1266025. [PMID: 38029196 PMCID: PMC10666647 DOI: 10.3389/fmicb.2023.1266025] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 10/19/2023] [Indexed: 12/01/2023] Open
Abstract
A study to compare the rumen microbial community composition, functional potential of the microbiota, methane (CH4) yield, and rumen fermentation was conducted in adult male cattle and buffaloes fed on the same diet. A total of 41 phyla, 169 orders, 374 families, and 1,376 microbial genera were identified in the study. Bacteroidetes and Firmicutes were the two most dominant bacterial phyla in both cattle and buffaloes. However, there was no difference in the abundance of Bacteroidetes and Firmicutes in the rumen metagenome of cattle and buffaloes. Based on the abundance, the Proteobacteria was the 3rd largest phylum in the metagenome, constituting 18-20% in both host species. Euryarchaeota was the most abundant phylum of the methanogens, whereas Methanobacteriales and Methanobrevibacter were the most abundant orders and genera in both species. The methanogen abundances were not different between the two host species. Like the metagenome, the difference between the compositional and functional abundances (metagenome vs. metatranscriptome) of the Bacteroidetes and Firmicutes was not significant, whereas the proteobacteria were functionally less active than their metagenomic composition. Contrary to the metagenome, the Euryarchaeota was the 3rd most functional phylum in the rumen and constituted ~15% of the metatranscriptome. Methanobacteriales were the most functional methanogens, accounting for more than 2/3rd of the total archaeal functionality. These results indicated that the methanogens from Euryarchaeota were functionally more active as compared to their compositional abundance. The CH4 yield (g/kg DMI), CH4 emission (g/kg DDM), dry matter (DM) intake, and rumen fermentation did not vary between the two host species. Overall, the study established a substantial difference between the compositional abundances and metabolic functionality of the rumen microbiota; however, feeding cattle and buffaloes on the same diet resulted in similar microbiota composition, metabolic functionality, and CH4 yield. Further studies are warranted to investigate the effect of different diets and environments on the composition and metabolic functionality of the rumen microbiota.
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Affiliation(s)
- Pradeep K. Malik
- ICAR-National Institute of Animal Nutrition and Physiology, Bangalore, India
| | - Shraddha Trivedi
- International Livestock Research Institute, South Asia Regional Office, New Delhi, India
| | - Atul P. Kolte
- ICAR-National Institute of Animal Nutrition and Physiology, Bangalore, India
| | - Archit Mohapatra
- ICAR-National Institute of Animal Nutrition and Physiology, Bangalore, India
| | - Siddharth Biswas
- ICAR-National Institute of Animal Nutrition and Physiology, Bangalore, India
| | | | - Raghavendra Bhatta
- ICAR-National Institute of Animal Nutrition and Physiology, Bangalore, India
| | - Habibar Rahman
- International Livestock Research Institute, South Asia Regional Office, New Delhi, India
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He T, Yi G, Li J, Wu Z, Guo Y, Sun F, Liu J, Tang C, Long S, Chen Z. Dietary Supplementation of Tannic Acid Promotes Performance of Beef Cattle via Alleviating Liver Lipid Peroxidation and Improving Glucose Metabolism and Rumen Fermentation. Antioxidants (Basel) 2023; 12:1774. [PMID: 37760076 PMCID: PMC10526014 DOI: 10.3390/antiox12091774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/07/2023] [Accepted: 09/11/2023] [Indexed: 09/29/2023] Open
Abstract
This study aimed to investigate the effects of dietary tannic acid (TAN) on the gas production, growth performance, antioxidant capacity, rumen microflora, and fermentation function of beef cattle through in vitro and in vivo experiments. TAN was evaluated at 0.15% (dry matter basis, DM) in the in vitro experiment and 0.20% (DM basis) in the animal feeding experiment. The in vitro results revealed that compared with control (CON, basal diet without TAN), the addition of TAN significantly increased the cumulative gas production and asymptotic gas production per 0.20 g dry matter substrate (p < 0.01), with a tendency to reduce methane concentration after 96 h of fermentation (p = 0.10). Furthermore, TAN supplementation significantly suppressed the relative abundance of Methanosphaera and Methanobacteriaceae in the fermentation fluid (LDA > 2.50, p < 0.05). The in vivo experiment showed that compared with CON, the dietary TAN significantly improved average daily gain (+0.15 kg/d), dressing percent (+1.30%), net meat percentage (+1.60%), and serum glucose concentration (+23.35%) of beef cattle (p < 0.05), while it also significantly reduced hepatic malondialdehyde contents by 25.69% (p = 0.02). Moreover, the TAN group showed significantly higher alpha diversity (p < 0.05) and increased relative abundance of Ruminococcus and Saccharomonas (LDA > 2.50, p < 0.05), while the relative abundance of Prevotellaceae in rumen microbial community was significantly decreased (p < 0.05) as compared to that of the CON group. In conclusion, the dietary supplementation of TAN could improve the growth and slaughter performance and health status of beef cattle, and these favorable effects might be attributed to its ability to alleviate liver lipid peroxidation, enhance glucose metabolism, and promote a balanced rumen microbiota for optimal fermentation.
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Affiliation(s)
- Tengfei He
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (T.H.); (G.Y.); (J.L.); (Z.W.); (Y.G.); (J.L.)
- State Key Laboratory of Animal Nutrition and Feeding, Beijing 100193, China
| | - Guang Yi
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (T.H.); (G.Y.); (J.L.); (Z.W.); (Y.G.); (J.L.)
- State Key Laboratory of Animal Nutrition and Feeding, Beijing 100193, China
| | - Jiangong Li
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (T.H.); (G.Y.); (J.L.); (Z.W.); (Y.G.); (J.L.)
- State Key Laboratory of Animal Nutrition and Feeding, Beijing 100193, China
| | - Zhenlong Wu
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (T.H.); (G.Y.); (J.L.); (Z.W.); (Y.G.); (J.L.)
- State Key Laboratory of Animal Nutrition and Feeding, Beijing 100193, China
| | - Yao Guo
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (T.H.); (G.Y.); (J.L.); (Z.W.); (Y.G.); (J.L.)
- State Key Laboratory of Animal Nutrition and Feeding, Beijing 100193, China
| | - Fang Sun
- Institute of Animal Huabandry, Hei Longjiang Academy of Agricultural Sciences, Harbin 150086, China;
| | - Jijun Liu
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (T.H.); (G.Y.); (J.L.); (Z.W.); (Y.G.); (J.L.)
- State Key Laboratory of Animal Nutrition and Feeding, Beijing 100193, China
| | | | - Shenfei Long
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (T.H.); (G.Y.); (J.L.); (Z.W.); (Y.G.); (J.L.)
- State Key Laboratory of Animal Nutrition and Feeding, Beijing 100193, China
| | - Zhaohui Chen
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (T.H.); (G.Y.); (J.L.); (Z.W.); (Y.G.); (J.L.)
- State Key Laboratory of Animal Nutrition and Feeding, Beijing 100193, China
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Volmer JG, McRae H, Morrison M. The evolving role of methanogenic archaea in mammalian microbiomes. Front Microbiol 2023; 14:1268451. [PMID: 37727289 PMCID: PMC10506414 DOI: 10.3389/fmicb.2023.1268451] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 08/18/2023] [Indexed: 09/21/2023] Open
Abstract
Methanogenic archaea (methanogens) represent a diverse group of microorganisms that inhabit various environmental and host-associated microbiomes. These organisms play an essential role in global carbon cycling given their ability to produce methane, a potent greenhouse gas, as a by-product of their energy production. Recent advances in culture-independent and -dependent studies have highlighted an increased prevalence of methanogens in the host-associated microbiome of diverse animal species. Moreover, there is increasing evidence that methanogens, and/or the methane they produce, may play a substantial role in human health and disease. This review addresses the expanding host-range and the emerging view of host-specific adaptations in methanogen biology and ecology, and the implications for host health and disease.
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Affiliation(s)
- James G. Volmer
- Centre for Microbiome Research, School of Biomedical Sciences, Queensland University of Technology (QUT), Translational Research Institute, Woolloongabba, QLD, Australia
| | - Harley McRae
- Faculty of Medicine, University of Queensland Frazer Institute, Translational Research Institute, Woolloongabba, QLD, Australia
| | - Mark Morrison
- Faculty of Medicine, University of Queensland Frazer Institute, Translational Research Institute, Woolloongabba, QLD, Australia
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