Linking prokaryotic community composition to carbon biogeochemical cycling across a tropical peat dome in Sarawak, Malaysia

Abstract Tropical peat swamp forest is a global store of carbon in a water-saturated, anoxic and acidic environment. This ecosystem holds diverse prokaryotic communities that play a major role in nutrient cycling. A study was conducted in which a total of 24 peat soil samples were collected in three...

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Autores principales:	Simon Peter Dom, Makoto Ikenaga, Sharon Yu Ling Lau, Son Radu, Frazer Midot, Mui Lan Yap, Mei-Yee Chin, Mei Lieng Lo, Mui Sie Jee, Nagamitsu Maie, Lulie Melling
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/bb685771ace047cdad9e0561d4e36f98
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spelling	oai:doaj.org-article:bb685771ace047cdad9e0561d4e36f982021-12-02T13:17:55ZLinking prokaryotic community composition to carbon biogeochemical cycling across a tropical peat dome in Sarawak, Malaysia10.1038/s41598-021-81865-62045-2322https://doaj.org/article/bb685771ace047cdad9e0561d4e36f982021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-81865-6https://doaj.org/toc/2045-2322Abstract Tropical peat swamp forest is a global store of carbon in a water-saturated, anoxic and acidic environment. This ecosystem holds diverse prokaryotic communities that play a major role in nutrient cycling. A study was conducted in which a total of 24 peat soil samples were collected in three forest types in a tropical peat dome in Sarawak, Malaysia namely, Mixed Peat Swamp (MPS), Alan Batu (ABt), and Alan Bunga (ABg) forests to profile the soil prokaryotic communities through meta 16S amplicon analysis using Illumina Miseq. Results showed these ecosystems were dominated by anaerobes and fermenters such as Acidobacteria, Proteobacteria, Actinobacteria and Firmicutes that cover 80–90% of the total prokaryotic abundance. Overall, the microbial community composition was different amongst forest types and depths. Additionally, this study highlighted the prokaryotic communities’ composition in MPS was driven by higher humification level and lower pH whereas in ABt and ABg, the less acidic condition and higher organic matter content were the main factors. It was also observed that prokaryotic diversity and abundance were higher in the more oligotrophic ABt and ABg forest despite the constantly waterlogged condition. In MPS, the methanotroph Methylovirgula ligni was found to be the major species in this forest type that utilize methane (CH4), which could potentially be the contributing factor to the low CH4 gas emissions. Aquitalea magnusonii and Paraburkholderia oxyphila, which can degrade aromatic compounds, were the major species in ABt and ABg forests respectively. This information can be advantageous for future study in understanding the underlying mechanisms of environmental-driven alterations in soil microbial communities and its potential implications on biogeochemical processes in relation to peatland management.Simon Peter DomMakoto IkenagaSharon Yu Ling LauSon RaduFrazer MidotMui Lan YapMei-Yee ChinMei Lieng LoMui Sie JeeNagamitsu MaieLulie MellingNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-19 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Simon Peter Dom Makoto Ikenaga Sharon Yu Ling Lau Son Radu Frazer Midot Mui Lan Yap Mei-Yee Chin Mei Lieng Lo Mui Sie Jee Nagamitsu Maie Lulie Melling Linking prokaryotic community composition to carbon biogeochemical cycling across a tropical peat dome in Sarawak, Malaysia
description	Abstract Tropical peat swamp forest is a global store of carbon in a water-saturated, anoxic and acidic environment. This ecosystem holds diverse prokaryotic communities that play a major role in nutrient cycling. A study was conducted in which a total of 24 peat soil samples were collected in three forest types in a tropical peat dome in Sarawak, Malaysia namely, Mixed Peat Swamp (MPS), Alan Batu (ABt), and Alan Bunga (ABg) forests to profile the soil prokaryotic communities through meta 16S amplicon analysis using Illumina Miseq. Results showed these ecosystems were dominated by anaerobes and fermenters such as Acidobacteria, Proteobacteria, Actinobacteria and Firmicutes that cover 80–90% of the total prokaryotic abundance. Overall, the microbial community composition was different amongst forest types and depths. Additionally, this study highlighted the prokaryotic communities’ composition in MPS was driven by higher humification level and lower pH whereas in ABt and ABg, the less acidic condition and higher organic matter content were the main factors. It was also observed that prokaryotic diversity and abundance were higher in the more oligotrophic ABt and ABg forest despite the constantly waterlogged condition. In MPS, the methanotroph Methylovirgula ligni was found to be the major species in this forest type that utilize methane (CH4), which could potentially be the contributing factor to the low CH4 gas emissions. Aquitalea magnusonii and Paraburkholderia oxyphila, which can degrade aromatic compounds, were the major species in ABt and ABg forests respectively. This information can be advantageous for future study in understanding the underlying mechanisms of environmental-driven alterations in soil microbial communities and its potential implications on biogeochemical processes in relation to peatland management.
format	article
author	Simon Peter Dom Makoto Ikenaga Sharon Yu Ling Lau Son Radu Frazer Midot Mui Lan Yap Mei-Yee Chin Mei Lieng Lo Mui Sie Jee Nagamitsu Maie Lulie Melling
author_facet	Simon Peter Dom Makoto Ikenaga Sharon Yu Ling Lau Son Radu Frazer Midot Mui Lan Yap Mei-Yee Chin Mei Lieng Lo Mui Sie Jee Nagamitsu Maie Lulie Melling
author_sort	Simon Peter Dom
title	Linking prokaryotic community composition to carbon biogeochemical cycling across a tropical peat dome in Sarawak, Malaysia
title_short	Linking prokaryotic community composition to carbon biogeochemical cycling across a tropical peat dome in Sarawak, Malaysia
title_full	Linking prokaryotic community composition to carbon biogeochemical cycling across a tropical peat dome in Sarawak, Malaysia
title_fullStr	Linking prokaryotic community composition to carbon biogeochemical cycling across a tropical peat dome in Sarawak, Malaysia
title_full_unstemmed	Linking prokaryotic community composition to carbon biogeochemical cycling across a tropical peat dome in Sarawak, Malaysia
title_sort	linking prokaryotic community composition to carbon biogeochemical cycling across a tropical peat dome in sarawak, malaysia
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/bb685771ace047cdad9e0561d4e36f98
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Linking prokaryotic community composition to carbon biogeochemical cycling across a tropical peat dome in Sarawak, Malaysia

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