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Aerobic methanotrophy and co-occurrence networks of a tropical rainforest and oil palm plantations in Malaysia

Oil palm (OP) plantations are gradually replacing tropical rainforest in Malaysia, one of the largest palm oil producers globally. Conversion of lands to OP plantations has been associated with compositional shifts of the microbial community, with consequences on the greenhouse gas (GHG) emissions....

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Main Authors:	Ho, Adrian, Tan, Ali Kee Zuan, Mendes, Lucas W., Hyo, Jung Lee, Zulkeflee, Zufarzaana, van Dijk, Hester, Pil, Joo Kim, Horn, Marcus A.
Format:	Article
Published:	Springer 2021
Online Access:	http://psasir.upm.edu.my/id/eprint/95733/ https://link.springer.com/article/10.1007/s00248-021-01908-3
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id	my.upm.eprints.95733
record_format	eprints
spelling	my.upm.eprints.957332023-04-06T07:03:40Z http://psasir.upm.edu.my/id/eprint/95733/ Aerobic methanotrophy and co-occurrence networks of a tropical rainforest and oil palm plantations in Malaysia Ho, Adrian Tan, Ali Kee Zuan Mendes, Lucas W. Hyo, Jung Lee Zulkeflee, Zufarzaana van Dijk, Hester Pil, Joo Kim Horn, Marcus A. Oil palm (OP) plantations are gradually replacing tropical rainforest in Malaysia, one of the largest palm oil producers globally. Conversion of lands to OP plantations has been associated with compositional shifts of the microbial community, with consequences on the greenhouse gas (GHG) emissions. While the impact of the change in land use has recently been investigated for microorganisms involved in N2O emission, the response of the aerobic methanotrophs to OP agriculture remains to be determined. Here, we monitored the bacterial community composition, focusing on the aerobic methanotrophs, in OP agricultural soils since 2012, 2006, and 1993, as well as in a tropical rainforest, in 2019 and 2020. High-affinity methane uptake was confirmed, showing significantly lower rates in the OP plantations than in the tropical rainforest, but values increased with continuous OP agriculture. The bacterial, including the methanotrophic community composition, was modified with ongoing OP agriculture. The methanotrophic community composition was predominantly composed of unclassified methanotrophs, with the canonical (Methylocystis) and putative methanotrophs thought to catalyze high-affinity methane oxidation present at higher relative abundance in the oldest OP plantation. Results suggest that the methanotrophic community was relatively more stable within each site, exhibiting less temporal variations than the total bacterial community. Uncharacteristically, a 16S rRNA gene-based co-occurrence network analysis revealed a more complex and connected community in the OP agricultural soil, which may influence the resilience of the bacterial community to disturbances. Overall, we provide a first insight into the ecology and role of the aerobic methanotrophs as a methane sink in OP agricultural soils. Springer 2021 Article PeerReviewed Ho, Adrian and Tan, Ali Kee Zuan and Mendes, Lucas W. and Hyo, Jung Lee and Zulkeflee, Zufarzaana and van Dijk, Hester and Pil, Joo Kim and Horn, Marcus A. (2021) Aerobic methanotrophy and co-occurrence networks of a tropical rainforest and oil palm plantations in Malaysia. Microbial Ecology, 84. pp. 1154-1165. ISSN 0095-3628; ESSN: 1432-184X https://link.springer.com/article/10.1007/s00248-021-01908-3 10.1007/s00248-021-01908-3
institution	Universiti Putra Malaysia
building	UPM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Putra Malaysia
content_source	UPM Institutional Repository
url_provider	http://psasir.upm.edu.my/
description	Oil palm (OP) plantations are gradually replacing tropical rainforest in Malaysia, one of the largest palm oil producers globally. Conversion of lands to OP plantations has been associated with compositional shifts of the microbial community, with consequences on the greenhouse gas (GHG) emissions. While the impact of the change in land use has recently been investigated for microorganisms involved in N2O emission, the response of the aerobic methanotrophs to OP agriculture remains to be determined. Here, we monitored the bacterial community composition, focusing on the aerobic methanotrophs, in OP agricultural soils since 2012, 2006, and 1993, as well as in a tropical rainforest, in 2019 and 2020. High-affinity methane uptake was confirmed, showing significantly lower rates in the OP plantations than in the tropical rainforest, but values increased with continuous OP agriculture. The bacterial, including the methanotrophic community composition, was modified with ongoing OP agriculture. The methanotrophic community composition was predominantly composed of unclassified methanotrophs, with the canonical (Methylocystis) and putative methanotrophs thought to catalyze high-affinity methane oxidation present at higher relative abundance in the oldest OP plantation. Results suggest that the methanotrophic community was relatively more stable within each site, exhibiting less temporal variations than the total bacterial community. Uncharacteristically, a 16S rRNA gene-based co-occurrence network analysis revealed a more complex and connected community in the OP agricultural soil, which may influence the resilience of the bacterial community to disturbances. Overall, we provide a first insight into the ecology and role of the aerobic methanotrophs as a methane sink in OP agricultural soils.
format	Article
author	Ho, Adrian Tan, Ali Kee Zuan Mendes, Lucas W. Hyo, Jung Lee Zulkeflee, Zufarzaana van Dijk, Hester Pil, Joo Kim Horn, Marcus A.
spellingShingle	Ho, Adrian Tan, Ali Kee Zuan Mendes, Lucas W. Hyo, Jung Lee Zulkeflee, Zufarzaana van Dijk, Hester Pil, Joo Kim Horn, Marcus A. Aerobic methanotrophy and co-occurrence networks of a tropical rainforest and oil palm plantations in Malaysia
author_facet	Ho, Adrian Tan, Ali Kee Zuan Mendes, Lucas W. Hyo, Jung Lee Zulkeflee, Zufarzaana van Dijk, Hester Pil, Joo Kim Horn, Marcus A.
author_sort	Ho, Adrian
title	Aerobic methanotrophy and co-occurrence networks of a tropical rainforest and oil palm plantations in Malaysia
title_short	Aerobic methanotrophy and co-occurrence networks of a tropical rainforest and oil palm plantations in Malaysia
title_full	Aerobic methanotrophy and co-occurrence networks of a tropical rainforest and oil palm plantations in Malaysia
title_fullStr	Aerobic methanotrophy and co-occurrence networks of a tropical rainforest and oil palm plantations in Malaysia
title_full_unstemmed	Aerobic methanotrophy and co-occurrence networks of a tropical rainforest and oil palm plantations in Malaysia
title_sort	aerobic methanotrophy and co-occurrence networks of a tropical rainforest and oil palm plantations in malaysia
publisher	Springer
publishDate	2021
url	http://psasir.upm.edu.my/id/eprint/95733/ https://link.springer.com/article/10.1007/s00248-021-01908-3
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score	13.223943

Aerobic methanotrophy and co-occurrence networks of a tropical rainforest and oil palm plantations in Malaysia

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