Bacterial community diversity in the rhizosphere of nickel hyperaccumulator plant species from Borneo Island (Malaysia)

The Island of Borneo is a major biodiversity hotspot, and in the Malaysian state of Sabah, ultramafic soils are extensive and home to more than 31 endemic nickel hyperaccumulator plants. The aim of this study was to characterize the structure and the diversity of the rhizosphere bacterial communitie...

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Main Authors: Séverine Lopez, Antony van der Ent, Sukaibin Sumail, John B. Sugau, Matsain Mohd Buang, Zarina Amin, Guillaume Echevarria, Jean Louis Morel, Emile Benizri
Format: Article
Language:English
Published: 2020
Subjects:
Online Access:https://eprints.ums.edu.my/id/eprint/26147/1/Bacterial%20community%20diversity%20in%20the%20rhizosphere%20of%20nickel%20hyperaccumulator%20plant%20species%20from%20Borneo%20Island%20%28Malaysia%29.pdf
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author Séverine Lopez
Antony van der Ent
Sukaibin Sumail
John B. Sugau
Matsain Mohd Buang
Zarina Amin
Guillaume Echevarria
Jean Louis Morel
Emile Benizri
author_facet Séverine Lopez
Antony van der Ent
Sukaibin Sumail
John B. Sugau
Matsain Mohd Buang
Zarina Amin
Guillaume Echevarria
Jean Louis Morel
Emile Benizri
author_sort Séverine Lopez
collection UMS
description The Island of Borneo is a major biodiversity hotspot, and in the Malaysian state of Sabah, ultramafic soils are extensive and home to more than 31 endemic nickel hyperaccumulator plants. The aim of this study was to characterize the structure and the diversity of the rhizosphere bacterial communities of several of these nickel hyperaccumulator plants and factors that affect these bacterial communities in Sabah. The most abundant phyla were Proteobacteria, Acidobacteria and Actinobacteria. At family level, Burkholderiaceae and Xanthobacteraceae (Proteobacteria phylum) were the most abundant families in the hyperaccumulator rhizospheres. Redundancy analysis based on soil chemical analyses and relative abundances of the major bacterial phyla showed that abiotic factors of the studied sites drove the bacterial diversity. For all R. aff. bengalensis rhizosphere soil samples, irrespective of studied site, the bacterial diversity was similar. Moreover, the Saprospiraceae family showed a high representativeness in the R. aff. bengalensis rhizosphere soils and was linked with the nickel availability in soils. The ability of R. aff. bengalensis to concentrate nickel in its rhizosphere appears to be the major factor driving the rhizobacterial community diversity unlike for other hyperaccumulator species.
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spelling ums.eprints-261472020-10-21T08:56:00Z https://eprints.ums.edu.my/id/eprint/26147/ Bacterial community diversity in the rhizosphere of nickel hyperaccumulator plant species from Borneo Island (Malaysia) Séverine Lopez Antony van der Ent Sukaibin Sumail John B. Sugau Matsain Mohd Buang Zarina Amin Guillaume Echevarria Jean Louis Morel Emile Benizri Q Science (General) QH301-705.5 Biology (General) The Island of Borneo is a major biodiversity hotspot, and in the Malaysian state of Sabah, ultramafic soils are extensive and home to more than 31 endemic nickel hyperaccumulator plants. The aim of this study was to characterize the structure and the diversity of the rhizosphere bacterial communities of several of these nickel hyperaccumulator plants and factors that affect these bacterial communities in Sabah. The most abundant phyla were Proteobacteria, Acidobacteria and Actinobacteria. At family level, Burkholderiaceae and Xanthobacteraceae (Proteobacteria phylum) were the most abundant families in the hyperaccumulator rhizospheres. Redundancy analysis based on soil chemical analyses and relative abundances of the major bacterial phyla showed that abiotic factors of the studied sites drove the bacterial diversity. For all R. aff. bengalensis rhizosphere soil samples, irrespective of studied site, the bacterial diversity was similar. Moreover, the Saprospiraceae family showed a high representativeness in the R. aff. bengalensis rhizosphere soils and was linked with the nickel availability in soils. The ability of R. aff. bengalensis to concentrate nickel in its rhizosphere appears to be the major factor driving the rhizobacterial community diversity unlike for other hyperaccumulator species. 2020 Article PeerReviewed text en https://eprints.ums.edu.my/id/eprint/26147/1/Bacterial%20community%20diversity%20in%20the%20rhizosphere%20of%20nickel%20hyperaccumulator%20plant%20species%20from%20Borneo%20Island%20%28Malaysia%29.pdf Séverine Lopez and Antony van der Ent and Sukaibin Sumail and John B. Sugau and Matsain Mohd Buang and Zarina Amin and Guillaume Echevarria and Jean Louis Morel and Emile Benizri (2020) Bacterial community diversity in the rhizosphere of nickel hyperaccumulator plant species from Borneo Island (Malaysia). Environmental Microbiology, 22 (4). pp. 1649-1665. https://doi.org/10.1111/1462-2920.14970
spellingShingle Q Science (General)
QH301-705.5 Biology (General)
Séverine Lopez
Antony van der Ent
Sukaibin Sumail
John B. Sugau
Matsain Mohd Buang
Zarina Amin
Guillaume Echevarria
Jean Louis Morel
Emile Benizri
Bacterial community diversity in the rhizosphere of nickel hyperaccumulator plant species from Borneo Island (Malaysia)
title Bacterial community diversity in the rhizosphere of nickel hyperaccumulator plant species from Borneo Island (Malaysia)
title_full Bacterial community diversity in the rhizosphere of nickel hyperaccumulator plant species from Borneo Island (Malaysia)
title_fullStr Bacterial community diversity in the rhizosphere of nickel hyperaccumulator plant species from Borneo Island (Malaysia)
title_full_unstemmed Bacterial community diversity in the rhizosphere of nickel hyperaccumulator plant species from Borneo Island (Malaysia)
title_short Bacterial community diversity in the rhizosphere of nickel hyperaccumulator plant species from Borneo Island (Malaysia)
title_sort bacterial community diversity in the rhizosphere of nickel hyperaccumulator plant species from borneo island malaysia
topic Q Science (General)
QH301-705.5 Biology (General)
url https://eprints.ums.edu.my/id/eprint/26147/1/Bacterial%20community%20diversity%20in%20the%20rhizosphere%20of%20nickel%20hyperaccumulator%20plant%20species%20from%20Borneo%20Island%20%28Malaysia%29.pdf
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