Non-Specific Interactions of Rhizospheric Microbial Communities Support the Establishment of Mimosa acutistipula var. ferrea in an Amazon Rehabilitating Mineland

Mimosa acutistipula var. ferrea (Fabaceae) is endemic to ferruginous tropical rocky outcrops in the eastern Amazon, also known as canga. Canga are often associated with mining activities and are the target of protection and...

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Autores principales:	Paulo Henrique de Oliveira Costa, Sidney Vasconcelos do Nascimento, Hector Herrera, Markus Gastauer, Silvio Junio Ramos, Cecílio Frois Caldeira, Guilherme Oliveira, Rafael Borges da Silva Valadares
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	Amazon <i>canga</i> ecosystem iron mining mineland rehabilitation soil symbiosis Chemical technology TP1-1185 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/d830a5a660cb4464af19d8d323c92e11
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spelling	oai:doaj.org-article:d830a5a660cb4464af19d8d323c92e112021-11-25T18:52:07ZNon-Specific Interactions of Rhizospheric Microbial Communities Support the Establishment of <i>Mimosa acutistipula</i> var. <i>ferrea</i> in an Amazon Rehabilitating Mineland10.3390/pr91120792227-9717https://doaj.org/article/d830a5a660cb4464af19d8d323c92e112021-11-01T00:00:00Zhttps://www.mdpi.com/2227-9717/9/11/2079https://doaj.org/toc/2227-9717<i>Mimosa acutistipula</i> var. <i>ferrea</i> (Fabaceae) is endemic to ferruginous tropical rocky outcrops in the eastern Amazon, also known as <i>canga</i>. <i>Canga</i> are often associated with mining activities and are the target of protection and rehabilitation projects. <i>M. acutistipula</i> stands out in this biodiversity hotspot with high growth rates, even in rehabilitating minelands (RMs). However, little is known about the diversity of soil microorganisms interacting with <i>M. acutistipula</i> in <i>canga</i> and RMs. This study analyzed the rhizosphere-associated bacterial and fungal microbial communities associated with <i>M. acutistipula</i> growing in an RM and a native shrub <i>canga</i>. The fungal phylum Ascomycota was the dominant taxa identified in the rhizosphere of the <i>canga</i> (RA: 98.1) and RM (RA: 93.1). The bacterial phyla Proteobacteria (RA: 54.3) and Acidobacteria (RA: 56.2) were the dominant taxa identified in the rhizosphere in the <i>canga</i> and RM, respectively. Beneficial genera such as <i>Bradyrhizobium, Rhodoplanes,</i> and <i>Paraconiothyrium</i> were identified in the rhizosphere of <i>M. acutistipula</i> in both areas. However, the analyses showed that the fungal and bacterial diversity differed between the rhizosphere of the <i>canga</i> and RM, and that the microbial taxa adapted to the <i>canga</i> (i.e., <i>Rasamsonia</i>, <i>Scytalidium</i>, <i>Roseiarcus</i>, and <i>Rhodomicrobium</i>) were lacking in the RM. This influences the microbe-mediated soil processes, affecting long-term rehabilitation success. The results showed that <i>M. acutistipula</i> established non-specific interactions with soil microorganisms, including beneficial taxa such as nitrogen-fixing bacteria, mycorrhizal fungi, and other beneficial endophytes, well known for their importance in plant adaptation and survival. High levels of microbe association and a plant’s ability to recruit a wide range of soil microorganisms help to explain <i>M. acutistipula</i>’s success in rehabilitating minelands.Paulo Henrique de Oliveira CostaSidney Vasconcelos do NascimentoHector HerreraMarkus GastauerSilvio Junio RamosCecílio Frois CaldeiraGuilherme OliveiraRafael Borges da Silva ValadaresMDPI AGarticleAmazon<i>canga</i> ecosystemiron miningmineland rehabilitationsoilsymbiosisChemical technologyTP1-1185ChemistryQD1-999ENProcesses, Vol 9, Iss 2079, p 2079 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Amazon <i>canga</i> ecosystem iron mining mineland rehabilitation soil symbiosis Chemical technology TP1-1185 Chemistry QD1-999
spellingShingle	Amazon <i>canga</i> ecosystem iron mining mineland rehabilitation soil symbiosis Chemical technology TP1-1185 Chemistry QD1-999 Paulo Henrique de Oliveira Costa Sidney Vasconcelos do Nascimento Hector Herrera Markus Gastauer Silvio Junio Ramos Cecílio Frois Caldeira Guilherme Oliveira Rafael Borges da Silva Valadares Non-Specific Interactions of Rhizospheric Microbial Communities Support the Establishment of <i>Mimosa acutistipula</i> var. <i>ferrea</i> in an Amazon Rehabilitating Mineland
description	<i>Mimosa acutistipula</i> var. <i>ferrea</i> (Fabaceae) is endemic to ferruginous tropical rocky outcrops in the eastern Amazon, also known as <i>canga</i>. <i>Canga</i> are often associated with mining activities and are the target of protection and rehabilitation projects. <i>M. acutistipula</i> stands out in this biodiversity hotspot with high growth rates, even in rehabilitating minelands (RMs). However, little is known about the diversity of soil microorganisms interacting with <i>M. acutistipula</i> in <i>canga</i> and RMs. This study analyzed the rhizosphere-associated bacterial and fungal microbial communities associated with <i>M. acutistipula</i> growing in an RM and a native shrub <i>canga</i>. The fungal phylum Ascomycota was the dominant taxa identified in the rhizosphere of the <i>canga</i> (RA: 98.1) and RM (RA: 93.1). The bacterial phyla Proteobacteria (RA: 54.3) and Acidobacteria (RA: 56.2) were the dominant taxa identified in the rhizosphere in the <i>canga</i> and RM, respectively. Beneficial genera such as <i>Bradyrhizobium, Rhodoplanes,</i> and <i>Paraconiothyrium</i> were identified in the rhizosphere of <i>M. acutistipula</i> in both areas. However, the analyses showed that the fungal and bacterial diversity differed between the rhizosphere of the <i>canga</i> and RM, and that the microbial taxa adapted to the <i>canga</i> (i.e., <i>Rasamsonia</i>, <i>Scytalidium</i>, <i>Roseiarcus</i>, and <i>Rhodomicrobium</i>) were lacking in the RM. This influences the microbe-mediated soil processes, affecting long-term rehabilitation success. The results showed that <i>M. acutistipula</i> established non-specific interactions with soil microorganisms, including beneficial taxa such as nitrogen-fixing bacteria, mycorrhizal fungi, and other beneficial endophytes, well known for their importance in plant adaptation and survival. High levels of microbe association and a plant’s ability to recruit a wide range of soil microorganisms help to explain <i>M. acutistipula</i>’s success in rehabilitating minelands.
format	article
author	Paulo Henrique de Oliveira Costa Sidney Vasconcelos do Nascimento Hector Herrera Markus Gastauer Silvio Junio Ramos Cecílio Frois Caldeira Guilherme Oliveira Rafael Borges da Silva Valadares
author_facet	Paulo Henrique de Oliveira Costa Sidney Vasconcelos do Nascimento Hector Herrera Markus Gastauer Silvio Junio Ramos Cecílio Frois Caldeira Guilherme Oliveira Rafael Borges da Silva Valadares
author_sort	Paulo Henrique de Oliveira Costa
title	Non-Specific Interactions of Rhizospheric Microbial Communities Support the Establishment of <i>Mimosa acutistipula</i> var. <i>ferrea</i> in an Amazon Rehabilitating Mineland
title_short	Non-Specific Interactions of Rhizospheric Microbial Communities Support the Establishment of <i>Mimosa acutistipula</i> var. <i>ferrea</i> in an Amazon Rehabilitating Mineland
title_full	Non-Specific Interactions of Rhizospheric Microbial Communities Support the Establishment of <i>Mimosa acutistipula</i> var. <i>ferrea</i> in an Amazon Rehabilitating Mineland
title_fullStr	Non-Specific Interactions of Rhizospheric Microbial Communities Support the Establishment of <i>Mimosa acutistipula</i> var. <i>ferrea</i> in an Amazon Rehabilitating Mineland
title_full_unstemmed	Non-Specific Interactions of Rhizospheric Microbial Communities Support the Establishment of <i>Mimosa acutistipula</i> var. <i>ferrea</i> in an Amazon Rehabilitating Mineland
title_sort	non-specific interactions of rhizospheric microbial communities support the establishment of <i>mimosa acutistipula</i> var. <i>ferrea</i> in an amazon rehabilitating mineland
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/d830a5a660cb4464af19d8d323c92e11
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Non-Specific Interactions of Rhizospheric Microbial Communities Support the Establishment of <i>Mimosa acutistipula</i> var. <i>ferrea</i> in an Amazon Rehabilitating Mineland

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