Microbiome Variation Across Populations of Desert Halophyte Zygophyllum qatarensis

Microbial symbionts play a significant role in plant health and stress tolerance. However, few studies exist that address rare species of core-microbiome function during abiotic stress. In the current study, we compared the microbiome composition of succulent dwarf shrub halophyte Zygophyllum qatare...

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Main Authors: Abdul Latif Khan, Lucas Dantas Lopes, Saqib Bilal, Sajjad Asaf, Kerri M. Crawford, Venkatesh Balan, Ahmed Al-Rawahi, Ahmed Al-Harrasi, Daniel P. Schachtman
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-03-01
Series:Frontiers in Plant Science
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fpls.2022.841217/full
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author Abdul Latif Khan
Abdul Latif Khan
Lucas Dantas Lopes
Saqib Bilal
Sajjad Asaf
Kerri M. Crawford
Venkatesh Balan
Ahmed Al-Rawahi
Ahmed Al-Harrasi
Daniel P. Schachtman
author_facet Abdul Latif Khan
Abdul Latif Khan
Lucas Dantas Lopes
Saqib Bilal
Sajjad Asaf
Kerri M. Crawford
Venkatesh Balan
Ahmed Al-Rawahi
Ahmed Al-Harrasi
Daniel P. Schachtman
author_sort Abdul Latif Khan
collection DOAJ
description Microbial symbionts play a significant role in plant health and stress tolerance. However, few studies exist that address rare species of core-microbiome function during abiotic stress. In the current study, we compared the microbiome composition of succulent dwarf shrub halophyte Zygophyllum qatarensis Hadidi across desert populations. The results showed that rhizospheric and endosphere microbiome greatly varied due to soil texture (sandy and gravel). No specific bacterial amplicon sequence variants were observed in the core-microbiome of bulk soil and rhizosphere, however, bacterial genus Alcaligenes and fungal genus Acidea were abundantly distributed across root and shoot endospheres. We also analyzed major nutrients such as silicon (Si), magnesium, and calcium across different soil textures and Z. qatarensis populations. The results showed that the rhizosphere and root parts had significantly higher Si content than the bulk soil and shoot parts. The microbiome variation can be attributed to markedly higher Si – suggesting that selective microbes are contributing to the translocation of soluble Si to root. In conclusion, low core-microbiome species abundance might be due to the harsh growing conditions in the desert – making Z. qatarensis highly selective to associate with microbial communities. Utilizing rare microbial players from plant microbiomes may be vital for increasing crop stress tolerance and productivity during stresses.
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spelling doaj.art-c9086a8306d94136817c353ed677873f2023-02-17T14:06:46ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2022-03-011310.3389/fpls.2022.841217841217Microbiome Variation Across Populations of Desert Halophyte Zygophyllum qatarensisAbdul Latif Khan0Abdul Latif Khan1Lucas Dantas Lopes2Saqib Bilal3Sajjad Asaf4Kerri M. Crawford5Venkatesh Balan6Ahmed Al-Rawahi7Ahmed Al-Harrasi8Daniel P. Schachtman9Department of Engineering Technology, College of Technology, University of Houston, Sugar Land, TX, United StatesNatural and Medical Sciences Research Centre, University of Nizwa, Nizwa, OmanDepartment of Agronomy and Horticulture, Centre for Plant Science Innovation, University of Nebraska-Lincoln, Lincoln, NE, United StatesNatural and Medical Sciences Research Centre, University of Nizwa, Nizwa, OmanNatural and Medical Sciences Research Centre, University of Nizwa, Nizwa, OmanDepartment of Biology and Biochemistry, College of Natural Science and Mathematics, University of Houston, Houston, TX, United StatesDepartment of Engineering Technology, College of Technology, University of Houston, Sugar Land, TX, United StatesNatural and Medical Sciences Research Centre, University of Nizwa, Nizwa, OmanNatural and Medical Sciences Research Centre, University of Nizwa, Nizwa, OmanDepartment of Agronomy and Horticulture, Centre for Plant Science Innovation, University of Nebraska-Lincoln, Lincoln, NE, United StatesMicrobial symbionts play a significant role in plant health and stress tolerance. However, few studies exist that address rare species of core-microbiome function during abiotic stress. In the current study, we compared the microbiome composition of succulent dwarf shrub halophyte Zygophyllum qatarensis Hadidi across desert populations. The results showed that rhizospheric and endosphere microbiome greatly varied due to soil texture (sandy and gravel). No specific bacterial amplicon sequence variants were observed in the core-microbiome of bulk soil and rhizosphere, however, bacterial genus Alcaligenes and fungal genus Acidea were abundantly distributed across root and shoot endospheres. We also analyzed major nutrients such as silicon (Si), magnesium, and calcium across different soil textures and Z. qatarensis populations. The results showed that the rhizosphere and root parts had significantly higher Si content than the bulk soil and shoot parts. The microbiome variation can be attributed to markedly higher Si – suggesting that selective microbes are contributing to the translocation of soluble Si to root. In conclusion, low core-microbiome species abundance might be due to the harsh growing conditions in the desert – making Z. qatarensis highly selective to associate with microbial communities. Utilizing rare microbial players from plant microbiomes may be vital for increasing crop stress tolerance and productivity during stresses.https://www.frontiersin.org/articles/10.3389/fpls.2022.841217/fullmicrobiomedesert succulentsZygophyllum qatarensismicrobial communitiesmicrobial diversitycore-microbiome
spellingShingle Abdul Latif Khan
Abdul Latif Khan
Lucas Dantas Lopes
Saqib Bilal
Sajjad Asaf
Kerri M. Crawford
Venkatesh Balan
Ahmed Al-Rawahi
Ahmed Al-Harrasi
Daniel P. Schachtman
Microbiome Variation Across Populations of Desert Halophyte Zygophyllum qatarensis
Frontiers in Plant Science
microbiome
desert succulents
Zygophyllum qatarensis
microbial communities
microbial diversity
core-microbiome
title Microbiome Variation Across Populations of Desert Halophyte Zygophyllum qatarensis
title_full Microbiome Variation Across Populations of Desert Halophyte Zygophyllum qatarensis
title_fullStr Microbiome Variation Across Populations of Desert Halophyte Zygophyllum qatarensis
title_full_unstemmed Microbiome Variation Across Populations of Desert Halophyte Zygophyllum qatarensis
title_short Microbiome Variation Across Populations of Desert Halophyte Zygophyllum qatarensis
title_sort microbiome variation across populations of desert halophyte zygophyllum qatarensis
topic microbiome
desert succulents
Zygophyllum qatarensis
microbial communities
microbial diversity
core-microbiome
url https://www.frontiersin.org/articles/10.3389/fpls.2022.841217/full
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