When Salt Meddles Between Plant, Soil, and Microorganisms

In extreme environments, the relationships between species are often exclusive and based on complex mechanisms. This review aims to give an overview of the microbial ecology of saline soils, but in particular of what is known about the interaction between plants and their soil microbiome, and the me...

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Main Authors: Anna Otlewska, Melania Migliore, Katarzyna Dybka-Stępień, Andrea Manfredini, Katarzyna Struszczyk-Świta, Rosario Napoli, Aneta Białkowska, Loredana Canfora, Flavia Pinzari
Format: Article
Language:English
Published: Frontiers Media S.A. 2020-09-01
Series:Frontiers in Plant Science
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fpls.2020.553087/full
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author Anna Otlewska
Melania Migliore
Katarzyna Dybka-Stępień
Andrea Manfredini
Katarzyna Struszczyk-Świta
Rosario Napoli
Aneta Białkowska
Loredana Canfora
Flavia Pinzari
author_facet Anna Otlewska
Melania Migliore
Katarzyna Dybka-Stępień
Andrea Manfredini
Katarzyna Struszczyk-Świta
Rosario Napoli
Aneta Białkowska
Loredana Canfora
Flavia Pinzari
author_sort Anna Otlewska
collection DOAJ
description In extreme environments, the relationships between species are often exclusive and based on complex mechanisms. This review aims to give an overview of the microbial ecology of saline soils, but in particular of what is known about the interaction between plants and their soil microbiome, and the mechanisms linked to higher resistance of some plants to harsh saline soil conditions. Agricultural soils affected by salinity is a matter of concern in many countries. Soil salinization is caused by readily soluble salts containing anions like chloride, sulphate and nitrate, as well as sodium and potassium cations. Salinity harms plants because it affects their photosynthesis, respiration, distribution of assimilates and causes wilting, drying, and death of entire organs. Despite these life-unfavorable conditions, saline soils are unique ecological niches inhabited by extremophilic microorganisms that have specific adaptation strategies. Important traits related to the resistance to salinity are also associated with the rhizosphere-microbiota and the endophytic compartments of plants. For some years now, there have been studies dedicated to the isolation and characterization of species of plants’ endophytes living in extreme environments. The metabolic and biotechnological potential of some of these microorganisms is promising. However, the selection of microorganisms capable of living in association with host plants and promoting their survival under stressful conditions is only just beginning. Understanding the mechanisms of these processes and the specificity of such interactions will allow us to focus our efforts on species that can potentially be used as beneficial bioinoculants for crops.
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spelling doaj.art-aaad031ecc8541119c6951ed2711897e2022-12-22T00:40:03ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2020-09-011110.3389/fpls.2020.553087553087When Salt Meddles Between Plant, Soil, and MicroorganismsAnna Otlewska0Melania Migliore1Katarzyna Dybka-Stępień2Andrea Manfredini3Katarzyna Struszczyk-Świta4Rosario Napoli5Aneta Białkowska6Loredana Canfora7Flavia Pinzari8Faculty of Biotechnology and Food Sciences, Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Lodz, PolandResearch Centre for Agriculture and Environment, Council for Agricultural Research and Economics, Rome, ItalyFaculty of Biotechnology and Food Sciences, Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Lodz, PolandResearch Centre for Agriculture and Environment, Council for Agricultural Research and Economics, Rome, ItalyFaculty of Biotechnology and Food Sciences, Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, Lodz, PolandResearch Centre for Agriculture and Environment, Council for Agricultural Research and Economics, Rome, ItalyFaculty of Biotechnology and Food Sciences, Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, Lodz, PolandResearch Centre for Agriculture and Environment, Council for Agricultural Research and Economics, Rome, Italy Institute for Biological Systems, Council of National Research of Italy (CNR), Rome, ItalyIn extreme environments, the relationships between species are often exclusive and based on complex mechanisms. This review aims to give an overview of the microbial ecology of saline soils, but in particular of what is known about the interaction between plants and their soil microbiome, and the mechanisms linked to higher resistance of some plants to harsh saline soil conditions. Agricultural soils affected by salinity is a matter of concern in many countries. Soil salinization is caused by readily soluble salts containing anions like chloride, sulphate and nitrate, as well as sodium and potassium cations. Salinity harms plants because it affects their photosynthesis, respiration, distribution of assimilates and causes wilting, drying, and death of entire organs. Despite these life-unfavorable conditions, saline soils are unique ecological niches inhabited by extremophilic microorganisms that have specific adaptation strategies. Important traits related to the resistance to salinity are also associated with the rhizosphere-microbiota and the endophytic compartments of plants. For some years now, there have been studies dedicated to the isolation and characterization of species of plants’ endophytes living in extreme environments. The metabolic and biotechnological potential of some of these microorganisms is promising. However, the selection of microorganisms capable of living in association with host plants and promoting their survival under stressful conditions is only just beginning. Understanding the mechanisms of these processes and the specificity of such interactions will allow us to focus our efforts on species that can potentially be used as beneficial bioinoculants for crops.https://www.frontiersin.org/article/10.3389/fpls.2020.553087/fullextreme environmenthalophilic microorganismsendophytesPGPR—plant growth-promoting rhizobacteriaagriculturemicrobial metabolism
spellingShingle Anna Otlewska
Melania Migliore
Katarzyna Dybka-Stępień
Andrea Manfredini
Katarzyna Struszczyk-Świta
Rosario Napoli
Aneta Białkowska
Loredana Canfora
Flavia Pinzari
When Salt Meddles Between Plant, Soil, and Microorganisms
Frontiers in Plant Science
extreme environment
halophilic microorganisms
endophytes
PGPR—plant growth-promoting rhizobacteria
agriculture
microbial metabolism
title When Salt Meddles Between Plant, Soil, and Microorganisms
title_full When Salt Meddles Between Plant, Soil, and Microorganisms
title_fullStr When Salt Meddles Between Plant, Soil, and Microorganisms
title_full_unstemmed When Salt Meddles Between Plant, Soil, and Microorganisms
title_short When Salt Meddles Between Plant, Soil, and Microorganisms
title_sort when salt meddles between plant soil and microorganisms
topic extreme environment
halophilic microorganisms
endophytes
PGPR—plant growth-promoting rhizobacteria
agriculture
microbial metabolism
url https://www.frontiersin.org/article/10.3389/fpls.2020.553087/full
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