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The role of mycorrhizal associations in plant potassium nutrition

Journal Article · · Frontiers in Plant Science
 [1];  [2]
  1. Centre National de la Recherche Scientifique (CNRS), Montpellier (France). INRA/SupAgro/UM2. Biochimie et Physiologie Moleculaire des Plantes; DOE/OSTI
  2. Centre National de la Recherche Scientifique (CNRS), Montpellier (France). INRA/SupAgro/UM2. Biochimie et Physiologie Moleculaire des Plantes
Potassium (K+) is one of the most abundant elements of soil composition but it’s very low availability limits plant growth and productivity of ecosystems. Because this cation participates in many biological processes, its constitutive uptake from soil solution is crucial for the plant cell machinery. Thus, the understanding of strategies responsible of K+ nutrition is a major issue in plant science. Mycorrhizal associations occurring between roots and hyphae of underground fungi improve hydro-mineral nutrition of the majority of terrestrial plants. The contribution of this mutualistic symbiosis to the enhancement of plant K+ nutrition is not well understood and poorly studied so far. This mini-review examines the current knowledge about the impact of both arbuscular mycorrhizal and ectomycorrhizal symbioses on the transfer of K+ from the soil to the plants. A model summarizing plant and fungal transport systems identified and hypothetically involved in K+ transport is proposed. In addition, some data related to benefits for plants provided by the improvement of K+ nutrition thanks to mycorrhizal symbioses are presented.
Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER). Earth and Environmental Systems Science Division
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1628258
Journal Information:
Frontiers in Plant Science, Journal Name: Frontiers in Plant Science Vol. 5; ISSN 1664-462X
Publisher:
Frontiers Research FoundationCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (22)

Facilitation of phosphorus uptake in maize plants by mycorrhizosphere bacteria journal July 2017
Arbuscular Mycorrhizal Fungi as Natural Biofertilizers: Let's Benefit from Past Successes journal January 2016
The Potential Role of Arbuscular Mycorrhizal Fungi in the Restoration of Degraded Lands journal July 2016
Arbuscular mycorrhizal symbiosis and osmotic adjustment in response to NaCl stress: a meta-analysis journal October 2014
Molecular Cloning and Functional Analysis of a Na+-Insensitive K+ Transporter of Capsicum chinense Jacq journal December 2016
Arbuscular Mycorrhizal Fungus Rhizophagus irregularis Increased Potassium Content and Expression of Genes Encoding Potassium Channels in Lycium barbarum journal March 2017
The Role of Soil Fungi in K+ Plant Nutrition journal June 2019
The Protective Role of 28-Homobrassinolide and Glomus versiforme in Cucumber to Withstand Saline Stress journal December 2019
Distributions of ectomycorrhizal and foliar endophytic fungal communities associated with Pinus ponderosa along a spatially constrained elevation gradient journal April 2018
The combination of arbuscular mycorrhizal fungi inoculation (Glomus versiforme) and 28-homobrassinolide spraying intervals improves growth by enhancing photosynthesis, nutrient absorption, and antioxidant system in cucumber (Cucumis sativus L.) under sali journal May 2018
Ectomycorrhizal symbiosis helps plants to challenge salt stress conditions journal April 2019
Estimating the contribution of arbuscular mycorrhizal fungi to drought tolerance of potted olive trees (Olea europaea) journal April 2018
Abiotic soil attributes and their relation to morphological root characteristics and mycorrhizal colonization of grasses journal July 2018
Unearthing the roots of ectomycorrhizal symbioses journal October 2016
Effects of endophytic and ectomycorrhizal basidiomycetes on Quercus virginiana seedling growth and nutrient absorption journal January 2019
Plant potassium nutrition in ectomycorrhizal symbiosis: properties and roles of the three fungal TOK potassium channels in Hebeloma cylindrosporum: TOK potassium channels of an ectomycorrhizal fungus journal April 2018
Biological mobilization of potassium from soil by thirteen Suillus species and ectomycorrhizal Pinus massoniana Lamb. seedlings journal November 2019
Transcriptome Analysis Provides Novel Insights into the Capacity of the Ectomycorrhizal Fungus Amanita pantherina To Weather K-Containing Feldspar and Apatite journal May 2019
To trade in the field: the molecular determinants of arbuscular mycorrhiza nutrient exchange journal June 2019
Soil Physicochemical Properties and the Rhizosphere Soil Fungal Community in a Mulberry (Morus alba L.)/Alfalfa (Medicago sativa L.) Intercropping System journal February 2019
Diversity and Enzyme Activity of Ectomycorrhizal Fungal Communities Following Nitrogen Fertilization in an Urban-Adjacent Pine Plantation journal February 2018
Exodermis and Endodermis Respond to Nutrient Deficiency in Nutrient-Specific and Localized Manner journal February 2020

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