LotaV3, Main, Exploration, bibRecord, 000055

The role of mycorrhizal contribution to plant potassium nutrition

Identifieur interne : 000055 ( Main/Exploration ); précédent : 000054; suivant : 000056

The role of mycorrhizal contribution to plant potassium nutrition

Auteurs : Kevin Garcia [France] ; Sabine Zimmermann [France]

Source :

Frontiers in Plant Science [ 1664-462X ] ; 2014.

RBID : INRA:266304

Abstract

Potassium (K+) is one of the most abundant element of soil composition but its 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 still underestimated 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.

Url:

http://prodinra.inra.fr/record/266304

DOI: 10.3389/fpls.2014.00337

Affiliations:

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Le document en format XML

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<front><div type="abstract" xml:lang="en">Potassium (K+) is one of the most abundant element of soil composition but its 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 still underestimated 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.</div>
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The role of mycorrhizal contribution to plant potassium nutrition

The role of mycorrhizal contribution to plant potassium nutrition

Source :

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri