Plants and sodium ions: keeping company with the enemy

AUTOR(ES)

Pardo, Jose M

FONTE

BioMed Central

RESUMO

Plants face a dilemma about sodium metabolism. Uptake of ubiquitous sodium ions is desirable as a way to build osmotic potential, absorb water and sustain turgor, but excess sodium ions may be toxic. Information from a number of plant species about the proteins involved in sodium-ion uptake helps to explain how plants manage to take in just the right amount.

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