HCO3− Influx Across the Plasmalemma of Chara corallina
Open Access
- 1 December 1977
- journal article
- research article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 60 (6) , 862-867
- https://doi.org/10.1104/pp.60.6.862
Abstract
An absolute requirement for divalent cations is reported for H14CO3− influx in Chara corallina. Effective substitution of eluted Ca2+ by Mg2+ and Sr2+ was observed, but Mn2+ was completely ineffective in restoring H14CO3− transport activity. Similarly, La3+ could not substitute for Ca2+ in this system. Low concentrations of ethylenediaminetetraacetate (0.01 to 0.06 mm) significantly enhanced the rate at which H14CO3− transport capacity was lost.This publication has 14 references indexed in Scilit:
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