How high do ion fluxes go? A re-evaluation of the two-mechanism model of K+ transport in plant roots
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- 作者：Devrim Coskuna ; devrim.coskun@mail.utoronto.ca" class="auth_mail" title="E-mail the corresponding author ; Dev T. Brittoa ; britto@utsc.utoronto.ca" class="auth_mail" title="E-mail the corresponding author ; Leon V. Kochianb ; lvk1@cornell.edu" class="auth_mail" title="E-mail the corresponding author ; Herbert J. Kronzuckera ; herbert.kronzucker@utoronto.ca" class="auth_mail" title="E-mail the corresponding author
- 关键词：Influx ; Efflux ; Radiotracer ; Channels ; Transporters ; Salinity ; Apoplast
- 刊名：Plant Science
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：243
- 期：Complete
- 页码：96-104
- 全文大小：1694 K
文摘
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A major revision of the two-mechanism model of K+ transport is proposed.
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Apoplastic tracer retention makes the low-affinity component appear linear.
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Like the high-affinity component, this component saturates at moderate values.
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This work offers, in addition, insight into Na+ transport under salt stress.