Ammonium toxicity and the real cost of transport

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dc.contributor.authorKronzucker, Herbert J.en
dc.contributor.authorBritto, Dev T.en
dc.contributor.authorDavenport, Romola J.en
dc.contributor.authorTester, Mark Alfreden
dc.contributor.schoolSchool of Agriculture, Food and Wine : Agricultural and Animal Scienceen
dc.date.issued2001en
dc.description.abstractRecently, it has been proposed that ammonium is toxic to barley because of the energetic cost of pumping ammonium that has leaked into root cells back into the soil. This does not occur in rice because high levels of ammonium reduce the potential difference across the plasma membrane of rice – whereas the potential difference in barley appears to be ammonium insensitive. These results highlight the potentially high costs of membrane transport, and thus the central importance of transport processes in plants.en
dc.description.urihttp://www.elsevier.com/wps/find/journaldescription.cws_home/30960/description#descriptionen
dc.identifier.citationTrends in Plant Science, 2001; 6 (8):335-337en
dc.identifier.doi10.1016/S1360-1385(01)02022-2en
dc.identifier.urihttp://hdl.handle.net/2440/40657
dc.language.isoenen
dc.publisherElsevieren
dc.subjectIon channels; ammonium flux; transport energetics; membrane potential; cellular energy balanceen
dc.titleAmmonium toxicity and the real cost of transporten
dc.typeJournal articleen

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