TY - JOUR
T1 - Ammonium toxicity and the real cost of transport
AU - Kronzucker, Herbert J.
AU - Britto, Dev T.
AU - Davenport, Romola J.
AU - Tester, Mark
PY - 2001
Y1 - 2001
N2 - Recently, 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.
AB - Recently, 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.
UR - http://www.scopus.com/inward/record.url?scp=0035212718&partnerID=8YFLogxK
U2 - 10.1016/S1360-1385(01)02022-2
DO - 10.1016/S1360-1385(01)02022-2
M3 - Review article
C2 - 11495764
AN - SCOPUS:0035212718
SN - 1360-1385
VL - 6
SP - 335
EP - 337
JO - Trends in plant science
JF - Trends in plant science
IS - 8
ER -