2000
DOI: 10.1016/s0168-9452(00)00234-x
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Accumulation of ammonium in rice leaves in response to excess cadmium

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Cited by 63 publications
(30 citation statements)
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“…3B). Moreover, the reduction in GS activity further increased NH 4 + accumulation (Chien and Kao 2000). A significantly negative relationship between the NH 4 + concentration and the GS activity for both cultivars supports this hypothesis.…”
Section: Discussionsupporting
confidence: 62%
See 1 more Smart Citation
“…3B). Moreover, the reduction in GS activity further increased NH 4 + accumulation (Chien and Kao 2000). A significantly negative relationship between the NH 4 + concentration and the GS activity for both cultivars supports this hypothesis.…”
Section: Discussionsupporting
confidence: 62%
“…However, how stress influences assimilation differs with species and cultivars, as well as with the type of stress (Lutts et al 1999;Chien and Kao 2000;Kumar et al 2000;Llorens et al 2000;Demirevska-Kepova et al 2004). High temperature stress is one of the major constraints affecting plant growth and development, while reports on the effect of high temperature stress on ammonium assimilation are rare (Kuznetsov et al 1999).…”
Section: Introductionmentioning
confidence: 99%
“…Similar changes have been reported for fescue (Festuca arundinacea) under high temperature stress (Cui et al, 2006). The decrease in GS activity under temperature stress might inhibit NO3 -reduction and NH4 + assimilation (Chien and Kao, 2000) and consequently, force a large number of electrons to enter into the TCA via NADP + , i.e., feedback inhibited the normal process of this pathway. Such feedback inhibition on the TCA would lead to excessive accumulation of electrons and produce a series of reactive oxygen species, resulting in aggravated membrane peroxidation.…”
Section: Discussionsupporting
confidence: 75%
“…MDA, routinely used as an indicator of lipid peroxidation, was extracted with 5% (w/v) trichloroacetic acid and determined according to Heath and Packer (1968). NH 4 + was extracted and its concentration determined as described previously (Chien and Kao 2000).…”
Section: Plant Materials and Chemicalsmentioning
confidence: 99%