Article
Chloroplast nitrite uptake is enhanced in Arabidopsis PII mutants.
FEBS letters - 2 Apr 2008
Ferrario-Méry Sylvie, Meyer Christian, Hodges Michael
Abstract excerpt
In higher plants, the PII protein is a nuclear-encoded plastid protein that regulates the activity of a key enzyme of arginine biosynthesis. We have previously observed that Arabidopsis PII mutants are more sensitive to nitrite toxicity. Using intact chloroplasts isolated from Arabidopsis leaves and (15)N-labelled nitrite we show that a light-dependent nitrite uptake into chloroplasts is increased in PII...
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