Altered Levels of Proline Dehydrogenase Cause Hypersensitivity to Proline and Its Analogs in Arabidopsis
نویسندگان
چکیده
منابع مشابه
Altered levels of proline dehydrogenase cause hypersensitivity to proline and its analogs in Arabidopsis.
Pro dehydrogenase (PDH) catalyzes the first and rate-limiting step in the Pro catabolic pathway. In Arabidopsis, this enzyme is encoded by At-PDH. To investigate the role of Pro catabolism in plants, we generated transgenic Arabidopsis plants with altered levels of PDH by sense (PDH-S plants) and antisense (PDH-AS plants) strategies. Free Pro levels were reduced by up to 50% in PDH-S plants und...
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L-proline (Pro) catabolism is activated in plants recovering from abiotic stresses associated with water deprivation. In this catabolic pathway, Pro is converted to glutamate by two reactions catalyzed by proline dehydrogenase (ProDH) and Δ(1)-pyrroline-5-carboxylate dehydrogenase (P5CDH), with Δ(1)-pyrroline-5-carboxylate (P5C) as the intermediate. Alternatively, under certain conditions, the ...
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ژورنال
عنوان ژورنال: PLANT PHYSIOLOGY
سال: 2002
ISSN: 0032-0889
DOI: 10.1104/pp.128.1.73