Proline biosynthesis and osmoregulation in plants
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چکیده
منابع مشابه
Biosynthesis of Proline in Pseudomonas
y-Glutamyl phosphate reductase, the second enzyme of proline biosynthesis, catalyses the formation of L-glutamic acid 5-semialdehyde from y-glutamyl phosphate with NAD(P)H as cofactor. It was purified 150-fold from crude extracts of Pseudomonas aeruginosa PAO 1 by DEAE-cellulose chromatography and hydroxyapatite adsorption chromatography. The partially purified preparation, when assayed in the ...
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Proline metabolism is linked to hyperprolinemia, schizophrenia, cutis laxa, and cancer. In the latter case, tumor cells tend to rely on proline biosynthesis rather than salvage. Proline is synthesized from either glutamate or ornithine; both are converted to pyrroline-5-carboxylate (P5C), and then to proline via pyrroline-5-carboxylate reductases (PYCRs). Here, the role of three isozymic versio...
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P. B. Kavi Kishor*, S. Sangam, R. N. Amrutha, P. Sri Laxmi, K. R. Naidu, K. R. S. S. Rao, Sreenath Rao, K. J. Reddy, P. Theriappan and N. Sreenivasulu Department of Genetics, and Department of Botany, Osmania University, Hyderabad 500 007, India Department of Botany, and Centre for Biotechnology, Nagarjuna University, Nagarjuna Nagar 522 510, India Department of Botany, Gulbarga University, Gul...
متن کاملProline biosynthesis and degradation in mammalian cells and tissue.
Radioisotopic assays have been developed for the enzymes of proline metabolism. These assays are specific and sensitive enough to measure enzyme activities in cultured cells and biopsy specimens. Measurements of these enzymes in tissues and cultured cells suggest that endogenous biosynthesis of proline may be an important source of this amino acid.
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ژورنال
عنوان ژورنال: The Plant Journal
سال: 1993
ISSN: 0960-7412,1365-313X
DOI: 10.1046/j.1365-313x.1993.04020215.x