Primary structure of maize pyruvate, orthophosphate dikinase as deduced from cDNA sequence.
نویسندگان
چکیده
منابع مشابه
Cloning of cDNA for pyruvate, Pi dikinase from maize leaves.
To obtain molecular probes for studies of gene regulation in photosynthetic tissues of maize, we have cloned DNA complementary to poly(A)+RNA extracted from green leaves by insertion into plasmid pBR322 and transformation of E. coli, strain RR1. Colonies were screened by sequential hybridization with 32P-labeled single stranded cDNA synthesized from pooled aliquots of poly(A)+RNA fractionated b...
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Pyruvate orthophosphate dikinase (PPDK) was found in various immature seeds of C(3) plants (wheat, pea, green bean, plum, and castor bean), in some C(3) leaves (tobacco, spinach, sunflower, and wheat), and in C(4) (maize) kernels. The enzyme in the C(3) plants cross-reacts with rabbit antiserum against maize PPDK. Based on protein blot analysis, the apparent subunit size of PPDK from wheat seed...
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Pyruvate orthophosphate dikinase has been identified in the green grains of eight cereal grasses, most of which are classified as C(3) plants. The wheat (Triticum aestivum L. cv. Lerma Rojo) grain enzyme was further investigated: activity was low in very young grains, increased to a maximum at about 25 days after anthesis, then returned to a low level as the grain matured. It appeared to be loc...
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متن کاملMolecular mechanisms underlying the differential expression of maize pyruvate, orthophosphate dikinase genes.
I describe here the organization of maize C4 chloroplast and non-C4 cytosolic pyruvate, orthophosphate dikinase (PPDK) genes and the molecular mechanisms underlying their differential expression. The maize C4 chloroplast PPDK gene (C4ppdkZm1) appears to have been created by the addition of an exon encoding the chloroplast transit peptide at a site upstream of a cytosolic PPDK gene (cyppdkZm1). ...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1988
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)37924-9