Bacillus caldolyticus prs gene encoding phosphoribosyldiphosphate synthase
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Bacillus caldolyticus prs gene encoding phosphoribosyldiphosphate synthase. / Krath, Britta N.; Hove-Jensen, Bjarne.
In: Gene, Vol. 176, No. 1-2, 1996, p. 73-79.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Bacillus caldolyticus prs gene encoding phosphoribosyldiphosphate synthase
AU - Krath, Britta N.
AU - Hove-Jensen, Bjarne
N1 - Author Keywords: N-Acetylglucosamine-l-phosphate uridyltransferase; cDNA; ctc; gcaD; Operon expression; Phosphoribosylpyrophosphate; Phosphoribosyl diphosphate; Thermophile; tms
PY - 1996
Y1 - 1996
N2 - The prs gene, encoding phosphoribosyl-diphosphate (PRPP) synthase, as well as the flanking DNA sequences were cloned and sequenced from the Gram-positive thermophile, Bacillus caldolyticus. Comparison with the homologous sequences from the mesophile, Bacillus subtilis, revealed a gene (gcaD) encoding N-acetylglucosamine-l-phosphate uridyltransferase upstream of prs, and a gene homologous to ctc downstream of prs. cDNA synthesis with a B. caldolyticus gcaD-prs-ctc-specified mRNA as template, followed by amplification utilising the polymerase chain reaction indicated that the three genes are co-transcribed. Comparison of amino acid sequences revealed a high similarity among PRPP synthases across a wide phylogenetic range. An E. coli strain harbouring the B. caldolyticus prs gene in a multicopy plasmid produced PRPP synthase activity 33-fold over the activity of a haploid B. caldolyticus strain. B. caldolyticus PRPP synthase was resistant to heat treatment at 70°C to a much higher extent than PRPP synthase from B. subtilis
AB - The prs gene, encoding phosphoribosyl-diphosphate (PRPP) synthase, as well as the flanking DNA sequences were cloned and sequenced from the Gram-positive thermophile, Bacillus caldolyticus. Comparison with the homologous sequences from the mesophile, Bacillus subtilis, revealed a gene (gcaD) encoding N-acetylglucosamine-l-phosphate uridyltransferase upstream of prs, and a gene homologous to ctc downstream of prs. cDNA synthesis with a B. caldolyticus gcaD-prs-ctc-specified mRNA as template, followed by amplification utilising the polymerase chain reaction indicated that the three genes are co-transcribed. Comparison of amino acid sequences revealed a high similarity among PRPP synthases across a wide phylogenetic range. An E. coli strain harbouring the B. caldolyticus prs gene in a multicopy plasmid produced PRPP synthase activity 33-fold over the activity of a haploid B. caldolyticus strain. B. caldolyticus PRPP synthase was resistant to heat treatment at 70°C to a much higher extent than PRPP synthase from B. subtilis
U2 - 10.1016/0378-1119(96)00222-3
DO - 10.1016/0378-1119(96)00222-3
M3 - Journal article
VL - 176
SP - 73
EP - 79
JO - Gene
JF - Gene
SN - 0378-1119
IS - 1-2
ER -
ID: 2508365