PMID:3003520
| Citation |
Fukuda, R, Yano, R, Fukui, T, Hase, T, Ishihama, A and Matsubara, H (1985) Cloning of the Escherichia coli gene for the stringent starvation protein. Mol. Gen. Genet. 201:151-7 |
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| Abstract |
In order to clone the Escherichia coli gene for the stringent starvation protein (SSP), we determined its N-terminal sequence as well as the sequence of two peptide fragments obtained by cyanogen bromide cleavage of the protein. We then chemically synthesized four sets of oligodeoxyribonucleotide mixtures that represented possible codon combinations for parts of these amino acid sequences. The synthetic oligonucleotides were labelled with 32P at their 5'-termini and used as hybridization probes to detect DNA fragments containing the complementary sequences. Genomic Southern hybridization of E. coli chromosomal DNA gave up to ten DNA fragments hybridizing with each probe but only a few hybridized with two or more of the probes. The latter fragments were cloned in pBR322. By determining partial base sequences with a rapid method and examining proteins encoded by the DNA fragments, we were able to show that we had isolated a clone containing the complete SSP structural gene. |
| Links | |
| Keywords |
Amino Acid Sequence; Base Sequence; Cloning, Molecular; DNA Restriction Enzymes; DNA, Superhelical/genetics; Escherichia coli/genetics; GTP Pyrophosphokinase/genetics; Genes; Genes, Bacterial; Nucleic Acid Hybridization; Phosphotransferases/genetics; Plasmids |
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