Genomic analysis of the histidine kinase family in bacteria and archaea

Article Abstract:

The histidine kinase (HK) family in bacteria and archaea has been studied using genomic analysis. Archeal genomes had either a specific HK type or no HKs at all, but several bacterial genomes had all five HK types. Findings suggest different HK types originated in bacteria. It appears that specific HK types went into archaea by horizontal gene transfer.

United States, Reports, Cellular signal transduction, Cytochemistry, Phylogeny, Cladistic analysis, Protein kinases, Archaeabacteria, Microbiological research, Archaea

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Physical and genetic map of the Clostridium saccharobutylicum (formerly Clostridium acetobutylicum) NCP 262 chromosome

Article Abstract:

The genetic and physical map of the Clostridium saccharobutylicum (formerly Clostridium acetobutylicum and one of four distinct speicies of solvent-roducing clostridia able to ferment various carbohydrates to produce acetone and butanol) NCP 262 chromosome is discussed. Comparing the C. saccharobutylicum genetic map with those of several spore-forming bacteria show it to be the most similar to Clostridium perfringens and C. bijerinckii. The order of the gene in the gyrAG and rec A loci is conserved.

New Zealand, Physiological aspects, Clostridium, Chromosome mapping, Biochemical genetics, Microbiological chemistry, Organic compounds, Organic compound synthesis, Butanol, Acetone

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