Linkage map of Escherichia coli K-12, edition 10: the traditional map

Article Abstract:

A revision of the traditional map of Escherichia coli K-12, the linkage map of known genes and other functional sites is presented. It utilizes coordinates established by the competed sequence which is expressed as 100 minutes for the entire circular map, adds new genes discovered since 1996 and gets rid of those shown to correspond to other known genes. Other genes that are characterized by phenotype and older mapping techniques and are correlated with sequences are also included.

Chromosome mapping, Linkage (Genetics)

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Insertion sequences

Article Abstract:

Research was conducted to examine insertion sequences (IS) of bacterial genomes. The objective is to present a general overview of the organization and function of IS of eubacterial, archaebacterial and eukaryotic origins with emphasis on the different aspects of the transposition mechanism an on bacterial elements. Dendrograms for several of the families described are provided while the collection of IS in the database offers an effective starting point for phylogenetic analyses.

Insertion elements, DNA, DNA insertion elements

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Comparative biology of IncQ and IncQ-like plasmids

Article Abstract:

Escherichia coli incompatibility group Q (IncQ) and IncQ-like plasmids occur in a variety of bacteria and environment. Results suggest that the backbones of IncQ plasmids consist of G+C content to an extent of 60%, while those of IncQ-like plasmid backbones exhibit a mobilization region and a plasmid replication maintenance region.

Germany, South Africa, Statistical Data Included, Analysis, Plasmids, Genetic regulation

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