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A 718-kb DNA sequence of the Escherichia coli K-12 genome corresponding to the 12.7-28.0 min region on the linkage map.

Author(s): A Honjo, M Kajihara, Celina T F Oshima, Rodrigo Nakamura, K. Kanai, H Aiba, Matthew Fujita, T Horiuchi, K Kashimoto, K Ikemoto, Esteban Masuda, Katsuyoshi Hayashi, Tomomi T. Baba, H Nashimoto, K Mizobuchi, Yasuhiko H. Mori, M. Kitagawa, Masanori Itoh, T Miki, T Inada, N Saito, Eliza Kimura, K Makino, Y. Nishio, K. Motomura

Publication date: 1996-06-30

Journal: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes

Keywords: DNA, Bacterial, Escherichia coli, genetics, Genetic Linkage, Genome, Bacterial, Molecular Sequence Data, Open Reading Frames

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Abstract

The 718,122 base pair sequence of the Escherichia coli K-12 genome corresponding to the region from 12.7 to 28.0 minutes on the genetic map is described. This region contains at least 681 potential open reading frames, of which 277 (41%) have been previously identified, 147 (22%) are homologous to other known genes, 139 (20%) are identical or similar to the hypothetical genes registered in databases, and the remaining 118 (17%) do not show a significant similarity to any other gene. In this region, we assigned a cluster of cit genes encoding multienzyme citrate lyase, two clusters of fimbrial genes and a set of lysogenic phage genes encoding integrase, excisionase and repressor in the e14 genetic element. In addition, a new valine tRNA gene, designated valZ, and a family of long directly repeated sequences, LDR-A, -B and -C, were found.