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- Title
Physical and genetic map of the Pseudomonas fluorescens SBW25 chromosome.
- Authors
Rainey, P B; Bailey, M J
- Abstract
Pseudomonas fluorescens is a saprophytic bacterium commonly isolated from soil, water, and the surfaces and tissues of plants and animals. The species has important applications in biotechnology because it can enhance plant growth and protect crops against disease. A complete physical map of the 6.63 Mbp P. fluorescens SBW25 chromosome was constructed using data obtained from combinations of one- and two-dimensional electrophoresis of completely or partially digested chromosomal DNA with end labelling. In total, 139 restriction sites (15 PacI, 53 SpeI, 71 XbaI) were placed on the physical map and complete maps of the circular chromosome were obtained for both PacI and SpeI; only XbaI fragments linking SpeI fragments were positioned. The average resolution of restriction sites was 48 kbp. A genetic map was derived from the physical map by southern hybridization and 31 genes were positioned including oriC, rDNA operons (rnnA-E), recA, gacA, and pyvD.
- Publication
Molecular microbiology, 1996, Vol 19, Issue 3, p521
- ISSN
0950-382X
- Publication type
Journal Article
- DOI
10.1046/j.1365-2958.1996.391926.x