Genomic organization of the entomopathogenic bacterium Bacillus thuringiensis subsp. berliner 1715
Article Abstract:
The physical and genetic mapping of Bacillus (B) thuringiensis subsp. berliner 1715 chromosome reveals 24 restriction enzyme sites and 28 probes. The genes are nonrandomly located on the 5.7 Mb chromosome. A comparison of the genetic maps of B. thuringiensis and B. cereus shows plasmid-encoded genes on the more variable half of the chromosome and rRNA genes and origin of replication on the other conserved half. The cryIA or Tn4430 probes' hybridization indicates large extrachromosomal DNA elements which show genome size to be at least 6.9 Mb.
Publication Name: Microbiology
Subject: Biological sciences
ISSN: 1350-0872
Year: 1996
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Agrobacterium tumefacies possesses a fourth flagellin gene located in a large gene cluster concerned with flagellar structure, assembly and motility
Article Abstract:
A study was conducted to analyze a fourth flagellin gene in a 21850 bp region of the Agrobacterium tumefaciens C58C1 chromosome supporting at least 20 genes concerned with flagellar structure, assembly and function. Three flagellin genes were positioned in a tandem array at the right end. Results indicated that the flagellins contribute to flagellar structure. In addition, FlA has an anomolous electrophoretic mobility that ma be due to glycosylation.
Publication Name: Microbiology
Subject: Biological sciences
ISSN: 1350-0872
Year: 1999
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Regulatory sequences of two flagellin genes in Bacillus thuringiensis subsp. alesti
Article Abstract:
An analysis of the transcription of two flagellin genes in Bacillus thuringiensis (Bt) 5 susp. alesti shows transcription from vegetative promoters during early- to mid-exponential growth phase. Several potential virulence factors were identified in Bt. Among them are phosphatidylcholine-degrading and phosphatidylinositol-specific C-type phospholipases, the beta-exotoxin thuringiensin, the immune inhibitor A and flagella.
Publication Name: Microbiology
Subject: Biological sciences
ISSN: 1350-0872
Year: 1996
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- Abstracts: A holistic approach for determining the entomopathogenic potential of Bacillus thuringiensis strains. Two tsetse fly species, Glossina palpalis gambiensis and Glossina morsitans morsitans, carry genetically distinct populations of the secondary symbiont Sodalis glossinidius
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