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Mycoplasmas, plants, insect vectors: a matrimonial triangle.
Plant pathogenic mycoplasmas were discovered by electron microscopy, in 1967, long after the discovery and culture in 1898 of the first pathogenic mycoplasma of animal origin, Mycoplasma mycoides.Expand
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Fructose utilization and phytopathogenicity of Spiroplasma citri.
Spiroplasma citri is a plant-pathogenic mollicute. Recently, the so-called nonphytopathogenic S. citri mutant GMT 553 was obtained by insertion of transposon Tn4001 into the first gene of theExpand
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Fructose utilization and pathogenicity of Spiroplasma citri: characterization of the fructose operon.
Transposon Tn4001 mutagenesis of Spiroplasma citri wild-type (wt) strain GII-3 led to the isolation and characterization of non-phytopathogenic mutant GMT 553. In this mutant, transposon Tn4001 isExpand
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Mutagenesis by Insertion of Tn4001 into the Genome of Spiroplasma citri: Characterization of Mutants Affected in Plant Pathogenicity and Transmission to the Plant by the Leafhopper Vector Circulifer
Two hundred and fifty-seven transposon Tn4001 mutants of Spiroplasma citri strain GII3 were used for transmission assays by the leafhopper vector Circulifer haematoceps into periwinkle (CatharanthusExpand
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Partial Chromosome Sequence of Spiroplasma citri Reveals Extensive Viral Invasion and Important Gene Decay
ABSTRACT The assembly of 20,000 sequencing reads obtained from shotgun and chromosome-specific libraries of the Spiroplasma citri genome yielded 77 chromosomal contigs totaling 1,674 kbp (92%) of theExpand
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Characterization of Free Exopolysaccharides Secreted by Mycoplasma mycoides Subsp. mycoides
Contagious bovine pleuropneumonia is a severe respiratory disease of cattle that is caused by a bacterium of the Mycoplasma genus, namely Mycoplasma mycoides subsp. mycoides (Mmm). In the absence ofExpand
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Fructose operon mutants of Spiroplasma citri.
Fructose-negative mutants of Spiroplasma citri wild-type strain GII-3 were selected by two methods. The first method is based on the selection of spontaneous xylitol-resistant mutants, xylitol beingExpand
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Highly Dynamic Genomic Loci Drive the Synthesis of Two Types of Capsular or Secreted Polysaccharides within the Mycoplasma mycoides Cluster
ABSTRACT Mycoplasmas of the Mycoplasma mycoides cluster are all ruminant pathogens. Mycoplasma mycoides subsp. mycoides is responsible for contagious bovine pleuropneumonia and is known to produceExpand
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Gene Disruption by Homologous Recombination in the Xylella fastidiosa Citrus Variegated Chlorosis Strain
ABSTRACT Mutagenesis by homologous recombination was evaluated in Xylella fastidiosa by using the bga gene, coding for β-galactosidase, as a model. Integration of replicative plasmids by homologousExpand
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The unique organization of the rpoB region of Spiroplasma citri: a restriction and modification system gene is adjacent to rpoB.
A 6.5-kb DNA fragment containing the gene (rpoB) encoding the RNA polymerase (RNAP) beta subunit, from the mollicute Spiroplasma citri (Sc), was cloned and sequenced. The classical eubacterialExpand
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