Abstract
The aggregation phenotypes Agr+ and Agr- of Bacillus thuringiensis subsp. israelensis are correlated with a conjugation-like plasmid transfer and characterized by the formation of aggregates when the bacteria are socialized during exponential growth. We present evidence for the association of the Agr+ phenotype with the presence of the large (135-MDa) self-transmissible plasmid pXO16.
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Selected References
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