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  • Title: The lytA gene and the DNA region located downstream of this gene are not involved in the formation of the type 3 capsular polysaccharide of Streptococcus pneumoniae.
    Author: García E, Arrecubieta C, López R.
    Journal: Curr Microbiol; 1996 Aug; 33(2):133-5. PubMed ID: 8662175.
    Abstract:
    Streptococcus pneumoniae strain M31, an unencapsulated, serotype 2 (S2(-)) mutant having a deletion of at least 5.5 kb containing the gene lytA that encodes the main pneumococcal autolysin, was transformed to the encapsulated serotype 3 (S3(+)) with DNA from the clinical pneumococcal strain 406. Hybridization analysis revealed that the S3(+) transformants also have the deletion demonstrating that lytA and the DNA region located downstream of this gene are not involved in the encapsulation of S. pneumoniae.
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