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    Genetic variation in comC, the gene encoding competence-stimulating peptide (CSP) in Streptococcus Mutans

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    Authors
    Allan, Elaine
    Hussain, Haitham A.
    Crawford, Kevin R.
    Miah, Shahjahan
    Ascott, Zoë K.
    Khwaja, Mahrukh H.
    Hosie, Arthur H.F.
    Issue Date
    2007
    Subjects
    Streptococcus mutans
    competence stimulating peptide
    genetic competence
    natural transformation
    Genetic diversity
    
    Metadata
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    Abstract
    The genetic variability in comC, the gene encoding the quorum-sensing molecule, competence-stimulating peptide (CSP) in Streptococcus mutans is reported. Seven comC alleles encoding three distinct mature CSPs were identified among 36 geographically diverse strains, although, compared with Streptococcus pneumoniae, the amount of predicted amino acid sequence variation is low. In agreement with other studies, significant variation was found in the natural competence for DNA uptake in these strains. However, there was no correlation between the CSP genotype and the ability to transform these strains. Representative strains encoding each of the CSP variants became competent in response to synthetic CSPs of each type. Therefore, in contrast to S. pneumoniae, comC alleles in S. mutans are functionally equivalent and there is no evidence of pherotype specificity.
    Citation
    Allan, E., Hussain, H.A., Crawford, K.R., Miah, S., Ascott, Z.K., Khwaja, M.H. and Hosie, A.H.F. (2007) 'Genetic variation in comC, the gene encoding competence-stimulating peptide (CSP) in Streptococcus Mutans', FEMS Microbiology Letters, 268(1),pp.47-51
    Publisher
    Blackwell Publishing
    Journal
    FEMS Microbiology Letters
    URI
    http://hdl.handle.net/10547/293985
    DOI
    10.1111/j.1574-6968.2006.00593.x
    Additional Links
    http://www.ncbi.nlm.nih.gov/pubmed/17229063
    Type
    Article
    Language
    en
    ISSN
    0378-1097
    1574-6968
    ae974a485f413a2113503eed53cd6c53
    10.1111/j.1574-6968.2006.00593.x
    Scopus Count
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    Cell and Cryobiology Research Group

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