Fish Pathology
Online ISSN : 1881-7335
Print ISSN : 0388-788X
ISSN-L : 0388-788X
Short Communication
A Multiplex PCR Assay for Different-iation of Streptococcus parauberis Serotypes
Chuandeng TuKoushirou SugaKinya Kanai
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JOURNAL FREE ACCESS

2015 Volume 50 Issue 4 Pages 213-215

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Abstract

A multiplex PCR assay for differentiation of Streptococcus parauberis serotypes was developed. The three primer pairs for subserotypes Ia and Ib/Ic and serotype II were designed from the serotype-specific sequences of the wzy gene in the loci for capsular polysaccharide biosynthesis. All of 188 S. parauberis isolates from Japanese flounder showed positive reaction with the expected size of PCR product for each serotype, which was consistent with the results of agglutination test using rabbit antisera. The nontypeable isolates, which are not differentiated by agglutination test, could be identified as subserotype Ib/Ic or serotype II. Other streptococci including S. parauberis derived from cow and major bacterial fish pathogens showed negative reaction.

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© 2015 The Japanese Society of Fish Pathology
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