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April 15, 2014


Researchers Analyze DNA of Six Strains of Vibrio parahaemolyticus for AHPND/EMS


In this study, researchers sequenced three AHPND and three non-AHPND strains of Vibrio parahaemolyticus and found that all of them lacked the pathogenicity relevant to human infection.


To distinguish the pathogenic strains, researchers obtained the draft genome sequences of six strains of V. parahaemolyticus from different regions of Thailand: three from AHPND strains of diseased shrimp (Penaeus vannamei) and three from non-AHPND strains collected at different shrimp farms.  All strains were evaluated for their pathogenicity in living shrimps.  All shrimp showed symptoms of AHPND similar to those observed in natural infections.


Source: Genome Announcements.  Draft Genome Sequences of Six Strains of Vibrio parahaemolyticus Isolated from Early Mortality Syndrome/Acute Hepatopancreatic Necrosis Disease Shrimp in Thailand.  Hidehiro Kondo, Sasiwipa Tinwongger, Porranee Proespraiwong, Rapeepat Mavichak, Sasimanas Unajak, Reiko Nozaki and Ikuo Hirono (email, Laboratory of Genome Science, Tokyo University of Marine Science and Technology, Tokyo, Japan).  Reference: 2(2): e00221-14. doi:10.1128/genomeA.00221-14.  April 10, 2014.

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