Composition of Pathogenic Bacteria in Litopenaeus vannarnei Culture Ecosystem

doi:10.7668/hbnxb.2008.S1.060

Abstract

Abstract: Vibrio is one of the most dominant pathogens. Using 16 S rDNA clone library method, the Vibrio composiion of the Litopenaeus vannarnei Culture Ecosystem was investigated. Compared with the published sequences in Gen-Bank data base, sequencing results of cloned 16 S rDNA amplicons revealed a diverse community in the Litopenaeus vannarnei Culture Ecosystem. The results indicated that Water Sample was clustered into 16 OTUs, the dominant commun-ities are Vibrio, Chlorof lexi and Pantoea, which accounted for 33.3%, 18.5% and 7.41%; sediment samplewas clusteredinto 14 OTUs, the dominant communities are Vibrio and Pantoea, which accounted for 50.0% and 13.6%, respectively.The results had a little difference from the two samples: there were not Aeromonas in the Water Sample andthere were not proteobacterium in the sediment sample.

Key words: Litopenaeus vannamei , 16 S rDNA clone library, Vibrio genus

CLC Number:

S945

ZHANG Hong-yi, ZHAO Yong, DAI Xi-lin, PAN Ying-jie. Composition of Pathogenic Bacteria in Litopenaeus vannarnei Culture Ecosystem[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2008, 23(S1): 257-262. doi: 10.7668/hbnxb.2008.S1.060.

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