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首页> 外文期刊>Marine pollution bulletin >Environmental parameters influence on the dynamics of total and pathogenic Vibrio parahaemolyticus densities in Crassostrea virginica harvested from Mexico's Gulf coast
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Environmental parameters influence on the dynamics of total and pathogenic Vibrio parahaemolyticus densities in Crassostrea virginica harvested from Mexico's Gulf coast

机译：环境参数影响从墨西哥湾沿岸收获的Crassostrea virginica的总溶血性和致病性副溶血性弧菌密度的动态

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摘要

The influence of environmental parameters on the total and pathogenic Vibrio parahaemolyticus seasonal densities in American oysters (Crassostrea virginica) was evaluated for 1 year. Harvesting site A yielded the highest mean densities of V. parahaemolyticus tlh+, tdh+/trh-, tdh-/trh+ and tdh+/trh+ during spring season at 2.57,1.74,0.36, and -0.40 log_(10) MPN/g, respectively, and tdh+/orf8+ during winter season (0.90 log_(10) MPN/g). V. parahaemolyticus tlh+ densities were associated to salinity (R~2 = 0.372, P ＜ 0.022), tdh+/ trh+ to turbidity (R~2= 0.597, P＜ 0.035), and orf8+ to temperature, salinity, and pH (R~2=0.964, P ＜ 0.001). The exposure to salinity and temperature conditions during winter and spring seasons regulated the dynamics of V. parahaemolyticus harboring potentially pathogenic genotypes within the oyster. The adaptive response of V. parahaemolyticus to seasonal environmental changes may lead to an increase in survival and virulence, threatening the seafood safety and increasing the risk of illness.
机译：评估环境参数对美国牡蛎（Crassostrea virginica）总和致病性副溶血弧菌季节性密度的影响，为期1年。在春季，收获地点A产生最高的副溶血弧菌tlh +，tdh + / trh-，tdh- / trh +和tdh + / trh +平均密度，分别为2.57、1.74、0.36和-0.40 log_（10）MPN / g，冬季的tdh + / orf8 +（0.90 log_（10）MPN / g）。副溶血弧菌的tlh +密度与盐度（R〜2 = 0.372，P <0.022），tdh + / trh +与浊度（R〜2 = 0.597，P <0.035）和orf8 +与温度，盐度和pH（R〜 2 = 0.964，P ＜0.001）。在冬季和春季，盐度和温度条件的暴露调节了溶血弧菌在牡蛎中具有潜在致病基因型的动态。副溶血性弧菌对季节性环境变化的适应性反应可能导致生存和毒力增加，威胁海鲜安全并增加患病风险。

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  • 来源
    《Marine pollution bulletin》 |2015年第1期|317-329|共13页
  • 作者

    Karla M. Lopez-Hernandez; Violeta T. Pardio-Sedas; Leonardo Lizarraga-Partida; Jose de J. Williams; David Martinez-Herrera; Argel Flores-Primo; Roxana Uscanga-Serrano; Karla Rendon-Castro;

  • 作者单位

    Facultad de Medicina Veterinaria y Zootecnia, Universidad Veracruzana, Av. Miguel Angel de Quevedo s esq. Yanez, Col. Unidad Veracruzana, Veracruz CP 97710, Mexico;

    Facultad de Medicina Veterinaria y Zootecnia, Universidad Veracruzana, Av. Miguel Angel de Quevedo s esq. Yanez, Col. Unidad Veracruzana, Veracruz CP 97710, Mexico;

    Centro de Investigacion Cientifica y de Educacion Superior de Ensenada, Ensenada, Baja California CP 22860, Mexico;

    Direccion General de Desarrollo Academico, Edificio Central-Rectoria, Universidad Autonoma de Yucatan, Merida, Yucatan CP 97000, Mexico;

    Facultad de Medicina Veterinaria y Zootecnia, Universidad Veracruzana, Av. Miguel Angel de Quevedo s esq. Yanez, Col. Unidad Veracruzana, Veracruz CP 97710, Mexico;

    Facultad de Medicina Veterinaria y Zootecnia, Universidad Veracruzana, Av. Miguel Angel de Quevedo s esq. Yanez, Col. Unidad Veracruzana, Veracruz CP 97710, Mexico;

    Facultad de Medicina Veterinaria y Zootecnia, Universidad Veracruzana, Av. Miguel Angel de Quevedo s esq. Yanez, Col. Unidad Veracruzana, Veracruz CP 97710, Mexico;

    Facultad de Medicina Veterinaria y Zootecnia, Universidad Veracruzana, Av. Miguel Angel de Quevedo s esq. Yanez, Col. Unidad Veracruzana, Veracruz CP 97710, Mexico;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Vibrio parahaemolyticus; Pathogenic genes; Environmental parameters; Oyster;

    机译：副溶血性弧菌;致病基因;环境参数;牡蛎;

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