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<p>Gosling gout is usually considered to be caused by goose astrovirus 2 (GoAstV-2); however, goose astrovirus 3 (GoAstV-3) has also been shown to play a pathogenic role in this disease. Here, we developed new assays for specific detection of goose astroviruses, including GoAstV-2- and GoAstV-3-specific reverse transcription (RT)-PCR and real-time fluorescence quantitative PCR (RT-qPCR) assays. These assays revealed coinfection with GoAstV-2 and GoAstV-3 in 19 (57.6%) out of 33 cases examined, with GoAstV-2 producing 1,000- to 100,000-fold higher viral loads than GoAstV-3. These findings will stimulate further studies on the roles of GoAstV-2 and GoAstV-3 in the occurrence of gosling gout.</p>

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Molecular evidence for goose astrovirus 2 and goose astrovirus 3 coinfection in goslings with gout

  • 期刊论文

  • 发表日期：

    2025年2月14日

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  • Chen Guo,
  • Jingjing Huang,
  • Xiaoyang Hu,
  • Qiong Li,
  • Yinuo Song,
  • Duo Peng,
  • Kang Ning,
  • Xiaoyan Wang,
  • Dabing Zhang

摘要

Gosling gout is usually considered to be caused by goose astrovirus 2 (GoAstV-2); however, goose astrovirus 3 (GoAstV-3) has also been shown to play a pathogenic role in this disease. Here, we developed new assays for specific detection of goose astroviruses, including GoAstV-2- and GoAstV-3-specific reverse transcription (RT)-PCR and real-time fluorescence quantitative PCR (RT-qPCR) assays. These assays revealed coinfection with GoAstV-2 and GoAstV-3 in 19 (57.6%) out of 33 cases examined, with GoAstV-2 producing 1,000- to 100,000-fold higher viral loads than GoAstV-3. These findings will stimulate further studies on the roles of GoAstV-2 and GoAstV-3 in the occurrence of gosling gout.