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<p>Coronaviruses infect a wide range of animal and human hosts. Some human coronaviruses, such as SARS-CoV, MERS-CoV, and SARS-CoV-2, originated in animals, with bats often serving as ancestral hosts. This study analyzed samples from wild animals in three Mexican states, using an RT-PCR assay targeting the <i>RdRp</i> gene to detect and genotype coronaviruses, assessing their potential role as reservoirs. Phylogenetic analysis was conducted to determine the genetic relationships of the identified coronaviruses. <i>Gammacoronavirus</i> RNA was identified in fallow deer, llamas, spider monkeys, and mouflons; <i>Betacoronavirus</i> RNA in mouflons and dwarf goats; and <i>Alphacoronavirus</i> RNA in dwarf goats and ponies. The detected viral sequences exhibited high nucleotide identity with known coronaviruses, including <i>Avian coronavirus</i> (<i>Gammacoronavirus</i>), <i>Murine coronavirus</i> (<i>Betacoronavirus</i>), <i>Betacoronavirus 1</i> (<i>Betacoronavirus</i>), Wénchéng shrew coronavirus (unclassified <i>Alphacoronavirus</i>), and <i>Bat coronavirus HKU10</i> (<i>Alphacoronavirus</i>). These findings represent the first report of <i>Avian coronavirus</i>, <i>Murine coronavirus</i>, Wénchéng shrew coronavirus, and <i>Bat coronavirus HKU10</i> in these species, as well as the first detection of <i>Avian coronavirus</i> in llamas, spider monkeys, and mouflons. This study provides valuable insights into the potential role of wildlife as coronavirus reservoirs, highlighting the importance of monitoring these viruses to mitigate future zoonotic transmission risks.</p>

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Detection of avian, murine, bovine, shrew, and bat coronaviruses in wild mammals from Mexico

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年4月26日

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  • Jocelyn Medina-Gudiño,
  • Yolanda López-Vidal,
  • J. Adolfo Pardo-Tovar,
  • Lauro Velázquez-Salinas,
  • Francisco Javier Basurto-Alcántara

摘要

Coronaviruses infect a wide range of animal and human hosts. Some human coronaviruses, such as SARS-CoV, MERS-CoV, and SARS-CoV-2, originated in animals, with bats often serving as ancestral hosts. This study analyzed samples from wild animals in three Mexican states, using an RT-PCR assay targeting the RdRp gene to detect and genotype coronaviruses, assessing their potential role as reservoirs. Phylogenetic analysis was conducted to determine the genetic relationships of the identified coronaviruses. Gammacoronavirus RNA was identified in fallow deer, llamas, spider monkeys, and mouflons; Betacoronavirus RNA in mouflons and dwarf goats; and Alphacoronavirus RNA in dwarf goats and ponies. The detected viral sequences exhibited high nucleotide identity with known coronaviruses, including Avian coronavirus (Gammacoronavirus), Murine coronavirus (Betacoronavirus), Betacoronavirus 1 (Betacoronavirus), Wénchéng shrew coronavirus (unclassified Alphacoronavirus), and Bat coronavirus HKU10 (Alphacoronavirus). These findings represent the first report of Avian coronavirus, Murine coronavirus, Wénchéng shrew coronavirus, and Bat coronavirus HKU10 in these species, as well as the first detection of Avian coronavirus in llamas, spider monkeys, and mouflons. This study provides valuable insights into the potential role of wildlife as coronavirus reservoirs, highlighting the importance of monitoring these viruses to mitigate future zoonotic transmission risks.