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<p><i>Porocephalus crotali</i> Humboldt, 1812 is a pentastomid that infects the respiratory tracts of snakes. Here, we report the occurrence of this crustacean endoparasite in an Indian rat snake (<i>Ptyas mucosa</i>) along with its morphological and molecular characterization. An Indian rat snake was rescued and admitted to the Wildlife Rescue and Rehabilitation Centre, Bannerghatta, Bangalore, India. Following death, post-mortem examination of the snake revealed the presence of the pentastomid in the lungs. Morphological characterization identified the parasite as <i>P. crotali.</i> Morphology was further confirmed by 18&#xa0;S rRNA-based molecular characterization. The generated sequence showed 99.75% sequence similarity with the reference sequences of <i>P. crotali</i> available in GenBank. The phylogenetic relationship of this parasite with other species within Pentastomida was established, and it was found that <i>P. crotali</i> was phylogenetically close to species within the <i>Kiricephalus</i> genus. To the best of our knowledge, this is the first report on the molecular characterization of <i>P. crotali</i> from India.</p>

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The pentastomid endoparasite Porocephalus crotali (Humboldt, 1812) in an Indian rat snake (Ptyas mucosus): first molecular characterization from India

  • 期刊论文

  • 发表日期：

    2026年5月6日

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  • Dhanalakshmi Hanumappa,
  • Roopa Satish,
  • Nirupama Jaisingh,
  • Sindhoora Divakar,
  • Sneha Sawhney,
  • Ananda Konnanur Javaregowda,
  • Arun Kumar De

摘要

Porocephalus crotali Humboldt, 1812 is a pentastomid that infects the respiratory tracts of snakes. Here, we report the occurrence of this crustacean endoparasite in an Indian rat snake (Ptyas mucosa) along with its morphological and molecular characterization. An Indian rat snake was rescued and admitted to the Wildlife Rescue and Rehabilitation Centre, Bannerghatta, Bangalore, India. Following death, post-mortem examination of the snake revealed the presence of the pentastomid in the lungs. Morphological characterization identified the parasite as P. crotali. Morphology was further confirmed by 18 S rRNA-based molecular characterization. The generated sequence showed 99.75% sequence similarity with the reference sequences of P. crotali available in GenBank. The phylogenetic relationship of this parasite with other species within Pentastomida was established, and it was found that P. crotali was phylogenetically close to species within the Kiricephalus genus. To the best of our knowledge, this is the first report on the molecular characterization of P. crotali from India.