Biology:Pyriproboscis
Pyriproboscis is a monotypic genus of acanthocephalans (thorny-headed or spiny-headed parasitic worms). It is the only genus in the family Pyriprobosicidae.[1]
Taxonomy
The genus was described by Amin, Abdullah & Mhaisen in 2003. Phylogenetic analysis has been published on Pyriproboscis heronensis.[2] There is one genus Pyriproboscis and one species, Pyriproboscis heronensis in the family Pyriprobosicidae. Pyriproboscis heronensis was originally named Pomphorhynchus heronensis by Pichelin in 1997 but was renamed by Amin, Abdullah and Mhaisen in 2003.[3]
Description
Pyriproboscis heronensis consists of a proboscis covered in hooks and a trunk.
Distribution
The distribution of Pyriproboscis heronensis is determined by that of its hosts.[3] It was found in Heron Island, Australia.[4]
Hosts
The life cycle of an acanthocephalan consists of three stages beginning when an infective acanthor (development of an egg) is released from the intestines of the definitive host and then ingested by an arthropod, the intermediate host. Although the intermediate hosts of Pyriproboscis are arthropods. When the acanthor molts, the second stage called the acanthella begins. This stage involves penetrating the wall of the mesenteron or the intestine of the intermediate host and growing. The final stage is the infective cystacanth which is the larval or juvenile state of an Acanthocephalan, differing from the adult only in size and stage of sexual development. The cystacanths within the intermediate hosts are consumed by the definitive host, usually attaching to the walls of the intestines, and as adults they reproduce sexually in the intestines. The acanthor is passed in the feces of the definitive host and the cycle repeats. There may be paratenic hosts (hosts where parasites infest but do not undergo larval development or sexual reproduction) for Pyriproboscis.[7]
Pyriproboscis parasitizes animals. There are no reported cases of Pyriproboscis species infesting humans in the English language medical literature.[6]
- Hosts for Pyriproboscis
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The Spanish flag snapper is one of the hosts of P. heronensis
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Notes
References
- ↑ Huston, D. C., Cribb, T. H., & Smales, L. R. (2020). Molecular characterisation of acanthocephalans from Australian marine teleosts: proposal of a new family, synonymy of another and transfer of taxa between orders. Systematic Parasitology, 1-23.
- ↑ "Taxonomy browser (Pyriproboscis heronensis)". https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?id=2675587.
- ↑ 3.0 3.1 Cite error: Invalid
<ref>tag; no text was provided for refs namedAmin2003 - ↑ Cite error: Invalid
<ref>tag; no text was provided for refs namedPichelin1997 - ↑ CDC’s Division of Parasitic Diseases and Malaria (April 11, 2019). "Acanthocephaliasis". Center for Disease Control. https://www.cdc.gov/dpdx/acanthocephaliasis/index.html.
- ↑ 6.0 6.1 Mathison, BA (2021). "Human Acanthocephaliasis: a Thorn in the Side of Parasite Diagnostics". J Clin Microbiol 59 (11): e02691-20. doi:10.1128/JCM.02691-20. PMID 34076470. PMC 8525584. https://doi.org/10.1128%2FJCM.02691-20.
- ↑ Schmidt, G.D. (1985). "Development and life cycles". Biology of the Acanthocephala. Cambridge: Cambridge Univ. Press. pp. 273–305. https://core.ac.uk/download/pdf/17218255.pdf. Retrieved 16 July 2023.
Wikidata ☰ Q2642678 entry
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