Schistosoma japonicum complex: relatedness of parasites and relatedness of its intermediate hosts in evolution

Author:

Nelwan Martin1ORCID

Affiliation:

1. Nelwan Institution for Human Resource Development

Abstract

Abstract Purpose: In this research, I report the relationship between S. ovuncatum, S. sinensium, S. japonicum, S. mekongi, and S. malayensis. Additionally, I also report the kinship relationship between five species of Oncomelania with Neotricula aperta, Robertsiella spp, and Tricula spp. Furthermore, I describe the formation of the genus Oncomelania from its predecessor forms. Principal Results: The results of nucleotide BLAST showed that S. ovuncatum shared a 99.69% identity with S. sinensium, 98.68% identity with S. mekongi, 97.98% identity with S. malayensis, and 97.85% identity with S. japonicum. The tree-view slanted cladogram showed that S. sinensium is a sister to S. ovuncatum. It split into S. japonicum. Schistosoma japonicumsplits into S. mekongi and S. malayensis. The results also showed that Oncomelania robertsoni shared 86.12% identity with Neotricula aperta, 85.88% identity with Robertsiella spp., and 85.28% identity with Tricula bollingi. The tree-view slanted cladogram showed that Tricula spp. split into N. aperta and Robertsiella spp. This study showed that Oncomelania emerged from its predecessor forms. Conclusions: Nucleotide BLAST results showed that S. ovuncatum is close to S. sinensium. Schistosoma sinensium split into S. japonicum, S. mekongi, and S. malayensis. Oncomelania robertsoni was closer to N. aperta than to Robertsiella spp., and Tricula spp. (Tricula bollingi). Oncomelania species emerged from their predecessor forms.

Publisher

Research Square Platform LLC

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