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Mitochondrial genome sequence comparisons indicate that the elephant louse Haematomyzus elephantis (Piaget, 1869) contains cryptic species.
Kelly, Sarah; Dong, Yalun; Wang, Wei; Matthee, Sonja; Wentzel, Jeanette M; Durden, Lance A; Shao, Renfu.
Afiliación
  • Kelly S; Centre for Bioinnovation, University of the Sunshine Coast, Sippy Downs, Queensland, Australia.
  • Dong Y; School of Science, Technology and Engineering, University of the Sunshine Coast, Sippy Downs, Queensland, Australia.
  • Wang W; Centre for Bioinnovation, University of the Sunshine Coast, Sippy Downs, Queensland, Australia.
  • Matthee S; School of Science, Technology and Engineering, University of the Sunshine Coast, Sippy Downs, Queensland, Australia.
  • Wentzel JM; Centre for Bioinnovation, University of the Sunshine Coast, Sippy Downs, Queensland, Australia.
  • Durden LA; School of Science, Technology and Engineering, University of the Sunshine Coast, Sippy Downs, Queensland, Australia.
  • Shao R; Department of Conservation Ecology and Entomology, Stellenbosch University, Matieland, South Africa.
Med Vet Entomol ; 38(1): 112-117, 2024 Mar.
Article en En | MEDLINE | ID: mdl-37850372
The parvorder Rhynchopthirina contains three currently recognised species of lice that parasitize elephants (both African savanna elephant Loxodonta africana and Asian elephant Elephas maximus), desert warthogs (Phacochoerus aethiopicus) and Red River hogs (Potamochoerus porcus), respectively. The Asian elephant lice and the African savanna elephant lice are currently treated as the same species, Haematomyzus elephantis (Piaget, 1869), based on morphology despite the fact that their hosts diverged 8.4 million years ago. In the current study, we sequenced 23 mitochondrial (mt) genes of African savanna elephant lice collected in South Africa and analysed the sequence divergence between African savanna elephant lice and previously sequenced Asian elephant lice. Sequence comparisons revealed >23% divergence for the 23 mt genes as a whole and ~17% divergence for cox1 gene between African savanna and Asian elephant lice, which were far higher than the divergence expected within a species. Furthermore, the mt gene sequence divergences between these lice are 3.76-4.6 times higher than that between their hosts, the African savanna and Asian elephants, which are expected for the co-divergence and co-evolution between lice and their elephant hosts. We conclude that (1) H. elephantis (Piaget, 1869) contains cryptic species and (2) African savanna and Asian elephant lice are different species genetically that may have co-diverged and co-evolved with their hosts.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Elefantes / Genoma Mitocondrial / Phthiraptera Límite: Animals País/Región como asunto: Africa Idioma: En Revista: Med Vet Entomol Asunto de la revista: BIOLOGIA / MEDICINA VETERINARIA Año: 2024 Tipo del documento: Article País de afiliación: Australia Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Elefantes / Genoma Mitocondrial / Phthiraptera Límite: Animals País/Región como asunto: Africa Idioma: En Revista: Med Vet Entomol Asunto de la revista: BIOLOGIA / MEDICINA VETERINARIA Año: 2024 Tipo del documento: Article País de afiliación: Australia Pais de publicación: Reino Unido