Biomphalaria straminea
| Biomphalaria straminea | |
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| Shells of Biomphalaria straminea | |
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| Species: | B. straminea
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| Binomial name | |
| Biomphalaria straminea (Dunker, 1848)
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Planorbis stramineus | |
Biomphalaria straminea is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
This snail is a medically important pest,[1] because an intermediate host for the parasite Schistosoma mansoni and a vector of schistosomiasis.[2]
The history of these discoveries was summarized by Paraense (2001).[3]
The shell of this species, like all planorbids is sinistral in coiling, but is carried upside down and thus appears to be dextral.
Distribution
Biomphalaria glabrata is a Neotropical[1] species. It occurs in:
- Caribbean: Saint Lucia - reported since 1993[4]
- northeast of Brazil
This species has recently expanded its native range.[1] As an introduced species, it occurs in:
Phylogeny
A cladogram showing phylogenic relations of species in the genus Biomphalaria:[6]
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Parasites
Biomphalaria straminea is an intermediate host for Schistosoma mansoni and a vector of intestinal schistosomiasis. Schistosoma mansoni came to Neotropics from Africa in context of the slave trade.[6] Schistosoma mansoni was not able to infect Biomphalaria straminea previously and it has adapted to this host.[6]
References
- ^ a b c Pointier, J. P.; Pointier, J. P.; David, P.; Jarne, P. (2005). "Biological invasions: The case of planorbid snails". Journal of Helminthology. 79 (3): 249–256. doi:10.1079/JOH2005292. PMID 16153319..
- ^ Borda C. E. & Rea M. J. F. (March 2007) "Biomphalaria tenagophila potencial vector of Schistosoma mansoni in the Paraná River basin (Argentina and Paraguay)". Memórias do Instituto Oswaldo Cruz 102(2): 191-195. PDF.
- ^ Paraense W. L. (2001) "The Schistosome Vectors in the Americas". Memórias do Instituto Oswaldo Cruz 96(Supplement): 7-16. text, PDF
- ^ Pointier J. P. (1993) "The introduction of Melanoides tuberculata (Mollusca: Thiaridae) to the island of Saint Lucia (West Indies) and its role in the decline of Biomphalaria glabrata, the snail intermediate host of Schistosoma mansoni". Acta Tropica 54(1):13-18. abstract.
- ^ Meier-Brook, C. (1974). "A snail intermediate host of Schistosoma mansoni introduced into Hong Kong". Bulletin of the World Health Organization. 51 (6): 661. PMC 2366262. PMID 4549615. PDF.
- ^ a b c Dejong, R. J.; Morgan, J. A.; Paraense, W. L.; Pointier, J. P.; Amarista, M.; Ayeh-Kumi, P. F.; Babiker, A.; Barbosa, C. S.; Brémond, P.; Pedro Canese, A.; De Souza, C. P.; Dominguez, C.; File, S.; Gutierrez, A.; Incani, R. N.; Kawano, T.; Kazibwe, F.; Kpikpi, J.; Lwambo, N. J.; Mimpfoundi, R.; Njiokou, F.; Noël Poda, J.; Sene, M.; Velásquez, L. E.; Yong, M.; Adema, C. M.; Hofkin, B. V.; Mkoji, G. M.; Loker, E. S. (2001). "Evolutionary relationships and biogeography of Biomphalaria (Gastropoda: Planorbidae) with implications regarding its role as host of the human bloodfluke, Schistosoma mansoni". Molecular Biology and Evolution. 18 (12): 2225–2239. doi:10.1093/oxfordjournals.molbev.a003769. PMID 11719572.
Further reading
External links
