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Establishing the schistosomes and snails involved in transmission aids disease surveillance whilst providing insights into snail-schistosome interactions\/compatibilities and biology.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>Infected <jats:italic>Bulinus<\/jats:italic> spp. were collected from 16 villages north and south of the Niamey region, Niger, between 2011 and 2015. From each <jats:italic>Bulinus<\/jats:italic> spp., 20\u201352 cercariae shed were analysed using microsatellite markers and a subset identified using the mitochondrial (mt) <jats:italic>cox<\/jats:italic>1 and nuclear ITS1\u2009+\u20092 and <jats:italic>18S<\/jats:italic> DNA regions. Infected <jats:italic>Bulinus<\/jats:italic> spp. were identified using both morphological and molecular analysis (partial mt <jats:italic>cox<\/jats:italic>1 region).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>A total of 87 infected <jats:italic>Bulinus<\/jats:italic> from 24 sites were found, 29 were molecularly confirmed as <jats:italic>B. truncatus<\/jats:italic>, three as <jats:italic>B. forskalii<\/jats:italic> and four as <jats:italic>B. globosus.<\/jats:italic> The remaining samples were morphologically identified as <jats:italic>B. truncatus<\/jats:italic> (<jats:italic>n<\/jats:italic>\u2009=\u200949) and <jats:italic>B. forskalii<\/jats:italic> (<jats:italic>n\u2009<\/jats:italic>=\u20092). The microsatellite analysis of 1124 cercariae revealed 186 cercarial multilocus genotypes (MLGs). Identical cercarial genotypes were frequently (60%) identified from the same snail (clonal populations from a single miracidia); however, several (40%) of the snails had cercariae of different genotypes (2\u201310 MLG\u2019s) indicating multiple miracidial infections. Fifty-seven of the <jats:italic>B. truncatus<\/jats:italic> and all of the <jats:italic>B. forskalii<\/jats:italic> and <jats:italic>B. globosus<\/jats:italic> were shedding the Bovid schistosome <jats:italic>S. bovis.<\/jats:italic> The other <jats:italic>B. truncatus<\/jats:italic> were shedding the human schistosomes, <jats:italic>S. haematobium<\/jats:italic> (<jats:italic>n<\/jats:italic>\u2009=\u20096) and the <jats:italic>S. haematobium<\/jats:italic> group hybrids (<jats:italic>n<\/jats:italic>\u2009=\u200913). Two <jats:italic>B. truncatus<\/jats:italic> had co-infections with <jats:italic>S. haematobium<\/jats:italic> and <jats:italic>S. haematobium<\/jats:italic> group hybrids whilst no co-infections with <jats:italic>S. bovis<\/jats:italic> were observed.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>This study has advanced our understanding of human and bovid schistosomiasis transmission in the Niger River Valley region. Human <jats:italic>Schistosoma<\/jats:italic> species\/forms (<jats:italic>S. haematobium<\/jats:italic> and <jats:italic>S. haematobium<\/jats:italic> hybrids) were found transmitted only in five villages whereas those causing veterinary schistosomiasis (<jats:italic>S. bovis<\/jats:italic>), were found in most villages. <jats:italic>Bulinus truncatus<\/jats:italic> was most abundant, transmitting all <jats:italic>Schistosoma<\/jats:italic> species, while the less abundant <jats:italic>B. forskalii<\/jats:italic> and <jats:italic>B. globosus,<\/jats:italic> only transmitted <jats:italic>S. bovis.<\/jats:italic> Our data suggest that species-specific biological traits may exist in relation to co-infections, snail-schistosome compatibility and intramolluscan schistosome development. <\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s13071-020-04136-9","type":"journal-article","created":{"date-parts":[[2020,5,24]],"date-time":"2020-05-24T12:02:40Z","timestamp":1590321760000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":53,"title":["Interactions between Schistosoma haematobium group species and their Bulinus spp. intermediate hosts along the Niger River Valley"],"prefix":"10.1186","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4898-462X","authenticated-orcid":false,"given":"Tom","family":"Pennance","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fiona","family":"Allan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aidan","family":"Emery","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Muriel","family":"Rabone","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jo","family":"Cable","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amadou Djirmay","family":"Garba","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amina Amadou","family":"Hamidou","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joanne P.","family":"Webster","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Rollinson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bonnie L.","family":"Webster","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2020,5,24]]},"reference":[{"key":"4136_CR1","doi-asserted-by":"publisher","first-page":"e2865","DOI":"10.1371\/journal.pntd.0002865","volume":"8","author":"PJ Hotez","year":"2014","unstructured":"Hotez PJ, Alvarado M, Bas\u00e1\u00f1ez M-G, Bolliger I, Bourne R, Boussinesq M, et al. 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