@article{fdi:010081097, title = {{M}astomys natalensis ({S}mith, 1834) as a natural host for {S}chistosoma haematobium ({B}ilharz, 1852) {W}einland, 1858 x {S}chistosoma bovis {S}onsino, 1876 introgressive hybrids}, author = {{S}avassi, {B}aes and {D}obigny, {G}authier and {E}tougbetche, {J}. {R}. and {A}vocegan, {T}. {T}. and {Q}uinsou, {F}. {T}. and {G}authier, {P}hilippe and {I}bikounle, {M}. and {M}one, {H}. and {M}ouahid, {G}.}, editor = {}, language = {{ENG}}, abstract = {{C}ercarial emission of schistosomes is a determinant in the transmission to the definitive host and constitutes a good marker to identify which definitive host is responsible for transmission, mainly in introgressive hybridization situations. {O}ur goal was to test the hypothesis that micro-mammals play a role in {S}chistosoma haematobium, {S}. bovis, and/or {S}. haematobium x {S}. bovis transmission. {S}mall mammal sampling was conducted in seven semi-lacustrine villages of southern {B}enin. {A}mong the 62 animals trapped, 50 individuals were investigated for {S}chistosoma adults and eggs: 37 {R}attus rattus, 3 {R}attus norvegicus, 9 {M}astomys natalensis, and 1 {C}rocidura olivieri. {S}chistosoma adults were found in four {R}. rattus and two {M}. natalensis, with a local prevalence reaching 80% and 50%, respectively. {T}wo cercarial chronotypes were found from {B}ulinus globosus experimentally infected with miracidia extracted from naturally infected {M}. natalensis: a late diurnal and nocturnal chronotype, and an early diurnal, late diurnal, and nocturnal chronotype. {T}he cytochrome {C} oxidase subunit {I} mt{DNA} gene of the collected schistosomes (adults, miracidia, and cercariae) belonged to the {S}. bovis clade. {E}leven internal transcribed spacer r{DNA} profiles were found; four belonged to {S}. bovis and seven to {S}. haematobium x {S}. bovis. {T}hese molecular results together with the observed multi-peak chronotypes add {M}. natalensis as a new host implicated in {S}. haematobium x {S}. bovis transmission. {W}e discuss the origin of the new chronotypes which have become more complex with the appearance of several peaks in a 24-h day. {W}e also discuss how the new populations of offspring may optimize intra-host ecological niche, host spectrum, and transmission time period.}, keywords = {{S}chistosoma haematobium x {S}chistosoma bovis ; {C}ercarial chronobiology ; {M}astomys natalensis ; {R}attus rattus ; {S}chistosome transmission ; {BENIN}}, booktitle = {}, journal = {{P}arasitology {R}esearch}, volume = {120}, numero = {5}, pages = {1755--1770}, ISSN = {0932-0113}, year = {2021}, DOI = {10.1007/s00436-021-07099-7}, URL = {https://www.documentation.ird.fr/hor/fdi:010081097}, }