Anatomie et stratégies de reproduction de &lt;i&gt;Indoplanorbis exustus&lt;/i&gt; (Deshayes, 1834), un mollusque invasif d’eau douce en Côte d’Ivoire (Afrique de l’Ouest).

Bony, KY; Konan, KF; Edia, OE; Kouassi, N; Diomande, Dramane; Ouattara, Allassane

doi:10.4314/jab.v71i1.98822

Cited by 3 publications

(4 citation statements)

References 22 publications

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“…However, there were several unique haplotypes found in particular localities, leading to significant genetic differences between many localities. The high self-fertilization capacity of I. exustus [ 2 , 7 ] may have facilitated clonal production of new genetic types adapted to each environment, leading to the unique haplotypes found in several different areas evidenced in our study. The different catchments in Thailand may also influence genetic differences and genetic structure of I. exustus , as water flow is limited or not possible between different catchments.…”

Section: Discussionmentioning

confidence: 88%

Phylogeographic genetic variation of Indoplanorbis exustus (Deshayes, 1834) (Gastropoda: Planorbidae) in South and Southeast Asia

et al. 2021

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Section: Discussionmentioning

confidence: 88%

Phylogeographic genetic variation of Indoplanorbis exustus (Deshayes, 1834) (Gastropoda: Planorbidae) in South and Southeast Asia

et al. 2021

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“…The geographical expansion is probably facilitated by the high self‐fertilisation capacity of I. exustus (Bony et al., and Escobar et al., ) and may have important parasitological implications as it is the natural intermediate host of four species of schistosomes belonging to the genus Schistosoma ( S. indicum , S. nasale, S. spindale and Schistosoma sp.) and at least one avian schistosome (Devkota, Brant, Thapa, & Loker, ; Devkota et al., ).…”

Section: Discussionmentioning

confidence: 99%

The phylogeny of the genus Indoplanorbis (Gastropoda, Planorbidae) from Africa and the French West Indies

et al. 2018

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Indoplanorbis exustus is a freshwater snail known as the intermediate host of various trematode parasites, including different species of the genus Schistosoma. Although its genetic diversity is well described in Asia, the phylogenetic diversity of strains from Africa and Guadeloupe (French West Indies) and their relationship to Asian and South‐East Asian strains remain unknown. To tackle this issue, we sampled individuals from Africa and Guadeloupe, and we computed phylogenetic reconstructions using five molecular markers: partial sequences of two mitochondrial genes, cox1 and 16S, and three nuclear markers, ITS1, ITS2 (Internal Transcribed Spacer 1 and 2) and 5.8S. Our results suggest that strains in Africa and Guadeloupe come from Asia and that they all belong to a single clade that is widespread around the globe.

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“…However, there were several unique haplotypes found in specific localities, thus leading to genetic differences between many localities. The high rate of self-fertilization in I. exustus [16] may lead to levels of population genetic differences because self-fertility allows for a single individual to rapidly establish populations in new habitats [49]. In addition, the different rivers in several areas of Thailand may also affect genetic differences and the genetic structure of I. exustus because the water flow was limited or not possible between various catchments.…”

Section: Plos Onementioning

confidence: 99%

“…Clade A, clade B, and clade C were found only in South Asia, whereas clade D was specifically found in Southeast Asia. The high self-fertilization capacity of I. exustus likely facilitates geographical expansion [16] and may have important parasitological implications, as it is the natural intermediate host of digenean trematodes. Certainly, when the vector of parasitosis is present in a geographical area, no factor excludes the emergence of the disease if the parasite is introduced.…”

Section: Introductionmentioning

confidence: 99%

Population genetic structure of Indoplanorbis exustus (Gastropoda: Planorbidae) in Thailand and its infection with trematode cercariae

Dumidae,

Subkrasae,

Ardpairin

et al. 2024

PLoS ONE

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Indoplanorbis exustus is a freshwater gastropod belonging to the family Planorbidae. This snail is widely distributed across the tropics and plays an important role as the intermediate host for trematodes. However, relatively little is understood regarding the genetic relationship between I. exustus and trematodes. The goals of this study were to investigate the current transmission status of trematode cercariae in I. exustus in Thailand and to examine the genetic diversity, genetic structure, and demographic history of I. exustus. We collected 575 I. exustus from 21 provinces across six regions of Thailand and investigated cercarial infections by using the shedding method. I. exustus from two provinces were infected with cercarial trematodes, and two types of cercarial stages were molecularly identified as furcocercous cercaria and xiphidiocercariae. Phylogenetic tree analysis based on 28S rDNA and ITS2 sequences demonstrated that furcocercous cercaria and xiphidiocercariae were closely clustered with a clade of Euclinostomum sp. and Xiphidiocercariae sp., respectively. Phylogenetic and network analyses of I. exustus haplotypes based on the COI, 16S rDNA, and ITS1 genes demonstrated four main clades. Only snails in clade A were distributed in all regions of Thailand and harbored trematode cercariae. The level of genetic diversity of I. exustus was relatively high, but most populations were not genetically different, thus suggesting the appearance of gene flow within the I. exustus populations. Overall, the haplotype network was star-shaped, thus suggesting the recent demographic expansion of populations. This result was also supported by the unimodal mode of the mismatch distribution graph and the large negative values of the neutrality tests. Therefore, the I. exustus snail was likely another freshwater snail of the invasive species in Thailand. This information will aid in monitoring the spread of the parasitic trematodes carried by I. exustus from different populations.

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Anatomie et stratégies de reproduction de <i>Indoplanorbis exustus</i> (Deshayes, 1834), un mollusque invasif d’eau douce en Côte d’Ivoire (Afrique de l’Ouest).

Cited by 3 publications

References 22 publications

Phylogeographic genetic variation of Indoplanorbis exustus (Deshayes, 1834) (Gastropoda: Planorbidae) in South and Southeast Asia

Phylogeographic genetic variation of Indoplanorbis exustus (Deshayes, 1834) (Gastropoda: Planorbidae) in South and Southeast Asia

The phylogeny of the genus Indoplanorbis (Gastropoda, Planorbidae) from Africa and the French West Indies

Population genetic structure of Indoplanorbis exustus (Gastropoda: Planorbidae) in Thailand and its infection with trematode cercariae

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