Genetic variation of a freshwater snail Hydrobioides nassa (Gastropoda: Bithyniidae) in Thailand examined by mitochondrial DNA sequences

Bunchom, Naruemon; Saijuntha, Weerachai; Pilap, Warayutt; Suksavate, ‪Warong; Vaisusuk, Kotchaphon; Suganuma, Narufumi; Agatsuma, Takeshi; Petney, Trevor N.; Tantrawatpan, Chairat

doi:10.1007/s10750-019-04013-2

Cited by 14 publications

(5 citation statements)

References 26 publications

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“…Similar patterns of genetic differences have previously reported in the other freshwater species of snails, e.g. Bithynia siamensis [ 30 ] and Hydrobioides nassa [ 3 ].…”

Section: Discussionsupporting

confidence: 84%

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

et al. 2021

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“…Similar patterns of genetic differences have previously reported in the other freshwater species of snails, e.g. Bithynia siamensis [ 30 ] and Hydrobioides nassa [ 3 ].…”

Section: Discussionsupporting

confidence: 84%

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

et al. 2021

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“…This would subsequently lead to limited gene flow and migration between the I. exustus populations across catchments, thus resulting in high degrees of genetic differences between areas. This phenomenon has been previously observed in other freshwater snails in Thailand, such as Bithynia siamensis and Hydrobioides nassa [50,51].…”

Section: Plos Onesupporting

confidence: 79%

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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“…Then 492 bp of mitochondrial 16S ribosomal DNA (16S rDNA) were sequenced for molecular confirmation of morphology-based species identification. DNA extraction protocol, primers, and polymerase chain reaction (PCR) condition reported by Bunchom and colleagues (Bunchom et al, 2021a) were employed. All 16S rDNA sequences with a length of 492 bp obtained in this study were blasted in the GenBank database (https://blast.ncbi.nlm.nih.gov/ Blast.cgi) for species confirmation.…”

Section: Methodsmentioning

confidence: 99%

“…The morphology of H. nassa is very similar to the two subspecies of genus Bithynia, i.e. B. s. siamensis and B. s. goniomphalos, leading to confused differentiation between these snails using only morphological characters (Bunchom et al, 2021a). In addition, they co-occur in the same geographic localities in north and central regions of Thailand (Bunchom et al, 2021b).…”

Section: Introductionmentioning

confidence: 97%

Trematode infection in a freshwater snail Hydrobioides nassa (Gastropoda: Bithyniidae) in Thailand

et al. 2022

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Summary 1,024 individuals of Hydrobioides nassa were collected from 12 different localities in eight provinces from north, west, and central regions of Thailand. The infection of parasitic trematodes was investigated using shedding and crushing methods to search for cercariae and metacercariae. Trematode infection was found at a relatively low prevalence of 5.57%. Five different morphological types of cercariae were detected; xiphidio, monostome, mutabile, ophthalmoxiphidio, and microcercous, and three different morphological types of unknown metacercariae were observed. Microcercous cercariae of the lung fluke genus Paragonimus is reported here for the first time in a bithyniid snail. Our current finding show that H. nassa can serve as intermediate host for a range of parasitic trematodes in Thailand.

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Genetic variation of a freshwater snail Hydrobioides nassa (Gastropoda: Bithyniidae) in Thailand examined by mitochondrial DNA sequences

Cited by 14 publications

References 26 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

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

Trematode infection in a freshwater snail Hydrobioides nassa (Gastropoda: Bithyniidae) in Thailand

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