Morphology and molecular characterization of Acanthogyrus (Acanthosentis) bilaspurensis Chowhan, Gupta &amp; Khera, 1987 (Acanthocephala: Gyracanthocephala: Quadrigyridae) from the common carp Cyprinus carpio Linnaeus (Cypriniformes: Cyprinidae) in Pakistan

Ru, Si-Si; Rehman, Ali; Chen, Hui-Xia; Suleman, Suleman; Khan, Mian Sayed; Muhammad, Nehaz; Li, Liang

doi:10.1016/j.parint.2022.102608

Cited by 4 publications

(9 citation statements)

References 47 publications

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“…Additionally, the Bayesian tree constructed on the basis of 18S, 28S, and ITS1-5.8S-ITS2 molecular markers showed the clustering of the sequences of Aacnthogyrus and Neoechinorhynchus in a single larger clade which then bifurcates into two subclades genus-wise. This clustering depicts that genus Acanthogyrus is phylogenetically closer to the genus Neoechinorhynchus, which has also been reported by Gautam et al (2020) and Ru et al (2022). Notably, the limited molecular data of Acanthosentis possess a problem in elucidating phylogenetic relationships of this group with other genera (Amin et al 2019).…”

Section: Discussionsupporting

confidence: 62%

“…(2020) and Ru et al . (2022). Notably, the limited molecular data of Acanthosentis possess a problem in elucidating phylogenetic relationships of this group with other genera (Amin et al .…”

Section: Discussionmentioning

confidence: 99%

“…Currently, 50 species have been reported in Acanthosentis, including the recently described species A. kenyirensis, A. terengganuensis, and A. tembatensis (Mohd-Agos et al 2021). However, some of the species in Acanthosentis have not been adequately described (Ru et al 2022). Further, the molecular data of Acanthogyrus species are very scarce, and the sequences of only 4, 2, and 6 species based on 18S, 28S, and ITS1-5.8S-ITS2 rRNA molecular markers, respectively, are available in database.…”

Section: Introductionmentioning

confidence: 99%

“…However, some of the species in Acanthosentis have not been adequately described (Ru et al . 2022). Further, the molecular data of Acanthogyrus species are very scarce, and the sequences of only 4, 2, and 6 species based on 18S, 28S, and ITS1-5.8S-ITS2 rRNA molecular markers, respectively, are available in database.…”

Section: Introductionmentioning

confidence: 99%

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Morpho-molecular characterisation of two new and two previously reported species of Acanthogyrus (Acanthogyrus: Quadrigyridae) from freshwater fishes in India

Rana,

Kaur

2023

J. Helminthol.

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Of the total 47 species in the subgenus Acanthosentis, 43 have been reported from the freshwater fishes of Asia. Amin et al. (2017) provided a key to the 23 species of the genus Acanthogyrus reported from the Indian subcontinent. The present study reports two new species: Acanthogyrus bispinosa n. sp. and A. garciai n. sp. from Cirrhinus mrigala Hamilton and Labeo calbasu Hamilton, respectively, and two previously described species: A. golvani Gupta and Jain, 1980 and A. hereterospinus Khan and Bilqees, 1990 from L. rohita Hamilton and L. catla Hamilton, respectively. A. bispinosa n. sp. comprises 3 circles of 6 proboscis hooks each. Trunk spines in A. bispinosa n. sp are divided into two groups: anterior and posterior separated by unarmed region, which has not been previously reported in the subgenus. Anterior spines are present in 7–8 and 7–10 circles in females and males, respectively, whereas posterior spines are in 23–28 and 31–38 circles in males and females, respectively. A. garciai n. sp. comprises 3 circles of 6–8 hooks each and a single set of trunk spines is present in A. garciai n. sp., comprising 35–42 and 25–45 circles in males and females, respectively. All four species were also characterised based on the 18S, 28S, and ITS1-5.8S-ITS2 rRNA molecular markers. The Bayesian inference tree generated based on these markers showed distinct identities of all the species, with a significant molecular divergence, ranging from 3.2 to 53.6%.

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Section: Discussionsupporting

confidence: 62%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Morpho-molecular characterisation of two new and two previously reported species of Acanthogyrus (Acanthogyrus: Quadrigyridae) from freshwater fishes in India

Rana,

Kaur

2023

J. Helminthol.

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“…Recently, this species was redescribed based on specimens collected from Cyprinus carpio (Linnaeus) in Pakistan (Ru et al . 2022). In the present study, the complete mitochondrial genome of A. bilaspurensis (Gyracanthocephala: Quadrigyridae) was sequenced and annotated for the first time.…”

Section: Introductionmentioning

confidence: 99%

Characterization of the complete mitochondrial genome of Acanthogyrus (Acanthosentis) bilaspurensis Chowhan, Gupta & Khera, 1987 (Eoacanthocephala: Quadrigyridae), the smallest mitochondrial genome in Acanthocephala, and its phylogenetic implications

Muhammad,

Li,

et al. 2023

J. Helminthol.

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The phylum Acanthocephala is an important group of parasites with more than 1,300 species parasitizing intestine of all major vertebrate groups. However, our present knowledge of the mitochondrial genomes of Acanthocephala remains very limited. In the present study, we sequenced and annotated the complete mitochondrial genome of Acanthogyrus (Acanthosentis) bilaspurensis (Gyracanthocephala: Quadrigyridae) for the first time based on the specimens recovered from the intestine of common carp Cyprinus carpio Linnaeus (Cyprinidae) in Pakistan. The mitochondrial genome of A. bilaspurensis is 13,360 bp in size and contains 36 genes, representing the smallest mitogenome of acanthocephalans reported so far. The mitogenome of A. bilaspurensis also has the lowest level of overall A+T contents (59.3%) in the mitogenomes of Eoacanthocephala, and the non-coding region 3 (NCR3) lies between trnS2 and trnI, which is different from all of the other acanthocephalan species. Phylogenetic analyses based on concatenating the amino acid sequences of 12 protein-coding genes using maximum likelihood (ML) and Bayesian inference (BI) methods revealed that the family Pseudoacanthocephalidae is a sister to the Arhythmacanthidae rather than the Cavisomatidae, and the families Rhadinorhynchidae and Cavisomatidae showed sister relationships.

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Parasites of Moroccan desert Coptodon guineensis (Pisces, Cichlidae): transition and resilience in a simplified hypersaline ecosystem

et al. 2022

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Sebkha Imlili (Atlantic Sahara) is a salt flat with over 160 permanent holes of hypersaline water generated in the Holocene and inhabited by euryhaline organisms that are considered to be relics of the past, including the cichlid fish Coptodon guineensis. We surveyed the fish parasites four times over one year, to i) identify the parasites, and ii) determine possible seasonality in infection patterns. Over 60% of the fish were infected by one to three helminths: an acanthocephalan in the intestine and two digenean metacercariae in the kidney, spleen, liver, muscle, and mesenteries. The acanthocephalan Acanthogyrus (Acanthosentis) cf. tilapiae was identified morphologically and molecularly; only one digenean (the heterophyid Pygidiopsis genata) could be identified molecularly. Both identified parasites were present throughout the sampling periods; the unidentified metacercariae were present only in summer and fall. Mean intensities, but not prevalence of infection by the acanthocephalan, reflected a biannual pattern of transmission. Infection accrued with fish size, possibly due to cannibalism. Because the water holes include only a few invertebrates, the intermediate hosts of these parasites can be inferred to be the gastropod Ecrobia ventrosa for the digeneans and either the copepod Cletocamtpus retrogressus or the ostracod Cyprideis torosa for the acanthocephalan. This ecosystem appears stable and provides a window into the past, as the acanthocephalan likely switched from freshwater tilapia to C. guineensis when the Sebkha formed. However, this is a vulnerable environment where the survival of these parasites depends on interactions maintained among only very few hosts.

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Morphology and molecular characterization of Acanthogyrus (Acanthosentis) bilaspurensis Chowhan, Gupta & Khera, 1987 (Acanthocephala: Gyracanthocephala: Quadrigyridae) from the common carp Cyprinus carpio Linnaeus (Cypriniformes: Cyprinidae) in Pakistan

Cited by 4 publications

References 47 publications

Morpho-molecular characterisation of two new and two previously reported species of Acanthogyrus (Acanthogyrus: Quadrigyridae) from freshwater fishes in India

Morpho-molecular characterisation of two new and two previously reported species of Acanthogyrus (Acanthogyrus: Quadrigyridae) from freshwater fishes in India

Characterization of the complete mitochondrial genome of Acanthogyrus (Acanthosentis) bilaspurensis Chowhan, Gupta & Khera, 1987 (Eoacanthocephala: Quadrigyridae), the smallest mitochondrial genome in Acanthocephala, and its phylogenetic implications

Parasites of Moroccan desert Coptodon guineensis (Pisces, Cichlidae): transition and resilience in a simplified hypersaline ecosystem

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