<i>Nephromonorcha varitestis</i>n. sp. (Digenea: Renicolidae) from the American White Pelican,<i>Pelecanus erythrorhynchos</i>in North Dakota, U.S.A.

Patitucci, Kaylyn F.; Kudlai, Olena; Tkach, Vasyl V.

doi:10.1654/4775.1

Cited by 7 publications

(6 citation statements)

References 7 publications

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“…6 ). These 2 species together with Renicola thapari Caballero, 1953 formed, within clade II, a sister group to Nephromonorcha varitestes Patitucci et al ., 2015 , the only member of the genus Nephromonorcha represented in GenBank.…”

Section: Molecular Resultsmentioning

confidence: 99%

“…Nephromonorcha varitestis, the only species of the genus for which molecular data are available (Patitucci et al, 2015), forms an independent branch within cluster II in our phylograms. This finding supports the validity of the genus Nephromonorcha.…”

Section: Notes On Taxonomy and Phylogeny Of Renicolidsmentioning

confidence: 93%

“…We used an integrative approach, combining the analysis of morphological and molecular data, which has been shown to be the most effective in addressing taxonomy, phylogeny and elucidation of digenean life cycles (Blasco-Costa and Poulin, 2017 ). Relatively few studies on renicolids have employed this approach (Skírnisson et al ., 2002–2003 –2003; Hechinger and Miura, 2014 ; O'Dwyer et al ., 2014 , 2015 ; Patitucci et al ., 2015 ; Heneberg et al ., 2016 ; Flores et al ., 2019 ; Matos et al ., 2019 ), and our study is an addition to their number. In the course of our research on trematodes from the nearshore areas of NA and NP seas, we have collected and analysed extensive material on both intramolluscan stages and adults of renicolids from coastal birds, including gulls.…”

Section: Introductionmentioning

confidence: 99%

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Overview of renicolid digeneans (Digenea, Renicolidae) from marine gulls of northern Holarctic with remarks on their species statuses, phylogeny and phylogeography

Галактионов

Solovyeva²,

Blakeslee³

et al. 2022

Parasitology

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Renicolid digeneans parasitize aquatic birds. Their intramolluscan stages develop in marine and brackish-water gastropods, while metacercariae develop in molluscs and fishes. The systematics of renicolids is poorly developed, their life cycles are mostly unknown, and the statuses of many species require revision. Here, we establish based on integrated morphological and molecular data that adult renicolids from gulls Larus argentatus and Larus schistisagus and sporocysts and cercariae of Cercaria parvicaudata from marine snails Littorina spp. are life-cycle stages of the same species. We name it Renicola parvicaudatus and synonymized with it Renicola roscovitus. An analysis of the cox1 gene of R. parvicaudatus from Europe, North America and North Asia demonstrates a low genetic divergence, suggesting that this species has formed quite recently (perhaps during last glacial maximum) and that interregional gene flow is high. In Littorina saxatilis and L. obtusata from the Barents Sea, molecular analysis has revealed intramolluscan stages of Cercaria littorinae saxatilis VIII, a cryptic species relative to R. parvicaudatus. In the molecular trees, Renicola keimahuri from L. schistisagus belongs to another clade than R. parvicaudatus. We show that the species of this clade have cercariae of Rhodometopa group and outline morphological and behavioural transformations leading from xiphidiocercariae to these larvae. Molecular analysis has revealed 3 main phylogenetic branches of renicolids, differing in structure of adults, type of cercariae and host range. Our results elucidate the patterns of host colonization and geographical expansion of renicolids and pave the way to the solution of some long-standing problems of their classification.

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Section: Molecular Resultsmentioning

confidence: 99%

Section: Notes On Taxonomy and Phylogeny Of Renicolidsmentioning

confidence: 93%

Section: Introductionmentioning

confidence: 99%

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Overview of renicolid digeneans (Digenea, Renicolidae) from marine gulls of northern Holarctic with remarks on their species statuses, phylogeny and phylogeography

Галактионов

Solovyeva²,

Blakeslee³

et al. 2022

Parasitology

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“…Whereas the family level systematics appears to be solved, only negligible data are available relevant to the differentiation of closely related species. Besides numerous specimens not identified to the species level (Tkach et al 2001; Olson et al 2003; Leung et al 2009; Hechinger and Miura, 2014; O'Dwyer et al 2015), the following taxa identified to the species level were analysed: Renicola buchanani and Renicola cerithidicola (CO1 is available for both; Hechinger and Miura, 2014), Renicola roscovita (short stretch of 28S rDNA; Litvaitis and Rohde, 1999), and Nephromonorcha varitestis (partial 28S rDNA; the 28S rDNA locus analysed in our paper did not overlap with this sequence; Patitucci et al 2015). Cercaria doricha and Cercaria pythionike (ITS1, 5·8S rDNA, ITS2; Campbell et al 2007) parasitizing the herring in the North and Baltic Seas were suggested to belong to Renicolidae too, but the NCBI Blast of these sequences does not support such classification of these specimens.…”

Section: Introductionmentioning

confidence: 99%

Central European parasitic flatworms of the family Renicolidae Dollfus, 1939 (Trematoda: Plagiorchiida): molecular and comparative morphological analysis rejects the synonymization ofRenicola pinguiscomplex suggested by Odening

et al. 2016

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The Renicolidae are digenean parasites of piscivorous and molluscivorous birds. Although they exhibit few morphological autapomorphies and are highly variable, the numerous suggested re-classifications within the family have never been supported by any molecular analyses. We address the possible synonymization of species within the Renicola pinguis complex suggested previously by Odening. We provide and analyse sequences of two nuclear (ITS2, 28S rDNA) and two mitochondrial (CO1, ND1) DNA loci of central European species of the Renicolidae, namely Renicola lari, Renicola pinguis and Renicola sternae sp. n., and we also provide first sequences of Renicola sloanei. The combined molecular and comparative morphological analysis confirms the previously questioned validity of the three Renicola spp. of highly similar morphology, which display strict niche separation in terms of host specificity and selectivity. We identify two previously unreported clades within the genus Renicola; however, only one of them is supported by the analysis of adult worms. We also provide comparative measurements of the three examined closely related central European renicolids, and describe the newly proposed tern-specialized species Renicola sternae sp. n., which was previously repeatedly misidentified as Renicola paraquinta. Based on the extensive dataset collected in 1962-2015, we update the host spectrum of Renicolidae parasitizing central European birds (Renicola bretensis, R. lari, Renicola mediovitellata, R. pinguis, Renicola secunda and R. sternae sp. n.) and discuss their host-specific prevalence and intensity of infections.

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“…3) demonstrated that the species sequenced in this study is a member of the genus Renicola. Although 28S sequence data have been provided for three fully identified species of the genus Renicola [49], these sequences fail to align properly with those produced for renicolids in this or any other study [27,[50][51][52][53]. Because of this, we did not incorporate these 28S rDNA data into our phylogenetic analyses.…”

Section: Molecular Analysesmentioning

confidence: 99%

Molecular systematics of the digenean community parasitising the cerithiid gastropod Clypeomorus batillariaeformis Habe & Kusage on the Great Barrier Reef

Huston

Cutmore

2018

Parasitology International

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A rich fauna of digenetic trematodes has been documented from the Great Barrier Reef (GBR), yet little is known of the complex life-cycles of these parasites which occur in this diverse marine ecosystem. At Heron Island, a small coral cay at the southern end of the GBR, the intertidal marine gastropod Clypeomorus batillariaeformis Habe & Kusage (Cerithiidae) is especially abundant. This gastropod serves as an intermediate host for 12 trematode species utilising both fish and avian definitive hosts. However, 11 of these species have been characterised solely with morphological data. Between 2015 and 2018 we collected 4870C. batillariaeformis from Heron Island to recollect these species with the goal of using molecular data to resolve their phylogenetic placement. We found eight of the 12 previously known species and two new forms, bringing the total number of digenean species known to parasitise C. batillariaeformis to 14. The families of this trematode community now include the Atractotrematidae Yamaguti, 1939, Bivesiculidae Yamaguti, 1934, Cyathocotylidae Mühling, 1898, Hemiuridae Looss, 1899, Heterophyidae Leiper, 1909, Himasthlidae Odhner, 1910, Microphallidae Ward, 1901, and Renicolidae Dollfus, 1939. Molecular data (ITS and 28S rDNA) were generated for all trematode species, and the phylogenetic position of each species was determined. The digenean community parasitising C. batillariaeformis includes several common species, as well as multiple species which are uncommon to rare. Although most of those trematodes in the community which exploit fishes as definitive hosts have remained common, the composition of those which utilise birds appears to have shifted over time.

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Nephromonorcha varitestisn. sp. (Digenea: Renicolidae) from the American White Pelican,Pelecanus erythrorhynchosin North Dakota, U.S.A.

Cited by 7 publications

References 7 publications

Overview of renicolid digeneans (Digenea, Renicolidae) from marine gulls of northern Holarctic with remarks on their species statuses, phylogeny and phylogeography

Overview of renicolid digeneans (Digenea, Renicolidae) from marine gulls of northern Holarctic with remarks on their species statuses, phylogeny and phylogeography

Central European parasitic flatworms of the family Renicolidae Dollfus, 1939 (Trematoda: Plagiorchiida): molecular and comparative morphological analysis rejects the synonymization ofRenicola pinguiscomplex suggested by Odening

Molecular systematics of the digenean community parasitising the cerithiid gastropod Clypeomorus batillariaeformis Habe & Kusage on the Great Barrier Reef

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