The first mitochondrial genome of the relic <i>Acanthobdella peledina</i> (Annelida, Acanthobdellida)

Bolbat, Alexander; Vasiliev, Gennady V.; Kaygorodova, Irina A.

doi:10.1080/23802359.2020.1814173

Cited by 4 publications

(7 citation statements)

References 6 publications

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“…Unfortunately, the vast majority of published checklists and other faunal papers on Arctic freshwater leeches does not contain morphological descriptions and images of specimens 22 , 24 , 31 and, hence, cannot be used as reliable sources of distribution data for Glossiphonia spp.…”

Section: Discussionmentioning

confidence: 99%

“…Both the Kolguev Island and the Putorana Plateau are hard-to-reach areas, and none of freshwater leeches was collected from there before our sampling efforts. At first glance, this taxon may represent a high-latitude relict, as do two Acanthobdellidae species 27 , 30 , 31 , 97 . From an evolutionary point of view, the new genus may be a sister lineage to the Nearctic Actinobdella , having a similar sexannulate condition 36 , although external traits such as a specific annulation can arise independently in different clades of the glossiphoniid leeches 3 , 33 (see Supplementary Table S3 for detail).…”

Section: Discussionmentioning

confidence: 99%

“…In contrast, the family Acanthobdellidae contains only two species of primitive leeches, i.e. Acanthobdella peledina and Paracanthobdella livanowi (Epshtein, 1966), the distribution, morphological traits, and life history of which have attracted an increased attention of researchers 26 – 31 . Both the species were recorded from the Arctic and use salmonid fish (Salmonidae) as hosts 15 , 25 .…”

Section: Introductionmentioning

confidence: 99%

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Cryptic taxonomic diversity and high-latitude melanism in the glossiphoniid leech assemblage from the Eurasian Arctic

Bolotov

Kondakov

Eliseeva

et al. 2022

Sci Rep

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The family Glossiphoniidae is a diverse and widespread clade of freshwater leeches, playing a significant role in functioning of aquatic ecosystems. The taxonomy and biogeography of leeches from temperate, subtropical, and tropical regions attracted much attention of zoologists, while their taxonomic richness and distribution in the Arctic are poorly understood. Here, we present an overview of the Eurasian Arctic Glossiphoniidae based on the most comprehensive occurrence and DNA sequence datasets sampled to date. This fauna contains 14 species, belonging to five genera and three subfamilies. One genus and five species are new to science and described here. The world’s northernmost occurrences of glossiphoniids are situated on the Taymyr Peninsula at 72° N, although further records at higher latitudes are expected. Most Arctic leeches are characterized by broad ranges crossing several climatic zones (e.g., Glossiphonia balcanica and G. nebulosa), although the distribution of two new species may be confined to the high-latitude areas. The Taymyr Peninsula with the nearby Putorana Plateau represents the most species-rich area (totally 9 species), while the European Arctic, Iceland, Kolyma Highland, and Chukotka Peninsula house depleted faunas (2–4 species per subregion). Finally, we show that the high-latitude melanism is a common phenomenon in glossiphoniid leeches.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Cryptic taxonomic diversity and high-latitude melanism in the glossiphoniid leech assemblage from the Eurasian Arctic

Bolotov

Kondakov

Eliseeva

et al. 2022

Sci Rep

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“…These results were consistent with the paraphyly of Rhynchobdellida. Contrarily, the phylogenetic analysis based on the mitogenomes (Bolbat et al, 2020(Bolbat et al, , 2021, anchored hybrid enrichment (Phillips et al, 2019) and transcriptomes (Erséus et al, 2020) with more taxon sampling revealed the sister relationship between Glossiphoniidae and Oceanobdelliformes (only Piscicolidae in Erséus et al (2020)) and thus the monophyly of Rhynchobdellida.…”

Section: Discussionmentioning

confidence: 99%

First mitochondrial genome of a lugworm (Annelida: Arenicolidae) and its phylogenetic position

2022

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The annelid mitochondrial genomes (mitogenomes) have been well documented, and phylogenetic analyses based on the mitogenomes provide insightful implications for annelid evolution. However, the mitogenomes of some families remain unknown. Herein, we determined the complete mitogenome of the lugworm Abarenicola claparedi oceanica (15,524 bp), representing the first mitogenome from the family Arenicolidae. The gene order of this species is the same as the various lineages in Sedentaria. The maximum likelihood phylogenetic analyses were performed based on six different datasets, including 43 ingroups (oligochaetes, hirudineans, echiurans and closely related polychaetes) and two outgroups (Siboglinidae), namely, aligned and trimmed datasets consisting of the nucleotide sequences of protein-coding genes (PCGs) and rRNAs, and amino acid sequences of PCGs. Phylogenetic analyses based on the nucleotide sequences yielded trees with better support values than those based on the amino acid sequences. Arenicolidae is clustered with Maldanidae in all analyses. Analyses based on nucleotide sequences confirm the monophyly of Terebellidae, which was paraphyletic in recent mitogenomic phylogenetic studies. We also performed the phylogenetic analysis based on the RY-coding of the nucleotide sequences of PCGs only to yield phylogeny with generally low support values. Additional mitogenome sequences of related ingroup species would be needed to comprehensively understand the phylogenetic relationship, which was not present in this study.

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“…However, more recent studies, such as our prior study, have incorporated other loci, such as 12S, 16S, and 28S (Tessler et al, 2018a;Bolbat et al, 2019). In addition to the Sanger data, a mitochondrial genome (Bolbat et al, 2020), ultraconserved element (UCE) data (Phillips et al, 2019a,b), and a transcriptome (Iwama et al, 2020) have recently been sequenced.…”

Section: Prior Phylogenetics Researchmentioning

confidence: 99%

Recent evolution of ancient Arctic leech relatives: systematics of Acanthobdellida

Carle

Gajda

Bielecki

et al. 2022

Zoological Journal of the Linnean Society

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Acanthobdellida gnaw into the sides of salmonid fishes in frigid Arctic lakes and rivers, latching on with fearsome facial hooks. Sister to leeches, they are an ancient lineage with two described species. Unfortunately, Acanthobdellida are rarely collected, leading to a paucity of literature despite their unique morphology. Populations range from Eurasia to Alaska (USA), but few specimens of Acanthobdella peledina are represented in molecular studies, and no molecular data exist for Paracanthobdella livanowi, making their taxonomic position difficult to assess. We use phylogenetics and morphology to determine whether allopatric populations of A. peledina are distinct species and assess the current classification scheme used for Acanthobdellida. We produce a new suborder, Acanthobdelliformes, to match the taxonomy within Hirudinea. Scanning electron micrographs indicate species-level differences in the anterior sucker and facial hooks; molecular phylogenetics mirrors this divergence between species. We assign both species to the family Acanthobdellidae and abandon the family Paracanthobdellidae. Alaskan and European A. peledina populations are morphologically similar, but appear phylogenetically divergent. Our data strongly suggest that members of the order Acanthobdellida diverged relatively recently in their ancient history, but based on genetic distance, this divergence appears to pre-date the most recent cycles of glaciation.

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The first mitochondrial genome of the relic Acanthobdella peledina (Annelida, Acanthobdellida)

Cited by 4 publications

References 6 publications

Cryptic taxonomic diversity and high-latitude melanism in the glossiphoniid leech assemblage from the Eurasian Arctic

Cryptic taxonomic diversity and high-latitude melanism in the glossiphoniid leech assemblage from the Eurasian Arctic

First mitochondrial genome of a lugworm (Annelida: Arenicolidae) and its phylogenetic position

Recent evolution of ancient Arctic leech relatives: systematics of Acanthobdellida

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