Proterometra epholkos sp. n. (Digenea: Azygiidae) from Terrapin Creek, Alabama, USA: Molecular characterization of life cycle, redescription of Proterometra albacauda, and updated lists of host and geographic locality records for Proterometra spp. in North America

Womble, Matthew R.; Orélis-Ribeiro, Raphael; Bullard, Stephen A.

doi:10.1016/j.parint.2014.09.004

Cited by 10 publications

(19 citation statements)

References 63 publications

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“…IUPAC ambiguity codes were used for coding polymorphic sites, i.e., should be read as the presence of guanine and cytosine, rather than as an ambiguous reading between guanine or cytosine. These positions were identified in the chromatogram as per Womble et al [2]. Representative sequences have been deposited in GenBank (see Table 1).…”

Section: Dna Extraction Amplification and Sequencingmentioning

confidence: 99%

“…2) of overall body length; hindbody 480500 (490, 2) long or 2728% (27%, 2) of overall body length, 4850% (49%, 2) of forebody length; tegument unarmed, approximately 3035 (33,2) thick. Excretory system mostly indistinct in paratypes; excretory pore medial, terminal ( Fig.…”

Section: Host and Parasite Nomenclaturementioning

confidence: 99%

“…Species of Proterometra Horsfall, 1933 (Digenea: Azygiidae Looss, 1899) exploit a diverse assemblage of primary division freshwater fishes and undergo asexual reproduction in freshwater prosobranch snails (Pleuroceridae) of high conservation value [1] (see Tables 1 & 2 of Womble et al [2]). To date, no accepted species of Proterometra has been documented from beyond North America, and all but one record [3] sources from east of the main stem of the Mississippi River [2]. Given the reported geographic ranges for known hosts of Proterometra spp.…”

Section: Introductionmentioning

confidence: 99%

“…Given the reported geographic ranges for known hosts of Proterometra spp. [1,2,4] and considering that many closely related snails and fishes lack records of infection, many species of Proterometra likely remain unnamed in North American rivers and streams.…”

Section: Introductionmentioning

confidence: 99%

“…Before 2014, no sequence data for any species of Proterometra was published. GenBank now holds sequence data for Proterometra epholkos Womble, Orélis-Ribeiro, and Bullard, 2015 (ribosomal internal transcribed spacer 2 [ITS2], nuclear ribosomal DNA region [rDNA] [2]) and Proterometra macrostoma (Faust, 1918) Horsfall, 1933 (species inquirendae) (18S rDNA & cytochrome c oxidase subunit 1 (CO1) [31]; see Womble et al [2] for sorted issues concerning the taxonomic identity of P. macrostoma) plus Proterometra sp. from Florida (28S rDNA; [32]).…”

Section: Introductionmentioning

confidence: 99%

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New species of Proterometra (Digenea: Azygiidae) and its life cycle in the Chickasawhay River, Mississippi, USA, with supplemental observations of Proterometra autraini

Womble

Orélis-Ribeiro

Bullard

2016

Parasitology International

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We describe Proterometra ariasae n. sp. based upon cercariae shed from a freshwater snail, Pleurocera sp., and adults infecting the buccal cavity of longear sunfish, Lepomis megalotis, captured from the Chickasawhay River, Mississippi, USA. We also provide supplemental observations of cercarial and adult paratypes of Proterometra autraini from the Au Train River, Michigan, USA. Sequence data for the ribosomal internal transcribed spacer 2 (ITS2) from adults and cercariae of the new species were identical. Adults of the new species differ from congeners by having (i) a markedly large body, (ii) a proportionally large oral sucker, (iii) ovoid testes, (iv) a strongly muscular and laterally expanded pars prostatica, (v) a uterus that is extensively convoluted between the ovary and ventral sucker (vi) and a vitellarium as long as the caeca and extending posteriad beyond the anterior margin of the testes. Cercariae of the new species differ from those of its congeners by having (i) a tail stem that is shorter than 10mm and that lacks a medial constriction, (ii) obcordate furcae that are wider than long, (iii) mamillae distributed throughout the anterior tail stem only, and (v) a proportionally small distome that has relatively few uterine eggs and remains withdrawn in the anterior tail stem region in actively swimming cercariae. This is the first report of Proterometra from Mississippi, the second description to employ morphology and sequence data to elucidate a life cycle for Proterometra, and the third species of Proterometra from an intermediate host not assigned to Elimia.

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Section: Dna Extraction Amplification and Sequencingmentioning

confidence: 99%

Section: Host and Parasite Nomenclaturementioning

confidence: 99%