Evidence map›Paper›PMID 31901994›Full record

ArticleParasitology research2020

A new species of Clinostomum Leidy, 1856 based on molecular and morphological analysis of metacercariae from African siluriform fishes.

Monica Caffara, Sean A Locke, Paul C Echi, Ali Halajian, Willem J Luus-Powell, Deborah Benini, Perla Tedesco, Maria L Fioravanti

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In one paragraph

Article in Parasitology research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
2.4field-weighted citation impact, top 12% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 31 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 4 institutions in 4 countries.

Monica CaffaraDepartment of Veterinary Medical Sciences, Alma Mater Studiorum University of Bologna, Via Tolara di Sopra 50, 40064, Ozzano Emilia (BO), Italy.
Sean A LockeDepartment of Biology, University of Puerto Rico, Box 9000, Mayagüez, 00681-9000, Puerto Rico. sean.locke@upr.edu.
Paul C EchiDepartment of Zoology and Environmental Biology, Michael Okpara University of Agriculture, Umudike, Abia State, Nigeria.
Ali HalajianDST-NRF SARCHI (Ecosystem Health), Department of Biodiversity, University of Limpopo, Private Bag X1106, Sovenga, 0727, South Africa.
Willem J Luus-PowellDST-NRF SARCHI (Ecosystem Health), Department of Biodiversity, University of Limpopo, Private Bag X1106, Sovenga, 0727, South Africa.
Deborah BeniniDepartment of Veterinary Medical Sciences, Alma Mater Studiorum University of Bologna, Via Tolara di Sopra 50, 40064, Ozzano Emilia (BO), Italy.
Perla TedescoDepartment of Veterinary Medical Sciences, Alma Mater Studiorum University of Bologna, Via Tolara di Sopra 50, 40064, Ozzano Emilia (BO), Italy.
Maria L FioravantiDepartment of Veterinary Medical Sciences, Alma Mater Studiorum University of Bologna, Via Tolara di Sopra 50, 40064, Ozzano Emilia (BO), Italy.
University of Bologna · ITUniversity of Limpopo · ZAMichael Okpara University of Agriculture · NGUniversity of Puerto Rico-Mayaguez · PR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In the Afrotropic region, the genus Clinostomum is represented by four accepted and four unnamed species distinguished using molecular data. Here, we describe one of the four unnamed species as Clinostomum ukolii n. sp. based on metacercariae from siluriform fishes (Synodontis batensoda, Schilbe intermedius) collected in Nigeria and South Africa. The new species is distinguished by molecular data (39 new sequences of partial cytochrome c oxidase I ≥ 6.7% divergent from those of other species) and morphological differences from named and unnamed species in the same region. Metacercariae of C. ukolii n. sp. can be distinguished based on size, tegumental spines, and various aspects of the genital complex, including its position, lobation of the anterior testis, and the disposition and shape of the cirrus pouch. Although descriptions of new species of digeneans are typically based on the morphology of adults, we argue that in cases where data are available from metacercariae from regionally known species, new species can be described based on metacercariae, particularly when supported by molecular data, as here. Moreover, sub-adult reproductive structures can be clearly visualized in metacercaria of Clinostomum. Considering metacercariae as potential types for new species could advance clinostome systematics more rapidly, because metacercariae are encountered much more often than adults in avian definitive hosts.

Indexed as

AnimalsCatfishesElectron Transport Complex IVFish DiseasesFishesMetacercariaeNigeriaPhylogenySouth AfricaTrematodaTrematode InfectionsElectron Transport Complex IVCatfishHalzounHelminthYellow grub

Identifiers

PMID31901994
OpenAlexW2998378628

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.