Evidence map›Paper›PMID 40105185›Full record

ArticleFolia parasitologica2025

Confocal fluorescent study of the fish blood flukes: the serotonergic elements and ultrastructure of the nervous system of adult Sanguinicola plehnae (Digenea: Sanguinicolidae).

Larisa G Poddubnaya, Nadezhda B Terenina, Natalia D Kreshсhenko

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Article in Folia parasitologica, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

3 authors.

Larisa G PoddubnayaPapanin Institute for Biology of Inland Waters, Russian Academy of Sciences, Borok, Russia.ORCID 0000000304729846
Nadezhda B TereninaCenter of Parasitology, A.N. Severtsov Institute of Ecology and Evolution of Russian Academy of Sciences, Moscow, Russia.ORCID 0000000172755515
Natalia D KreshсhenkoInstitute of Cell Biophysics of Russian Academy of Sciences, Pushchino, Russia *Address for correspondence: Larisa G. Poddubnaya, Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences, 152742, Borok, Yaroslavl Region, Russia. E-mail: poddubnaya@ibiw.ru; ORCID-iD 0000-0003-0472-9846.ORCID 000000031761364X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The first data on the neurochemical and ultrastructural organisation of the nervous system of the fish blood fluke, suckerless adult Sanguinicola plehnae Warren et Bullard in Warren, Poddubnaya, Zhokhov, Reyda, Choudhury et Bullard, 2023 (Digenea: Aporocotylidae) from the circulatory system of pike, Esox lucius Linnaeus are presented. Based on 5-HT-IP staining, the simple, uniformly developed orthogonal pattern of S. plehnae nervous system is revealed. The ventral and dorsal nerve cords originate from the brain lobes, but the lateral nerve cords originate from anterior nerves at the level of the large serotonergic neurons. In addition, several pairs of such large 5-HT-IP neurons (22-23.5 µm in diameter) are revealed along the ventral nerve cords. Unusual spindle-shaped 5-HT-IP perikarya (7.8-19.8 µm in diameter) are observed along each ventral and lateral nerve cords. The neuroblasts and developing neurons are seen between neurites in S. plehnae along with neuron somata scattered around neuropil periphery, evidencing the renewal of neuron somata population in adult digeneans. The morphological variability of both the orthogonal pattern and neuron somata and types of neurovesicles in adult digeneans are discussed.

Indexed as

Fish DiseasesNervous SystemSerotoninTrematodaTrematode InfectionsAnimalsMicroscopy, ConfocalSerotonin5-HT-IPCNS topographyimmunocytochemistryneuritesneuronal somataneuropilSEMTEMTRITC-phalloidin

Identifiers

PMID40105185

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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.