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| Format: | Artículo científico |
| Language: | en |
| Published: |
Journal of helminthology
2024
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| Subjects: | |
| Online Access: | https://pubmed.ncbi.nlm.nih.gov/39463354/ |
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Table of Contents:
- Never ending diversity: two new species of the genus (Digenea: Allocreadiidae) including new keys to the genus. Vainutis, K S Animals Trematoda Fish Diseases Phylogeny Trematode Infections Russia Cyprinidae Intestines RNA, Ribosomal, 28S DNA, Helminth Rivers Lakes Two new species of the genus were isolated from the intestines of the Lake minnow caught in the backwater of the Komissarovka River in the South of the Russian Far East. The morphology of n. sp. corresponds to that of sp. from Lake Khar (Mongolia) and sp. Belous, 1952 from the Primorsky region of Russia except for the preacetabular anterior border of the vitelline follicles in n. sp. from the Komissarovka River vs. at anterior half of ventral sucker in sp. Genetic analysis revealed the identity of n. sp. to sp. 1 from the Nezhinka River and Lake Khar. n. sp. was differentiated from Palaearctic spp. by having the following features: respectively large vitelline follicles extending from posterior extremity to anterior margin of the ventral sucker; relatively short caeca reaching the border of middle and posterior thirds of hindbody; and small testes in the middle of hindbody. Interspecific genetic p-distances between spp. were 0.16-7.23% in 28S gene and 18.62-31.54% in mtDNA gene. In the phylogenetic tree reconstructed with Maximum parsimony and Bayesian Inference methods, n. sp. and n. sp. were nested into different species groups of the genus - sister to and , respectively. Modified dichotomous keys were prepared for 31 Palaearctic species of including , , , , n. sp., and n. sp.