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Article

Phylogeography of Sarmarutilus rubilio (Cypriniformes: Leuciscidae): Complex Genetic Structure, Clues to a New Cryptic Species and Further Insights into Roaches Phylogeny

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Department of Biology and Biotechnology “C. Darwin”, Sapienza University of Rome, 00161 Rome, Italy
2
Department of Biology, University of Rome “Tor Vergata”, 00133 Rome, Italy
3
Center for BioNatural Studies srl, 16132 Genova, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Ze Zhang
Genes 2022, 13(6), 1071; https://doi.org/10.3390/genes13061071
Received: 4 May 2022 / Revised: 27 May 2022 / Accepted: 13 June 2022 / Published: 15 June 2022
(This article belongs to the Section Population and Evolutionary Genetics and Genomics)
Italy hosts a large number of endemic freshwater fish species due to complex geological events which promoted genetic differentiation and allopatric speciation. Among them, the South European roach Sarmarutilus rubilio inhabits various freshwater environments in three different ichthyogeographic districts. We investigated the genetic diversity of S. rubilio using two different mitochondrial markers (COI and CR), aiming to define its relationship with other similar taxa from the Balkan area and, from a phylogeographic perspective, test the effects of past hydrogeological dynamics of Italian river basins on its genetic structure and demographic history. Our analysis highlighted a marked genetic divergence between S. rubilio and all other roach species and, among Italian samples, revealed the existence of three deeply divergent geographic haplogroups, named A, B and C. Haplogroup C likely corresponds to a new putative cryptic species and is located at the northern border of the South European roach range; haplogroup B is restricted to Southern Italy; and haplogroup A is widespread across the entire range and in some sites it is in co-occurrence with C or B. Their origin is probably related to the tectonic uplifting of the Apuan Alps in the north and of the Colli Albani Volcano in the south during the Pleistocene, which promoted isolation and vicariance followed by secondary contacts. View Full-Text
Keywords: Italian ichthyogeographic districts; Albanian lakes; Rutilus; Leucos; freshwater fish; Cyfun P; cytochrome oxidase I; control region; vicariance events; secondary contacts; conservation genetics Italian ichthyogeographic districts; Albanian lakes; Rutilus; Leucos; freshwater fish; Cyfun P; cytochrome oxidase I; control region; vicariance events; secondary contacts; conservation genetics
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MDPI and ACS Style

Petrosino, G.; Tancioni, L.; Turani, M.; Rakaj, A.; Ciuffardi, L.; Rossi, A.R. Phylogeography of Sarmarutilus rubilio (Cypriniformes: Leuciscidae): Complex Genetic Structure, Clues to a New Cryptic Species and Further Insights into Roaches Phylogeny. Genes 2022, 13, 1071. https://doi.org/10.3390/genes13061071

AMA Style

Petrosino G, Tancioni L, Turani M, Rakaj A, Ciuffardi L, Rossi AR. Phylogeography of Sarmarutilus rubilio (Cypriniformes: Leuciscidae): Complex Genetic Structure, Clues to a New Cryptic Species and Further Insights into Roaches Phylogeny. Genes. 2022; 13(6):1071. https://doi.org/10.3390/genes13061071

Chicago/Turabian Style

Petrosino, Gerardo, Lorenzo Tancioni, Martina Turani, Arnold Rakaj, Luca Ciuffardi, and Anna Rita Rossi. 2022. "Phylogeography of Sarmarutilus rubilio (Cypriniformes: Leuciscidae): Complex Genetic Structure, Clues to a New Cryptic Species and Further Insights into Roaches Phylogeny" Genes 13, no. 6: 1071. https://doi.org/10.3390/genes13061071

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