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The evolutionary journey of freshwater crabs of the genus Potamon (Decapoda: Brachyura: Potamidae)

Ghanavi, Hamid Reza LU orcid ; Rahimi, Paniz ; Tavana, Mina ; Rezaei Tavabe, Kamran ; Jouladeh-Roudbar, Arash and Doadrio, Ignacio (2023) In Molecular Phylogenetics and Evolution 180.
Abstract

AIM: Freshwater ecosystems host a rich biodiversity, including freshwater crabs. The family Potamidae is a diverse group of freshwater crabs with a Palearctic and Oriental distribution. Specifically, the genus Potamon is found in the Middle East, Southern Europe, and Northern Africa. Potamon species are considered true freshwater crabs due to their total independence from the marine environment, which makes them idea organisms to study historical freshwater connectivity dynamics. In this study we aim to elucidate the phylogenetic relationships of the genus Potamon and discuss the historical freshwater connectivity in the Mediterranean region.

METHODS: Here we use up to eleven genetic markers to reconstruct a robust phylogenetic... (More)

AIM: Freshwater ecosystems host a rich biodiversity, including freshwater crabs. The family Potamidae is a diverse group of freshwater crabs with a Palearctic and Oriental distribution. Specifically, the genus Potamon is found in the Middle East, Southern Europe, and Northern Africa. Potamon species are considered true freshwater crabs due to their total independence from the marine environment, which makes them idea organisms to study historical freshwater connectivity dynamics. In this study we aim to elucidate the phylogenetic relationships of the genus Potamon and discuss the historical freshwater connectivity in the Mediterranean region.

METHODS: Here we use up to eleven genetic markers to reconstruct a robust phylogenetic tree of the group and use Bayesian methods to time-calibrate the tree. We further use historical biogeography methods implemented in a Bayesian framework to assess the ancestral distribution ranges of the group.

RESULTS: In this study we generate the most complete dataset for the group, covering practically the whole distribution range of the genus. We obtained a robust phylogenetic hypothesis and evaluated the times of divergence of the group. The result of the historical biogeography shows the evolution of historical distribution ranges of species of Potamon.

MAIN CONCLUSIONS: The Mediterranean Sea is placed in a key intersection for the exchange of fauna and flora. Here we present evidence for the potential of freshwater fauna exchange, through the Mediterranean Sea after a period of desiccation and the loss of contact with the ocean. The origin of Potamon genus is found to be in Western Asia, probably Eastern Iran.

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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Freshwater Fauna, Historical Biogeography, Lago Mare, Mediterranean, Potamidae
in
Molecular Phylogenetics and Evolution
volume
180
article number
107690
publisher
Elsevier
external identifiers
  • scopus:85145291702
  • pmid:36586544
ISSN
1095-9513
DOI
10.1016/j.ympev.2022.107690
language
English
LU publication?
yes
id
65d0a1bb-66a1-4fae-80ae-0f3b44cf63f1
date added to LUP
2023-01-07 12:15:02
date last changed
2024-06-27 03:42:07
@article{65d0a1bb-66a1-4fae-80ae-0f3b44cf63f1,
  abstract     = {{<p>AIM: Freshwater ecosystems host a rich biodiversity, including freshwater crabs. The family Potamidae is a diverse group of freshwater crabs with a Palearctic and Oriental distribution. Specifically, the genus Potamon is found in the Middle East, Southern Europe, and Northern Africa. Potamon species are considered true freshwater crabs due to their total independence from the marine environment, which makes them idea organisms to study historical freshwater connectivity dynamics. In this study we aim to elucidate the phylogenetic relationships of the genus Potamon and discuss the historical freshwater connectivity in the Mediterranean region.</p><p>METHODS: Here we use up to eleven genetic markers to reconstruct a robust phylogenetic tree of the group and use Bayesian methods to time-calibrate the tree. We further use historical biogeography methods implemented in a Bayesian framework to assess the ancestral distribution ranges of the group.</p><p>RESULTS: In this study we generate the most complete dataset for the group, covering practically the whole distribution range of the genus. We obtained a robust phylogenetic hypothesis and evaluated the times of divergence of the group. The result of the historical biogeography shows the evolution of historical distribution ranges of species of Potamon.</p><p>MAIN CONCLUSIONS: The Mediterranean Sea is placed in a key intersection for the exchange of fauna and flora. Here we present evidence for the potential of freshwater fauna exchange, through the Mediterranean Sea after a period of desiccation and the loss of contact with the ocean. The origin of Potamon genus is found to be in Western Asia, probably Eastern Iran.</p>}},
  author       = {{Ghanavi, Hamid Reza and Rahimi, Paniz and Tavana, Mina and Rezaei Tavabe, Kamran and Jouladeh-Roudbar, Arash and Doadrio, Ignacio}},
  issn         = {{1095-9513}},
  keywords     = {{Freshwater Fauna; Historical Biogeography; Lago Mare; Mediterranean; Potamidae}},
  language     = {{eng}},
  publisher    = {{Elsevier}},
  series       = {{Molecular Phylogenetics and Evolution}},
  title        = {{The evolutionary journey of freshwater crabs of the genus Potamon (Decapoda: Brachyura: Potamidae)}},
  url          = {{http://dx.doi.org/10.1016/j.ympev.2022.107690}},
  doi          = {{10.1016/j.ympev.2022.107690}},
  volume       = {{180}},
  year         = {{2023}},
}