A first report of the genome size for the freshwater-crab family Trichodactylidae (Decapoda: Brachyura)

The evaluation of genome size has emerged as a resource for populational, biogeographic, and evolutionary interpretations. Still, little has been recorded on the size of the genomes of decapod crustaceans, mainly freshwater species. Using flow cytometry, we aimed to provide new data on the genome si...

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Bibliographic Details
Published in:Journal of crustacean biology 2024-06, Vol.44 (2), p.1
Main Authors: Barioto, João G, Moraes, Isabela R R, Castilho, Antonio L
Format: Article
Language:English
Subjects:
Aquatic crustaceans
Biogeography
Crabs
Crustaceans
Decapoda
Flow cytometry
Fresh water
Freshwater
Freshwater crustaceans
Genomes
Inland water environment
Marine crustaceans
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Summary:The evaluation of genome size has emerged as a resource for populational, biogeographic, and evolutionary interpretations. Still, little has been recorded on the size of the genomes of decapod crustaceans, mainly freshwater species. Using flow cytometry, we aimed to provide new data on the genome size of the freshwater crabs Trichodactylus fluviatilisLatreille, 1828 and T. petropolitanus (Göldi, 1886) in São Paulo state, southern Brazil. We analyzed 12 individuals with a c-value of 8.0–9.6 picograms. We observed a tendency for freshwater crabs with direct development to have a higher genome-size value than those decapods with indirect development, which links the possible relationship of genome size with the developmental pattern.
ISSN:0278-0372
1937-240X
DOI:10.1093/jcbiol/ruae035