Vulnerability to Fishing and Life History Traits Correlate with the Load of Deleterious Mutations in Teleosts.
Mol Biol Evol
; 37(8): 2192-2196, 2020 08 01.
Article
em En
| MEDLINE
| ID: mdl-32163146
ABSTRACT
Understanding why some species accumulate more deleterious substitutions than others is an important question relevant in evolutionary biology and conservation sciences. Previous studies conducted in terrestrial taxa suggest that life history traits correlate with the efficiency of purifying selection and accumulation of deleterious mutations. Using a large genome data set of 76 species of teleostean fishes, we show that species with life history traits associated with vulnerability to fishing have an increased rate of deleterious mutation accumulation (measured via dN/dS, i.e., nonsynonymous over synonymous substitution rate). Our results, focusing on a large clade of aquatic species, generalize previous patterns found so far in few clades of terrestrial vertebrates. These results also show that vulnerable species to fishing inherently accumulate more deleterious substitutions than nonthreatened ones, which illustrates the potential links among population genetics, ecology, and fishing policies to prevent species extinction.
Palavras-chave
Texto completo:
1
Bases de dados:
MEDLINE
Assunto principal:
Pesqueiros
/
Peixes
/
Acúmulo de Mutações
/
Características de História de Vida
Limite:
Animals
Idioma:
En
Revista:
Mol Biol Evol
Assunto da revista:
BIOLOGIA MOLECULAR
Ano de publicação:
2020
Tipo de documento:
Article
País de afiliação:
Canadá