Spontaneous rate of clonal single nucleotide mutations in Daphnia galeata.
PLoS One
; 17(4): e0265632, 2022.
Article
in En
| MEDLINE
| ID: mdl-35363773
ABSTRACT
Mutations are the ultimate source of heritable variation and therefore the fuel for evolution, but direct estimates of mutation rates exist only for few species. We estimated the spontaneous single nucleotide mutation rate among clonal generations in the waterflea Daphnia galeata with a short-term mutation accumulation approach. Individuals from eighteen mutation accumulation lines over five generations were deep sequenced to count de novo mutations that were not present in a pool of F1 individuals, representing the parental genotype. We identified 12 new nucleotide mutations in 90 clonal generational passages. This resulted in an estimated single nucleotide mutation rate of 0.745 x 10-9 (95% c.f. 0.39 x 10-9-1.26 x 10-9), which is slightly lower than recent estimates for other Daphnia species. We discuss the implications for the population genetics of Cladocerans.
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Daphnia
/
Nucleotides
Limits:
Animals
Language:
En
Journal:
PLoS One
Journal subject:
CIENCIA
/
MEDICINA
Year:
2022
Document type:
Article
Affiliation country:
Germany