Project description:Brains from female Astatotilapia burtoni were sampled at four timepoints throughout the reproductive cycle with the primary goal of comparing transcriptome profiles at the different stages and identifying genes and networks involved in parental and fasting behaviors.

2022-12-25 | GSE192958 | GEO

fAstCal1

Project description:Astatotilapia calliptera (eastern happy) genome assembly, fAstCal1

| PRJEB24325 | ENA

Evolutionary divergence in life history traits among populations of the Lake Malawi cichlid fish <i>Astatotilapia calliptera</i>.

Project description:During the early stages of adaptive radiation, populations diverge in life history traits such as egg size and growth rates, in addition to eco-morphological and behavioral characteristics. However, there are few studies of life history divergence within ongoing adaptive radiations. Here, we studied Astatotilapia calliptera, a maternal mouthbrooding cichlid fish within the Lake Malawi haplochromine radiation. This species occupies a rich diversity of habitats, including the main body of Lake Malawi, as well as peripheral rivers and shallow lakes. We used common garden experiments to test for life history divergence among populations, focussing on clutch size, duration of incubation, egg mass, offspring size, and growth rates. In a first experiment, we found significant differences among populations in average clutch size and egg mass, and larger clutches were associated with smaller eggs. In a second experiment, we found significant differences among populations in brood size, duration of incubation, juvenile length when released, and growth rates. Larger broods were associated with smaller juveniles when released and shorter incubation times. Although juvenile growth rates differed between populations, these were not strongly related to initial size on release. Overall, differences in life history characters among populations were not predicted by major habitat classifications (Lake Malawi or peripheral habitats) or population genetic divergence (microsatellite-based FST). We suggest that the observed patterns are consistent with local selective forces driving the observed patterns of trait divergence. The results provide strong evidence of evolutionary divergence and covariance of life history traits among populations within a radiating cichlid species, highlighting opportunities for further work to identify the processes driving the observed divergence.

| S-EPMC5648681 | biostudies-literature

Astatotilapia latifasciata isolate:MJ-2025

Project description:Astatotilapia latifasciata isolate:MJ-2025 Genome sequencing

| PRJNA1268020 | ENA

Whole brain RNA-seq from maternal Astatotilapia burtoni

Project description:Whole brain RNA-seq from maternal Astatotilapia burtoni

| PRJNA793887 | ENA

Malawi Duplication 20091207

Project description:Metriaclima estherae, Protomelas similis, Rhamphochromis "chilingali", and Astatotilapia tweddlei genomic DNA hybridized with Astatotilapia burtoni genomic DNA

2009-12-09 | GSE19368 | GEO

OmicsDI is part of the ELIXIR infrastructure

OmicsDI is an Elixir interoperability service. Learn more ›

Tweets

OmicsDI Databases

PRIDE
PeptideAtlas
MassIVE
JPOST Repository
Physiome Model Repository

EGA
EVA
ENA
LINCS
PAXDB
Cell Collective

MetaboLights
Metabolomics Workbench
MetabolomeExpress
GNPS
BioModels
FAIRDOMHub

ArrayExpress
dbGaP
ExpressionAtlas
GEO
NODE

Information

Databases
Help
API
Contact us
Code on GitHub
Terms of use
Submit Data