Transcriptome comparison reveals a genetic network regulating the lower temperature limit in fish

ABSTRACT: Transcriptional plasticity is a major driver of phenotypic differences between species. The lower temperature limit (LTL), namely the lower end of survival temperature, is an important trait delimiting the geographical distribution of a species, however, the genetic mechanisms are poorly understood. We investigated the inter-species transcriptional diversification in cold responses between zebrafish Danio rerio and tilapia Oreochromis niloticus, which were reared at a common temperature (28°C) but have distinct LTLs. We identified significant expressional divergence between the two species in the orthologous genes from gills when the temperature cooled to the LTL of tilapia (8°C). Five KEGG pathways were found sequentially over-represented in the zebrafish/tilapia divergently expressed g

ORGANISM(S): Danio rerio

SUBMITTER: Peng Hu 

PROVIDER: E-GEOD-69965 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress