The Antarctic krill Euphausia superba shows diurnal cycles of transcription under natural conditions.

ABSTRACT:

Background

Polar environments are characterized by extreme seasonal changes in day length, light intensity and spectrum, the extent of sea ice during the winter, and food availability. A key species of the Southern Ocean ecosystem, the Antarctic krill (Euphausia superba) has evolved rhythmic physiological and behavioral mechanisms to adapt to daily and seasonal changes. The molecular organization of the clockwork underlying these biological rhythms is, nevertheless, still only partially understood.

Methodology/principal findings

The genome sequence of the Antarctic krill is not yet available. A normalized cDNA library was produced and pyrosequenced in the attempt to identify large numbers of transcripts. All available E. superba sequences were then assembled to create the mo

SUBMITTER: De Pitta C 

PROVIDER: S-EPMC3714250 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature