Molecular cloning and characterization of the clock gene period2 in the testis of lizard Podarcis sicula and its expression during seasonal reproductive cycle
Keywords: per2; per2; period2; SCN; suprachiasmatic nucleus; ck1É; casein kinase 1É; cry; cryptochrome1; cry2; cryptochrome2; per1; period1; per3; period3; per; period; PAS; Per (period circadian protein)-Arnt (Ah receptor nuclear translocator protein)-Sim (single-