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HSP70 from the Antarctic sea urchin Sterechinus neumayeri: molecular characterization and expression in response to heat stress
Provedor de dados: 5
Autores: Gonzalez-aravena, Marcelo; Calfio, Camila; Mercado, Luis; Morales-lange, Byron; Bethke, Jorn; De Lorgeril, Julien; Cardenas, Cesar A.
Background Heat stress proteins are implicated in stabilizing and refolding denatured proteins in vertebrates and invertebrates. Members of the Hsp70 gene family comprise the cognate heat shock protein (Hsc70) and inducible heat shock protein (Hsp70). However, the cDNA sequence and the expression of Hsp70 in the Antarctic sea urchin are unknown. Methods We amplified and cloned a transcript sequence of 1991 bp from the Antarctic sea urchin Sterechinus neumayeri, experimentally exposed to heat stress (5  and 10 °C for 1, 24 and 48 h). RACE-PCR and qPCR were employed to determine Hsp70 gene expression, while western blot and ELISA methods were used to determine protein expression. Results The sequence obtained from S. neumayeri showed high identity with Hsp70...
Tipo: Text
Palavras-chave: Hsp70; Coelomocytes; Antarctica; Echinoderms; Climate change.
Ano: 2018
URL: https://archimer.ifremer.fr/doc/00435/54619/56019.pdf