The impact of rising sea temperature on innate immune parameters in the tropical subtidal sea urchin Lytechinus variegatus and the intertidal sea urchin Echinometra lucunter

Autor(es)

Branco, Paola Cristina ^[1] ; Shimada Borges, Joao Carlos ^[1] ; Santos, Marinilce Fagundes ^[1] ; Jensch Junior, Bernard Ernesto ^{[1, 2]} ; Machado Cunha da Silva, Jose Roberto ^{[1, 2]}

Afiliação do(s) autor(es)

^[1] Univ Sao Paulo, Inst Biomed Sci, Dept Cell & Dev Biol, BR-05508000 Sao Paulo - Brazil

^[2] Univ Sao Paulo, Marine Biol Ctr, CEBIMar, BR-11600000 Sao Sebastiao, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: MARINE ENVIRONMENTAL RESEARCH; v. 92, p. 95-101, DEC 2013.
• Citações Web of Science: 13

Resumo

Ocean temperatures are rising throughout the world, making it necessary to evaluate the impact of these temperature changes on sea urchins, which are well-known bioindicators. This study evaluated the effect of an increase in temperature on the immune response of the subtidal Lytechinus variegatus and the intertidal Echinometra lucunter sea urchins. Both species were exposed to 20 (control), 25 and 30 degrees C temperatures for 24 h, 2, 7 and 14 days. Counting of coelomocytes and assays on the phagocytic response, adhesion and spreading of coelomocytes were performed. Red and colorless sphere cells were considered biomarkers for heat stress. Moreover, a significant decrease in the phagocytic indices and a decrease in both cell adhesion and cell spreading were observed at 25 and 30 degrees C for L variegatus. For E. lucunter, the only alteration observed was for the cell proportions. This report shows how different species of sea urchins respond immunologically to rising temperatures. (C) 2013 Elsevier Ltd. All rights reserved. (AU)

• Processo FAPESP: 11/15612-6 - Análise comparativa da resposta imune inata de ouriços-do-mar tropicais Lytechinus variegatus e Echinometra lucunter frente ao aquecimento global
• Beneficiário: José Roberto Machado Cunha da Silva
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 11/06044-4 - Análise comparativa da resposta imune inata de ouriços do mar tropicais Lytechinus variegatus e Echinometra lucunter frente ao aquecimento global
• Beneficiário: Paola Cristina Branco
• Modalidade de apoio: Bolsas no Brasil - Doutorado Direto