Climate change alters the haemolymph microbiome of oysters

MARINE POLLUTION BULLETIN

卷:164

Article

Scanes, Elliot¹  Parker, Laura M.²  Seymour, Justin R.³  Siboni, Nachshon³  King, William L.^3,4  Danckert, Nathan P.¹  Wegner, K. Mathias⁵  Dove, Michael C.⁶  O'Connor, Wayne A.⁶  Ross, Pauline M.¹ 

[1] Univ Sydney, Sch Life & Environm Sci, Camperdown, NSW 2006, Australia

[2] Univ New South Wales, Sch Biol Earth & Environm Sci, Kensington, NSW 2052, Australia

[3] Univ Technol Sydney, Climate Change Cluster, Ultimo, NSW 2007, Australia

[4] Penn State Univ, Dept Plant Pathol & Environm Microbiol, University Pk, PA 16802 USA

[5] Alfred Wegener Inst, Helmholtz Ctr Polar & Marine Res, Coastal Ecol, Wadden Sea Stn, D-25992 List Auf Sylt, Sylt, Germany

[6] Port Stephens Fisheries Inst, New South Wales Dept Primary Ind, Taylors Beach, NSW 2316, Australia

关键词: Microbiome;    Oyster;    Climate change;    Bivalve;    Aquaculture;    Ocean acidification;   

DOI  :  10.1016/j.marpolbul.2021.111991

来源: Elsevier

【 摘 要 】

The wellbeing of marine organisms is connected to their microbiome. Oysters are a vital food source and provide ecological services, yet little is known about how climate change such as ocean acidification and warming will affect their microbiome. We exposed the Sydney rock oyster, Saccostrea glomerata, to orthogonal combinations of temperature (24, 28 degrees C) and pCO(2) (400 and 1000 mu atm) for eight weeks and used amplicon sequencing of the 16S rRNA (V3-V4) gene to characterise the bacterial community in haemolymph. Overall, elevated pCO(2) and temperature interacted to alter the microbiome of oysters, with a clear partitioning of treatments in CAP ordinations. Elevated pCO(2) was the strongest driver of species diversity and richness and elevated temperature also increased species richness. Climate change, both ocean acidification and warming, will alter the microbiome of S. glomerata which may increase the susceptibility of oysters to disease.

【 授权许可】

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