Microbiome response differs among selected lines of Sydney rock oysters to ocean warming and acidification

被引：19
作者：
Scanes, Elliot [1 ,2 ]
Parker, Laura M. [3 ]
Seymour, Justin R. [1 ]
Siboni, Nachshon [1 ]
King, William L. [1 ,4 ]
Wegner, K. Mathias [5 ]
Dove, Michael C. [6 ]
O'Connor, Wayne A. [6 ]
Ross, Pauline M. [2 ]
机构：
[1] Univ Technol Sydney, Climate Change Cluster, Ultimo, NSW 2007, Australia
[2] Univ Sydney, Sch Life & Environm Sci, Camperdown, NSW 2006, Australia
[3] Univ New South Wales, Sch Biol Earth & Environm Sci, Kensington, NSW 2052, Australia
[4] Penn State Univ, Dept Plant Pathol & Environm Microbiol, University Pk, PA 16802 USA
[5] Helmholtz Ctr Polar & Marine Res, Alfred Wegener Inst, Wadden Sea Stn Sylt, Coastal Ecol, D-25992 List Auf Sylt, Germany
[6] Port Stephens Fisheries Inst, New South Wales Dept Primary Ind, Taylors Beach, NSW 2316, Australia
来源：
FEMS MICROBIOLOGY ECOLOGY | 2021年 / 97卷 / 08期
基金：
澳大利亚研究理事会;
关键词：
microbiome; climate change; ocean warming; ocean acidification; aquaculture; oysters; SACCOSTREA-GLOMERATA; IMPACT; SEAWATER; POPULATIONS; TOLERANCE; DIVERSITY; ANIMALS; CO2;
D O I：
10.1093/femsec/fiab099
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
Oyster microbiomes are integral to healthy function and can be altered by climate change conditions. Genetic variation among oysters is known to influence the response of oysters to climate change and may ameliorate any adverse effects on oyster microbiome; however, this remains unstudied. Nine full-sibling selected breeding lines of the Sydney rock oyster (Saccostrea glomerata) were exposed to predicted warming (ambient = 24 degrees C, elevated = 28 degrees C) and ocean acidification (ambient pCO(2) = 400, elevated pCO(2) = 1000 mu atm) for 4 weeks. The haemolymph bacterial microbiome was characterized using 16S rRNA (V3-V4) gene sequencing and varied among oyster lines in the control (ambient pCO(2), 24 degrees C) treatment. Microbiomes were also altered by climate change dependent on oyster lines. Bacterial alpha-diversity increased in response to elevated pCO(2) in two selected lines, while bacterial beta-diversity was significantly altered by combinations of elevated pCO(2) and temperature in four selected lines. Climate change treatments caused shifts in the abundance of multiple amplicon sequence variants driving change in the microbiome of some selected lines. We show that oyster genetic background may influence the Sydney rock oyster haemolymph microbiome under climate change and that future assisted evolution breeding programs to enhance resilience should consider the oyster microbiome.
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页数：13
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