Interactive effects of multiple stressors on the physiological performance of the invasive mussel Mytilus galloprovincialis

被引：8

作者：

Vasquez, M. Christina ^{[1
,2
,3
]}

Houston, Clare T. ^{[1
]}

Alcantar, Claribel Y. ^{[1
,2
]}

Milshteyn, Larry ^{[1
]}

Brazil, Camya A. ^{[1
]}

Zepeda, Osiris Guinea ^{[1
,2
]}

机构：

[1] Loyola Marymount Univ, Biol Dept, Los Angeles, CA 90045 USA

[2] Loyola Marymount Univ, Coastal Res Inst, Los Angeles, CA 90045 USA

[3] Loyola Marymount Univ, Biol Dept, 1 LMU Dr, Los Angeles, CA 90045 USA

来源：

MARINE ENVIRONMENTAL RESEARCH | 2022年 / 178卷

关键词：

Synergistic interaction; Metabolic rate; Clearance rate; Antioxidant enzymes; Hyposalinity; Heat shock; BLUE MUSSELS; THERMAL TOLERANCE; GENUS MYTILUS; HEAT-STRESS; TRANSCRIPTOMIC RESPONSES; OXIDATIVE STRESS; FILTRATION-RATE; EDULIS; TEMPERATURE; PROTEIN;

D O I：

10.1016/j.marenvres.2022.105665

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The invasive mussel Mytilus galloprovincialis is a heat-tolerant species relative to its competative congener M. trossulus, that dominates warm seawater environments but it is unknown how multiple stressors (MS) may affect its physiology. Our study determined the effects of MS on the metabolic rate (MR), superoxide dismutase (SOD) antioxidant enzyme activity, and clearance rate (CR) of M. galloprovincialis. Mussels were exposed for 7 d to hyposalinity (20, 28, 34 ppt) then to heat shock (17, 20, 25 ?) after which MR and SOD activity were determined. CR was quantified following a 30 min MS exposure. We found a significant influence of MS on MR, SOD, and CR. We identified synergistic effects on MR under the most extreme treatment. SOD activity was the greatest under 20 C exposure while CR declined under heat shock. Thus, our study suggests that mussels experiencing MS may become energy limited as MR increases and feeding rates decrease.

引用

页数：9

共 56 条

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