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Hinz H, Terrados J, Moranta J, Reñones O, Ruiz-Frau A, Catalán IA. A risk-based approach to the analysis of potential climate change effects on fish communities associated to Posidonia oceanica in the Mediterranean. MARINE ENVIRONMENTAL RESEARCH 2024; 199:106618. [PMID: 38959782 DOI: 10.1016/j.marenvres.2024.106618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/07/2024] [Accepted: 06/19/2024] [Indexed: 07/05/2024]
Abstract
The Mediterranean is recognized as a climate change hotspot, with ongoing warming anticipated to impact its habitats and their associated fish fauna. Among these habitats, the seagrass Posidonia oceanica stands out as a foundational species, critical for the stability of coastal fish communities. However, our understanding of climate change consequences on P. oceanica associated fish fauna to date remains limited in part due to a lack of long-term data. This study aimed to highlight potential climate change risks to fish species associated with Posidonia, integrating data on species' thermal envelopes with their habitat and depth preferences into a climate change risk index. Specifically, 9 species, including three pipefish and several wrasse species of the genus Symphodus, emerged as being at higher potential risk from climatic change. A historical time series from Palma Bay (Balearic Islands, Spain), spanning 45 years and providing clear evidence of warming, was employed to evaluate trends in species abundance and occurrence in relation to their relative climate risk score. While certain high-risk species like Symphodus cinereus and Diplodus annularis showed an increase in abundance over time, others, such as the pipefish Syngnathus acus, Syngnathus typhle and Nerophis maculatus experienced declines. The absence of observed declines in some high-risk species could be attributed to several factors, such as acclimation, adaptation, or unmet response thresholds. However, this does not rule out the potential for future changes in these species. Factors such as increased nutrient influx due to growing human populations and changes in fishing regulations may also have contributed to the observed trends. These findings underscore the intricate interplay of environmental and anthropogenic factors and accentuate the pressing need for sustained, long-term data acquisition to fathom the implications of climate change on this highly important marine ecosystem.
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Affiliation(s)
- Hilmar Hinz
- Mediterranean Institute for Advanced Studies (IMEDEA, UIB-CSIC), 07190, Esporles, Balearic Islands, Spain.
| | - Jorge Terrados
- Mediterranean Institute for Advanced Studies (IMEDEA, UIB-CSIC), 07190, Esporles, Balearic Islands, Spain
| | - Joan Moranta
- Centre Oceanogràfic de Balears (COB, IEO-CSIC) Moll de Ponent, s/n, 07015, Palma, Balearic Islands, Spain
| | - Olga Reñones
- Centre Oceanogràfic de Balears (COB, IEO-CSIC) Moll de Ponent, s/n, 07015, Palma, Balearic Islands, Spain
| | - Ana Ruiz-Frau
- Mediterranean Institute for Advanced Studies (IMEDEA, UIB-CSIC), 07190, Esporles, Balearic Islands, Spain
| | - Ignacio A Catalán
- Mediterranean Institute for Advanced Studies (IMEDEA, UIB-CSIC), 07190, Esporles, Balearic Islands, Spain
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Tobias Z, Solow A, Tepolt C. Geography and developmental plasticity shape post-larval thermal tolerance in the golden star tunicate, Botryllus schlosseri. J Therm Biol 2024; 119:103763. [PMID: 38071896 DOI: 10.1016/j.jtherbio.2023.103763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 10/26/2023] [Accepted: 11/19/2023] [Indexed: 02/25/2024]
Abstract
Local adaptation and phenotypic plasticity play key roles in mediating organisms' ability to respond to spatiotemporal variation in temperature. These two processes often act together to generate latitudinal or elevational clines in acute temperature tolerance. Phenotypic plasticity is also subject to local adaptation, with the expectation that populations inhabiting more variable environments should exhibit greater phenotypic plasticity of thermal tolerance. Here we examine the potential for local adaptation and developmental plasticity of thermal tolerance in the widespread invasive tunicate Botryllus schlosseri. By comparing five populations across a thermal gradient spanning 4.4° of latitude in the northwest Atlantic, we demonstrate that warmer populations south of the Gulf of Maine exhibit significantly increased (∼0.2 °C) post-larval temperature tolerance relative to the colder populations within it. We also show that B. schlosseri post-larvae possess a high degree of developmental plasticity for this trait, shifting their median temperature of survival (LT50) upwards by as much as 0.18 °C per 1 °C increase in environmental temperature. Lastly, we found that populations vary in their degrees of developmental plasticity, with populations that experience more pronounced short-term temperature variability exhibiting greater developmental plasticity, suggesting the local adaptation of developmental plasticity. By comparing the thermal tolerance of populations across space and through time, we demonstrate how geography and developmental plasticity have shaped thermal tolerance in B. schlosseri. These results help inform our understanding of how species are able to adjust their thermal physiology in new environments, including those encountered during invasion and under increasingly novel climate conditions.
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Affiliation(s)
- Zachary Tobias
- MIT-WHOI Joint Program in Oceanography/Applied Ocean Science and Engineering, Cambridge and Woods Hole, MA, USA; Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA; Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA, USA.
| | - Andrew Solow
- Marine Policy Center, Woods Hole Oceanographic Institution, Woods Hole, MA, USA
| | - Carolyn Tepolt
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA, USA
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Sharma SS, Venter L, Frost EJ, Alfaro AC, Ragg NLC, Zamora LN. Behavioural and physiological responses of juvenile geoduck (Panopea zelandica) following acute thermal stress. Comp Biochem Physiol B Biochem Mol Biol 2024; 269:110892. [PMID: 37573964 DOI: 10.1016/j.cbpb.2023.110892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/04/2023] [Accepted: 08/10/2023] [Indexed: 08/15/2023]
Abstract
Climate extremes, such as heatwaves, are expected to become more intense and of longer duration in the near future. These climatic conditions may have a significant impact on the prospects of establishing a new aquaculture industry for the endemic New Zealand geoduck, Panopea zelandica. This study focused on characterising animal behaviour, haemocytes , and heat shock protein (HSP70 & HSP90) mRNA expression following exposure to elevated temperatures, such as those encountered during marine heatwaves around 20 °C and an extreme scenario of 25 °C, contrasted to an ambient temperature of 17 °C. After 24 h of heat challenge, P. zelandica were found to be significantly influenced by the thermal changes, as there were differences recorded in all the responses examined. With increasing temperatures, juvenile geoduck were observed to fully emerge from the sediment a behaviour that has not previously been quantified nor associated with stress in this species. The ability of P. zelandica juveniles to re-bury still warrants further investigation, as adults are unable to do so. Haemocyte analyses revealed an increase in the abundance of granulocytes, cellular aggregations, and size of these aggregations at the highest temperature exposure. Increased expression of the hsp70 gene in the haemolymph after exposure at 25 °C for 24 h was detected and attributed to attempts to mitigate protein denaturation caused by thermal stress. The inter-individual variability in the response of heat shock proteins recorded could aid in future selective breeding programs if it is reflected in net thermotolerance. P. zelandica shows great potential for growing in subtidal habitats around New Zealand, and this study highlights the importance of temperature considerations when selecting potential farm and reseeding locations.
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Affiliation(s)
- Shaneel S Sharma
- Aquaculture Biotechnology Research Group, Department of Environmental Science, School of Science, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand
| | - Leonie Venter
- Aquaculture Biotechnology Research Group, Department of Environmental Science, School of Science, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand
| | - Emily J Frost
- Aquaculture Biotechnology Research Group, Department of Environmental Science, School of Science, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand
| | - Andrea C Alfaro
- Aquaculture Biotechnology Research Group, Department of Environmental Science, School of Science, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand.
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Pinnow N, Chibani CM, Güllert S, Weiland-Bräuer N. Microbial community changes correlate with impaired host fitness of Aurelia aurita after environmental challenge. Anim Microbiome 2023; 5:45. [PMID: 37735458 PMCID: PMC10515101 DOI: 10.1186/s42523-023-00266-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 09/10/2023] [Indexed: 09/23/2023] Open
Abstract
Climate change globally endangers certain marine species, but at the same time, such changes may promote species that can tolerate and adapt to varying environmental conditions. Such acclimatization can be accompanied or possibly even be enabled by a host's microbiome; however, few studies have so far directly addressed this process. Here we show that acute, individual rises in seawater temperature and salinity to sub-lethal levels diminished host fitness of the benthic Aurelia aurita polyp, demonstrated by up to 34% reduced survival rate, shrinking of the animals, and almost halted asexual reproduction. Changes in the fitness of the polyps to environmental stressors coincided with microbiome changes, mainly within the phyla Proteobacteria and Bacteroidota. The absence of bacteria amplified these effects, pointing to the benefit of a balanced microbiota to cope with a changing environment. In a future ocean scenario, mimicked by a combined but milder rise of temperature and salinity, the fitness of polyps was severely less impaired, together with condition-specific changes in the microbiome composition. Our results show that the effects on host fitness correlate with the strength of environmental stress, while salt-conveyed thermotolerance might be involved. Further, a specific, balanced microbiome of A. aurita polyps supports the host's acclimatization. Microbiomes may provide a means for acclimatization, and microbiome flexibility can be a fundamental strategy for marine animals to adapt to future ocean scenarios and maintain biodiversity and ecosystem functioning.
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Affiliation(s)
- Nicole Pinnow
- General Microbiology, Kiel University, Am Botanischen Garten 1-9, 24118, Kiel, Germany
| | - Cynthia M Chibani
- General Microbiology, Kiel University, Am Botanischen Garten 1-9, 24118, Kiel, Germany
| | - Simon Güllert
- General Microbiology, Kiel University, Am Botanischen Garten 1-9, 24118, Kiel, Germany
- Current address: Sysmex Inostics GmbH, Falkenried 88, 20251, Hamburg, Germany
| | - Nancy Weiland-Bräuer
- General Microbiology, Kiel University, Am Botanischen Garten 1-9, 24118, Kiel, Germany.
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Guo F, Ye Y, Zhu K, Lin S, Wang Y, Dong Z, Yao R, Li H, Wang W, Liao Z, Guo B, Yan X. Genetic Diversity, Population Structure, and Environmental Adaptation Signatures of Chinese Coastal Hard-Shell Mussel Mytilus coruscus Revealed by Whole-Genome Sequencing. Int J Mol Sci 2023; 24:13641. [PMID: 37686445 PMCID: PMC10488143 DOI: 10.3390/ijms241713641] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 08/28/2023] [Accepted: 08/28/2023] [Indexed: 09/10/2023] Open
Abstract
The hard-shell mussel (Mytilus coruscus) is widespread in the temperate coastal areas of the northwest Pacific and holds a significant position in the shellfish aquaculture market in China. However, the natural resources of this species have been declining, and population genetic studies of M. coruscus are also lacking. In this study, we conducted whole-genome resequencing (WGR) of M. coruscus from eight different latitudes along the Chinese coast and identified a total of 25,859,986 single nucleotide polymorphism (SNP) markers. Our findings indicated that the genetic diversity of M. coruscus from the Zhoushan region was lower compared with populations from other regions. Furthermore, we observed that the evolutionary tree clustered into two primary branches, and the Zhangzhou (ZZ) population was in a separate branch. The ZZ population was partly isolated from populations in other regions, but the distribution of branches was not geographically homogeneous, and a nested pattern emerged, consistent with the population differentiation index (FST) results. To investigate the selection characteristics, we utilized the northern M. coruscus populations (Dalian and Qingdao) and the central populations (Zhoushan and Xiangshan) as reference populations and the southern ZZ population as the target population. Our selection scan analysis identified several genes associated with thermal responses, including Hsp70 and CYP450. These genes may play important roles in the adaptation of M. coruscus to different living environments. Overall, our study provides a comprehensive understanding of the genomic diversity of coastal M. coruscus in China and is a valuable resource for future studies on genetic breeding and the evolutionary adaptation of this species.
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Affiliation(s)
- Feng Guo
- National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan 316022, China; (F.G.); (Y.Y.); (S.L.); (H.L.)
| | - Yingying Ye
- National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan 316022, China; (F.G.); (Y.Y.); (S.L.); (H.L.)
| | - Kecheng Zhu
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China;
| | - Shuangrui Lin
- National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan 316022, China; (F.G.); (Y.Y.); (S.L.); (H.L.)
| | - Yuxia Wang
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan 316022, China; (Y.W.); (Z.D.); (R.Y.); (W.W.); (Z.L.)
| | - Zhenyu Dong
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan 316022, China; (Y.W.); (Z.D.); (R.Y.); (W.W.); (Z.L.)
| | - Ronghui Yao
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan 316022, China; (Y.W.); (Z.D.); (R.Y.); (W.W.); (Z.L.)
| | - Hongfei Li
- National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan 316022, China; (F.G.); (Y.Y.); (S.L.); (H.L.)
| | - Weifeng Wang
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan 316022, China; (Y.W.); (Z.D.); (R.Y.); (W.W.); (Z.L.)
| | - Zhi Liao
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan 316022, China; (Y.W.); (Z.D.); (R.Y.); (W.W.); (Z.L.)
| | - Baoying Guo
- National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan 316022, China; (F.G.); (Y.Y.); (S.L.); (H.L.)
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan 316022, China; (Y.W.); (Z.D.); (R.Y.); (W.W.); (Z.L.)
| | - Xiaojun Yan
- National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan 316022, China; (F.G.); (Y.Y.); (S.L.); (H.L.)
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan 316022, China; (Y.W.); (Z.D.); (R.Y.); (W.W.); (Z.L.)
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Dellaert Z, Putnam HM. Reconciling the variability in the biological response of marine invertebrates to climate change. J Exp Biol 2023; 226:jeb245834. [PMID: 37655544 DOI: 10.1242/jeb.245834] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
As climate change increases the rate of environmental change and the frequency and intensity of disturbance events, selective forces intensify. However, given the complicated interplay between plasticity and selection for ecological - and thus evolutionary - outcomes, understanding the proximate signals, molecular mechanisms and the role of environmental history becomes increasingly critical for eco-evolutionary forecasting. To enhance the accuracy of our forecasting, we must characterize environmental signals at a level of resolution that is relevant to the organism, such as the microhabitat it inhabits and its intracellular conditions, while also quantifying the biological responses to these signals in the appropriate cells and tissues. In this Commentary, we provide historical context to some of the long-standing challenges in global change biology that constrain our capacity for eco-evolutionary forecasting using reef-building corals as a focal model. We then describe examples of mismatches between the scales of external signals relative to the sensors and signal transduction cascades that initiate and maintain cellular responses. Studying cellular responses at this scale is crucial because these responses are the basis of acclimation to changing environmental conditions and the potential for environmental 'memory' of prior or historical conditions through molecular mechanisms. To challenge the field, we outline some unresolved questions and suggest approaches to align experimental work with an organism's perception of the environment; these aspects are discussed with respect to human interventions.
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Affiliation(s)
- Zoe Dellaert
- Department of Biological Sciences, University of Rhode Island, 120 Flagg Rd, Kingston, RI 02881, USA
| | - Hollie M Putnam
- Department of Biological Sciences, University of Rhode Island, 120 Flagg Rd, Kingston, RI 02881, USA
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Guo X, Huang M, Luo X, You W, Ke C. Effects of one-year exposure to ocean acidification on two species of abalone. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 852:158144. [PMID: 35988613 DOI: 10.1016/j.scitotenv.2022.158144] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 08/13/2022] [Accepted: 08/16/2022] [Indexed: 06/15/2023]
Abstract
Ocean acidification (OA) resulting from the absorption of excess atmospheric CO2 by the ocean threatens the survival of marine calcareous organisms, including mollusks. This study investigated the effects of OA on adults of two abalone species (Haliotis diversicolor, a subtropical species, and Haliotis discus hannai, a temperate species). Abalone were exposed to three pCO2 conditions for 1 year (ambient, ~ 880, and ~ 1600 μatm), and parameters, including mortality, physiology, immune system, biochemistry, and carry-over effects, were measured. Survival decreased significantly at ~ 800 μatm pCO2 for H. diversicolor, while H. discus hannai survival was negatively affected only at a higher OA level (~ 1600 μatm pCO2). H. diversicolor exhibited depressed metabolic and excretion rates and a higher O:N ratio under OA, indicating a shift to lipids as a metabolism substrate, while these physiological parameters in H. discus hannai were robust to OA. Both abalone failed to compensate for the pH decrease of their internal fluids because of the lowered hemolymph pH under OA. However, the reduced hemolymph pH did not affect total hemocyte counts or tested biomarkers. Additionally, H. discus hannai increased its hemolymph protein content under OA, which could indicate enhanced immunity. Larvae produced by adults exposed to the three pCO2 levels were cultured in the same pCO2 conditions and larval deformation and shell length were measured to observe carry-over effects. Enhanced OA tolerance was observed for H. discus hannai exposed under both of the OA treatments, while that was only observed following parental pCO2 ~ 880 μatm exposure for H. diversicolor. Following pCO2 ~ 1600 μatm parental exposure, H. diversicolor offspring exhibited higher deformation and lower shell growth in all pCO2 treatments. In general, H. diversicolor were more susceptible to OA compared with H. discus hannai, suggesting that H. diversicolor could be unable to adapt to acidified oceans in the future.
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Affiliation(s)
- Xiaoyu Guo
- College of Oceanology and Food Science, Quanzhou Normal University, Quanzhou 362000, PR China; XMU-MRB Abalone Research Center, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, PR China; Fujian Province Key Laboratory for the Development of Bioactive Material from Marine Algae, Quanzhou Normal University, Quanzhou 362000, PR China
| | - Miaoqin Huang
- XMU-MRB Abalone Research Center, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, PR China
| | - Xuan Luo
- XMU-MRB Abalone Research Center, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, PR China
| | - Weiwei You
- XMU-MRB Abalone Research Center, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, PR China
| | - Caihuan Ke
- XMU-MRB Abalone Research Center, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, PR China.
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Skinner MK. Environmental epigenetics and climate change. ENVIRONMENTAL EPIGENETICS 2022; 9:dvac028. [PMID: 36694710 PMCID: PMC9869649 DOI: 10.1093/eep/dvac028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Affiliation(s)
- Michael K Skinner
- Center for Reproductive Biology, School of Biological Sciences, Washington State University, Pullman, WA 99164-4236, USA
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Glidden CK, Field LC, Bachhuber S, Hennessey SM, Cates R, Cohen L, Crockett E, Degnin M, Feezell MK, Fulton‐Bennett HK, Pires D, Poirson BN, Randell ZH, White E, Gravem SA. Strategies for managing marine disease. ECOLOGICAL APPLICATIONS : A PUBLICATION OF THE ECOLOGICAL SOCIETY OF AMERICA 2022; 32:e2643. [PMID: 35470930 PMCID: PMC9786832 DOI: 10.1002/eap.2643] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 02/24/2022] [Indexed: 06/14/2023]
Abstract
The incidence of emerging infectious diseases (EIDs) has increased in wildlife populations in recent years and is expected to continue to increase with global environmental change. Marine diseases are relatively understudied compared with terrestrial diseases but warrant parallel attention as they can disrupt ecosystems, cause economic loss, and threaten human livelihoods. Although there are many existing tools to combat the direct and indirect consequences of EIDs, these management strategies are often insufficient or ineffective in marine habitats compared with their terrestrial counterparts, often due to fundamental differences between marine and terrestrial systems. Here, we first illustrate how the marine environment and marine organism life histories present challenges and opportunities for wildlife disease management. We then assess the application of common disease management strategies to marine versus terrestrial systems to identify those that may be most effective for marine disease outbreak prevention, response, and recovery. Finally, we recommend multiple actions that will enable more successful management of marine wildlife disease emergencies in the future. These include prioritizing marine disease research and understanding its links to climate change, improving marine ecosystem health, forming better monitoring and response networks, developing marine veterinary medicine programs, and enacting policy that addresses marine and other wildlife diseases. Overall, we encourage a more proactive rather than reactive approach to marine wildlife disease management and emphasize that multidisciplinary collaborations are crucial to managing marine wildlife health.
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Affiliation(s)
- Caroline K. Glidden
- Department of Integrative BiologyOregon State UniversityCorvallisOregonUSA
- Present address:
Department of BiologyStanford UniversityStanfordCaliforniaUSA
| | - Laurel C. Field
- Department of Integrative BiologyOregon State UniversityCorvallisOregonUSA
| | - Silke Bachhuber
- Department of Integrative BiologyOregon State UniversityCorvallisOregonUSA
| | | | - Robyn Cates
- College of Veterinary MedicineOregon State UniversityCorvallisOregonUSA
| | - Lesley Cohen
- College of Veterinary MedicineOregon State UniversityCorvallisOregonUSA
| | - Elin Crockett
- College of Veterinary MedicineOregon State UniversityCorvallisOregonUSA
| | - Michelle Degnin
- College of Veterinary MedicineOregon State UniversityCorvallisOregonUSA
| | - Maya K. Feezell
- Department of Integrative BiologyOregon State UniversityCorvallisOregonUSA
| | | | - Devyn Pires
- College of Veterinary MedicineOregon State UniversityCorvallisOregonUSA
| | | | - Zachary H. Randell
- Department of Integrative BiologyOregon State UniversityCorvallisOregonUSA
| | - Erick White
- Department of Integrative BiologyOregon State UniversityCorvallisOregonUSA
| | - Sarah A. Gravem
- Department of Integrative BiologyOregon State UniversityCorvallisOregonUSA
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El Idrissi O, Santini J, Bonnin M, Demolliens M, Aiello A, Gobert S, Pasqualini V, Ternengo S. Stress response to trace elements mixture of different embryo-larval stages of Paracentrotus lividus. MARINE POLLUTION BULLETIN 2022; 183:114092. [PMID: 36084613 DOI: 10.1016/j.marpolbul.2022.114092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 08/23/2022] [Accepted: 08/24/2022] [Indexed: 06/15/2023]
Abstract
This study investigated for the first time the oxidative biomarkers responses in all larval stages of sea urchin. The contamination effects were reproduced by using contaminated seawater to concentrations measured in the area adjacent to an old asbestos mine at factors of 5 and 10. The results suggested that the concentrations were not sufficiently high to induce a major oxidative stress. The biometric differences make this method a more sensitive approach for assessing the effects on sea urchin larvae. Measurements of specific activities of antioxidant enzymes at each stage suggested a high capacity of the larvae to respond to oxidative stress. This normal activity of the organism must be considered in future research. This work also highlighted the importance of spawners provenance in ecotoxicological studies. These data are essential to better understand the stress responses of sea urchin larvae and provide baseline information for later environmental assessment research.
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Affiliation(s)
- O El Idrissi
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France; Université de Corse Pasquale Paoli, UAR CNRS 3514 Plateforme marine Stella Mare, 20620 Biguglia, France; Université de Liège, Centre MARE, Focus, Laboratoire d'Océanologie, Sart-Tilman, B6c, 4000 Liège, Belgium.
| | - J Santini
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France
| | - M Bonnin
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France
| | - M Demolliens
- Université de Corse Pasquale Paoli, UAR CNRS 3514 Plateforme marine Stella Mare, 20620 Biguglia, France
| | - A Aiello
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France; Université de Corse Pasquale Paoli, UAR CNRS 3514 Plateforme marine Stella Mare, 20620 Biguglia, France
| | - S Gobert
- Université de Liège, Centre MARE, Focus, Laboratoire d'Océanologie, Sart-Tilman, B6c, 4000 Liège, Belgium; STAtion de REcherche Sous-marines et Océanographiques (STARESO), 20260 Calvi, France
| | - V Pasqualini
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France; Université de Corse Pasquale Paoli, UAR CNRS 3514 Plateforme marine Stella Mare, 20620 Biguglia, France
| | - S Ternengo
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France; Université de Corse Pasquale Paoli, UAR CNRS 3514 Plateforme marine Stella Mare, 20620 Biguglia, France
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Asnicar D, Zanovello L, Badocco D, Munari M, Marin MG. Different ecological histories of sea urchins acclimated to reduced pH influence offspring response to multiple stressors. ENVIRONMENTAL RESEARCH 2022; 212:113131. [PMID: 35337831 DOI: 10.1016/j.envres.2022.113131] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 03/07/2022] [Accepted: 03/14/2022] [Indexed: 06/14/2023]
Abstract
End-of-the-century predictions on carbon dioxide (CO2) driven ocean acidification and the continuous leakage of pesticides from inland to coastal areas are of concern for potential negative effects on marine species' early life stages which are the most vulnerable to environmental changes. Variations in seawater chemistry related to human activities may interfere with the normal development from embryo to juvenile/adult stage. However, transgenerational studies suggest that the parental generation can influence the offspring phenotype, and thus their performances, based on the environment experienced. Here we compared the transgenerational responses to a multiple stressor scenario in sea urchins (Paracentrotus lividus) that experienced different environments since their settlement: i.e., animals from a highly variable environment, such as the Venice lagoon, versus animals from a coastal area with prevailing oligotrophic conditions in the Northern Adriatic Sea. After long-term maintenance (2 and 6 months) of adult sea urchins at natural and -0.4 units reduced pH, the F1 generations were obtained. Embryos were reared under four experimental conditions: natural and -0.4 pH both in the absence and in the presence of an emerging contaminants' mixture (glyphosate and aminomethylphosphonic acid at environmentally relevant concentrations, 100 μg/L). A significant detrimental effect of both the parental and the filial pH was highlighted, affecting embryo development and growth. Nonetheless, sea urchins from both sites were able to cope with ocean acidification. The 6-months F1 response was better than that of the 2-months F1. Conversely, the F1 response of the sea urchins maintained at natural conditions did not change sensibly after more prolonged parental exposure. An additive but mild negative effect of the mixture was observed, mostly in lagoon offspring. Results suggest that long-term exposure to reduced pH leads to transgenerational acclimation but does not affect susceptibility to the tested pollutants.
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Affiliation(s)
- Davide Asnicar
- Department of Biology, University of Padova, 35121, Padova, Italy
| | - Laura Zanovello
- Department of Biology, University of Padova, 35121, Padova, Italy
| | - Denis Badocco
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131, Padova, Italy
| | - Marco Munari
- Department of Integrative Marine Ecology, Ischia Marine Centre, Stazione Zoologica Anton Dohrn, Punta San Pietro, 80077, Ischia, Naples, Italy
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12
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Barbosa M, Schwaner C, Pales Espinosa E, Allam B. A Transcriptomic Analysis of Phenotypic Plasticity in Crassostrea virginica Larvae under Experimental Acidification. Genes (Basel) 2022; 13:1529. [PMID: 36140697 PMCID: PMC9498863 DOI: 10.3390/genes13091529] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/15/2022] [Accepted: 08/20/2022] [Indexed: 11/25/2022] Open
Abstract
Ocean acidification (OA) is a major threat to marine calcifiers, and little is known regarding acclimation to OA in bivalves. This study combined physiological assays with next-generation sequencing to assess the potential for recovery from and acclimation to OA in the eastern oyster (Crassostrea virginica) and identify molecular mechanisms associated with resilience. In a reciprocal transplant experiment, larvae transplanted from elevated pCO2 (~1400 ppm) to ambient pCO2 (~350 ppm) demonstrated significantly lower mortality and larger size post-transplant than oysters remaining under elevated pCO2 and had similar mortality compared to those remaining in ambient conditions. The recovery after transplantation to ambient conditions demonstrates the ability for larvae to rebound and suggests phenotypic plasticity and acclimation. Transcriptomic analysis supported this hypothesis as genes were differentially regulated under OA stress. Transcriptomic profiles of transplanted and non-transplanted larvae terminating in the same final pCO2 converged, further supporting the idea that acclimation underlies resilience. The functions of differentially expressed genes included cell differentiation, development, biomineralization, ion exchange, and immunity. Results suggest acclimation as a mode of resilience to OA. In addition, the identification of genes associated with resilience can serve as a valuable resource for the aquaculture industry, as these could enable marker-assisted selection of OA-resilient stocks.
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Affiliation(s)
| | | | | | - Bassem Allam
- School of Marine and Atmospheric Sciences, Sony Brook University, Stony Brook, NY 11790, USA
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13
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Munari M, Chiarore A, Signorini SG, Cannavacciuolo A, Nannini M, Magni S, Binelli A, Gambi MC, Della Torre C. Surviving in a changing ocean. Tolerance to acidification might affect the susceptibility of polychaetes to chemical contamination. MARINE POLLUTION BULLETIN 2022; 181:113857. [PMID: 35749979 DOI: 10.1016/j.marpolbul.2022.113857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 04/26/2022] [Accepted: 06/12/2022] [Indexed: 06/15/2023]
Abstract
This study aimed to assess the combined effects of ocean acidification (OA) and pollution to the polychaete Syllis prolifera inhabiting the CO2 vent system of the Castello Aragonese (Ischia Island, Italy). We investigated the basal activities of antioxidant enzymes in organisms from the acidified site and from an ambient-pH control site in two different periods of the year. Results showed a limited influence of acidified conditions on the functionality of the antioxidant system. We then investigated the responsiveness of individuals living inside the CO2 vent compared to those from the control to face exposure to acetone and copper. Results highlighted a higher susceptibility of organisms from the vent to acetone and a different response of antioxidant enzymes in individuals from the two sites. Conversely, a higher tolerance to copper was observed in polychaetes from the acidified-site with respect to controls, but any significant oxidative stress was induced at sublethal concentrations.
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Affiliation(s)
- Marco Munari
- Department of Integrative Marine Ecology, Ischia Marine Centre, Stazione Zoologica Anton Dohrn, Ischia (Naples), Italy
| | - Antonia Chiarore
- Department of Integrative Marine Ecology, Ischia Marine Centre, Stazione Zoologica Anton Dohrn, Ischia (Naples), Italy; Department of Biology, University of Naples Federico II, Naples, Italy.
| | | | - Antonio Cannavacciuolo
- Department of Integrative Marine Ecology, Ischia Marine Centre, Stazione Zoologica Anton Dohrn, Ischia (Naples), Italy
| | - Matteo Nannini
- Department of Integrative Marine Ecology, Ischia Marine Centre, Stazione Zoologica Anton Dohrn, Ischia (Naples), Italy
| | - Stefano Magni
- Department of Biosciences, University of Milan, Milan, Italy
| | - Andrea Binelli
- Department of Biosciences, University of Milan, Milan, Italy
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14
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Byrne M, Gall ML, Campbell H, Lamare MD, Holmes SP. Staying in place and moving in space: Contrasting larval thermal sensitivity explains distributional changes of sympatric sea urchin species to habitat warming. GLOBAL CHANGE BIOLOGY 2022; 28:3040-3053. [PMID: 35108424 DOI: 10.1111/gcb.16116] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 01/24/2022] [Accepted: 01/25/2022] [Indexed: 06/14/2023]
Abstract
For marine ectotherms, larval success, planktonic larval duration and dispersal trajectories are strongly influenced by temperature, and therefore, ocean warming and heatwaves have profound impacts on these sensitive stages. Warming, through increased poleward flow in regions with western boundary currents, such as the East Australia Current (EAC), provides opportunities for range extension as propagules track preferred conditions. Two sea urchin species, Centrostephanus rodgersii and Heliocidaris tuberculata, sympatric in the EAC warming hotspot, exhibit contrasting responses to warming. Over half a century, C. rodgersii has undergone marked poleward range extension, but the range of H. tuberculata has not changed. We constructed thermal performance curves (TPC) to determine if contrasting developmental thermal tolerance can explain this difference. The temperatures tested encompassed present-day distribution and forecast ocean warming/heatwave conditions. The broad and narrow thermal optimum (Topt) ranges for C. rodgersii and H. tuberculata larvae (7.2 and 4.7°C range, respectively) matched their realized (adult distribution) thermal niches. The cool and warm temperatures for 50% development to the feeding larva approximated temperatures at adult poleward range limits. Larval cool tolerances with respect to mean local temperature differed, 6.0 and 3.8°C respectively. Larval warm tolerances were similar for both species as are the adult warm range edges. The larvae of both species would be sensitive to heatwaves. Centrostephanus rodgersii has stayed in place and shifted in space, likely due to its broad cold-warm larval thermal tolerance and large thermal safety margins. Phenotypic plasticity of the planktonic stage of C. rodgersii facilitated its range extension. In contrast, larval cold intolerance of H. tuberculata explains its restricted range and will delay poleward extension as the region warms. In a warming ocean, we show that intrinsic thermal biology traits of the pelagic stage provide an integrative tool to explain species-specific variation in range shift patterns.
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Affiliation(s)
- Maria Byrne
- School of Life and Environmental Science, The University of Sydney, Sydney, New South Wales, Australia
| | - Mailie L Gall
- School of Science and Health, Western Sydney University, Penrith, New South Wales, Australia
| | - Hamish Campbell
- School of Life and Environmental Science, The University of Sydney, Sydney, New South Wales, Australia
| | - Miles D Lamare
- Department of Marine Sciences, University of Otago, Otago, New Zealand
| | - Sebastian P Holmes
- School of Science and Health, Western Sydney University, Penrith, New South Wales, Australia
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15
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Gouvêa LP, Horta PA, Fragkopoulou E, Gurgel CFD, Peres LMC, Bastos E, Ramlov F, Burle G, Koerich G, Martins CDL, Serrão EA, Assis J. Phenotypic Plasticity in Sargassum Forests May Not Counteract Projected Biomass Losses Along a Broad Latitudinal Gradient. Ecosystems 2022. [DOI: 10.1007/s10021-022-00738-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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16
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Ledet J, Campbell H, Byrne M, Poore AGB. Differential tolerance of species alters the seasonal response of marine epifauna to extreme warming. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 797:149215. [PMID: 34346350 DOI: 10.1016/j.scitotenv.2021.149215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 07/18/2021] [Accepted: 07/19/2021] [Indexed: 06/13/2023]
Abstract
Marine heatwaves are occurring with greater frequency and magnitude worldwide and can significantly alter community structure and ecosystem function. Predicting changes in community structure in extreme temperatures requires an understanding of variation among species in their thermal tolerance, and how potential acclimatization to recent temperatures influences survival. To address this, we determined the tolerance to extreme temperatures in a crustacean epifaunal assemblage that inhabits macroalgae in the southeast Australian ocean warming hotspot. Amphipods were the most abundant group and the thermal tolerance of the most abundant species (two in winter and four in summer) was tested to determine their thermal limits and probability of survival in near-future extreme temperatures. Survival, measured as time to immobilization, was compared across species, sexes, life stage and body size. The greatest variation in tolerance to extreme temperatures was among species (not body sizes or life stages), indicating that heatwaves could shift the composition of the macroalgal associated epifaunal assemblage. Comparison of recent thermal history (between 18 °C to 22 °C) revealed greater thermal tolerance of warm acclimatized individuals. Our results indicate that the impacts of a marine heatwave will depend on local species composition and their timing relative to recent climate conditions.
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Affiliation(s)
- Janine Ledet
- Evolution and Ecology Research Centre, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW 2052, Australia.
| | - Hamish Campbell
- School of Medical and Life and School of Environmental Sciences, University of Sydney, Sydney, NSW 2006, Australia
| | - Maria Byrne
- School of Medical and Life and School of Environmental Sciences, University of Sydney, Sydney, NSW 2006, Australia
| | - Alistair G B Poore
- Evolution and Ecology Research Centre, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW 2052, Australia
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17
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Rebolledo AP, Sgrò CM, Monro K. Thermal Performance Curves Are Shaped by Prior Thermal Environment in Early Life. Front Physiol 2021; 12:738338. [PMID: 34744779 PMCID: PMC8564010 DOI: 10.3389/fphys.2021.738338] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 09/21/2021] [Indexed: 01/31/2023] Open
Abstract
Understanding links between thermal performance and environmental variation is necessary to predict organismal responses to climate change, and remains an ongoing challenge for ectotherms with complex life cycles. Distinct life stages can differ in thermal sensitivity, experience different environmental conditions as development unfolds, and, because stages are by nature interdependent, environmental effects can carry over from one stage to affect performance at others. Thermal performance may therefore respond to carryover effects of prior thermal environments, yet detailed insights into the nature, strength, and direction of those responses are still lacking. Here, in an aquatic ectotherm whose early planktonic stages (gametes, embryos, and larvae) govern adult abundances and dynamics, we explore the effects of prior thermal environments at fertilization and embryogenesis on thermal performance curves at the end of planktonic development. We factorially manipulate temperatures at fertilization and embryogenesis, then, for each combination of prior temperatures, measure thermal performance curves for survival of planktonic development (end of the larval stage) throughout the performance range. By combining generalized linear mixed modeling with parametric bootstrapping, we formally estimate and compare curve descriptors (thermal optima, limits, and breadth) among prior environments, and reveal carryover effects of temperature at embryogenesis, but not fertilization, on thermal optima at completion of development. Specifically, thermal optima shifted to track temperature during embryogenesis, while thermal limits and breadth remained unchanged. Our results argue that key aspects of thermal performance are shaped by prior thermal environment in early life, warranting further investigation of the possible mechanisms underpinning that response, and closer consideration of thermal carryover effects when predicting organismal responses to climate change.
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18
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Krug PJ, Shimer E, Rodriguez VA. Differential Tolerance and Seasonal Adaptation to Temperature and Salinity Stress at a Dynamic Range Boundary Between Estuarine Gastropods. THE BIOLOGICAL BULLETIN 2021; 241:105-122. [PMID: 34436970 DOI: 10.1086/715845] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
AbstractInsight into how coastal organisms will respond to changing temperature and salinity regimes may be derived from studies of adaptation to fluctuating estuarine environments, especially under stressful range-edge conditions. We characterized a dynamic range boundary between two estuarine sea slugs, Alderia modesta (distributed across the North Pacific and North Atlantic) and Alderia willowi, known from southern and central California. The species overlap from Bodega Bay to San Francisco Bay, where populations are dominated by A. modesta after winter rains but by A. willowi after peak summer temperatures. Laboratory assays confirmed superior tolerance to low salinity for the northern species, A. modesta: encapsulated embryos developed at 8 ppt, larvae survived at 4-6 ppt, and adults survived repeated exposure to 2 ppt, salinities that reduced development or survival for the same stages of A. willowi. Adults did not appreciably differ in their high-temperature threshold, however. Each species showed increased tolerance to either temperature or salinity stress at its range margin, indicating plasticity or local adaptation, but at the cost of reduced tolerance to the other stressor. At its northern limit, A. willowi became more tolerant of low salinity during the winter rainy season, but also less heat tolerant. Conversely, A. modesta became more heat resistant from spring to summer at its southern limit, but less tolerant of low salinity. Trade-offs in stress tolerance may generally constrain adaptation and limit biotic response to a rapidly changing environment, as well as differentiating species niches.
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19
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Chi X, Shi D, Ma Z, Hu F, Sun J, Huang X, Zhang L, Chang Y, Zhao C. Carryover effects of long-term high water temperatures on fitness-related traits of the offspring of the sea urchin Strongylocentrotus intermedius. MARINE ENVIRONMENTAL RESEARCH 2021; 169:105371. [PMID: 34044285 DOI: 10.1016/j.marenvres.2021.105371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 04/21/2021] [Accepted: 05/16/2021] [Indexed: 06/12/2023]
Abstract
It is important to study the fitness of marine invertebrates in exposure to high water temperature. We studied whether the long-term high temperatures work on the fitness-related traits (righting behavior, covering behavior, foraging behavior, Aristotle's lantern reflex, body size) of S. intermedius whose parents (males and females) were exposed to ambient or high temperatures (~3 °C higher than the ambient) for a long period of time. The present study found that test diameter, wet body weight and test weight of offspring were not significantly different between temperature treatments, indicating that the parental sea urchins in exposure to high temperatures develop no carryover effects on the body size of the offspring sea urchins. We found no significant difference in foraging behavior, Aristotle's lantern reflex, lantern length and lantern weight of sea urchins after their parents had experienced long-term high temperatures. In addition, no significant change was found in the righting and covering behaviors of sea urchins whose parents were at long-term high temperatures. These results indicate that no significant lasting effects exhibited in the fitness-related behaviors and tissue size after their parents were exposed to high temperatures for a long time. The crushing force of test and test thickness showed no significant difference in the offspring of S. intermedius, no matter whether their parents were exposed to long-term high temperatures or not. The current results enrich our understanding that the parental sea urchin experiencing long-term high temperatures probably develop no carryover effects on the test of their offspring. We found that sea urchins whose parents were exposed to long-term elevated temperatures showed a significantly higher lantern length/test diameter and a significantly lower test height/test diameter in offspring sea urchins due to the thermal experience of their parents, showing the plasticity of lantern and test of offspring sea urchins in response to the thermal experience of their parents. Together with our previous investigation, the present study indicates that small sea urchins are less susceptible to the carryover effects of high temperatures in comparison with the developmental stages of embryos and larvae.
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Affiliation(s)
- Xiaomei Chi
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture and Rural Affairs, Dalian Ocean University, Dalian, 116023, China
| | - Dongtao Shi
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture and Rural Affairs, Dalian Ocean University, Dalian, 116023, China
| | - Zhenhua Ma
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture and Rural Affairs, Guangzhou, 510300, China; Chinese Academy of Fishery Sciences, Tropical Aquaculture Research and Development Center of South China Sea Fisheries Research Institute, Sanya, 572018, China
| | - Fangyuan Hu
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture and Rural Affairs, Dalian Ocean University, Dalian, 116023, China
| | - Jiangnan Sun
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture and Rural Affairs, Dalian Ocean University, Dalian, 116023, China
| | - Xiyuan Huang
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture and Rural Affairs, Dalian Ocean University, Dalian, 116023, China
| | - Lisheng Zhang
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture and Rural Affairs, Dalian Ocean University, Dalian, 116023, China
| | - Yaqing Chang
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture and Rural Affairs, Dalian Ocean University, Dalian, 116023, China
| | - Chong Zhao
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture and Rural Affairs, Dalian Ocean University, Dalian, 116023, China.
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20
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Griffiths JS, Johnson KM, Sirovy KA, Yeats MS, Pan FTC, La Peyre JF, Kelly MW. Transgenerational plasticity and the capacity to adapt to low salinity in the eastern oyster, Crassostrea virginica. Proc Biol Sci 2021; 288:20203118. [PMID: 34004136 PMCID: PMC8131124 DOI: 10.1098/rspb.2020.3118] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 04/29/2021] [Indexed: 12/11/2022] Open
Abstract
Salinity conditions in oyster breeding grounds in the Gulf of Mexico are expected to drastically change due to increased precipitation from climate change and anthropogenic changes to local hydrology. We determined the capacity of the eastern oyster, Crassostrea virginica, to adapt via standing genetic variation or acclimate through transgenerational plasticity (TGP). We outplanted oysters to either a low- or medium-salinity site in Louisiana for 2 years. We then crossed adult parents using a North Carolina II breeding design, and measured body size and survival of larvae 5 dpf raised under low or ambient salinity. We found that TGP is unlikely to significantly contribute to low-salinity tolerance since we did not observe increased growth or survival in offspring reared in low salinity when their parents were also acclimated at a low-salinity site. However, we detected genetic variation for body size, with an estimated heritability of 0.68 ± 0.25 (95% CI). This suggests there is ample genetic variation for this trait to evolve, and that evolutionary adaptation is a possible mechanism through which oysters will persist with future declines in salinity. The results of this experiment provide valuable insights into successfully breeding low-salinity tolerance in this commercially important species.
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Affiliation(s)
- Joanna S. Griffiths
- Department of Environmental Toxicology and Department of Wildlife, Fish, and Conservation Biology, University of California, 4121 Meyer Hall, Davis, CA 95616, USA
| | - Kevin M. Johnson
- Biological Sciences Department, California Polytechnic State University, San Luis Obispo, CA, USA
| | - Kyle A. Sirovy
- Department of Biological Sciences, Louisiana State University, Baton Rouge, LA, USA
| | - Mark S. Yeats
- Department of Biological Sciences, Louisiana State University, Baton Rouge, LA, USA
| | - Francis T. C. Pan
- Department of Biological Sciences, University of Southern California, Los Angeles, CA, USA
| | - Jerome F. La Peyre
- Department of Veterinary Science, Louisiana State University, Baton Rouge, LA, USA
| | - Morgan W. Kelly
- Department of Biological Sciences, Louisiana State University, Baton Rouge, LA, USA
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21
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Crean AJ, Immler S. Evolutionary consequences of environmental effects on gamete performance. Philos Trans R Soc Lond B Biol Sci 2021; 376:20200122. [PMID: 33866815 DOI: 10.1098/rstb.2020.0122] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Variation in pre- and post-release gamete environments can influence evolutionary processes by altering fertilization outcomes and offspring traits. It is now widely accepted that offspring inherit epigenetic information from both their mothers and fathers. Genetic and epigenetic alterations to eggs and sperm-acquired post-release may also persist post-fertilization with consequences for offspring developmental success and later-life fitness. In externally fertilizing species, gametes are directly exposed to anthropogenically induced environmental impacts including pollution, ocean acidification and climate change. When fertilization occurs within the female reproductive tract, although gametes are at least partially protected from external environmental variation, the selective environment is likely to vary among females. In both scenarios, gamete traits and selection on gametes can be influenced by environmental conditions such as temperature and pollution as well as intrinsic factors such as male and female reproductive fluids, which may be altered by changes in male and female health and physiology. Here, we highlight some of the pathways through which changes in gamete environments can affect fertilization dynamics, gamete interactions and ultimately offspring fitness. We hope that by drawing attention to this important yet often overlooked source of variation, we will inspire future research into the evolutionary implications of anthropogenic interference of gamete environments including the use of assisted reproductive technologies. This article is part of the theme issue 'How does epigenetics influence the course of evolution?'
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Affiliation(s)
- Angela J Crean
- Charles Perkins Centre, School of Life and Environmental Sciences, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Simone Immler
- School of Biological Sciences, University of East Anglia, Norwich NR4 7TJ, UK
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22
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Clutton EA, Alurralde G, Repolho T. Early developmental stages of native populations of Ciona intestinalis under increased temperature are affected by local habitat history. J Exp Biol 2021; 224:jeb233403. [PMID: 33472872 PMCID: PMC7938807 DOI: 10.1242/jeb.233403] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 01/06/2021] [Indexed: 11/20/2022]
Abstract
Temperature modulates marine ectotherm physiology, influencing survival, abundance and species distribution. While native species could be susceptible to ocean warming, thermal tolerance might favour the spread of non-native species. Determining the success of invasive species in response to climate change is confounded by the cumulative, synergistic or antagonistic effects of environmental drivers, which vary at a geographical and temporal scale. Thus, an organism's acclimation or adaptive potential could play an important evolutionary role by enabling or conditioning species tolerance to stressful environmental conditions. We investigated developmental performance of early life stages of the ascidian Ciona intestinalis (derived from populations of anthropogenically impacted and control sites) to an extreme weather event (i.e. marine heatwave). Fertilization rate, embryo and larval development, settlement, metamorphosis success and juvenile heart rate were assessed as experimental endpoints. With the exception of fertilization and heart rates, temperature influenced all analysed endpoints. C. intestinalis derived from control sites were the most negatively affected by increased temperature conditions. By contrast, C. intestinalis from anthropogenically impacted sites showed a positive response to thermal stress, with a higher proportion of larvae development, settlement and metamorphosis success being observed under increased temperature conditions. No differences were observed for heart rates between sampled populations and experimental temperature conditions. Moreover, interaction between temperature and populations was statistically significant for embryo and larvae development, and metamorphosis. We hypothesize that selection resulting from anthropogenic forcing could shape stress resilience of species in their native range and subsequently confer advantageous traits underlying their invasive potential.
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Affiliation(s)
- Elizabeth A Clutton
- Institute of Marine Sciences, Faculty of Science and Health, University of Portsmouth, Eastney, Portsmouth PO4 9LY, UK
| | - Gaston Alurralde
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales, Departamento Diversidad Biológica y Ecología, Ecología Marina, Av. Velez Sarsfield 299 (X5000JJC), Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Diversidad y Ecologıa Animal (IDEA), Av. Velez Sarsfield 299 (X5000JJC), Córdoba, Argentina
| | - Tiago Repolho
- MARE - Centro de Ciências do Mar e do Ambiente (MARE), Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
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23
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Mismatch of thermal optima between performance measures, life stages and species of spiny lobster. Sci Rep 2020; 10:21235. [PMID: 33277537 PMCID: PMC7718242 DOI: 10.1038/s41598-020-78052-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 11/18/2020] [Indexed: 12/03/2022] Open
Abstract
In an ocean warming hotspot off south-east Australia, many species have expanded their ranges polewards, including the eastern rock lobster, Sagmariasus verreauxi. This species is likely extending its range via larval advection into Tasmanian coastal waters, which are occupied by the more commercially important southern rock lobster, Jasus edwardsii. Here, thermal tolerances of these lobster species at two life stages were investigated to assess how they may respond to warming ocean temperatures. We found that the pattern, optimum and magnitude of thermal responses differed between performance measures, life stages and species. Sagmariasus verreauxi had a warmer optimal temperature for aerobic scope and escape speed than J. edwardsii. However, J. edwardsii had a higher magnitude of escape speed, indicating higher capacity for escape performance. There were also differences between life stages within species, with the larval stage having higher variation in optimal temperatures between measures than juveniles. This inconsistency in performance optima and magnitude indicates that single performance measures at single life stages are unlikely to accurately predict whole animal performance in terms of life-time survival and fitness. However, combined results of this study suggest that with continued ocean warming, S. verreauxi is likely to continue to extend its distribution polewards and increase in abundance in Tasmania.
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Delorme NJ, Frost EJ, Sewell MA. Effect of acclimation on thermal limits and hsp70 gene expression of the New Zealand sea urchin Evechinus chloroticus. Comp Biochem Physiol A Mol Integr Physiol 2020; 250:110806. [DOI: 10.1016/j.cbpa.2020.110806] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 09/07/2020] [Accepted: 09/08/2020] [Indexed: 12/17/2022]
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Nielsen ES, Henriques R, Beger M, Toonen RJ, von der Heyden S. Multi-model seascape genomics identifies distinct environmental drivers of selection among sympatric marine species. BMC Evol Biol 2020; 20:121. [PMID: 32938400 PMCID: PMC7493327 DOI: 10.1186/s12862-020-01679-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 08/24/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND As global change and anthropogenic pressures continue to increase, conservation and management increasingly needs to consider species' potential to adapt to novel environmental conditions. Therefore, it is imperative to characterise the main selective forces acting on ecosystems, and how these may influence the evolutionary potential of populations and species. Using a multi-model seascape genomics approach, we compare putative environmental drivers of selection in three sympatric southern African marine invertebrates with contrasting ecology and life histories: Cape urchin (Parechinus angulosus), Common shore crab (Cyclograpsus punctatus), and Granular limpet (Scutellastra granularis). RESULTS Using pooled (Pool-seq), restriction-site associated DNA sequencing (RAD-seq), and seven outlier detection methods, we characterise genomic variation between populations along a strong biogeographical gradient. Of the three species, only S. granularis showed significant isolation-by-distance, and isolation-by-environment driven by sea surface temperatures (SST). In contrast, sea surface salinity (SSS) and range in air temperature correlated more strongly with genomic variation in C. punctatus and P. angulosus. Differences were also found in genomic structuring between the three species, with outlier loci contributing to two clusters in the East and West Coasts for S. granularis and P. angulosus, but not for C. punctatus. CONCLUSION The findings illustrate distinct evolutionary potential across species, suggesting that species-specific habitat requirements and responses to environmental stresses may be better predictors of evolutionary patterns than the strong environmental gradients within the region. We also found large discrepancies between outlier detection methodologies, and thus offer a novel multi-model approach to identifying the principal environmental selection forces acting on species. Overall, this work highlights how adding a comparative approach to seascape genomics (both with multiple models and species) can elucidate the intricate evolutionary responses of ecosystems to global change.
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Affiliation(s)
- Erica S Nielsen
- Evolutionary Genomics Group, Department of Botany and Zoology, University of Stellenbosch, Private Bag X1, Matieland, 7602, South Africa
| | - Romina Henriques
- Evolutionary Genomics Group, Department of Botany and Zoology, University of Stellenbosch, Private Bag X1, Matieland, 7602, South Africa.,Technical University of Denmark, National Institute of Aquatic Resources, Section for Marine Living Resources, Velsøvej 39, 8600, Silkeborg, Denmark
| | - Maria Beger
- School of Biology, Faculty of Biological Sciences, University of Leeds, Leeds, LS2 9JT, UK
| | - Robert J Toonen
- Hawai'i Institute of Marine Biology, University of Hawai'i at Mānoa, Kāne'ohe, HI, 96744, USA
| | - Sophie von der Heyden
- Evolutionary Genomics Group, Department of Botany and Zoology, University of Stellenbosch, Private Bag X1, Matieland, 7602, South Africa.
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Campbell H, Ledet J, Poore AGB, Byrne M. Thermal tolerance in the amphipod Sunamphitoe parmerong from a global warming hotspot, acclimatory carryover effects within generation. MARINE ENVIRONMENTAL RESEARCH 2020; 160:105048. [PMID: 32907741 DOI: 10.1016/j.marenvres.2020.105048] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 06/05/2020] [Accepted: 06/09/2020] [Indexed: 06/11/2023]
Abstract
The thermal response of the amphipod Sunamphitoe parmerong was contrasted between unacclimated 'wild' and acclimated populations. Brooding females were allocated to 17 °C or 23 °C treatments and their progeny developed to adulthood at the same temperature. Tolerance to acute thermal challenge (26-36 °C) was determined. The 17 °C and 23 °C acclimated S. parmerong had a 0.45 and 0.64 risk of death compared to the unacclimated individuals. The upper lethal temperature (LT50) was 27.4 °C for the unacclimated group and 29.6 °C and 30.4 °C for the 17 °C and 23 °C acclimated groups, respectively. Acclimation shifted their LT50 by 2.2 °C and 3 °C, respectively. The wild population exhibited high variability in thermal tolerance, potentially due to their environmental history and greater diversity of genotypes. After acclimation S. parmerong had decreased variability in thermal tolerance and that of the 23 °C group shifted by 1 °C compared with the 17 °C group. These results indicate developmental phenotypic plasticity or differential survival of resilient progeny as potential mechanisms to facilitate persistence in a warming ocean.
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Affiliation(s)
- Hamish Campbell
- School of Life and Environmental Science, The University of Sydney, NSW, 2006, Australia.
| | - Janine Ledet
- School of Biological, Earth and Environmental Sciences, University of New South Wales, NSW, 2052, Australia
| | - Alistair G B Poore
- School of Biological, Earth and Environmental Sciences, University of New South Wales, NSW, 2052, Australia
| | - Maria Byrne
- School of Life and Environmental Science, The University of Sydney, NSW, 2006, Australia
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Putnam HM, Ritson-Williams R, Cruz JA, Davidson JM, Gates RD. Environmentally-induced parental or developmental conditioning influences coral offspring ecological performance. Sci Rep 2020; 10:13664. [PMID: 32788607 PMCID: PMC7423898 DOI: 10.1038/s41598-020-70605-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 06/23/2020] [Indexed: 01/22/2023] Open
Abstract
The persistence of reef building corals is threatened by human-induced environmental change. Maintaining coral reefs into the future requires not only the survival of adults, but also the influx of recruits to promote genetic diversity and retain cover following adult mortality. Few studies examine the linkages among multiple life stages of corals, despite a growing knowledge of carryover effects in other systems. We provide a novel test of coral parental conditioning to ocean acidification (OA) and tracking of offspring for 6 months post-release to better understand parental or developmental priming impacts on the processes of offspring recruitment and growth. Coral planulation was tracked for 3 months following adult exposure to high pCO2 and offspring from the second month were reciprocally exposed to ambient and high pCO2 for an additional 6 months. Offspring of parents exposed to high pCO2 had greater settlement and survivorship immediately following release, retained survivorship benefits during 1 and 6 months of continued exposure, and further displayed growth benefits to at least 1 month post release. Enhanced performance of offspring from parents exposed to high conditions was maintained despite the survivorship in both treatments declining in continued exposure to OA. Conditioning of the adults while they brood their larvae, or developmental acclimation of the larvae inside the adult polyps, may provide a form of hormetic conditioning, or environmental priming that elicits stimulatory effects. Defining mechanisms of positive acclimatization, with potential implications for carry over effects, cross-generational plasticity, and multi-generational plasticity, is critical to better understanding ecological and evolutionary dynamics of corals under regimes of increasing environmental disturbance. Considering environmentally-induced parental or developmental legacies in ecological and evolutionary projections may better account for coral reef response to the chronic stress regimes characteristic of climate change.
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Affiliation(s)
- Hollie M Putnam
- Department of Biological Sciences, University of Rhode Island, Kingston, RI, USA.
| | | | - Jolly Ann Cruz
- Micronesia Islands Nature Alliance, Garapan, Saipan, CNMI, 96950, USA
| | - Jennifer M Davidson
- Hawai'i Institute of Marine Biology, University of Hawai'i, Mānoa, Honolulu, HI, USA
| | - Ruth D Gates
- Hawai'i Institute of Marine Biology, University of Hawai'i, Mānoa, Honolulu, HI, USA
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Foo SA, Koweek DA, Munari M, Gambi MC, Byrne M, Caldeira K. Responses of sea urchin larvae to field and laboratory acidification. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 723:138003. [PMID: 32217382 DOI: 10.1016/j.scitotenv.2020.138003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 03/09/2020] [Accepted: 03/15/2020] [Indexed: 06/10/2023]
Abstract
Understanding the extent to which laboratory findings of low pH on marine organisms can be extrapolated to the natural environment is key toward making better projections about the impacts of global change on marine ecosystems. We simultaneously exposed larvae of the sea urchin Arbacia lixula to ocean acidification in laboratory and natural CO2 vents and assessed the arm growth response as a proxy of net calcification. Populations of embryos were simultaneously placed at both control and volcanic CO2 vent sites in Ischia (Italy), with a parallel group maintained in the laboratory in control and low pH treatments corresponding to the mean pH levels of the field sites. As expected, larvae grown at constant low pH (pHT 7.8) in the laboratory exhibited reduced arm growth, but counter to expectations, the larvae that developed at the low pH vent site (pHT 7.33-7.99) had the longest arms. The larvae at the control field site (pHT 7.87-7.99) grew at a similar rate to laboratory controls. Salinity, temperature, oxygen and flow regimes were comparable between control and vent sites; however, chlorophyll a levels and particulate organic carbon were higher at the vent site than at the control field site. This increased food availability may have modulated the effects of low pH, creating an opposite calcification response in the laboratory from that in the field. Divergent responses of the same larval populations developing in laboratory and field environments show the importance of considering larval phenotypic plasticity and the complex interactions among decreased pH, food availability and larval responses.
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Affiliation(s)
- Shawna A Foo
- Department of Global Ecology, Carnegie Institution for Science, 260 Panama Street, Stanford, CA 94305, USA; Center for Global Discovery and Conservation Science, Arizona State University, Tempe, AZ 85287, USA.
| | - David A Koweek
- Department of Global Ecology, Carnegie Institution for Science, 260 Panama Street, Stanford, CA 94305, USA
| | - Marco Munari
- Department of Integrative Marine Ecology, Ischia Marine Centre, Stazione Zoologica Anton Dohrn, Punta San Pietro, 80077, Ischia(Naples), Italy
| | - Maria Cristina Gambi
- Department of Integrative Marine Ecology, Ischia Marine Centre, Stazione Zoologica Anton Dohrn, Punta San Pietro, 80077, Ischia(Naples), Italy
| | - Maria Byrne
- School of Medical Sciences and School of Life and Environmental Sciences, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Ken Caldeira
- Department of Global Ecology, Carnegie Institution for Science, 260 Panama Street, Stanford, CA 94305, USA
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Chi X, Sun J, Yu Y, Luo J, Zhao B, Han F, Chang Y, Zhao C. Fitness benefits and costs of shelters to the sea urchin Glyptocidaris crenularis. PeerJ 2020; 8:e8886. [PMID: 32341892 PMCID: PMC7179571 DOI: 10.7717/peerj.8886] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 03/11/2020] [Indexed: 11/24/2022] Open
Abstract
Understanding the ecological role of shelters is greatly hampered by the scarcity of long-term laboratory experiments on the trade-off between fitness benefits and costs. This lack probably leads to an underestimation of the negative and/or positive effects on behaviors and growth of marine invertebrates in benthic ecosystems. Although our previous study revealed a significant effect on fitness-related traits of Glyptocidaris crenularis after 31 months, the present study extended it and investigated fitness benefits and/or costs of long-term sheltering on sea urchins to over 7 years. The present long-term study suggests that the previously reported reduction in feeding rate probably resulted from a reduction in reflexive feeding motions (Aristotle’s lantern reflex) rather than changes in foraging behavior. Actively seeking sheltering behavior was negatively impacted in individuals with continuous access to shelters. However, covering and righting behaviors did not differ in sheltered sea urchins, indicating that these behaviors are maintained to escape from adverse environments regardless of shelter. Body size of sea urchins in the group with shelters was significantly lower than those without shelters after 7 years. Weights of gonads and gut were not significantly different after 7 years despite previous observations of differences after ~2.5 years. The present study provides valuable information on the trade-off between fitness benefits and costs to sea urchins residing in shelters. However, the present study is only a laboratory investigation for one urchin species (G. crenularis) which does not consider the complexity of natural environments. Field studies should be carried out with G. crenularis and other sea urchin species, before a more universal conclusion can be drawn.
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Affiliation(s)
- Xiaomei Chi
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture and Rural Affairs, Dalian Ocean University, Dalian, China
| | - Jiangnan Sun
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture and Rural Affairs, Dalian Ocean University, Dalian, China
| | - Yushi Yu
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture and Rural Affairs, Dalian Ocean University, Dalian, China
| | - Jia Luo
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture and Rural Affairs, Dalian Ocean University, Dalian, China
| | - Bao Zhao
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture and Rural Affairs, Dalian Ocean University, Dalian, China
| | - Feng Han
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture and Rural Affairs, Dalian Ocean University, Dalian, China
| | - Yaqing Chang
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture and Rural Affairs, Dalian Ocean University, Dalian, China
| | - Chong Zhao
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture and Rural Affairs, Dalian Ocean University, Dalian, China
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Horwitz R, Norin T, Watson SA, Pistevos JCA, Beldade R, Hacquart S, Gattuso JP, Rodolfo-Metalpa R, Vidal-Dupiol J, Killen SS, Mills SC. Near-future ocean warming and acidification alter foraging behaviour, locomotion, and metabolic rate in a keystone marine mollusc. Sci Rep 2020; 10:5461. [PMID: 32214174 PMCID: PMC7096400 DOI: 10.1038/s41598-020-62304-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 02/26/2020] [Indexed: 11/23/2022] Open
Abstract
Environmentally-induced changes in fitness are mediated by direct effects on physiology and behaviour, which are tightly linked. We investigated how predicted ocean warming (OW) and acidification (OA) affect key ecological behaviours (locomotion speed and foraging success) and metabolic rate of a keystone marine mollusc, the sea hare Stylocheilus striatus, a specialist grazer of the toxic cyanobacterium Lyngbya majuscula. We acclimated sea hares to OW and/or OA across three developmental stages (metamorphic, juvenile, and adult) or as adults only, and compare these to sea hares maintained under current-day conditions. Generally, locomotion speed and time to locate food were reduced ~1.5- to 2-fold when the stressors (OW or OA) were experienced in isolation, but reduced ~3-fold when combined. Decision-making was also severely altered, with correct foraging choice nearly 40% lower under combined stressors. Metabolic rate appeared to acclimate to the stressors in isolation, but was significantly elevated under combined stressors. Overall, sea hares that developed under OW and/or OA exhibited a less severe impact, indicating beneficial phenotypic plasticity. Reduced foraging success coupled with increased metabolic demands may impact fitness in this species and highlight potentially large ecological consequences under unabated OW and OA, namely in regulating toxic cyanobacteria blooms on coral reefs.
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Affiliation(s)
- Rael Horwitz
- PSL Université Paris: EPHE-UPVD-CNRS, USR 3278 CRIOBE, BP 1013, 98729, Papetoai, Moorea, French Polynesia.
- Laboratoire d'Excellence "CORAIL", Nouméa, Nouvelle-Calédonie, France.
| | - Tommy Norin
- University of Glasgow, Institute of Biodiversity, Animal Health and Comparative Medicine, Graham Kerr Building, Glasgow, G12 8QQ, United Kingdom
- Technical University of Denmark, DTU Aqua: National Institute of Aquatic Resources, 2800 Kgs, Lyngby, Denmark
| | - Sue-Ann Watson
- Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland, 4811, Australia
| | - Jennifer C A Pistevos
- PSL Université Paris: EPHE-UPVD-CNRS, USR 3278 CRIOBE, BP 1013, 98729, Papetoai, Moorea, French Polynesia
- Laboratoire d'Excellence "CORAIL", Nouméa, Nouvelle-Calédonie, France
| | - Ricardo Beldade
- PSL Université Paris: EPHE-UPVD-CNRS, USR 3278 CRIOBE, BP 1013, 98729, Papetoai, Moorea, French Polynesia
- Pontificia Universidad Católica de Chile, Departamento de Ecología, Facultad de Ciencias Biológicas, Santiago, Chile
| | - Simon Hacquart
- PSL Université Paris: EPHE-UPVD-CNRS, USR 3278 CRIOBE, BP 1013, 98729, Papetoai, Moorea, French Polynesia
| | - Jean-Pierre Gattuso
- Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche, 181 chemin du Lazaret, F-06230, Villefranche-sur-mer, France
- Institute for Sustainable Development and International Relations, Sciences Po, 27 rue Saint Guillaume, F-75007, Paris, France
| | - Riccardo Rodolfo-Metalpa
- Laboratoire d'Excellence "CORAIL", Nouméa, Nouvelle-Calédonie, France
- ENTROPIE IRD - Université de La Réunion - CNRS, Nouméa, 98848, Nouvelle-Calédonie, France
| | - Jeremie Vidal-Dupiol
- Laboratoire d'Excellence "CORAIL", Nouméa, Nouvelle-Calédonie, France
- IFREMER, UMR 241 EIO, BP 7004, 98719, Taravao, Tahiti, French Polynesia
- IHPE, Université Montpellier, CNRS, IFREMER, Université Perpignan Via Domitia, F-34095, Montpellier, France
| | - Shaun S Killen
- University of Glasgow, Institute of Biodiversity, Animal Health and Comparative Medicine, Graham Kerr Building, Glasgow, G12 8QQ, United Kingdom
| | - Suzanne C Mills
- PSL Université Paris: EPHE-UPVD-CNRS, USR 3278 CRIOBE, BP 1013, 98729, Papetoai, Moorea, French Polynesia
- Laboratoire d'Excellence "CORAIL", Nouméa, Nouvelle-Calédonie, France
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31
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Byrne M, Foo SA, Ross PM, Putnam HM. Limitations of cross- and multigenerational plasticity for marine invertebrates faced with global climate change. GLOBAL CHANGE BIOLOGY 2020; 26:80-102. [PMID: 31670444 DOI: 10.1111/gcb.14882] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 09/12/2019] [Indexed: 05/18/2023]
Abstract
Although cross generation (CGP) and multigenerational (MGP) plasticity have been identified as mechanisms of acclimation to global change, the weight of evidence indicates that parental conditioning over generations is not a panacea to rescue stress sensitivity in offspring. For many species, there were no benefits of parental conditioning. Even when improved performance was observed, this waned over time within a generation or across generations and fitness declined. CGP and MGP studies identified resilient species with stress tolerant genotypes in wild populations and selected family lines. Several bivalves possess favourable stress tolerance and phenotypically plastic traits potentially associated with genetic adaptation to life in habitats where they routinely experience temperature and/or acidification stress. These traits will be important to help 'climate proof' shellfish ventures. Species that are naturally stress tolerant and those that naturally experience a broad range of environmental conditions are good candidates to provide insights into the physiological and molecular mechanisms involved in CGP and MGP. It is challenging to conduct ecologically relevant global change experiments over the long times commensurate with the pace of changing climate. As a result, many studies present stressors in a shock-type exposure at rates much faster than projected scenarios. With more gradual stressor introduction over longer experimental durations and in context with conditions species are currently acclimatized and/or adapted to, the outcomes for sensitive species might differ. We highlight the importance to understand primordial germ cell development and the timing of gametogenesis with respect to stressor exposure. Although multigenerational exposure to global change stressors currently appears limited as a universal tool to rescue species in the face of changing climate, natural proxies of future conditions (upwelling zones, CO2 vents, naturally warm habitats) show that phenotypic adjustment and/or beneficial genetic selection is possible for some species, indicating complex plasticity-adaptation interactions.
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Affiliation(s)
- Maria Byrne
- School of Medical Sciences, The University of Sydney, Sydney, NSW, Australia
- School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, Australia
| | - Shawna A Foo
- Center for Global Discovery and Conservation Science, Arizona State University, Tempe, AZ, USA
| | - Pauline M Ross
- School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, Australia
| | - Hollie M Putnam
- Department of Biological Sciences, University of Rhode Island, Kingston, RI, USA
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Manríquez PH, González CP, Brokordt K, Pereira L, Torres R, Lattuca ME, Fernández DA, Peck MA, Cucco A, Antognarelli F, Marras S, Domenici P. Ocean warming and acidification pose synergistic limits to the thermal niche of an economically important echinoderm. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 693:133469. [PMID: 31635008 DOI: 10.1016/j.scitotenv.2019.07.275] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 06/30/2019] [Accepted: 07/17/2019] [Indexed: 06/10/2023]
Abstract
To make robust projectios of the impacts of climate change, it is critical to understand how abiotic factors may interact to constrain the distribution and productivity of marine flora and fauna. We evaluated the effects of projected end of the century ocean acidification (OA) and warming (OW) on the thermal tolerance of an important living marine resource, the sea urchin Loxechinus albus, a benthic shallow water coastal herbivore inhabiting part of the Pacific coast of South America. After exposing young juveniles for a 1-month period to contrasting pCO2 (~500 and 1400 μatm) and temperature (~15 °C and 20 °C) levels, critical thermal maximum (CTmax) and minimum (CTmin) as well as thermal tolerance polygons were assessed based on self-righting success as an end point. Transcription of heat shock protein 70 (HSP70), a chaperone protecting cellular proteins from environmental stress, was also measured. Exposure to elevated pCO2 significantly reduced thermal tolerance by increasing CTmin at both experimental temperatures and decreasing CTmax at 20 °C. There was also a strong synergistic effect of OA × OW on HSP70 transcription levels which were 75 times higher than in control conditions. If this species is unable to adapt to elevated pCO2 in the future, the reduction in thermal tolerance and HSP response suggests that near-future warming and OA will disrupt their performance and reduce their distribution with ecological and economic consequences. Given the wider latitudinal range (6 to 56°S) and environmental tolerance of L. albus compared to other members of this region's benthic invertebrate community, OW and OA may cause substantial changes to the coastal fauna along this geographical range.
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Affiliation(s)
- Patricio H Manríquez
- Centro de Estudios Avanzados en Zonas Áridas (CEAZA), Coquimbo, Chile; Laboratorio de Ecología y Conducta de la Ontogenia Temprana (LECOT), Coquimbo, Chile.
| | - Claudio P González
- Centro de Estudios Avanzados en Zonas Áridas (CEAZA), Coquimbo, Chile; Laboratorio de Ecología y Conducta de la Ontogenia Temprana (LECOT), Coquimbo, Chile
| | - Katherina Brokordt
- Laboratorio de Fisiología y Genética Marina (FIGEMA), Universidad Católica del Norte, Coquimbo, Chile; Centro de Estudios Avanzados en Zonas Áridas (CEAZA), Coquimbo, Chile
| | - Luis Pereira
- Departamento de Acuicultura, Facultad de Ciencias de Mar, Universidad Católica del Norte, Coquimbo, Chile
| | - Rodrigo Torres
- Centro de Investigación en Ecosistemas de la Patagonia (CIEP), Coyhaique, Chile; Centro de Investigación: Dinámica de Ecosistemas Marinos de Altas Latitudes (IDEAL), Punta Arenas, Chile
| | - María E Lattuca
- Laboratorio de Ecología, Fisiología y Evolución de Organismos Acuáticos (LEFyE), Centro Austral de Investigaciones Científicas (CADIC-CONICET), Ushuaia, Argentina
| | - Daniel A Fernández
- Laboratorio de Ecología, Fisiología y Evolución de Organismos Acuáticos (LEFyE), Centro Austral de Investigaciones Científicas (CADIC-CONICET), Ushuaia, Argentina; Universidad Nacional de Tierra del Fuego, Instituto de Ciencias Polares, Ambiente y Recursos Naturales, Fuegia Basket 251, 9410 Ushuaia, Tierra del Fuego, Argentina
| | - Myron A Peck
- Institute of Marine Ecosystem and Fisheries Science, Center for Earth System Research and Sustainability, University of Hamburg, GroßeElbstrasse 133, D-22767 Hamburg, Germany
| | - Andrea Cucco
- CNR-IAMC-Istituto per l'Ambiente Marino Costiero, Localita Sa Mardini, Torregrande, Oristano 09170, Italy
| | - Fabio Antognarelli
- CNR-IAMC-Istituto per l'Ambiente Marino Costiero, Localita Sa Mardini, Torregrande, Oristano 09170, Italy
| | - Stefano Marras
- CNR-IAMC-Istituto per l'Ambiente Marino Costiero, Localita Sa Mardini, Torregrande, Oristano 09170, Italy
| | - Paolo Domenici
- CNR-IAMC-Istituto per l'Ambiente Marino Costiero, Localita Sa Mardini, Torregrande, Oristano 09170, Italy
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Conradi M, Sánchez-Moyano JE, Bhuiyan MKA, Rodríguez-Romero A, Galotti A, Basallote MD, DelValls A, Parra G, Riba I. Intraspecific variation in the response of the estuarine European isopod Cyathura carinata (Krøyer, 1847) to ocean acidification. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 683:134-145. [PMID: 31129324 DOI: 10.1016/j.scitotenv.2019.05.227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 05/15/2019] [Accepted: 05/15/2019] [Indexed: 06/09/2023]
Abstract
In the present study the model isopod, Cyathura carinata were exposed to four pHNIST treatments (control: 7.9; 7.5, 7, 6.5) in order to determine the tolerance and pH threshold value this estuarine species withstand under future acidification scenarios. Seawater acidification significantly affected the lifespan of C. carinata, where population density was remarkably reduced at the lowest pH treatment. The longevity, survivorship and swimming activity (related to the acquisition of energy) of these isopods decreased with decreasing pH. Furthermore, to determine the possible metabolic plasticity of this species, the swimming activity, the Na+/K + -ATPase activity (relevant for osmoregulation process), and the RNA:DNA ratio (an indicator of fitness) were measure from two populations of C. carinata, one inhabiting a stable environment (pHNIST 7.5-8.0) and one inhabiting a fluctuating pCO2 regimes (pH 3.3-8.5) subjected to three pH treatments (7.9, 7.0 and 6.5). The population from high fluctuating pCO2 conditions showed capacity to withstand to pH 6.5, as well as higher longevity and metabolic plasticity, when compared with the population from the habitat with slight pCO2 variation. These results indicate that Cyathura population from stable environments could be vulnerable to ocean acidification because it could trigger detrimental effects on its survival energy budget, and growth. However, ocean acidification has limited effect on the energy budget and survival of C. carinata population from highly variable habitats, suggesting that they are able to cope with the elevated energy demand. The difference showed between populations is likely an indication of genetic differentiation in tolerance to ocean acidification, possibly attributable to local adaptations, which could provide the raw material necessary for adaptation to future conditions. In addition, our results suggest that when assessing marine crustacean responses to changing environments on a global scale, variability in population and metabolic responses need to be considered.
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Affiliation(s)
- M Conradi
- Departamento de Zoología, Facultad de Biología, Universidad de Sevilla, Av Reina Mercedes s/n, 41012 Sevilla. Spain.
| | - J E Sánchez-Moyano
- Departamento de Zoología, Facultad de Biología, Universidad de Sevilla, Av Reina Mercedes s/n, 41012 Sevilla. Spain
| | - M K A Bhuiyan
- UNESCO UNITWIN/UNICOP, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, PG Rio San Pedro s/n, Puerto Real, 11510 Cádiz, Spain
| | - A Rodríguez-Romero
- Green Engineering Resources Group (GER), Departamento de Química e Ingeniería de Procesos y Recursos (ETSIIT), Universidad de Cantabria, Cantabria, Spain
| | - A Galotti
- Departamento de Biología Animal, Vegetal y Ecología, Centro de Estudios Avanzados en Ciencias de la Tierra, Universidad de Jaén, Jaén, Spain
| | - M D Basallote
- Department of Earth Sciences & Research Center on Natural Resources, Health and the Environment, Faculty of Experimental Sciences, Avda. Fuerzas Armadas s/n, 21071 Huelva, Spain
| | - A DelValls
- UNESCO UNITWIN/UNICOP, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, PG Rio San Pedro s/n, Puerto Real, 11510 Cádiz, Spain
| | - G Parra
- Departamento de Biología Animal, Vegetal y Ecología, Centro de Estudios Avanzados en Ciencias de la Tierra, Universidad de Jaén, Jaén, Spain
| | - I Riba
- UNESCO UNITWIN/UNICOP, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, PG Rio San Pedro s/n, Puerto Real, 11510 Cádiz, Spain
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Bible JM, Evans TG, Sanford E. Differences in induced thermotolerance among populations of Olympia oysters. Comp Biochem Physiol A Mol Integr Physiol 2019; 239:110563. [PMID: 31493552 DOI: 10.1016/j.cbpa.2019.110563] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 08/25/2019] [Accepted: 08/29/2019] [Indexed: 01/24/2023]
Abstract
An organism's ability to cope with thermal stress is an important predictor of survival in a changing climate. One way in which organisms may acclimatize to thermal stress in the short-term is through induced thermotolerance, whereby exposure to a sublethal heat shock enables the organism to subsequently survive what might otherwise be a lethal event. Whether induced thermotolerance is related to basal thermotolerance is not well understood for marine organisms. Furthermore, whether populations often differ in their capacity for induced thermotolerance is also unclear. Here, we tested for differences in basal thermotolerance and induced thermotolerance among six populations of Olympia oysters (Ostrea lurida) from three California estuaries. Oysters were raised under common-garden laboratory conditions for a generation and then exposed to two treatments (control or sublethal heat shock) followed by a spectrum of temperatures that bound the upper critical temperature in order to determine LT50 (temperature at which 50% of the population dies). All populations exhibited induced thermotolerance by increasing their LT50 to a similar maximum temperature when extreme thermal stress was preceded by a sublethal heat shock. However, populations differed in their basal thermotolerance and their plasticity in thermotolerance. Populations with the highest basal thermotolerance were least able to modify upper critical temperature, while the population with the lowest basal thermotolerance exhibited the greatest plasticity in the upper critical temperature. Our results highlight that populations with high basal thermotolerance may be most vulnerable to climate warming because they lack the plasticity required to adjust their upper thermal limits.
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Affiliation(s)
- Jillian M Bible
- Bodega Marine Laboratory, 2099 Westshore Road, Bodega Bay, CA 94923, USA; Department of Evolution and Ecology, University of California, One Shields Avenue, Davis, CA 95616, USA.
| | - Tyler G Evans
- Department of Biological Sciences, California State University East Bay, 25800 Carlos Bee Boulevard, Hayward, CA 94542, USA
| | - Eric Sanford
- Bodega Marine Laboratory, 2099 Westshore Road, Bodega Bay, CA 94923, USA; Department of Evolution and Ecology, University of California, One Shields Avenue, Davis, CA 95616, USA
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35
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Zhang Y, Million WC, Ruggeri M, Kenkel CD. Family matters: Variation in the physiology of brooded Porites astreoides larvae is driven by parent colony effects. Comp Biochem Physiol A Mol Integr Physiol 2019; 238:110562. [PMID: 31493555 DOI: 10.1016/j.cbpa.2019.110562] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 08/01/2019] [Accepted: 08/29/2019] [Indexed: 11/16/2022]
Abstract
The planktonic larval phase of scleractinian coral life-history represents a crucial stage when dispersal takes place and genetic diversity among populations is maintained. Understanding the dynamics influencing larval survival is especially relevant in the context of climate change, as larvae may be more vulnerable to environmental disturbances than adults. Several physiological parameters of coral larvae have been shown to vary by release time and past environmental history. However, the contribution of parental or genetic effects is largely unknown. To investigate these potential familial effects, we collected adult Porites astreoides colonies in April 2018 from two reef zones in the lower Florida Keys and quantified physiological traits and thermal tolerance of the newly released larvae. Family accounted for more variation than day of release and reef origin, with >60% of the variation in chlorophyll a and protein content explained by family. The survivorship of larvae under 36 °C acute temperature stress was also tightly linked to what parent colony they were released from. During a 32 °C moderate temperature stress experiment, inshore larvae tended to bleach less than offshore larvae, mirroring the enhanced bleaching resistance previously observed in inshore adult coral populations. The significant familial effects identified in the present study suggest that researchers should be cautious when interpreting results of studies which pool larvae among families, and that future studies should take care to account for this variation.
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Affiliation(s)
- Yingqi Zhang
- Department of Biological Sciences, University of Southern California, 3616 Trousdale Parkway, Los Angeles, CA 90089, United States of America
| | - Wyatt C Million
- Department of Biological Sciences, University of Southern California, 3616 Trousdale Parkway, Los Angeles, CA 90089, United States of America
| | - Maria Ruggeri
- Department of Biological Sciences, University of Southern California, 3616 Trousdale Parkway, Los Angeles, CA 90089, United States of America
| | - Carly D Kenkel
- Department of Biological Sciences, University of Southern California, 3616 Trousdale Parkway, Los Angeles, CA 90089, United States of America.
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36
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Todd PA, Heery EC, Loke LHL, Thurstan RH, Kotze DJ, Swan C. Towards an urban marine ecology: characterizing the drivers, patterns and processes of marine ecosystems in coastal cities. OIKOS 2019. [DOI: 10.1111/oik.05946] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Peter A. Todd
- Experimental Marine Ecology Laboratory, Dept of Biological Sciences, National Univ. of Singapore 16 Science Drive 4 Singapore 117558
| | - Eliza C. Heery
- Experimental Marine Ecology Laboratory, Dept of Biological Sciences, National Univ. of Singapore 16 Science Drive 4 Singapore 117558
| | - Lynette H. L. Loke
- Experimental Marine Ecology Laboratory, Dept of Biological Sciences, National Univ. of Singapore 16 Science Drive 4 Singapore 117558
| | - Ruth H. Thurstan
- Centre for Ecology and Conservation, College of Life and Environmental Sciences, Univ. of Exeter Penryn UK
| | - D. Johan Kotze
- Faculty of Biological and Environmental Sciences, Ecosystems and Environment Research Programme, Univ. of Helsinki Lahti Finland
| | - Christopher Swan
- Dept of Geography & Environmental Systems, Univ. of Maryland Baltimore County Baltimore MD USA
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Dworjanyn SA, Byrne M. Impacts of ocean acidification on sea urchin growth across the juvenile to mature adult life-stage transition is mitigated by warming. Proc Biol Sci 2019; 285:rspb.2017.2684. [PMID: 29643209 DOI: 10.1098/rspb.2017.2684] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 03/19/2018] [Indexed: 11/12/2022] Open
Abstract
Understanding how growth trajectories of calcifying invertebrates are affected by changing climate requires acclimation experiments that follow development across life-history transitions. In a long-term acclimation study, the effects of increased acidification and temperature on survival and growth of the tropical sea urchin Tripneustes gratilla from the early juvenile (5 mm test diameter-TD) through the developmental transition to the mature adult (60 mm TD) were investigated. Juveniles were reared in a combination of three temperature and three pH/pCO2 treatments, including treatments commensurate with global change projections. Elevated temperature and pCO2/pH both affected growth, but there was no interaction between these factors. The urchins grew more slowly at pH 7.6, but not at pH 7.8. Slow growth may be influenced by the inability to compensate coelomic fluid acid-base balance at pH 7.6. Growth was faster at +3 and +6°C compared to that in ambient temperature. Acidification and warming had strong and interactive effects on reproductive potential. Warming increased the gonad index, but acidification decreased it. At pH 7.6 there were virtually no gonads in any urchins regardless of temperature. The T. gratilla were larger at maturity under combined near-future warming and acidification scenarios (+3°C/pH 7.8). Although the juveniles grew and survived in near-future warming and acidification conditions, chronic exposure to these stressors from an early stage altered allocation to somatic and gonad growth. In the absence of phenotypic adjustment, the interactive effects of warming and acidification on the benthic life phases of sea urchins may compromise reproductive fitness and population maintenance as global climatic change unfolds.
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Affiliation(s)
- Symon A Dworjanyn
- National Marine Science Centre, Southern Cross University, PO Box 4321, Coffs Harbour, New South Wales 2450, Australia
| | - Maria Byrne
- School of Medical Sciences and School of Life and Environmental Sciences, University of Sydney, Sydney, New South Wales 2006, Australia
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38
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Gallo A, Tosti E. Effects of ecosystem stress on reproduction and development. Mol Reprod Dev 2019; 86:1269-1272. [DOI: 10.1002/mrd.23169] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 04/26/2019] [Indexed: 01/21/2023]
Affiliation(s)
- Alessandra Gallo
- Department of Biology and Evolution of Marine OrganismsStazione Zoologica Anton Dohrn, Villa Comunale Naples Italy
| | - Elisabetta Tosti
- Department of Biology and Evolution of Marine OrganismsStazione Zoologica Anton Dohrn, Villa Comunale Naples Italy
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39
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Mabin CJT, Johnson CR, Wright JT. Family-level variation in early life-cycle traits of kelp. JOURNAL OF PHYCOLOGY 2019; 55:380-392. [PMID: 30506918 DOI: 10.1111/jpy.12820] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Accepted: 11/16/2018] [Indexed: 06/09/2023]
Abstract
Temperate kelp forests (Laminarians) are threatened by temperature stress due to ocean warming and photoinhibition due to increased light associated with canopy loss. However, the potential for evolutionary adaptation in kelp to rapid climate change is not well known. This study examined family-level variation in physiological and photosynthetic traits in the early life-cycle stages of the ecologically important Australasian kelp Ecklonia radiata and the response of E. radiata families to different temperature and light environments using a family × environment design. There was strong family-level variation in traits relating to morphology (surface area measures, branch length, branch count) and photosynthetic performance (Fv /Fm ) in both haploid (gametophyte) and diploid (sporophyte) stages of the life-cycle. Additionally, the presence of family × environment interactions showed that offspring from different families respond differently to temperature and light in the branch length of male gametophytes and oogonia surface area of female gametophytes. Negative responses to high temperatures were stronger for females vs. males. Our findings suggest E. radiata may be able to respond adaptively to climate change but studies partitioning the narrow vs. broad sense components of heritable variation are needed to establish the evolutionary potential of E. radiata to adapt under climate change.
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Affiliation(s)
- Christopher J T Mabin
- Institute for Marine and Antarctic Studies, University of Tasmania, Launceston, Tasmania, 7250, Australia
| | - Craig R Johnson
- Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Tasmania, 7001, Australia
| | - Jeffrey T Wright
- Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Tasmania, 7001, Australia
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40
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Brahim A, Mustapha N, Marshall DJ. Non-reversible and Reversible Heat Tolerance Plasticity in Tropical Intertidal Animals: Responding to Habitat Temperature Heterogeneity. Front Physiol 2019; 9:1909. [PMID: 30692933 PMCID: PMC6339911 DOI: 10.3389/fphys.2018.01909] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 12/18/2018] [Indexed: 01/09/2023] Open
Abstract
The theory for thermal plasticity of tropical ectotherms has centered on terrestrial and open-water marine animals which experience reduced variation in diurnal and seasonal temperatures, conditions constraining plasticity selection. Tropical marine intertidal animals, however, experience complex habitat thermal heterogeneity, circumstances encouraging thermal plasticity selection. Using the tropical rocky-intertidal gastropod, Echinolittorina malaccana, we investigated heat tolerance plasticity in terms of laboratory acclimation and natural acclimatization of populations from thermally-dissimilar nearby shorelines. Laboratory treatments yielded similar capacities of snails from either population to acclimate their lethal thermal limit (LT50 variation was ∼2°C). However, the populations differed in the temperature range over which acclimatory adjustments could be made; LT50 plasticity occurred over a higher temperature range in the warm-shore snails compared to the cool-shore snails, giving an overall acclimation capacity for the populations combined of 2.9°C. In addition to confirming significant heat tolerance plasticity in tropical intertidal animals, these findings reveal two plasticity forms, reversible (laboratory acclimation) and non-reversible (population or shoreline specific) plasticity. The plasticity forms should account for different spatiotemporal scales of the environmental temperature variation; reversible plasticity for daily and tidal variations in microhabitat temperature and non-reversible plasticity for lifelong, shoreline temperature conditions. Non-reversible heat tolerance plasticity, likely established after larvae settle on the shore, should be energetically beneficial in preventing heat shock protein overexpression, but also should facilitate widespread colonization of coasts that support thermally-diverse shorelines. This first demonstration of different plasticity forms in benthic intertidal animals supports the hypothesis that habitat heterogeneity (irrespective of latitude) drives thermal plasticity selection. It further suggests that studies not making reference to different spatial scales of thermal heterogeneity, nor seeking how these may drive different thermal plasticity forms, risk misinterpreting ectothermic responses to environmental warming.
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Affiliation(s)
| | | | - David J. Marshall
- Environmental and Life Sciences, Faculty of Science, Universiti Brunei Darussalam, Bandar Seri Begawan, Brunei
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41
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Adult Antarctic krill proves resilient in a simulated high CO 2 ocean. Commun Biol 2018; 1:190. [PMID: 30456311 PMCID: PMC6233221 DOI: 10.1038/s42003-018-0195-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 10/10/2018] [Indexed: 11/08/2022] Open
Abstract
Antarctic krill (Euphausia superba) have a keystone role in the Southern Ocean, as the primary prey of Antarctic predators. Decreases in krill abundance could result in a major ecological regime shift, but there is limited information on how climate change may affect krill. Increasing anthropogenic carbon dioxide (CO2) emissions are causing ocean acidification, as absorption of atmospheric CO2 in seawater alters ocean chemistry. Ocean acidification increases mortality and negatively affects physiological functioning in some marine invertebrates, and is predicted to occur most rapidly at high latitudes. Here we show that, in the laboratory, adult krill are able to survive, grow, store fat, mature, and maintain respiration rates when exposed to near-future ocean acidification (1000-2000 μatm pCO2) for one year. Despite differences in seawater pCO2 incubation conditions, adult krill are able to actively maintain the acid-base balance of their body fluids in near-future pCO2, which enhances their resilience to ocean acidification.
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42
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Richards DJ, Renaud L, Agarwal N, Starr Hazard E, Hyde J, Hardiman G. De Novo Hepatic Transcriptome Assembly and Systems Level Analysis of Three Species of Dietary Fish, Sardinops sagax, Scomber japonicus, and Pleuronichthys verticalis. Genes (Basel) 2018; 9:genes9110521. [PMID: 30366465 PMCID: PMC6266404 DOI: 10.3390/genes9110521] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 10/17/2018] [Indexed: 12/31/2022] Open
Abstract
The monitoring of marine species as sentinels for ecosystem health has long been a valuable tool worldwide, providing insight into how both anthropogenic pollution and naturally occurring phenomena (i.e., harmful algal blooms) may lead to human and animal dietary concerns. The marine environments contain many contaminants of anthropogenic origin that have sufficient similarities to steroid and thyroid hormones, to potentially disrupt normal endocrine physiology in humans, fish, and other animals. An appropriate understanding of the effects of these endocrine disrupting chemicals (EDCs) on forage fish (e.g., sardine, anchovy, mackerel) can lead to significant insight into how these contaminants may affect local ecosystems in addition to their potential impacts on human health. With advancements in molecular tools (e.g., high-throughput sequencing, HTS), a genomics approach offers a robust toolkit to discover putative genetic biomarkers in fish exposed to these chemicals. However, the lack of available sequence information for non-model species has limited the development of these genomic toolkits. Using HTS and de novo assembly technology, the present study aimed to establish, for the first time for Sardinops sagax (Pacific sardine), Scomber japonicas (Pacific chub mackerel) and Pleuronichthys verticalis (hornyhead turbot), a de novo global transcriptome database of the liver, the primary organ involved in detoxification. The assembled transcriptomes provide a foundation for further downstream validation, comparative genomic analysis and biomarker development for future applications in ecotoxicogenomic studies, as well as environmental evaluation (e.g., climate change) and public health safety (e.g., dietary screening).
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Affiliation(s)
- Dylan J Richards
- Bioengineering Department, Clemson University, Charleston, SC 29425, USA.
| | - Ludivine Renaud
- Department of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA.
- Center for Genomic Medicine, Bioinformatics, Medical University of South Carolina, Charleston, SC 29425, USA.
| | - Nisha Agarwal
- Biomedical Informatics Research Center, San Diego State University, San Diego, CA 92182, USA.
| | - E Starr Hazard
- Center for Genomic Medicine, Bioinformatics, Medical University of South Carolina, Charleston, SC 29425, USA.
- Academic Affairs Faculty & Computational Biology Resource Center, Medical University of South Carolina, Charleston, SC 29425, USA.
| | - John Hyde
- NOAA Fisheries, Southwest Fisheries Science Center, La Jolla, CA 92037, USA.
| | - Gary Hardiman
- Department of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA.
- Center for Genomic Medicine, Bioinformatics, Medical University of South Carolina, Charleston, SC 29425, USA.
- Biomedical Informatics Research Center, San Diego State University, San Diego, CA 92182, USA.
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA.
- Laboratory for Marine Systems Biology, Hollings Marine Laboratory, Charleston, SC 29412, USA.
- School of Biological Sciences & Institute for Global Food Security, Queens University Belfast, Stranmillis Road, Belfast BT9 5AG, UK.
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43
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Beal A, Rodriguez-Casariego J, Rivera-Casas C, Suarez-Ulloa V, Eirin-Lopez JM. Environmental Epigenomics and Its Applications in Marine Organisms. ACTA ACUST UNITED AC 2018. [DOI: 10.1007/13836_2018_28] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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44
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Zhao C, Zhang L, Shi D, Ding J, Yin D, Sun J, Zhang B, Zhang L, Chang Y. Transgenerational effects of ocean warming on the sea urchin Strongylocentrotus intermedius. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 151:212-219. [PMID: 29353170 DOI: 10.1016/j.ecoenv.2018.01.014] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 01/03/2018] [Accepted: 01/08/2018] [Indexed: 06/07/2023]
Abstract
Transgenerational effects, which involve both selection and plasticity, are important for the evolutionary adaptation of echinoderms in the changing ocean. Here, we investigated the effects of breeding design and water temperature for offspring on fertilization, hatchability, larval survival, size, abnormality and metamorphosis of the sea urchin Strongylocentrotus intermedius, whose dams and sires were exposed to long-term (~15 months) elevated temperature (~3°C above ambient) or ambient temperature. There was no transgenerational effect on fertilization and metamorphosis of S. intermedius, while negative transgenerational effects were found in hatchability and most traits of larval size. Dam and sire effects were highly trait and developmental stage dependent. Interestingly, we found S. intermedius probably cannot achieve transgenerational acclimation to long-term elevated temperature for survival provided their offspring were exposed to an elevated temperature. The present study enriches our understanding of transgenerational effects of ocean warming on sea urchins.
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Affiliation(s)
- Chong Zhao
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture, Dalian Ocean University, Dalian 116023, China
| | - Lisheng Zhang
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture, Dalian Ocean University, Dalian 116023, China
| | - Dongtao Shi
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture, Dalian Ocean University, Dalian 116023, China
| | - Jingyun Ding
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture, Dalian Ocean University, Dalian 116023, China
| | - Donghong Yin
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture, Dalian Ocean University, Dalian 116023, China
| | - Jiangnan Sun
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture, Dalian Ocean University, Dalian 116023, China
| | - Baojing Zhang
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture, Dalian Ocean University, Dalian 116023, China
| | - Lingling Zhang
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture, Dalian Ocean University, Dalian 116023, China
| | - Yaqing Chang
- Key Laboratory of Mariculture & Stock Enhancement in North China's Sea, Ministry of Agriculture, Dalian Ocean University, Dalian 116023, China.
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45
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Mallien C, Porro B, Zamoum T, Olivier C, Wiedenmann J, Furla P, Forcioli D. Conspicuous morphological differentiation without speciation in Anemonia viridis (Cnidaria, Actiniaria). SYST BIODIVERS 2017. [DOI: 10.1080/14772000.2017.1383948] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Cédric Mallien
- Sorbonne Universités, UPMC Univ Paris 06, Univ Antilles, Univ Nice Sophia Antipolis, CNRS, Evolution Paris Seine – Institut de Biologie Paris Seine (EPS - IBPS), 75005 Paris, France
| | - Barbara Porro
- Sorbonne Universités, UPMC Univ Paris 06, Univ Antilles, Univ Nice Sophia Antipolis, CNRS, Evolution Paris Seine – Institut de Biologie Paris Seine (EPS - IBPS), 75005 Paris, France
| | - Thamilla Zamoum
- Sorbonne Universités, UPMC Univ Paris 06, Univ Antilles, Univ Nice Sophia Antipolis, CNRS, Evolution Paris Seine – Institut de Biologie Paris Seine (EPS - IBPS), 75005 Paris, France
| | - Caroline Olivier
- Sorbonne Universités, UPMC Univ Paris 06, Univ Antilles, Univ Nice Sophia Antipolis, CNRS, Evolution Paris Seine – Institut de Biologie Paris Seine (EPS - IBPS), 75005 Paris, France
| | - Jörg Wiedenmann
- Coral Reef Laboratory, Ocean and Earth Science, University of Southampton, Southampton SO14 3ZH, United Kingdom
- Institute for Life Sciences, University of Southampton, Southampton SO17 1BJ, United Kingdom
| | - Paola Furla
- Sorbonne Universités, UPMC Univ Paris 06, Univ Antilles, Univ Nice Sophia Antipolis, CNRS, Evolution Paris Seine – Institut de Biologie Paris Seine (EPS - IBPS), 75005 Paris, France
| | - Didier Forcioli
- Sorbonne Universités, UPMC Univ Paris 06, Univ Antilles, Univ Nice Sophia Antipolis, CNRS, Evolution Paris Seine – Institut de Biologie Paris Seine (EPS - IBPS), 75005 Paris, France
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Bechmann RK, Lyng E, Berry M, Kringstad A, Westerlund S. Exposing Northern shrimp (Pandalus borealis) to fish feed containing the antiparasitic drug diflubenzuron caused high mortality during molting. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2017; 80:941-953. [PMID: 28876214 DOI: 10.1080/15287394.2017.1352213] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Use of the chitin synthesis inhibitor diflubenzuron (DFB) as an antiparasitic drug in salmon aquaculture raises concern over its impact on marine ecosystems. Further, global drivers, such as ocean warming and acidification (OAW), may increase the toxicity of hazardous substances including DFB. The aim of the present study was to examine the combined effects of DFB-medicated salmon feed on ovigerous Northern shrimp (Pandalus borealis) under Control (pHNBS 8.0, 7.0ºC) and OAW conditions (pHNBS 7.6, 9.5ºC). DFB-exposed shrimp consumed on average 0.1-0.3 g medicated feed during the 2-week exposure period, and high mortality (61-73%) was documented at both environmental conditions. There was no significant interaction between OAW and DFB. Only 2-7% of DFB-exposed shrimp molted successfully compared to 65% in Control and 63% in OAW. The shrimp molted earlier (shorter intermolt period) and exhibited higher feeding rate at OAW compared to Control conditions. An additional experiment, where female shrimp were exposed to DFB closer to molting, noted increased mortality after only 4 d exposure, and successful molting for some shrimp after 2 to 3 weeks of depuration. High mortality of shrimp exposed to DFB-medicated feed indicates that the use of this feed in aquaculture could affect local shrimp populations.
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Affiliation(s)
| | - Emily Lyng
- a International Research Institute of Stavanger (IRIS) , Randaberg , Norway
| | - Mark Berry
- a International Research Institute of Stavanger (IRIS) , Randaberg , Norway
| | | | - Stig Westerlund
- a International Research Institute of Stavanger (IRIS) , Randaberg , Norway
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47
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Foo SA, Byrne M. Marine gametes in a changing ocean: Impacts of climate change stressors on fecundity and the egg. MARINE ENVIRONMENTAL RESEARCH 2017; 128:12-24. [PMID: 28237403 DOI: 10.1016/j.marenvres.2017.02.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2015] [Revised: 02/10/2017] [Accepted: 02/13/2017] [Indexed: 06/06/2023]
Abstract
In marine invertebrates, the environmental history of the mother can influence fecundity and egg size. Acclimation of females in climate change stressors, increased temperature and low pH, results in a decrease in egg number and size in many taxa, with the exception of cephalopods, where eggs increase in size. With respect to spawned eggs, near future levels of ocean acidification can interfere with the egg's block to polyspermy and intracellular pH. Reduction of the extracellular egg jelly coat seen in low pH conditions has implications for impaired egg function and fertilization. Some fast generation species (e.g. copepods, polychaetes) have shown restoration of female reproductive output after several generations in treatments. It will be important to determine if the changes to egg number and size induced by exposure to climate change stressors are heritable.
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Affiliation(s)
- Shawna A Foo
- School of Medical Sciences, The University of Sydney, Sydney, New South Wales, Australia.
| | - Maria Byrne
- Schools of Medical and Biological Sciences, The University of Sydney, Sydney, New South Wales, Australia
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Thomsen J, Stapp LS, Haynert K, Schade H, Danelli M, Lannig G, Wegner KM, Melzner F. Naturally acidified habitat selects for ocean acidification-tolerant mussels. SCIENCE ADVANCES 2017; 3:e1602411. [PMID: 28508039 PMCID: PMC5406135 DOI: 10.1126/sciadv.1602411] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 02/28/2017] [Indexed: 05/19/2023]
Abstract
Ocean acidification severely affects bivalves, especially their larval stages. Consequently, the fate of this ecologically and economically important group depends on the capacity and rate of evolutionary adaptation to altered ocean carbonate chemistry. We document successful settlement of wild mussel larvae (Mytilus edulis) in a periodically CO2-enriched habitat. The larval fitness of the population originating from the CO2-enriched habitat was compared to the response of a population from a nonenriched habitat in a common garden experiment. The high CO2-adapted population showed higher fitness under elevated Pco2 (partial pressure of CO2) than the non-adapted cohort, demonstrating, for the first time, an evolutionary response of a natural mussel population to ocean acidification. To assess the rate of adaptation, we performed a selection experiment over three generations. CO2 tolerance differed substantially between the families within the F1 generation, and survival was drastically decreased in the highest, yet realistic, Pco2 treatment. Selection of CO2-tolerant F1 animals resulted in higher calcification performance of F2 larvae during early shell formation but did not improve overall survival. Our results thus reveal significant short-term selective responses of traits directly affected by ocean acidification and long-term adaptation potential in a key bivalve species. Because immediate response to selection did not directly translate into increased fitness, multigenerational studies need to take into consideration the multivariate nature of selection acting in natural habitats. Combinations of short-term selection with long-term adaptation in populations from CO2-enriched versus nonenriched natural habitats represent promising approaches for estimating adaptive potential of organisms facing global change.
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Affiliation(s)
- Jörn Thomsen
- Helmholtz Centre for Ocean Research Kiel (GEOMAR), 24105 Kiel, Germany
- Corresponding author.
| | - Laura S. Stapp
- Integrative Ecophysiology, Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, 27570 Bremerhaven, Germany
- University of Bremen, 28359 Bremen, Germany
| | - Kristin Haynert
- Helmholtz Centre for Ocean Research Kiel (GEOMAR), 24105 Kiel, Germany
- Marine Research Department, Senckenberg am Meer, 26382 Wilhelmshaven, Germany
| | - Hanna Schade
- Helmholtz Centre for Ocean Research Kiel (GEOMAR), 24105 Kiel, Germany
| | - Maria Danelli
- Helmholtz Centre for Ocean Research Kiel (GEOMAR), 24105 Kiel, Germany
| | - Gisela Lannig
- Integrative Ecophysiology, Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, 27570 Bremerhaven, Germany
| | - K. Mathias Wegner
- Coastal Ecology, Wadden Sea Station Sylt, Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, 25992 List/Sylt, Germany
| | - Frank Melzner
- Helmholtz Centre for Ocean Research Kiel (GEOMAR), 24105 Kiel, Germany
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49
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The Effects of Salinity and pH on Fertilization, Early Development, and Hatching in the Crown-of-Thorns Seastar. DIVERSITY-BASEL 2017. [DOI: 10.3390/d9010013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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50
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Rondon R, Grunau C, Fallet M, Charlemagne N, Sussarellu R, Chaparro C, Montagnani C, Mitta G, Bachère E, Akcha F, Cosseau C. Effects of a parental exposure to diuron on Pacific oyster spat methylome. ENVIRONMENTAL EPIGENETICS 2017; 3:dvx004. [PMID: 29492306 PMCID: PMC5804544 DOI: 10.1093/eep/dvx004] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 02/14/2017] [Accepted: 03/07/2017] [Indexed: 05/18/2023]
Abstract
Environmental epigenetic is an emerging field that studies the cause-effect relationship between environmental factors and heritable trait via an alteration in epigenetic marks. This field has received much attentions since the impact of environmental factors on different epigenetic marks have been shown to be associated with a broad range of phenotypic disorders in natural ecosystems. Chemical pollutants have been shown to affect immediate epigenetic information carriers of several aquatic species but the heritability of the chromatin marks and the consequences for long term adaptation remain open questions. In this work, we investigated the impact of the diuron herbicide on the DNA methylation pattern of spat from exposed Crassotrea gigas genitors. This oyster is one of the most important mollusk species produced worldwide and a key coastal economic resource in France. The whole genome bisulfite sequencing (WGBS, BS-Seq) was applied to obtain a methylome at single nucleotide resolution on DNA extracted from spat issued from diuron exposed genitors comparatively to control spat. We showed that the parental diuron exposure has an impact on the DNA methylation pattern of its progeny. Most of the differentially methylated regions occurred within coding sequences and we showed that this change in methylation level correlates with RNA level only in a very small group of genes. Although the DNA methylation profile is variable between individuals, we showed conserved DNA methylation patterns in response to parental diuron exposure. This relevant result opens perspectives for the setting of new markers based on epimutations as early indicators of marine pollutions.
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Affiliation(s)
- Rodolfo Rondon
- Ifremer, IHPE UMR 5244, Univ. Perpignan Via Domitia, CNRS, Univ. Montpellier, F-34095 Montpellier, France
- Univ. Perpignan Via Domitia, IHPE UMR 5244, CNRS, IFREMER, Univ. Montpellier, F-66860 Perpignan, France
| | - Christoph Grunau
- Univ. Perpignan Via Domitia, IHPE UMR 5244, CNRS, IFREMER, Univ. Montpellier, F-66860 Perpignan, France
| | - Manon Fallet
- Univ. Perpignan Via Domitia, IHPE UMR 5244, CNRS, IFREMER, Univ. Montpellier, F-66860 Perpignan, France
| | - Nicolas Charlemagne
- Ifremer, Department of Biogeochemistry and Ecotoxicology, Laboratory of Ecotoxicology, Rue de l’ile d’Yeu, BP 21105, 44311 Nantes Cedex 03, France
| | - Rossana Sussarellu
- Ifremer, Department of Biogeochemistry and Ecotoxicology, Laboratory of Ecotoxicology, Rue de l’ile d’Yeu, BP 21105, 44311 Nantes Cedex 03, France
| | - Cristian Chaparro
- Univ. Perpignan Via Domitia, IHPE UMR 5244, CNRS, IFREMER, Univ. Montpellier, F-66860 Perpignan, France
| | - Caroline Montagnani
- Ifremer, IHPE UMR 5244, Univ. Perpignan Via Domitia, CNRS, Univ. Montpellier, F-34095 Montpellier, France
| | - Guillaume Mitta
- Univ. Perpignan Via Domitia, IHPE UMR 5244, CNRS, IFREMER, Univ. Montpellier, F-66860 Perpignan, France
| | - Evelyne Bachère
- Ifremer, IHPE UMR 5244, Univ. Perpignan Via Domitia, CNRS, Univ. Montpellier, F-34095 Montpellier, France
| | - Farida Akcha
- Ifremer, Department of Biogeochemistry and Ecotoxicology, Laboratory of Ecotoxicology, Rue de l’ile d’Yeu, BP 21105, 44311 Nantes Cedex 03, France
| | - Céline Cosseau
- Univ. Perpignan Via Domitia, IHPE UMR 5244, CNRS, IFREMER, Univ. Montpellier, F-66860 Perpignan, France
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