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Verberk WC, Atkinson D, Hoefnagel KN, Hirst AG, Horne CR, Siepel H. Shrinking body sizes in response to warming: explanations for the temperature-size rule with special emphasis on the role of oxygen. Biol Rev Camb Philos Soc 2021; 96:247-268. [PMID: 32959989 PMCID: PMC7821163 DOI: 10.1111/brv.12653] [Citation(s) in RCA: 102] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 08/28/2020] [Accepted: 08/28/2020] [Indexed: 01/04/2023]
Abstract
Body size is central to ecology at levels ranging from organismal fecundity to the functioning of communities and ecosystems. Understanding temperature-induced variations in body size is therefore of fundamental and applied interest, yet thermal responses of body size remain poorly understood. Temperature-size (T-S) responses tend to be negative (e.g. smaller body size at maturity when reared under warmer conditions), which has been termed the temperature-size rule (TSR). Explanations emphasize either physiological mechanisms (e.g. limitation of oxygen or other resources and temperature-dependent resource allocation) or the adaptive value of either a large body size (e.g. to increase fecundity) or a short development time (e.g. in response to increased mortality in warm conditions). Oxygen limitation could act as a proximate factor, but we suggest it more likely constitutes a selective pressure to reduce body size in the warm: risks of oxygen limitation will be reduced as a consequence of evolution eliminating genotypes more prone to oxygen limitation. Thus, T-S responses can be explained by the 'Ghost of Oxygen-limitation Past', whereby the resulting (evolved) T-S responses safeguard sufficient oxygen provisioning under warmer conditions, reflecting the balance between oxygen supply and demands experienced by ancestors. T-S responses vary considerably across species, but some of this variation is predictable. Body-size reductions with warming are stronger in aquatic taxa than in terrestrial taxa. We discuss whether larger aquatic taxa may especially face greater risks of oxygen limitation as they grow, which may be manifested at the cellular level, the level of the gills and the whole-organism level. In contrast to aquatic species, terrestrial ectotherms may be less prone to oxygen limitation and prioritize early maturity over large size, likely because overwintering is more challenging, with concomitant stronger end-of season time constraints. Mechanisms related to time constraints and oxygen limitation are not mutually exclusive explanations for the TSR. Rather, these and other mechanisms may operate in tandem. But their relative importance may vary depending on the ecology and physiology of the species in question, explaining not only the general tendency of negative T-S responses but also variation in T-S responses among animals differing in mode of respiration (e.g. water breathers versus air breathers), genome size, voltinism and thermally associated behaviour (e.g. heliotherms).
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Affiliation(s)
- Wilco C.E.P. Verberk
- Department of Animal Ecology and Physiology, Institute for Water and Wetland ResearchRadboud UniversityHeyendaalseweg 1356525 AJNijmegenThe Netherlands
| | - David Atkinson
- Department of Evolution, Ecology and BehaviourUniversity of LiverpoolLiverpoolL69 7ZBU.K.
| | - K. Natan Hoefnagel
- Department of Animal Ecology and Physiology, Institute for Water and Wetland ResearchRadboud UniversityHeyendaalseweg 1356525 AJNijmegenThe Netherlands
- Faculty of Science and Engineering, Ocean Ecosystems — Energy and Sustainability Research Institute GroningenUniversity of GroningenNijenborgh 79747 AGGroningenThe Netherlands
| | - Andrew G. Hirst
- School of Environmental SciencesUniversity of LiverpoolLiverpoolL69 3GPU.K.
- Centre for Ocean Life, DTU AquaTechnical University of DenmarkLyngbyDenmark
| | - Curtis R. Horne
- School of Environmental SciencesUniversity of LiverpoolLiverpoolL69 3GPU.K.
| | - Henk Siepel
- Department of Animal Ecology and Physiology, Institute for Water and Wetland ResearchRadboud UniversityHeyendaalseweg 1356525 AJNijmegenThe Netherlands
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Tang Y, Chen ZQ, Lin YF, Chen JY, Ding GH, Ji X. The combined effects of temperature and aromatase inhibitor on metamorphosis, growth, locomotion, and sex ratio of tiger frog ( Hoplobatrachus rugulosus) tadpoles. PeerJ 2020; 8:e8834. [PMID: 32219039 PMCID: PMC7087491 DOI: 10.7717/peerj.8834] [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: 07/10/2019] [Accepted: 03/02/2020] [Indexed: 12/19/2022] Open
Abstract
Background The tiger frog (Hoplobatrachus rugulosus) is widely raised by many farms in southern region of China as an economically edible frog. The growth, development, and sexual differentiation of amphibians are influenced by temperature and steroid hormone level. However, the problem of hormone residues is caused by the addition of exogenous hormones in frog breeding, it is worth considering whether non-sterol aromatase inhibitors can be used instead of hormones. Methods In our study, H. rugulosus tadpoles were subjected to two water temperatures (29 °C and 34 °C) and three letrozole concentrations in the feed (0, 0.1 and 1 mg/g) to examine the effects of temperature, aromatase inhibitor and their interaction on metamorphosis, locomotion, and sex ratios. A G-test and contingency table were used to analyze the metamorphosis rate of tadpoles and the survival rate of froglets after feeding for 90 days. A G-test was also used to analyze sex ratios in different treatment groups. Results Metamorphosis time and body size (snout-vent length, body mass and condition factor) were significantly different between the two temperature treatments. Metamorphosis time was longer and body size was increased at 29 °C compared to those at 34 °C. Letrozole concentration and the temperature × letrozole interaction did not affect these variables. The jumping distance of froglets following metamorphosis was positively associated with the condition factor; when controlling for condition factor, jumping distance was not affected by temperature, letrozole concentration and their interaction. Temperature and letrozole concentration also did not affect metamorphosis and survival rate. Sex ratio of the control group (0 mg/g letrozole) was 1:1 at 29 °C, but there were more males at 34 °C. The sex ratios of H. rugulosus treated with letrozole at 29 °C and 34 °C were significantly biased toward males, and male ratio increased as letrozole concentration increased. Furthermore, more males were produced at 34 °C than at 29 °C at each letrozole concentration.
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Affiliation(s)
- Yun Tang
- Laboratory of Amphibian Diversity Investigation, College of Ecology, Lishui University, Lishui, Zhejiang, P.R. China.,College of Life Sciences, Nanjing Normal University, Nanjing, Jiangsu, P.R. China
| | - Zhi-Qiang Chen
- Laboratory of Amphibian Diversity Investigation, College of Ecology, Lishui University, Lishui, Zhejiang, P.R. China.,College of Animal Science and Technology, Zhejiang A & F University, Lin'an, Zhejiang, P.R. China
| | - You-Fu Lin
- Laboratory of Amphibian Diversity Investigation, College of Ecology, Lishui University, Lishui, Zhejiang, P.R. China.,College of Forestry, Nanjing Forestry University, Nanjing, Jiangsu, P.R. China
| | - Jing-Yi Chen
- Laboratory of Amphibian Diversity Investigation, College of Ecology, Lishui University, Lishui, Zhejiang, P.R. China
| | - Guo-Hua Ding
- Laboratory of Amphibian Diversity Investigation, College of Ecology, Lishui University, Lishui, Zhejiang, P.R. China
| | - Xiang Ji
- College of Life Sciences, Nanjing Normal University, Nanjing, Jiangsu, P.R. China
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Loisel A, Isla A, Daufresne M. Variation of thermal plasticity in growth and reproduction patterns: Importance of ancestral and developmental temperatures. J Therm Biol 2019; 84:460-468. [DOI: 10.1016/j.jtherbio.2019.07.029] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 07/09/2019] [Accepted: 07/26/2019] [Indexed: 11/25/2022]
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Kim SY, Noguera JC, Velando A. Carry-over effects of early thermal conditions on somatic and germline oxidative damages are mediated by compensatory growth in sticklebacks. J Anim Ecol 2018; 88:473-483. [PMID: 30548846 DOI: 10.1111/1365-2656.12927] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 10/23/2018] [Indexed: 01/22/2023]
Abstract
Most studies of climate change impacts focus on the effects of summer temperatures, which can immediately impact fitness of breeders, but winter temperatures are expected to have a greater impact on development and growth of animals with long-lasting consequences. Exposure to warmer temperatures can increase cellular oxidative damage in ectotherms. Yet, it is unknown whether thermal stress during early life has prolonged effects on oxidative status during adulthood. In an experiment using F1 fish originated from a wild three-spined stickleback population at the southern edge of its European distribution, we examined whether experimental thermal conditions experienced in winter had carry-over effects on oxidative status and telomere length, a marker of accumulated stress, in the soma and germline during adulthood. For this, oxidative DNA damage, enzymatic antioxidant activities and telomere length were measured three months after the termination of the temperature manipulation. In addition, we tested whether such delayed effects, if any, were due to individuals' compensatory growth after experiencing unfavourable growth conditions in winter. Warm acclimation during winter induced increased levels of oxidative DNA damage in muscle and sperm and increased enzymatic antioxidant defences in muscle during the breeding season. Telomere length of adult fish was not influenced by thermal conditions experienced during early life. Winter temperature manipulation influenced fish to alter the temporal pattern of growth trajectories across the juvenile and adult stages. Fish reared in warm winter conditions grew at a slower rate than the controls during the period of temperature manipulation then accelerated body mass gain to catch up during the breeding season. Faster somatic growth during the breeding season incurred a higher cost in terms of oxidative damage in the warm-treated individuals. For the first time, we experimentally show the long-lasting detrimental effects of thermal stress on and the positive link between catch-up growth and oxidative DNA damage in the soma and germline. Winter temperature increases due to climate change can reduce fertility and survival of fish by inducing catch-up growth. The detrimental effects of winter climate change may accumulate across generations through the pre-mutagenic DNA damage in the germline.
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Affiliation(s)
- Sin-Yeon Kim
- Departamento de Ecoloxía e Bioloxía Animal, Universidade de Vigo, Vigo, Spain
| | - José C Noguera
- Departamento de Ecoloxía e Bioloxía Animal, Universidade de Vigo, Vigo, Spain
| | - Alberto Velando
- Departamento de Ecoloxía e Bioloxía Animal, Universidade de Vigo, Vigo, Spain
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McLennan D, Armstrong JD, Stewart DC, Mckelvey S, Boner W, Monaghan P, Metcalfe NB. Telomere elongation during early development is independent of environmental temperatures in Atlantic salmon. ACTA ACUST UNITED AC 2018; 221:jeb.178616. [PMID: 29636409 PMCID: PMC6031317 DOI: 10.1242/jeb.178616] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 03/29/2018] [Indexed: 12/31/2022]
Abstract
There is increasing evidence from endothermic vertebrates that telomeres, which cap the ends of chromosomes and play an important role in chromosome protection, decline in length during postnatal life and are a useful indicator of physiological state and expected lifespan. However, much less is currently known about telomere dynamics in ectothermic vertebrates, which are likely to differ from that of endotherms, at least in part due to the sensitivity of ectotherm physiology to environmental temperature. We report here on an experiment in which Atlantic salmon (Salmo salar) were reared through the embryonic and larval stages of development, and under differing temperatures, in order to examine the effects of environmental temperature during early life on telomere dynamics, oxidative DNA damage and cellular proliferation. Telomere length significantly increased between the embryonic and larval stages of development. Contrary to our expectations, variation in telomere length at the end of the larval stage was unrelated to either cell proliferation rate or the relative level of oxidative DNA damage, and did not vary between the temperature treatments. This study suggests that salmon are able to restore the length of their telomeres during early development, which may possibly help to buffer potentially harmful environmental effects experienced in early life. Summary: The authors show that, in salmon, telomeres significantly lengthen between the embryonic and larval stages of development, and that this is not influenced by environmental temperature.
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Affiliation(s)
- Darryl McLennan
- Institute of Biodiversity, Animal Health and Comparative Medicine, Graham Kerr Building, University of Glasgow, Glasgow, G12 8QQ, UK
| | - John D Armstrong
- Marine Scotland-Science, Freshwater Laboratory, Faskally, Pitlochry, PH16 5LB, UK
| | - David C Stewart
- Marine Scotland-Science, Freshwater Laboratory, Faskally, Pitlochry, PH16 5LB, UK
| | - Simon Mckelvey
- Cromarty Firth Fishery Trust, CKD Galbraith, Reay House, 17 Old Edinburgh Road, Inverness, IV2 3HF
| | - Winnie Boner
- Institute of Biodiversity, Animal Health and Comparative Medicine, Graham Kerr Building, University of Glasgow, Glasgow, G12 8QQ, UK
| | - Pat Monaghan
- Institute of Biodiversity, Animal Health and Comparative Medicine, Graham Kerr Building, University of Glasgow, Glasgow, G12 8QQ, UK
| | - Neil B Metcalfe
- Institute of Biodiversity, Animal Health and Comparative Medicine, Graham Kerr Building, University of Glasgow, Glasgow, G12 8QQ, UK
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Milinkovitch T, Lefrançois C, Durollet M, Thomas-Guyon H. Influence of temperature on age-related lipid peroxidation in a short-lived vertebrate (Nothobranchius furzeri). FISH PHYSIOLOGY AND BIOCHEMISTRY 2018; 44:343-347. [PMID: 29098471 DOI: 10.1007/s10695-017-0439-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 10/23/2017] [Indexed: 06/07/2023]
Abstract
In ectotherms, temperature modulates oxidative stress, a key driver of aging. However, the effects of temperature on oxidative stress have not been investigated at several life stages of an ectotherm. In order to improve understanding of aging processes, we conducted a cross-sectional study in short-lived ectotherm vertebrates, the killifish Nothobranchius furzeri. Malondialdehyde contents were assessed at three stages of life, in the liver and muscles of fish acclimatized to optimal or sub-optimal temperatures during all their life cycle. In accordance with the "free-radical theory," our results highlighted an increase in lipid peroxidation in senescent organisms. In the liver, this lipid peroxidation increase was more intense in senescent fish acclimatized to sub-optimal temperature than in fish acclimatized to their optimal temperature.
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Affiliation(s)
- Thomas Milinkovitch
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042, La Rochelle Cedex 01, France.
- IAMC-CNR, Consiglio Nazionale delle Ricerche, Istituto per l'Ambiente Marino Costiero, Località Sa Mardini, 09170, Torregrande, Oristano, Italy.
| | - Christel Lefrançois
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042, La Rochelle Cedex 01, France
| | - Marie Durollet
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042, La Rochelle Cedex 01, France
| | - Hélène Thomas-Guyon
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042, La Rochelle Cedex 01, France
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Bae E, Samanta P, Yoo J, Jung J. Effects of multigenerational exposure to elevated temperature on reproduction, oxidative stress, and Cu toxicity in Daphnia magna. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2016; 132:366-371. [PMID: 27376351 DOI: 10.1016/j.ecoenv.2016.06.034] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Revised: 06/17/2016] [Accepted: 06/20/2016] [Indexed: 06/06/2023]
Abstract
This study evaluated the effect of temperature (20 and 25°C) on reproduction, oxidative stress, and copper (Cu) toxicity in Daphnia magna across three generations (F0, F1, and F2). Exposing D. magna to elevated temperature significantly decreased the number of offspring per female per day, the time to first brood, and body length compared to exposure to the optimal temperature (p<0.05). In addition, elevated temperature induced a significantly higher production of reactive oxygen species and lipid peroxidation (p<0.05). These findings suggest that D. magna likely responded to thermal stress by investing more energy into defense mechanisms, rather than growth and reproduction. In addition, oxidative stress at the elevated temperature gradually increased with each generation, possibly owing to the reduced fitness of the offspring. Exposing D. magna to 25°C (EC50=34±3µgL(-1)) substantially increased the median effective concentration of Cu in all generations compared to exposure to 20°C (EC50=25±3µgL(-1)), indicating a decrease in acute toxicity at elevated temperature. However, elevated temperature significantly increased the oxidative stress induced by a sublethal concentration of Cu (10µgL(-1)). The interaction between elevated temperature and Cu exposure appears to be synergistic; however, this needs to be confirmed using multiple generations in a long-term experiment.
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Affiliation(s)
- Eunhye Bae
- Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Palas Samanta
- Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Jisu Yoo
- Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Jinho Jung
- Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea.
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Pinheiro LC, Oliveira GT. Oxidative Status Profile in Different Tissues of Parastacus brasiliensis promatensis (Crustacea, Decapoda, Parastacidae) over a Seasonal Cycle. ACTA ACUST UNITED AC 2016; 325:318-28. [PMID: 27256498 DOI: 10.1002/jez.2019] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Revised: 03/29/2016] [Accepted: 04/18/2016] [Indexed: 11/12/2022]
Abstract
The objective of this study was to assess annual redox balance by quantifying activity of the antioxidant enzymes superoxide dismutase (SOD), catalase (CAT), and glutathione S-transferase (GST), as well as measuring lipid peroxidation levels by determination of thiobarbituric acid-reactive substances, in different tissues of male and female crayfish collected from an area little affected by anthropogenic impacts. A total of 37 male and 32 female of Parastacus brasiliensis promatensis were collected over an annual cycle, and gill, muscle, hepatopancreas, and gonad samples were harvested and subjected to the aforementioned analyses via spectrophotometry. Comparison of the annual oxidative status response profile in gill and in hepatopancreas between males and females revealed differences only in SOD activity. In abdominal muscle, this comparison revealed a distinct profile of SOD and GST activity, as well as of lipid peroxidation. SOD activity in gonads of females increased in the summer when compared to autumn; conversely, CAT and GST levels did not differ over the year. During reproduction, a possible increase of the energy requirements led to an increase in lipid peroxidation in all tested tissues, in males and females alike. It was least evident in female gonad tissue, which suggests this tissue type is relatively protected; within this context, one may establish a tissue-specific grading of Lipid Peroxidation intensity in females of the species during the spring: gonads < muscle < gills < hepatopancreas. Our results show that the responses of the defenses analyzed antioxidants, as well as lipid peroxidation levels, were sex and tissue dependent and a clear pattern of seasonal variation.
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Affiliation(s)
- Ludimila Carneiro Pinheiro
- Department of Morphophysiological Sciences, Conservation Physiology Lab, Pontifícia Universidade Católica Do Rio Grande do Sul, Porto Alegre, Brazil
| | - Guendalina Turcato Oliveira
- Department of Morphophysiological Sciences, Conservation Physiology Lab, Pontifícia Universidade Católica Do Rio Grande do Sul, Porto Alegre, Brazil
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Tiedke J, Thiel R, Burmester T. Molecular response of estuarine fish to hypoxia: a comparative study with ruffe and flounder from field and laboratory. PLoS One 2014; 9:e90778. [PMID: 24595439 PMCID: PMC3940940 DOI: 10.1371/journal.pone.0090778] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2013] [Accepted: 02/05/2014] [Indexed: 11/18/2022] Open
Abstract
On a global scale, the frequencies and magnitudes of hypoxic events in coastal and estuarine waters have increased dramatically over the past 20 years. Fish populations are suitable indicators for the assessment of the quality of aquatic ecosystems, as they are omnipresent and often comprise a variety of different lifestyles and adaption strategies. We have investigated on the molecular level the impact of hypoxia on two fish species typical of European estuaries. We monitored the expression of eleven putatively hypoxia-responsive genes by means of quantitative real-time RT-PCR in brains, gills and hearts of the ruffe (Gymnocephalus cernua) and the flounder (Platichthys flesus). We first investigated the effect of naturally occurring hypoxia in the Elbe estuary. In a second approach, expression changes in the response to hypoxia were monitored under controlled laboratory conditions. The genes that showed the strongest effect were two respiratory proteins, myoglobin and neuroglobin, as well as the apoptosis enzyme caspase 3. As previously observed in other fish, myoglobin, which was considered to be muscle-specific, was found in brain and gills as well. Comparison of field and laboratory studies showed that--with the exception of the heart of flounder--that mRNA levels of the selected genes were about the same, suggesting that laboratory conditions reflect natural conditions. Likewise, trends of gene expression changes under hypoxia were the same, although hypoxia response was more pronounced in the Elbe estuary. In general, the flounder displayed a stronger response to hypoxia than the ruffe, suggesting that the flounder is more susceptible to hypoxia. The most pronounced differences were found among tissues within a species, demonstrating that hypoxia response is largely tissue-specific. In summary, our data suggest that laboratory experiments essentially mimic field data, but additional environmental factors enhance hypoxia response in nature.
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Affiliation(s)
- Jessica Tiedke
- Institute of Zoology and Zoological Museum, University of Hamburg, Hamburg, Germany
| | - Ralf Thiel
- Institute of Zoology and Zoological Museum, University of Hamburg, Hamburg, Germany
| | - Thorsten Burmester
- Institute of Zoology and Zoological Museum, University of Hamburg, Hamburg, Germany
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