Journal of thermal biology最新文献

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Hypothermia treatment for ocular ischemia: A multiphase porous thermal model of human eye 低温治疗眼缺血:人眼多相多孔热模型
IF 2.9 2区 生物学
Journal of thermal biology Pub Date : 2025-07-01 DOI: 10.1016/j.jtherbio.2025.104139
D. Gongal , J.R. Hetling , C.D. Foster
{"title":"Hypothermia treatment for ocular ischemia: A multiphase porous thermal model of human eye","authors":"D. Gongal ,&nbsp;J.R. Hetling ,&nbsp;C.D. Foster","doi":"10.1016/j.jtherbio.2025.104139","DOIUrl":"10.1016/j.jtherbio.2025.104139","url":null,"abstract":"<div><div>Localized therapeutic hypothermia is a cooling technique to reduce eye temperature to prevent neuron loss under ischemic conditions. The treatment is a non-invasive intervention technique that aids recovery and may reduce vision loss in ocular ischemia patients. The paper presents a thermal analysis simulation to predict the temperature change in the human eye under local hypothermia treatment using a scleral contact cooling ring device. A thermoregulating blood flow model is introduced to simulate realistic blood circulation in the eye using a three-phase porous media that includes tissue, inflowing blood, and outflowing blood. A transient analysis is performed using a three-dimensional human eye model consisting of an ocular globe and its surrounding fat and muscles. The results show that the optic nerve head and retina temperature decreases to the therapeutic temperature of below 34 °C in 10.58 min of application of the eye cooling device. Sensitivity analysis was performed on all the material and thermal properties to identify the critical variables in the thermal evaluation of the human eye.</div></div>","PeriodicalId":17428,"journal":{"name":"Journal of thermal biology","volume":"131 ","pages":"Article 104139"},"PeriodicalIF":2.9,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144581194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Body mass and mate choice in bumblebees (Bombus terrestris) under climate heating 气候变暖条件下大黄蜂的体重和配偶选择
IF 2.9 2区 生物学
Journal of thermal biology Pub Date : 2025-07-01 DOI: 10.1016/j.jtherbio.2025.104210
Min Su Park , Ji Hyun Woo , Hyung Joo Yoon , Bo Yeon Kim , Kyeong Yong Lee , Steven A. Trewick , Kwang Sik Lee , Byung Rae Jin
{"title":"Body mass and mate choice in bumblebees (Bombus terrestris) under climate heating","authors":"Min Su Park ,&nbsp;Ji Hyun Woo ,&nbsp;Hyung Joo Yoon ,&nbsp;Bo Yeon Kim ,&nbsp;Kyeong Yong Lee ,&nbsp;Steven A. Trewick ,&nbsp;Kwang Sik Lee ,&nbsp;Byung Rae Jin","doi":"10.1016/j.jtherbio.2025.104210","DOIUrl":"10.1016/j.jtherbio.2025.104210","url":null,"abstract":"<div><div>Climate warming influences the population size, body size, and diversity of bumblebees, important pollinators in agriculture and ecosystems. Increases in developmental temperatures due to climate warming lead to reduction in bumblebee body size, particularly among the worker caste, resulting in reduced pollination activity. However, how reduced body mass resulting from warm conditions influences mate choice between new queens and males remains unclear. This interaction has a major role in viability of subsequent generations, and we investigated male-male competition and queen mate choice in <em>Bombus terrestris</em> at optimal and elevated mating temperatures (23 °C and 32 °C, respectively). At both temperatures, large males had a significantly higher mating rate than small males. Small males exhibited slightly prolonged mating, while large males transferred more sperm to queens’ spermathecae owing to their higher sperm count. In mating experiments with queens of different body weights, no significant difference was observed in the mating rate between large and small queens at 23 °C, but at 32 °C, large queens had a significantly higher mating rate than small queens, indicating strong male preferences for large queens. Additionally, the survival of mated queens after hibernation was positively correlated with their body weight prior to hibernation. These results demonstrate the changes in the mating preferences of queens and males under warm conditions, suggesting that mate choice shapes subsequent generations in such environments.</div></div>","PeriodicalId":17428,"journal":{"name":"Journal of thermal biology","volume":"131 ","pages":"Article 104210"},"PeriodicalIF":2.9,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144623464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Individual differences in the development of thermoregulation among littermates of the domestic rabbit 家兔窝仔体温调节发育的个体差异
IF 2.9 2区 生物学
Journal of thermal biology Pub Date : 2025-07-01 DOI: 10.1016/j.jtherbio.2025.104189
Yesenia Fernández , Heiko G. Rödel , Christophe Féron , Verónica Reyes-Meza , Robyn Hudson , Amando Bautista
{"title":"Individual differences in the development of thermoregulation among littermates of the domestic rabbit","authors":"Yesenia Fernández ,&nbsp;Heiko G. Rödel ,&nbsp;Christophe Féron ,&nbsp;Verónica Reyes-Meza ,&nbsp;Robyn Hudson ,&nbsp;Amando Bautista","doi":"10.1016/j.jtherbio.2025.104189","DOIUrl":"10.1016/j.jtherbio.2025.104189","url":null,"abstract":"<div><div>The tight regulation of body temperature is essential for the maintenance of homeostasis in homeothermic endotherms. However, newborn altricial mammals are limited in their ability to maintain body temperature independently because they usually lack an insulating layer of fur, they have a relatively large body surface to volume ratio, and they have immature vasomotor control. Thus, altricial young are generally considered ectothermic poikilotherms at birth, but rapidly develop homeothermic endothermy. However, in polytocous species it is not known whether there are differences among littermates in the temporal development of endothermy and if so, what might account for this. Our aim was to determine the contribution of interactions among littermates to possible individual differences in the onset of homeothermic endothermy in altricial pups of the domestic rabbit. In 10 litters we evaluated individual differences in pups' position within the litter huddle on differences in their ability to maintain a stable body temperature when exposed individually to an acute daily cold challenge across the first 15 postnatal days. Greater relative body mass at birth was associated with greater body mass gain, occupancy of central positions in the litter huddle, and more rapid growth of fur, which together were associated with the earlier development of homeothermic endothermy. We conclude that early interactions among littermates associated with relative differences in initial body mass contribute to individual differences in the development of endothermy, with possible long-term consequences for individuals’ fitness and metabolic phenotype.</div></div>","PeriodicalId":17428,"journal":{"name":"Journal of thermal biology","volume":"131 ","pages":"Article 104189"},"PeriodicalIF":2.9,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144536243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modeling physiological and thermoregulatory responses during an Olympic triathlon 模拟奥运会铁人三项期间的生理和体温调节反应
IF 2.9 2区 生物学
Journal of thermal biology Pub Date : 2025-07-01 DOI: 10.1016/j.jtherbio.2025.104203
Irena I. Yermakova , Adam W. Potter , Christopher L. Chapman , Karl E. Friedl
{"title":"Modeling physiological and thermoregulatory responses during an Olympic triathlon","authors":"Irena I. Yermakova ,&nbsp;Adam W. Potter ,&nbsp;Christopher L. Chapman ,&nbsp;Karl E. Friedl","doi":"10.1016/j.jtherbio.2025.104203","DOIUrl":"10.1016/j.jtherbio.2025.104203","url":null,"abstract":"<div><div>Olympic triathlons are physiologically challenging with varying environmental conditions and physical demands through three events that create a complex dynamic affecting performance and injury risk. Mathematical models provide useful insights into these physiological and thermal responses imposed on individuals and allow for risk mitigation strategies, after action assessments, and for potential training optimization. The purpose of this study was to evaluate thermoregulatory responses continuously during Olympic triathlon for athletes using a mathematical model. Methods: The Health Risk Prediction Model (HRP), a validated 14-segment mathematical model was used to predict physiological and thermoregulatory outcomes during each phase of an Olympic triathlon. Simulated inputs were derived from the observed conditions from the Summer Olympic Games - Rio de Janeiro – 2016, during the men's triathlon (August 18, 2016, starting at 11:00 a.m.). Environmental conditions were: water temperature of 25 °C, air temperature 28 °C, relative humidity 50 %, and 5 m/s wind speed. Metabolic rates were calculated based on times to finish each phase (swimming 36 min at 900 kcal/h, cycling 72 min at 1000 kcal/h, and running 60 min at 900 kcal/h), associated transition times (3 and 1.5 min), and the entire collective event (2 h, 52 min, 30 s). Results and Discussion: This work represents an initial effort to comprehensively model physiological and thermoregulatory effects during an extraordinarily complex event, the Olympic triathlon. Physiological modeling provides insights into the interrelated changes occurring during each phase of exercise and the transitions between them. Lastly, these model results focus additional research questions.</div></div>","PeriodicalId":17428,"journal":{"name":"Journal of thermal biology","volume":"131 ","pages":"Article 104203"},"PeriodicalIF":2.9,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144570843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Developmental temperature has sex-specific effects on behavioural plasticity 发育温度对行为可塑性有性别特异性影响
IF 2.9 2区 生物学
Journal of thermal biology Pub Date : 2025-07-01 DOI: 10.1016/j.jtherbio.2025.104202
Madeleine de Jong, David G. Chapple, Bob B.M. Wong
{"title":"Developmental temperature has sex-specific effects on behavioural plasticity","authors":"Madeleine de Jong,&nbsp;David G. Chapple,&nbsp;Bob B.M. Wong","doi":"10.1016/j.jtherbio.2025.104202","DOIUrl":"10.1016/j.jtherbio.2025.104202","url":null,"abstract":"<div><div>As climate change progresses, species persistence will be influenced by the ability to adjust behaviour in response to rising temperatures. Thermal environments experienced in early development can have permanent effects on phenotype. However, it is largely unexplored whether these effects subsequently impact behavioural plasticity in response to thermal environments experienced after this early developmental period. To address this, we incubated delicate skink eggs (<em>Lampropholis delicata</em>) across three temperature treatments and quantified activity, microhabitat choice, and dispersal in mild and hot environments when skinks reached four to six weeks of age. Effects of incubation and thermal environment, as well as their interaction, were sex- and behaviour-specific. Differences in incubation temperature affected behavioural variation in response to thermal environment most strongly for activity, followed by dispersal, with no effect on microhabitat use. Males were the most plastic sex. Hot-incubated males had the greatest increase in activity and cool-incubated males dispersed further in a hot environment. Mild-incubated males were also the most dispersive compared to other male incubation groups. In contrast, females did not differ as often between incubation treatments or thermal environments. These results highlight sex-dependent effects of developmental temperature on behavioural plasticity, indicating climate change may impact males and females differently. If these effects result in sex-specific effects on survival, there may be implications for population growth and dynamics with a changing climate.</div></div>","PeriodicalId":17428,"journal":{"name":"Journal of thermal biology","volume":"131 ","pages":"Article 104202"},"PeriodicalIF":2.9,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144633343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modulation of optical heating during hyperthermia for the separation of reversible and irreversible changes in biological tissues 在生物组织中分离可逆和不可逆变化的热疗过程中光学加热的调制
IF 2.9 2区 生物学
Journal of thermal biology Pub Date : 2025-07-01 DOI: 10.1016/j.jtherbio.2025.104192
Kirill Sovin , Nikita Kovalenko , Oleg Ryabushkin
{"title":"Modulation of optical heating during hyperthermia for the separation of reversible and irreversible changes in biological tissues","authors":"Kirill Sovin ,&nbsp;Nikita Kovalenko ,&nbsp;Oleg Ryabushkin","doi":"10.1016/j.jtherbio.2025.104192","DOIUrl":"10.1016/j.jtherbio.2025.104192","url":null,"abstract":"<div><div>Preoperative planning of medical attention is crucial in minimally-invasive laser, microwave and radiofrequency treatments. For this purpose, it is important to determine accurately the parameters of biological tissues that describe its changes that occur during hyperthermia procedures.</div><div>A method providing spatially uniform heating was developed during which changes in the modulus of the electrical admittance of the sample at a frequency of 10 kHz corresponding to the β-dispersion region which is most sensitive to degradation processes were recorded. Highly sensitive fiber Bragg gratings were used for temperature measurements.</div><div>Amplitude modulation of optical radiation power (20 W at 970 nm) enabled the separation of reversible and irreversible changes occurring during the heating process. Reversible changes are related to the temperature dependence of the ionic conductivity, and irreversible ones are related to cell lysis and protein coagulation.</div><div>Experimental data were obtained for chicken liver samples. The data were analyzed using the Arrhenius formalism describing the irreversible degradation process of biological tissue. The values of the critical temperature <span><math><mrow><msub><mi>T</mi><mrow><mi>c</mi><mi>r</mi></mrow></msub><mo>=</mo><mn>101</mn><mo>±</mo><mn>2</mn><mspace></mspace><mo>°</mo><mi>С</mi></mrow></math></span> and the logarithm of the frequency factor <span><math><mrow><mi>ln</mi><mrow><mo>(</mo><mi>A</mi><mo>)</mo></mrow><mo>=</mo><mrow><mo>(</mo><mrow><mn>48.5</mn><mo>±</mo><mn>3.8</mn></mrow><mo>)</mo></mrow><mspace></mspace><mi>ln</mi><mo>⁡</mo><mrow><mo>(</mo><msup><mi>s</mi><mrow><mo>−</mo><mn>1</mn></mrow></msup><mo>)</mo></mrow></mrow></math></span> were obtained.</div></div>","PeriodicalId":17428,"journal":{"name":"Journal of thermal biology","volume":"131 ","pages":"Article 104192"},"PeriodicalIF":2.9,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144587901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Estimating military working dog core temperature change with machine learning: A simulation study 用机器学习估计军事工作犬核心温度变化:一项模拟研究
IF 2.9 2区 生物学
Journal of thermal biology Pub Date : 2025-07-01 DOI: 10.1016/j.jtherbio.2025.104211
Tanya M. Tebcherani , Philip T. Koshute , Daniel C. Hooper , Megan B. Toms , Rekha S. Holtry
{"title":"Estimating military working dog core temperature change with machine learning: A simulation study","authors":"Tanya M. Tebcherani ,&nbsp;Philip T. Koshute ,&nbsp;Daniel C. Hooper ,&nbsp;Megan B. Toms ,&nbsp;Rekha S. Holtry","doi":"10.1016/j.jtherbio.2025.104211","DOIUrl":"10.1016/j.jtherbio.2025.104211","url":null,"abstract":"<div><div>Military working dogs play a critical role in supporting the United States Military across various missions. Many missions occur in hot environments and predispose military working dogs to hyperthermia, a leading cause of their death. A previous effort created a physics-based model to estimate military working dog core temperature change based on dog attributes, metabolic activity, and environmental conditions. We hypothesize that a machine learning model that builds on the physics-based model may offer additional and complementary benefits. This includes the ability to infer relationships from real-world data, easy modification of features, and compatibility with existing techniques to explain predictions. These benefits would enhance model usability and applicability, especially for scenarios where dogs’ core temperature change patterns may be atypical. As a first step towards a machine learning-based modeling framework, we approximated the physics-based model with three machine learning models, showing feasibility of applying machine learning to this type of data. Of these models, the random forest model, which we dub the “K9-TempML” model, provides the closest core temperature change estimates to the physics-based model and offers well-established methods for feature analyses. We performed feature analysis and augmentation studies on this model to determine the impact of each feature on core temperature change estimates, demonstrating that removing features that are difficult to collect could retain model accuracy but improve usability. Future work includes training a machine learning-based model using real-world data, applying the model to individual military working dogs, and integrating the model into a real-time core temperature change estimation tool and pre-deployment planning aid.</div></div>","PeriodicalId":17428,"journal":{"name":"Journal of thermal biology","volume":"131 ","pages":"Article 104211"},"PeriodicalIF":2.9,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144703443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Heatwaves during embryonic development reveal duration-dependent effects in zebrafish 胚胎发育期间的热浪揭示了斑马鱼的持续依赖效应
IF 2.9 2区 生物学
Journal of thermal biology Pub Date : 2025-07-01 DOI: 10.1016/j.jtherbio.2025.104195
Náyade Álvarez-Quintero , Livia Pinzoni , Merel C. Breedveld , Clelia Gasparini
{"title":"Heatwaves during embryonic development reveal duration-dependent effects in zebrafish","authors":"Náyade Álvarez-Quintero ,&nbsp;Livia Pinzoni ,&nbsp;Merel C. Breedveld ,&nbsp;Clelia Gasparini","doi":"10.1016/j.jtherbio.2025.104195","DOIUrl":"10.1016/j.jtherbio.2025.104195","url":null,"abstract":"<div><div>Heatwaves, defined as periods of unusually high temperatures are increasingly frequent due to climate change. It is well known that ectotherms are particularly vulnerable to heat stress, especially during sensitive life stages such as embryonic development. However, the consequences of short, ecologically relevant heat stress, remain less investigated. Here, we investigate the effects of short-term heat stress during embryonic development in zebrafish (<em>Danio rerio</em>). For this, 1753 embryos were exposed to simulated heatwaves of different durations (6, 24, or 48 h) and frequencies (one or two events) during development, with a temperature of 35 °C (+7 °C above the standard temperature of 28 °C). Their pre- and post-natal survival, hatching time, larval body size, and locomotor activity once hatched were evaluated. Additionally, the larval locomotor activity was assessed at control and heat-stress temperatures to determine if embryonic heat stress would result in larvae coping better with high temperatures. Our results showed that exposure to high temperatures (35 °C) increased pre-natal mortality, and further effects varied depending on the duration of the heatwave. Longer heatwaves (48 h) accelerated the rate of development but resulted in smaller larvae that swam more under heat stress, while short heatwaves (24 h and two repeated periods of 6 h) did not have any effect. Our results indicate that the embryonic stage is highly sensitive to even brief periods of heat stress, such as those experienced during a heatwave, and that the duration of exposure leads to different responses. These findings offer crucial insights into the extreme sensitivity of embryos to heatwaves and highlight wider consequences for individuals and populations, which are crucial for predicting how species will respond to ongoing climate change.</div></div>","PeriodicalId":17428,"journal":{"name":"Journal of thermal biology","volume":"131 ","pages":"Article 104195"},"PeriodicalIF":2.9,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144587900","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cold currents and warm preferences: how temperature shapes the 3D locomotion of Niphargus longicaudatus 冷流和温暖偏好:温度如何塑造长尾尼法龙的三维运动
IF 2.9 2区 生物学
Journal of thermal biology Pub Date : 2025-07-01 DOI: 10.1016/j.jtherbio.2025.104208
Mattia Di Cicco , Emma Galmarini , Tiziana Di Lorenzo , Francesco Cerasoli , Diana Maria Paola Galassi
{"title":"Cold currents and warm preferences: how temperature shapes the 3D locomotion of Niphargus longicaudatus","authors":"Mattia Di Cicco ,&nbsp;Emma Galmarini ,&nbsp;Tiziana Di Lorenzo ,&nbsp;Francesco Cerasoli ,&nbsp;Diana Maria Paola Galassi","doi":"10.1016/j.jtherbio.2025.104208","DOIUrl":"10.1016/j.jtherbio.2025.104208","url":null,"abstract":"<div><div>Groundwater ecosystems play a pivotal role in global biodiversity and ecosystem functioning, yet they face increasing pressures from climate change. The amphipod genus <em>Niphargus</em>, a dominant taxon in European groundwater habitats, has shown evidence of broad thermal adaptability that challenges prevailing theories on narrow thermal niches in groundwater species. This study investigated the locomotory behaviour of <em>Niphargus longicaudatus</em> (Costa, 1851), a stygobitic amphipod, under habitat temperature (9 °C) and preferred temperature (15 °C) using 3D tracking techniques. Individuals at 15 °C displayed significantly higher average swimming speed, increased vertical occupancy, and greater trajectory tortuosity compared to those at 9 °C, despite spending a similar amount of time in movement. These behavioural shifts suggest metabolic adjustments enabling enhanced resource exploration at warmer temperatures. The findings are contextualized within the evolutionary history of the amphipod genus <em>Niphargus</em>, shaped by past climatic, geological and hydrological conditions, which may have selected for eurythermal traits in some lineages. These adaptations highlight potential to exploit habitats across a broad temperature range, not necessarily providing an advantage to <em>N.longicaudatus</em> due to the complex effects of climate change on groundwater ecosystems. This work underscores the importance of integrating behavioural, metabolic, and paleoclimatic perspectives in understanding the impacts of climate change on subterranean biodiversity and distribution.</div></div>","PeriodicalId":17428,"journal":{"name":"Journal of thermal biology","volume":"131 ","pages":"Article 104208"},"PeriodicalIF":2.9,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144721349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal tolerance of Aedes aegypti mosquito eggs is associated with urban adaptation and human interactions 埃及伊蚊卵的耐热性与城市适应和人类互动有关
IF 2.9 2区 生物学
Journal of thermal biology Pub Date : 2025-07-01 DOI: 10.1016/j.jtherbio.2025.104167
Souvik Chakraborty , Emily Zigmond , Sher Shah , Diya Dayal , Massamba Sylla , Jewelna Akorli , Sampson Otoo , Noah H. Rose , Carolyn S. McBride , Peter A. Armbruster , Joshua B. Benoit
{"title":"Thermal tolerance of Aedes aegypti mosquito eggs is associated with urban adaptation and human interactions","authors":"Souvik Chakraborty ,&nbsp;Emily Zigmond ,&nbsp;Sher Shah ,&nbsp;Diya Dayal ,&nbsp;Massamba Sylla ,&nbsp;Jewelna Akorli ,&nbsp;Sampson Otoo ,&nbsp;Noah H. Rose ,&nbsp;Carolyn S. McBride ,&nbsp;Peter A. Armbruster ,&nbsp;Joshua B. Benoit","doi":"10.1016/j.jtherbio.2025.104167","DOIUrl":"10.1016/j.jtherbio.2025.104167","url":null,"abstract":"<div><div>Climate change will profoundly affect mosquito distributions and their ability to serve as vectors for disease, specifically with the anticipated increase in heat waves. The rising temperature and frequent heat waves can accelerate mosquito life cycles, facilitating higher disease transmission. Conversely, higher temperatures could increase mosquito mortality as a negative consequence. Warmer temperatures are associated with urbanized areas, suggesting a need for anthropophilic mosquitoes to adapt to be more hardy to heat stress. Mosquito eggs provide an opportunity to study the biological impact of climate warming as this stage is stationary and must tolerate temperatures at the site of female oviposition. As such, egg thermotolerance is critical for survival in a specific habitat. In nature, <em>Aedes</em> mosquitoes exhibit different behavioral phenotypes, where specific populations prefer depositing eggs in tree holes and prefer feeding non-human vertebrates. In contrast, others, particularly human-biting specialists, favor laying eggs in artificial containers near human dwellings. This study examined the thermotolerance of eggs, along with larval and adult stages, for <em>Aedes aegypti</em> lineages associated with known ancestry and shifts in their host preferences. Mosquitoes collected from areas with high human density showed increased egg viability following high-temperature stress, and a similar, yet more muted effect was noted in larvae. Unlike eggs and larvae, thermal tolerance among adults showed no significant correlation based on the area of collection or human-association. This study underscores that urbanization is a major driver of egg thermotolerance, highlighting the egg stage is likely critical to mosquito survival when associated with humans and needs to be accounted for when predicting future mosquito distribution.</div></div>","PeriodicalId":17428,"journal":{"name":"Journal of thermal biology","volume":"131 ","pages":"Article 104167"},"PeriodicalIF":2.9,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144518098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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