Physiological and biochemical adaptations

The nightshift lowdown: can ants buffer climate change through shifts in vertical and temporal activity?

This study shows that ants can improve their thermal safety margins by shifting activity to cooler niches, with greater benefits in lowland areas than uplands.

Whole-genome analyses point to new candidate genes underlying aestivation in amphibians

The paper identifies 323 genes with accelerated or decelerated evolutionary rates linked to aestivation in amphibians, including processes like ATP production and protein trafficking.

Sociality, diurnal temperature range and isothermality: Significant determinants of mass-independent resting metabolic rate in subterranean African mole-rats (Superfamily Bathyergidae)

Heated debate: Is the seasonal polyphenism of Araschnia levana (Lepidoptera: Nymphalidae) driven by thermoregulation?

This study investigates whether the seasonal polyphenism in Araschnia levana is driven by thermoregulation, finding that morphology and coloration influence thermal dynamics but no active thermoregulation occurs.

Conserved upper thermal limits and small safety margins in soil copiotrophic bacteria.

This study shows that soil copiotrophic bacteria have conserved thermal limits and small safety margins, suggesting limited adaptive potential to warming.

Metabolic plasticity facilitates a high-latitude life of feast and famine in Arctic char

This study investigates how Arctic char adjust their metabolism seasonally to conserve energy in winter and grow in summer, finding that food deprivation and cold temperatures significantly reduce resting energy expenditure.

Surviving in the mountains: Temperature and elevation have contrasting physiological effects on the hoverfly Eristalis tenax in the Himalayas

This study examines how elevation and temperature affect the sensory and cardiac physiology of hoverflies in the Himalayas, finding elevation reduces antennal sensitivity while temperature increases heart rate.

A flexible model for thermal performance curves

This paper introduces flexTPC, a flexible and interpretable thermal performance curve model that outperforms existing models in predictive performance across microbial and entomological datasets.

Spiders bring new insight into the eco-evolutionary drivers of body size variation and sexual size dimorphism in arthropods

This paper reviews body size variation and sexual size dimorphism in spiders across latitude and elevation gradients, finding ecological factors influence these traits more than phylogeny.

Geographic divergence and the genomic basis of reproductive diapause in Drosophila triauraria

The paper identifies genomic regions associated with reproductive diapause variation in Drosophila triauraria across latitudinal gradients using genomic and expression analyses.

Characterizing behavioral and physiological changes in threespine stickleback (Gasterosteus aculeatus) with changing thermal regimes in the Canadian Pacific west coast

This study examines how threespine stickleback respond to different thermal regimes, finding that cold exposure leads to greater weight changes and lower heat shock proteins, suggesting energy trade-offs.

Is torpor a quiescent state? Periodic motility and transient brain activation during daily torpor in Djungarian hamsters

The paper investigates EMG activity during daily torpor in Djungarian hamsters, finding periodic motility and brain activation linked to thermoregulation and vigilance.

Heat hardening enhances mosquito heat tolerance in a species-specific and trait-specific manner

This study assesses how heat hardening affects heat tolerance in three mosquito species, finding species- and trait-specific responses to thermal stress.

Seasonal decline in mitochondrial plasticity in the three-spined stickleback

This study shows that mitochondrial plasticity declines with age in three-spined sticklebacks, reducing their thermal resilience as they mature.

Moving beyond mean thermal death times to assess organismal responses to stressful temperatures

The paper evaluates thermal death time models for Drosophila under fluctuating temperatures, finding that variance in failure times increases with temperature and that models assuming additivity underestimate survival.

A Bear-Specific Coding Exon in TMEM41B Is Associated with Cold Adaptation

The paper identifies a bear-specific coding exon in TMEM41B linked to cold adaptation through comparative genomics and functional analysis.

Thermal constraints shape metabolic scaling and distribution of the tufted ghost crab (Ocypode cursor) in the Mediterranean Sea

This study examines how thermal conditions affect metabolic scaling in tufted ghost crabs across different times of day and breathing modes in the Mediterranean Sea.

Tools of Hibernation Measurement and Interpretation (TOHMIN) for quantifying various values from body temperature fluctuation during hibernation

TOHMIN quantifies hibernation patterns from body temperature data, revealing diet and sex effects on arousal duration and pre-hibernation period.

Early life-stage thermal resilience is determined by climate-linked regulatory variation

This study identifies two regulatory SNPs associated with embryonic heat tolerance in Drosophila melanogaster, showing their correlation with climate variables and demonstrating genotype-to-phenotype links.

Local adaptation in climate tolerance at a small geographic scale contrasts with broad latitudinal patterns

The paper compares climate tolerance variation across a broad latitudinal gradient and local environmental heterogeneity in Drosophila melanogaster, finding similar levels of adaptation at both scales.

How does Gloger's rule predict near- and mid-infrared radiation in birds?

The paper examines NIR absorption and MIR emittance in birds following or not following Gloger's rule, finding species-specific NIR variation and stable MIR emittance across populations.

The cold tolerance of an adult winter-active stonefly: How Allocapnia pygmaea (Plecoptera: Capniidae) avoids freezing in Nova Scotian winters

This study investigates the cold tolerance of Allocapnia pygmaea, finding it avoids freezing by surviving subzero temperatures and showing limited changes in cryoprotectants except for glycerol and myo-inositol.

Shifts in nutrient allocation in a gift-giving butterfly: A hidden consequence of water balance?

The paper investigates how water balance strategies in Pieris rapae butterflies affect nutrient allocation and fitness under drought conditions.

Organismal robustness and resilience influence the ability to cope with cold snaps

This study examines how robustness and resilience to cold snaps affect tree swallow fitness using long-term behavioral data.

Best Practices for Modeling Arthropod Lifetimes in a Bayesian Framework

This study evaluates how data distribution and transformations affect Bayesian inference of thermal performance curves for arthropod lifespans using simulated data.

Air Pocket for a Non-Air-Breathing Fish: Developing Respirometry Methodology for the critically endangered Delta Smelt

This paper develops a respirometry methodology to measure metabolic parameters in Delta Smelt, overcoming previous challenges by incorporating an air pocket to accommodate their physotomous behavior.

Impact of thermal stress during pupal development in a key pollinator

This study examines the impact of thermal stress during bumblebee pupal development, finding reduced emergence and increased wing deformities at 38°C.

Sex and reproductive condition shape thermal acclimation strategy in a plethodontid salamander

This study examines how sex and reproductive condition influence thermal acclimation in salamanders, finding that gravid females show distinct metabolic responses compared to males and non-gravid females.

Universal genomic constraints in the evolvability of thermal physiology

The paper uses simulations to show that body temperature evolution is constrained by protein thermal performance, leading to predictable patterns of rapid initial change followed by slow adaptation.

Local Adaptation and Transcriptomic Plasticity of the Copepod Acartia tonsa Under Low Salinity Stress

This study examines how the copepod Acartia tonsa adapts to low salinity stress through transcriptomic responses in populations from the North Sea and Baltic Sea, revealing differences in osmoregulatory strategies and plasticity.