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Photoperiod-driven testicular DNA methylation in gonadotropin and sex steroid receptor promoters in Siberian hamsters
Photoperiod-driven testicular DNA methylation in gonadotropin and sex steroid receptor promoters in Siberian hamsters
Seasonal cycles in breeding, often orchestrated by annual changes in photoperiod, are common in nature. Here, we studied h...
Flupyradifurone, imidacloprid and clothianidin disrupt the auditory processing in the locust CNS
Flupyradifurone, imidacloprid and clothianidin disrupt the auditory processing in the locust CNS
Since the EU banned classic neonicotinoids like imidacloprid and clothianidin, they may be replaced by more recently marke...
Electrophysiological and behavioral responses of elongated solifuge sensilla to mechanical stimuli
Electrophysiological and behavioral responses of elongated solifuge sensilla to mechanical stimuli
A fundamental understanding of animal sensory systems is crucial for comprehending their interactions with the environment...
Monoamine neurochemistry, behavior, and microhabitat contribute to male coquí frog modes: silent, territorial, and paternal
Monoamine neurochemistry, behavior, and microhabitat contribute to male coquí frog modes: silent, territorial, and paternal
Monoaminergic neurotransmitters are essential for a multitude of physiological and behavioral functions including territor...
Photoperiodic plasticity of pigment-dispersing factor immunoreactive fibers projecting toward prothoracicotropic hormone neurons in flesh fly Sarcophaga similis larvae
Photoperiodic plasticity of pigment-dispersing factor immunoreactive fibers projecting toward prothoracicotropic hormone neurons in flesh fly Sarcophaga similis larvae
Larvae of the flesh fly, Sarcophaga similis exhibit photoperiodic responses to control pupal diapause. Although the extern...
The cold tolerance of the terrestrial slug, Ambigolimax valentianus
The cold tolerance of the terrestrial slug, Ambigolimax valentianus
Terrestrial molluscs living in temperate and polar environments must contend with cold winter temperatures. However, the p...
Male seminal fluid allocation according to socio-sexual context in the South American fruit fly
Male seminal fluid allocation according to socio-sexual context in the South American fruit fly
During copulation male insects transfer sperm and seminal fluids, including accessory gland proteins (Acps) to females, pr...
Essential and nonessential fatty acid composition and use in overwintering monarch butterflies
Essential and nonessential fatty acid composition and use in overwintering monarch butterflies
Monarch butterflies (Danaus plexippus) undertake one of the most remarkable long-distance insect migrations, travelling th...
Vector-based navigation in desert ants: the significance of path-integration vectors
Vector-based navigation in desert ants: the significance of path-integration vectors
In the longstanding discussion of whether insects, especially central place foragers such as bees and ants, use metric rep...
Werner Nachtigall (1934–2024)
Werner Nachtigall (1934–2024)
On September 5th, 2024, Werner Nachtigall (born July 6, 1934) passed away. Nachtigall is a pioneer in biomechanics, a foun...
Do wild-caught fly larvae cooperatively forage?
Do wild-caught fly larvae cooperatively forage?
Animals often form organized cooperative foraging groups, where individual members must adhere to specific rules to mainta...
Novel nerve regeneration assessment method using adult zebrafish with crush spinal cord injury
Novel nerve regeneration assessment method using adult zebrafish with crush spinal cord injury
Zebrafish (Danio rerio), an alternative to rodents, are widely used in neurological, genetic, and toxicology research. The...
Same same, but different: exploring the enigmatic role of the pituitary adenylate cyclase-activating polypeptide (PACAP) in invertebrate physiology
Same same, but different: exploring the enigmatic role of the pituitary adenylate cyclase-activating polypeptide (PACAP) in invertebrate physiology
Evidence has been accumulating that elements of the vertebrate pituitary adenylate cyclase-activating polypeptide (PACAP) ...
Shelter selection in females of two scorpion species depends on shelter size and scent
Shelter selection in females of two scorpion species depends on shelter size and scent
Shelter selection is an important task in an animal’s life. Concerning scorpions, little is known on the evaluation ...
Is there direct photoentrainment in the goldfish liver? Wavelength-dependent regulation of clock genes and investigation of the opsin 7 family
Is there direct photoentrainment in the goldfish liver? Wavelength-dependent regulation of clock genes and investigation of the opsin 7 family
Widespread direct photoentrainment in zebrafish peripheral tissues is linked to diverse non-visual opsins. To explore whet...
The effect of extracellular potassium concentration on the oscillation frequency of the pacemaker nucleus in the weakly electric fish Apteronotus leptorhynchus
The effect of extracellular potassium concentration on the oscillation frequency of the pacemaker nucleus in the weakly electric fish Apteronotus leptorhynchus
The weakly electric brown ghost knifefish (Apteronotus leptorhynchus) exhibits a pronounced sexual dimorphism in its elect...
Song-like activation of syringeal and respiratory muscles during sleep in canaries
Song-like activation of syringeal and respiratory muscles during sleep in canaries
Sleep replay activity involves the reactivation of brain structures with patterns similar to those observed during waking ...
The 2024 covers of the Journal of Comparative Physiology A
The 2024 covers of the Journal of Comparative Physiology A
The covers of the 2024 issues of the Journal of Comparative Physiology A are presented at full size and high resolution, t...
Ips typographus vision system: a comprehensive study
Ips typographus vision system: a comprehensive study
Aggressive bark beetle species such as the Eurasian spruce bark beetle Ips typographus play a fundamental role in forest e...
Tanycytes from a bird’s eye view: gene expression profiling of the tanycytic region under different seasonal states in the Svalbard ptarmigan
Tanycytes from a bird’s eye view: gene expression profiling of the tanycytic region under different seasonal states in the Svalbard ptarmigan
In mammals and birds, tanycytes are known to regulate thyroid hormone conversion, and this process is central to the contr...
Representation of bulk water flow in the goldfish (Carassius auratus) midbrain
Representation of bulk water flow in the goldfish (Carassius auratus) midbrain
With the mechanosensory lateral line system, fish and semi-aquatic amphibians detect water movements and pressure gradient...
Vocalization-induced middle ear muscle reflex and auditory fovea do not contribute to the unimpaired auditory sensitivity after intense noise exposure in the CF-FM bat, Hipposideros pratti
Vocalization-induced middle ear muscle reflex and auditory fovea do not contribute to the unimpaired auditory sensitivity after intense noise exposure in the CF-FM bat, Hipposideros pratti
Behaviors and auditory physiological responses of some species of echolocating bats remain unaffected after exposure to in...
Note similarities affect syntactic stability in zebra finches
Note similarities affect syntactic stability in zebra finches
The acquisition of an acoustic template is a fundamental component of vocal imitation learning, which is used to refine in...
Expression of proteins supporting visual function in heterobranch gastropods
Expression of proteins supporting visual function in heterobranch gastropods
To sense light, animals often utilize mechanisms that rely on visual pigments composed of opsin and retinal. The photon-in...
The distribution and chemosensory responses of pharyngeal taste buds in the sea lamprey Petromyzon marinus
The distribution and chemosensory responses of pharyngeal taste buds in the sea lamprey Petromyzon marinus
Little is known about the chemosensory system of gustation in sea lampreys, basal jawless vertebrates that feed voraciousl...
Characterization of pre-diapause phase in the northern Drosophila species D. ezoana
Characterization of pre-diapause phase in the northern Drosophila species D. ezoana
Drosophila ezoana is a virilis group Drosophila species inhabiting northern latitudes. The flies enter adult reproductive ...
Jürgen Boeckh (1934–2023) and Vera Boeckh, née von Zwehl (1928–2022): pioneers of sensory physiology and neuroethology
Jürgen Boeckh (1934–2023) and Vera Boeckh, née von Zwehl (1928–2022): pioneers of sensory physiology and neuroethology
Jürgen Boeckh, a respected pioneer of insect olfaction died shortly after his beloved wife Vera Boeckh, née von ...
A versatile recording device for the analysis of continuous daily external activity in colonies of highly eusocial bees
A versatile recording device for the analysis of continuous daily external activity in colonies of highly eusocial bees
As pollinators, bees are key to maintaining the biodiversity of angiosperm plants, and for agriculture they provide a bill...
The effects of doxapram and its potential interactions with K2P channels in experimental model preparations
The effects of doxapram and its potential interactions with K2P channels in experimental model preparations
The channels commonly responsible for maintaining cell resting membrane potentials are referred to as K2P (two-P-domain K+...
Erwin Bünning and Wolfgang Engelmann: establishing the involvement of the circadian clock in photoperiodism
Erwin Bünning and Wolfgang Engelmann: establishing the involvement of the circadian clock in photoperiodism
In 1936, Erwin Bünning published his groundbreaking work that the endogenous clock is used to measure day length for ...
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