Diversity and evolution of frog visual opsins: spectral tuning and adaptation to distinct light environments

RK Schott, MK Fujita, JW Streicher… - Molecular biology …, 2024 - academic.oup.com
Visual systems adapt to different light environments through several avenues including
optical changes to the eye and neurological changes in how light signals are processed and …

Insights into the evolution of photoreceptor oil droplets in frogs and toads

NG Cervino, AJ Elias-Costa… - … of the Royal …, 2024 - royalsocietypublishing.org
Photoreceptor oil droplets (ODs) are spherical organelles placed most commonly within the
inner segment of the cone photoreceptors. Comprising neutral lipids, ODs can be either non …

The relationship between spectral signals and retinal sensitivity in dendrobatid frogs

WG Walkowski, CL Richards-Zawacki, WC Gordon… - PloS one, 2024 - journals.plos.org
Research on visually driven behavior in anurans has often focused on Dendrobatoidea, a
clade with extensive variation in skin reflectance, which is perceived to range from cryptic to …

[HTML][HTML] The genomic evolution of visual opsin genes in amphibians

JJ Lin, FY Wang, WY Chung, TY Wang - Vision Research, 2024 - Elsevier
Among tetrapod (terrestrial) vertebrates, amphibians remain more closely tied to an
amphibious lifestyle than amniotes, and their visual opsin genes may be adapted to this …

[HTML][HTML] Passive accumulation of alkaloids in inconspicuously colored frogs refines the evolutionary paradigm of acquired chemical defenses

RD Tarvin, JL Coleman, DA Donoso… - …, 2024 - pmc.ncbi.nlm.nih.gov
Understanding the origins of novel, complex phenotypes is a major goal in evolutionary
biology. Poison frogs of the family Dendrobatidae have evolved the novel ability to acquire …

Passive accumulation of alkaloids in putatively non-toxic frogs challenges paradigms of the origins of acquired chemical defenses

RD Tarvin, JL Coleman, DA Donoso… - bioRxiv, 2024 - biorxiv.org
Understanding the origins of novel, complex phenotypes is a major goal in evolutionary
biology. Poison frogs of the family Dendrobatidae have evolved the novel ability to acquire …

Expression patterns of melanin‐related genes are linked to crypsis and conspicuousness in a pumpkin toadlet

JPC Monteiro, H Pröhl, ML Lyra, AE Brunetti… - Molecular …, 2004 - Wiley Online Library
Colour signals play pivotal roles in different communication systems, and the evolution of
these characters has been associated with behavioural ecology, integumentary production …