Discover, rate, and discuss biology preprints.

This paper establishes a stable transgenic zebrafish model of G6PD deficiency that mimics clinical features and shows reduced GSH levels and G6PD abundance.

This study investigates brown adipose tissue thermogenesis in naked mole-rats, showing ADRB3-dependent thermogenic activity and its role in thermoregulation in non-cold environments.

This study shows that Anopheles gambiae s.l. mosquitoes survive, oviposit, and blood feed after high-altitude flight, supporting their viability as vectors despite harsh conditions.

The paper uses extended COI mtDNA sequences to analyze the phylogenetic relationships of eight freshwater sponge species in Michigan, finding strongly supported monophyletic groups within Spongillidae.

This study investigates fat deposition and loss in captive barnacle geese during wing moult and pre-winter fattening, finding significant fat reduction during moult and peak fat storage in late-September to early-October.

The paper introduces the Murphy number, showing it dictates quadrupedal gait energetics by affecting walking and running strategies through rotational dynamics.

The paper resurrects Bhavania annandalei as a distinct species from B. australis using morphological, morphometric, meristic, and genetic data.

This study uses DNA barcoding to analyze Odonata species in Italy, finding 85% of morphospecies correspond to distinct molecular units, but 15% show taxonomic mismatches suggesting cryptic species.

This study investigates abortion rates and risk factors in dairy cows and sheep in Ili, China, identifying Brucella melitensis as the main pathogen and highlighting management factors contributing to reproductive issues.

This study compares body condition and reproductive maturation in vervets with access to anthropogenic foods versus wild-foraging vervets, finding earlier reproductive maturation and increased body fat in the former.

The paper delimits the species boundary of Przewalski's scorpion using phylogenetic analysis, ecological niche modeling, and morphological comparison, recognizing it as a distinct species.

This study investigates the factors contributing to the success of Hemidactylus mabouia invasions on Curaçao by analyzing diet, morphology, and competition with native geckos.

This study analyzes milk production data from mountain-pastured Braunvieh cows to assess the impact of environmental, physiological, and morphological factors on productivity during transhumance.

The paper compares flight feather stiffness and size between wild and captive Barnacle Geese and feathers dropped versus regrown during moult, finding wild feathers are stiffer despite long-distance migration.

The paper describes three cryptic earthworm species using genomic and morphological data, identifying species-specific SNPs and genetic distances.

The paper identifies Neotropical hard tick species using MALDI mass spectra and machine learning, showing that self-curated reference libraries can replace commercial ones for accurate identification.

The study finds no acoustic evidence to elevate B. o. distinctus to full species status, supporting existing morphological and genetic classifications.

The paper examines liver alterations in five frog species due to land use changes in the Brazilian Cerrado, finding increased melanin and variations in lipofuscin and hemosiderin as potential biomarkers of environmental stress.

This study examines the sponge order Tethyida in California, identifies a new species in the Hemiasterellidae family, and clarifies taxonomic relationships using morphology and genetics.

The study documents stunting in the Deccan mahseer under high-density lab conditions and discusses conservation and aquaculture implications.