Rays of the family Rhinopteridae Jordan & Evermann, 1896 are highly migratory and widely distributed in warm tropical and temperate waters. Along the Brazilian coast, the presence of two species has been recorded: Rhinoptera bonasus Mitchill, 1815 and Rhinoptera brasiliensis Müller, 1836. These stingrays are commonly caught as bycatch in trawl fisheries, however, the two species lack distinctive external morphological features...

Pathogenic DEGS1 variants have been reported in individuals with autosomal recessive hypomyelinating leukodystrophy 18 (HLD18; MIM# 618404). Here we describe three participants with HLD features and a previously unreported homozygous DEGS1 5′ splice site variant, c.825+4_825 + 5delAGinsTT (NM_003676.4). We used next-generation DNA and transcriptome sequencing, cell-based splicing assays, and tandem mass spectrometry to detect...

Saliva plays a crucial role in oral defense across mammals by combining host-derived antimicrobial factors with antagonistic indigenous microbiota. Understanding the composition of the oral lactic microbiota in wild canids may provide valuable insights into microbial ecology and animal health. In this study, Lactobacillus and Enterococcus spp. isolated from the saliva of South American bush dogs ( Speothos venaticus ) and mane...

Effective stress regulation is essential for emotional health, whereas maladaptive stress responses contribute to neuropsychiatric disorders such as depression and post-traumatic stress disorder. Because neuron–microglia interactions are increasingly recognized as key modulators of neuroplasticity under physiological conditions, stress-related microglial dysregulation may contribute to aberrant neuronal responses implicated in...