Unraveling Evolutionary Insights Into AVT Peptide Conservation and Antimicrobial Motif Prediction Across Taxa

The study examines the evolutionary conservation and multifunctionality of the arginine vasotocin (AVT) peptide across various taxa, including vertebrates, plants, and bacteria. AVT is highly conserved, indicating its critical role in physiological functions such as osmoregulation and social behavior. A specific antimicrobial motif within AVT, GIRQCMSCGPGDRGR, was identified, showing potential for antimicrobial defense due to its cationic and amphipathic properties. This motif shares similarities with known antimicrobial peptides, suggesting AVT's potential for synthetic peptide design targeting microbial infections. However, these findings are preliminary and require further experimental validation to confirm AVT's antimicrobial activity and functional relevance in vivo.