The chromosome-level genome of Mesobuthus martensii provides insights into its evolution and the diversity of venom peptides

  The chromosome-level genome of Mesobuthus martensii provides insights into its evolution and the diversity of venom peptides Abstract Mesobuthus martensii , the source species of the traditional Chinese medicine “Quanxie”, has long been utilized for its therapeutic properties. Venom peptides are recognized as the major active molecular basis of these pharmacological activities. Despite this, their development as therapeutic agents remains poorly explored. In this study, we performed an integrated multi-omics investigation to systematically explore the venom peptides of Mesobuthus martensii . We generated a chromosome-level genome assembly of Mesobuthus martensii using third-generation sequencing technologies, yielding a genome size of 1.08 Gb with a contig N50 of 46.46 Mb. Integrated genomic and transcriptomic analyses led to the identification of 51 putative novel venom peptide candidates. From the broader venom peptide set, five lysine- and arginine-rich candidates were select...

Three new Cybaeodamus Mello-Leitão, 1938 species from Brazil (Araneae, Zodariidae)

 


Three new Cybaeodamus Mello-Leitão, 1938 species from Brazil (Araneae, Zodariidae)

Abstract

Three new Brazilian species of the zodariid genus Cybaeodamus Mello-Leitão, 1938 are described: C. ampullatus sp. nov. (♂♀), C. spinosissimus sp. nov. (♂) and C. malkini sp. nov. (♂). Descriptions are accompanied with high-quality illustrations and microphotographs. An updated distribution map and a key to all the species in the genus are presented. The morphological diagnostic characters of the genus are discussed.

Henrard, A., Jocqué, R., & Carvalho, L. S. (2025). Three new Cybaeodamus Mello-Leitão, 1938 species from Brazil (Araneae, Zodariidae). European Journal of Taxonomy1004(1), 92–119. https://doi.org/10.5852/ejt.2025.1004.2965