Transcriptome-based analyses reveal venom diversity in two araneomorph spiders, Psechrus triangulus and Hippasa lycosina.
Comp Biochem Physiol Part D Genomics Proteomics
; 47: 101101, 2023 09.
Article
in En
| MEDLINE
| ID: mdl-37352672
ABSTRACT
The spiders Psechrus triangulus and Hippasa lycosina are widely distributed in Yunnan Province, China, and are important natural enemies of agricultural pests, yet studies regarding the composition of their venom are lacking. In this study, cDNA libraries were constructed from venom gland tissue of P. triangulus and H. lycosina and used for transcriptomic analysis. From the analysis, 39 and 31 toxin-like sequences were predicted for P. triangulus and H. lycosina, respectively. The predicted neurotoxin sequences were categorized according to cysteine sequence motifs, and the predicted neurotoxin sequences of P. triangulus and H. lycosina could be classified into 9 and 6 toxin families, respectively. In addition, potential acetylcholinesterase, hyaluronidase, and astaxanthin-like metalloproteinases were identified through annotation. In summary, transcriptomic techniques were invaluable in mining the gene expression information from these two spider species to explore the toxin composition of their venom and determine how they differ. Studies of this type provide essential baseline data for studying the evolution and physiological activities of spider toxins and for the potential development of medicinal compounds.
Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Spider Venoms
/
Transcriptome
Type of study:
Prognostic_studies
Limits:
Animals
Country/Region as subject:
Asia
Language:
En
Journal:
Comp Biochem Physiol Part D Genomics Proteomics
Journal subject:
BIOLOGIA
/
GENETICA
Year:
2023
Document type:
Article
Affiliation country: