Wenhao Yin , Yongming You , Luke R. Tembrock , Mengmeng Zhang , Zhi Li , Yulin Zheng , Yu Zhao , Zizhong Yang
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引用次数: 0
Abstract
Neoscona shillongensis (Araneidae), also known as the Shillong orb-weaving spider, is a species that constructs a typically shaped round web, is inactive during the daytime and comes out at dusk to forage, primarily preying on flying insects such as mosquitoes, flies, and moths. This spider serves as an important natural enemy of agricultural and forest pests. Neoscona shillongensis primarily uses its web to capture prey, but its venom also plays a crucial role in subduing and processing prey. To date, no research has been conducted on the composition of N. shillongensis venom. In This study, conducted high-throughput sequencing on the venom gland transcriptome and the venom gland extract proteome. A cDNA library of the venom gland tissue of N. shillongensis was constructed, yielding over 62 million reads, which were assembled into 90,481 sequences, predicting 171 toxin-like sequences, including 94 peptide toxins and 77 protein toxins. Furthermore, proteomic analyses of the venom gland extract samples identified 53 peptides and proteins, including 23 peptide toxins and 30 enzymes or proteins such as acetylcholinesterase, hyaluronidase, and astacin-like metalloproteases. The results revealed that the toxin composition of N. shillongensis is diverse and complex. This study provides essential baseline data for further research on the evolution and physiological activity of spider venom, as well as the potential development of pharmaceutical compounds therefrom.
期刊介绍:
This international journal publishes original contributions and mini-reviews in the fields of insect biochemistry and insect molecular biology. Main areas of interest are neurochemistry, hormone and pheromone biochemistry, enzymes and metabolism, hormone action and gene regulation, gene characterization and structure, pharmacology, immunology and cell and tissue culture. Papers on the biochemistry and molecular biology of other groups of arthropods are published if of general interest to the readership. Technique papers will be considered for publication if they significantly advance the field of insect biochemistry and molecular biology in the opinion of the Editors and Editorial Board.