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Discovery of toxin-encoding genes from the false viper Macropisthodon rudis, a rear-fanged snake, by transcriptome analysis of venom gland

Author:
Zhang, Zhixiao, Zhang, Xi, Hu, Tingsong, Zhou, Weiguo, Cui, Qinghua, Tian, Jing, Zheng, Ying, Fan, Quanshui
Source:
Toxicon 2015 v.106 pp. 72-78
ISSN:
0041-0101
Subject:
bioactive properties, databases, genes, high-throughput nucleotide sequencing, humans, metalloproteinases, snakes, toxins, transcriptome, transcriptomics, venoms, China
Abstract:
Although rear-fanged snakes are often considered as non-threatening to humans, some species are lethal or medically hazardous. The toxin components and bioactivities of front-fanged snakes have been extensively studied; however, only limited research has explored the venoms of rear-fanged snakes. The false viper, Macropisthodon rudis, is widespread in southern China, but little is known about the toxins that this snake produces. Here, we analyzed the transcriptome of the venom gland of M. rudis using high-throughput sequencing with an illumina HiSeq 2000. The raw data were assembled and annotated using public databases. The Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways and gene ontology (GO) were analyzed. Using sequence comparisons, snake venom metalloproteinases (SVMPs) and a phosphodiesterase (PDE) were discovered in the venom gland of M. rudis.
Agid:
5451278