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DOI | 10.1016/j.ibmb.2013.12.008 |
Identification, functional characterization and phylogenetic analysis of double stranded RNA degrading enzymes present in the gut of the desert locust, Schistocerca gregaria | |
Wynant, Niels; Santos, Dulce; Verdonck, Rik; Spit, Jornt; Van Wielendaele, Pieter; Vanden Broeck, Jozef | |
通讯作者 | Wynant, Niels |
来源期刊 | INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY
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ISSN | 0965-1748 |
EISSN | 1879-0240 |
出版年 | 2014 |
卷号 | 46页码:1-8 |
英文摘要 | RNA interference (RNAi) has become a widely used reverse genetics tool in eukaryotes and holds great potential to contribute to the development of novel strategies for insect pest control. While previous studies clearly demonstrated that injection of dsRNA into the body cavity of the desert locust, Schistocerca gregaria, is highly effective to induce gene silencing effects, we observed that the RNAi response is much less sensitive to orally delivered dsRNA. In line with this, we report on the presence of a potent dsRNA degrading activity in the midgut juice. Four different dsRNase sequences that belong to the DNA/RNA Non-specific Nuclease superfamily were retrieved from a transcriptome database of the desert locust. Surprisingly, we have found that, in the publicly available eukaryote nucleotide sequence databases, the presence of this group of enzymes is restricted to insects and crustaceans. Nonetheless, phylogenetic analyses predict a common origin of these enzymes with the Endonuclease G (EndoG) Non-specific Nucleases that display a widespread taxonomic distribution. Moreover, in contrast to the Sg-endoG transcript, the four Sg-dsRNase transcripts appear to be specifically expressed in the gut. Finally, by means of RNAi, we provide evidence for an important contribution of dsRNase2 to the dsRNA degrading activity that is present in the gut lumen of S. gregaria. (C) 2014 Elsevier Ltd. All rights reserved. |
英文关键词 | Digestion dsRNA dsRNase Endonuclease G (endoG) Insect Nuclease RNA interference (RNAi) White spot syndrome virus |
类型 | Article |
语种 | 英语 |
国家 | Belgium |
收录类别 | SCI-E |
WOS记录号 | WOS:000333001800001 |
WOS关键词 | INTERFERENCE ; GENES ; INGESTION ; SILKWORM ; VIRUS |
WOS类目 | Biochemistry & Molecular Biology ; Entomology |
WOS研究方向 | Biochemistry & Molecular Biology ; Entomology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/182618 |
作者单位 | Katholieke Univ Leuven, Mol Dev Physiol & Signal Transduct, B-3000 Louvain, Belgium |
推荐引用方式 GB/T 7714 | Wynant, Niels,Santos, Dulce,Verdonck, Rik,et al. Identification, functional characterization and phylogenetic analysis of double stranded RNA degrading enzymes present in the gut of the desert locust, Schistocerca gregaria[J],2014,46:1-8. |
APA | Wynant, Niels,Santos, Dulce,Verdonck, Rik,Spit, Jornt,Van Wielendaele, Pieter,&Vanden Broeck, Jozef.(2014).Identification, functional characterization and phylogenetic analysis of double stranded RNA degrading enzymes present in the gut of the desert locust, Schistocerca gregaria.INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY,46,1-8. |
MLA | Wynant, Niels,et al."Identification, functional characterization and phylogenetic analysis of double stranded RNA degrading enzymes present in the gut of the desert locust, Schistocerca gregaria".INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 46(2014):1-8. |
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