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Spodoptera frugiperda

ABSTRACT: Comparative transcriptomic profiling of virgin and mated female moths of invasive fall armyworm, Spodoptera frugiperda

PROVIDER: PRJNA977560 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR24768171_1.fastq.gz	Fastqsanger.gz
	SRR24768171_2.fastq.gz	Fastqsanger.gz
	SRR24768172_1.fastq.gz	Fastqsanger.gz
	SRR24768172_2.fastq.gz	Fastqsanger.gz
	SRR24768173_1.fastq.gz	Fastqsanger.gz

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Identification of differentially expressed miRNAs associated with diamide detoxification pathways in Spodoptera frugiperda

Project description:The fall armyworm (FAW) Spodoptera frugiperda is one of the most severe economic pests of multiple crops globally. Control of this pest is often achieved using insecticides; however, over time, S. frugiperda has developed resistance to new mode of action compounds, including diamides. Previous studies have indicated diamide resistance is a complex developmental process involving multiple detoxification genes. Still, the mechanism underlying the possible involvement of microRNAs in post-transcriptional regulation of resistance has not yet been elucidated. In this study, a global screen of microRNAs (miRNAs) revealed 109 known and 63 novel miRNAs. Nine miRNAs (four known and five novel) were differentially expressed between insecticide-resistant and -susceptible strains. Gene Ontology analysis predicted putative target transcripts of the differentially expressed miRNAs encoding significant genes belonging to detoxification pathways. Additionally, miRNAs are involved in response to diamide exposure, indicating they are probably associated with the detoxification pathway. Thus, this study provides comprehensive evidence for the link between repressed miRNA expression and induced target transcripts that possibly mediate diamide resistance through post-transcriptional regulation. These findings highlight important clues for further research to unravel the roles and mechanisms of miRNAs in conferring diamide resistance.

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RNA-Sequencing of 3rd-instar Spodoptera frugiperda post-infection with Spodoptera frugiperda ascovirus-1a (SfAV-1a), the ascovirus type species.

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Project description:The histone 3 lysine 9 acetylation (H3K9ac) is an epigenetic marker widely distributed in plant genome, which could eThe histone 3 lysine 9 acetylation (H3K9ac) is an epigenetic marker widely distributed in plant genome, which could enhance gene transcription involved in stress-responsive gene expression. The physiological and molecular mechanisms underlying plant responses to insects are being increasingly studied, while epigenetic modifications such as histone acetylation and their potential regulation at the genomic level of transcription of hidden genes in plants damaged by insects remain largely unknown. In current study, we provided the genome-wide profiles of H3K9ac in rice (Oryza sativa) infested by fall armyworm (Spodoptera frugiperda, FAW) using chromatin immunoprecipitation sequencing (ChIP-Seq) and RNA sequencing (RNA-seq). RNA-seq data revealed that 3269 and 4609 genes were up-regulated at 3 h and 12 h after infestation with FAW, respectively. ChIP-Seq analysis revealed 1617 and 2617 genes modified by H3K9ac in rice infested with FAW at 3 h and 12 h, respectively, and H3K9ac was mainly enriched in the transcription start sites of genes.

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Project description:Comparison of the effects of 2 polydnaviruses (HdIV vs MdBV) injection on L5 Spodoptera frugiperda larvae hemocytes transcriptome.

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Effect of HdIV or MdBV injection on the Spodoptera frugiperda hemocyte and fat body transcriptomes

Project description:This SuperSeries is composed of the following subset Series: GSE16775: Effect of HdIV or MdBV injection on the Spodoptera frugiperda hemocyte transcriptome GSE16776: Effect of HdIV or MdBV injection on the Spodoptera frugiperda fat body transcriptome Refer to individual Series

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Effect of HdIV or MdBV injection on the Spodoptera frugiperda fat body transcriptome

Project description:Comparison of the effects of 2 polydnaviruses (HdIV vs MdBV) injection on L5 Spodoptera frugiperda larvae fat body transcriptome.

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