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ABSTRACT: transcriptome of venom glands of female adult Asobara japonica

PROVIDER: PRJNA1206545 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR31894463_1.fastq.gz	Fastqsanger.gz
	SRR31894463_2.fastq.gz	Fastqsanger.gz
	SRR31894464_1.fastq.gz	Fastqsanger.gz
	SRR31894464_2.fastq.gz	Fastqsanger.gz
	SRR31894465_1.fastq.gz	Fastqsanger.gz

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Asobara japonica

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A snapshot of Bothrops jararaca snake venom gland subcellular proteome

Project description:The synthesis of snake venom proteins is subjected to finely regulated processes in the specialized secretory epithelium within the venom gland. Such processes occur within a defined time frame in the cell and at specific cellular locations. Thus, the determination of subcellular proteomes allows the characterization of protein groups for which the site may be relevant to their biological roles, thereby allowing the deconvolution of complex biological circuits into functional information. In the case of snake venom glands, subcellular proteome analysis could help understand the molecular basis of venom variability. Consequently, knowing the functional implications of such phenotypic plasticity could prove relevant in envenoming treatment and biological research. In this regard, we performed subcellular fractionation of proteins from B. jararaca snake venom gland, focusing on nuclear proteins since this cellular compartment comprises key effectors that shape gene expression. Our results provided a snapshot of B. jararaca's subcellular venom gland proteome. They pointed to a 'conserved' proteome core among different life stages (newborn and adult) and between genders (adult male and female).

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Venom gland transcriptome and venom proteome of the Tibellus oblongus spider unveil molecular diversity of polypeptide toxins

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Project description:Asobara japonica RNA-seq

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Project description:Parasitoid wasps of the species Diachasmimorpha longicaudata are associated with a heritable poxvirus, known as DlEPV, that is stored in the venom gland of adult female wasps and transferred to tephritid fly hosts of the wasps during oviposition. We conducted a RNA-seq differential expression analysis to gain insight on how DlEPV can replicate in both wasps and their fly hosts but only cause pathogenic effects during replication in flies. Our analysis revealed that 91.2% (176 of 193) of DlEPV genes showed significant differential expression during peak virus replication in wasp venom glands compared to parasitized flies. Over 80% of DlEPV replication genes were significantly upregulated in wasps, while 79% of DlEPV putative virulence genes were significantly upregulated in fly hosts. These data therefore support a dichotomy of viral function, where virus replication is promoted in wasp tissue and virulence in host tissue. Such a division of viral activity could represent an important adaptation to maintain a stable symbiosis between this virus and its associated parasitoid.

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Project description:Diachasmimorpha longicaudata parasitoid wasps carry a symbiotic poxvirus, known as DlEPV, within the female wasp venom gland. We sequenced RNA from venom gland tissue to identify DlEPV orthologs for 3 conserved poxvirus core genes. The DlEPV ORFs identified from this transcriptome were used to design primers for downstream RT-qPCR analysis and RNAi knockdown experiments.

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Mass spectrometry analysis of venom gland components of the parasitoid wasp Asobara japonica

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Asobara japonica strain:Tokyo

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Project description:Transcriptome of different developmental stages of Asobara japonica

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