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ABSTRACT: Honey bee gut virome

PROVIDER: PRJNA599270 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	SRR10838797_1.fastq.gz	Fastqsanger.gz
	SRR10838797_2.fastq.gz	Fastqsanger.gz
	SRR10838798_1.fastq.gz	Fastqsanger.gz
	SRR10838798_2.fastq.gz	Fastqsanger.gz

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Project description:Honey bee virome

| PRJNA943204 | ENA

Abundant small RNAs in the reproductive tissues of the honey bee, Apis mellifera, are a plausible mechanism for epigenetic inheritance and parental manipulation of gene expression

Project description:Here we present the first characterisation of small RNAs in honey bee reproductive tissues. We conclude that small RNAs are likely to play an integral role in honey bee gametogenesis and reproduction and provide a plausible mechanism for parent-of origin-effects on gene expression and reproductive physiology. present in honey bee reproductive tissues: ovaries, spermatheca, semen, fertilised and unfertilised eggs, and testes.

2022-04-13 | GSE182720 | GEO

The IRE1 Pathway Regulates Honey Bee Unfolded Protein Response Gene Expression

Project description:Our molecular understanding of honey bee cellular stress responses is incomplete. Previously, we sought to identify and began functional characterization of the components of the UPR in honey bees. We observed that UPR stimulation resulted in induction of target genes upon and IRE1 pathway activation, as assessed by splicing of Xbp1 mRNA. However, were not able to determine the relative role of the various UPR pathways in gene activation. Our understanding of honey bee signal transduction and transcriptional regulation has been hampered by a lack of tools. After using RNAseq to expand the known UPR targets in the bee, we use the Drosophila melanogaster S2 cell line and honey bee trans and cis elements to investigate the role of the IRE-1 pathway in the transcriptional activation of one of these targets, the honey bee Hsc70-3 gene. Using a luciferase reporter, we show that honey bee hsc70 promoter activity is inducible by UPR activation. In addition, we show that this activation is IRE1-dependent and relies on specific cis regulatory elements. Experiments using exogenous honey bee or fruit fly XBP1S proteins demonstrate that both factors can activate the Hsc70-3 promoter and further support a role for the IRE-1 pathway in control of its expression in the honey bee. By providing foundational knowledge about the UPR in the honey bee and demonstrating the usefulness of a heterologous cell line for molecular characterization of honey bee pathways, this work stands to improve our understanding of this critical species.

2020-03-28 | GSE139368 | GEO

Single-cell dissection of aggression in honeybee colonies

Project description:RNA-Sequencing performed on 177 honey bee whole-brains, divided into "soldier" and "forager" groups from Puerto Rican honey bee colonies.

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Trancriptome analysis of honey bees (Apis mellifera) infected with Nosema ceranae

Project description:The microsporidia Nosema ceranae are intracellular parasites that proliferate in the midgut epithelial cells of honey bees (Apis mellifera). To analyze the pathological effects of those microsporidia, we orally infected honey bee workers 7 days after their emergence. Bees were flash frozen 15 days after the infection. Then, the effects on the gut ventriculi were analyzed and compared to non-infected (control) bees.

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Intronic Non-CG DNA Hydroxymethylation and Alternative mRNA Splicing in Honey Bees

Project description:Honey bee non-CG DNA hydroxymethylation is enriched in the introns, which supplements previous findings that honey bee CG DNA methylation is enriched in exons.

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The habitat disruption induces immune-suppression and oxidative stress in honey bees

Project description:Background: Honey bee is a major insect used for pollination of a number of commercial crops worldwide. However, the number of managed honey bee colonies has recently declined in several countries, and a number of possible causes are proposed. Although the use of honey bees for pollination can be considered as disruption of the habitat, its effects on honey bees' physiology have never been addressed. In Japan, more than 100 thousands colonies are annually used for pollination, and intriguingly 80% of them are used in greenhouses. Recently, honey bee colonies have often collapsed when they are introduced into greenhouses. Thus, to suppress colony collapses and maintain the number of worker bees in the colonies are essential for successful long-term pollination in greenhouses and recycling honey bee colonies.

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Brain transcriptomics of honey bee parasitized by Varroa destructor or Nosema ceranae

Project description:In this study we addressed whether the transcriptome profile in the honey bee brain is similar for two major parasites of honey bee, Varroa destructor and Nosema ceranae. Honey bees parasitized by these two parasites show accelerated behavioral maturation and deficiences in orientation and learning/memory that we hoped to characterized at the transcriptomic level.

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Trancriptome analysis of honey bees (Apis mellifera) infected with Nosema ceranae

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Project description:The present study is the first study to identify the involvement of mRNA, lncRNAs, circRNAs and miRNA in the ovary of honey-bee workers.We predicted 10271 mRNAs, 7235 lncRNAs, 11794 circRNAs and 164 miRNAs in the ovary of honey bee workers.

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