RNA-seq of worker antennae of honeybees (Apis mellifera) with a dsx stop/stop mutation
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1125437 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR29460235.fastq.gz | Fastqsanger.gz | |||
| SRR29460236.fastq.gz | Fastqsanger.gz | |||
| SRR29460237.fastq.gz | Fastqsanger.gz | |||
| SRR29460238.fastq.gz | Fastqsanger.gz | |||
| SRR29460239.fastq.gz | Fastqsanger.gz |
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Project description:Transcriptional profiling of the antennae of adult honeybee workers with a dsx stop/stop mutation and wild-type workers was performed by RNA-Seq. Gene expression of the dsx stop/stop and wild type female workers was compared.
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Project description:Olfaction system plays a fundamental role in mediating insect behavior. Besides, the division of queen, worker and drone, honeybee also exhibit an age-dependent division of labor. Worker bees perform discrete sets of behaviors throughout their lifespan. These behavioral states rely on the sense of the environments and chemical communications via their olfactory system - antennae. However, the olfactory adaption mechanism of workers in these processes of behavioral development is still unclear. In this study, we conducted a comprehensive and quantitative analysis of gene expression in Apis mellifera antenna of newly emerged workers, nurses, foragers, and defenders using RNA-seq. We found that antennae tissues continue to develop after transformation from pupae to adult. Additionally, we identified both developmental and labor-division specific expressed genes. We validated the unexpected discovery of major royal jelly protein genes, which are highly and specifically expressed in nurse honeybee workers. We further identified and validated that significant alternative splicing events are also involved in the development and division of labor. These findings provided a comprehensive transcriptome profile and new perspective into the molecular mechanism underlying honeybee division of labor.
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Project description:Transcriptome analysis of Apis mellifera antennae reveals molecular divergence underlying the division of labor in worker bees
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Project description:Queens were exposed to low doses pyriproxyfen (QueenBoost, which has been previously found to increase egg hatching rates and attentiveness of worker progeny to the queen) orally within queen monitoring cages. After treatment, queens were sampled to obtain proteomics data for hemolymph and mature oocytes (dissected from the ovaries), and workers were sampled to obtain pooled samples of antennae, hypopharangeal glands, and hemolymph. Data from worker antennae and hypopharangeal gland samples were acquired from a single plate, data from worker and queen hemolymph samples were acquired from a second plate, and oocyte data were acquired at a later date from a third plate. All samples were randomized within plates. The hemolymph, antennae, and hypopharangeal gland data were searched together (report_JF-all-tissues file) and the oocyte data were searched separately (report_JF-oocytes file). Data were all searched library-free using DIA-NN with default parameters except "unrelated runs" and "MBR" were selected, the neural network classifier was set to "double-pass mode", and protein inference was set to "protein names from FASTA".
2024-07-31 | MSV000095498 | MassIVE
Project description:This experiment examines differences in gene expression between wildtype and an experimental strain (anarchistic) of worker honey bees (Apis mellifera). Mature wildtype and anarchistic workers tend to have non-active and active ovaries, respectively. Thus young workers from these strains are expected to show differential expression at loci involved in the regulation of worker reproduction, which occurs via arrhenotokous parthenogenesis.
2008-07-11 | E-MEXP-1552 | biostudies-arrayexpress
Project description:In honey bees (Apis mellifera) the behaviorally and reproductively distinct queen and worker female castes derive from the same genome as a result of differential intake of royal jelly and are implemented in concert with DNA methylation. To determine if these very different diet-controlled phenotypes correlate with unique brain methylomes, we conducted a study to determine the methyl cytosine (mC) distribution in the brains of queens and workers at single-base-pair resolution using shotgun bisulfite sequencing technology. The whole-genome sequencing was validated by deep 454 sequencing of selected amplicons representing eight methylated genes. We found that nearly all mCs are located in CpG dinucleotides in the exons of 5,854 genes showing greater sequence conservation than non-methylated genes. Over 550 genes show significant methylation differences between queens and workers, revealing the intricate dynamics of methylation patterns. The distinctiveness of the differentially methylated genes is underscored by their intermediate CpG densities relative to drastically CpG-depleted methylated genes and to CpG-richer non-methylated genes. We find a strong correlation between methylation patterns and splicing sites including those that have the potential to generate alternative exons. We validate our genome-wide analyses by a detailed examination of two transcript variants encoded by one of the differentially methylated genes. The link between methylation and splicing is further supported by the differential methylation of genes belonging to the histone gene family. We propose that modulation of alternative splicing is one mechanism by which DNA methylation could be linked to gene regulation in the honey bee. Our study describes a level of molecular diversity previously unknown in honey bees that might be important for generating phenotypic flexibility not only during development but also in the adult post-mitotic brain. This study looked at the DNA methylation levels of queen and worker honeybees
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Project description:The Varroa mite represents the main threat of honey bees (Apis mellifera). Bees from some colonies can limit the proliferation of this parasite by detecting and removing parasitized brood, such behavior is defined as Varroa sensitive Hygiene (VSH). This is an important issue for selecting colonies that can survive Varroa outbreaks. We therefore study the molecular meachnisms underlying this behavior by comparing the antennae transcriptomic profile of VSH and non-VSH bees. Those profiles were further compared to to the profiles of nurses and forager profiles involved in brood care and food collection, respectively.
2017-02-09 | GSE63613 | GEO
Project description:Queen discrimination behavior in the red imported fire ant Solenopsis invicta maintains its two types of societies: colonies with one (monogyne) or many (polygyne) queens, yet the underlying genetic mechanism is poorly understood. This behavior is controlled by two supergene alleles, SB and Sb, with ~600 genes. Polygyne workers, having either the SB/SB or SB/Sb genotype, accept additional SB/Sb queens into their colonies but kill SB/SB queens. While monogyne workers, all SB/SB, reject all additional queens regardless of genotype. Because the SB and Sb alleles do not recombine, it is difficult to determine which genes within the supergene mediate this differential worker behavior. We hypothesized that the alternate worker genotypes sense queens differently because of different patterns of gene expression in their main sensory organ, the antennae. To identify such differentially expressed genes, we sequenced RNA from four biological replicates of pooled antennae from three groups of workers: monogyne SB/SB, polygyne SB/SB, and polygyne SB/Sb. We identified 81 differentially expressed protein coding genes with 14 encoding potential odor metabolism and perception proteins. We focused on the two differentially expressed odorant perception genes: an odorant binding protein SiOBP12 and an odorant receptor SiOR463. We found that the SiOR463 was lost in the Sb-genome. In contrast, the SiOBP12 has an Sb-specific duplication SiOBP12b’, which was expressed in the SB/Sb worker antennae, while both paralogs SiOBP12 and SiOBP12b’ were expressed in the body. This result indicates that SiOBP12b’ has gained an antennal promoter or enhancer and suggests neofunctionalization, perhaps for queen discrimination behavior.
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Project description:Queen discrimination behavior in the red imported fire ant Solenopsis invicta maintains its two types of societies: colonies with one (monogyne) or many (polygyne) queens, yet the underlying genetic mechanism is poorly understood. This behavior is controlled by two supergene alleles, SB and Sb, with ~600 genes. Polygyne workers, having either the SB/SB or SB/Sb genotype, accept additional SB/Sb queens into their colonies but kill SB/SB queens. While monogyne workers, all SB/SB, reject all additional queens regardless of genotype. Because the SB and Sb alleles do not recombine, it is difficult to determine which genes within the supergene mediate this differential worker behavior. We hypothesized that the alternate worker genotypes sense queens differently because of different patterns of gene expression in their main sensory organ, the antennae. To identify such differentially expressed genes, we sequenced RNA from four biological replicates of pooled antennae from three groups of workers: monogyne SB/SB, polygyne SB/SB, and polygyne SB/Sb. We identified 81 differentially expressed protein coding genes with 14 encoding potential odor metabolism and perception proteins. We focused on the two differentially expressed odorant perception genes: an odorant binding protein SiOBP12 and an odorant receptor SiOR463. We found that the SiOR463 was lost in the Sb-genome. In contrast, the SiOBP12 has an Sb-specific duplication SiOBP12b’, which was expressed in the SB/Sb worker antennae, while both paralogs SiOBP12 and SiOBP12b’ were expressed in the body. This result indicates that SiOBP12b’ has gained an antennal promoter or enhancer and suggests neofunctionalization, perhaps for queen discrimination behavior.
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