Ontology highlight
ABSTRACT:
PROVIDER: PRJNA814736 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR18305968_1.fastq.gz | Fastqsanger.gz | |||
| SRR18305968_2.fastq.gz | Fastqsanger.gz | |||
| SRR18305969_1.fastq.gz | Fastqsanger.gz | |||
| SRR18305969_2.fastq.gz | Fastqsanger.gz | |||
| SRR18305970_1.fastq.gz | Fastqsanger.gz |
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Project description:Honeybee (Apis mellifera) brain transcriptome
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Project description:In Apis mellifera, the female eggs can develop into workers or queen depending on the diet offered during early development. The outputs of the developed honeybee females are two morphs with particular morphological traits and related physiology. The differential feeding regime experienced by the queen and the worker larvae of the honeybee Apis mellifera shapes a complex endocrine response cascade that ultimately sets up differences in brain morphologies. Herein we report on aspects of brain morphogenesis during larval development and the brain gene expression signature of fourth instar larvae (L4) of both castes, a developmental stage characterized by the greatest differences in juvenile hormone (JH) titers between castes Using results from the hybridization of whole genome-based oligonucleotide arrays with RNA samples from brain of fourth instar larvae honeybees of both castes we present a list of differentially expressed genes. Analysis used one dye-swap combination to compare workers and queens brain development at fourth instar larvae when juvenile hormone titers is higher in queens.
2012-12-31 | E-GEOD-39239 | biostudies-arrayexpress
Project description:In Apis mellifera, the female eggs can develop into workers or queen depending on the diet offered during early development. The outputs of the developed honeybee females are two morphs with particular morphological traits and related physiology. The differential feeding regime experienced by the queen and the worker larvae of the honeybee Apis mellifera shapes a complex endocrine response cascade that ultimately sets up differences in brain morphologies. Herein we report on aspects of brain morphogenesis during larval development and the brain gene expression signature of fourth instar larvae (L4) of both castes, a developmental stage characterized by the greatest differences in juvenile hormone (JH) titers between castes Using results from the hybridization of whole genome-based oligonucleotide arrays with RNA samples from brain of fourth instar larvae honeybees of both castes we present a list of differentially expressed genes.
2012-12-31 | GSE39239 | GEO
Project description:The honeybee brain is comprised of a nervous system that sufficiently regulates this life transition. Knowledge about how protein phosphorylation functions in regards to the neurobiological activities in the honeybee brain to drive the age-specific labor division is still lacking. Protein phosphorylation, the most common post-translational modification (PTM), is a key switch for rapid on-off control of signaling cascades that regulate cell differentiation and development, enzyme activity and metabolic maintenance in living cells. A fundamental mechanism for regulating signaling network and protein activity is the covalent PTM of serine (Ser), threonine (Thr), and tyrosine (Tyr) residues with phosphate. Fortunately, because of advances in phosphopeptide enrichment and improvements in mass spectrometry (MS) instrumentation and methods, phosphoproteomics has enabled large-scale identification of protein phosphorylation sites and phosphorylation networks in biological samples. Although the proteome has been mapped in the brain of nurse and forager bees, knowledge about age-specific effects of phosphorylation regulation on proteins in the honeybee brain is still lacking. Moreover, information in regards to the honeybee phosphoproteome is also very limited. Only very recently, in-depth phosphoproteomics analyses of protein phosphorylation networks in the hypopharyngealgland of the honeybee have been reported. Although the phosphoproteome analyses during the development of brood and salivary glands has been reported, only very limited proteins were phosphorylated and phosphorylation sites of those phosphoproteins were not assigned. Therefore, a comprehensive characterization of phosphoproteomics and changes in the brains of nurse and forager bees is key to understand the phosphorylation events underlying age-specific physiology to achieve the completion of biological missions in this well-organized social community of the honeybee. Honeybee (A. m. ligustica) colonies used for sampling were raised at the apiary of the Institute of Apicultural Research, Chinese Academy of Agricultural Science, Beijing. Newly emerged (<12 h after emergence) worker bees were marked on their thoraxes and placed back into the colonies to develop and then the marked nurse and forager bees were collected on days 10 and 20, respectively. There were 150 bees sampled from each of the five colonies which have queens at the same age. In brief, for each time point, worker bees were sampled from five colonies, and pooled all samples for further analysis. This procedure was repeated three times, so that we finally ended up with three independent biological replicates per time point, each consisting of 150 honeybees. Then their brains were dissected, and the brain samples were pooled and stored at −80 °C for further analysis. All the colonies were managed with almost identical population, food, and brood during the nectar flow of chaste berry (Vitexnegundo L.) in June.
2018-10-26 | PXD003757 | Pride
Project description:Increasing evidence suggests microRNAs (miRNAs) control levels of mRNA expression during development of the nervous system and during sensory elicited remodelling of the brain. We used an associative olfactory learning paradigm (proboscis extension response) in the honeybee Apis mellifera to detect gene expression changes in the brain. Transcriptome analysis of bees trained to associate an odor with a reward and control bees exposed to air without reward, helped us abstract mRNA-miRNA interactions for empirical testing. Functional studies, feeding cholesterol-conjugated antisense RNA to bees resulted in the inhibition of miR-210 and of miR-932 that is embedded within the neuroligin 2 (Nlg2) gene involved in synapse development. Loss of miR-932 prevents long-term memory formation but not learning. We validated 3M-bM-^@M-^YUTR target site interactions of miR-932 and show miR-932 dysregulates actin, a key cytoskeletal molecule involved in neuronal development and activity-dependent plasticity of the brain. The analysis used Air group (no odor learning) as control sample for comparison to two groups of odor-conditioned bees: linalool and floral mix.
2014-02-01 | E-GEOD-51795 | biostudies-arrayexpress