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Comparison of Apis mellifera workers and queens brain development at fourth instar larvae

ABSTRACT: 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.

ORGANISM(S): Apis mellifera

SUBMITTER: Joseana Vieira

PROVIDER: E-GEOD-39239 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Comparison of Apis mellifera workers and queens brain development at fourth instar larvae

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

Comparison of Apis mellifera workers and queens hind leg development at prepupal stages

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. Among the specialized structures in workers the hind tibia forms the corbicula or the pollen basket, a smooth region surrounded by a row of a long scopal hairs, used for carrying pollen and other materials to the nest. This morphological trait and the respective behaviour are absent in queens. Herein we show details of the initial steps of hind legs morphogenesis in honeybee castes. Using results from the hybridization of whole genome-based oligonucleotide arrays with RNA samples from hind leg imaginal discs of pre-pupa honeybees of both castes we present a list of differentially expressed genes. Analysis used one dye-swap combination to compare workers and queens hind leg development at prepupal stages when juvenile hormone titers is much higher in queens

2012-02-15 | E-GEOD-34293 | biostudies-arrayexpress

Apis mellifera

Project description:Comparison of Apis mellifera workers and queens brain development at fourth instar larvae

| PRJNA170762 | ENA

Comparison of Apis mellifera workers and queens hind leg development at prepupal stages

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. Among the specialized structures in workers the hind tibia forms the corbicula or the pollen basket, a smooth region surrounded by a row of a long scopal hairs, used for carrying pollen and other materials to the nest. This morphological trait and the respective behaviour are absent in queens. Herein we show details of the initial steps of hind legs morphogenesis in honeybee castes. Using results from the hybridization of whole genome-based oligonucleotide arrays with RNA samples from hind leg imaginal discs of pre-pupa honeybees of both castes we present a list of differentially expressed genes.

2012-02-15 | GSE34293 | GEO

Biased gene expression in early honeybee larval development (sequencing)

Project description:Female larvae of the honeybee (Apis mellifera) develop into either queens or workers depending on nutrition during larval development. This nutritional stimulus triggers different developmental trajectories, resulting in adults that differ in physiology, behaviour and life-span. To understand how these developmental trajectories are established we have undertaken a comprehensive analysis of differential gene expression throughout larval development.

2013-11-13 | GSE52289 | GEO

Biased gene expression in early honeybee larval development (microarray)

2013-11-13 | GSE52288 | GEO

Biased gene expression in early honeybee larval development (sequencing)

2013-11-13 | E-GEOD-52289 | biostudies-arrayexpress

Expression differences between worker(female) and drone(male) honey bee antennae

Project description:We have identified a honeybee (Apis mellifera) odorant receptor (Or) for the queen substance 9-oxo-2-decenoic acid (9-ODA) from four candidate sex pheromone odorant receptors from the honeybee genome based on their biased expression in drone antennae. Keywords: Tissue Comparison

2007-08-09 | GSE8519 | GEO

m6A methylome analysis reveals that m6A marks function in larval development and caste differentiation in honeybee (Apis mellifera)

Project description:Epigenetic modifications are known to profoundly affect the development and behavior of social insects. In the well-known caste differentiation process of honeybee (Apis mellifera), female larvae with identical genomes are fed royal jellydifferently and develop into either normal workers or into very large, long-lived, and extremely fecund queens, and the queen-worker asymmetry of honeybee is known to be result largely to differential genomic imprinting during larval development that involves DNA methylation-based regulation. The discovery of reversible N6-methyladenosine (m6A) RNA methylation modification has defined a new era for RNA-metabolism-related genetic regulation, yet much remains unknown about m6A-mediated post-transcriptional regulatory mechanisms. Here, we report the first honeybee RNA m6A methylome. Specifically, we used the m6A-seq technique to examine the RNA m6A methylomes of honeybee larvae, including queen and worker larvae at multiple instar stages. We identified multiple conserved features of m6A methylation machinery and transcriptome-wide m6A distribution trends among insect species, and observed that m6A marks exert functions in regulating caste differentiation, with apparently particularly strong functional impacts on fifth instar worker larvae. Functional annotation of differentially methylated candidate caste-differentiation-related transcripts revealed many known regulators of caste differentiation (e.g. ILP-2, p110, PI3K, and JHAMT etc.) as well as the widely-studied Vitellogenin gene, which has not previously been implicated in caste differentiation. As ever-more regulatory roles for m6A marks are discovered, honeybees may become an excellent model studying the biology of such epi-transcriptomic regulatory systems, from embryonic development through holometabolous caste-specific development and on towards behavior and the emergent social hierarchies underlying eusociality in animals.

2020-12-13 | GSE137000 | GEO

Honeybee brain neuropeptides LC-MSMS

Project description:To explore brain neuropeptidic functions in behavioral regulation, a label-free quantitative strategy was employed to compare neuropeptidomic variations between behavioral phenotypes (nurse bees, nectar foragers, and pollen foragers) and the two honeybee species (Apis mellifera ligustica and Apis cerana cerana).

2021-09-09 | PXD018713 | Pride

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