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Brain RNA-seq 120 days after worker-gamergate transitions in Harpegnathos ants

ABSTRACT: Harpegnathos workers were induced to transition to reproductive gamergates and 120 days later mRNA from their brains was sequenced to determine changes in gene expressioin

ORGANISM(S): Harpegnathos saltator

PROVIDER: GSE83798 | GEO | 2017/08/10

SECONDARY ACCESSION(S): PRJNA327090

REPOSITORIES: GEO

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Brain RNA-seq during the worker-gamergate transitions in Harpegnathos ants

Project description:Harpegnathos workers were induced to transition to reproductive gamergates and mRNA from their brains was sequenced to determine changes in gene expression at different time points (0, 6, 13, and 110 days after transition onset)

2017-08-10 | GSE83804 | GEO

ChIP-seq for Kr-h1 in Harpegnathos brains

Project description:We performed ChIP-seq with a new Kr-h1 antibody in the central brains of in established gamergates (day 120) and age-matched workers

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Project description:Antennal transcriptome profiling of Harpegnathos saltator workers and gamergates

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Whole body RNA-seq from developmental stages of Harpegnathos ants

Project description:RNA from Harpegnathos embryos, instar 1 larvae, instar 4 larvae, early pupae, late pupae, adult workers, and males was sequenced to look for gene expression changes throughout development.

2018-05-24 | GSE102604 | GEO

RNA sequencing of Harpegnathos saltator workers and gamergates' non-visual brains, ovaries, and fat bodies at 0, 3, and 10 days after initiation of the dueling tournament

Project description:Ant societies exhibit a division of labor in which a queen is in charge of reproduction while non-reproductive workers maintain the colony. In Harpegnathos saltator, workers retain reproductive ability, inhibited by the queen pheromones. Following the queen loss, the colony undergoes social unrest with an antenna dueling tournament. Most workers quickly abandon the tournament while a few workers continue the dueling for months and become gamergates (pseudoqueens). However, the temporal dynamics of the molecular mechanisms underlining the caste transition and social dominance remain unclear. To identify genetic factors responsible for this transition, we compared transcriptomes of ovary, fat body, and non-visual brains between dueling and non-dueling workers.

2021-02-01 | GSE162969 | GEO

RNA sequencing of Harpegnathos saltator workers's non-visual brains, ovaries, and fat bodies injected with juvenile hormone (JH) or ecdysone (Ec).

Project description:In ant Harpegnathos saltator, workers can become the reproductive gamergates in a queenless condition. During the worker-to-gamergate transition, juvenile hormone signaling decreases but ovarian ecdysone production increases in the gamergate. Injecting juvenile hormone analog (JHA or methoprene) induces expression of worker-biased genes in the brain , while ecydsone promotes expression of ecdysone-responsive genes in ovaries.

2021-05-28 | GSE175600 | GEO

Insulin signaling in the long-lived reproductive caste of ants

Project description:In most organisms, reproduction is correlated with shorter lifespan. However, the reproductive queen in eusocial insects exhibits much longer lifespan than workers. In Harpegnathos ants, when the queen dies, workers can undergo an adult caste switch to reproductive pseudo-queens (gamergates) exhibiting a 5X prolonged lifespan. To explore the relation between reproduction and longevity, we compared gene expression during caste switching. Insulin expression is increased in the gamergate brain that correlates with increased lipid synthesis and production of vitellogenin in the fat body, both transported to the egg. This results from activation of the mitogen-activated protein kinase (MAPK) branch of the insulin signaling pathway. In contrast, the production in the gamergate developing ovary of anti-insulin Imp-L2 leads to decreased signaling of the AKT/FOXO branch in the fat body, consistent with their extended longevity.

2022-07-27 | GSE209617 | GEO

Transcriptome sequencing and analysis of two ants: Camponotus floridanus and Harpegnathos saltator

Project description:Deep sequencing of mRNA from two Ants: Camponotus floridanus and Harpegnathos saltator Analysis of poly(A)+ RNA of different specimens: egg,larva,male,minor and major for Camponotus floridanus while egg,larva,male,worker and gammergate for Harpegnathos saltator

2010-08-26 | E-GEOD-22678 | biostudies-arrayexpress

High-throughput sequencing analyses of two ants: Camponotus floridanus and Harpegnathos saltator

Project description:This SuperSeries is composed of the following subset Series: GSE22678: Transcriptome sequencing and analysis of two ants: Camponotus floridanus and Harpegnathos saltator GSE22679: Small RNA sequencing and analysis of two ants: Camponotus floridanus and Harpegnathos saltator Refer to individual Series

2010-08-26 | E-GEOD-22680 | biostudies-arrayexpress

Small RNA sequencing and analysis of two ants: Camponotus floridanus and Harpegnathos saltator

Project description:Deep sequencing of small RNA from two Ants: Camponotus floridanus and Harpegnathos saltator Analysis of small RNA expression profile from different specimens: egg,larva,male,minor and major for Camponotus floridanus while egg,larva,male,worker and gammergate for Harpegnathos saltator

2010-08-26 | E-GEOD-22679 | biostudies-arrayexpress

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