ArticlePLoS genetics2019
Synergistic action of the transcription factors Krüppel homolog 1 and Hairy in juvenile hormone/Methoprene-tolerant-mediated gene-repression in the mosquito Aedes aegypti.
Article in PLoS genetics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed, 39 citations in OpenAlex.
- Genetic and Molecular Regulation of Ecdysone Biosynthesis During Insect Metamorphosis.Insects · 2026Review
- Juvenile hormone-mediated chromatin remodelling by cumulative action of downstream transcription factors, Hairy and Krüppel homolog 1.Communications biology · 2026Article
- Juvenile hormone induces phosphorylation of insulin/insulin-like growth factor signaling proteins in previtellogenic Aedes aegypti mosquitoes.Insect science · 2025Article
- Review
- Zika virus transmission in Aedes aegypti: A systematic study on the ability of mosquitoes to transmit the virus horizontally and vertically.Virologica Sinica · 2025Article
- Schlank orchestrates insect developmental transition by switching H3K27 acetylation to trimethylation in the prothoracic gland.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Dual roles of methoprene-tolerant geneFrontiers in physiology · 2024Article
- An Overview of Ovarian Calyx Fluid Proteins ofBiomolecules · 2023Article
- Juvenile hormone receptor Methoprene tolerant: Functions and applications.Vitamins and hormones · 2023Article
- Knockdown ofBiology · 2022Article
- Ad libitum consumption of protein- or peptide-sucrose solutions stimulates egg formation by prolonging the vitellogenic phase of oogenesis in anautogenous mosquitoes.Parasites & vectors · 2022Article
- Juvenile hormone-induced histone deacetylase 3 suppresses apoptosis to maintain larval midgut in the yellow fever mosquito.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Review
- Article
- Krüppel-homolog 1 exerts anti-metamorphic and vitellogenic functions in insects via phosphorylation-mediated recruitment of specific cofactors.BMC biology · 2021Article
- Histone H3K27 methylation-mediated repression ofProceedings of the National Academy of Sciences of the United States of America · 2021Article
- Juvenile hormone regulation of microRNAs is mediated by E75 in the Dengue vector mosquitoProceedings of the National Academy of Sciences of the United States of America · 2021Article
- Identification of juvenile hormone-induced posttranslational modifications of methoprene tolerant and Krüppel homolog 1 in the yellow fever mosquito, Aedes aegypti.Journal of proteomics · 2021Article
- Regulation of Juvenile Hormone on Summer Diapause ofInsects · 2021Article
- The ecdysone-induced protein 93 is a key factor regulating gonadotrophic cycles in the adult female mosquitoProceedings of the National Academy of Sciences of the United States of America · 2021Article
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Authors and funding
6 authors at 2 institutions in 3 countries.
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Abstract
Arthropod-specific juvenile hormones control numerous essential functions in development and reproduction. In the dengue-fever mosquito Aedes aegypti, in addition to its role in immature stages, juvenile hormone III (JH) governs post-eclosion (PE) development in adult females, a phase required for competence acquisition for blood feeding and subsequent egg maturation. During PE, JH through its receptor Methoprene-tolerant (Met) regulate the expression of many genes, causing either activation or repression. Met-mediated gene repression is indirect, requiring involvement of intermediate repressors. Hairy, which functions downstream of Met in the JH gene-repression hierarchy, is one such factor. Krüppel-homolog 1, a zinc-finger transcriptional factor, is directly regulated by Met and has been implicated in both activation and repression of JH-regulated genes. However, the interaction between Hairy and Kr-h1 in the JH-repression hierarchy is not well understood. Our RNAseq-based transcriptomic analysis of the Kr-h1-depleted mosquito fat body revealed that 92% of Kr-h1 repressed genes are also repressed by Met, supporting the existence of a hierarchy between Met and Kr-h1 as previously demonstrated in various insects. Notably, 130 genes are co-repressed by both Kr-h1 and Hairy, indicating regulatory complexity of the JH-mediated PE gene repression. A mosquito Kr-h1 binding site in genes co-regulated by this factor and Hairy was identified computationally. Moreover, this was validated using electrophoretic mobility shift assays. A complete phenocopy of the effect of Met RNAi depletion on target genes could only be observed after Kr-h1 and Hairy double RNAi knockdown, suggesting a synergistic action between these two factors in target gene repression. This was confirmed using a cell-culture-based luciferase reporter assay. Taken together, our results indicate that Hairy and Kr-h1 not only function as intermediate downstream factors, but also act together in a synergistic fashion in the JH/Met gene repression hierarchy.
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