Results 1 to 10 of about 23,839 (265)

A Genetic Mosaic Screen Reveals Ecdysone-Responsive Genes Regulating Drosophila Oogenesis [PDF]

open access: yesG3: Genes, Genomes, Genetics, 2016
Multiple aspects of Drosophila oogenesis, including germline stem cell activity, germ cell differentiation, and follicle survival, are regulated by the steroid hormone ecdysone.
Elizabeth T. Ables   +4 more
doaj   +5 more sources

Ecdysone coordinates plastic growth with robust pattern in the developing wing

open access: yeseLife, 2022
Animals develop in unpredictable, variable environments. In response to environmental change, some aspects of development adjust to generate plastic phenotypes.
André Nogueira Alves   +4 more
doaj   +2 more sources

Nutritional control of body size through FoxO-Ultraspiracle mediated ecdysone biosynthesis [PDF]

open access: yeseLife, 2014
Despite their fundamental importance for body size regulation, the mechanisms that stop growth are poorly understood. In Drosophila melanogaster, growth ceases in response to a peak of the molting hormone ecdysone that coincides with a nutrition ...
Takashi Koyama   +4 more
doaj   +6 more sources

Impact of steroid hormone signals on Drosophila cell cycle during development [PDF]

open access: yesCell Division, 2009
Metamorphosis of Drosophila involves proliferation, differentiation and death of larval tissues in order to form the adult fly. The major steroid hormone implicated in the larval-pupal transition and adult tissue modelling is ecdysone.
Quinn Leonie, Cranna Nicola
doaj   +3 more sources

Identification of Ecdysone Hormone Receptor Agonists as a Therapeutic Approach for Treating Filarial Infections. [PDF]

open access: yesPLoS Neglected Tropical Diseases, 2016
BACKGROUND:A homologue of the ecdysone receptor has previously been identified in human filarial parasites. As the ecdysone receptor is not found in vertebrates, it and the regulatory pathways it controls represent attractive potential chemotherapeutic ...
Amruta S Mhashilkar   +8 more
doaj   +2 more sources

The insulin and ecdysone pathways as regulators of diapause termination: transcriptional and protein insights from Pieris napi [PDF]

open access: yesBMC Genomics
Insect diapause is a pre-programmed alternative developmental pathway induced to survive adverse environmental conditions and is characterized by an absence of development, metabolic suppression and increased stress resistance.
Philip Süess   +6 more
doaj   +2 more sources

Azadirachtin disrupts ecdysone signaling and alters sand fly immunity [PDF]

open access: yesParasites & Vectors
Background Leishmaniasis is a group of neglected vector-borne diseases transmitted by phlebotomine sand flies. Leishmania parasites must overcome various defenses in the sand fly midgut, including the insects’s immune response.
Cecilia Stahl Vieira   +4 more
doaj   +2 more sources

Dehydration triggers ecdysone-mediated recognition-protein priming and elevated anti-bacterial immune responses in Drosophila Malpighian tubule renal cells

open access: yesBMC Biology, 2018
Background Drosophila is a powerful model for the study of factors modulating innate immunity. This study examines the effect of water-loss dehydration on innate immune responsiveness in the Drosophila renal system (Malpighian tubules; MTs), and how this
Wenjing Zheng   +6 more
doaj   +2 more sources

Ecdysone signaling induces two phases of cell cycle exit in Drosophila cells

open access: yesBiology Open, 2016
During development, cell proliferation and differentiation must be tightly coordinated to ensure proper tissue morphogenesis. Because steroid hormones are central regulators of developmental timing, understanding the links between steroid hormone ...
Yongfeng Guo   +4 more
doaj   +2 more sources

Krüppel homolog 1 represses insect ecdysone biosynthesis by directly inhibiting the transcription of steroidogenic enzymes

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2018
Wei Song, Zheng Li, Wenliang Qian
exaly   +2 more sources

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