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Full-Text Articles in Medicine and Health Sciences
The Foxo Transcription Factor Controls Insect Growth And Development By Regulating Juvenile Hormone Degradation In The Silkworm, Bombyx Mori, Baosheng Zeng, Yuping Huang, Jun Xu, Takahiro Shiotsuki, Hua Bai, Subba Reddy Palli, Yongping Huang, Anjiang Tan
The Foxo Transcription Factor Controls Insect Growth And Development By Regulating Juvenile Hormone Degradation In The Silkworm, Bombyx Mori, Baosheng Zeng, Yuping Huang, Jun Xu, Takahiro Shiotsuki, Hua Bai, Subba Reddy Palli, Yongping Huang, Anjiang Tan
Entomology Faculty Publications
Forkhead box O (FOXO) functions as the terminal transcription factor of the insulin signaling pathway and regulates multiple physiological processes in many organisms, including lifespan in insects. However, how FOXO interacts with hormone signaling to modulate insect growth and development is largely unknown. Here, using the transgene-based CRISPR/Cas9 system, we generated and characterized mutants of the silkworm Bombyx mori FOXO (BmFOXO) to elucidate its physiological functions during development of this lepidopteran insect. The BmFOXO mutant (FOXO-M) exhibited growth delays from the first larval stage and showed precocious metamorphosis, pupating at the end of the fourth instar (trimolter) rather …