Photoperiod-driven gene regulation in the brain of Chirostoma estor: endocrine, metabolic, and epigenetic insights

Mitzi Ernestina Juárez-Gutiérrez, Valeria Colin-Orozco, Zoraya Palomera-Sánchez, Pamela Navarrete-Ramírez, Carlos Cristian Martínez-Chávez · 2026

Read Photoperiod-driven gene regulation in the brain of Chirostoma estor: endocrine, metabolic, and epigenetic insights by Mitzi Ernestina Juárez-Gutiérrez, Valeria Colin-Orozco, Zoraya Palomera-Sánchez, Pamela Navarrete-Ramírez, Carlos Cristian Martínez-Chávez (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13175793.txt.

Description

Mitzi Ernestina Juárez-Gutiérrez and four co-authors study how constant light rewires the brain of a Mexican fish, in a 2026 paper. Artificial light is changing aquatic days and nights. How fish brains cope with endless light was poorly known.

The team reanalyzed brain gene data from young Chirostoma estor raised under nonstop light against a normal day night cycle. Constant light boosted growth pathway sensitivity while trimming growth hormone itself. Thyroid signals shifted in a growth friendly direction. Protective antioxidant genes rose, while stress axis genes ran higher under normal cycles. Gene control marks also shifted in coordinated ways. The brain, it seems, settles into an alternate steady state.

Catalog record

CREATORMitzi Ernestina Juárez-Gutiérrez, Valeria Colin-Orozco, Zoraya Palomera-Sánchez, Pamela Navarrete-Ramírez, Carlos Cristian Martínez-Chávez
YEAR2026
COLLECTIONPAPERS
FORMATTXT
FILE SIZE46 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC13175793

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