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Updated: Jan 25, 2026

µTongue: A Microfluidics-Based Functional Imaging Platform for the Tongue In Vivo
Published on: April 22, 2021
Molecular characterization and expression profiles provide new insights into GATA5 functions in tongue sole
Yuxiang Liu1, He Zhu1, Yuezhong Liu1
1Key Laboratory of Marine Genetics and Breeding, Ministry of Education, Ocean University of China, 266003 Qingdao, Shandong, China.
Abstract:
GATA5 is a member of the GATA transcription factor family, which serves essential roles in varieties of cellular functions and biological processes. In this study, we have accomplished the molecular cloning, bioinformatic analysis and preliminary function study of C. semilaevis GATA5. The full-length cDNA nucleotide sequence is 1955 bp, with a coding sequence of 1167 bp, which encodes a polypeptide of 388 amino acids. Homology, phylogenetic, gene structure and synteny analysis showed that C. semilaevis GATA5 was highly conserved among vertebrates. Tissue distribution pattern exhibited that C. semilaevis GATA5 was significantly expressed in heart, intestine, liver, kidney and gonad, with a sexual dimorphic feature observed in testis and ovary. Embryonic development expression profiles showed that C. semilaevis GATA5 transcripts increased at the blastula stage, and peaked at the heat-beating period. Strong signals were detected at spermatids of male testis and stage III oocytes of female ovary by ISH. The expression of C. semilaevis GATA5 was regulated by 17α-MT and E2 after hormone stimulation to the ovary. Together, all the results pointed out that GATA5 might play a vital role during gonadal maturation and the reproductive cycle of C. semilaevis. This study lays the foundation for further researches on the sex control breeding in tongue sole.
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