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Construction and Expression Analysis of the bin 3xOllas Tool Line
Mengyuan Yi1, Hannah Sonnenberg1, Vimala Anthonydhason2
1Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Västra Götaland, Sweden.
None:
Precise detection of endogenous protein expression is essential for understanding gene function in vivo . We generated a Drosophila knock-in line inserting a 3×Ollas tag at the C-terminus of the endogenous biniou ( bin ) locus, enabling specific visualization of the Bin transcription factor. The bin 3xOllas allele faithfully recapitulates native expression in the visceral mesoderm and does not disrupt Bin function. Integrating single-cell RNA-sequencing data, we further identified Bin expression in adult reproductive tissues, including ovarian escort cells and testis hub and cyst cells. This allele provides a robust tool for studying Bin function and dynamics.
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