Journal
DEVELOPMENTAL BIOLOGY
Volume 504, Issue -, Pages 1-11Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ydbio.2023.09.001
Keywords
ZFH-2; Oogenesis; Daughterless; Springer retrotransposon; CP190
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This study provides the first evidence of the role of transcription factor ZFH-2 in Drosophila oogenesis. Loss of ZFH-2 function impacts the ovary phenotype and may be genetically related to the daughterless gene. Additionally, ZFH-2 is localized at specific sites on polytene chromosomes and colocalizes with the insulator/promoter cofactor CP190.
The transcription factor ZFH-2 has well-documented roles in Drosophila neurogenesis and other developmental processes. Here we provide the first evidence that ZFH-2 has a role in oogenesis. We demonstrate that ZFH-2 is expressed in the wild-type ovary and that a loss of zfh-2 function produces a mutant ovary phenotype where egg chambers are reduced in number and fused. We also show that a loss of zfh-2 function can suppress a daughterless loss-of-function ovary phenotype suggesting a possible genetic relationship between these two genes in the ovary. We also show that ZFH-2 is located at the boundary between bands and interbands on polytene chromosomes and that at a subset of these sites ZFH-2 colocalizes with the insulator/promoter cofactor CP190.
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