2017
DOI: 10.7243/2055-4796-4-1
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Versager is expressed at the histone-to-protamine transition during spermiogenesis and is required for embryonic chromosome transmission in Drosophila melanogaster

Abstract: Background: Chromatin remodeling is one of the most intriguing features of spermiogenesis, during which nuclei undergo drastic morphological changes leading to extensive chromatin compaction. Genetic and cytological accessibility make Drosophila melanogaster a powerful model to study this process. In fruit flies, paternal histones are largely replaced with sperm specific nuclear basic proteins in a highly coordinated manner. This remodeling is essential not only for sperm function but also for proper behavior … Show more

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“…Paternal effect mutants represent a rare genetic resource to investigate sperm functions that are specifically required for the integration of paternal chromosomes in the zygote (14)(15)(16)(17)(18). The pal mutant, which was isolated more than fifty years ago, has been known to induce sporadic loss of paternal chromosomes at the onset of embryonic development (14,19,20), but the origin of this phenotype is unknown.…”
Section: Resultsmentioning
confidence: 99%
“…Paternal effect mutants represent a rare genetic resource to investigate sperm functions that are specifically required for the integration of paternal chromosomes in the zygote (14)(15)(16)(17)(18). The pal mutant, which was isolated more than fifty years ago, has been known to induce sporadic loss of paternal chromosomes at the onset of embryonic development (14,19,20), but the origin of this phenotype is unknown.…”
Section: Resultsmentioning
confidence: 99%