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Paternal Chromosome Incorporation into the Zygote Nucleus Is Controlled by maternal haploid in Drosophila

Archive ouverte | Loppin, F | CCSD

International audience. maternal haploid (mh) is a strict maternal effect mutation that causes the production of haploid gynogenetic embryos (eggs are fertilized but only maternal chromosomes participate in developm...

Origin and neofunctionalization of a Drosophila paternal effect gene essential for zygote viability.

Archive ouverte | Loppin, Benjamin | CCSD

BACKGROUND: Although evolutionary novelty by gene duplication is well established, the origin and maintenance of essential genes that provide entirely new functions (neofunctionalization) is still largely unknown. Drosophila is a ...

The histone H3.3 chaperone HIRA is essential for chromatin assembly in the male pronucleus.

Archive ouverte | Loppin, Benjamin | CCSD

In sexually reproducing animals, a crucial step in zygote formation is the decondensation of the fertilizing sperm nucleus into a DNA replication-competent male pronucleus. Genome-wide nucleosome assembly on paternal DNA implies t...

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