Sun, Z.W.

spermatid spermatocyte expression knockout xy body hr 6b chromosome histone chromatin level h 2at ubiquitylation protein gene expression h 2b ubiquitylation x chromosome round spermatids mouse meiotic round hr 6a antibody pachytene hr 6b knockout modification wild-type meiotic prophase x-linked h 3k methylation postmeiotic hr 6b spermatocytes hr 6b mice signal h 2bt nuclei expression level figure histone h 2b h 2ak differentially methylation mulugeta achame centromeric transcription anti-h h 2ak ubiquitylation increase multicopy result diplotene spermatogenesi autosomal prophase phosphorylated group enzyme change genomic phosphorylation pathway achame region autosomal genes effect mulugeta type spermatids staining sample number analysis yeast x-linked genes science addition testi array hr 6b spermatids qrtpcr h 2bk ubiquitylation y chromosomes