title: Histone variants and chromatin structure during sea urchin development.
mesh_terms: D000818:Animals; D002843:Chromatin / Q000648:ultrastructure*; D004247:DNA / Q000032:analysis; D004625:Embryo, Nonmammalian / Q000378:metabolism*; D006657:Histones / Q000096:biosynthesis*; D008836:Micrococcal Nuclease / Q000378:metabolism; D009707:Nucleosomes / Q000648:ultrastructure; D012617:Sea Urchins / Q000196:embryology*
chemical_list: D002843:Chromatin; D006657:Histones; D009707:Nucleosomes; D004247:DNA; D008836:Micrococcal Nuclease