title: Fractionation of cricket testis nuclei on gradients of colloidal silica for study of basic protein changes during spermiogenesis.
mesh_terms: D000818:Animals; D002458:Cell Fractionation; D002467:Cell Nucleus / Q000032:analysis; D002499:Centrifugation, Density Gradient; D006657:Histones / Q000032:analysis*; D008297:Male; D009987:Orthoptera / Q000502:physiology*; D013087:Spermatids / Q000032:analysis; D013090:Spermatocytes / Q000032:analysis; D013091:Spermatogenesis; D013094:Spermatozoa / Q000032:analysis* / Q000648:ultrastructure
chemical_list: D006657:Histones