NopA64, a novel nucleolar phosphoprotein from proliferating onion cells, sharing immunological determinants with mammalian nucleolin

allium cepa antibodies anticorps anticuerpos arn cell differentiation cells cellule immunologie immunology kinase levadura levure mammals methode methods noyau cellulaire nucleo nucleolus nucleus phosphoproteins protein kinase proteine proteins racine rna roots transferasas transferase transferases yeasts zellkern