ELemental sulfur and Magnetosomes W》点 88 器象 Sulfur globules in Magnetic particles of Fe3O4 Isolated Chromatium buderi from Aquaspirillum magnetotacticumElemental sulfur and Magnetosomes • Sulfur globules in Magnetic particles of Fe3O4 Isolated Chromatium buderi. from Aquaspirillum magnetotacticum