A deep-sea hydrothermal vent worm detoxifies arsenic and sulfur by intracellular biomineralization of orpiment (As2S3)
Fig 6
TEM analysis of the NaOH-treated P. hessleri tissues.
A: TEM image of NaOH-treated branchial apparatus; A’: A close-up image of yellow granules’ membrane structures and intra-membrane vacuoles; B: TEM image of two body wall yellow granules; B’: A close-up image showing the two sets of membranes, and numerous vesicles between the membranes; C: ci: cilia, cu: cuticle; gry: yellow granule; mt: mitochondria; nu: nuclei; black arrowhead: yellow granule; white arrowhead: mitochondria; double line arrowhead: lipid bilayer; white arrow: protrusions on the gut yellow granule.