A deep-sea hydrothermal vent worm detoxifies arsenic and sulfur by intracellular biomineralization of orpiment (As2S3)
Fig 3
Microscopy analysis of the yellow granules.
A: A longitudinally sectioned paraffin-embedded P. hessleri specimen, demonstrating the internal structure of the P. hessleri worm. B: Size distribution of the yellow granules in the major tissues of P. hessleri. C: Number of yellow granules per cell in the major tissues of P. hessleri. D: Cross section of branchial apparatus tip. E: Longitudinal section of P. hessleri branchial apparatus stem. F: Longitudinal section of P. hessleri body wall. G: Longitudinal section of P. hessleri buccal tentacles. H: Cross section of P. hessleri digestive tract. ASW: ambient seawater. ci: cilia. cu: cuticle. The data underlying Fig 3B and 3C can be found in S1 Data.