Presence of Myoglobin in "Cartilage" of the Marine Snail Busycon

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Science  07 Aug 1959:
Vol. 130, Issue 3371, pp. 334
DOI: 10.1126/science.130.3371.334


The odontophore of the snail Busycon has been found to contain myoglobin. The red pigment is readily extracted with water, and spectrophotometric analysis shows the characteristic peaks of myoglobin at 575 and 539 mµ. Although the odontophore is considered to be cartilaginous, it contains, not a chondroitin sulfate, but a polyhexose sulfate. This unusual chemical composition may be responsible for the absorption of myoglobin by the odontophore.