Ascidian

... the other iron-containing protein - hlorokruorin. The basis of it is not ferric iron, ferrous and which gives the blood and tissue fluid green. In ascidian blood is colorless, it is based - gemovanady containing vanadium ions. In octopus, spiders, scorpions, crabs, respiratory pigment of the blood ...

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looks like an ascidian, don't know marine biology outside of pacific yet...

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... sheath—made of cellulose—that encompasses the sea squirt. This was unexpected because only plant and bacteria are known to produce cellulose. The ascidian genome has also acquired a number of lineage-specific innovations, including a group of genes engaged in cellulose metabolism that are related ...

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Sabrina I am not that good in prochordates and donot know about the skin lesions as they donot interest me. Among animals, urochordates (e.g., ascidians) are unique in their ability to biosynthesize cellulose. In ascidians cellulose is synthesized in the epidermis and incorporated into a protective ...

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... sheath—made of cellulose—that encompasses the sea squirt. This was unexpected because only plant and bacteria are known to produce cellulose. The ascidian genome has also acquired a number of lineage-specific innovations, including a group of genes engaged in cellulose metabolism that are related ...

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