Abstract
Certain species of colonial ascidians have colony specificity or the ability to distinguish self colonies from not-self colonies within the same species. In Botryllus primigenus, when a colony recognizes another as belonging to the self strain, both colonies fuse with each other to form one colony (designated as “fusion”). On the contrary, when colonies of a not-self strain come into contact, they do not fuse, and a necrotic zone occurs at the contact surface between the two colonies (designated as “nonfusion”).
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Tanaka, K. (1975). Allogeneic Distinction in Botryllus primigenus and in other Colonial Ascidians. In: Hildemann, W.H., Benedict, A.A. (eds) Immunologic Phylogeny. Advances in Experimental Medicine and Biology, vol 64. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-3261-9_13
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DOI: https://doi.org/10.1007/978-1-4684-3261-9_13
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