Retreat Growth in the Ascidian Botryllus Schlosseri: A Consequence of Nonself Recognition

Baruch Rinkevich, Irving L. Weissman

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

In the genus Botryllus fusion between genetically distinct individuals is controlled by a single genetic locus (or haplotype) with multiple codominantly expressed alleles. Colonies which do not share an allele at this locus reject each other. The outcomes of juxtaposing nonfusible colonies of the colonial ascidian Botryllus schlosseri from Monterey, California, were followed in terms of colony rejection and colony vectorial growth in two sets of experiments. In the first, 2--5 subclones were isolated from each of 14 large colonies and experimentally matched to 26 nonfusible pairs. In the second, 50 nonfusible pairs of oozooids were followed for up to one year.
Original languageEnglish
Title of host publicationInvertebrate Historecognition
EditorsRichard K. Grosberg, Dennis Hedgecock, Keith Nelson
Place of PublicationBoston, MA
PublisherSpringer US
Pages93-109
Number of pages17
ISBN (Print)978-1-4613-1053-2
DOIs
StatePublished - 1988
Externally publishedYes

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