Invertebrate Historecognition

Invertebrate Historecognition

Paperback(Softcover reprint of the original 1st ed. 1988)

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Overview

Historecognition, broadly defined, spans the processes responsible for the regulation of the genetic integrity of self in the face of conspecific (allogeneic) and heterospecific (xenogeneic) nonself. The existence of precise historecognition systems in the invertebrates can be traced back to Bancroft's discovery in 1903 of ,strain­ specific regulation of colony fusion in the compound ascidian Botryllus schlosseri, and Wilson's report in 1907 of species-specific sponge re-aggregation. Despite this provocative history, invertebrate historecognition remained largely unexplored for over half a century, while studies of vertebrate immune systems prospered. Then, in the 1970's, interest in invertebrate his tore cognition grew once again, this time cast largely in terms of understanding the mechanisms and evolutionary history of vertebrate immunity. From our current understanding of vertebrate immunity and invertebrate historecognition, three generalizations about their relationships can be drawn. First, despite substantial knowledge about the genetics and molecular biology of cell recognition in the context of vertebrate immunity and to a lesser extent of invertebrate historecognition, the evolutionary relationships between invertebrate self/nonself­ recognition and vertebrate immune systems remain obscure. Second, although vertebrate allograft recognition is of dubious functional significance itself (because intergenotypic cellular contacts are unusual, except during fertilization and pregnancy), natural allografts occur frequently as sedentary invertebrates grow and compete for living space. It is now known that the operation of invertebrate his tore cognition systems can profoundly affect the outcomes of competitive interactions by mediating allogeneic aggressive behavior and somatic fusion.

Product Details

ISBN-13: 9781461283119
Publisher: Springer US
Publication date: 11/05/2011
Series: Bodega Marine Laboratory Marine Science Series
Edition description: Softcover reprint of the original 1st ed. 1988
Pages: 192
Product dimensions: 6.69(w) x 9.61(h) x 0.02(d)

Table of Contents

Histocompatibility Responses in Freshwater Sponges: A Model for Studies of Cell-cell Interactions in Natural Populations and Experimental Systems.- The Role of Mesohyl Cells in Sponge Allograft Rejections.- Sulfated Polysaccharide-mediated Sponge Cell Aggregation: The Clue to Invertebrate Self/nonself-Recognition?.- Historecognition and Immunocompetence in Selected Marine Invertebrates.- Speculations on the Relationships of Two Botryllus Allorecognition Reactions—Colony Specificity and Resorption—to Vertebrate Histocompatibility.- Molecular Analysis of Historecognition in Marine Invertebrates (Abstract only).- Evolution of MHC Genes and Functions: The Disease Connection.- Retreat Growth in the Ascidian Botryllus schlosseri: a Consequence of Nonself Recognition.- Historecognition and Fine-scale Spatial Genetic Structure in Sessile Benthic Invertebrates.- Recognition of Self or Nonself? Theoretical Implications and an Empirical Test.- Kin Recognition Using Innate Labels: A Central Role for Piggy-backing?.- The Evolution of Allorecognition Specificity.- Retrospective.- Contributors.

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