Genetic mechanisms of adaptive immunity emergence in vertebrates

Genetic mechanisms of adaptive immunity emergence in vertebrates The adaptive immune system in vertebrates emerged in a multistep process that can be reconstructed on the basis of the data concerning the structure of immune systems of modern cartilaginous and bony fishes, as well as of cyclostomes. The most probable evolutionary scenario is likely to be as follows: the T cell receptor loci emerged on the basis of NK cell-like receptor genes; the antibody loci evolved on the basis of T cell receptor loci; the MHC locus arose on the basis of the locus responsible for innate immunity of early chordates. The ancestral MHC molecules likely participated in the transplantation immunity before they acquired the ability of antigen peptide presentation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Genetic mechanisms of adaptive immunity emergence in vertebrates

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Publisher
Springer Journals
Copyright
Copyright © 2016 by Pleiades Publishing, Inc.
Subject
Biomedicine; Human Genetics; Animal Genetics and Genomics; Microbial Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795416070097
Publisher site
See Article on Publisher Site

Abstract

The adaptive immune system in vertebrates emerged in a multistep process that can be reconstructed on the basis of the data concerning the structure of immune systems of modern cartilaginous and bony fishes, as well as of cyclostomes. The most probable evolutionary scenario is likely to be as follows: the T cell receptor loci emerged on the basis of NK cell-like receptor genes; the antibody loci evolved on the basis of T cell receptor loci; the MHC locus arose on the basis of the locus responsible for innate immunity of early chordates. The ancestral MHC molecules likely participated in the transplantation immunity before they acquired the ability of antigen peptide presentation.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Jul 30, 2016

References

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