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DDE transposon as public goods
Tsakou-Ngouafo, Louis; Vicari, Célia; Helou, Laura et al.
2020In Evolutionary Biology-A Transdisciplinary Approach
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Keywords :
Agricultural and Biological Sciences (all); Immunology and Microbiology (all); Evolutionary biology; transposon; DDE
Abstract :
[en] DDE Transposons have been recruited at least four times as site-specific recombination activating gene allowing programmed DNA elimination in eukaryotes. The described cases are RAG in jawed vertebrates, Kat 1 and Alpha 3 in the Kluyveromyces lactis yeast and Piggymac/TPB1 TPB2 and TPB6 in ciliates. The domesticated RAG is the most known case. It constitutes the enzymatic core of the Jawed vertebrates V(D)J recombination machinery. It directs random assembly and joining of gene segments during the development of B and T cells helping in the generation of the enormous gene diversity encoding antibodies or T cell receptors. It was shown in the case of RAG that the shift from DDE transposon to site-specific recombination activating gene is an evolutionary phenomenon that did not require dramatic changes. This explainswhy the co-option ofDDEtransposon as site-specific recombination activating gene can occur in a convergent manner. As numerous genes coding for DDE transposases are widespread through numerous members of the life tree, it is expected that several of them might correspond to domesticated transposons involved in programmed DNA elimination and maybe in the generation of receptor diversity. The domestication of DDE transposon could have been and still be of an extreme importance for organisms' evolution.
Disciplines :
Genetics & genetic processes
Author, co-author :
Tsakou-Ngouafo, Louis;  Aix Marseille Univ IRD, APHM, MEPHI, IHU Méditerranée Infection, Marseille, France
Vicari, Célia;  Aix Marseille Univ IRD, APHM, MEPHI, IHU Méditerranée Infection, Marseille, France
Helou, Laura ;  Université de Liège - ULiège > Département des sciences cliniques ; UMR INRAE 0085, CNRS 7247, PRC, Centre INRAE Val de Loire, Nouzilly, France
Keshri, Vivek;  Aix Marseille Univ IRD, APHM, MEPHI, IHU Méditerranée Infection, Marseille, France
Das, Sabyasachi;  Emory Vaccine Center and Department of Pathology and Laboratory Medicine, Emory University, Atlanta, United States
Bigot, Yves;  UMR INRAE 0085, CNRS 7247, PRC, Centre INRAE Val de Loire, Nouzilly, France
Pontarotti, Pierre;  Aix Marseille Univ IRD, APHM, MEPHI, IHU Méditerranée Infection, Marseille, France ; SNC5039 CNRS, Paris, France
Language :
English
Title :
DDE transposon as public goods
Publication date :
29 October 2020
Main work title :
Evolutionary Biology-A Transdisciplinary Approach
Publisher :
Springer
ISBN/EAN :
978-3-03-057246-4
978-3-03-057245-7
Peer reviewed :
Peer reviewed
Available on ORBi :
since 24 May 2023

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