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Philippe Deschamps
Researcher at University of Paris-Sud
Publications - 36
Citations - 2538
Philippe Deschamps is an academic researcher from University of Paris-Sud. The author has contributed to research in topics: Endosymbiosis & Archaeplastida. The author has an hindex of 25, co-authored 35 publications receiving 2237 citations. Previous affiliations of Philippe Deschamps include Centre national de la recherche scientifique.
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Journal ArticleDOI
Genome structure and metabolic features in the red seaweed Chondrus crispus shed light on evolution of the Archaeplastida.
Jonas Collén,Betina M. Porcel,Betina M. Porcel,Wilfrid Carré,Steven G. Ball,Cristian Chaparro,Thierry Tonon,Tristan Barbeyron,Gurvan Michel,Benjamin Noel,Klaus Valentin,Marek Eliáš,François Artiguenave,François Artiguenave,Alok Arun,Jean-Marc Aury,Jose Fernandes Barbosa-Neto,John H. F. Bothwell,François-Yves Bouget,François-Yves Bouget,Loraine Brillet,Francisco Cabello-Hurtado,Salvador Capella-Gutierrez,Bénédicte Charrier,Lionel Cladière,J. Mark Cock,Susana M. Coelho,Christophe Colleoni,Mirjam Czjzek,Corinne Da Silva,Ludovic Delage,Philippe Deschamps,Simon M. Dittami,Simon M. Dittami,Toni Gabaldón,Claire M. M. Gachon,Agnès Groisillier,Cécile Hervé,Kamel Jabbari,Kamel Jabbari,Michael Katinka,Michael Katinka,Bernard Kloareg,Nathalie Kowalczyk,Karine Labadie,Catherine Leblanc,Pascal J. Lopez,Deirdre H. McLachlan,Laurence Meslet-Cladiere,Ahmed A. Moustafa,Zofia Nehr,Pi Nyvall Collén,Olivier Panaud,Frédéric Partensky,Frédéric Partensky,Julie Poulain,Stefan A. Rensing,Sylvie Rousvoal,Gaelle Samson,Aikaterini Symeonidi,Aikaterini Symeonidi,Jean Weissenbach,Jean Weissenbach,Antonios Zambounis,Patrick Wincker,Patrick Wincker,Catherine Boyen +66 more
TL;DR: An evolutionary scenario involving an ancestral red alga that was driven by early ecological forces to lose genes, introns, and intergenetic DNA is proposed; this loss was followed by an expansion of genome size as a consequence of activity of transposable elements.
Journal ArticleDOI
An Early-Branching Freshwater Cyanobacterium at the Origin of Plastids
Rafael I. Ponce-Toledo,Philippe Deschamps,Purificación López-García,Yvan Zivanovic,Karim Benzerara,David Moreira +5 more
TL;DR: Analysis of phylogenomic and supernetwork analyses of the most comprehensive dataset analyzed so far strongly support that plastids evolved from deep-branching cyanobacteria and that the present-day closest cultured relative of primary plastid is Gloeomargarita lithophora.
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Accuracy of protist diversity assessments: morphology compared with cloning and direct pyrosequencing of 18S rRNA genes and ITS regions using the conspicuous tintinnid ciliates as a case study.
TL;DR: The results suggest that a careful and rigorous analysis of pyrosequencing data sets, including data denoising and sequence clustering with well-adjusted parameters, is necessary to accurately describe microbial biodiversity using this molecular approach.
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Metabolic Symbiosis and the Birth of the Plant Kingdom
Philippe Deschamps,Christophe Colleoni,Yasunori Nakamura,Eiji Suzuki,Jean-Luc Putaux,Alain Buléon,Sophie Haebel,Gerhard Ritte,Martin Steup,Luisa I. Falcón,David Moreira,Wolfgang Löffelhardt,Jenifer Nirmal Raj,Charlotte Plancke,Christophe D'Hulst,David Dauvillée,Steven G. Ball +16 more
TL;DR: It is speculated that the monophyletic origin of plastids may lie in an organism with close relatedness to present-day group V cyanobacteria, and the genetic makeup of the Archaeplastida ancestor with respect to storage polysaccharide metabolism is defined.
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Rooting the Domain Archaea by Phylogenomic Analysis Supports the Foundation of the New Kingdom Proteoarchaeota
TL;DR: Reconstructing rooted archaeal phylogenetic trees using bacterial sequences as outgroup implies the relegation of several groups previously classified as kingdoms to a lower taxonomic rank.