Journal ArticleDOI
Horizontal gene transfer in eukaryotic evolution
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TLDR
The number of well-supported cases of transfer from both prokaryotes and eukaryotes, many with significant functional implications, is now expanding rapidly and major recent trends include the important role of HGT in adaptation to certain specialized niches and the highly variable impact of H GT in different lineages.Abstract:
Horizontal gene transfer (HGT; also known as lateral gene transfer) has had an important role in eukaryotic genome evolution, but its importance is often overshadowed by the greater prevalence and our more advanced understanding of gene transfer in prokaryotes. Recurrent endosymbioses and the generally poor sampling of most nuclear genes from diverse lineages have also complicated the search for transferred genes. Nevertheless, the number of well-supported cases of transfer from both prokaryotes and eukaryotes, many with significant functional implications, is now expanding rapidly. Major recent trends include the important role of HGT in adaptation to certain specialized niches and the highly variable impact of HGT in different lineages.read more
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Journal ArticleDOI
Molecular techniques and their limitations shape our view of the holobiont
Ira Cooke,Oliver L. Mead,Casey Whalen,Chloë Boote,Aurelie Moya,Hua Ying,Steven J. Robbins,Jan M. Strugnell,Jan M. Strugnell,Aaron E. Darling,David J. Miller,Christian R. Voolstra,Maja Adamska +12 more
TL;DR: A diverse array of molecular techniques are now used to profile microbial communities, infer their evolutionary histories, visualise them in host tissues, and measure their molecular activity, and the degree to which their capabilities and limitations shape the view of the holobiont is examined.
Journal ArticleDOI
De Novo Gene Birth, Horizontal Gene Transfer, and Gene Duplication as Sources of New Gene Families Associated with the Origin of Symbiosis in Amanita.
TL;DR: The most upregulated gene in symbiotic cultures encodes a 1-aminocyclopropane-1-carboxylate deaminase, an enzyme capable of downregulating the synthesis of the plant hormone ethylene, a common negative regulator of plant-microbial mutualisms.
Book ChapterDOI
Host-Mimetic Metabolomics of Endophytes: Looking Back into the Future
TL;DR: With this chapter the authors are trying to get into the mechanistic aspects of host-specific chemicals synthesized by endophytic microbes together with the experience with isolation and characterization ofhost-specific compounds like piperine and azadirachtin.
Posted ContentDOI
Mitochondrial genomes of two parasitic Cuscuta species lack clear evidence of horizontal gene transfer and retain unusually fragmented ccmFC genes
TL;DR: In this paper, the organellar genomes of two recently sequenced species, C. australis and C. campestris, were assembled and analyzed to enhance the picture on HGT events in a widely distributed parasitic genus, Cuscuta (dodders).
Journal ArticleDOI
GRAS transcription factors regulate cell division planes in moss overriding the default rule
A. Ishikawa,Ayaka Fujiwara,Ken Kosetsu,Yuta Horiuchi,Naoya Kamamoto,Naoyuki Umakawa,Yosuke Tamada,Liechi Zhang,Katsuyoshi Matsushita,Gergo Palfalvi,Tomoaki Nishiyama,Sota Kitasaki,Yuri Masuda,Yoshiki Shiroza,Munenori Kitagawa,Toru Nakamura,Hongchang Cui,Yuji Hiwatashi,Yukiko Kabeya,Shuji Shigenobu,Tsuyoshi Aoyama,Kagayaki Kato,Takashi Murata,Koichi Fujimoto,Philip N. Benfey,Mitsuyasu Hasebe,Rumiko Kofuji +26 more
TL;DR: In this paper , three GRAS proteins participated in leaf vein formation by regulating cell division orientation in the moss Physcomitrium patens, and this gene family then underwent expansion and adaptation in flowering plant and moss lineages to specify body plans.
References
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TL;DR: The results of an international collaboration to produce and make freely available a draft sequence of the human genome are reported and an initial analysis is presented, describing some of the insights that can be gleaned from the sequence.
Journal ArticleDOI
Lateral gene transfer and the nature of bacterial innovation
TL;DR: Unlike eukaryotes, which evolve principally through the modification of existing genetic information, bacteria have obtained a significant proportion of their genetic diversity through the acquisition of sequences from distantly related organisms.
Journal ArticleDOI
The Genome of the African Trypanosome Trypanosoma brucei
Matthew Berriman,Elodie Ghedin,Elodie Ghedin,Christiane Hertz-Fowler,Gaëlle Blandin,Hubert Renauld,Daniella Castanheira Bartholomeu,Nicola Lennard,Elisabet Caler,N. Hamlin,Brian J. Haas,Ulrike Böhme,Linda Hannick,Martin Aslett,Joshua Shallom,Lucio Marcello,Lihua Hou,Bill Wickstead,U. Cecilia M. Alsmark,Claire Arrowsmith,Rebecca Atkin,Andrew Barron,Frédéric Bringaud,Karen Brooks,Mark Carrington,Inna Cherevach,Tracey-Jane Chillingworth,Carol Churcher,Louise Clark,Craig Corton,Ann Cronin,Robert L. Davies,Jonathon Doggett,Appolinaire Djikeng,Tamara Feldblyum,Mark C. Field,Audrey Fraser,Ian Goodhead,Zahra Hance,David Harper,Barbara Harris,Heidi Hauser,Jessica B. Hostetler,Al Ivens,Kay Jagels,David W. Johnson,Justin Johnson,Kristine Jones,Arnaud Kerhornou,Hean Koo,Natasha Larke,Scott M. Landfear,Christopher Larkin,Vanessa Leech,Alexandra Line,Angela Lord,Annette MacLeod,P. Mooney,Sharon Moule,David M. A. Martin,Gareth W. Morgan,Karen Mungall,Halina Norbertczak,Doug Ormond,Grace Pai,Christopher S. Peacock,Jeremy Peterson,Michael A. Quail,Ester Rabbinowitsch,Marie-Adèle Rajandream,Chris P Reitter,Steven L. Salzberg,Mandy Sanders,Seth Schobel,Sarah Sharp,Mark Simmonds,Anjana J. Simpson,Luke J. Tallon,C. Michael R. Turner,Andrew Tait,Adrian Tivey,Susan Van Aken,Danielle Walker,David Wanless,Shiliang Wang,Brian White,Owen White,Sally Whitehead,John Woodward,Jennifer R. Wortman,Mark Raymond Adams,T. Martin Embley,Keith Gull,Elisabetta Ullu,J. David Barry,Alan H. Fairlamb,Fred R. Opperdoes,Barclay G. Barrell,John E. Donelson,Neil Hall,Neil Hall,Claire M. Fraser,Sara E. Melville,Najib M. El-Sayed,Najib M. El-Sayed +104 more
TL;DR: Comparisons of the cytoskeleton and endocytic trafficking systems of Trypanosoma brucei with those of humans and other eukaryotic organisms reveal major differences.
Journal ArticleDOI
Genome evolution in yeasts
Bernard Dujon,David James Sherman,Gilles Fischer,Pascal Durrens,Serge Casaregola,Ingrid Lafontaine,Jacky de Montigny,Christian Marck,Cécile Neuvéglise,Emmanuel Talla,Nicolas Goffard,Lionel Frangeul,Michel Aigle,Véronique Anthouard,Anna Babour,Valérie Barbe,Stéphanie Barnay,Sylvie Blanchin,Jean-Marie Beckerich,Emmanuelle Beyne,Claudine Bleykasten,Anita Boisramé,Jeanne Boyer,Laurence Cattolico,Fabrice Confanioleri,Antoine de Daruvar,Laurence Despons,Emmanuelle Fabre,Cécile Fairhead,Hélène Ferry-Dumazet,Alexis Groppi,Florence Hantraye,Christophe Hennequin,Nicolas Jauniaux,Philippe Joyet,Rym Kachouri,Alix Kerrest,Romain Koszul,Marc Lemaire,Isabelle Lesur,Laurence Ma,Héloïse Muller,Jean-Marc Nicaud,Macha Nikolski,Sophie Oztas,Odile Ozier-Kalogeropoulos,Stefan Pellenz,Serge Potier,Guy-Franck Richard,Marie-Laure Straub,Audrey Suleau,Dominique Swennen,Fredj Tekaia,Micheline Wésolowski-Louvel,Eric Westhof,Bénédicte Wirth,Maria Zeniou-Meyer,Ivan Zivanovic,Monique Bolotin-Fukuhara,Agnès Thierry,Christiane Bouchier,Bernard Caudron,Claude Scarpelli,Claude Gaillardin,Jean Weissenbach,Patrick Wincker,Jean-Luc Souciet +66 more
TL;DR: Analysis of chromosome maps and genome redundancies reveal that the different yeast lineages have evolved through a marked interplay between several distinct molecular mechanisms, including tandem gene repeat formation, segmental duplication, a massive genome duplication and extensive gene loss.
Journal ArticleDOI
Phylogenetic Classification and the Universal Tree
TL;DR: Molecular phylogeneticists will have failed to find the “true tree,” not because their methods are inadequate or because they have chosen the wrong genes, but because the history of life cannot properly be represented as a tree.