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TACKLE SIGNED

TACK Superphylum and Lokiarchaeota Evolution: Dissecting the Ecology and Evolution of Archaea to Elucidate the Prokaryote to Eukaryote Transition

Total Cost €

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EC-Contrib. €

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Partnership

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 TACKLE project word cloud

Explore the words cloud of the TACKLE project. It provides you a very rough idea of what is the project "TACKLE" about.

exhibits    metabolic    genomic    superphylum    evolution    systematic    uncharacterized    isotope    repertoire    ancestor    structural    discovered    techniques    tackl    virtually    insights    eukaryotes    sediments    descent    beside    archaea    radiated    successfully    biochemical    cultivate    marine    found    array    newly    resolve    complexity    unprecedented    ancestral    indicated    deep    instrumental    sister    genes    situ    forms    investigation    biological    groups    lineage    context    environments    imaging    stable    habitat    archaeal    gene    largely    earth    obviously    transitions    cells    fundamental    line    mark    eukaryotic    relatives    questions    cultivation    local    cellular    commonplace    metatranscriptomic    life    phylogenomic    living    metagenomics    thaumarchaeota    give    accessible    edge    closest    cutting    lokiarchaeota    ancestry    direct    arose    reconstructing    ecological    reconstruct    thermophilic    evolutionary    group    sole    traits    harbor    moderate    biology    enigma    lineages    emergence    molecular    least    prokaryotic   

Project "TACKLE" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITAT WIEN 

Organization address
address: UNIVERSITATSRING 1
city: WIEN
postcode: 1010
website: www.univie.ac.at

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Austria [AT]
 Project website https://archaea.univie.ac.at/research/christa-schleper-lab/tack-and-lokiarchaeota-evolution/
 Total cost 2˙500˙000 €
 EC max contribution 2˙500˙000 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-AdG
 Funding Scheme ERC-ADG
 Starting year 2016
 Duration (year-month-day) from 2016-08-01   to  2021-07-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITAT WIEN AT (WIEN) coordinator 2˙500˙000.00

Map

 Project objective

The emergence of complex eukaryotic life forms on Earth from prokaryotic cells is one of the most fundamental questions in biology and also one of the least understood transitions in evolution. Phylogenomic studies recently indicated that the eukaryotic line of descent arose from within the TACKL superphylum of Archaea. This proposal addresses the systematic analysis of two newly discovered, but largely uncharacterized lineages of Archaea from this superphylum that mark crucial evolutionary transitions. Thaumarchaeota harbor unique ‘eukaryotic’ features and represent the sole group of Archaea that has successfully radiated into virtually any moderate habitat on Earth. The Lokiarchaeota lineage found recently in deep marine sediments forms a direct sister group of Eukaryotes and exhibits an unprecedented array of genes that might have been instrumental for the ancestor of eukaryotes to develop its cellular and genomic complexity. Obviously, the molecular and biochemical investigation of both groups is timely and important, yet, it requires easy access and cultivation. We have now discovered Lokiarchaeota in local, accessible environments and were able to successfully cultivate thermophilic Thaumarchaeota. In this proposal, we will characterize the metabolic and structural traits of these two archaeal lineages and reconstruct their evolutionary ancestry in the context of the TACKL superphylum. Beside the use of cutting edge techniques for cultivation, metagenomics and stable-isotope-based imaging, a novel method will be developed for in situ metatranscriptomic analyses of archaea. This project will give fundamental insights into the ecological success of Archaea in commonplace environments and into the biology of the closest living prokaryotic relatives of Eukaryotes. Reconstructing the ancestral gene repertoire and biological features of lineages of the TACKL superphylum will help resolve the enigma of the emergence of eukaryotes.

 Publications

year authors and title journal last update
List of publications.
2018 Ricardo J. Eloy Alves, Bui Quang Minh, Tim Urich, Arndt von Haeseler, Christa Schleper
Unifying the global phylogeny and environmental distribution of ammonia-oxidising archaea based on amoA genes
published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-018-03861-1
Nature Communications 9/1 2019-10-09
2018 Jessica A Kozlowski
Microbial diversity of a closed salt lagoon in the Puertecitos area, Upper Gulf of California
published pages: 71-90, ISSN: 0185-3880, DOI: 10.7773/cm.v44i2.2825
Ciencias Marinas 44/2 2019-10-09
2018 Sophie S. Abby, Michael Melcher, Melina Kerou, Mart Krupovic, Michaela Stieglmeier, Claudia Rossel, Kevin Pfeifer, Christa Schleper
Candidatus Nitrosocaldus cavascurensis, an Ammonia Oxidizing, Extremely Thermophilic Archaeon with a Highly Mobile Genome
published pages: , ISSN: 1664-302X, DOI: 10.3389/fmicb.2018.00028
Frontiers in Microbiology 9 2019-10-09
2019 Ricardo J. Eloy Alves, Melina Kerou, Anna Zappe, Romana Bittner, Sophie S. Abby, Heiko A. Schmidt, Kevin Pfeifer, Christa Schleper
Ammonia Oxidation by the Arctic Terrestrial Thaumarchaeote Candidatus Nitrosocosmicus arcticus Is Stimulated by Increasing Temperatures
published pages: , ISSN: 1664-302X, DOI: 10.3389/fmicb.2019.01571
Frontiers in Microbiology 10 2019-10-03
2017 Felix J. Elling, Martin Könneke, Graeme W. Nicol, Michaela Stieglmeier, Barbara Bayer, Eva Spieck, José R. de la Torre, Kevin W. Becker, Michael Thomm, James I. Prosser, Gerhard J. Herndl, Christa Schleper, Kai-Uwe Hinrichs
Chemotaxonomic characterisation of the thaumarchaeal lipidome
published pages: 2681-2700, ISSN: 1462-2912, DOI: 10.1111/1462-2920.13759
Environmental Microbiology 19/7 2019-06-13

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