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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.

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

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.
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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

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 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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