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Gap2bridge

Bridging the gap: an evolutionary genomics approach to illuminate the prokaryote-to-eukaryote transition.

Total Cost €

0

EC-Contrib. €

0

Partnership

0

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 Gap2bridge project word cloud

Explore the words cloud of the Gap2bridge project. It provides you a very rough idea of what is the project "Gap2bridge" about.

latter    genome    proteins    emphasis    unclear    eukaryote    eukarya    cellular    modern    evolutionary    bacteria    biology    tree    branching    itself    subcellular    origin    lineages    microorganisms    life    lokiarchaeota    immense    genomic    archaea    phylogenomics    computational    contribution    deep    prokaryote    multicellular    lineage    sciences    ancestors    origins    phylogenomic    types    metagenomics    cell    age    signature    altogether    deeper    discovered    insights    eukaryotes    purpose    trace    emergence    data    gap    entirely    organelles    content    placement    unprecedented    innovative    prokaryotes    archaeal    gain    esps    forms    back    diversity    ancestor    combined    subsequent    mapping    uncultivated    genomics    eukaryotic    unicellular    gene    fascinating    transition    colossal    enigmas    molecular    evolution    nature    newly    sequence    last    illuminate    displaying    integrate    domains    disciplines    infer    elucidating    first   

Project "Gap2bridge" data sheet

The following table provides information about the project.

Coordinator
UPPSALA UNIVERSITET 

Organization address
address: VON KRAEMERS ALLE 4
city: UPPSALA
postcode: 751 05
website: www.uu.se

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
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 Coordinator Country Sweden [SE]
 Project website http://www.ettemalab.com
 Total cost 173˙857 €
 EC max contribution 173˙857 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2015
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2017
 Duration (year-month-day) from 2017-01-01   to  2018-12-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UPPSALA UNIVERSITET SE (UPPSALA) coordinator 173˙857.00

Map

 Project objective

Eukarya – one of the three Domains of Life along with Archaea and Bacteria (i.e. prokaryotes) – include all complex multicellular life forms, as well as a colossal diversity of unicellular microorganisms. At the cellular level, the gap between prokaryotes and eukaryotes is immense, with the latter cell types displaying a large number of complex subcellular organelles and molecular systems. The evolutionary origin of these unique features, and thus of the eukaryotic cell itself, remains one of the most fascinating enigmas in modern biology. Although many eukaryotic-signature proteins (ESPs) are known to trace back to the last eukaryotic common ancestor, their deeper evolutionary origins remain unclear. The major goal of the current proposal is to illuminate the prokaryote to eukaryote transition by elucidating the origin and subsequent evolution of ESPs, as well as their order of emergence. We will focus on the ESPs of archaeal origin with an emphasis on the specific contribution of the newly discovered Lokiarchaeota lineages to the origin of the eukaryotic cell. In addition, we will aim to determine the placement the eukaryote lineage within the tree of Life and infer the age of the “first eukaryote”. Finally, we will use a novel phylogenomic approach to infer the gene content of the archaeal ancestors of eukaryotes by mapping the evolution of ESPs along the tree of Life. For this purpose, we will analyse entirely novel genomic data from several uncultivated Lokiarchaeota lineages, as well as novel sequence data from deep-branching key eukaryotes. This project will integrate approaches from distinct disciplines within life sciences and computational sciences (including molecular evolution, genomics/metagenomics and cell biology), with a strong emphasis on phylogenomics. Altogether, the innovative nature of this work combined with state-of-the-art methods and novel key genome data will allow to gain unprecedented insights in the origin and early evolution of Eukarya.

 Publications

year authors and title journal last update
List of publications.
2018 Anja Spang, Laura Eme, Jimmy H. Saw, Eva F. Caceres, Katarzyna Zaremba-Niedzwiedzka, Jonathan Lombard, Lionel Guy, Thijs J. G. Ettema
Asgard archaea are the closest prokaryotic relatives of eukaryotes
published pages: e1007080, ISSN: 1553-7390, DOI: 10.1371/journal.pgen.1007080
PLOS Genetics 14/3 2019-07-25
2017 Laura Eme, Anja Spang, Jonathan Lombard, Courtney W. Stairs, Thijs J. G. Ettema
Archaea and the origin of eukaryotes
published pages: 711-723, ISSN: 1740-1526, DOI: 10.1038/nrmicro.2017.133
Nature Reviews Microbiology 15/12 2019-07-25

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