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DORMANTOOCYTE SIGNED

Understanding the Balbiani body: A super-organelle linked to dormancy in oocytes

Total Cost €

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EC-Contrib. €

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Partnership

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 DORMANTOOCYTE project word cloud

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

mechanisms    oocytes    employ    decades    proteomics    compartment    specialised    structures    handling    biochemical    regulation    balbiani    organisation    die    age    contains    ease    human    virtually    fertilisation    metabolic    body    avenues    structure    experiments    genetic    machinery    physiology    disappears    biology    species    young    periods    remarkable    organelles    complement    organism    release    genome    imaging    fundamental    mitochondria    ageing    female    cage    humans    forms    germ    nutrients    dormancy    continuity    cells    mature    give    vertebrates    led    retain    unanswered    start    amyloid    mammals    surprisingly    perturbations    survive    combine    complementary    matures    techniques    relationship    insights    bound    dormant    questions    shown    oocyte    embryo    time    protect    me    little    housekeeping    cell    generally    vertebrate    physiological    function    membrane    nature    stay    protective    frogs    reveal    disassemble    mice   

Project "DORMANTOOCYTE" data sheet

The following table provides information about the project.

Coordinator
FUNDACIO CENTRE DE REGULACIO GENOMICA 

Organization address
address: CARRER DOCTOR AIGUADER 88
city: BARCELONA
postcode: 8003
website: www.crg.es

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 Spain [ES]
 Total cost 1˙381˙286 €
 EC max contribution 1˙381˙286 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2017-STG
 Funding Scheme ERC-STG
 Starting year 2018
 Duration (year-month-day) from 2018-03-01   to  2023-02-28

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    FUNDACIO CENTRE DE REGULACIO GENOMICA ES (BARCELONA) coordinator 1˙381˙286.00

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 Project objective

Female germ cells, oocytes, are highly specialised cells. They ensure the continuity of species by providing the female genome and mitochondria along with most of the nutrients and housekeeping machinery the early embryo needs after fertilisation. Oocytes are remarkable in their ability to survive for long periods of time, up to 50 years in humans, and retain the ability to give rise to a young organism while other cells age and die. Surprisingly little is known about oocyte dormancy. A key feature of dormant oocytes of virtually all vertebrates is the presence of a Balbiani body, which is a non-membrane bound compartment that contains most of the organelles in dormant oocytes and disappears as the oocyte matures.

The goal of this proposal is to combine genetic and biochemical perturbations with imaging and the state of the art proteomics techniques to reveal the mechanisms dormant oocytes employ to remain viable. My previous research has shown that the Balbiani body forms an amyloid-like cage around organelles that could be protective. This has led me to identify the large number of unanswered questions about the cell biology of a dormant oocyte. In this proposal, we will study three of these questions: 1) What is the metabolic nature of organelles in dormant oocytes? 2) How does the Balbiani body disassemble and release the complement of organelles when oocytes start to mature? 3) What is the structure and function of the Balbiani body in mammals? We will use oocytes from two vertebrate species, frogs and mice, which are complementary for their ease of handling and relationship to human physiology.

By studying the Balbiani body, this proposal will provide fundamental insights into organisation and function of organelles in oocytes and the regulation of physiological amyloid-like structures. More generally, the proposed experiments open up new avenues into the mechanisms that protect organelles from ageing and how oocytes stay dormant for many decades.

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The information about "DORMANTOOCYTE" are provided by the European Opendata Portal: CORDIS opendata.

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