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InPhoTime SIGNED

Insect Photoperiodic Timer

Total Cost €

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EC-Contrib. €

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Partnership

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 InPhoTime project word cloud

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

insect    bases    underpinning    measuring    regions    mechanism    physiological    expressing    environment    insects    diapause    ideal    causally    genetically    suitable    dependent    arrest    differences    spatial    regulation    sensing    geographic    explore    natural    reproductive    linden    seasonality    editing    precisely    timer    tested    correlating    pest    characterization    changing    tractable    daylength    genes    underlying    strategies    input    backfilling    lack    output    tools    backgrounds    anatomical    basis    timing    circadian    reporters    temperate    clock    mechanisms    combine    alter    players    variability    models    genetic    animals    genome    seasonal    original    examine    elusive    regulating    seasons    phenotypic    survive    model    aspires    employ    techniques    adverse    microsurgery    markers    anticipate    living    complementary    phenotypes    relationship    anatomically    vivo    molecular    interference    critical    screen    neuronal    photoperiod    fluorescent    first    implications    photoperiodic    deciphering    clear    innovative    contributed    apterus    pyrrhocoris    bug    rna    brain    variants   

Project "InPhoTime" data sheet

The following table provides information about the project.

Coordinator
Biologicke centrum AV CR, v. v. i. 

Organization address
address: Branisovska 31
city: CESKE BUDEJOVICE
postcode: 370 05
website: www.bc.cas.cz

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 Czech Republic [CZ]
 Total cost 2˙000˙000 €
 EC max contribution 2˙000˙000 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-COG
 Funding Scheme ERC-COG
 Starting year 2017
 Duration (year-month-day) from 2017-04-01   to  2022-03-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    Biologicke centrum AV CR, v. v. i. CZ (CESKE BUDEJOVICE) coordinator 2˙000˙000.00

Map

 Project objective

Daylength measuring devices such as the photoperiodic timer enable animals to anticipate and thus survive adverse seasons. This ability has contributed to the great success of insects living in temperate regions. Yet the basis of photoperiodic sensing remains elusive, because of the lack of suitable genetic models expressing photoperiod-dependent seasonal phenotypes. We have developed the linden bug, Pyrrhocoris apterus, into a genetically tractable model with a robust, photoperiod-dependent reproductive arrest (diapause). With the available tools, this insect has become ideal for deciphering the regulation of seasonality. The project has 3 clear and ambitious objectives: 1). Our goal is to define the molecular and anatomical bases of the photoperiodic timer. To achieve this, we propose to identify photoperiodic timer genes, genes regulating input to the timer, and early output markers, through an RNA interference screen(s). To define the molecular mechanism of the timer, we will employ genome editing to precisely alter properties of the key players. 2). Next, we will combine techniques of neuronal backfilling, in-vivo fluorescent reporters, and microsurgery to define the photoperiodic timer anatomically and to examine its spatial relationship to the circadian clock in the insect brain. 3). We will exploit the great natural geographic variability of photoperiodic timing in P. apterus to explore its genetic basis. Genetic variants correlating with phenotypic differences will be causally tested by genome editing within the original genetic backgrounds. Both the established and the innovative strategies provide a complementary approach to the first molecular characterization of the seasonal photoperiodic timer in insects. The proposed research aspires to explain mechanisms underlying the critical physiological adaptation to changing seasons. Deciphering mechanisms underpinning widespread adaptation might bring general implications for environment-friendly pest control.

 Publications

year authors and title journal last update
List of publications.
2019 Joanna Kotwica-Rolinska, Lenka Chodakova, Daniela Chvalova, Lucie Kristofova, Iva Fenclova, Jan Provaznik, Maly Bertolutti, Bulah Chia-Hsiang Wu, David Dolezel
CRISPR/Cas9 Genome Editing Introduction and Optimization in the Non-model Insect Pyrrhocoris apterus
published pages: , ISSN: 1664-042X, DOI: 10.3389/fphys.2019.00891
Frontiers in Physiology 10 2020-02-13
2019 Samarjeet Singh, Astrid Giesecke, Milena Damulewicz, Silvie Fexova, Gabriella M. Mazzotta, Ralf Stanewsky, David Dolezel
New Drosophila Circadian Clock Mutants Affecting Temperature Compensation Induced by Targeted Mutagenesis of Timeless
published pages: , ISSN: 1664-042X, DOI: 10.3389/fphys.2019.01442
Frontiers in Physiology 10 2020-02-13
2018 Tomáš Ditrich, Václav Janda, Hana Vaněčková, David Doležel
Climatic Variation of Supercooling Point in the Linden Bug Pyrrhocoris apterus (Heteroptera: Pyrrhocoridae)
published pages: 144, ISSN: 2075-4450, DOI: 10.3390/insects9040144
Insects 9/4 2019-12-02

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