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ChemoSense

Elucidating the Mechanisms of Insect’s Chemical Taste to Understand Specific Host-Plant Selection

Total Cost €

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EC-Contrib. €

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Partnership

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 ChemoSense project word cloud

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

knock    herbivorous    function    worldwide    respectively    feed    tissue    transcriptome    reject    alternatively    reproductive    huge    encoding    receptors    detected    leaf    beetle    economically    agricultural    oviposition    regulators    rnai    global    salicin    pest    food    sense    species    recordings    shed    forestry    rna    decide    transcript    electrophysiological    chemicals    feeding    mating    gustatory    consume    plant    gr    soluble    discriminate    chrysomela    visualisation    vitro    plants    glucoside    sequencing    mechanisms    initiate    select    vivo    hypothesised    eats    characterise    significantly    interact    beetles    sustainable    despite    survival    question    silenced    damage    stimulants    stimulant    elicit    ligand    timber    drinks    trees    unknown    candidate    mediate    specialist    fish    taste    plantations    poplar    insect    host    identification    light    relatively    expression    single    grs    surprising    insects    elucidate    animal    populi    phenolic    intake    accept    genes    enhances    certain    little    heterologous    pests    pave   

Project "ChemoSense" data sheet

The following table provides information about the project.

Coordinator
MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV 

Organization address
address: HOFGARTENSTRASSE 8
city: MUENCHEN
postcode: 80539
website: n.a.

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 Germany [DE]
 Project website http://www.insectherbivory.wordpress.com
 Total cost 171˙460 €
 EC max contribution 171˙460 € (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 2016
 Duration (year-month-day) from 2016-12-01   to  2019-01-28

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV DE (MUENCHEN) coordinator 171˙460.00

Map

 Project objective

The sense of taste enables an animal to decide what it eats and drinks. Insects are able to discriminate among soluble chemicals via their gustatory receptors (GRs) in order to accept or reject a certain food plant or initiate mating and oviposition. Despite their essential role in the insect’s overall food intake, survival and reproductive success, relatively little is known about insect GRs, especially in beetles. This is surprising given their importance as agricultural and forestry pests, their global distribution and huge species number as herbivorous insects. I aim to identify and characterise GRs that mediate host plant selection in a specialist poplar leaf beetle, Chrysomela populi. These beetles feed on economically important poplar trees and damage timber plantations worldwide. It is hypothesised that the phenolic glucoside salicin in poplar is a major taste stimulant for C. populi and enhances feeding activity. However, it is unknown how salicin or, alternatively, other taste stimulants are detected by, and interact with specific GRs in C. populi to elicit feeding behaviour. I will elucidate these mechanisms by (i) identification of candidate genes encoding GRs in C. populi via tissue specific transcriptome sequencing and transcript visualisation via RNA-FISH, (ii) knock-down of single GR genes via RNAi to test the feeding behaviour of RNAi-silenced beetles, and (iii) test whether any of the taste stimulants from poplar function as in vivo and in vitro ligand for specific C. populi GRs by tissue-specific electrophysiological recordings and heterologous expression, respectively. These results will shed new light on the question how GRs function as regulators for herbivorous beetles to select and consume specific plants, which will significantly advance our knowledge in understanding host plant selection. As poplar leaf beetles are important pests, the results may also pave the way for timely development of sustainable pest management in forestry.

 Publications

year authors and title journal last update
List of publications.
2017 Stefan Pentzold, Antje Burse, Wilhelm Boland
Contact chemosensation of phytochemicals by insect herbivores
published pages: 478-483, ISSN: 0265-0568, DOI: 10.1039/C7NP00002B
Nat. Prod. Rep. 34/5 2019-08-30
2017 Stefan Pentzold, Antje Burse, Wilhelm Boland
Contact chemosensation in the poplar leaf beetle, Chrysomela populi – first molecular, chemical and behavioural insights.
published pages: 35-36, ISSN: , DOI:
Entomology Congress 2017 March 2017 2019-08-30
2019 Stefan Pentzold, Frédéric Marion-Poll, Veit Grabe, Antje Burse
Autofluorescence-Based Identification and Functional Validation of Antennal Gustatory Sensilla in a Specialist Leaf Beetle
published pages: 1-9, ISSN: 1664-042X, DOI: 10.3389/fphys.2019.00343
Frontiers in Physiology 10 2019-08-30
2018 Stefan Pentzold, Veit Grabe, Andrei Ogonkov, Lydia Schmidt, Wilhelm Boland, Antje Burse
Silencing cuticular pigmentation genes enables RNA FISH in intact insect appendages
published pages: jeb185710, ISSN: 0022-0949, DOI: 10.1242/jeb.185710
The Journal of Experimental Biology 221/18 2019-08-30

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

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