Explore the words cloud of the ChemoSense project. It provides you a very rough idea of what is the project "ChemoSense" about.
The following table provides information about the project.
MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV
|Coordinator Country||Germany [DE]|
|Total cost||171˙460 €|
|EC max contribution||171˙460 € (100%)|
1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
|Duration (year-month-day)||from 2016-12-01 to 2019-01-28|
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|1||MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV||DE (MUENCHEN)||coordinator||171˙460.00|
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.
|year||authors and title||journal||last update|
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|
Stefan Pentzold, Antje Burse, Wilhelm Boland
Contact chemosensation in the poplar leaf beetle, Chrysomela populi â€“ first molecular, chemical and behavioural insights.
published pages: 35-36, ISSN: , DOI:
|Entomology Congress 2017 March 2017||2019-08-30|
Stefan Pentzold, FrÃ©dÃ©ric 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|
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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