The role of electrical and jasmonate signalling in the recognition of captured prey in the carnivorous sundew plant Drosera capensis

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F17%3A73580428" target="_blank" >RIV/61989592:15310/17:73580428 - isvavai.cz</a>

Alternative codes found

RIV/61389030:_____/17:00477122

Result on the web

<a href="http://onlinelibrary.wiley.com/doi/10.1111/nph.14352/full" target="_blank" >http://onlinelibrary.wiley.com/doi/10.1111/nph.14352/full</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1111/nph.14352" target="_blank" >10.1111/nph.14352</a>

Result language

angličtina

Original language name

The role of electrical and jasmonate signalling in the recognition of captured prey in the carnivorous sundew plant Drosera capensis

Original language description

The carnivorous sundew plant (Drosera capensis) captures prey using sticky tentacles. We investigated the tentacle and trap reactions in response to the electrical and jasmonate signalling evoked by different stimuli to reveal how carnivorous sundews recognize digestible captured prey in their traps. We measured the electrical signals, phytohormone concentration, enzyme activities and Chla fluorescence in response to mechanical stimulation, wounding or insect feeding in local and systemic traps. Seven new proteins in the digestive fluid were identified using mass spectrometry. Mechanical stimuli and live prey induced a fast, localized tentacle-bending reaction and enzyme secretion at the place of application. By contrast, repeated wounding induced a nonlocalized convulsive tentacle movement and enzyme secretion in local but also in distant systemic traps. These differences can be explained in terms of the electrical signal propagation and jasmonate accumulation, which also had a significant impact on the photosynthesis in the traps. The electrical signals generated in response to wounding could partially mimic a mechanical stimulation of struggling prey and might trigger a false alarm, confirming that the botanical carnivory and plant defence mechanisms are related. To trigger the full enzyme activity, the traps must detect chemical stimuli from the captured prey.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10610 - Biophysics

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2017

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

New Phytologist

ISSN

0028-646X

e-ISSN

—

Volume of the periodical

213

Issue of the periodical within the volume

4

Country of publishing house

GB - UNITED KINGDOM

Number of pages

18

Pages from-to

1818-1835

UT code for WoS article

000397238600027

EID of the result in the Scopus database

2-s2.0-85006716570