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Salivary cues: simulated roe deer browsing induces systemic changes in phytohormones and defence chemistry in wild‐grown maple and beech saplings

Publikation: Beiträge in Zeitschriften › Zeitschriftenaufsätze › Forschung › begutachtet

Standard

Salivary cues: simulated roe deer browsing induces systemic changes in phytohormones and defence chemistry in wild‐grown maple and beech saplings. / Ohse, Bettina; Hammerbacher, Almut; Seele, Carolin et al.
in: Functional Ecology, Jahrgang 31, Nr. 2, 01.02.2017, S. 340-349.

Publikation: Beiträge in Zeitschriften › Zeitschriftenaufsätze › Forschung › begutachtet

Harvard

Ohse, B, Hammerbacher, A, Seele, C, Meldau, S, Reichelt, M, Ortmann, S & Wirth, C 2017, 'Salivary cues: simulated roe deer browsing induces systemic changes in phytohormones and defence chemistry in wild‐grown maple and beech saplings', Functional Ecology, Jg. 31, Nr. 2, S. 340-349. https://doi.org/10.1111/1365-2435.12717

APA

Ohse, B., Hammerbacher, A., Seele, C., Meldau, S., Reichelt, M., Ortmann, S., & Wirth, C. (2017). Salivary cues: simulated roe deer browsing induces systemic changes in phytohormones and defence chemistry in wild‐grown maple and beech saplings. Functional Ecology, 31(2), 340-349. https://doi.org/10.1111/1365-2435.12717

Vancouver

Ohse B, Hammerbacher A, Seele C, Meldau S, Reichelt M, Ortmann S et al. Salivary cues: simulated roe deer browsing induces systemic changes in phytohormones and defence chemistry in wild‐grown maple and beech saplings. Functional Ecology. 2017 Feb 1;31(2):340-349. Epub 2016 Jul 11. doi: 10.1111/1365-2435.12717

Bibtex

@article{bf8f86d083d240d3b8dc286fb8520b9f,
title = "Salivary cues: simulated roe deer browsing induces systemic changes in phytohormones and defence chemistry in wild‐grown maple and beech saplings",
abstract = "Tree saplings in temperate forests world-wide experience intense browsing from deer and other mammalian herbivores. However, when compared to insect herbivory, our knowledge about the cues that trigger mammalian-induced defence responses in trees is limited. We studied responses of field-grown saplings of European beech (Fagus sylvatica L.) and Sycamore maple (Acer pseudoplatanus L.) to simulated browsing by (i) clipping apical buds or leaves and (ii) additionally applying roe deer (Capreolus capreolus L.) saliva to the cut surface. We analysed induced changes in phytohormones and phenolics in the saplings{\textquoteright} remaining buds or leaves, respectively. In both species, jasmonates were activated after clipping of buds and leaves. Importantly, additional saliva application activated salicylic acid in beech leaves and led to increases in cytokinins in beech buds. Saliva application also led to an increased biosynthesis of several hydrolysable tannins (mainly ellagitannins) and flavonols in maple leaves. Condensed tannins, the most abundant phenolics in beech buds and leaves, did not change after either clipping or saliva application. However, clipping with additional saliva application decreased levels of phenolic acids (cinnamic acid derivatives) in beech buds. We conclude that the two tree species perceive and respond to unknown elicitors in the deer saliva, resulting in changes in phytohormone levels and defence-associated secondary metabolites. We suggest that variation in induced defence responses between tree species as well as between buds and leaves is related to differences in morphological traits, which interrelate with chemical traits and result in species-specific strategies to respond to mammalian herbivory.",
keywords = "Ecosystems Research, Acer pseudoplatanus (Sycamore maple), Capreolus capreolus L. (European roe deer), Fagus sylvatica L. (European beech), induced defence, mammalian herbivory, phytohormones, secondary metabolites, temperate forest, Acer pseudoplatanus L. (Sycamore maple, Capreolus capreolus L. (European roe deer), Fagus sylvatica L. (European beech, induced defence, mammalian herbivory, phytohormones, secondary metabolites, temperate forest",
author = "Bettina Ohse and Almut Hammerbacher and Carolin Seele and Stefan Meldau and Michael Reichelt and Sylvia Ortmann and Christian Wirth",
year = "2017",
month = feb,
day = "1",
doi = "10.1111/1365-2435.12717",
language = "English",
volume = "31",
pages = "340--349",
journal = "Functional Ecology",
issn = "0269-8463",
publisher = "Wiley-Blackwell Publishing Ltd.",
number = "2",

}

RIS

TY - JOUR

T1 - Salivary cues

T2 - simulated roe deer browsing induces systemic changes in phytohormones and defence chemistry in wild‐grown maple and beech saplings

AU - Ohse, Bettina

AU - Hammerbacher, Almut

AU - Seele, Carolin

AU - Meldau, Stefan

AU - Reichelt, Michael

AU - Ortmann, Sylvia

AU - Wirth, Christian

PY - 2017/2/1

Y1 - 2017/2/1

N2 - Tree saplings in temperate forests world-wide experience intense browsing from deer and other mammalian herbivores. However, when compared to insect herbivory, our knowledge about the cues that trigger mammalian-induced defence responses in trees is limited. We studied responses of field-grown saplings of European beech (Fagus sylvatica L.) and Sycamore maple (Acer pseudoplatanus L.) to simulated browsing by (i) clipping apical buds or leaves and (ii) additionally applying roe deer (Capreolus capreolus L.) saliva to the cut surface. We analysed induced changes in phytohormones and phenolics in the saplings’ remaining buds or leaves, respectively. In both species, jasmonates were activated after clipping of buds and leaves. Importantly, additional saliva application activated salicylic acid in beech leaves and led to increases in cytokinins in beech buds. Saliva application also led to an increased biosynthesis of several hydrolysable tannins (mainly ellagitannins) and flavonols in maple leaves. Condensed tannins, the most abundant phenolics in beech buds and leaves, did not change after either clipping or saliva application. However, clipping with additional saliva application decreased levels of phenolic acids (cinnamic acid derivatives) in beech buds. We conclude that the two tree species perceive and respond to unknown elicitors in the deer saliva, resulting in changes in phytohormone levels and defence-associated secondary metabolites. We suggest that variation in induced defence responses between tree species as well as between buds and leaves is related to differences in morphological traits, which interrelate with chemical traits and result in species-specific strategies to respond to mammalian herbivory.

AB - Tree saplings in temperate forests world-wide experience intense browsing from deer and other mammalian herbivores. However, when compared to insect herbivory, our knowledge about the cues that trigger mammalian-induced defence responses in trees is limited. We studied responses of field-grown saplings of European beech (Fagus sylvatica L.) and Sycamore maple (Acer pseudoplatanus L.) to simulated browsing by (i) clipping apical buds or leaves and (ii) additionally applying roe deer (Capreolus capreolus L.) saliva to the cut surface. We analysed induced changes in phytohormones and phenolics in the saplings’ remaining buds or leaves, respectively. In both species, jasmonates were activated after clipping of buds and leaves. Importantly, additional saliva application activated salicylic acid in beech leaves and led to increases in cytokinins in beech buds. Saliva application also led to an increased biosynthesis of several hydrolysable tannins (mainly ellagitannins) and flavonols in maple leaves. Condensed tannins, the most abundant phenolics in beech buds and leaves, did not change after either clipping or saliva application. However, clipping with additional saliva application decreased levels of phenolic acids (cinnamic acid derivatives) in beech buds. We conclude that the two tree species perceive and respond to unknown elicitors in the deer saliva, resulting in changes in phytohormone levels and defence-associated secondary metabolites. We suggest that variation in induced defence responses between tree species as well as between buds and leaves is related to differences in morphological traits, which interrelate with chemical traits and result in species-specific strategies to respond to mammalian herbivory.

KW - Ecosystems Research

KW - Acer pseudoplatanus (Sycamore maple)

KW - Capreolus capreolus L. (European roe deer)

KW - Fagus sylvatica L. (European beech)

KW - induced defence

KW - mammalian herbivory

KW - phytohormones

KW - secondary metabolites

KW - temperate forest

KW - Acer pseudoplatanus L. (Sycamore maple

KW - Capreolus capreolus L. (European roe deer)

KW - Fagus sylvatica L. (European beech

KW - induced defence

KW - mammalian herbivory

KW - phytohormones

KW - secondary metabolites

KW - temperate forest

UR - http://www.scopus.com/inward/record.url?scp=84982943669&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/1b533cb2-a9d2-3ad6-91e0-c575fdde2d09/

U2 - 10.1111/1365-2435.12717

DO - 10.1111/1365-2435.12717

M3 - Journal articles

VL - 31

SP - 340

EP - 349

JO - Functional Ecology

JF - Functional Ecology

SN - 0269-8463

IS - 2

ER -

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