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@ARTICLE{Grams:827047,
author = {Grams, T. E. E. and Tarkka, M. T. and Angay, O. and Bacht,
M. and Bönn, M. and Feldhahn, L. and Kurth, F. and
Maboreke, H. and Mailander, S. and Recht, S. and
Fleischmann, F. and Ruess, L. and Schädler, M. and Scheu,
S. and Schrey, S. and Buscot, F. and Graf, M and Herrmann,
S},
title = {{E}ndogenous rhythmic growth, a trait suitable for the
study of interplays between multitrophic interactions and
tree development},
journal = {Perspectives in plant ecology, evolution and systematics},
volume = {19},
issn = {1433-8319},
address = {München},
publisher = {Elsevier},
reportid = {FZJ-2017-01253},
pages = {40 - 48},
year = {2016},
abstract = {As long-lived organisms, trees use resources to support
both growth and below- and aboveground trophic interactions.
Resources fluctuate in relation to periods of growth cease
that are regulated by internal and external factors, and
these fluctuations feed backs to trophic partners. Some
major forest trees display an endogenous growth rhythm, and
related pulses of variation in allocation of resources have
been detected. As this trait makes it possible to separate
growth into defined phases, it offers an opportunity to
disentangle the intermingled complex regulation of growth
and multitrophic interactions in trees. We present
“TrophinOak”, a platform using microcuttings of
pedunculated oak, a tree that displays endogenous rhythmic
growth characterized by alternating shoot and root growth
flushes. We select seven beneficial or detrimental above-
and belowground partners including animals (Lymantria
dispar, Pratylenchus penetrans, Protaphorura armata), fungi
(Piloderma croceum, Microsphaera alphitoides, Phytophthora
quercina) and bacteria (Streptomyces sp.), to synthesize bi-
and tripartite trophic interactions, including
ectomycorrhizal symbioses, and monitor fluctuations of
carbon and nitrogen allocation as well as plant gene
expression at distinct phases of oak growth. We use this
model to identify and resolve the experimental challenges
inherent in synthesizing diverse types of associations in a
common microcosm system, in labeling plants with stable N
and C isotopes and in analyzing transcripts in a non-model
plant, a process which requires generating a specific contig
library. We develop hypotheses and experimental design to
test them in order to identify core mechanisms that help
trees to modulate their own development and their
multitrophic interactions for optimizing their long term
performance in their environment. First results constitute a
proof of concept that the platform works and enables us to
test the hypotheses.},
cin = {IBG-2},
ddc = {580},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {582 - Plant Science (POF3-582)},
pid = {G:(DE-HGF)POF3-582},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000384272800005},
doi = {10.1016/j.ppees.2016.02.003},
url = {https://juser.fz-juelich.de/record/827047},
}