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@ARTICLE{Hnninghaus:867681,
author = {Hünninghaus, Maike and Dibbern, Dörte and Kramer, Susanne
and Koller, Robert and Pausch, Johanna and Schloter-Hai,
Brigitte and Urich, Tim and Kandeler, Ellen and Bonkowski,
Michael and Lueders, Tillmann},
title = {{D}isentangling carbon flow across microbial kingdoms in
the rhizosphere of maize},
journal = {Soil biology $\&$ biochemistry},
volume = {134},
issn = {0038-0717},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2019-06297},
pages = {122 - 130},
year = {2019},
abstract = {Numerous 13CO2 labeling studies have traced the flow of
carbon from fresh plant exudates into rhizosphere bacterial
communities. However, the succession of the uptake of carbon
leaving the roots by distinct rhizospheremicrobiota has
rarely been resolved between microbial kingdoms. This can
provide valuable insights on the niche partitioning of
primary rhizodeposit consumption, as well as on community
interactions in plant-derivedcarbon flows in soil. Here, we
have traced the flow of fresh plant assimilates to
rhizosphere microbiota of maize (Zea mays L.) by rRNA-stable
isotope probing (SIP). Carbon flows involving bacteria,
unicellular fungi, as well asprotists were observed over 5
and 8 days. Surprisingly, labeling of Paraglomerales and
several bacteria including Opitutus, Mucliaginibacter and
Massilia spp. was especially apparent in soil surrounding
the strict rhizosphere after 5 d. This highlights the
central role of arbuscular mycorrhizal fungi (AMF) as a
shunt for fresh plant assimilates to soil microbes not
directly influenced by root exudation. Distinct trophic webs
involving different flagellates, amoeba and ciliates were
also observed in rhizosphere and surrounding soil, while
labeling of filamentous saprotrophic Ascomycota or
Basidiomycota was not apparent. This challenges the proposed
“sapro-rhizosphere” concept and demonstrates the utility
of rRNA-SIP to disentangle inter-kingdom microbial
relationships in the rhizosphere.},
cin = {IBG-2},
ddc = {540},
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:000467508000015},
doi = {10.1016/j.soilbio.2019.03.007},
url = {https://juser.fz-juelich.de/record/867681},
}