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@ARTICLE{Schulz:857943,
author = {Schulz, Margot and Hofmann, Diana and Sicker, Dieter and
Hennig, Lothar and Schütz, Vadim and Preusche, Matthias and
Thiele, Björn},
title = {{P}antoea ananatis {C}onverts {MBOA} to
6-{M}ethoxy-4-nitrobenzoxazolin-2(3{H})-one ({NMBOA}) for
{C}ooperative {D}egradationwith its {N}ative {R}oot
{C}olonizing {M}icrobial {C}onsortium},
journal = {Natural product communications},
volume = {13},
number = {10},
issn = {1555-9475},
address = {Westerville, Ohio},
publisher = {NPC},
reportid = {FZJ-2018-06897},
pages = {1275-1278},
year = {2018},
abstract = {6-Methoxy-benzoxazolin-2(3H)-one (MBOA) is a degradation
product derived from
2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one
(DIMBOA),one of the bioactive compounds found e.g., in
maize. Here we present hitherto unknown
6-methoxy-4-nitro-benzoxazolin-2(3H)-one (NMBOA) produced
inCzapek medium by Pantoea ananatis (Enterobacteriaceae). P.
ananatis is a member of a microbial consortium dominated by
the zygomycete Actinomucorelegans, which was isolated from
roots of Abutilon theophrasti. NMBOA was identified by NMR
spectra and HR-ESI-MS analyses, revealing an unusualposition
of the nitro group at C-4. Nitration of MBOA initiates the
degradation of the compound that is almost completed within
three days by the entireconsortium and isolated P. ananatis.
The yeast Papiliotrema baii, another member of the
consortium, is unable to degrade NMBOA but stored it at the
surfaceof its polysacchararide capsule. NMBOA has negative
effects on microbial growth in liquid medium whereas
seedlings of Brassica oleracea var. gongylodesL. (kohlrabi)
or Lepidium sativum (cress) are not impaired up to 500 μM.
Degradation via nitration may be important to understand the
behavior of microbialspecies and effects of microbiomes when
exposed to MBOA.},
cin = {IBG-3},
ddc = {610},
cid = {I:(DE-Juel1)IBG-3-20101118},
pnm = {255 - Terrestrial Systems: From Observation to Prediction
(POF3-255)},
pid = {G:(DE-HGF)POF3-255},
typ = {PUB:(DE-HGF)16},
url = {https://juser.fz-juelich.de/record/857943},
}