Microbial Cell Factories,
Journal Year:
2022,
Volume and Issue:
21(1)
Published: Oct. 10, 2022
Abstract
Background
Glucoside
natural
products
have
been
showing
great
medicinal
values
and
potentials.
However,
the
production
of
glucosides
by
plant
extraction,
chemical
synthesis,
traditional
biotransformation
is
insufficient
to
meet
fast-growing
pharmaceutical
demands.
Microbial
synthetic
biology
offers
promising
strategies
for
synthesis
diversification
glycosides.
Results
In
this
study,
two
efficient
UDP-glucosyltransferases
(UGTs)
(UGT85A1
RrUGT3)
origin,
that
are
capable
recognizing
phenolic
aglycons,
characterized
in
vitro.
The
UGTs
show
complementary
regioselectivity
towards
alcoholic
hydroxyl
groups
on
substrates.
By
combining
a
developed
alkylphenol
bio-oxidation
system
these
UGTs,
twenty-four
enzymatically
synthesized
from
readily
accessible
Based
glycosylation
systems,
number
microbial
cell
factories
constructed
applied
biotransformation,
giving
rise
variety
plant-like
O
-glucosides.
Remarkably,
several
unnatural
-glucosides
prepared
demonstrate
better
prolyl
endopeptidase
inhibitory
and/or
anti-inflammatory
activities
than
those
clinically
used
glucosidic
drugs
including
gastrodin,
salidroside
helicid.
Furthermore,
also
able
catalyze
formation
N
-
S
-glucosidic
bonds
produce
Conclusions
Two
highly
UGT85A1
RrUGT3,
with
distinct
were
study.
A
group
efficiently
cell-based
using
UGTs.
Many
exhibited
PEP
or
plant-origin
glucoside
drugs,
significant
potentials
new
drug
development.
Antioxidants,
Journal Year:
2022,
Volume and Issue:
11(8), P. 1618 - 1618
Published: Aug. 20, 2022
The
antioxidant,
anti-inflammatory
and
antibacterial
activities
of
hesperetin,
hesperidin
glucoside
with
different
solubility
were
compared
in
vitro.
Hesperetin
was
prepared
by
enzymatic
hydrolysis
from
hesperidin,
composed
mono-glucoside
through
transglycosylation.
Solubility
the
compounds
different:
partition
coefficient
(log
P)
2.85
±
0.02
for
2.01
-3.04
0.03
glucoside.
showed
a
higher
effect
than
on
radical
scavenging
activity
antioxidant
assays,
while
similar
activity.
Cytotoxicity
low
order
glucoside,
hesperetin
murine
macrophage
RAW264.7
cells.
Treatment
cells
each
compound
reduced
levels
inflammatory
mediators,
nitric
oxide
(NO),
prostaglandin
E2
(PGE2),
tumor
necrosis
factor
alpha
(TNF-α)
interleukin-6
(IL-6).
most
effective
at
relatively
concentrations,
however,
also
concentration.
both
Gram-positive
-negative
bacteria,
similarly
depending
bacterial
strain.
In
conclusion,
form
aglycone
more
potent
biological
However,
highly
soluble
form,
has
been
shown
to
increase
poorly
hesperidin.
Foods,
Journal Year:
2023,
Volume and Issue:
12(17), P. 3315 - 3315
Published: Sept. 3, 2023
Polyphenols,
as
common
components
with
various
functional
activities
in
plants,
have
become
a
research
hotspot.
However,
researchers
found
that
the
bioavailability
and
bioactivity
of
plant
polyphenols
is
generally
low
because
they
are
usually
form
tannins,
anthocyanins
glycosides.
Polyphenol-rich
fermented
foods
(PFFs)
reported
to
better
than
polyphenol-rich
foods,
used
substrates
during
food
fermentation
hydrolyzed
into
smaller
phenolic
compounds
(such
quercetin,
kaempferol,
gallic
acid,
ellagic
etc.)
higher
by
polyphenol-associated
enzymes
(PAEs,
e.g.,
tannases,
esterases,
acid
decarboxylases
glycosidases).
Biotransformation
pathways
different
PAEs
secreted
microorganisms
different.
Meanwhile,
could
also
promote
growth
beneficial
bacteria
process
while
inhibiting
pathogenic
bacteria.
Therefore,
PFFs,
there
must
be
an
interactive
relationship
between
microorganisms.
The
present
study
integration
analysis
interaction
mechanism
PFFs
systematically
elaborated.
will
provide
some
new
insights
explore
greater
exploitation
availability
polyphenols)
plant-derived
foods.
Journal of Agricultural and Food Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 6, 2025
Based
on
molecular
networking-guided
isolation,
15
previously
undescribed
hydrogenated
phenanthrene
glycosides,
including
eight
hexahydro-phenanthrenone
four
tetrahydro-phenanthrenone
one
dihydro-phenanthrenol
glycoside,
two
dimers,
and
known
dihydrophenanthrene
were
isolated
from
Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
72(10), P. 5428 - 5438
Published: Feb. 28, 2024
Food-fermenting
lactobacilli
convert
glycosylated
phytochemicals
to
glycosyl
hydrolases
and
thereby
alter
their
biological
activity.
This
study
aimed
investigate
the
microbial
transformation
of
β-glucosides
in
comparison
with
utilization
cellobiose.
Four
homofermentative
four
heterofermentative
were
selected
represent
metabolic
diversity
Lactobacillaceae.
The
genomes
Lactobacillus
crispatus,
Companilactobacillus
paralimentarius,
Lacticaseibacillus
paracasei,
Lactiplantibacillus
plantarum
encoded
for
8
22
enzymes,
predominantly
phospho-β-glucosidases,
predicted
activity
on
β-glucosides.
Levilactobacillus
hammesii
Furfurilactobacillus
milii
3
β-glucosidases,
rossiae
one,
Fructilactobacillus
sanfranciscensis
none.
hydrolysis
amygdalin,
esculin,
salicin,
glucosides
quercetin
genistein,
ginsenosides
demonstrated
that
several
strains
hydrolyzed
but
not
Taken
together,
carbohydrate-active
enzymes
food-fermenting
are
specific
glycosides
phytochemicals.
Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
72(45), P. 24908 - 24927
Published: Oct. 31, 2024
Ancient
humans
used
dietary
plants
and
herbs
to
treat
disease
pursue
eternal
life.
Today,
phytochemicals
in
have
been
shown
be
the
active
ingredients,
some
of
which
antiaging
longevity-promoting
effects.
Here,
we
summarize
210
herbs,
systematically
classify
them
into
8
groups.
We
found
that
all
groups
can
categorized
six
areas
regulate
organism
longevity:
ROS
levels,
nutrient
sensing
network,
mitochondria,
autophagy,
gut
microbiota,
lipid
metabolism.
review
role
these
processes
aging
molecular
mechanism
health
benefits
through
phytochemical-mediated
regulation.
Among
these,
how
promote
longevity
microbiota
metabolism
is
rarely
highlighted
field.
Our
understanding
mechanisms
based
on
above
aspects
may
provide
a
theoretical
basis
for
further
development
drugs
new
insights
promotion
human
longevity.
Antioxidants,
Journal Year:
2021,
Volume and Issue:
10(11), P. 1852 - 1852
Published: Nov. 22, 2021
is
a
valuable
medicinal
plant
species
widely
distributed
in
Asia.
Its
root
the
main
tissue
rich
methoxylated
flavonoids.
Origin
can
highly
influence
chemical
composition
and
bioactivity.
To
characterize
principal
chemicals
influenced
by
origin
provide
more
information
about
their
antioxidant
profile,
extracts
of
Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
96(29), P. 11699 - 11706
Published: July 11, 2024
Understanding
of
how
soil
organic
matter
(SOM)
chemistry
is
altered
in
a
changing
climate
has
advanced
considerably;
however,
most
SOM
components
remain
unidentified,
impeding
the
ability
to
characterize
major
fraction
and
predict
what
types
molecules,
from
which
sources,
will
persist
soil.
We
present
novel
approach
better
extracts
by
integrating
information
three
analyses,
we
deploy
this
method
decaying
root-detritus
microcosms
subjected
either
drought
or
normal
conditions.
To
observe
broad
differences
composition,
employed
direct
infusion
Fourier-transform
ion
cyclotron
resonance
mass
spectrometry
(DI-FT-ICR
MS).
complemented
with
liquid
chromatography
tandem
(LC-MS/MS)
identify
library
matching.
Since
libraries
contain
only
small
components,
also
used
fragment
spectral
cosine
similarity
scores
relate
unknowns
matches
through
molecular
networks.
This
integrated
allowed
us
corroborate
DI-FT-ICR
MS
formulas
using
matches,
included
fungal
metabolites
related
polyphenolic
compounds.
inferred
structures
networks
improved
LC-MS/MS
annotation
rates
∼5
35%
considering
formula
assignments.
Under
conditions,
found
greater
relative
amounts
lignin-like
vs
condensed
aromatic
polyphenol
lower
average
nominal
oxidation
state
carbon,
suggesting
reduced
decomposition
and/or
microbes
under
stress.
Our
provides
framework
for
enhanced
that
more
comprehensive
than
performing
individual
data
analyses
parallel.