The ISME Journal,
Journal Year:
2022,
Volume and Issue:
16(9), P. 2265 - 2279
Published: June 29, 2022
Bifidobacteria
are
among
the
first
colonizers
of
infant
gut,
and
human
milk
oligosaccharides
(HMOs)
in
breastmilk
instrumental
for
formation
a
bifidobacteria-rich
microbiota.
However,
little
is
known
about
assembly
bifidobacterial
communities.
Here,
by
applying
theory
to
community
four
representative
infant-gut
associated
Bifidobacterium
species
that
employ
varied
strategies
HMO
consumption,
we
show
arrival
order
sugar
consumption
phenotypes
significantly
affected
formation.
bifidum
longum
subsp.
infantis,
two
avid
consumers,
dominate
through
inhibitory
priority
effects.
On
other
hand,
breve,
with
limited
HMO-utilization
ability,
can
benefit
from
facilitative
effects
dominates
utilizing
fucose,
an
degradant
not
utilized
species.
Analysis
publicly
available
breastfed
faecal
metagenome
data
showed
observed
trends
B.
breve
were
consistent
our
vitro
data,
suggesting
may
have
contributed
its
dominance.
Our
study
highlights
importance
history
dependency
initial
implications
maturation
trajectory
gut
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(14), P. 6237 - 6237
Published: July 22, 2024
Changes
in
land
use
patterns,
types,
and
intensities
significantly
impact
ecosystem
services.
This
study
follows
the
time
series
logic
from
history
to
expected
future
investigate
spatial
temporal
characteristics
of
changes
Ezhou
their
potential
impacts
on
services
value
(ESV).
The
results
show
that
Markov–FLUS
model
has
strong
applicability
predicting
pattern
use,
with
a
Kappa
coefficient
0.9433
FoM
0.1080.
Between
2000
2020,
construction
expanded
continuously,
while
water
area
remained
relatively
stable,
other
types
experienced
varying
degrees
contraction.
Notably,
compared
2000,
it
by
70.99%
2020.
Moreover,
watershed
9.30%
2010,
but
there
was
very
little
change
following
10
years.
Under
three
scenarios,
significant
differences
were
observed
City,
driven
human
activities,
particularly
expansion
land.
In
inertial
development
scenario,
313.39
km2
2030,
representing
38.30%
increase
Conversely,
under
farmland
protection
increased
237.66
km2,
4.89%
rise
However,
ecological
priority
253.59
10.13%
Compared
ESV
losses
inertia
scenarios
USD
4497.71
1072.23,
respectively,
2030.
scenario
2749.09,
emphasizing
importance
prioritizing
City’s
development.
may
provide
new
clues
for
formulation
regional
strategies
sustainable
restoration.
Nutrients,
Journal Year:
2024,
Volume and Issue:
16(3), P. 400 - 400
Published: Jan. 30, 2024
The
infant
gut
microbiome
plays
a
key
role
in
the
healthy
development
of
human
organism
and
appears
to
be
influenced
by
dietary
practices
through
multiple
pathways.
First,
maternal
diet
during
pregnancy
nutrition
significantly
influence
microbiota.
Moreover,
breastfeeding
fosters
proliferation
beneficial
bacteria,
while
formula
feeding
increases
microbial
diversity.
timing
introducing
solid
foods
also
influences
microbiota
composition.
In
preterm
infants
is
factors,
including
time
since
birth
intake
breast
milk,
interventions
such
as
probiotics
prebiotics
supplementation
show
promising
results
reducing
morbidity
mortality
this
population.
These
findings
underscore
need
for
future
research
understand
long-term
health
impacts
these
further
strategies
enrich
formula-fed
infants.
Microbiology and Molecular Biology Reviews,
Journal Year:
2024,
Volume and Issue:
88(1)
Published: Jan. 11, 2024
SUMMARY
Human
milk
oligosaccharides
(HMOs)
are
complex,
multi-functional
glycans
present
in
human
breast
milk.
They
represent
an
intricate
mix
of
heterogeneous
structures
which
reach
the
infant
intestine
intact
form
as
they
resist
gastrointestinal
digestion.
Therefore,
confer
a
multitude
benefits,
directly
and/or
indirectly,
to
developing
neonate.
Certain
bifidobacterial
species,
being
among
earliest
gut
colonizers
breast-fed
infants,
have
adapted
functional
capacity
metabolize
various
HMO
structures.
This
ability
is
typically
observed
infant-associated
bifidobacteria,
opposed
bifidobacteria
associated
with
mature
microbiota.
In
recent
years,
information
has
been
gleaned
regarding
how
these
well
certain
other
taxa
able
assimilate
HMOs,
including
mechanistic
strategies
enabling
their
acquisition
and
consumption.
Additionally,
complex
metabolic
interactions
occur
between
microbes
facilitated
by
utilization
breakdown
products
released
from
degradation.
Interest
HMO-mediated
changes
microbial
composition
function
focal
point
numerous
studies,
times
fueled
availability
individual
biosynthetic
some
now
commonly
included
formula.
this
review,
we
outline
main
assimilatory
catabolic
employed
discuss
that
exhibit
glycan
degradation
capacity,
cover
HMO-supported
cross-feeding
related
metabolites
described
thus
far.
Nutrients,
Journal Year:
2020,
Volume and Issue:
12(3), P. 823 - 823
Published: March 20, 2020
The
intestinal
microbiome
plays
an
important
role
in
maintaining
health
throughout
life.
microbiota
develops
progressively
after
birth
and
is
influenced
by
many
factors,
including
the
mode
of
delivery,
antibiotics,
diet.
Maternal
milk
critically
to
development
neonatal
microbiota.
Different
bioactive
components
milk,
such
as
human
oligosaccharides,
lactoferrin,
secretory
immunoglobulins,
modify
composition
In
this
article,
we
review
each
these
maternal
milk-derived
factors
on
how
modulation
bacteria
shapes
health,
disease.
Nutrients,
Journal Year:
2020,
Volume and Issue:
12(9), P. 2808 - 2808
Published: Sept. 13, 2020
Human
milk
oligosaccharides
(HMOs)
shape
the
gut
microbiota
in
infants
by
selectively
stimulating
growth
of
bifidobacteria.
Here,
we
investigated
impact
HMOs
on
adult
and
barrier
function
using
Simulator
Intestinal
Microbial
Ecosystem
(SHIME®),
Caco2
cell
lines,
human
intestinal
organoid-on-chips.
We
showed
that
fermentation
2’-O-fucosyllactose
(2’FL),
lacto-N-neotetraose
(LNnT),
combinations
thereof
(MIX)
led
to
an
increase
bifidobacteria,
accompanied
short
chain
fatty
acid
(SCFA),
particular
butyrate
with
2’FL.
A
significant
reduction
paracellular
permeability
FITC-dextran
probe
was
observed
monolayers
fermented
2’FL
MIX,
which
claudin-8
gene
expression
as
shown
qPCR,
a
IL-6
determined
multiplex
ELISA.
Using
gut-on-chips
generated
from
organoids
derived
proximal,
transverse,
distal
colon
biopsies
(Colon
Intestine-Chips),
claudin-5
significantly
upregulated
across
all
three
following
treatment
under
microfluidic
conditions.
Taken
together,
these
data
show
that,
addition
their
bifidogenic
activity,
have
capacity
modulate
immune
barrier,
supporting
potential
provide
health
benefits
adults.
Scientific Reports,
Journal Year:
2020,
Volume and Issue:
10(1)
Published: Dec. 16, 2020
Human
milk
is
the
optimal
nutrition
source
for
infants,
and
oligosaccharides
represent
third
most
abundant
component
in
after
lactose
fat.
(HMO)
are
favorable
macromolecules
which
are,
interestingly,
indigestible
by
infant
but
serve
as
substrates
bacteria.
Hypothesizing
that
maternal
diet
itself
might
influence
HMO
composition,
we
sought
to
directly
determine
effect
on
Employing
a
human
cross-over
study
design,
demonstrate
distinct
dietary
carbohydrate
energy
sources
preferentially
alter
concentrations
of
HMO,
including
fucosylated
species.
We
find
significant
associations
between
concentration
HMO-bound
fucose
abundance
fucosidase
(a
bacterial
gene
digests
moieties)
harbored
These
studies
reveal
successive
mechanism
during
lactation
alters
turn
shapes
functional
microbiome
prior
ingestion.
Journal of Agricultural and Food Chemistry,
Journal Year:
2020,
Volume and Issue:
69(1), P. 170 - 182
Published: Dec. 31, 2020
Prebiotic
human
milk
oligosaccharides
(HMOs)
are
found
in
milk,
which
not
digested
by
infants
but
metabolized
beneficial
gut
bacteria.
We
determined
the
ability
of
57
bacterial
strains
within
Family
Lactobacillaceae
and
genera
Bifidobacterium
Bacteroides
potentially
pathogenic
bacteria
to
ferment
HMOs
2′-fucosyllactose,
3-fucosyllactose,
difucosyllactose.
In
addition,
prebiotic
galacto-oligosaccharides
(GOS),
lactose,
fucose,
glucose
were
evaluated
as
carbon
sources
for
these
strains.
Bacterial
growth
was
monitored
using
automatic
Bioscreen
C
system.
Only
certain
bifidobacteria,
such
longum
subsp.
infantis
bifidum,
well
fragilis,
vulgatus,
thetaiotaomicron
utilized
studied
their
sole
source,
whereas
almost
all
able
utilize
GOS,
glucose.
The
selectivity
utilization
only
can
be
advantageous
promoting
microbes
supporting
harmful
pathogens
contrast
other
less
selective
prebiotics.
Philosophical Transactions of the Royal Society B Biological Sciences,
Journal Year:
2020,
Volume and Issue:
375(1808), P. 20190592 - 20190592
Published: Aug. 9, 2020
To
survive,
plants
and
animals
must
continually
defend
against
pathogenic
microbes
that
would
invade
disrupt
their
tissues.
Yet
they
do
not
attempt
to
extirpate
all
microbes.
Instead,
tolerate
even
encourage
the
growth
of
commensal
microbes,
which
compete
with
pathogens
for
resources
via
direct
inhibition.
We
argue
hosts
have
evolved
cooperate
commensals
in
order
enhance
pathogen
resistance
this
competition
provides.
briefly
describe
between
within
host,
consider
how
natural
selection
might
favour
tilt
commensals,
examples
extant
host
traits
may
serve
purpose.
Finally,
we
ways
cooperative
immunity
facilitated
adaptive
evolution
non-pathogen-related
traits.
On
basis
these
observations,
vies
other
commensal-provided
benefits
being
principal
evolutionary
advantage
provided
by
microbiome
lineages
across
tree
life.
This
article
is
part
theme
issue
‘The
role
evolution’.
Microbial Cell Factories,
Journal Year:
2021,
Volume and Issue:
20(1)
Published: May 28, 2021
Abstract
Human
milk
is
the
gold
standard
for
nutrition
of
infant
growth,
whose
nutritional
value
mainly
attributed
to
human
oligosaccharides
(HMOs).
HMOs,
third
most
abundant
component
after
lactose
and
lipids,
are
complex
sugars
with
unique
structural
diversity
which
indigestible
by
infant.
Acting
as
prebiotics,
multiple
beneficial
functions
HMO
believed
be
exerted
through
interactions
gut
microbiota
either
directly
or
indirectly,
such
supporting
bacteria
anti-pathogenic
effects,
modulation
intestinal
epithelial
cell
response.
Recent
studies
have
highlighted
that
HMOs
can
boost
infants
health
reduce
disease
risk,
revealing
potential
in
food
additive
therapeutics.
The
present
paper
discusses
recent
research
respect
impact
on
microbiome,
emphasis
molecular
basis
mechanism
underlying
effects
HMOs.