Applied and Environmental Microbiology,
Journal Year:
2024,
Volume and Issue:
90(7)
Published: June 25, 2024
Microbial
community
adaptability
to
pH
stress
plays
a
crucial
role
in
biofilm
formation.
This
study
aims
investigate
the
regulatory
mechanisms
of
exogenous
putrescine
on
stress,
as
well
enhance
understanding
and
application
for
technical
measures
molecular
regulation.
Findings
demonstrated
that
acted
switch-like
distributor
affecting
microorganism
thus
promoting
formation
under
acid
conditions
while
inhibiting
it
alkaline
conditions.
As
decreases,
protonation
degree
increases,
making
more
readily
adsorbed.
Protonated
could
increase
cell
membrane
permeability,
facilitating
its
entry
into
cell.
Subsequently,
consumed
intracellular
H
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 5, 2025
Abstract
Drylands
comprise
45%
of
Earth’s
land
area
and
contain
ecologically
critical
soil
surface
communities
known
as
biocrusts.
Biocrusts
are
composed
extremotolerant
organisms
including
cyanobacteria,
microfungi,
algae,
lichen,
bryophytes.
Fungi
in
biocrusts
help
aggregate
these
may
form
symbiotic
relationships
with
nearby
plants.
Climate
change
threatens
biocrusts,
particularly
moss
but
its
effects
on
the
biocrust
mycobiome
remain
unknown.
Here,
we
performed
a
culture-dependent
metabarcoding
survey
across
an
aridity
gradient
to
determine
whether
local
climate
influences
fungal
community
composition.
As
index
increased,
exhibited
greater
homogeneity
beta
diversity.
At
arid
hyper-arid
sites,
shifted
toward
more
taxa.
We
identified
significant
proportion
reads
cultures
from
that
could
not
be
classified.
Rhodotorula
mucilaginosa
R.
paludigena
were
significantly
enriched
following
sterilization
healthy
mosses.
This
aligns
their
roles
plant
endophytes.
also
observed
septate
endophyte
colonization
photosynthetic
tissues
mosses
climates.
Collectively,
results
suggest
will
undergo
shifts
diversity
due
change,
favoring
taxa
conditions
intensify.
The
highlight
potential
serve
bioinoculants
for
enhancing
resilience
change.
These
findings
offer
valuable
insights
into
impacts
drylands
provide
crucial
information
conservation.
Applied Microbiology,
Journal Year:
2025,
Volume and Issue:
5(1), P. 30 - 30
Published: March 13, 2025
The
environment
hosts
a
diversity
of
microorganisms
whose
potential
for
biotechnological
applications
has
not
yet
been
exhausted.
quest
our
study
was
to
find
isolates
Pichia
kudriavzevii
from
the
that
could
be
used
as
new
agents.
Moreover,
we
aimed
explore
resource
efficiency
microbial
cultivation,
in
particular
spent
coffee
grounds
(SCG),
an
easily
accessible
waste
product
with
high
unutilized
organic
content.
In
this
study,
strain
ZMUM_K002,
yeast
isolated
grape
pomace
compost,
investigated.
Antifungal
susceptibility,
particularly
fluconazole
assessed,
and
strain’s
by
comparing
its
ability
utilize
low-cost
carbon
sources,
including
SCG,
natural
isolate
Saccharomyces
cerevisiae
(strain
ZMUM_K003)
assessed.
P.
ZMUM_K002
exhibited
higher
susceptibility
yielded
more
than
30%
biomass
optimized
media
formulations
compared
S.
ZMUM_K003.
These
findings
demonstrate
efficient
production
sustainable
industrial
biotechnology,
processes
requiring
yields
on
alternative
substrates.
Microorganisms,
Journal Year:
2025,
Volume and Issue:
13(5), P. 981 - 981
Published: April 24, 2025
The
presence
of
yeasts
in
food
is
not
unexpected,
as
they
are
part
the
microbiota
raw
materials,
employed
starter
cultures
numerous
fermentation
processes,
and
also
play
a
role
spontaneous
fermentation.
Nevertheless,
have
potential
to
induce
spoilage,
which
can
lead
significant
quality
issues,
certain
ability
cause
infections
humans
animals,
posing
safety
risk.
detection
food,
determination
their
cell
number,
well
identification
typing,
therefore
often
tasks
during
examination
categories.
methods
achieve
these
objectives
diverse,
encompassing
both
conventional
culture-based
techniques
more
recent,
genome-based
studies.
objective
this
study
provide
summary
article
that
presents
suitable
for
testing
food-derived
yeasts.
will
highlight
advantages,
disadvantages,
difficulties
applicability.
Moreover,
comprehensive
review
nucleic
acid-based,
culture-dependent
culture-independent
molecular
yeast
was
conducted,
scientific
articles
from
past
five
years
(2020–2024).
search
based
on
Science
Direct
database
using
keywords
“yeast
food”.
World Journal of Microbiology and Biotechnology,
Journal Year:
2024,
Volume and Issue:
40(5)
Published: March 28, 2024
Abstract
Probiotic
microorganisms
are
used
to
improve
the
health
and
wellness
of
people
research
on
this
topic
is
current
relevance
interest.
Fifty-five
yeasts,
coming
from
honeybee’s
ecosystem
belonging
Candida
,
Debaryomyces
Hanseniaspora
Lachancea
Metschnikowia
Meyerozyma
Starmerella
Zygosacchromyces
genera
related
different
species,
were
evaluated
for
probiotic
traits.
The
resistance
gastrointestinal
conditions,
auto-aggregation,
cell
surface
hydrophobicity
or
biofilm
formation
abilities
as
well
antimicrobial
activity
against
common
human
pathogenic
bacteria
evaluated.
safety
analysis
strains
was
also
carried
out
exclude
any
possible
negative
effect
consumer’s
health.
influence
proteinase
treatment
living
yeasts
their
adhesion
Caco-2
cells
greatest
selection
occurred
in
first
step
survival
at
acidic
pH
presence
bile
salts,
where
more
than
50%
unable
survive.
Equally
discriminating
protease
test
which
allowed
only
27
species
guilliermondii
uvarum
pulcherrima
ziziphicola
caribbica
Pichia
kluyveri
kudriavzevii
terricola
.
An
integrated
results
obtained
detection
seven
yeast
with
aptitudes,
all
genus,
three
M.
guillermondii
four
M
species.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Aug. 13, 2024
As
the
Earth
warms,
alternatives
to
traditional
farming
are
crucial.
Exploring
fungi,
especially
poly
extremophilic
and
extremotolerant
species,
be
used
as
plant
probiotics,
represents
a
promising
option.
Extremophilic
fungi
offer
avenues
for
developing
producing
innovative
biofertilizers,
effective
biocontrol
agents
against
pathogens,
resilient
enzymes
active
under
extreme
conditions,
all
of
which
crucial
enhance
agricultural
efficiency
sustainability
through
improved
soil
fertility
decreased
reliance
on
agrochemicals.
Yet,
fungi's
potential
remains
underexplored
and,
therefore,
comprehensive
research
is
needed
understand
their
roles
tools
foster
sustainable
agriculture
practices
amid
climate
change.
Efforts
should
concentrate
unraveling
complex
dynamics
plant-fungi
interactions
harnessing
ecological
functions
influence
growth
development.
Aspects
such
plant's
epigenome
remodeling,
fungal
extracellular
vesicle
production,
secondary
metabolism
regulation,
impact
native
microbiota
among
many
deserving
explored
in
depth.
Caution
advised,
however,
can
act
both
mitigators
crop
diseases
opportunistic
underscoring
necessity
balanced
optimize
benefits
while
mitigating
risks
settings.
Understanding
fungal-plant
vital
amidst
probiotics
increase
yields
reducing
dependence
toxic
However,
promote
development
carefully
considered.
Foods,
Journal Year:
2023,
Volume and Issue:
12(6), P. 1338 - 1338
Published: March 22, 2023
Natural
compounds
are
a
suitable
alternative
to
synthetic
food
preservatives
due
their
natural
origin
and
health-promoting
properties.
In
the
current
study,
phenolic–phenolic
phenolic–synthetic
combinations
were
tested
for
antibiofilm
formation,
anti-planktonic
growth,
anti-adhesion
properties
against
Debaryomyces
hansenii,
Wickerhamomyces
anomalus
(formerly
Pichia
anomala),
Schizosaccharomyces
pombe,
Saccharomyces
cerevisiae.
The
phenolics
vanillin
cinnamic
acid,
while
sodium
benzoate,
potassium
sorbate,
diacetate.
vanillin–cinnamic
acid
combination
had
synergistic
effect
in
all
yeasts
biofilm
inhibition
with
fractional
inhibitory
concentration
index
(FICI)
of
≤0.19
W.
anomalus,
0.25
S.
0.31
cerevisiae,
0.5
D.
hansenii.
Most
indifferent
interaction
regarding
formation.
also
higher
activity
spoilage
adhesion
on
abiotic
surface
planktonic
growth
compared
combinations.
For
activity,
was
present
vanillin–synthetic
vanillin–sodium
benzoate
vanillin–potassium
sorbate
acid–sodium
diacetate
pombe.
These
results
suggest
novel
antimicrobial
strategy
that
may
broaden
spectrum
reduce
compound
toxicity
yeasts.
