Profiles of Killer Systems and Volatile Organic Compounds of Rowanberry and Rosehip-Inhabiting Yeasts Substantiate Implications for Biocontrol
Foods,
Год журнала:
2025,
Номер
14(2), С. 288 - 288
Опубликована: Янв. 16, 2025
Yeasts
produce
numerous
antimicrobial
agents
such
as
killer
toxins,
volatile
organic
compounds
(VOCs),
and
other
secondary
metabolites,
establishing
themselves
in
developing
natural
sustainable
biocontrol
strategies
for
agriculture
food
preservation.
This
study
addressed
the
potential
of
yeasts,
isolated
from
spontaneous
fermentations
rosehips
(Rosa
canina
L.)
rowanberries
(Sorbus
aucuparia
L.),
focusing
on
their
phenotypes
VOCs
production.
were
using
with
Hanseniaspora
uvarum
Metschnikowia
pulcherrima
identified
dominant
species,
comprising
approximately
70%
yeast
population.
Among
163
strains,
20%
demonstrated
killing
activity,
Saccharomyces
cerevisiae
exhibiting
strongest
efficiency,
well
Pichia
anomala
M.
showing
broad-spectrum
antagonistic
activity.
dsRNA-encoded
S.
cerevisiae,
paradoxus,
Torulaspora
delbrueckii,
revealing
multiple
distinct
toxin
types.
The
wild
berry-inhabiting
yeasts
was
a
real
system,
grape
juice,
where
K2-type
strain
significantly
reduced
fungal
contaminants.
selected
H.
uvarum,
pulcherrima,
paradoxus
strains
representing
both
berries
applied
VOC
analysis
identification
by
gas
chromatography-linked
mass
spectrometry.
It
revealed
that
patterns
emitted
volatiles
are
species-specific.
Statistically
significant
differences
between
individual
observed
among
phenotype-possessing
vs.
non-killer
thus
involvement
systems
multi-level
enablement.
performed
studies
deepen
our
understanding
mechanisms,
highlight
importance
produced
antimicrobials
ensuring
efficacy,
prove
relevance
improving
safety.
Язык: Английский
Distinct microbial communities associated with health‐relevant wild berries
Environmental Microbiology Reports,
Год журнала:
2024,
Номер
16(6)
Опубликована: Ноя. 14, 2024
Abstract
Lingonberries
(
Vaccinium
vitis‐idaea
L
.),
rowanberries
Sorbus
aucuparia
.)
and
rosehips
Rosa
canina
positively
affect
human
health
due
to
their
healing
properties,
determined
by
a
high
content
of
bioactive
compounds.
The
consumption
unprocessed
wild
berries
is
relevant
encouraged,
making
in‐depth
microbiological
characterization
essential
for
food
safety.
This
study
presents
the
first
high‐throughput
sequencing
analysis
bacterial
fungal
communities
distributed
on
surface
lingonberries,
rosehips.
Significant
plant‐defined
differences
in
taxonomic
composition
prokaryotic
eukaryotic
microbiota
were
observed.
community
was
shown
be
prevalent
Enterobacteriaceae
,
lingonberries
Methylobacteriaceae
Sphingomonadaceae
representatives.
Among
microbiota,
Dothioraceae
dominated
Exobasidiaceae
lingonberries;
meanwhile,
inhabited
similar
level
broad
spectrum
families.
Cultivable
yeast
profiling
revealed
that
distinguished
lowest
amount
most
distinct
populations.
Potentially
pathogenic
humans
or
plants,
as
well
beneficial
biocontrol
microorganisms,
identified
tested
berries.
combination
metagenomics
cultivation‐based
approach
highlighted
berries‐associated
microbial
contributed
uncovering
potential
plant
health,
Язык: Английский