Agricultural Pest Management: The Role of Microorganisms in Biopesticides and Soil Bioremediation
Plants,
Год журнала:
2024,
Номер
13(19), С. 2762 - 2762
Опубликована: Окт. 1, 2024
Pesticide
use
in
crops
is
a
severe
problem
some
countries.
Each
country
has
its
legislation
for
use,
but
they
differ
the
degree
of
tolerance
these
broadly
toxic
products.
Several
synthetic
pesticides
can
cause
air,
soil,
and
water
pollution,
contaminating
human
food
chain
other
living
beings.
In
addition,
them
accumulate
environment
an
indeterminate
amount
time.
The
agriculture
sector
must
guarantee
healthy
with
sustainable
production
using
environmentally
friendly
methods.
this
context,
biological
biopesticides
from
microbes
plants
are
growing
green
solution
segment.
pests
attack
worldwide,
including
weeds,
insects,
nematodes,
microorganisms
such
as
fungi,
bacteria,
viruses,
causing
diseases
economic
losses.
bioproducts
microorganisms,
microbial
(MBPs)
or
alone,
practice
due
to
intense
research
world.
Mainly,
baculoviruses
have
been
used
sources
biomolecules
secondary
metabolites
biopesticide
use.
Different
methods,
direct
soil
application,
spraying
techniques
endotherapy,
seed
treatment,
used.
Adjuvants
like
surfactants,
protective
agents,
carriers
improve
system
different
formulations.
tool
bioremediation
environment.
This
review
summarizes
topics,
focusing
on
origin.
Язык: Английский
Shedding light on bacteria–host interactions with the aid of TnSeq approaches
mBio,
Год журнала:
2024,
Номер
15(6)
Опубликована: Май 9, 2024
Bacteria
are
highly
adaptable
and
grow
in
diverse
niches,
where
they
often
interact
with
eukaryotic
organisms.
These
interactions
different
hosts
span
the
entire
spectrum
from
symbiosis
to
pathogenicity
thus
determine
lifestyle
of
bacterium.
Knowledge
genetic
determinants
involved
animal
plant
host
colonization
by
pathogenic
mutualistic
bacteria
is
not
only
crucial
discover
new
drug
targets
for
disease
management
but
also
developing
novel
biostimulant
strategies.
In
last
decades,
significant
progress
genome-wide
high-throughput
technologies
such
as
transposon
insertion
sequencing
has
led
identification
pathways
that
enable
efficient
colonization.
However,
extent
which
similar
genes
play
a
role
this
process
yet
unclear.
This
review
highlights
commonalities
specificities
bacterial
important
bacteria-host
interaction.
Язык: Английский
Combined Analysis of Transcriptomes and Metabolomes Reveals Key Genes and Substances That Affect the Formation of a Multi-Species Biofilm by Nine Gut Bacteria
Microorganisms,
Год журнала:
2025,
Номер
13(2), С. 234 - 234
Опубликована: Янв. 22, 2025
Biofilms
are
one
of
the
ways
microorganisms
exist
in
natural
environments.
In
recent
years,
research
has
gradually
shifted
its
focus
to
exploring
complexity
and
interactions
multi-species
biofilms.
A
study
showed
that
nine
gut
bacteria
can
form
a
biofilm
on
wheat
fibers
(M9
biofilm).
However,
previous
did
not
clarify
reasons
why
M9
exhibited
better
formation
ability
than
mono-species
this
study,
gene
expression
levels
metabolic
accumulation
biofilms
each
individual
bacterium
were
analyzed
using
transcriptomes
metabolomes.
The
differentially
expressed
genes
(DEGs)
there
740
common
DEGs
existed
all
groups,
they
could
regulate
five
pathways
related
bacterial
motility,
cellular
communication,
signal
transduction.
metabolome
results
revealed
many
peptides/amino
acids
derivatives
produced
biofilm.
Furthermore,
purine
metabolism
was
significantly
enhanced
L-arginine,
l-serine,
guanosine,
hypoxanthine
accumulated
metabolites
(DAMs).
combined
analysis
metabolomes
26
highly
correlated
with
four
DAMs,
involved
amino
purines.
These
indicate
by
modulating
transduction,
This
provides
insights
into
microbial
Язык: Английский
Gene expression analyses on Dickeya solani strains of diverse virulence levels unveil important pathogenicity factors for this species
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Апрель 25, 2025
Dickeya
solani
causes
soft
rot
and
blackleg
mainly
on
potato
crops.
High
pathogenicity
of
this
species
results
from
efficient
production
plant
cell
wall-degrading
enzymes,
especially
pectate
lyases,
potent
root
colonization,
fast
vascular
movement.
Despite
genomic
homogeneity,
variations
in
virulence-related
phenotypes
suggest
differences
the
gene
expression
patterns
between
diverse
strains.
Therefore,
methylomes
transcriptomes
two
strains
(virulent
IFB0099
low
virulent
IFB0223),
differing
tissue
maceration
capacity
virulence
factors
production,
have
been
studied.
Methylation
analysis
revealed
no
significant
differences.
However,
transcriptomes,
studied
under
both
non-induced
induced
by
polygalacturonic
acid
conditions
(in
order
to
mimic
stages
infection
process),
unveiled
higher
lyases
(pelD,
pelE,
pelL),
pectin
esterase
(pemA),
proteases
(prtE,
prtD)
Vfm-associated
quorum-sensing
genes
(vfmC,
vfmD,
vfmE)
strain
compared
IFB0223.
Additionally,
related
secretion
system
II
(T2SS)
(gspJ,
nipE)
displayed
induction
IFB0099.
Furthermore,
showed
more
elevated
involved
flagella
formation,
which
coincides
with
enhanced
motility
To
sum
up,
differential
important
for
D.
indicated
candidate
genes,
might
be
crucial
species.
Язык: Английский
Surviving the Potato Stems: Differences in Genes Required for Fitness by Dickeya dadantii and Dickeya dianthicola
Phytopathology,
Год журнала:
2024,
Номер
114(5), С. 1106 - 1117
Опубликована: Янв. 3, 2024
Bacteria
belonging
to
the
genus
Язык: Английский
Genetic Loci of Plant Pathogenic Dickeya solani IPO 2222 Expressed in Contact with Weed-Host Bittersweet Nightshade (Solanum dulcamara L.) Plants
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(5), С. 2794 - 2794
Опубликована: Фев. 28, 2024
Dickeya
solani,
belonging
to
the
Soft
Rot
Pectobacteriaceae,
are
aggressive
necrotrophs,
exhibiting
both
a
wide
geographic
distribution
and
host
range
that
includes
many
angiosperm
orders,
dicot
monocot
plants,
cultivated
under
all
climatic
conditions.
Little
is
known
about
infection
strategies
D.
solani
employs
infect
hosts
other
than
potato
(Solanum
tuberosum
L.).
Our
earlier
study
identified
Tn5
mutants
induced
exclusively
by
presence
of
weed
S.
dulcamara.
The
current
assessed
identity
virulence
contribution
selected
genes
mutated
insertions
These
encode
proteins
with
functions
linked
polyketide
antibiotics
polysaccharide
synthesis,
membrane
transport,
stress
response,
sugar
amino
acid
metabolism.
Eight
these
genes,
encoding
UvrY
(GacA),
tRNA
guanosine
transglycosylase
Tgt,
LPS-related
WbeA,
capsular
biosynthesis
protein
VpsM,
DltB
alanine
export
protein,
glycosyltransferase,
putative
transcription
regulator
YheO/PAS
domain-containing
hypothetical
were
required
for
on
dulcamara
plants.
implications
interaction
host,
dulcamara,
discussed.
Язык: Английский