Journal of Advances in Microbiology,
Journal Year:
2024,
Volume and Issue:
24(12), P. 244 - 254
Published: Dec. 29, 2024
Background:
Agriculture
is
also
concerned
with
the
problem
of
bacterial
resistance
because
agricultural
soils
are
reservoirs
antibiotic-resistant
bacteria
(ARB)
and
genes.
Objective:
An
investigation
about
ARB
was
carried
out
on
in
Mangoum,
a
neighborhood
Foumbot
municipality
(Noun
division,
West
Cameroon).
Methods:
It
conducted
as
cross-sectional
descriptive
study
total
46
soil
specimens
collected
from
plant
farms
control
plot.
Isolation,
enumeration
antibiotic
susceptibility
tests
were
performed
according
to
standard
protocols.
Results:
The
recovered
included
Aeromonas
spp.,
Chryseobacterium
Pseudomonas
Staphylococcus
Gram-positive
rods.
Their
loads
farmland
significantly
lower
than
Overall,
169
colony
morphotypes
revealed
high
rates.
Also,
most
isolates
expressed
multidrug-resistance
antibiotics
used,
while
highest
rates
recorded
form
plots.
Levofloxacin,
Imipenem,
Gentamicin
Ciprofloxacin
globally
effective.
Conclusion:
Agreeing
previous
surveys
animal
farms,
these
findings
could
provide
support
sustainable
orientation
policies
regarding
antimicrobial
Cameroon
One
Health
perspective.
Ecotoxicology and Environmental Safety,
Journal Year:
2025,
Volume and Issue:
293, P. 118049 - 118049
Published: March 1, 2025
Non-target
plants
play
a
key
role
in
maintaining
ecological
balance
and
biodiversity.
Here,
we
studied
the
effect
of
chiral
herbicide
imazethapyr
(IM)
on
flowering
initiation
non-target
plant
Arabidopsis
thaliana
its
underlying
mechanism.
Plants
treated
with
R-IM
initiated
earlier
than
those
S-IM.
The
herbicidally
active
had
much
greater
various
phytohormones
S-IM,
this
increased
concentration
R-IM.
Before
flowering,
significant
internal
levels
1-aminocyclopropane-1-carboxylic
acid
(ACC),
indole-3-acetic
(IAA),
abscisic
(ABA),
gibberellic
(GA3)
plants,
which
indicated
that
it
promoted
production
ACC,
high
concentrations
also
IAA,
ABA,
GA3.
GA3
before
during
flowering.
High
strongly
IAA
inhibited
GA3,
or
ACC
depending
applied.
Thus,
under
treatment
may
be
affected
by
phytohormone
throughout
plant,
likely
have
effects
Insect Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 18, 2025
Abstract
Insects
and
their
associated
microbiota
have
developed
a
sustained
mutually
beneficial
relationship,
characterized
by
the
influence
of
symbiotic
microorganisms
on
host's
physiological
processes
fitness
parameters.
The
Mediterranean
fruit
fly,
Ceratitis
capitata
(Diptera:
Tephritidae),
is
one
world's
most
ubiquitous,
invasive,
harmful
agricultural
pests.
In
Tunisia,
medfly
widely
distributed
across
all
bioclimatic
zones.
However,
in
absence
surveillance,
infestations
can
escalate
drastically,
causing
damage
levels
as
high
100%.
Our
study
aimed
to
characterize
microbiome
profile
Tunisian
populations
from
Zaghouan,
Tozeur,
Siliana,
Bizerte
understand
microbial
dynamics
implicated
invasiveness
adaptability
potential
if
SIT
applied.
We
conducted
amplicon
sequencing
using
MiSeq
Illumina
culture‐dependent
approach.
findings
revealed
notable
differences
communities
regions.
For
instance,
Serratia
was
prevalent
Tozeur
populations,
while
Klebsiella
showed
abundance
Bizerte.
composition
bacterial
within
influenced
several
factors
including
environmental
conditions,
geographical
location,
developmental
stage,
sex
insects.
Investigating
intricate
relationship
between
insects
pivotal
for
understanding
biology
developing
effective
pest
management
strategies.
Additionally,
isolation
bacteria
adult
larval
medflies
collected
region
presence
species
that
could
be
utilized
attractants
or
supplements
artificial
diets
case
application
aiming
at
producing
competitive
sterile
males.
The Science of The Total Environment,
Journal Year:
2025,
Volume and Issue:
977, P. 179402 - 179402
Published: April 15, 2025
Groundwater
is
one
of
the
largest
reservoirs
liquid
fresh
water
on
earth.
Aquifers
are
complex
environments
where
quality
can
be
affected
by
geological
origins,
geochemistry
and
biological
activity.
These
under
pressure
due
to
climate
change
pollution.
Strongly
involved
in
biogeochemistry
groundwater
ecosystems,
microorganisms
also
contribute
reducing
pollution
potentially
used
as
indicators
quality.
However,
diversity
role
remains
largely
unknown.
The
present
work
aimed
characterize
bacterial
60
wells
over
8000
km2
Beauce
Aquifer,
France,
determine
baseline
expected
relation
hydro
geochemical
signatures
identify
variations
that
could
anthropogenic
pressures.
We
analysed
amplicon
sequence
variants
(ASVs)
16S
rRNA
gene
well
abundance
functional
genes
associated
arsenic
nitrate
(aioA,
arsB,
narG),
organic
carbon
contents
composition.
Bacterial
co-occurrences
were
found
according
hydrogeochemical
identified
aquifer.
A
lower
was
measured
confined
aquifers,
low
oxygen
conditions
occurred
with
high
levels
dissolved
iron
manganese.
This
indicate
a
higher
vulnerability
face
pressure.
Finally,
composition
linked
each
signature
several
differed
from
this
identified.
Biochemical
and
molecular
mechanisms
have
been
essential
to
reduce
various
insect
attacks
on
plants.
The
biochemical
methods
are
wide
involving
direct
indirect
defenses.
defensive
chemical
substances
secreted
effectively
the
wound
caused
by
herbivores
(insects
phytopathogens)
Plants
responded
producing
VOCs
which
draw
natural
enemies
of
insects
phytopathogens.
progress
observed
in
cognition
stimulus
plants
their
potential
control
responses
is
characterized
modification
shifts
our
attention
development
endogenous
resistance
preserving
crops.
main
objective
implementing
a
biotechnological
mechanism
crop
production
employ
durable
multimechanistic
alternatives
pests
via
plant
produces
upon
encountering
attack.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(17), P. 7848 - 7848
Published: Sept. 9, 2024
Spartina
alterniflora
is
recognized
as
one
of
the
most
detrimental
invasive
species
along
China’s
coastlines,
highlighting
need
for
effective
and
environmentally
safe
management
strategies
to
preserve
intertidal
zones.
This
study
assessed
effectiveness
combining
plant
growth
regulators
(PRGs)
with
physical
cutting
manage
S.
alterniflora,
using
16S
rRNA
18S
gene
sequencing
evaluate
impacts
on
associated
soil
micro-organisms.
The
results
showed
that
compared
control
(CK),
regeneration
numbers
treatments
abscisic
acid
(ABA),
gibberellin
(GA),
paclobutrazol
(PP333),
garcinol
(GC),
glyphosate
(GP)
decreased
by
29.75%,
23.25%,
15.75%,
94.50%,
40.50%,
respectively.
Comparative
analysis
revealed
no
statistically
significant
variation
in
inhibitory
effects
ABA
GP
germination
(p
>
0.05).
Additionally,
applying
PRGs
herbicides
increased
diversity
indices
bacteria
fungi.
Principal
Coordinates
Analysis
(PCoA)
impact
fungal
community
was
less
pronounced
than
herbicides.
Significant
differences
were
also
noted
abundance
microbial
functional
genes
related
methanotrophy,
hydrocarbon
degradation,
denitrification
<
aimed
assess
potential
controlling
invasion
elucidate
their
communities
expression.