Inside the Belly of the Beast: Exploring the Gut Bacterial Diversity of Gonipterus sp. n. 2
Microbial Ecology,
Journal Year:
2025,
Volume and Issue:
88(1)
Published: April 12, 2025
The
Eucalyptus
snout
beetle
(Gonipterus
sp.
n.
2)
is
a
destructive
invasive
pest
of
plantations,
responsible
for
significant
defoliation
and
wood
yield
losses
globally.
Native
to
Australia,
this
has
adapted
thrive
on
diverse
hosts,
overcoming
their
chemical
defences.
However,
the
mechanisms
by
which
Gonipterus
tolerates
or
utilises
these
plant
defence
metabolites
remain
poorly
understood.
In
South
Africa,
2
poses
threat
plantations
causing
extensive
leading
substantial
reductions
in
growth
production.
This
study
investigates
relationship
between
diet,
host
species,
gut
microbiome
2.
Using
controlled
feeding
experiments,
beetles
were
reared
artificial,
semi-artificial,
natural
diets,
as
well
two
genotypes
with
distinct
secondary
metabolite
profiles.
High-throughput
16S
rDNA
sequencing
gas
chromatography-mass
spectrometry
(GC-MS)
revealed
shifts
bacterial
diversity
composition
across
diets.
Natural
diets
supported
most
microbial
communities,
while
artificial
fostered
homogenised
dominated
opportunistic
taxa
like
Serratia.
Host-specific
effects
observed
frass
microbiota,
biotransformation
monoterpenes
into
less
toxic
derivatives.
results
highlight
plasticity
enables
metabolic
adaptability
resilience
environments.
flexibility
underpins
invasiveness
Gonipterus,
emphasising
role
symbionts
Understanding
interactions
offers
novel
insights
microbiome-targeted
management
strategies,
providing
sustainable
approach
mitigate
impact
global
forestry.
Language: Английский
Battle between Gut Bacteria, Immune System, and Cry1Ac Toxin in Plutella xylostella
Journal of Agricultural and Food Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 24, 2025
Research
on
Bacillus
thuringiensis
(Bt)-pest
interactions
has
prioritized
Cry
toxin
receptors,
with
limited
attention
to
gut
bacteria's
role
in
modulating
Bt
sensitivity.
This
study
identified
two
Enterobacter
strains
Plutella
xylostella
opposing
effects
Cry1Ac
susceptibility.
hormaechei
(PxG15)
degraded
protoxin
and
activated
the
proPO-AS
JNK
pathway,
which
reduced
Cry1Ac's
damage
midgut
while
limiting
invasion
of
bacteria
into
hemolymph.
Although
asburiae
(PxG1)
rapidly
proPO-AS,
pathway
was
a
much
slower
weaker
mode
when
compared
PxG15,
attenuated
repairing
efficiency
under
treatment
Cry1Ac,
leading
death
resulting
from
sepsis
quick
illustrates
intricate
interrelationships
among
pest's
bacteria,
its
immune
system,
offering
novel
insights
how
shape
pest
survival
following
exposure.
Language: Английский
Enriched Flavonoid Compounds Confer Enhanced Resistance to Fusarium‐Induced Root Rot in Oil Tea Plants
Junqia Kong,
No information about this author
Zhanhua Zhou,
No information about this author
Zhong Li
No information about this author
et al.
Plant Cell & Environment,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 17, 2025
ABSTRACT
Root
rot
in
Camellia
oleifera
complicates
the
development
of
targeted
control
measures
owing
to
its
complex
aetiology.
Although
breeding
resistant
varieties
C.
presents
a
promising
solution,
research
into
cultivation
strategies
and
potential
resistance
mechanisms
against
root
remains
limited.
In
this
study,
we
investigated
six
cultivars
that
exhibit
varying
levels
rot.
We
conducted
transcriptome
analysis,
measurements
soil
physicochemical
properties
an
analysis
fungal
microbiome
explore
relationship
between
Fusarium
‐induced
flavonoid
compounds
rhizosphere.
The
cultivar
CL18
demonstrated
superior
performance
concerning
incidence,
health
status
expression
genes
associated
with
biosynthesis
study.
Significant
differences
were
observed
composition
diversity
rhizosphere
communities
among
various
.
abundance
was
low,
negative
correlation
identified
content
Our
study
uncovers
role
flavonoids
rot,
thereby
offering
new
for
disease
management
cultivars.
Language: Английский
Trophic transfer of heavy metals across a food chain in a wastewater-irrigated agroecosystem
Environmental Monitoring and Assessment,
Journal Year:
2024,
Volume and Issue:
196(11)
Published: Oct. 21, 2024
Language: Английский
Compatibility of entomopathogenic fungi and imidacloprid (Confidor®) on biological characteristics and life table of Diaeretiella rapae (Hymenoptera: Braconidae), a parasitoid of Brevicoryne brassicae (Hemiptera: Aphididae)
International Journal of Tropical Insect Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 14, 2024
Language: Английский