Assessment of Different Conventional and Biofortified Wheat Genotypes Based on Biology and Damage Pattern of Rhyzopertha dominica and Trogoderma granarium
Insects,
Год журнала:
2025,
Номер
16(1), С. 66 - 66
Опубликована: Янв. 11, 2025
The
lesser
grain
borer,
Rhyzopertha
dominica
(F.)
(Coleoptera:
Bostrichidae)
and
khapra
beetle,
Trogoderma
granarium
E.
Dermestidae)
are
primary
stored-grain
insect
pests.
Differences
in
certain
biological
physical
parameters
of
both
pest
species
wheat
genotypes
were
investigated
under
laboratory
conditions.
Zinc
(Zn)-biofortified
(Zincol-2016
Akbar-2019)
conventional
(Arooj-2022,
Nawab-2021,
Dilkash-2021,
Bhakkar
Star-2019)
used
this
study.
Zn-biofortified
outperformed
the
ones,
with
significant
differences
observed
fecundity,
percent
adult
emergence,
total
developmental
duration,
damage,
weight
loss
species.
results
further
revealed
that
fecundity
R.
T.
lowest
on
Akbar-2019
free-choice
test
(42.50
33.17)
no-choice
(35.50
32.50),
respectively.
Similarly,
emergence
was
also
(69.78
70.28%)
(67.38
70.71%).
period
showed
variation
among
tested
genotypes.
longest
recorded
Akbar-2019,
i.e.,
44.33
58.83
days,
for
granarium,
damage
(13.23
10.33%)
(3.62
2.12%)
found
to
be
minimum
species,
Additionally,
a
positive
correlation
between
moisture
content
parameters,
suggesting
higher
may
aggravate
loss.
These
findings
indicate
nutritional
qualities
negatively
affected
development
species;
thus,
it
can
an
efficacious
approach
not
only
ensuring
food
security
but
protecting
grains
against
storage
Язык: Английский
Different strategies towards strength: Unveiling the role of Zn vs Mn/Ca and chitin arrangement in scorpion stingers
Journal of Structural Biology,
Год журнала:
2025,
Номер
unknown, С. 108174 - 108174
Опубликована: Янв. 1, 2025
Язык: Английский
The Role of Metals in Biological Control of Insects
Inam Ullah,
Hafza Wajeeha Ijaz,
Yue Ma
и другие.
IntechOpen eBooks,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 24, 2025
Metals
are
essential
to
insect
physiology
and
play
a
crucial
role
in
biological
control
strategies
for
managing
pest
populations.
This
chapter
explores
the
dual
roles
of
metals
as
vital
micronutrients
disruptors
homeostasis,
focusing
on
their
uptake,
regulation,
detoxification
mechanisms
beneficial
insects.
We
examine
influence
development,
reproduction,
immunity,
with
an
emphasis
metalloprotein
enzymes.
Additionally,
delves
into
metal-based
pest-control
strategies,
including
metal-containing
pesticides,
nanoparticles,
integration
methods.
Emphasis
is
placed
synergistic
effects
natural
biocontrol
agents
integrated
management.
Challenges,
such
environmental
accumulation,
resistance
non-target
toxicity,
addressed
alongside
sustainable
approaches
emerging
biotechnologies
like
CRISPR
(Clustered
Regularly
Interspaced
Short
Palindromic
Repeats)
RNAi
(RNA
interference).
By
bridging
gap
between
metal
regulation
control,
this
provides
novel
insights
leveraging
effective,
eco-friendly
Язык: Английский
The CpxAR signaling system confers a fitness advantage for flea gut colonization by the plague bacillus
Journal of Bacteriology,
Год журнала:
2024,
Номер
206(9)
Опубликована: Авг. 19, 2024
ABSTRACT
The
adaptation
of
Yersinia
pestis
,
the
flea-borne
plague
agent,
to
fluctuating
environmental
conditions
is
essential
for
successful
colonization
flea
vector.
A
previous
comparative
transcriptomic
analysis
showed
that
Cpx
pathway
Y.
up-regulated
in
infected
fleas.
CpxAR
two-component
system
a
component
envelope
stress
response
and
critical
maintaining
integrity
cell.
Here,
phenotypic
screening
revealed
survival
defect
cpxAR
mutant
oxidative
copper.
measured
copper
concentration
digestive
tract
contents
fed
fleas
increased
fourfold
during
process.
By
direct
phosphorylation
CpxR
by
Phos-Tag
gel
approach,
we
demonstrated
biologically
relevant
concentrations
triggered
system.
Then,
competitive
challenge
highlighted
role
bacterial
fitness
infection.
Lastly,
an
vitro
sequential
exposure
then
H
2
O
mimic
suggests
model
which,
within
insect
tract,
would
be
copper,
establishing
response.
IMPORTANCE
bacterium
agent
plague.
Our
knowledge
mechanisms
used
bacillus
infect
vector
limited.
up-regulation
under
control
signaling
was
previously
shown
study.
our
vivo
approaches
suggest
which
uses
phosphorelay
sense
respond
present
gut,
thereby
optimizing
gut
colonization.
In
other
words,
flea.
Язык: Английский
Toxic Effects of Sublethal Pyriproxyfen on Baseline Hemolymph Biochemical Balance in Euschistus heros
Applied Sciences,
Год журнала:
2024,
Номер
14(20), С. 9388 - 9388
Опубликована: Окт. 15, 2024
The
sublethal
toxic
effects
of
pyriproxyfen,
an
insect
juvenile
hormone
analog
(JHA)
insecticide,
on
the
circulating
metabolite
balance
in
Neotropical
brown
stink
bug,
Euschistus
heros,
one
main
agronomic
pests
South
America,
were
investigated.
Our
objectives
to
evaluate
changes
baseline
levels
lipids
and
carbohydrates,
along
with
three
selected
micro-elements—nickel
(Ni),
copper
(Cu),
zinc
(Zn)—in
hemolymph
adult
E.
following
application
a
predetermined
LC30
pyriproxyfen
(single
topical
application)
fourth-instar
nymphs
(N4).
Hemolymph
was
sampled
using
glass
capillaries,
resulting
concentrations
carbohydrates
determined
through
vanillin-
anthrone-positive
reactions,
respectively,
micro-element
analysis
performed
total
reflection
X-ray
fluorescence
(TXRF)
spectrometry.
Lipids
are
more
stable
energy
metabolites
for
proportion
2:1
compared
carbohydrate
levels.
A
remarkable
sensitivity
exposure,
irrespective
sex,
observed.
Baseline
based
untreated
control
insects
indicate
sex-based
differences
Ni
Zn,
but
not
Cu,
concentrations.
After
insecticide
these
micro-elements
variable,
Zn
generally
decreasing
Cu
females
nearly
doubling
males.
observed
disproportion
lipids,
inorganic
suggests
potential
physiological
shifts
triggered
by
activity
heros
during
late
stages.
Язык: Английский
The Effect of Larval Exposure to Heavy Metals on the Gut Microbiota Composition of Adult Anopheles arabiensis (Diptera: Culicidae)
Tropical Medicine and Infectious Disease,
Год журнала:
2024,
Номер
9(10), С. 249 - 249
Опубликована: Окт. 21, 2024
is
a
highly
adaptable
member
of
the
Язык: Английский
Size effect of ZIF‐8 based nanocarrier pesticide delivery system on targeted release and insecticidal activity
Pest Management Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 28, 2024
Abstract
BACKGROUND
Traditional
chemical
pesticides
are
easily
lost
by
surface
runoff
and
only
small
quantities
reach
the
target,
thus
causing
serious
environmental
pollution.
In
this
work,
dinotefuran@zeolitic
imidazolate
framework‐8@polydopamine@zein
(DNF@ZIF‐8@PDA@zein),
was
constructed
to
deliver
DNF
with
pH
enzyme
double
response
of
release,
thereby
achieving
targeted
release
efficient
long‐term
pest
control.
RESULTS
DNF@ZIF‐8@PDA@zein
synthesized
three
hydrated
diameters
(249.73
±
9.99
nm,
142.94
5.63
nm
75.16
4.66
respectively).
The
from
after
28
h
significantly
higher
at
5.0
(89.22
7.18%)
compared
that
8
(81.8
6.11%).
Protease‐assisted
notably
than
without
protease
(pH
5:
89.22
5.55%
versus
27.19
3.22%;
8:
81.8
6.11%
25.39
3.87%).
stimuli‐responsive
increased
decreased
particle
size
due
pore
size,
reduced
binding
forces
(i.e.,
weaker
π–π
stacking,
hydrogen
bonding,
Zn–N
covalent
bonding),
shortening
diffusion
path,
leading
faster
disintegration
drug
release.
Additionally,
anti‐photolysis
ability
3.2
times
pure
DNF.
insecticidal
activity
improved
smaller
nanoparticles
rate
greater
inhibition
detoxification
more
zinc
ion
(Zn
2+
)
dissolution.
CONCLUSION
dual‐responsive
as
well
increase
nanoparticle
showing
effective
management
in
potential
application
prospects
sustainable
agriculture.
©
2024
Society
Chemical
Industry.
Язык: Английский