Impact of mercury on fitness and interactions of soil nematodes Rhabditis sp. and Cephalobus sp. in microcosms
International Journal of Environmental Science and Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 27, 2025
Language: Английский
Berberine Extends Lifespan in C. elegans Through Multi-Target Synergistic Antioxidant Effects
Yingshuo Bei,
No information about this author
Ting Wang,
No information about this author
Shuwen Guan
No information about this author
et al.
Antioxidants,
Journal Year:
2025,
Volume and Issue:
14(4), P. 450 - 450
Published: April 9, 2025
Aging
is
a
process
of
gradual
functional
decline
in
complex
physiological
systems
and
closely
related
to
the
occurrence
various
diseases.
Berberine,
bioactive
alkaloid
derived
from
Coptis
chinensis
(Huanglian),
has
emerged
as
promising
candidate
for
anti-aging
interventions.
This
study
comprehensively
investigated
lifespan-extending
effects
molecular
mechanisms
berberine
C.
elegans
through
integrated
approaches
including
lifespan
assays,
locomotor
activity
analysis,
oxidative
stress
challenges,
transcriptomic
profiling.
Furthermore,
genetic
models
mutant
transgenic
worms
were
employed
delineate
their
interactions
with
insulin/IGF-1
signaling
(IIS)
pathway.
Our
results
demonstrate
that
extended
mean
wild-type
by
27%.
By
activating
transcription
factors
such
DAF-16/FOXO,
HSF-1,
SKN-1/NRF2,
upregulated
antioxidant
enzyme
expression,
reduced
lipofuscin
accumulation,
improved
resistance.
Transcriptomic
analysis
revealed
significant
changes
lipid
metabolism-related
genes,
particularly
pathways
involving
fatty
acid
synthesis,
degradation,
sphingolipid
metabolism.
These
findings
establish
exerts
multi-target
coordinated
activation
stress-responsive
metabolic
optimization,
providing
mechanistic
insights
developing
natural
product-based
geroprotective
strategies.
Language: Английский
Behavioral adaptations of Caenorhabditis elegans against pathogenic threats
Xin Zhao,
No information about this author
Xinyu Li,
No information about this author
Jiayi Gao
No information about this author
et al.
PeerJ,
Journal Year:
2025,
Volume and Issue:
13, P. e19294 - e19294
Published: April 14, 2025
This
review
examines
the
behavioral
adaptation
mechanisms
of
Caenorhabditis
elegans
in
response
to
pathogenic
bacterial
threats,
emphasizing
their
ecological
significance.
It
systematically
explores
how
such
as
avoidance
behavior,
transgenerational
learning,
and
forgetting
enable
C.
optimize
its
survival
reproductive
strategies
within
dynamic
microbial
environments.
detects
harmful
signals
through
chemosensation
initiates
behaviors.
Simultaneously,
it
manages
environmental
energy
allocation
memory
forgetting,
allowing
cope
with
selective
pressures
from
fluctuations.
In
contrast,
bacteria
Pseudomonas
aeruginosa
Salmonella
influence
behavior
toxin
release
biofilm
formation,
highlighting
complex
co-evolutionary
dynamics
between
hosts
pathogens.
Additionally,
these
pathogens
employ
“Trojan
Horse-like”
“Worm
Star”
kill
,
further
complicating
host-pathogen
interactions.
These
processes
are
driven
by
adaptations,
biochemical
signaling,
evolutionary
pressures,
which
emphasize
niche
ecosystems.
serves
a
valuable
model
for
studying
study
provides
crucial
theoretical
insights
into
adaptive
evolution
ecosystem
dynamics,
offering
guidance
development
biocontrol
effective
management
Language: Английский