Plants,
Год журнала:
2024,
Номер
13(24), С. 3481 - 3481
Опубликована: Дек. 12, 2024
Pogostemon
cablin
(Patchouli),
an
essential
medicinal
plant
in
the
Lamiaceae
family,
faces
significant
challenges
under
continuous
cropping
(CC)
obstacles.
This
study
examined
rhizospheric
soil
bacterial
communities
of
patchouli
four
different
CC
years,
zero
(CK),
one
(T1),
two
(T2),
and
three
(T3)
years
through
high-throughput
16S
rRNA
gene
amplicon
sequencing.
Results
showed
long-term
led
to
properties
enzyme
activity
shifts.
Key
parameters
such
as
pH
total
potassium
(TK)
decreased,
while
ammonium
nitrogen
(NH4+–N),
organic
carbon
(SOC),
nitrate
(NO3−–N),
available
(AK),
phosphorus
(AP),
(TN),
(TP)
increased
over
years.
Enzyme
activities,
including
ß-glucosidase
(ß-GC),
polyphenol
oxidase
(PPO),
catalase
(CAT),
N-acetyl-β-D-glucosaminidase
(NAG),
leucine
aminopeptidase
(LAP),
were
notably
affected.
The
altered
community
structure
composition,
reducing
relative
abundance
Proteobacteria,
Firmicutes,
Actinobacteria,
Planctomycetota
time.
These
findings
highlight
impact
on
rhizosphere
bacteria,
providing
insights
for
improved
management
fertilization
strategies
systems.
Genes,
Год журнала:
2024,
Номер
15(9), С. 1239 - 1239
Опубликована: Сен. 23, 2024
Background/Objectives:
Rehmannia
glutinosa,
a
highly
valuable
medicinal
plant
in
China,
is
encountering
severe
replant
disease.
Replant
disease
represents
complex
stress
driven
by
multiple
principal
factors
(RDFs),
including
allelochemicals,
microbes,
and
their
interactions.
miRNAs
are
recognized
as
key
regulators
of
response
to
stresses;
however,
specific
roles
within
RDFs
not
entirely
clear.
Methods:
This
study
builds
six
RDF
treatments,
comprising
R.
glutinosa
continuously
planted
(SP),
normally
(NP),
NP
treated
with
ferulic
acid
(FA),
Fusarium
oxysporum
(FO),
combination
FA
FO
(FAFO).
sRNA-seq
technology
was
used
identify
crucial
diverse
RDFs.
Results:
In
total,
30
sRNA
datasets
were
generated
from
the
SP,
NP,
FA,
FO,
FAFO
samples.
A
total
160
known
41
novel
(RgmiRNAs)
identified
genome
based
on
database.
Abundance
analysis
revealed
that
RgmiRNAs
SP
exhibited
distinct
expression
profile
comparison
others.
Of
these,
124,
86,
90
differentially
expressed
compared
NP.
Target
indicated
downregulated
both
impede
organism
growth
glutinosa.
upregulated
can
disrupt
root
formation
nutrient
metabolism,
which,
two
RgmiR398
uniquely
SP.
It
confirmed
target
RgCSD
genes.
The
patterns
induces
oxidative
damage
through
RgmiR398.
Conclusions:
RgmiRNA
profiling
under
provides
theoretical
basis
for
further
clarification
function
Frontiers in Microbiology,
Год журнала:
2024,
Номер
15
Опубликована: Ноя. 18, 2024
Endophytic
bacteria,
part
of
the
plant
microbiome,
hold
significant
potential
for
enhancing
cultivation
and
sustainability
medicinal
plants
(MPs).
These
microbes
are
integral
to
many
functions,
including
growth
promotion,
nutrient
acquisition,
resistance
biotic
abiotic
stresses.
However,
traditional
practices
often
overlook
importance
these
beneficial
microbes,
leading
reduced
crop
yields,
lower
phytochemical
quality,
increased
susceptibility
diseases.
The
domestication
MPs
use
chemical
fertilizers
disrupt
natural
microbial
diversity
in
soils,
essential
health
productivity
plants.
This
disruption
can
lead
loss
plant–microbe
interactions,
which
vital
production
bioactive
compounds
with
therapeutic
properties.
Recent
advances
microbiome
research,
supported
by
omics
technologies,
have
expanded
our
understanding
how
endophytic
bacteria
be
leveraged
enhance
MP
quality.
directly
boost
promoting
or
indirectly
restoring
healthy
soil
microbiomes.
They
also
harnessed
as
factories
produce
valuable
compounds,
either
transforming
plant-derived
precursors
into
substances
synthesizing
unique
metabolites
that
mimic
secondary
metabolites.
offers
a
sustainable
low-cost
alternative
cultivation,
reducing
carbon
footprint
preserving
endangered
species.
In
conclusion,
integrating
research
agricultural
could
revolutionize
cultivation.
By
focusing
on
component,
particularly
endophytes,
we
develop
more
productive
methods
cultivating
plants,
ultimately
contributing
biodiversity
conservation
high-value
products.
Molecules,
Год журнала:
2024,
Номер
29(22), С. 5333 - 5333
Опубликована: Ноя. 13, 2024
To
investigate
the
soil-specific
metabolites
of
Codonopsis
pilosula
under
different
stubble
management
practices,
this
study
analyzed
differentially
abundant
in
rhizosphere
soils
rotational
(DS)
and
continuous
(LS)
cropping
systems
via
liquid
chromatography–tandem
mass
spectrometry
(LC–MS/MS)-based
metabolomic
approaches.
The
results
revealed
that
66
metabolites,
including
amino
acids
their
derivatives,
nucleic
acids,
alcohols,
organic
amines,
fatty
purines,
sugars,
were
significantly
(p
<
0.05)
between
DS
LS
groups.
Under
cropping,
levels
sugars
soil
greater
than
those
whereas
purines
pyrimidines
lower
0.05).
KEGG
pathway
enrichment
analysis
these
enriched
metabolic
pathways
such
as
acid
metabolism
(e.g.,
alanine,
aspartate,
glutamate
metabolism),
carbon
metabolism,
cAMP
signaling
pathway,
ABC
transporter
proteins,
phenylalanine
biosynthesis
plant
secondary
metabolites.
These
involved
osmoregulation,
energy
supply,
resilience
plants.
In
conclusion,
inter-root
able
to
influence
physicochemical
properties
microbial
populations
by
participating
various
biological
processes.
Plants,
Год журнала:
2024,
Номер
13(24), С. 3481 - 3481
Опубликована: Дек. 12, 2024
Pogostemon
cablin
(Patchouli),
an
essential
medicinal
plant
in
the
Lamiaceae
family,
faces
significant
challenges
under
continuous
cropping
(CC)
obstacles.
This
study
examined
rhizospheric
soil
bacterial
communities
of
patchouli
four
different
CC
years,
zero
(CK),
one
(T1),
two
(T2),
and
three
(T3)
years
through
high-throughput
16S
rRNA
gene
amplicon
sequencing.
Results
showed
long-term
led
to
properties
enzyme
activity
shifts.
Key
parameters
such
as
pH
total
potassium
(TK)
decreased,
while
ammonium
nitrogen
(NH4+–N),
organic
carbon
(SOC),
nitrate
(NO3−–N),
available
(AK),
phosphorus
(AP),
(TN),
(TP)
increased
over
years.
Enzyme
activities,
including
ß-glucosidase
(ß-GC),
polyphenol
oxidase
(PPO),
catalase
(CAT),
N-acetyl-β-D-glucosaminidase
(NAG),
leucine
aminopeptidase
(LAP),
were
notably
affected.
The
altered
community
structure
composition,
reducing
relative
abundance
Proteobacteria,
Firmicutes,
Actinobacteria,
Planctomycetota
time.
These
findings
highlight
impact
on
rhizosphere
bacteria,
providing
insights
for
improved
management
fertilization
strategies
systems.
