Frontiers in Microbiology,
Год журнала:
2022,
Номер
13
Опубликована: Июль 28, 2022
Phyllospheric
microbial
composition
of
tobacco
(
Nicotiana
tabacum
L.)
is
contingent
upon
certain
factors,
such
as
the
growth
stage
plant,
leaf
position,
and
cultivar
its
geographical
location,
which
influence,
either
directly
or
indirectly,
growth,
overall
health,
production
plant.
To
better
understand
spatiotemporal
variation
community
divergence
phyllospheric
microflora,
procured
from
healthy
diseased
leaves
infected
by
Alternaria
alternata
,
current
study
employed
microbe
culturing,
high-throughput
technique,
BIOLOG
ECO.
Microbe
culturing
resulted
in
isolation
153
culturable
fungal
isolates
belonging
to
33
genera
99
bacterial
15
genera.
High-throughput
sequencing
revealed
that
phyllosphere
was
dominantly
colonized
Ascomycota
Proteobacteria,
whereas,
most
abundant
were
Pseudomonas
.
The
relative
abundance
increased
upper
middle
groups
first
collection
time
third,
Pseudomonas,
Sphingomonas
Methylobacterium
same
positions
during
gradual
aging.
Non-metric
multi-dimensional
scaling
(NMDs)
showed
clustering
communities
samples,
while
all
found
scattered.
FUNGuild
analysis,
third
one
both
groups,
indicated
an
increase
Pathotroph-Saprotroph,
Pathotroph-Saprotroph-Symbiotroph,
Pathotroph-Symbiotroph.
Inclusive
per
PICRUSt
predominant
pathway
metabolism
function
accounting
for
50.03%.
average
values
omnilog
units
(OUs)
relatively
higher
utilization
rates
carbon
sources
flora
leaves.
According
analysis
genus
abundances,
position
important
drivers
change
structuring
communities.
findings
complex
ecological
dynamics
occur
over
course
a
varying
environment
with
development
brown
spots,
highlighting
importance
succession.
Journal of Agricultural and Food Chemistry,
Год журнала:
2022,
Номер
70(16), С. 4860 - 4870
Опубликована: Апрель 18, 2022
The
leaves
of
plants
are
colonized
by
various
microorganisms.
In
comparison
to
the
rhizosphere,
less
is
known
about
characteristics
and
ecological
functions
phyllosphere
Phyllosphere
microorganisms
mainly
originate
from
soil,
air,
seeds.
composition
affected
abiotic
factors.
execute
multiple
influencing
leaf
longevity,
seed
mass,
fruit
development,
homeostasis
host
growth.
A
plant
can
respond
secondary
metabolite
secretion
its
immune
system.
Meanwhile,
play
an
important
role
in
stability
environmental
safety
assessment.
However,
as
a
result
instability
environment
poor
cultivability
current
research,
there
still
many
limitations,
such
lack
insight
into
mechanisms
plant–microorganism
interactions,
roles
growth
processes,
responses
metabolites,
etc.
This
review
summarizes
latest
progress
made
research
recent
years.
beneficial
for
deepening
our
understanding
promoting
plant–atmosphere
pathogens,
biological
control.
Frontiers in Microbiology,
Год журнала:
2021,
Номер
12
Опубликована: Май 28, 2021
Dynamic
consortium
of
microbial
communities
(bacteria,
fungi,
protists,
viruses,
and
nematodes)
colonizing
multiple
tissue
types
coevolving
conclusively
with
the
host
plant
is
designated
as
a
microbiome.
The
interplay
between
its
mutualists
supports
several
agronomic
functions,
establishing
crucial
role
in
beneficial
activities.
Deeper
functional
mechanistic
understanding
plant-microbial
ecosystems
will
render
many
“ecosystem
services”
by
emulating
symbiotic
interactions
plants,
soil,
microbes
for
enhanced
productivity
sustainability.
Therefore,
microbiome
engineering
represents
an
emerging
biotechnological
tool
to
directly
add,
remove,
or
modify
properties
higher
specificity
efficacy.
main
goal
enhancement
functions
such
biotic/abiotic
stresses,
fitness
productivities,
etc.
Various
ecological-,
biochemical-,
molecular-based
approaches
have
come
up
new
paradigm
disentangling
microbiome-based
agromanagement
hurdles.
Furthermore,
multidisciplinary
provide
predictive
framework
achieving
reliable
sustainably
engineered
plant-microbiome
stress
physiology,
nutrient
recycling,
high-yielding
disease-resistant
genotypes.
Abstract
Background
One
promise
of
the
recently
presented
microbiome
definition
suggested
that,
in
combination
with
unifying
concepts
and
standards,
research
could
be
important
for
solving
new
challenges
associated
anthropogenic-driven
changes
various
microbiota.
With
this
commentary
we
want
to
further
elaborate
suggestion,
because
noticed
specific
signatures
microbiota
affected
by
Anthropocene.
Results
Here,
discuss
based
on
a
review
available
literature
our
own
targeting
exemplarily
plant
microbiome.
It
is
not
only
crucial
plants
themselves
but
also
linked
planetary
health.
We
suggest
that
different
human
activities
are
commonly
shift
diversity
evenness
microbiota,
which
characterized
decrease
host
specificity,
an
increase
r-strategic
microbes,
pathogens,
hypermutators.
The
resistome,
anchored
microbiome,
follows
antimicrobial
resistance
(AMR)
mechanisms
as
well
plasmid-associated
genes.
This
typical
signature
Anthropocene
often
dysbiosis
loss
resilience,
leads
frequent
pathogen
outbreaks.
Although
several
these
observations
already
confirmed
meta-studies,
issue
requires
more
attention
upcoming
studies.
Conclusions
Our
aims
inspire
holistic
studies
development
solutions
restore
save
microbial
ecosystem
functioning
closely
connected
Frontiers in Plant Science,
Год журнала:
2025,
Номер
15
Опубликована: Янв. 20, 2025
The
quality
of
fresh
tea
leaves
is
crucial
to
the
final
product,
and
maintaining
microbial
stability
in
plantations
essential
for
optimal
plant
growth.
Unique
communities
play
a
critical
role
shaping
flavor
enhancing
resilience
against
biotic
stressors.
Tea
production
frequently
challenged
by
pests
diseases,
which
can
compromise
both
yield
quality.
While
stress
generally
has
detrimental
effects
on
plants,
it
also
activates
defense
metabolic
pathways,
leading
shifts
communities.
Microbial
biocontrol
agents
(MBCAs),
including
entomopathogenic
antagonistic
microorganisms,
present
promising
alternative
synthetic
pesticides
mitigating
these
stresses.
In
addition
controlling
MBCAs
influence
composition
communities,
potentially
health
resilience.
However,
despite
significant
advances
laboratory
research,
field-level
impacts
microecology
remain
insufficiently
explored.
This
review
provides
insights
into
interactions
among
insects,
offering
strategies
improve
pest
disease
management
plantations.
Environmental Science and Ecotechnology,
Год журнала:
2020,
Номер
4, С. 100061 - 100061
Опубликована: Сен. 15, 2020
Recent
studies
have
shown
that
various
agrochemicals
can
substantially
affect
microbial
communities;
especially
those
are
associated
with
cultivated
plants.
Under
certain
circumstances,
up
to
50%
of
the
naturally
occurring
microorganisms
be
negatively
affected
by
common
agricultural
practices
such
as
seed
coating
fungicide-based
matrices.
Nevertheless,
off-target
effects
commonly
applied
still
understudied
in
terms
their
interferences
communities.
At
same
time,
agrochemical
inputs
steadily
increasing
due
intensification
agriculture
and
pathogen
pressure
is
currently
observed
worldwide.
In
this
article,
we
briefly
reflect
on
current
knowledge
related
pesticide
interference
communities
discuss
negative
implications
for
plant
holobiont
well
spanning
beyond
local
system
borders.
Cumulative
cause
alterations
functioning
likely
unforeseen
geochemical
cycles
should
addressed
a
high
priority
ongoing
research.
A
holistic
assessment
will
allow
us
objectively
select
most
suitable
means
food
production
under
scenario
growing
global
population
aggravating
climatic
conditions.
We
present
three
hypothetical
solutions
might
facilitate
more
sustainable
less
damaging
application
pesticides
future.
