Frontiers in Microbiology,
Journal Year:
2022,
Volume and Issue:
13
Published: Nov. 10, 2022
Soil
microbiota
plays
a
significant
role
in
plant
development
and
health
appears
to
be
major
component
of
certain
forms
grapevine
decline.
A
greenhouse
experiment
was
conducted
study
the
impact
microbiological
quality
soil
rootstock
genotype
on
root
microbial
community
young
plants.
Two
rootstocks
heterografted
with
same
scion
were
grown
two
vineyard
soils
differing
composition
activities.
After
4
months,
culture-dependent
approaches
amplicon
sequencing
bacterial
16S
rRNA
gene
fungal
ITS
performed
roots,
rhizosphere
bulk
samples.
The
mycorrhizal
colonization
number
cultivable
microorganisms
compartment
both
genotypes
clearly
influenced
by
status.
diversity
richness
dependent
status
rootstock,
whereas
affected
only.
Fungal
genera
associated
diseases
more
abundant
declining
related
compartmentalization
communities,
underscoring
its
influence
microorganism
selection.
Fluorescence
situ
hybridization
(FISH)
confirmed
presence
predominant
root-associated
bacteria.
These
results
emphasized
importance
shaping
microbiome
vines.
Journal of Experimental Botany,
Journal Year:
2023,
Volume and Issue:
74(8), P. 2667 - 2679
Published: Jan. 18, 2023
Abstract
Plants
exude
secondary
metabolites
from
the
roots
to
shape
composition
and
function
of
their
microbiome.
Many
these
compounds
are
known
for
anti-microbial
activities
play
a
role
in
plant
immunity,
such
as
indole-derived
phytoalexin
camalexin.
Here
we
studied
dynamics
camalexin
synthesis
exudation
upon
interaction
Arabidopsis
thaliana
with
growth
promoting
bacteria
Pseudomonas
sp.
CH267
or
bacterial
pathogen
Burkholderia
glumae
PG1.
We
show
that
while
accumulation
is
more
rapidly
but
transiently
induced
bacteria,
induces
higher
stable
levels.
By
combination
experiments
cut
shoots
roots,
grafting
wild-type
plants
mutants
synthesis,
showed
can
be
produced
released
by
both
organs,
intact
exuded
originates
shoots.
also
reveal
root
specific
CYP71A27
protein
specifically
affects
outcome
its
transcript
levels
controlled
shoot
derived
signal.
In
conclusion,
seems
on
whole
level
coordinated
between
roots.
Molecular Plant,
Journal Year:
2023,
Volume and Issue:
17(2), P. 258 - 276
Published: Dec. 7, 2023
The
growth-promoting
hormones
brassinosteroids
(BRs)
and
their
key
signaling
component
BZR1
play
a
vital
role
in
balancing
normal
growth
defense
reactions.
Here,
we
discovered
that
BRs
OsBZR1
upregulated
sakuranetin
accumulation
conferred
basal
against
Magnaporthe
oryzae
infection
under
conditions.
Resource
shortages,
including
phosphate
(Pi)
deficiency,
potentially
disrupt
this
growth–defense
balance.
OsSPX1
OsSPX2
have
been
reported
to
sense
Pi
concentration
interact
with
the
signal
mediator
OsPHR2,
thus
regulating
starvation
responses.
In
study,
OsSPX1/2
interacts
both
Pi-sufficient
Pi-deficient
conditions,
inhibiting
BR-responsive
genes.
When
is
sufficient,
captured
by
enabling
most
of
promote
plant
maintain
resistance.
response
starvation,
more
released
from
OsPHR2
inhibit
activity,
resulting
slower
growth.
Collectively,
our
study
reveals
OsBZR1–SPX1/2
module
balances
growth–immunity
trade-off
availability.
Functional Ecology,
Journal Year:
2023,
Volume and Issue:
37(4), P. 976 - 988
Published: Jan. 25, 2023
Abstract
Food
crops
are
a
vital
source
of
nutrition
for
humans
and
domestic
animals,
with
an
estimated
4
billion
metric
tons
food
produced
per
year.
Crops
do
not
only
provide
yields,
but
their
traits
also
play
significant
role
in
regulating
the
ecosystem
processes
croplands,
affecting
local
biotas,
water
balance,
nutrient
carbon
cycling.
Domestication
has
led
to
changes
crop
traits,
making
it
important
understand
recent
evolution
how
they
differ
from
wild
plants.
In
this
paper
I
review
evidence
on
ecological
herbaceous
have
evolved
during
after
domestication.
Loss
seed
dispersal
mechanisms,
increased
plant
organ
sizes,
high
rates
consumption
by
herbivores
fast
decomposition
residues
decomposer
microbes
soil,
all
independently
domestication
different
crops.
point
out
types
which
we
identified
common
responses
domestication,
be
because
species
disparate,
or
lack
strong
evidence.
Those
include
resource
acquisition
leaves
roots,
whole‐plant
growth
rates.
Then,
discuss
research
gaps
field,
including
advance
knowledge
those
that
show
apparently
idiosyncratic
Finally,
emphasize
importance
understanding
interactions
other
organisms
environment
breed
deliver
yield
services
required
croplands.
To
end,
introduce
ideotype
sustainable
agriculture,
might
inspire
breeding
multipurpose
crops,
same
way
than
ideotypes
Green
Revolution
inspired
elite
varieties
foster
yields
under
conventional
agriculture.
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free
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article
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