Summary
Some
plants
are
known
to
actively
close
their
stomata
in
the
presence
of
foliar
pathogens,
inhibiting
pathogen
entry
into
leaves,
leading
‘stoma‐based
immunity’
as
first
line
defense.
However,
variation
stoma‐based
innate
immunity
across
diversity
vascular
remains
unclear.
Here,
we
investigated
stomatal
response
and
guard
cell
signaling
pathway
various
seed
plant,
fern,
lycophyte
species
when
exposed
bacterial
pathogens
or
pathogen‐associated
molecular
patterns
(PAMPs).
We
observed
active
closure
10
bacteria
PAMPs,
whereas
none
nine
fern
one
exhibited
this
response.
The
PAMP
flg22‐induced
reactive
oxygen
burst
was
all
species,
but
downstream
events,
including
cytosolic
Ca
2+
accumulation,
nitric
oxide
production,
ion
fluxes,
vacuolar
acidification,
cytoplasmic
pH
elevation,
compartmentation,
disaggregation
actin
cytoskeleton
cells,
were
only
plants.
No
such
changes
representatives
ferns
lycophytes.
Our
findings
suggest
a
major
difference
regulation
between
lycophytes
under
study's
conditions,
unveiling
physiological
biophysical
mechanisms
that
may
have
underpinned
evolutionary
adaptation
responses
attacks
Nature Ecology & Evolution,
Год журнала:
2022,
Номер
6(11), С. 1634 - 1643
Опубликована: Сен. 29, 2022
Abstract
The
origin
of
plants
and
their
colonization
land
fundamentally
transformed
the
terrestrial
environment.
Here
we
elucidate
basis
this
formative
episode
in
Earth
history
through
patterns
lineage,
gene
genome
evolution.
We
use
new
fossil
calibrations,
a
relative
clade
age
calibration
(informed
by
horizontal
transfer)
phylogenomic
methods
for
mapping
family
origins.
Distinct
rooting
strategies
resolve
tracheophytes
(vascular
plants)
bryophytes
(non-vascular
as
monophyletic
sister
groups
that
diverged
during
Cambrian,
515–494
million
years
ago.
embryophyte
stem
is
characterized
burst
innovation,
while
subsequently
experienced
an
equally
dramatic
reductive
evolution
which
they
lost
genes
associated
with
elaboration
vasculature
stomatal
complex.
Overall,
our
analyses
reveal
extant
are
both
highly
derived
from
more
complex
ancestral
plant.
Understanding
requires
tracing
character
across
diversity
modern
lineages.
American Journal of Botany,
Год журнала:
2023,
Номер
110(5)
Опубликована: Май 1, 2023
Green
plants,
broadly
defined
as
green
algae
and
the
land
plants
(together,
Viridiplantae),
constitute
primary
eukaryotic
lineage
that
successfully
colonized
Earth's
emergent
landscape.
Members
of
various
clades
have
independently
made
transition
from
fully
aquatic
to
subaerial
habitats
many
times
throughout
history.
The
transition,
unicells
or
simple
filaments
complex
multicellular
plant
bodies
with
functionally
differentiated
tissues
organs,
was
accompanied
by
innovations
built
upon
a
genetic
phenotypic
toolkit
served
phototrophs
for
at
least
billion
years.
These
opened
an
enormous
array
new,
drier
places
live
on
planet
resulted
in
huge
diversity
dominated
terrestrial
ecosystems
over
past
500
million
This
review
examines
greening
several
perspectives,
paleontology
phylogenomics,
water
stress
responses
shared
genomic
evolution
sporophyte
generation.
We
summarize
advances
disparate
fronts
elucidating
this
important
event
biosphere
lacunae
our
understanding
it.
present
process
not
step-by-step
advancement
primitive
cells
inevitable
success
embryophytes,
but
rather
adaptations
exaptations
allowed
multiple
combinations
morphological
physiological
terrestrialized
traits,
become
diverse
successful
inhabitants
Earth.
New Phytologist,
Год журнала:
2023,
Номер
240(6), С. 2204 - 2209
Опубликована: Сен. 2, 2023
Summary
Plant
evolution
has
been
characterised
by
a
series
of
major
novelties
in
their
vegetative
and
reproductive
traits
that
have
led
to
greater
complexity.
Underpinning
this
diversification
the
genome.
When
viewed
at
scale
plant
kingdom,
genome
punctuated
conspicuous
instances
gene
whole‐genome
duplication,
horizontal
transfer
extensive
loss.
The
periods
dynamic
often
coincide
with
key
traits,
demonstrating
coevolution
genomes
phenotypes
macroevolutionary
scale.
Conventionally,
complexity
diversity
considered
through
lens
duplication
role
loss
remains
comparatively
unexplored.
However,
light
reductive
across
multiple
lineages,
association
between
phenotypic
warrants
attention.
New Crops,
Год журнала:
2024,
Номер
1, С. 100021 - 100021
Опубликована: Март 30, 2024
Stomata
are
tiny
pores
on
leaf
surfaces
essential
for
plant
transpiration
and
photosynthesis.
As
the
connecting
hub
between
atmosphere,
plants
soil,
stomata
play
a
significant
role
in
global
carbon
water
cycles.
The
shape
function
of
physically
constrained
by
stomatal
walls.
Compared
to
extensively
studied
genetic
mechanisms
development
guard
cell
signaling,
recent
progress
is
only
beginning
uncover
walls
dynamics.
In
this
review,
we
summarize
research
kidney-shaped
from
dicots
dumbbell-shaped
grasses.
dynamic
response
grass
closely
linked
its
anatomical
features
that
limited
walls,
discuss
potential
as
crucial
targets
crop
engineering
enhance
assimilation
use
efficiency.
Plant Cell & Environment,
Год журнала:
2024,
Номер
47(4), С. 1171 - 1184
Опубликована: Янв. 1, 2024
Abstract
To
successfully
survive,
develop,
grow
and
reproduce,
multicellular
organisms
must
coordinate
their
molecular,
physiological,
developmental
metabolic
responses
among
different
cells
tissues.
This
process
is
mediated
by
cell‐to‐cell,
vascular
and/or
volatile
communication,
involves
electric,
chemical
hydraulic
signals.
Within
this
context,
stomata
serve
a
dual
role
coordinating
to
the
environment
with
neighbouring
at
epidermis,
but
also
other
present
on
parts
of
plant.
As
represent
one
most
important
conduits
between
plant
its
above‐ground
environment,
as
well
directly
affect
photosynthesis,
respiration
status
controlling
gas
vapour
exchange
atmosphere,
overall
response
within
leaves
tissues
plays
cardinal
in
growth,
development
reproduction.
Here,
we
discuss
examples
local
systemic
stomatal
coordination,
signalling
pathways
that
mediate
them,
importance
coordination
our
food
supply,
ecosystems
weather
patterns,
under
changing
climate.
We
further
potential
biotechnological
implications
regulating
for
enhancing
agricultural
productivity
warmer
CO
2
‐rich
environment.
Journal of Experimental Botany,
Год журнала:
2024,
Номер
75(21), С. 6719 - 6732
Опубликована: Фев. 17, 2024
Abstract
Ethylene,
a
plant
hormone
that
significantly
influences
both
growth
and
response
to
stress,
plays
well-established
role
in
stress
signaling.
However,
its
impact
on
stomatal
opening
closure
during
dehydration
rehydration
remains
relatively
unexplored
is
still
debated.
Exogenous
ethylene
has
been
proven
induce
through
series
of
signaling
pathways,
including
the
accumulation
reactive
oxygen
species,
subsequent
synthesis
nitric
oxide
hydrogen
sulfide,
SLOW
ANION
CHANNEL-ASSOCIATED
1
activation.
Thus,
it
suggested
might
function
synergistically
with
abscisic
acid
(ABA).
Furthermore,
also
shown
increased
can
inhibit
ABA-
jasmonic
acid-induced
closure,
thus
hindering
drought-induced
dehydration.
Simultaneously,
other
stresses,
such
as
chilling,
ozone
pollution,
K+
deficiency,
drought-
ABA-induced
an
synthesis-dependent
manner.
take
opposing
rehydration,
preventing
absence
ABA
own
pathway.
These
findings
offer
novel
insights
into
regulation
giving
better
understanding
mechanisms
underlying
ethylene-induced
movement
seed
plants.
