Abscission in plants: from mechanism to applications
Advanced Biotechnology,
Год журнала:
2024,
Номер
2(3)
Опубликована: Авг. 9, 2024
Abscission
refers
to
the
natural
separation
of
plant
structures
from
their
parent
plants,
regulated
by
external
environmental
signals
or
internal
factors
such
as
stress
and
aging.
It
is
an
advantageous
process
it
enables
plants
shed
unwanted
organs,
thereby
regulating
nutrient
allocation
ensuring
dispersal
fruits
seeds
parent.
However,
in
agriculture
horticulture,
abscission
can
severely
reduce
crop
quality
yield.
In
this
review,
we
summarize
recent
advances
perspectives
developmental
molecular
biology,
emphasizing
diverse
regulatory
networks
across
different
lineages,
model
crops.
The
sophisticated
involves
several
overlapping
steps,
including
differentiation
zone,
activation
abscission,
tissue
detachment,
formation
a
protective
layer.
Finally,
discuss
potential
applications
physiological
modifications
genetic
manipulations
sustainable
future.
Язык: Английский
Single-cell transcriptomics of the Arabidopsis floral abscission zone
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2022,
Номер
unknown
Опубликована: Июль 16, 2022
Abstract
Abscission
is
the
programmed
separation
of
plant
organs.
It
widespread
in
kingdom
with
important
functions
development
and
environmental
response.
In
Arabidopsis,
abscission
floral
organs
(sepals,
petals,
stamens)
controlled
by
two
receptor-like
protein
kinases
HAESA
(HAE)
LIKE-2
(HSL2),
which
orchestrate
dissolution
zone
connecting
to
developing
fruit.
this
work,
we
use
single-cell
RNA-Sequencing
characterize
core
HAE/HSL2
gene
expression
program.
We
identify
MAP
KINASE
PHOSPHATASE-1/MKP1
as
a
negative
regulator
pathway.
MKP1
acts
prior
activation
signaling
establish
threshold
required
for
initiation
abscission.
By
analogy
electrical
circuit
control,
liken
molecular
grounding
mechanism
that
dissipates
errant
pathway
absent
signaling.
Furthermore,
data
genes
expressed
sub-populations
cells:
those
proximal
distal
plane
separation.
INFLORESCENCE
DEFICIENT
IN
ABSCISSION/IDA
,
encoding
activating
ligand
HAE/HSL2,
one
mRNAs
most
highly
enriched
cells
at
base
abscising
show
how
pattern
forms
biophysical
breaker
whereby,
when
organ
shed,
source
IDA
peptide
removed,
leading
cessation
Overall,
work
provides
insight
into
multiple
control
mechanisms
acting
on
abscission-signaling
Язык: Английский
Precise control of falling flowers and fruits is a key part of improving quality and efficiency
New Crops,
Год журнала:
2024,
Номер
unknown, С. 100052 - 100052
Опубликована: Сен. 1, 2024
Язык: Английский
Arabidopsis uses a molecular grounding mechanism and a biophysical circuit breaker to limit floral abscission signaling
Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
121(44)
Опубликована: Окт. 25, 2024
Abscission
is
the
programmed
separation
of
plant
organs.
It
widespread
in
kingdom
with
important
functions
development
and
environmental
response.
In
Arabidopsis,
abscission
floral
organs
(sepals,
petals,
stamens)
controlled
by
two
receptor-like
protein
kinases
HAESA
(HAE)
LIKE-2
(HSL2),
which
orchestrate
dissolution
zone
connecting
to
developing
fruit.
this
work,
we
use
single-cell
RNA
sequencing
characterize
core
Язык: Английский