Genomic analysis of Nypa fruticans elucidates its intertidal adaptations and early palm evolution
Journal of Integrative Plant Biology,
Journal Year:
2024,
Volume and Issue:
66(4), P. 824 - 843
Published: Feb. 19, 2024
ABSTRACT
Nypa
fruticans
(Wurmb),
a
mangrove
palm
species
with
origins
dating
back
to
the
Late
Cretaceous
period,
is
unique
for
investigating
long‐term
adaptation
strategies
intertidal
environments
and
early
evolution
of
palms.
Here,
we
present
chromosome‐level
genome
sequence
assembly
N.
.
We
integrated
genomes
other
family
members
comparative
genomic
analysis,
which
confirmed
that
common
ancestor
all
palms
experienced
whole‐genome
duplication
event
around
89
million
years
ago,
shaping
distinctive
characteristics
observed
in
this
clade.
also
inferred
low
mutation
rate
genome,
underwent
strong
purifying
selection
evolved
slowly,
thus
contributing
its
stability
over
long
evolutionary
period.
Moreover,
ancient
duplicates
were
preferentially
retained,
critical
genes
having
positive
selection,
enhancing
waterlogging
tolerance
Furthermore,
discovered
pseudogenization
Early
Methionine‐labelled
1
(
EM1
)
EM6
underly
crypto‐vivipary
characteristics,
reflecting
adaptation.
Our
study
provides
valuable
insights
into
history,
stability,
adaptive
palm.
results
shed
light
on
contribute
our
understanding
dynamics
family.
Language: Английский
Adaptation in Unstable Environments and Global Gene Losses: Small but Stable Gene Networks by the May–Wigner Theory
Molecular Biology and Evolution,
Journal Year:
2024,
Volume and Issue:
41(4)
Published: March 19, 2024
Abstract
Although
gene
loss
is
common
in
evolution,
it
remains
unclear
whether
an
adaptive
process.
In
a
survey
of
seven
major
mangrove
clades
that
are
woody
plants
the
intertidal
zones
daily
environmental
perturbations,
we
noticed
they
generally
evolved
reduced
numbers.
We
then
focused
on
largest
clade
Rhizophoreae
and
observed
continual
set
reduction
each
eight
species.
A
great
majority
losses
concentrated
interaction
processes,
presumably
to
cope
with
constant
fluctuations
tidal
environments.
Genes
general
processes
for
largely
retained.
particular,
fewer
found
physiological
traits
such
as
viviparous
seeds,
high
salinity,
tannin
content.
Given
broad
genome
reductions,
propose
May–Wigner
theory
(MWT)
system
stability
possible
mechanism.
MWT,
most
effective
solution
buffering
perturbations
reduce
size
(or
weaken
total
genic
interactions).
Mangroves
unique
immovable
inhabitants
compound
environments
land–sea
interface,
where
gradients
(such
salinity)
fluctuate
constantly,
often
drastically.
Extending
MWT
regulatory
network
(GRN),
computer
simulations
transcriptome
analyses
support
stabilizing
effects
smaller
sets
mangroves
vis-à-vis
inland
plants.
summary,
show
significance
plants,
including
specific
role
promoting
phenotype
innovation
GRN
unstable
predicted
by
MWT.
Language: Английский
Convergent Isobilateral Leaves Increase the Risk for Mangroves Facing Human‐Induced Rapid Environmental Changes
Yulin Weng,
No information about this author
Dandan Qin,
No information about this author
Li Xiao
No information about this author
et al.
Plant Cell & Environment,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 8, 2025
ABSTRACT
Understanding
plant
adaptations
in
extreme
environments
is
crucial,
as
these
often
confer
advantages
for
survival.
However,
a
significant
gap
exists
regarding
the
genetic
mechanisms
underlying
and
their
responses
to
human‐induced
rapid
environmental
change
(HIREC).
This
study
addresses
question
of
whether
convergence
occurs
among
plants
with
similar
adaptive
features,
specifically
focusing
on
isobilateral
leaves
mangrove
species.
Here,
we
analyse
mangroves
that
have
independently
adapted
coastal
intertidal
zones.
Our
findings
reveal
evident
gene
families
involved
leaf
abaxial
adaxial
development,
strong
selection
pressures
identified
photosynthesis
polarity
pathways.
Despite
adaptations,
species
occupy
narrower
ecological
niches
face
diminishing
suitable
habitat
areas
projected
under
various
HIREC
scenarios.
These
results
indicate
while
convergent
traits
enhance
local
adaptation,
they
may
also
increase
vulnerability
ongoing
changes.
research
provides
valuable
insight
into
interplay
between
adaptation
resilience,
underscoring
necessity
targeted
biodiversity
conservation
strategies
safeguard
specific
amid
shifts.
Language: Английский
Exotic Laguncularia racemosa drives rapid shifts in pond-to-mangrove restoration communities
Zhang Lin,
No information about this author
Yamian Zhang,
No information about this author
Yijuan Deng
No information about this author
et al.
Global Ecology and Conservation,
Journal Year:
2025,
Volume and Issue:
58, P. e03481 - e03481
Published: Feb. 5, 2025
Language: Английский
红树植物的系统起源、群体演化与生态适应性
Zixiao Guo,
No information about this author
YingXin HUANG,
No information about this author
Fa SI
No information about this author
et al.
Scientia Sinica Vitae,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 7, 2024
Exotic mangrove Laguncularia racemosa litter input accelerates nutrient cycling in mangrove ecosystems
Hongke Li,
No information about this author
Chunlian Chen,
No information about this author
Jiayi Zhou
No information about this author
et al.
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: Oct. 8, 2024
Exotic
plant
litter
presents
different
chemical
and
physical
properties
relative
to
native
alters
ecosystem
processes
functions
that
may
facilitate
exotic
dispersal.
However,
these
effects
are
largely
unknown,
especially
within
wetland
ecosystems.
This
study
examines
whether
introducing
from
the
mangrove
Laguncularia
racemosa
could
result
in
(1)
accelerated
community
decomposition
rates
increased
nutrient
cycling
(2)
microbial
structure
changes
invaded
areas.
A
single
experiment
using
litterbags
was
conducted
examine
short-term
of
L.
forest
ecosystem.
The
soil
nutrients
communities
Rhizophora
stylosa
,
mixed
forests
were
also
compared
explore
long-term
cumulative
results
indicated
has
lower-quality
leaf
than
R.
a
significantly
faster
rate.
caused
by
input,
which
favors
its
own
litter.
Both
effect
experiments
demonstrated
abundance
microbes
related
decomposition,
such
as
Proteobacteria
Bdellovibrionota,
enhanced
alpha
diversity
fungi,
thus
creating
environment
conducive
decomposition.
Moreover,
accumulation
lower
under
over
several
years.
be
more
rapid
growth
causes
absorption
storage
tissues,
thereby
reducing
content.
Inputting
reduced
blue
carbon
content,
potentially
adversely
affecting
global
climate
change.
employ
unique
strategy
levels
mangroves
based
on
low-quality
litter,
weakening
competitive
ability
plants
intolerant
low-nutrient
conditions
enhancing
advantage
further
spread
into
In
summary,
input
accelerates
local
mangroves.
Language: Английский