Cassava
(Manihot
esculenta
Crantz)
is
a
vital
tropical
root
crop
providing
essential
dietary
energy
to
over
800
million
people
in
and
subtropical
regions.
As
climate-resilient
crop,
its
significance
grows
as
the
human
population
expands.
However,
yield
improvement
faces
challenges
from
biotic
abiotic
stress
limited
breeding.
Advanced
sequencing
assembly
techniques
enabled
generation
of
highly
accurate,
nearly
complete,
haplotype-resolved
genome
African
cassava
cultivar
TMEB117.
It
most
accurate
sequence
date
with
base-level
accuracy
QV
>
64,
N50
35
Mbp,
98.9%
BUSCO
completeness.
Over
60%
comprises
repetitive
elements.
We
predicted
45,000
gene
models
for
both
haplotypes.
This
achievement
offers
valuable
insights
into
heterozygosity
organization
genome,
improved
accuracy,
completeness,
phased
genomes.
Due
high
susceptibility
Mosaic
Virus
(ACMV)
infections
compared
other
varieties,
TMEB117
provides
an
ideal
reference
studying
virus
resistance
mechanisms,
including
epigenetic
variations
smallRNA
expressions.
New Phytologist,
Год журнала:
2024,
Номер
242(4), С. 1486 - 1506
Опубликована: Янв. 31, 2024
Summary
Mycorrhizal
symbioses
between
plants
and
fungi
are
vital
for
the
soil
structure,
nutrient
cycling,
plant
diversity,
ecosystem
sustainability.
More
than
250
000
species
associated
with
mycorrhizal
fungi.
Recent
advances
in
genomics
related
approaches
have
revolutionized
our
understanding
of
biology
ecology
associations.
The
genomes
250+
been
released
hundreds
genes
that
play
pivotal
roles
regulating
symbiosis
development
metabolism
characterized.
rDNA
metabarcoding
metatranscriptomics
provide
novel
insights
into
ecological
cues
driving
communities
functions
expressed
by
these
associations,
linking
to
traits
such
as
acquisition
organic
matter
decomposition.
Here,
we
review
genomic
studies
revealed
involved
uptake
development,
discuss
adaptations
fundamental
evolution
lifestyles.
We
also
evaluated
services
provided
networks
how
hold
promise
sustainable
agriculture
forestry
enhancing
stress
tolerance.
Overall,
unraveling
intricate
dynamics
is
paramount
promoting
sustainability
addressing
current
pressing
environmental
concerns.
This
ends
major
frontiers
further
research.
Genomics Proteomics & Bioinformatics,
Год журнала:
2023,
Номер
21(3), С. 427 - 439
Опубликована: Апрель 25, 2023
Abstract
Over
the
past
20
years,
tremendous
advances
in
sequencing
technologies
and
computational
algorithms
have
spurred
plant
genomic
research
into
a
thriving
era
with
hundreds
of
genomes
decoded
already,
ranging
from
those
nonvascular
plants
to
flowering
plants.
However,
complex
genome
assembly
is
still
challenging
remains
difficult
fully
resolve
conventional
methods
due
high
heterozygosity,
highly
repetitive
sequences,
or
ploidy
characteristics
genomes.
Herein,
we
summarize
challenges
assembly,
including
feasible
experimental
strategies,
upgrades
technology,
existing
methods,
different
phasing
algorithms.
Moreover,
list
actual
cases
projects
for
readers
refer
draw
upon
solve
future
problems
related
Finally,
expect
that
accurate,
gapless,
telomere-to-telomere,
phased
could
soon
become
routine.
Orchidaceae
is
one
of
the
largest,
most
diverse
families
in
angiosperms
with
significant
ecological
and
economical
values.
Orchids
have
long
fascinated
scientists
by
their
complex
life
histories,
exquisite
floral
morphology
pollination
syndromes
that
exhibit
exclusive
specializations,
more
than
any
other
plants
on
Earth.
These
intrinsic
factors
together
human
influences
also
make
it
a
keystone
group
biodiversity
conservation.
The
advent
sequencing
technologies
transgenic
techniques
represents
quantum
leap
orchid
research,
enabling
molecular
approaches
to
be
employed
resolve
historically
interesting
puzzles
basic
applied
biology.
To
date,
16
different
genomes
covering
four
subfamilies
(Apostasioideae,
Vanilloideae,
Epidendroideae,
Orchidoideae)
been
released.
genome
projects
given
rise
massive
data
greatly
empowers
studies
pertaining
key
innovations
evolutionary
mechanisms
for
breadth
species.
extensive
exploration
transcriptomics,
comparative
genomics,
recent
advances
gene
engineering
linked
important
traits
orchids
multiplicity
regulating
networks,
providing
great
potential
genetic
enhancement
improvement.
In
this
review,
we
summarize
progress
achievement
fundamental
research
industrialized
application
particular
focus
tools,
future
prospects
breeding
post-genomic
comprehensive
assemblage
state
art
knowledge
industrialization.
Horticultural Plant Journal,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 1, 2024
Rosa
banksiae,
known
as
Lady
Banks'
rose,
is
a
perennial
ornamental
crop
and
versatile
herb
in
traditional
Chinese
medicine.
Given
the
lack
of
genomic
resources,
we
assembled
HiFi
Nanopore
sequencing-derived
458.58
Mb
gap-free
telomere-to-telomere
high-quality
R.
banksiae
genome
with
scaffold
N50
=
63.90
Mb.
The
exhibited
no
lineage-specific
whole-genome
duplication
compared
other
Rosaceae.
phylogenomic
analysis
13
Rosaceae
Arabidopsis
through
comparative
genomics
study
showed
that
numerous
gene
families
were
both
before
after
diversification
Some
these
genes
are
candidates
for
new
have
evolved
from
parental
fusion
events.
Fusion
divided
into
three
types:
Type-I
Type-II
contain
two
generated
by
duplication,
distributed
same
different
regions
genome,
respectively;
Type-III
can
only
be
detected
one
gene.
Here,
found
to
more
relaxed
selection
pressure
lower
Ks
values
than
Type-II,
indicating
newly
may
play
important
roles
driving
phenotypic
evolution.
Functional
formed
regulate
phenotype
traits
plant
growth
development,
suggesting
functional
significance
genes.
This
identifies
could
responsible
evolution
provides
information
on
evolutionary
history
recently
diverged
species
genus.
Our
data
represents
major
progress
understanding
pattern
an
invaluable
resource
studies
plants.
Abstract
Background
Most
disease
resistance
(R)
genes
in
plants
encode
proteins
that
contain
leucine-rich-repeat
(LRR)
and
nucleotide-binding
site
(NBS)
domains,
which
belong
to
the
NBS-LRR
family.
The
sequenced
genomes
of
Fusarium
wilt-susceptible
Vernicia
fordii
its
resistant
counterpart,
montana
,
offer
significant
resources
for
functional
characterization
discovery
novel
tung
tree.
Results
Here,
we
identified
239
across
two
tree
genomes:
90
V.
149
.
Five
VmNBS-LRR
paralogous
were
predicted
43
orthologous
detected
between
gene
pair
Vf11G0978-Vm019719
exhibited
distinct
expression
patterns
:
Vf11G0978
showed
downregulated
while
Vm019719
demonstrated
upregulated
indicating
this
may
be
responsible
wilt
from
activated
by
VmWRKY64
was
shown
confer
a
virus-induced
silencing
(VIGS)
experiment.
However,
susceptible
allelic
an
ineffective
defense
response,
attributed
deletion
promoter’s
W-box
element.
Conclusions
This
study
provides
first
systematic
analysis
identifies
candidate
can
utilized
marker-assisted
breeding
control
Frontiers in Chemistry,
Год журнала:
2024,
Номер
11
Опубликована: Янв. 10, 2024
Introduction:
We
here
describe
a
new
method
for
distinguishing
authentic
Bletilla
striata
from
similar
decoctions
(namely,
Gastrodia
elata
,
Polygonatum
odoratum
and
ochracea
schltr
).
Methods:
Preliminary
identification
analysis
of
four
types
decoction
pieces
were
conducted
following
the
Chinese
Pharmacopoeia
local
standards.
Intelligent
sensory
data
then
collected
using
an
electronic
nose,
tongue,
eye,
chromatography
obtained
via
high-performance
liquid
(HPLC).
Partial
least
squares
discriminant
(PLS-DA),
support
vector
machines
(SVM),
back
propagation
neural
network
(BP-NN)
models
built
each
set
single-source
authenticity
(binary
classification
B.
vs.
other
samples)
species
determination
(multi-class
sample
identification).
Features
extracted
all
datasets
unsupervised
approach
[principal
component
(PCA)]
supervised
(PLS-DA).
Mid-level
fusion
was
used
to
combine
features
effects
feature
extraction
methods
on
model
performance
compared.
Results
Discussion:
Gas
chromatography–ion
mobility
spectrometry
(GC-IMS)
showed
significant
differences
in
abundances
volatile
organic
compounds
between
types.
In
determination,
PLS-DA
SVM
based
fused
latent
variables
(LVs)
performed
best,
with
100%
accuracy
both
calibration
validation
sets.
identification,
principal
components
(PCs)
or
LVs
had
best
performance,
just
one
misclassification
set.
models,
better
than
PCs.
Model
identify
PCs
that
strongly
contributed
accurate
classification,
PC
factor
loading
matrix
assess
correlation
original
variables.
This
study
serves
as
reference
future
efforts
accurately
evaluate
quality
medicine
pieces,
promoting
medicinal
formulation
safety.
Molecular Horticulture,
Год журнала:
2024,
Номер
4(1)
Опубликована: Апрель 16, 2024
Roses
are
consistently
ranked
at
the
forefront
in
cut
flower
production.
Increasing
demands
of
market
and
changing
climate
conditions
have
resulted
need
to
further
improve
diversity
quality
traits.
However,
frequent
hybridization
leads
highly
heterozygous
nature,
including
allelic
variants.
Therefore,
absence
comprehensive
genomic
information
them
making
it
challenging
molecular
breeding.
Here,
two
haplotype-resolved
chromosome
genomes
for
Rosa
chinensis
'Chilong
Hanzhu'
(2n
=
14)
which
is
high
diploid
old
Chinese
rose
generated.
An
amount
genetic
variation
(1,605,616
SNPs,
209,575
indels)
identified.
13,971
genes
show
differential
expression
patterns
between
haplotypes.
Importantly,
these
differences
hold
valuable
insights
into
regulatory
mechanisms
RcMYB114b
can
influence
cyanidin-3-glucoside
accumulation
its
promoter
activity,
as
a
factor
control
petal
color.
Moreover,
gene
family
expansion
may
contribute
abundance
terpenes
floral
scents.
Additionally,
RcANT1,
RcDA1,
RcAG1
RcSVP1
involved
regulation
number
size
under
heat
stress
treatment.
This
study
provides
foundation
breeding
important
characteristics
roses.
Plants,
Год журнала:
2025,
Номер
14(5), С. 689 - 689
Опубликована: Фев. 24, 2025
A
Bletilla
striata
(Thunb.)
Reichb.f.,
known
as
Bai
Ji
in
Chinese,
is
a
plant
from
the
Orchidaceae
family
that
has
been
used
for
its
medicinal
properties
thousands
of
years
China.
B.
holds
significant
economic
value
due
to
esteemed
applications.
Our
study
aimed
analyze
transcriptome
wild
tubers
across
multiple
understand
molecular
mechanisms
regulating
polysaccharide
metabolism
and
tuber
enlargement.
We
collected
samples
different
growth
ages
analyzed
their
chemical
composition,
including
total
phenols,
polysaccharides,
alkaloids,
proteins.
The
results
showed
content
these
compounds
varied
with
age
plants.
focused
on
analyzing
genes
associated
accelerating
seedling
cycle,
which
immense
preservation
optimal
utilization
superior
orchid
resources.
To
further
investigate
underlying
mechanisms,
we
performed
comprehensive
analysis
explore
gene
expression,
functional
annotation,
regulatory
networks
related
development
composition
tubers.
quality
perennial
herbs
intricately
linked
age.
Unfortunately,
excessive
resource
excavation
resulted
premature
harvesting
herbs,
causing
decline
overall
effectiveness.
offers
valuable
insights
into
conservation