bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Дек. 22, 2023
Abstract
Transposable
elements
can
be
activated
in
response
to
environmental
changes
and
lead
DNA
sequence.
Their
target
sites
of
insertions
have
previously
been
thought
random,
but
this
theory
has
lately
contradicted.
For
instance,
mobilization
is
favored
towards
genes
involved
regulatory
processes.
This
makes
them
interesting
as
potential
players
rapid
responses
required
under
stressful
conditions.
In
paper,
we
report
the
in-depth
characterization
an
Arabidopsis
thaliana
Col-0-based
line
whose
altered
methylation
pattern
made
it
vulnerable
for
transposable
element
movement.
We
identified
a
retrotransposition
into
transporter
glucosinolate
defense
compounds.
As
consequence
movement,
plants
showed
tissue-specific
profiles
levels
accompanied
by
rewiring
glucosinolate-
defense-related
transcriptional
changes.
single
had
strong
impact
on
plants’
resistance
insect
herbivory,
our
findings
highlight
play
role
plant
adaptation.
Plants,
Год журнала:
2023,
Номер
12(3), С. 570 - 570
Опубликована: Янв. 27, 2023
In
recent
years,
a
renewed
interest
in
novel
crops
has
been
developing
due
to
the
environmental
issues
associated
with
sustainability
of
agricultural
practices.
particular,
cover
crop,
Camelina
sativa
(L.)
Crantz,
belonging
Brassicaceae
family,
is
attracting
scientific
community's
for
several
desirable
features.
It
related
model
species
Arabidopsis
thaliana,
and
its
oil
extracted
from
seeds
can
be
used
either
food
feed,
or
industrial
uses
such
as
biofuel
production.
From
an
agronomic
point
view,
it
grow
marginal
lands
little
no
inputs,
practically
resistant
most
important
pathogens
Brassicaceae.
Although
cultivated
past,
particularly
northern
Europe
Italy,
last
century,
was
abandoned.
For
this
reason,
breeding
work
conducted
improve
plant,
also
because
low
genetic
variability
present
hexaploid
species.
review,
we
summarize
main
works
on
focused
improvement
three
objectives:
yield,
seed
content
quality,
reduction
glucosinolates
seed,
which
are
anti-nutritional
substances
camelina.
We
report
latest
advances
utilising
classical
plant
breeding,
transgenic
approaches,
CRISPR-Cas9
genome-editing.
Plant Communications,
Год журнала:
2023,
Номер
4(4), С. 100565 - 100565
Опубликована: Фев. 23, 2023
Glucosinolates
(GSLs),
found
mainly
in
species
of
the
Brassicaceae
family,
are
one
most
well-studied
classes
secondary
metabolites.
Produced
by
action
myrosinase
on
GSLs,
GSL-derived
hydrolysis
products
(GHPs)
primarily
defend
against
biotic
stress
planta.
They
also
significantly
affect
quality
crop
products,
with
a
subset
GHPs
contributing
unique
food
flavors
and
multiple
therapeutic
benefits
or
causing
disagreeable
odors
health
risks.
Here,
we
explore
potential
these
bioactive
functions,
which
could
be
exploited
for
future
sustainable
agriculture.
We
first
summarize
our
accumulated
understanding
GSL
diversity
distribution
across
representative
species.
then
systematically
discuss
evaluate
unutilized
genes
involved
biosynthesis,
transport,
as
candidate
engineering
targets.
Benefiting
from
available
information
GHP
options
multifunctional
ideotypes
to
meet
demand
diversification
production.
An
integrated
roadmap
is
subsequently
proposed
guide
ideotype
development,
maximization
beneficial
effects
minimization
detrimental
combined
associated
various
end
uses.
Based
several
use-case
examples,
advantages
limitations
biotechnological
approaches
that
may
contribute
effective
deployment
provide
novel
insights
optimization
engineering.
The Plant Journal,
Год журнала:
2025,
Номер
121(3)
Опубликована: Фев. 1, 2025
SUMMARY
Seeds
of
Brassicaceae
produce
a
large
diversity
beneficial
and
antinutritional
specialized
metabolites
(SMs)
that
influence
their
quality
provide
resistance
to
stresses.
While
SM
distribution
has
been
described
in
leaves
root
tissues,
limited
information
is
available
about
spatiotemporal
accumulation
seeds.
Camelina
sativa
(camelina)
an
oilseed
cultivated
for
human
animal
nutrition
industrial
uses.
we
previously
explored
plasticity,
no
expression
related
proteins
genes
camelina
In
this
study,
used
multi‐omic
approach,
integrating
untargeted
metabolomics,
proteomics,
transcriptomics
investigate
the
synthesis,
modification,
degradation
SMs
accumulated
seed
tissues
(seed
coat,
endosperm,
embryo)
at
six
developmental
two
germination
stages.
Metabolomic
results
showed
distinct
patterns
pathways,
highlighting
significant
contrasts
composition
spatial
defense‐related
glucosinolate
(GSL)
compounds
among
camelina,
Arabidopsis
thaliana
,
Brassica
napus
three
closely
species.
Notably,
thanks
metabolomic
proteomic/transcriptomic
techniques
variation
GSL
distributions
was
primarily
driven
by
differences
structure
(metabolomics
data)
transport
(transcriptomic
proteomic
mechanisms.
Long‐chain
C8–C11
methylsulfinylalkyl
GSLs
were
predominantly
coat
while
mid‐
short‐chain
C3–C7
embryo.
Characterizing
dynamics
provides
valuable
insights
can
guide
development
crops
with
optimized
toxic
metabolites,
improving
nutritional
profiles.
Natural Product Reports,
Год журнала:
2024,
Номер
41(5), С. 834 - 859
Опубликована: Янв. 1, 2024
Diversity,
functions
and
related
enzymes
of
Specialized
Metabolite
(SM)
modifications
from
plants
seeds
Brassicaceae
are
summarized
in
this
review.
A
particular
focus
is
made
on
SM
plasticity
modification
seeds.
PLANT PHYSIOLOGY,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 15, 2025
Abstract
The
emerging
crop
Camelina
sativa
(L.)
Crantz
(camelina)
is
a
Brassicaceae
oilseed
with
rapidly
growing
reputation
for
the
deployment
of
advanced
lipid
biotechnology
and
metabolic
engineering.
recognised
by
agronomists
its
traits
including
yield,
oil/protein
content,
drought
tolerance,
limited
input
requirements,
plasticity
resilience.
Its
utility
as
platform
engineering
was
then
quickly
recognised,
biotechnologists
have
benefited
from
short
life
cycle
facile
genetic
transformation,
producing
numerous
transgenic
interventions
to
modify
seed
content
generate
novel
products.
desire
work
plant
that
both
model
has
driven
expansion
research
resources
camelina,
increased
availability
genome
other
“-omics”
data
sets.
Collectively
these
established
camelina
an
ideal
study
regulation
metabolism
improvement.
Furthermore,
unique
characteristics
enables
design-build-test-learn
be
transitioned
controlled
environment
field.
Complex
synthesize
accumulate
high
levels
fatty
acids
modified
oils
in
seeds,
can
deployed,
tested
undergo
rounds
iteration
agronomically
relevant
environments.
Engineered
are
now
increasingly
being
developed
used
sustainably
supply,
improved
nutrition,
feed,
biofuels
fossil
fuel
replacements
high-value
chemical
In
this
review,
we
provide
summary
acid
synthesis
oil
assembly
highlighting
how
discovery
supports
advance
towards
predictive
manipulation
produce
desirable
bio-based
Further
examples
innovation
improvement
provided,
describing
technologies
(e.g.,
modification
(GM),
gene
editing
(GE),
RNAi,
alongside
GM
GE
stacking)
applied
new
products
denude
undesirable
traits.
Focusing
on
production
long
chain
polyunsaturated
omega-3
describe
transition
commercial
prototype.
prospects
structured
triacylglycerol
specified
stereospecific
positions
also
discussed,
future
outlook
agronomic
uptake
biotechnology.
Abstract
Background
Camelina
is
an
oilseed
crop
with
particularly
useful
fatty
acid
and
amino
profiles
of
its
seeds,
high
resilience
to
abiotic
biotic
stresses,
a
short
life
cycle.
Previous
genetic
engineering
approaches
in
camelina
have
largely
relied
on
the
floral
dip
method
which
is,
however,
associated
genotype-dependent
efficiency
incompatibility
methods
direct
biomolecule
delivery.
Results
Here,
we
established
novel
transgenesis
for
camelina,
taking
advantage
regenerative
capacity
immature
embryos.
Various
culture
conditions
treatments
were
experimentally
validated,
included
duration
explant
pre-cultivation,
wounding
explants
time
application,
Agrobacterium
strain
density
inoculum,
acetosyringone
concentration,
explant-
co-cultivation,
as
well
application
concentration
selective
agent
hygromycin.
We
provide
convergent
evidence
stable
transgenicity
transgene
inheritance
by
(1)
selection
resistance
hygromycin,
(2)
PCR,
(3)
detection
product
GFP,
(4)
DNA
gel
blot
analysis
involving
primary
transgenic
plants
segregating
progeny.
Primary
transgenics
examined
detail
featured
one
three
T-DNA
integration
loci,
seven
copies
being
integrated
total
per
plant.
The
proved
efficient
across
all
tested
accessions
including
two
current
cultivars,
whereby
transformation
efficiencies,
determined
PCR-positive
related
agro-inoculated
explants,
between
13
17%
obtained.
Conclusion
With
this
method,
viable
platform
functional
validation
genes-of-interest
biotechnological
improvements
plant
performance
quality
features
camelina.
Plants,
Год журнала:
2024,
Номер
13(4), С. 465 - 465
Опубликована: Фев. 6, 2024
Camelina
is
an
oil
seed
crop
that
enjoying
increasing
interest
because
it
has
a
particularly
valuable
fatty
acid
profile,
modest
regarding
its
water
and
nutrient
requirements,
comparatively
resilient
to
abiotic
biotic
stress
factors.
The
regeneration
of
plants
from
cells
accessible
genetic
manipulation
essential
prerequisite
for
the
generation
genetically
engineered
plants,
be
by
transgenesis
or
genome
editing.
Here,
immature
embryos
were
used
on
assumption
their
incomplete
differentiation
was
associated
with
totipotency.
In
culture,
regenerative
structures
appeared
adventitiously
at
embryos’
hypocotyls.
For
this,
application
auxin-
cytokinin-type
growth
regulators
essential.
formation
most
efficient
when
indole-3-acetic
added
induction
medium
1
mg/L,
zygotic
walking
stick
stage
used,
hypocotyls
stimulated
pricking
wound
response.
Histological
examinations
revealed
adventitious
shoots
initiated
locally
activated
cell
division
proliferation
in
epidermis
outer
cortex
hypocotyl.
While
established
principle
using
experimental
line
Cam139,
method
proved
similarly
applicable
current
cultivar
Ligena,
hence
constitutes
vital
basis
future
engineering
approaches.