Microalgae-derived tocopherols: Biotechnological advances in production and its therapeutic potentials
Sustainable Chemistry and Pharmacy,
Journal Year:
2024,
Volume and Issue:
42, P. 101791 - 101791
Published: Sept. 27, 2024
Language: Английский
A review on design-build-test-learn cycle to potentiate progress in isoprenoid engineering of photosynthetic microalgae
Xiangyu Li,
No information about this author
Chengxiang Lan,
No information about this author
Xinyi Li
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et al.
Bioresource Technology,
Journal Year:
2022,
Volume and Issue:
363, P. 127981 - 127981
Published: Sept. 18, 2022
Language: Английский
Expression of fatty acid related gene promotes astaxanthin heterologous production in Chlamydomonas reinhardtii
Jin-peng Sun,
No information about this author
Xuehong Wei,
No information about this author
Xiaomei Cong
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et al.
Frontiers in Nutrition,
Journal Year:
2023,
Volume and Issue:
10
Published: March 20, 2023
Natural
astaxanthin
is
a
high-value
ketone
carotenoid
mainly
derived
from
Haematococcus
pluvialis
,
which
an
excellent
antioxidant
for
human
consumption.
To
study
the
role
of
lipids
in
accumulation
astaxanthin,
H.
-derived
synthesis
pathway
genes
(β-carotene
ketolase
gene,
BKT
and
β-carotene
hydroxylase
BCH
)
fatty
acid
elongation
gene
(mitochondrial
trans-2-enoyl-coa
reductase
MECR
were
heterologously
co-expressed
C.
reinhardtii
.
Zeaxanthin,
precursor
synthesis,
was
significantly
increased
after
expressed.
In
contrast,
α-carotene
that
competes
with
lycopene
decreased
significantly.
This
redistribution
carbon
flow
conducive
to
astaxanthin.
addition,
transformant
only
expressed
metabolism
related
(
would
lead
increase
total
lipid,
decrease
monounsaturated
acids
polyunsaturated
acids.
On
this
basis,
expression
further
relative
content
different
also
changed.
The
algal
strains
transformed
nearly
50%
higher
than
wild
type.
transformants
expressing
long-chain
by
227.5%.
study,
production
model
similar
combining
constructed
results
suggest
indeed
linked
regulation
metabolism,
link
may
involve
type
dynamics
ester
cells.
strategy
promoting
has
potential
achieve
efficient
Language: Английский
Proteomic and metabolomic revealed the effect of shading treatment on cigar tobacco
Tongjing Yan,
No information about this author
Bin Cai,
No information about this author
F. D. Li
No information about this author
et al.
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: July 19, 2024
Shading
or
low
light
conditions
are
essential
cultivation
techniques
for
cigar
wrapper
tobacco
leaves
production,
yet
their
impact
on
protein
and
metabolic
regulatory
networks
is
not
well
understood.
In
this
study,
we
integrated
proteomic
metabolomic
analyses
to
uncover
the
potential
molecular
mechanisms
affecting
under
shading
treatment.
Our
findings
include:
(1)
Identification
of
780
significantly
differentially
expressed
proteins
(DEPs)
in
leaves,
comprising
560
up-regulated
220
down-regulated
proteins,
predominantly
located
chloroplast,
cytoplasm,
nucleus,
collectively
accounting
50.01%.
(2)
Discovery
254
metabolites
(DEMs),
including
148
106
metabolites.
(3)
KEGG
pathway
enrichment
analysis
revealed
that
mevalonate
(MVA)
within
‘Terpenoid
backbone
biosynthesis’
was
inhibited,
leading
a
down-regulation
‘Sesquiterpenoid
triterpenoid
biosynthesis’.
Conversely,
2-C-methyl-D-erythritol
4-phosphate
(MEP)
enhanced,
resulting
an
up-regulation
‘Monoterpenoid
biosynthesis’,
‘Diterpenoid
‘Carotenoid
thereby
promoting
synthesis
terpenoids
such
as
carotenoids
chlorophylls.
Simultaneously,
Calvin
cycle
‘Carbon
fixation
photosynthetic
organisms’
amplified,
increasing
efficiency.
These
results
suggest
conditions,
optimizes
efficiency
by
reconfiguring
its
energy
metabolism
terpenoid
biosynthesis.
This
study
contributes
valuable
insights
into
analyses,
paving
way
future
functional
studies
plant
responses
light.
Language: Английский
A Design-Build-Test-Learn Cycle to Potentiate Progress in Isoprenoid Engineering of Photosynthetic Microalgae
Xiangyu Li,
No information about this author
Chengxiang Lan,
No information about this author
Xinyi Li
No information about this author
et al.
SSRN Electronic Journal,
Journal Year:
2022,
Volume and Issue:
unknown
Published: Jan. 1, 2022
Currently,
the
generation
of
isoprenoid
factories
in
microalgae
relies
on
two
strategies:
1)
enhanced
production
endogenous
isoprenoids;
or
2)
heterologous
terpenes
by
metabolic
engineering.
Nevertheless,
low
titers
and
productivity
are
still
a
feature
biotechnology
need
to
be
addressed.
In
this
context,
we
review
mechanisms
underlying
biosynthesis
its
relationship
with
central
carbon
metabolism.
Developments
microalgal
discussed,
advocate
new
approach
trends,
challenges
prospects
involved
engineering
introducing
an
integrated
"design-build-test-learn"
cycle.
Finally,
discuss
emerging
promising
strategies
tools
for
future.
This
encourages
systematic
perspective
aimed
at
potentiating
progress
photosynthetic
microalgae.
Language: Английский