Macromolecular Materials and Engineering,
Journal Year:
2023,
Volume and Issue:
308(11)
Published: July 9, 2023
Abstract
To
support
and
move
toward
a
sustainable
bioeconomy,
the
production
of
polyhydroxyalkanoates
(PHAs)
using
renewable
biomass
has
acquired
more
attention.
However,
expensive
pretreatment
low
yield
PHAs
pose
significant
disadvantages
in
its
large‐scale
production.
overcome
such
limitations,
most
recent
advances
metabolic
engineering
strategies
used
to
develop
high‐performance
strains
that
are
leading
new
manufacturing
concept
converting
with
co‐products
as
amino
acids,
proteins,
biohydrogen,
biosurfactants,
various
fine
chemicals
critically
summarized.
This
review
article
presents
comprehensive
roadmap
highlights
integrated
biorefinery
strategies,
lifecycle
analysis,
techno‐economic
assessment
for
economic
Finally,
current
future
challenges
must
be
addressed
transfer
this
technology
real‐world
applications
reviewed.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(8), P. 8666 - 8686
Published: Feb. 12, 2024
Bioplastics
are
one
of
the
answers
that
can
point
society
toward
a
sustainable
future.
Under
this
premise,
synthesis
polymers
with
competitive
properties
using
low-cost
starting
materials
is
highly
desired
factor
in
industry.
Also,
tackling
environmental
issues
such
as
nonbiodegradable
waste
generation,
high
carbon
footprint,
and
consumption
nonrenewable
resources
some
current
concerns
worldwide.
The
scientific
community
has
been
placing
efforts
into
biosynthesis
bacteria
other
microbes.
These
microorganisms
be
convenient
reactors
to
consume
food
agricultural
wastes
convert
them
biopolymers
inherently
attractive
biodegradability,
biocompatibility,
appreciable
mechanical
chemical
properties.
Such
applied
several
fields
packing,
cosmetics,
pharmaceutical,
medical,
biomedical,
agricultural.
Thus,
intending
elucidate
science
microbes
produce
polymers,
review
starts
brief
introduction
bioplastics
by
describing
their
importance
methods
for
production.
second
section
dives
regarding
biochemical
routes
along
advantages
disadvantages.
third
covers
main
parameters
influence
biopolymers'
Some
applications
comparison
between
obtained
from
petrochemical-based
ones
presented.
Finally,
discussion
about
future
aspects
challenges
field
provided
should
tackled
wide
application
preparation
bioplastics.
Engineering Microbiology,
Journal Year:
2022,
Volume and Issue:
2(4), P. 100036 - 100036
Published: July 27, 2022
The
production
of
biofuels
and
biochemicals
derived
from
microbial
fermentation
has
received
a
lot
attention
interest
in
light
concerns
about
the
depletion
fossil
fuel
resources
climatic
degeneration.
However,
economic
viability
feedstocks
for
biological
conversion
remains
barrier,
urging
researchers
to
develop
renewable
sustainable
low-cost
carbon
sources
future
bioindustries.
Owing
numerous
advantages,
acetate
been
regarded
as
promising
feedstock
targeting
acetyl-CoA-derived
chemicals.
This
review
aims
highlight
potential
building
block
industrial
biotechnology
bio-based
chemicals
with
metabolic
engineering.
Different
alternative
approaches
routes
comprised
lignocellulosic
biomass,
waste
streams,
C1
gas
generation
are
briefly
described
evaluated.
Then,
thorough
explanation
pathway
biotechnological
conversion,
cellular
transport,
toxin
tolerance
is
described.
Particularly,
current
developments
engineering
manufacture
summarized
detail,
various
cell
factories
strategies
proposed
improve
assimilation
enhance
product
formation.
Challenges
development
well
eventually
shown.
provides
an
overview
status
utilization
proves
great
biotechnology.
Polysaccharides,
Journal Year:
2024,
Volume and Issue:
5(3), P. 241 - 287
Published: July 13, 2024
Exopolysaccharides
(EPSs)
are
a
diverse
class
of
biopolymers
synthesized
by
microorganisms
under
environmental
stress
conditions,
such
as
pH,
temperature,
light
intensity,
and
salinity.
They
offer
biodegradable
environmentally
friendly
alternatives
to
synthetic
polymers.
Their
structural
versatility
functional
properties
make
them
unique
in
various
industries,
including
food,
pharmaceuticals,
biomedicine,
cosmetics,
textiles,
petroleum,
remediation.
In
this
way,
among
the
well-known
EPSs,
homopolysaccharides
like
dextran,
bacterial
cellulose,
curdlan,
levan,
well
heteropolysaccharides
xanthan
gum,
alginate,
gellan,
kefiran,
have
found
widespread
applications
numerous
fields.
However,
recent
attention
has
focused
on
potential
role
extremophile
bacteria
producing
EPSs
with
novel
unusual
protective
biological
features
extreme
conditions.
Therefore,
review
provides
an
overview
commonly
employed
EPSs.
It
emphasizes
their
importance
industries
scientific
endeavors
while
highlighting
raised
interest
exploring
compositions,
structures,
properties,
underexplored
functionalities.
Nevertheless,
despite
benefits
challenges
persist.
Hence,
discusses
these
challenges,
explores
opportunities,
outlines
future
directions,
focusing
impact
developing
innovative,
sustainable,
materials.
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
17(16)
Published: April 26, 2024
Abstract
The
valorization
of
lignin,
a
currently
underutilized
component
lignocellulosic
biomass,
has
attracted
attention
to
promote
stable
and
circular
bioeconomy.
Successful
approaches
including
thermochemical,
biological,
catalytic
lignin
depolymerization
have
been
demonstrated,
enabling
opportunities
for
lignino‐refineries
biorefineries.
Although
significant
progress
in
made,
this
review
describes
unexplored
chemical
biological
routes
thereby
contributes
economically
environmentally
sustainable
lignin‐utilizing
This
also
highlights
the
integration
identifies
research
gaps
while
recommending
future
directions
scaling
processes
establish
lignino‐chemical
industry.
Microbial Cell Factories,
Journal Year:
2024,
Volume and Issue:
23(1)
Published: July 1, 2024
Abstract
Background
Plastic
is
widely
utilized
in
packaging,
frameworks,
and
as
coverings
material.
Its
overconsumption
slow
degradation,
pose
threats
to
ecosystems
due
its
toxic
effects.
While
polyhydroxyalkanoates
(PHA)
offer
a
sustainable
alternative
petroleum-based
plastics,
their
production
costs
present
significant
obstacles
global
adoption.
On
the
other
side,
multitude
of
household
industrial
activities
generate
substantial
volumes
wastewater
containing
both
organic
inorganic
contaminants.
This
not
only
poses
threat
but
also
presents
opportunities
get
benefits
from
circular
economy.
Main
body
abstract
Production
bioplastics
may
be
improved
by
using
nutrients
minerals
feedstock
for
microbial
fermentation.
Strategies
like
feast-famine
culture,
mixed-consortia
integrated
processes
have
been
developed
PHA
highly
polluted
with
high
loads.
Various
process
parameters
loading
rate,
content
(volatile
fatty
acids),
dissolved
oxygen,
operating
pH,
temperature
critical
roles
accumulation
biomass.
Research
advances
are
going
on
downstream
recovery
utilizing
combination
physical
chemical
(halogenated
solvents,
surfactants,
green
solvents)
methods.
review
highlights
recent
developments
upcycling
resources
into
PHA,
encompassing
various
strategies,
processing
methodologies,
techno-economic
analyses.
Short
conclusion
Organic
carbon
nitrogen
promising,
cost-effective
source
producing
bioplastic.
Previous
attempts
focused
enhancing
productivity
through
optimizing
culture
systems
growth
conditions.
However,
despite
technological
progress,
challenges
persist,
such
low
productivity,
intricate
processing,
scalability
issues,
properties
resulting
PHA.
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