Current Research in Biotechnology,
Год журнала:
2022,
Номер
4, С. 377 - 391
Опубликована: Янв. 1, 2022
Haloarchaea
comprise
the
extremely
halophilic
branch
of
phylum
Euryarchaeota
and
they
are
members
prokaryotic
domain
Archaea.
They
thrive
best
in
saline
habitats
with
salt
concentrations
2
to
5
mol
L–1
NaCl,
thus
under
conditions
near
saturation
water.
These
ancient
organisms
among
oldest
species
on
Earth,
characterized
by
ether-linked
lipids
cytoplasmic
membrane
murein-free
cell
walls.
increasingly
receiving
attention
as
microbial
factories
for
bioproduction
diverse
marketable
products,
such
bacterioruberin,
bacteriorhodopsin,
isoprenoids,
polyhydroxyalkanoates
(PHAs).
biopolyesters
serve
intracellular
storage
compounds
secondary
metabolism
haloarchaea
many
other
prokaryotes.
Engineered
or
wild
type
PHA-producing
that
utilize
inexpensive
raw
materials
bioproduction,
which
only
require
clean-in-place
procedures
run
PHA
production
bioprocesses,
currently
undergoing
scale-up
within
research
development
field
Archaea
Biotechnology.
In
addition,
PHAs
exhibit
high
potential
both
bio-based
biodegradable
plastic-like
bulk
products
industrial
biotechnology
market
("White
Biotechnology")
biopolymers.
However,
has
not
yet
reached
maturity.
The
present
review
discusses
background,
previous
research,
biological
role
biosynthesis
haloarchaea,
well
current
trends,
a
critical
discussion
its
broad
industrialization.
Biotechnology for Biofuels,
Год журнала:
2021,
Номер
14(1)
Опубликована: Апрель 23, 2021
Abstract
Plant
biomass
is
a
highly
abundant
renewable
resource
that
can
be
converted
into
several
types
of
high-value-added
products,
including
chemicals,
biofuels
and
advanced
materials.
In
the
last
few
decades,
an
increasing
number
species
processing
techniques
have
been
developed
to
enhance
application
plant
followed
by
industrial
some
during
which
varied
technologies
successfully
developed.
this
review,
we
summarize
different
sources
biomass,
evolving
for
treating
it,
various
products
derived
from
biomass.
Moreover,
challenges
inherent
in
valorization
used
are
also
discussed.
Overall,
with
increased
use
development
treatment
technologies,
solution
raised
valorization,
value-added
will
become
greater
more
valuable.
Reviews in Environmental Science and Bio/Technology,
Год журнала:
2021,
Номер
20(2), С. 479 - 513
Опубликована: Апрель 13, 2021
Abstract
Although
poly(3-hydroxybutyrate-
co
-3-hydroxyvalerate)
(PHBV)
is
the
most
promising
biopolymer
for
petroleum-based
plastics
replacement,
low
processes
productivity
as
well
high
sale
price
represent
a
major
barrier
its
widespread
usage.
The
present
work
examines
comparatively
existing
methods
to
enhance
yield
of
PHBV
co-polymer
biologically
produced
and/or
reduce
their
costs.
study
addressed
researchers
working
on
development
new
biological
production
improvement
those
currently
used.
At
this
aim,
authors
have
considered
analysis
some
crucial
aspects
related
substrates
and
microorganism’s
choice.
strategies
been
individuated,
presented
discussed,
either
based
single
aspect
(type
substrate
or
microorganism)
combined
microorganism).
Process
operating
conditions
discussed
well.
indicates
that
addition
3HV
precursors
capable
dramatically
hydroxyvalerate
fraction
in
biopolymers.
On
other
hand,
due
costs
precursors,
utilization
wild
bacterial
species
produce
from
unrelated
carbon
sources
(i.e.
no
precursors)
also
can
be
valuable
strategy
reduction.
Moreover,
metabolic
engineering
techniques
successfully
used
promote
precursors-independent
biosynthesis
pathways
process
productivity.
use
mixed
cultures
extremophile
bacteria
avoids
need
sterile
conditions,
therefore
favours
scale-up.
organic
waste
plays
key
role
sharp
reduction
Finally,
selection
suitable
substrate-microorganism
combination
cannot
separated
by
adoption
an
appropriate
choice
reactor
configuration
abiotic
factors.
Graphic
abstract
Polymers for Advanced Technologies,
Год журнала:
2021,
Номер
32(5), С. 1981 - 1996
Опубликована: Фев. 18, 2021
Abstract
The
global
accumulation
of
single‐use
plastic
bags
made
from
nonbiodegradable
plastics
is
the
most
concerning
environmental
issue
nowadays.
utilization
biodegradable
materials
a
choice
to
reduce
impact
resulting
use
products.
renewable
resources
produce
fully
among
technologies
used
overcome
petroleum
plastic's
negative
impact.
On
other
hand,
oxo‐biodegradable
where
prodegradant
additives
are
incorporated
in
conventional
promote
their
degradation
under
certain
conditions
has
recently
received
much
attention.
This
review
discusses
types
and
challenges
that
face
implementation
technology
uses
resources.
also
covers
debate
addressed
literature
about
biodegradability
fate
air,
compost,
soil,
landfill,
marine.
A
comparative
study
included
potential
published
last
10
years
was
performed.
Based
on
discussed
evidence
this
review,
it
can
be
concluded
all
agrees
addition
pro‐oxidant/prodegradants
accelerate
oxo‐plastics
small
fragments.
However,
complete
biodegradation
by
microorganisms
remains
doubt.
biopolymers
produced
natural
seem
future
direction
for
manufacturing
especially
bags.
Bioresource Technology,
Год журнала:
2021,
Номер
340, С. 125625 - 125625
Опубликована: Июль 22, 2021
In
the
Middle
East
and
North
Africa,
dates
are
a
traditional
economically
valuable
crop,
playing
an
essential
role
in
people's
daily
diets.
Date
fruit
production
related
processing
industry
generate
large
quantity
of
waste;
for
illustration,
date
juicing
produces
roughly
17–28%
press
cake
(DPC),
which
is
mainly
discarded
open
lands
drains.
Considering
generation
volume
nutrient
content
DPC,
this
organic
by-product
stream
can
be
valorized
through
wide
range
products
with
great
market
appeal,
such
as
volatile
fatty
acids,
activated
carbon,
etc.
To
provide
insight
into
feasibility
application
DPC
green
precursor
various
chemical
biological
processes,
nutritional
composition
overview
industries,
common
practices
conducted
valorization
addressed
thoroughly
discussed,
review.
