Journal of Fungi,
Год журнала:
2021,
Номер
7(11), С. 917 - 917
Опубликована: Окт. 28, 2021
The
yeast
Starmerella
bombicola
distinguishes
itself
from
other
yeasts
by
its
potential
of
producing
copious
amounts
the
secondary
metabolites
sophorolipids
(SLs):
these
are
glycolipid
biosurfactants
composed
out
a(n)
(acetylated)
sophorose
moiety
and
a
lipid
tail.
Although
SLs
subject
numerous
research
papers
have
been
commercialized,
e.g.,
in
eco-friendly
cleaning
solutions,
natural
function
still
remains
elusive.
This
article
investigates
several
hypotheses
for
why
S.
invests
that
much
energy
production
SLs,
we
conclude
main
is
niche
protection:
(1)
extracellular
storage
an
energy-rich,
yet
metabolically
less
accessible
carbon
source
can
be
utilized
upon
conditions
starvation
with
(2)
antimicrobial
properties.
In
this
way,
creates
dual
advantage
competition
microorganisms.
Additionally,
expedite
growth
on
rapeseed
oil,
triacylglycerols
which
hydrophobic
substrates
present
yeasts'
environment,
non-SL
strain
(Δcyp52M1).
It
was
also
found
that-at
least
under
lab
conditions-SLs
do
not
provide
protection
against
high
osmotic
pressure
prevalent
sugar-rich
environments
such
as
honey
or
nectar
habitat
bombicola.
Frontiers in Chemistry,
Год журнала:
2024,
Номер
12
Опубликована: Янв. 19, 2024
Biosurfactants
have
garnered
increased
attention
lately
due
to
their
superiority
of
properties
over
fossil-derived
counterparts.
While
the
cost
production
remains
a
significant
hurdle
surpass
synthetic
surfactants,
biosurfactants
been
anticipated
gain
larger
market
share
in
coming
decades.
Among
these,
glycolipids,
type
low-molecular-weight
biosurfactant,
stand
out
for
efficacy
reducing
surface
and
interfacial
tension,
which
made
them
highly
sought-after
various
surfactant-related
applications.
Glycolipids
are
composed
hydrophilic
carbohydrate
moieties
linked
hydrophobic
fatty
acid
chains
through
ester
bonds
that
mainly
include
rhamnolipids,
trehalose
lipids,
sophorolipids,
mannosylerythritol
lipids.
This
review
highlights
current
landscape
glycolipids
covers
specific
glycolipid
productivity
diverse
range
products
found
global
market.
Applications
such
as
bioremediation,
food
processing,
petroleum
refining,
biomedical
uses,
increasing
agriculture
output
discussed.
Additionally,
latest
advancements
reduction
challenges
utilizing
second-generation
feedstocks
sustainable
also
thoroughly
examined.
Overall,
this
proposes
balance
between
environmental
advantages,
economic
viability,
societal
benefits
optimized
integration
secondary
biosurfactant
production.
Biotechnology Advances,
Год журнала:
2022,
Номер
60, С. 108013 - 108013
Опубликована: Июнь 23, 2022
Microbial
biosurfactants
have
attracted
the
attention
of
researchers
and
companies
for
last
decades,
as
they
are
considered
promising
candidates
to
replace
chemical
surfactants
in
numerous
applications.
Although
years,
considerable
advances
were
performed
regarding
strain
engineering
use
low-cost
substrates
order
reduce
their
production
costs,
one
main
bottlenecks
is
at
industrial
scale.
Conventional
aerobic
biosurfactant
processes
result
excessive
foaming,
due
high
agitation
aeration
rates
necessary
increase
dissolved
oxygen
concentration
allow
microbial
growth
production.
Different
approaches
been
studied
overcome
this
problem,
although
with
limited
success.
A
not
widely
explored
alternative
development
foam-free
through
anaerobic
biosurfactant-producing
microorganisms.
Surfactin,
produced
by
Bacillus
subtilis,
most
lipopeptide
biosurfactant,
powerful
known
so
far.
licheniformis
strains
produce
lichenysin,
a
which
structure
similar
surfactin.
However,
despite
its
extraordinary
surface-active
properties
potential
applications,
lichenysin
has
scarcely
studied.
According
previous
studies,
B.
better
adapted
than
could
be
good
biosurfactants.
In
review,
limitations
surfactin
under
conditions
will
analyzed,
possibility
implementing
production,
expand
market
applications
different
fields,
discussed.
Molecules,
Год журнала:
2022,
Номер
27(17), С. 5556 - 5556
Опубликована: Авг. 29, 2022
Sophorolipids
are
well-known
glycolipid
biosurfactants,
produced
mainly
by
non-pathogenic
yeast
species
such
as
Candida
bombicola
with
high
yield.
Its
unique
environmental
compatibility
and
biodegradable
properties
have
made
them
a
focus
in
the
present
review
for
their
promising
applications
diverse
areas.
This
study
aims
to
examine
current
research
trends
of
sophorolipids
evaluate
food
health.
A
literature
search
was
conducted
using
different
databases
including
PubMed,
ScienceDirect,
EBSCOhost,
Wiley
Online
Library
identify
studies
on
fundamental
mechanisms
Studies
shown
that
various
structural
forms
exhibit
biological
physicochemical
properties.
represent
one
most
attractive
biosurfactants
industry
due
antimicrobial
action
against
both
Gram-positive
Gram-negative
microorganisms
health
sectors.
In
this
review,
we
provided
an
overview
detailed
analysis
areas
food,
agriculture,
pharmaceutical,
cosmetic,
anticancer,
activities.
Molecules,
Год журнала:
2022,
Номер
27(15), С. 5037 - 5037
Опубликована: Авг. 8, 2022
Biosurfactants
with
anti-inflammatory
activity
may
alleviate
skin
irritation
caused
by
synthetic
surfactants
in
cleaning
products.
Sophorolipid
(SL)
is
a
promising
alternative
to
surfactants.
However,
there
are
few
reports
on
the
of
SL
and
underlying
mechanism.
The
purpose
this
work
verify
that
lipopolysaccharide
(LPS)-induced
inflammation
could
be
inhibited
through
targeting
pathway
nuclear
factor-κB
(NF-κB)
RAW264.7
cells.The
influence
cytokine
release
was
investigated
LPS-induced
cells
using
ELISA.
quantification
protein
expression
corresponding
molecular
markers
realized
Western
blot
analysis.
Flow
cytometry
employed
determine
levels
Ca2+
reactive
oxygen
species
(ROS).
relative
inducible
nitric
oxide
synthase
(INOS)
cyclooxygenase-2
(COX-2)
determined
RT-PCR.
An
immunofluorescence
assay
confocal
microscope
were
used
observe
NF-κB/p65
translocation
from
cytoplasm
into
nucleus.
likely
targets
predicted
docking
analysis.SL
showed
reduced
inflammatory
cytokines
including
interleukin-6
(IL-6),
tumor
necrosis
factor-α
(TNF-α),
(NO).
experimental
results
show
suppressed
ROS
influx
alleviated
iNOS
COX-2,
NF-κB
(p65)
nucleus,
phosphorylated
proteins
such
as
p65
IκBα.
Furthermore,
analysis
inhibit
signaling
competing
LPS
bind
TLR4/MD-2
hydrophobic
interactions
inhibiting
IKKβ
activation
hydrogen
bonding
interactions.This
study
demonstrated
exerted
via
cells.
Sustainability,
Год журнала:
2024,
Номер
16(3), С. 1076 - 1076
Опубликована: Янв. 26, 2024
Agriculture
plays
a
major
role
on
society,
especially
in
developing
countries
which
rely
commodity
exportation
markets.
To
maintain
high
crop
productivity,
the
use
of
agrochemicals
was
once
employed
as
main
strategy,
turn
affected
soil,
water,
and
human
health.
In
order
to
aid
this
issue,
identifying
some
alternatives,
such
implementation
biofertilizers
inoculants
bioinputs
modern
agriculture,
are
imperative
improve
ecosystem
quality.
Among
these
bioinputs,
few
bioproducts
have
shown
good
performances,
phytohormones
(e.g.,
auxins
giberellins),
biosurfactants,
other
enzymes;
thus,
it
is
extremely
important
assure
quality
feasibility
their
production
biorefinery
scenarios.
These
can
be
synthesized
through
fermentation
processes
utilizing
plant
biomasses
agricultural
byproducts
carbon
sources.
sense,
increase
tecno-economical
availability
processes,
solid-state
(SSF)
has
great
potential
due
its
ease
operation
cost-attractiveness.
Therefore,
study
aims
describe
substrates
used
SSF
systems
for
bioinputs;
associated
hurdles,
parameters,
conditions
selection;
most
suitable
microorganisms;
underlying
mechanisms
molecules
soil
dynamics.
Within
context,
expected
contribute
development
new
biorefineries
mitigation
environmental
impacts.
Applied Microbiology and Biotechnology,
Год журнала:
2024,
Номер
108(1)
Опубликована: Апрель 27, 2024
Abstract
As
a
kind
of
biosurfactants,
iturin
A
has
attracted
people’s
wide
attentions
due
to
their
features
biodegradability,
environmentally
friendly,
etc.;
however,
high
production
cost
limited
its
extensive
application,
and
the
aim
this
research
wants
improve
in
Bacillus
amyloliquefaciens
.
Firstly,
dual
promoter
was
applied
strengthen
synthetase
expression,
yield
increased
1.25
g/L.
Subsequently,
original
5′-UTRs
downstream
genes
(
ituA
,
ituB
ituC
)
cluster
were
optimized,
which
significantly
mRNA
secondary
stability,
produced
by
resultant
strain
HZ-T3
reached
2.32
Secondly,
synthetic
pathway
α-glucosidase
inhibitor
1-deoxynojirimycin
blocked
substrate
corn
starch
utilization,
34.91%
3.13
Thirdly,
efficient
precursor
(fatty
acids,
Ser,
Pro)
supplies
proven
as
critical
role
synthesis,
5.52
g/L
attained
strain,
through
overexpressing
yngH
serC
introducing
ocD
Meanwhile,
responsible
for
poly-γ-glutamic
acid,
extracellular
polysaccharide,
surfactin
syntheses
deleted,
led
30.98%
increase
yield.
Finally,
lipopeptide
transporters
screened,
17.98%
SwrC
overexpression
8.53
g/L,
is
highest
ever
reported.
This
study
laid
foundation
industrial
application
development
A,
provided
guidance
metabolic
engineering
breeding
other
metabolites
synthesized
non-ribosomal
peptide
synthetase.
Key
points
•
Optimizing
5′-UTR
an
effective
tactics
regulate
expression.
Blocking
1-DNJ
synthesis
benefited
utilization
production.
The
work
reported
so
far.
Journal of Nanobiotechnology,
Год журнала:
2025,
Номер
23(1)
Опубликована: Фев. 3, 2025
Biofilm-associated
lung
infections,
particularly
those
caused
by
Staphylococcus
aureus
(S.
aureus),
pose
significant
clinical
challenges
to
conventional
therapies.
S.
Biofilm
infections
are
refractory
treatment
due
the
presence
of
persister
bacterial
cells
and
barrier
effect
unique
extracellular
polymeric
substances
(EPS).
This
study
describes
development
multifunctional
micelles,
HK-SL
Ms,
utilizing
sophorolipid
(SL)
encapsulate
Honokiol
(HK).
Ms
potently
disrupted
EPS
barrier,
killed
some
internal
colonizing
bacteria,
inhibited
further
adhesion.
Consequently,
dynamic
cycling
biofilms
was
hindered,
achieving
a
promising
removal
biofilms.
In
vitro
studies
demonstrated
that
exhibited
antimicrobial
reduction
6.42
log10CFU/mL.
eradicated
71.73%
targeting
polysaccharides,
proteins,
viable
within
biofilm.
Additionally,
1.66
log10CFU/mL
units
were
killed.
Moreover,
91.10%
early
biofilm
formation
obstructing
initial
adhesion
polysaccharides
polysaccharide
intercellular
adhesins
(PIA).
Thus,
reestablishment
reinfection
could
be
resolved
promisingly.
as
predominant
in
acute
pneumonia
chronic
cases,
inducing
similar
inflammation.
murine
model
infected
aureus,
significantly
reduced
load
lungs,
decreased
inflammatory
factor
levels,
repaired
tissue
damage.
offers
novel
strategy
for
biofilm-associated
dispersing
removing
preventing
new
infections.
Processes,
Год журнала:
2022,
Номер
10(12), С. 2675 - 2675
Опубликована: Дек. 12, 2022
Solid-state
fermentation
(SSF)
is
part
of
the
pathway
to
consolidate
waste
as
a
relevant
alternative
for
valorization
organic
waste.
The
objective
SSF
produce
one
or
several
bioproducts
added
value
from
solid
substrates.
can
use
wide
variety
substrates
thus,
it
an
excellent
candidate
in
framework
circular
bioeconomy
change
status
feedstock.
development
was
boosted
previous
decade
by
scientific
efforts
devoted
production
hydrolytic
enzymes.
Nowadays,
has
expanded
other
valuable
products:
biosurfactants,
biopesticides,
aromas,
pigments,
and
bio-flocculants,
among
others.
This
review
explores
conditions
obtain
main
emerging
products
highlight
discuss
challenges
related
scale-up
these
processes
downstream,
which
hamper
their
further
commercialization.