Efficient production of biosurfactant surfactin by a newly isolated Bacillus subtilis (sp.) 50499 strain from oil-contaminated soil
Food and Bioproducts Processing,
Год журнала:
2023,
Номер
142, С. 40 - 49
Опубликована: Сен. 7, 2023
Язык: Английский
Generation of Oil Spill Dispersants Composed of Biosurfactants and Chemical Surfactants: Mechanism Exploration through Molecular Dynamics Simulation
Journal of environmental chemical engineering,
Год журнала:
2024,
Номер
12(6), С. 114249 - 114249
Опубликована: Сен. 25, 2024
Язык: Английский
Amide Modification of Glycolipid Biosurfactants as Promising Biocompatible Antibacterial Agents
Journal of Agricultural and Food Chemistry,
Год журнала:
2024,
Номер
72(12), С. 6302 - 6314
Опубликована: Март 14, 2024
Discovering
new
antibacterial
agents
is
crucial
to
addressing
the
increasing
risk
of
bacterial
infections
induced
by
antimicrobial
resistance
in
food
and
agricultural
industries.
Here,
biocompatible
acidic-type
sophorolipids
(ASLs)
glucolipids
(GLs)
prepared
via
chemical
modification
natural
from
fermentation
were
functionalized
amide
for
use
as
potential
agents.
It
was
found
that
arginine
methyl
ester
derivative
GLs
(GLs-d-Arg-OMe)
showed
excellent
activity,
killing
more
than
99.99%
Escherichia
coli
at
200
mg/L.
The
sterilization
dosage
against
Bacillus
subtilis,
cereus,
Staphylococcus
aureus
16–64
mg/L,
contrast
32–64
mg/L
fungus
Candida
albicans.
In
particular,
GLs-d-Arg-OMe
best
biocompatibility
with
a
therapeutic
index
up
18.
shown
glycolipids
can
effectively
improve
activity
while
maintaining
biocompatibility,
which
be
exploited
development
novel
antibiotics
fields.
Язык: Английский
Enhancing Aqueous Dispersibility of Uncharged Cellulose Through Biosurfactant Adsorption
ACS Applied Polymer Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 16, 2025
Язык: Английский
Microbial Biosurfactant Hydrogels with Tunable Rheology for Precision 3D Printing of Soft Scaffolds
Soft Matter,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Rheology
control
of
biosurfactant-based
hydrogels
enables
precise
3D
printing
soft
scaffolds,
offering
a
sustainable
platform
for
structuring
matter
in
advanced
manufacturing
and
bioengineering.
Язык: Английский
Preparation and isolation of hydrophilic mannosylerythritol lipids via chemical modification and stepwise extraction
Journal of Surfactants and Detergents,
Год журнала:
2024,
Номер
27(5), С. 725 - 736
Опубликована: Янв. 28, 2024
Abstract
Mannosylerythritol
lipids
(MELs),
a
glycolipid
biosurfactant,
possess
great
potential
in
many
high‐value‐added
fields.
However,
its
water‐insolubility
is
an
important
obstacle
to
wide
application,
especially
home
and
personal
care
In
this
study,
new
strategy
“killing
two
birds
with
one
stone”
based
on
the
chemical
modification
of
natural
MELs
was
developed
for
preparation
hydrophilic
MELs.
These
newly
prepared
can
be
efficiently
isolated
from
reacted
solution
via
stepwise
extraction
methanol/
n
‐hexane
system.
88%
were
recovered
MELs,
corresponding
yield
50%.
This
mainly
attributed
esterification
fatty
acids,
representing
main
relatively‐difficult‐to‐remove
impurities
fermentative‐produced
facilitating
separation
MEL
product
extraction.
Moreover,
these
presented
comparable
surface
activities
while
exhibiting
enhanced
water
solubility
biocompatibility.
originates
generation
MEL‐D,
resulting
deacetylation
formation
containing
just
hydrophobic
chain
(named
“MEL‐G”).
Hence,
present
not
only
beneficial
removal
(fatty
acids)
but
also
improved
hydrophilicity.
Язык: Английский
Efficient preparation and isolation of sophorolipids with excellent pH-regulated water solubility via environmentally friendly acid-induced chemical modifications
Chemical Engineering Journal,
Год журнала:
2024,
Номер
482, С. 148849 - 148849
Опубликована: Янв. 17, 2024
Язык: Английский
Zwitterionic derivatization of rhamnolipids: An efficient and biologically friendly antibacterial agent
Chemical Engineering Journal,
Год журнала:
2024,
Номер
unknown, С. 156954 - 156954
Опубликована: Окт. 1, 2024
Язык: Английский
Cytotoxicity Evaluation of Microbial Sophorolipids and Glucolipids using Normal Human Dermal Fibroblasts (NHDF) in vitro
Toxicology Reports,
Год журнала:
2024,
Номер
14, С. 101862 - 101862
Опубликована: Дек. 11, 2024
Fibroblasts
are
considered
a
key
player
in
the
wound
healing
process.
Although
this
cellular
family
is
constituted
by
several
distinct
subtypes,
dermal
fibroblasts
crucial
thanks
to
their
ability
secrete
pro-regenerative
growth
factors,
extracellular
matrix
(ECM)
proteins
and
immune
anti-inflammatory
role.
Sophorolipids
(SL),
sophorosides
(SS)
glucolipids
(G),
mono-unsaturated
(C18:1)
or
saturated
(C18:0),
glycolipids
derived
from
microbial
fermentation
of
wild
type
engineered
yeast
Starmerella
bombicola,
constitute
novel
sustainable
class
bio-based
chemicals
with
interesting
physicochemical
characteristics,
which
allow
them
form
soft
diverse
structures
hydrogels
vesicles,
micelles
complex
coacervates
potential
interest
skin
regeneration
applications.
In
study,
we
first
tested
cytocompatibility
broad
set
molecules
on
normal
human
(NHDF).
Our
results
show
that,
up
an
upper
threshold
(0.1
%
w/v),
(SL-C18:1,
G-C18:1,
SSbola-C18:1,
SL-C18:0
G-C18:0)
under
study
were
able
sustain
cell
growth.
Furthermore,
selected
least
cytotoxic
SL-C18:0)
promote
measuring
gene
expression
markers
(i.e.
collagen,
elastin,
transforming
factor
β,
fibroblast
…)
using
qPCR.
Unfortunately,
none
these
modulated
involved
tissue
repair.
However,
aims
encourage
community
test
for
high-end
biomedical
Biosurfactants
prepared
natural
amphiphiles
growing
importance,
goal
replacing
synthetic
surfactants
commercial
formulations.
cytotoxicity
profile
still
poorly
known,
especially
new
like
single-glucose
lipids
bolaform
sophorolipids.
This
wants
contribute
all
those
applications,
could
be
developed
biosurfactants
contact
(cosmetics,
healing).
We
five
structurally-related
(C18:1
C18:0
sophorolipids,
C18:1
lipids,
di-sophoroside)
against
(NHDF)
evaluate
metabolic
activity
toxic
among
them.
To
best
our
knowledge,
molecules,
general,
was
never
NHDF.
Язык: Английский
Glycolipid and Lipopeptide Biosurfactants: Structural Classes and Characterization—Rhamnolipids as a Model
Critical Reviews in Analytical Chemistry,
Год журнала:
2024,
Номер
unknown, С. 1 - 21
Опубликована: Дек. 29, 2024
In
recent
years,
biosurfactants
(BS)
produced
by
various
bacteria,
fungi
and
yeast
strains
have
attracted
much
interest
because
of
their
unique
properties
potential
applications
in
many
industries
ranging
from
bioremediation
to
agriculture
biomedical
cosmetics.
Glycolipids
are
a
popular
group
BS
that
include
rhamnolipids,
sophorolipids,
mannosylerythritol,
trehalose
lipids,
xylolipids
cellobiose
lipids.
Lipopeptides
e.g.,
surfactins,
iturins
fengycins
major
biotechnological
antitumor,
immunomodulatory,
antimicrobial
activities
effects.
This
review
addresses
the
structural
glycolipids
lipopeptides,
main
domains
application
as
well
screening
tests
production.
mostly
composed
carbohydrate
moiety
linked
ß-hydroxy
fatty
acid
chain
with
glycosidic
bond.
The
related
nature
length
chain.
lipopeptide
structure
is
mainly
linear
or
cyclic
peptide
acids
different
lengths.
complexity
these
compounds
requires
analytical
techniques
for
characterization
quantification.
As
an
example,
used
rhamnolipids
presented
this
review.
RLs
very
promising
wide
range
fields,
such
cosmetics,
food
science,
pharmaceuticals,
environmental
remediation.
Язык: Английский