Challenges and opportunities of the exotic invasive macroalga Rugulopteryx okamurae (Phaeophyceae, Heterokontophyta)
Journal of Applied Phycology,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 13, 2025
Abstract
The
invasion
of
Rugulopteryx
okamurae
along
the
southern
European
coastline
is
producing
significant
ecological
and
socioeconomic
impacts.
Its
rapid
proliferation
high
adaptability
have
cause
severe
ecosystem
disruptions,
displacing
indigenous
species
altering
habitat
structures.
Various
factors,
including
favorable
environmental
conditions
chemical
defenses,
contributed
to
its
spread.
This
situation
has
prompted
urgent
interdisciplinary
research
implementation
management
strategies.
Regulatory
frameworks
been
established
address
invasive
status,
aiming
control
bio-invasion.
Valorization
strategies
could
contribute
sustainable
marine
biotechnology
advancements.
R.
presents
a
wide
variety
valuable
molecules
in
internal
composition,
such
as
alginates,
terpenoids
or
carotenoids,
with
potential
biotechnological
applications.
Promising
results
obtained
using
compost
biostimulants,
supplements
aquafeed
part
biomaterial
develop
eco-friendly
products.
Some
like
shown
anti-inflammatory
properties
applications
nutraceutical
industry.
However,
challenges
remain
fully
understanding
biology,
impacts,
effective
measures.
Coordinated
efforts
among
scientists,
politicians,
companies
stakeholders
are
essential
mitigate
spread
explore
for
resource
utilization.
economic
impacts
being
studied
but
there
still
scarce
number
studies
follow
strategy
based
blue
circular
economy.
Язык: Английский
Assessment of the Rugulopteryx okamurae invasion in Northeastern Atlantic and Mediterranean bioregions: colonisation status, propagation hypothesis and temperature tolerance thresholds
Marine Environmental Research,
Год журнала:
2025,
Номер
unknown, С. 107093 - 107093
Опубликована: Март 1, 2025
Язык: Английский
Exploitation of waste biomass of the invasive alga species Rugulopteryx okamurae in Morocco: In-vitro antibacterial-antibiofilm properties and GC- MS metabolite profiling
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 8, 2025
Abstract
Since
2017,
the
invasive
brown
alga
Rugulopteryx
okamurae
has
posed
significant
biological,
ecological,
and
socio-economic
challenges
in
Morocco
due
to
its
rapid
proliferation
accumulation.
This
study
explores
antimicrobial
antibiofilm
properties
chemical
composition.
Methanol,
chloroform,
ethyl
acetate
(EtOAc)
extracts
were
evaluated
for
antibacterial
activity
against
six
human
pathogens,
including
clinical
reference
strains
of
Escherichia
coli
Staphylococcus
aureus.
Fourier-transform
infrared
spectroscopy
(FT-IR)
identified
functional
groups
such
as
hydroxyl
(O-H),
carbonyl
(C
=
O),
polysaccharides,
indicative
bioactive
compounds.
Gas
chromatography-mass
spectrometry
(GC-MS)
revealed
key
components:
oleic
acid
butyl
ester
EtOAc
extract,
methyl
tetradecanoate
chloroform
pentadecanoic
methanolic
extract.
The
potential
was
assessed
using
microdilution
growth
curve
assays,
with
minimal
inhibitory
bactericidal
concentrations
ranging
from
3.12–50
mg/mL.
Growth
analysis
showed
bacteriostatic
effects
through
lag
phase
extension
rate
suppression.
extract
demonstrated
highest
activity,
reducing
biofilm
formation
by
73%
E.
(clinical
strain
TT-23)
70%
S.
aureus
70).
These
results
suggest
that
R.
contains
compounds
promising
properties,
potentially
valuable
mitigating
impacts
while
offering
applications
development.
Язык: Английский
Beyond the Bloom: Invasive Seaweed Sargassum spp. as a Catalyst for Sustainable Agriculture and Blue Economy—A Multifaceted Approach to Biodegradable Films, Biostimulants, and Carbon Mitigation
Sustainability,
Год журнала:
2025,
Номер
17(8), С. 3498 - 3498
Опубликована: Апрель 14, 2025
The
Anthropocene
has
ushered
in
unprecedented
environmental
challenges,
with
invasive
seaweed
blooms
emerging
as
a
critical
yet
understudied
facet
of
climate
change.
These
blooms,
driven
by
nutrient
runoff
and
oceanic
alterations,
disrupt
ecosystems,
threaten
biodiversity,
impose
economic
public
health
burdens
on
coastal
communities.
However,
seaweeds
also
present
an
opportunity
sustainable
resource.
This
study
explores
the
valorization
Sargassum
spp.
for
agricultural
applications,
focusing
development
biodegradable
bioplastics
biostimulants.
Field
trials
demonstrated
effectiveness
Marine
Symbiotic®
Sargassum-derived
biostimulant
distinct
contexts.
In
Dominican
Republic,
pepper
crops
showed
significant
improvements,
including
33.26%
increase
fruit
weight,
21.94%
rise
set
percentage,
45%
higher
yield
under
high-stress
conditions,
48.42%
reduction
rejection
compared
to
control.
Colombia,
across
four
leafy
green
varieties
revealed
biomass
increases
up
360%,
50%
synthetic
input
dependency,
enhanced
crop
coloration,
improving
marketability.
Additionally,
Sargassum-based
biofilms
exhibited
favorable
mechanical
properties
biodegradability,
offering
alternative
conventional
plastics.
Carbon
credit
quantification
that
valorizing
could
prevent
89,670
tons
CO2-equivalent
emissions
annually
using
just
one
Littoral
Collection
Module®
harvesting
system,
while
application
carbon
sequestration
crops.
findings
underscore
potential
address
multiple
from
reducing
plastic
pollution
GHG
enhancing
resilience,
thereby
contributing
Blue
Economy
aligning
global
sustainability
goals.
Язык: Английский