European Journal of Theoretical and Applied Sciences,
Journal Year:
2024,
Volume and Issue:
2(3), P. 551 - 564
Published: May 1, 2024
The
presence
of
polyethylene
(PE)
and
polystyrene
(PS)
microplastics
affects
the
ability
microalga
Chlorella
pyrenoidosa
to
carry
out
photosynthesis
efficiently
regulate
its
pigments.
C.
is
an
important
primary
producer
in
aquatic
ecosystems.
This
study
evaluates
impacts
different
concentrations
on
chlorophyll
carotenoid
levels
over
a
four-day
period
by
precisely
measuring
optical
density
at
680
nm
quantifying
amounts
these
compounds.
findings
reveal
distinct
decline
photosynthetic
performance
that
directly
related
concentration
substance.
particularly
evident
considerable
decrease
Fv/Fm
ratios,
which
serve
as
crucial
measure
photosystem
II
efficiency.
Significantly,
when
microplastic
were
greater
(250
mg/L
500
mg/L),
ratios
plummeted
roughly
50%
lower
than
those
seen
control
samples.
indicates
serious
degradation
machinery.
In
addition,
there
was
significant
b,
with
reductions
up
40%
35%
respectively
highest
examined,
compared
group.
Carotenoid
also
experienced
decrease,
although
it
not
noticeable,
declining
around
25%
under
comparable
circumstances.
results
this
have
ecological
consequences,
suggesting
pollution
could
significantly
reduce
systems
produce
energy
from
sunlight,
thereby
causing
disruptions
food
chain
overall
deterioration
ecosystem
health.
highlights
importance
conducting
further
research
long-term
effects
organisms
water
emphasizes
necessity
implementing
effective
measures
both
marine
freshwater
Plants,
Journal Year:
2024,
Volume and Issue:
13(5), P. 613 - 613
Published: Feb. 23, 2024
The
application
of
biostimulants
has
been
proven
to
be
an
advantageous
tool
and
appropriate
form
management
towards
the
effective
use
natural
resources,
food
security,
beneficial
effects
on
plant
growth
yield.
Plant-growth-promoting
rhizobacteria
(PGPR)
are
microbes
connected
with
roots
that
can
increase
by
different
methods
such
as
producing
hormones
molecules
improve
or
providing
increased
mineral
nutrition.
They
colonize
all
ecological
niches
stages
crop
development,
they
affect
development
directly
modulating
hormone
levels
enhancing
nutrient
acquisition
potassium,
phosphorus,
nitrogen,
essential
minerals,
indirectly
via
reducing
inhibitory
impacts
pathogens
in
forms
biocontrol
parameters.
Many
plant-associated
species
Pseudomonas,
Acinetobacter,
Streptomyces,
Serratia,
Arthrobacter,
Rhodococcus
improving
disease
resistance,
synthesizing
growth-stimulating
hormones,
suppressing
pathogenic
microorganisms.
is
both
environmentally
friendly
practice
a
promising
method
enhance
sustainability
horticultural
agricultural
production
systems
well
promote
quantity
quality
foods.
also
reduce
global
dependence
hazardous
chemicals.
Science
Direct,
Google
Scholar,
Springer
Link,
CAB
Scopus,
Taylor
Francis,
Web
Science,
Wiley
Online
Library
were
checked,
search
was
conducted
manuscript
sections
accordance
terms
Enterobacter,
Ochrobactrum,
Rhodococcus,
Biostimulants,
Plant
promoting
rhizobactera,
Stenotrophomonas.
aim
this
survey
plant-growth-promoting
presenting
case
studies
successful
paradigms
various
crops.
Plants,
Journal Year:
2024,
Volume and Issue:
13(2), P. 159 - 159
Published: Jan. 6, 2024
Significant
progress
has
been
achieved
in
the
use
of
biostimulants
sustainable
agricultural
practices.
These
new
products
can
improve
plant
growth,
nutrient
uptake,
crop
yield
and
quality,
stress
adaptation
soil
fertility,
while
reducing
agriculture's
environmental
footprint.
Although
it
is
an
emerging
market,
biostimulant
sector
very
promising,
hence
increasing
attention
scientific
community
agro-industry
stakeholders
finding
sources
biostimulants.
Recently,
pro-
eucaryotic
microalgae
have
gained
prominence
be
exploited
as
due
to
their
ability
produce
high-value-added
metabolites.
Several
works
revealed
potential
microalgae-
cyanobacteria-based
(MCBs)
growth
promoters
alleviators,
well
encouraging
results
pointing
out
that
address
current
future
challenges.
In
contrast
macroalgae
biostimulants,
targeted
applications
MBs
agriculture
are
still
earlier
stages
commercial
implementation
constrained
by
lack
research
cost
production.
The
purpose
this
paper
provide
a
comprehensive
overview
on
promising
category
highlight
knowledge
application
prospects.
Based
prevailing
state
art,
we
aimed
roadmap
MCB
formulations
from
cyanobacteria
strain
selection,
algal
biomass
production,
extraction
techniques
type
product
commercialization
farmer
consumer
acceptance.
Moreover,
examples
successful
trials
demonstrating
beneficial
microalgal
point
bottlenecks
constraints
regarding
input
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(10), P. e31170 - e31170
Published: May 1, 2024
Microalgae
and
bacteria,
known
for
their
resilience,
rapid
growth,
proximate
ecological
partnerships,
play
fundamental
roles
in
environmental
biotechnological
advancements.
This
comprehensive
review
explores
the
synergistic
interactions
between
microalgae
bacteria
as
an
innovative
approach
to
address
some
of
most
pressing
issues
demands
clean
renewable
freshwater
energy
sources.
Studies
indicated
that
microalgae-bacteria
consortia
can
considerably
enhance
output
applications;
instance,
various
reports
showed
during
wastewater
treatment
COD
removal
efficiency
increased
by
40%-90.5%
due
consortia,
suggesting
its
great
potential
amenability
biotechnology.
critically
synthesizes
research
works
on
nexus
applied
advancements
generation,
with
a
special
focus
biohydrogen,
reclamation
desalination
processes.
The
mechanisms
underlying
interactions,
factors
influencing
performance,
challenges
benefits
employing
these
bio-complexes
over
traditional
methods
are
also
discussed
detail.
paper
evaluates
applications
microorganism
augmentation
biomass
production
synthesis
valuable
biochemicals.
Furthermore,
sheds
light
integration
systems
microbial
fuel
cells
concurrent
production,
waste
treatment,
resource
recovery.
postulates
sustainable
efficient
solution
water
energy,
providing
insights
into
future
directions
industrial-scale
applications.
Journal of Agricultural and Food Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 5, 2025
Microalgae,
characterized
by
their
exceptional
lipid
content,
rapid
growth,
and
robust
adaptability,
represent
a
promising
biological
resource.
In
natural
engineered
ecosystems,
microalgae
engage
in
intricate
symbiotic
relationships
with
diverse
microorganisms,
dynamic
interplay
essential
for
ecological
resilience
metabolic
optimization.
This
review
examines
the
role
of
microorganisms
microalgal
growth
accumulation,
particular
emphasis
on
regulatory
mechanisms
that
govern
these
processes.
These
include
nutrient
exchange,
phytohormone-mediated
stimulation,
cofactors,
quorum-sensing-driven
community
coordination.
The
highlights
how
microbial
interactions
facilitate
optimal
production
enhancing
pathways,
thereby
improving
efficiency
accumulation
microalgae.
Furthermore,
investigates
horizontal
gene
transfer
as
an
evolutionary
driver
fortifies
algal-microbial
consortia
against
environmental
stressors,
enabling
performance
fluctuating
conditions.
integration
insights
holds
transformative
potential
advancing
next-generation
bioenergy
platforms,
where
systems
could
play
pivotal
biofuel
production,
wastewater
treatment,
sustainable
agriculture.
iScience,
Journal Year:
2023,
Volume and Issue:
27(1), P. 108762 - 108762
Published: Dec. 16, 2023
Interactions
between
algae
and
bacteria
are
ubiquitous
play
fundamental
roles
in
nutrient
cycling
biomass
production.
Recent
studies
have
shown
that
the
plant
auxin
indole
acetic
acid
(IAA)
can
mediate
chemical
crosstalk
bacteria,
resembling
its
role
plant-bacterial
associations.
Here,
we
report
a
mechanism
for
algal
extracellular
IAA
production
from
L-tryptophan
mediated
by
enzyme
L-amino
oxidase
(LAO1)
model
