Authorea (Authorea),
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 10, 2024
Mangrove
and
seaweed
ecosystems,
as
integral
components
of
blue
carbon
habitats,
play
pivotal
roles
in
global
sequestration
coastal
protection,
showcasing
unique
environmental
dynamics
biological
diversity.
This
study
explores
mangrove-associated
bacterial
communities
their
functional
Goa
highlighting
critical
ecological
within
habitats.
Physicochemical
analysis
revealed
contrasting
conditions,
with
the
ecosystem
experiencing
stable
marine
influences
mangrove
subject
to
dynamic
terrestrial-aquatic
interactions.
Elevated
levels
pathogenic
bacteria
both
ecosystems
indicate
significant
pollution
from
anthropogenic
activities.
Advanced
metagenomic
techniques,
including
Illumina’s
16S
V3-V4
amplicon
sequencing,
were
employed
assess
The
predominated
by
Proteobacteria,
Cyanobacteria,
Actinobacteria,
crucial
for
nutrient
cycling
organic
matter
decomposition.
In
contrast,
displayed
a
more
complex
microbiota,
represented
Firmicutes,
adapted
anaerobic
conditions.
Core
microbiome
prevalence
pathogen
Pleurocapsa
seaweeds,
suggesting
health
decline,
while
microbiomes
showed
dominance
genera
such
Bacillus
Clostridium
,
which
are
key
processing
material
under
low-oxygen
Notably,
indicated
faecal
contamination,
underscoring
impact
external
pollution.
Functional
pathway
conducted
PICRUSt2
elucidated
metabolic
specializations
microbiomes.
Seaweed-associated
excelled
carbohydrate
metabolism,
cellular
growth
death
information
processing,
whereas
advanced
capabilities
xenobiotics
biodegradation
compound
metabolism
terpenoids
polyketides,
reflecting
microbial
mangroves.
findings
emphasize
urgent
need
effective
conservation
strategies
protect
these
vital
against
rising
threats
pressures
pollution,
climate
change.
An
enhanced
understanding
is
essential
implementing
informed
management
practices,
ensuring
restoration
ecosystems.
Journal of Sea Research,
Год журнала:
2024,
Номер
198, С. 102469 - 102469
Опубликована: Янв. 11, 2024
Mangrove
ecosystems
are
vital
coastal
habitats
with
rich
biodiversity
and
play
a
significant
role
in
carbon
sequestration,
these
facing
mounting
threats
from
rapid
urbanization.
This
study
delves
into
assessing
the
sediment
bacterial
communities
urban
mangrove
of
Campal
Panaji,
within
Mandovi
estuarine
environment
Goa,
to
understand
intricate
interplay
between
urbanization
dynamics
habitats.
We
used
combined
approach
16S
amplicon
shotgun
sequencing
methodologies
taxonomic
composition
functional
profiles.
The
community
structure
revealed
dominance
groups
phylum
Proteobacteria,
Chloroflexi
Actinobacteria
at
both
locations.
impact
was
evident
increased
abundance
pathogenic
class
genus
levels
this
region.
core
microbiome
analysis
showed
presence
Shewanella,
Pseudomonas
Clostridium
which
mostly
pathogenic,
anaerobic
taxa
Woeseia,
Rheinheimera,
like
genera
that
involved
organic
matter
cycling
unclassified
bacteria.
Though
forms
reported,
it
is
dominant
also
included
contributed
biogeochemical
Functional
diversity
elucidated
through
metagenomics
showcased
predominance
carbohydrate
metabolism
glycoside
hydrolases
degrading
plant-based
starch,
pectin
cellulosic
matter.
occurrence
xenobiotic
biodegradation
pathways
an
indication
microbes
as
natural
means
high
amounts
pollutants
location.
Comparative
metagenomes
similar
earlier
studies
Ribandar,
Cortalim,
Zuari
Goa
varying
pollution
reiterates
terrestrial
influence
on
microbial
It
Panaji
locations
had
absent
other
two
Ribandar
Coratlim
location
reported
have
comparatively
lesser
due
anthropogenic
activity
distinct
predominant
heterotrophic
remineralization
reduced
pathogens.
Our
findings
highlight
profound
spotlight
resilience
adaptability
microorganisms.
calls
for
immediate
action
preventive
measures
restore
their
potential
maintaining
health
amidst
expanding
landscapes.
Environmental Engineering Research,
Год журнала:
2022,
Номер
28(4), С. 220325 - 0
Опубликована: Сен. 28, 2022
The
estuarine
ecosystem
is
under
threat
due
to
the
addition
of
different
anthropogenic
pollutants.
Among
various
pollutants,
microplastics(MPs),
and
antibiotics
play
a
significant
role
in
affecting
organisms
human
health
by
transport
through
food
chain.
In
estuaries,
microorganisms,
including
pathogens,
colonise
microplastics
development
biofilms.
Estuaries
have
long
been
home
MPs,
served
as
novel
hubs
for
transmission
Antibiotic
Resistance
Genes
(ARGs).
As
result
their
continual
interactions
with
variety
aquatic
creatures,
MP-associated
bacterial
communities
will
eventually
present
transfer
opportunity
that
consume
MPs.
To
comprehend
presence
ARGs
thorough
review
necessary.
This
discusses
sources
MPs
antibiotic
pollution,
well
via
biofilm
formed
on
Furthermore,
factors
formation
estuaries
are
reviewed.
addition,
microbial
populations
within
discussed.
transported
into
chain,
which
be
health.
Hence,
occurrence
antibiotic-resistant
genes
fish
