World Journal of Microbiology and Biotechnology,
Journal Year:
2024,
Volume and Issue:
40(3)
Published: Feb. 13, 2024
Abstract
Marine
sediments
constitute
the
world’s
most
substantial
long-term
carbon
repository.
The
microorganisms
dwelling
in
these
mediate
transformation
of
fixed
oceanic
carbon,
but
their
contribution
to
cycle
is
not
fully
understood.
Previous
culture-independent
investigations
into
sedimentary
have
underscored
significance
carbohydrates
cycle.
In
this
study,
we
employ
a
metagenomic
methodology
investigate
distribution
and
abundance
carbohydrate-active
enzymes
(CAZymes)
37
marine
sites.
These
exhibit
varying
oxygen
availability
were
isolated
diverse
regions
worldwide.
Our
comparative
analysis
based
on
metabolic
potential
for
utilisation,
derived
from
genes
present
both
oxic
anoxic
environments.
We
found
that
extracellular
CAZyme
modules
targeting
degradation
plant
algal
detritus,
necromass,
host
glycans
abundant
across
all
samples.
results
indicates
oxic/anoxic
conditions
only
influence
taxonomic
composition
microbial
communities,
also
affect
occurrence
involved
algae
detritus.
To
gain
insight
sediment
taxa,
reconstructed
metagenome
assembled
genomes
(MAG)
examined
presence
primary
carbohydrate
active
enzyme
(CAZyme)
modules.
findings
reveal
gene
clusters
discovered
our
metagenomes
prevalent
Bacteroidia,
Gammaproteobacteria,
Alphaproteobacteria
classes.
compared
those
MAGs
organisms
same
classes
soil,
they
similar
its
repertoire,
soil
MAG
contained
more
content.
Furthermore,
data
indicate
samples,
namely
Alphaproteobacteria,
Bacteroidia
play
pivotal
role
within
initial
few
metres
sediments.
