The International Space Station has a unique and extreme microbial and chemical environment driven by use patterns
Cell,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 1, 2025
Language: Английский
Revolutionizing concrete: Unveiling bio-concrete's advantages and challenges in self-healing through microbial-induced calcium carbonate precipitation
Sustainable materials and technologies,
Journal Year:
2025,
Volume and Issue:
unknown, P. e01465 - e01465
Published: May 1, 2025
Language: Английский
Tackling transmission of infectious diseases: A probiotic‐based system as a remedy for the spread of pathogenic and resistant microbes
Microbial Biotechnology,
Journal Year:
2024,
Volume and Issue:
17(7)
Published: July 1, 2024
Built
environments
(BEs)
currently
represent
the
areas
in
which
human
beings
spend
most
of
their
life.
Consistently,
microbes
populating
BEs
mostly
derive
from
occupants
and
can
be
easily
transferred
BE
to
occupants.
The
hospital
microbiome
is
a
paradigmatic
example,
representing
reservoir
for
harmful
pathogens
that
transmitted
susceptible
patients,
causing
healthcare-associated
infections
(HAIs).
Environmental
cleaning
crucial
pillar
controlling
preventing
related
infections,
chemical
disinfectants
have
been
largely
used
so
far
towards
this
aim.
However,
despite
immediate
effect,
chemical-based
disinfection
unable
prevent
recontamination,
has
high
environmental
impact,
select/increase
antimicrobial
resistance
(AMR)
treated
microbes.
To
overcome
these
limitations,
probiotic-based
sanitation
(PBS)
strategies
were
recently
proposed,
built
on
use
detergents
added
with
selected
probiotics
able
displace
surrounding
by
competitive
exclusion.
PBS
was
reported
as
an
effective
low-impact
alternative
disinfection,
providing
stable
rebalance
significantly
reducing
HAIs
compared
disinfectants,
without
exacerbating
AMR
pollution
concerns.
This
minireview
summarizes
significant
results
obtained
applying
sanitary
non-sanitary
settings,
overall
suggest
may
effectively
tackle
infectious
risk
meanwhile
further
spread
pathogenic
resistant
Language: Английский
DipR, a GntR/FadR-family transcriptional repressor: regulatory mechanism and widespread distribution of the dip cluster for dipicolinic acid catabolism in bacteria
Yinhu Jiang,
No information about this author
Kexin Wang,
No information about this author
Lu Xu
No information about this author
et al.
Nucleic Acids Research,
Journal Year:
2024,
Volume and Issue:
52(18), P. 10951 - 10964
Published: Aug. 24, 2024
Abstract
Dipicolinic
acid
is
an
essential
component
of
bacterial
spores
for
stress
resistance,
which
released
into
the
environment
after
spore
germination.
In
a
previous
study,
dip
gene
cluster
was
found
to
be
responsible
catabolism
dipicolinic
in
Alcaligenes
faecalis
JQ135.
However,
transcriptional
regulatory
mechanism
remains
unclear.
The
present
study
characterized
new
GntR/FadR
family
factor
DipR,
showing
that
transcribed
as
six
units,
dipR,
dipA,
dipBC,
dipDEFG,
dipH
and
dipJKLM.
purified
DipR
protein
has
binding
sites
sharing
6-bp
conserved
motif
sequence
5′-GWATAC-3′.
Site-directed
mutations
indicated
these
sequences
are
binding.
Moreover,
four
key
amino
residues
R63,
R67,
H196
H218
examined
by
site-directed
mutagenesis,
played
crucial
roles
regulation.
Bioinformatics
analysis
showed
clusters
including
dipR
genes
widely
distributed
bacteria,
taxon-related,
co-evolved
with
their
hosts.
This
paper
provides
insights
degradation
bacteria.
Language: Английский
Pan-genome-scale metabolic modeling of Bacillus subtilis reveals functionally distinct groups
M J Neal,
No information about this author
William Brakewood,
No information about this author
Michael J. Betenbaugh
No information about this author
et al.
mSystems,
Journal Year:
2024,
Volume and Issue:
9(11)
Published: Oct. 4, 2024
ABSTRACT
Bacillus
subtilis
is
an
important
industrial
and
environmental
microorganism
known
to
occupy
many
niches
produce
compounds
of
interest.
Although
it
one
the
best-studied
organisms,
much
this
focus
including
reconstruction
genome-scale
metabolic
models
has
been
placed
on
a
few
key
laboratory
strains.
Here,
we
substantially
expand
these
prior
pan-genome-scale,
representing
481
genomes
B.
with
2,315
orthologous
gene
clusters,
1,874
metabolites,
2,239
reactions.
Furthermore,
incorporate
data
from
carbon
utilization
experiments
for
eight
strains
refine
validate
its
predictions.
This
comprehensive
pan-genome
model
enables
assessment
strain-to-strain
differences
related
nutrient
utilization,
fermentation
outputs,
robustness,
other
aspects.
Using
phenotypic
predictions,
divide
into
five
groups
distinct
patterns
behavior
that
correlate
across
features.
The
offers
deep
insights
subtilis’
metabolism
as
varies
environments
provides
understanding
how
different
have
adapted
dynamic
habitats.
IMPORTANCE
As
volume
genomic
computational
power
increased,
so
number
models.
These
encapsulate
totality
functions
given
organism.
strain
168
first
bacteria
which
network
was
reconstructed.
Since
then,
several
updated
reconstructions
generated
microorganism.
single
pan-genome-scale
model,
consists
individual
By
evaluating
between
strains,
identified
allowing
rapid
classification
any
particular
strain.
aids
identification
suitable
application.
Language: Английский
Structural characteristics of pathogenic bacteria in split-type air conditioners and environmental factors related to their pathogenicity
Building and Environment,
Journal Year:
2024,
Volume and Issue:
265, P. 111924 - 111924
Published: Aug. 8, 2024
Language: Английский
An interdisciplinary perspective of the built-environment microbiome
John S. McAlister,
No information about this author
Michael J. Blum,
No information about this author
Yana Bromberg
No information about this author
et al.
FEMS Microbiology Ecology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 19, 2024
Abstract
The
built
environment
provides
an
excellent
setting
for
interdisciplinary
research
on
the
dynamics
of
microbial
communities.
system
is
simplified
compared
to
many
natural
settings,
and
some
extent
entire
can
be
manipulated,
from
architectural
design
materials
use,
air
flow,
human
traffic,
capacity
disrupt
communities
through
cleaning.
Here
we
provide
overview
ecology
microbiome
in
environment.
We
address
niche
space
refugia,
population
community
(metagenomic)
dynamics,
spatial
within
a
building,
including
major
transmission
mechanisms,
as
well
evolution.
also
landscape
ecology,
connecting
microbiomes
between
physically
separated
buildings.
At
each
stage
pay
particular
attention
actual
potential
interface
disciplines,
such
epidemiology,
science,
social
behavior.
end
by
identifying
opportunities
future
Language: Английский
Repairing and destructive effects of microorganisms in buildings
ESTOA,
Journal Year:
2024,
Volume and Issue:
13(26), P. 109 - 122
Published: July 31, 2024
In
architecture,
microorganisms
can
act
as
heroes
or
villains.
However,
research
on
has
been
delegated
to
engineering
sciences
and
is
usually
conducted
in
parallel
with
architecture.
This
study
analyzes
scientific
advances
biomaterials,
including
that
benefit
materials
degrade
buildings.
The
methodology
consisted
of
a
literature
review,
followed
by
classification
description
the
facilitate
analysis
findings.
results
revealed
some
provide
positive
characteristics,
such
greater
durability,
self-repair,
increased
compression
absorption,
most
importantly,
environmental
sustainability.
During
destructive
processes,
primarily
affect
heritage
buildings
because
their
properties.
biodegradation
be
slowed,
delayed,
inhibited
microorganisms;
therefore,
this
an
opportunity
advance
research.
Language: Английский