Frontiers in Microbiology,
Год журнала:
2016,
Номер
6
Опубликована: Янв. 8, 2016
Determining
which
microbial
taxa
are
out
there,
where
they
live,
and
what
doing
is
a
driving
approach
in
marine
ecology.
The
importance
of
these
questions
underlined
by
concerted,
large-scale,
global
ocean
sampling
initiatives,
for
example
the
International
Census
Marine
Microbes,
Ocean
Sampling
Day,
or
Tara
Oceans.
Given
decades
effort,
we
know
that
large
majority
Bacteria
Archaea
belong
to
about
dozen
phyla.
In
addition
classically
culturable
Archaea,
at
least
50
"clades,"
different
taxonomic
depths,
exist.
These
account
diversity,
but
there
still
an
underexplored
less
abundant
portion
remaining.
We
refer
hitherto
unrecognized
clades
as
unknown,
their
boundaries,
names,
classifications
not
available.
this
work,
were
able
characterize
up
92
unknown
found
within
bacterial
archaeal
phylogenetic
diversity
currently
reported
water
column
environments.
mined
SILVA
16S
rRNA
gene
datasets
sequences
originating
from
column.
Instead
usual
subjective
delineation
nomenclature
methods,
applied
candidate
unit
(CTU)
circumscription
system,
along
with
standardized
newly
constructed
trees.
With
new
framework,
performed
analysis
ICoMM
amplicon
gain
insights
into
distribution
clades,
ecology,
biogeography,
interaction
oceanographic
variables.
Most
identified
interspersed
known
cultivated
members,
whose
genome
This
result
encouraged
us
perform
metabolic
predictions
novel
using
PICRUSt
approach.
Our
work
also
provides
update
on
taxonomy
several
phyla
widely
our
CTU
breaks
down
randomly
lumped
smaller
objectively
calculated
subgroups.
Finally,
all
classified
named
following
standards
compatible
Bacteriological
Code
rules,
enhancing
digitization,
comparability
future
ecological
studies.
Oxford University Press eBooks,
Год журнала:
2018,
Номер
unknown
Опубликована: Фев. 15, 2018
Abstract
Environmental
DNA
(eDNA),
i.e.
released
in
the
environment
by
any
living
form,
represents
a
formidable
opportunity
to
gather
high-throughput
and
standard
information
on
distribution
or
feeding
habits
of
species.
It
has
therefore
great
potential
for
applications
ecology
biodiversity
management.
However,
this
research
field
is
fast-moving,
involves
different
areas
expertise
currently
lacks
approaches,
which
calls
an
up-to-date
comprehensive
synthesis.
monitoring
covers
current
methods
based
eDNA,
with
particular
focus
“eDNA
metabarcoding”.
Intended
scientists
managers,
it
provides
background
allow
design
sound
experiments.
revisits
all
steps
necessary
produce
high-quality
metabarcoding
data
such
as
sampling,
metabarcode
design,
optimization
PCR
sequencing
protocols,
well
analysis
large
datasets.
All
these
are
presented
discussing
challenges
eDNA-based
approaches
infer
parameters
ecological
processes.
The
last
chapters
book
review
how
been
used
so
far
unravel
novel
patterns
diversity
space
time,
detect
species,
answer
new
questions
various
ecosystems
organisms.
constitutes
essential
reading
graduate
students,
researchers
practitioners
who
do
not
have
strong
molecular
genetics
willing
use
eDNA
biomonitoring.
Philosophical Transactions of the Royal Society B Biological Sciences,
Год журнала:
2015,
Номер
370(1673), С. 20140219 - 20140219
Опубликована: Июнь 10, 2015
Multicellularity
is
characterized
by
cooperation
among
cells
for
the
development,
maintenance
and
reproduction
of
multicellular
organism.
Cancer
can
be
viewed
as
cheating
within
this
cooperative
system.
Complex
multicellularity,
underlying
it,
has
evolved
independently
multiple
times.
We
review
existing
literature
on
cancer
cancer-like
phenomena
across
life,
not
only
focusing
complex
multicellularity
but
also
reviewing
tree
life
more
broadly.
find
that
a
breakdown
central
features
characterize
including
in
proliferation
inhibition,
cell
death,
division
labour,
resource
allocation
extracellular
environment
(which
we
term
five
foundations
multicellularity).
Cheating
exhibited
lack
differentiation
disorganized
masses,
been
observed
all
forms
multicellularity.
This
suggests
deregulation
fundamental
universal
aspect
carcinogenesis
may
underappreciated
biology.
Understanding
provides
novel
insights
into
hallmarks
set
assays
biomarkers
applied
species
requirements
generating
cancer.
Frontiers in Microbiology,
Год журнала:
2012,
Номер
3
Опубликована: Янв. 1, 2012
In
the
aquatic
environment,
biofilms
on
solid
surfaces
are
omnipresent.
The
outer
body
surface
of
marine
organisms
often
represents
a
highly
active
interface
between
host
and
biofilm.
Since
living
have
capacity
to
affect
fluxes
information,
energy,
matter
across
host's
surface,
they
an
important
ecological
potential
modulate
abiotic
biotic
interactions
host.
Here
we
review
existing
evidence
how
epibiotic
their
hosts'
ecology
by
altering
properties
processes
its
surfaces.
Biofilms
huge
reduce
access
light,
gases,
and/or
nutrients
interaction
with
further
foulers,
consumers,
or
pathogens.
These
effects
may
intensely
interact
environmental
conditions.
quality
biofilm's
impact
vary
from
detrimental
beneficial
according
identity
partners,
type
considered,
prevailing
concludes
some
unresolved
but
questions
future
perspectives.
Marine Drugs,
Год журнала:
2014,
Номер
12(8), С. 4539 - 4577
Опубликована: Авг. 19, 2014
Marine
sponges
belonging
to
the
phylum
Porifera
(Metazoa),
evolutionarily
oldest
animals
are
single
best
source
of
marine
natural
products.
The
present
review
presents
a
comprehensive
overview
source,
taxonomy,
country
origin
or
geographical
position,
chemical
class,
and
biological
activity
sponge-derived
new
products
discovered
between
2001
2010.
data
has
been
analyzed
with
view
gaining
an
outlook
on
future
trends
opportunities
in
search
for
compounds
their
sources
from
sponges.
Proceedings of the National Academy of Sciences,
Год журнала:
2012,
Номер
109(27)
Опубликована: Июнь 13, 2012
Microorganisms
often
form
symbiotic
relationships
with
eukaryotes,
and
the
complexity
of
these
can
range
from
those
one
single
dominant
symbiont
to
associations
hundreds
species.
Microbial
symbionts
occupying
equivalent
niches
in
different
eukaryotic
hosts
may
share
functional
aspects,
convergent
genome
evolution
has
been
reported
for
simple
systems
insects.
However,
complex
communities,
it
is
largely
unknown
how
prevalent
equivalence
whether
functions
are
conducted
by
evolutionarily
mechanisms.
Sponges
represent
an
divergent
group
species
common
physiological
ecological
traits.
They
also
host
communities
microbial
thus
ideal
model
test
evolutionary
convergence
exist
across
phylogenetically
hosts.
Here
we
use
a
sampling
design
determine
phylogenetic
profiles
associated
six
sponge
We
identify
microbiomes,
demonstrating
existence
equivalence.
These
core
consistent
our
current
understanding
biological
roles
sponge-associated
microorganisms
provide
insight
into
functions.
Importantly,
provided
each
analogous
enzymes
biosynthetic
pathways.
Moreover,
abundance
elements
involved
horizontal
gene
transfer
suggests
their
key
genomic
symbionts.
Our
data
demonstrate
reveal
details
mechanisms
that
underpin
process.
Natural Product Reports,
Год журнала:
2015,
Номер
32(7), С. 904 - 936
Опубликована: Янв. 1, 2015
Many
organisms
team
up
with
symbiotic
microbes
for
defense
against
predators,
parasites,
parasitoids,
or
pathogens.
Here
we
review
the
known
defensive
symbioses
in
animals
and
microbial
secondary
metabolites
responsible
providing
protection
to
host.
Global Change Biology,
Год журнала:
2013,
Номер
19(9), С. 2613 - 2624
Опубликована: Апрель 3, 2013
Coral
reefs
across
the
world
have
been
seriously
degraded
and
a
bleak
future
in
response
to
predicted
global
warming
ocean
acidification
(OA).
However,
this
is
not
first
time
that
biocalcifying
organisms,
including
corals,
faced
threat
of
extinction.
The
end-Triassic
mass
extinction
(200
million
years
ago)
was
most
severe
biotic
crisis
experienced
by
modern
marine
invertebrates,
which
selected
against
biocalcifiers;
followed
proliferation
another
invertebrate
group,
sponges.
duration
sponge-dominated
period
far
surpasses
alternative
stable-ecosystem
or
phase-shift
states
reported
on
day
coral
and,
as
such,
shift
warrants
serious
consideration
one
trajectory
reefs.
We
hypothesise
some
today
may
become
sponge
future,
sponges
corals
respond
differently
changing
chemistry
environmental
conditions.
To
support
hypothesis,
we
discuss:
(i)
presence
geological
record;
(ii)
shifts
from
coral-
systems;
(iii)
direct
indirect
responses
holobiont
its
constituent
parts
(host
symbionts)
changes
temperature
pH.
Based
evidence,
propose
be
group
benefit
projected
climate
change
scenarios,
increased
abundance
represents
possible
for
reefs,
would
important
implications
overall
reef
functioning.
Annual Review of Microbiology,
Год журнала:
2016,
Номер
70(1), С. 235 - 254
Опубликована: Сен. 8, 2016
The
ancient
phylum
Actinobacteria
is
composed
of
phylogenetically
and
physiologically
diverse
bacteria
that
help
Earth's
ecosystems
function.
As
free-living
organisms
symbionts
herbivorous
animals,
contribute
to
the
global
carbon
cycle
through
breakdown
plant
biomass.
In
addition,
they
mediate
community
dynamics
as
producers
small
molecules
with
biological
activities.
Together,
evolution
high
cellulolytic
ability
chemistry,
shaped
by
their
ecological
roles
in
nature,
make
a
promising
group
for
bioenergy
industry.
Specifically,
enzymes
can
industrial-scale
cellulosic
biomass
into
simple
sugars
then
be
converted
biofuels.
Furthermore,
harnessing
biosynthesize
range
has
potential
production
specialty
A
paradigm
shift
has
recently
transformed
the
field
of
biological
science;
molecular
advances
have
revealed
how
fundamentally
important
microorganisms
are
to
many
aspects
a
host's
phenotype
and
evolution.
In
process,
an
era
"holobiont"
research
emerged
investigate
intricate
network
interactions
between
host
its
symbiotic
microbial
consortia.
Marine
sponges
early-diverging
metazoa
known
for
hosting
dense,
specific,
often
highly
diverse
communities.
Here
we
synthesize
current
thoughts
about
environmental
evolutionary
forces
that
influence
diversity,
specificity,
distribution
symbionts
within
sponge
holobiont,
explore
physiological
pathways
contribute
holobiont
function,
describe
mechanisms
underpin
establishment
maintenance
these
partnerships.
The
collective
genomes
form
hologenome,
highlight
define
sponge's
in
fact
act
on
genomic
interplay
different
components
holobiont.