words
stringlengths
1
22
labels
stringclasses
3 values
Molecular
O
Dissection
O
of
O
Xyloglucan
O
Recognition
O
in
O
a
O
Prominent
O
Human
O
Gut
O
Symbiont
O
null
O
Polysaccharide
O
utilization
O
loci
O
(
O
PUL
O
)
O
within
O
the
O
genomes
O
of
O
resident
O
human
O
gut
O
Bacteroidetes
O
are
O
central
O
to
O
the
O
metabolism
O
of
O
the
O
otherwise
O
indigestible
O
complex
O
carbohydrates
O
known
O
as
O
O
dietary
O
fiber
O
.”
O
However
O
,
O
functional
O
characterization
O
of
O
PUL
O
lags
O
significantly
O
behind
O
sequencing
O
efforts
O
,
O
which
O
limits
O
physiological
O
understanding
O
of
O
the
O
human
O
-
O
bacterial
O
symbiosis
O
.
O
null
O
In
O
particular
O
,
O
the
O
molecular
O
basis
O
of
O
complex
O
polysaccharide
O
recognition
O
,
O
an
O
essential
O
prerequisite
O
to
O
hydrolysis
O
by
O
cell
O
surface
O
glycosidases
O
and
O
subsequent
O
metabolism
O
,
O
is
O
generally
O
poorly
O
understood
O
.
O
null
O
Here
O
,
O
we
O