Lau.tro' pi.a
. M.L. fem. n.
Lautropia
of Lautrop, named after Hans Lautrop.
Proteobacteria / Betaproteobacteria / Burkholderiales / Burkholderiaceae / Lautropia
Cocci
may occur in at least
three forms
: (1)
encapsulated
, nonmotile 1–2 µm in diameter, forming aggregates of 10 to >100 cells; (
2
)
unencapsulated
, nonaggregated 1–2 µm in diameter,
motile
by a tuft of three to nine flagella; and (
3
) large (>5 µm in diameter),
spherical nonaggregated
,
nonmotile
. Do not form endospores.
Gram negative
. Nonpigmented.
Grow only on enriched media
.
Facultative
, but grow best under aerobic conditions. CO
2
is not required. Growth occurs between 30 and 44°C.
Oxidase
,
catalase
,
and urease positive
. A polysaccharide is produced on sucrose agar. Various carbohydrates are fermented. Belongs phylogenetically to a separate branch of the class
Betaproteobacteria
. Habitat: the oral cavity and upper respiratory tract of humans.
The mol
%
G
+
C of the DNA is
: 65.
Type species
:
Lautropia mirabilis
Gerner‐Smidt, Keiser‐Nielsen, Dorsch, Stackebrandt, Ursing, Blom, Christensen, Christensen, Frederiksen, Hoffmann, Holten‐Andersen and Ying 1995, 418
VP
(Effective publication: Gerner‐Smidt, Keiser‐Nielsen, Dorsch, Stackebrandt, Ursing, Blom, Christensen, Christensen, Frederiksen, Hoffmann, Holten‐Andersen and Ying 1994, 1795.)