Differentiation of P. zopfii genotypes (biotypes)
The two P. zopfii genotypes are also known as "variants" 1 and 2. The formerly P. zopfii "variant" 3 was now described as P. blaschkeae sp. nov.
Feature |
Genotype
1 |
Genotype
2 |
Diameter of Sporangiospores in [µm] |
11 -
30 |
5 -
15 |
Shape of cells |
spheric/cylindric |
spheric/cylindric |
Assimilation of Galaktosea |
++ |
(+) |
Assimilation of Glycerola |
+++ |
+++ |
pH-Tolerance |
2,4
– 9,5 |
2,1
– 10,5 |
NaCl-Tolerance |
4,0
% |
6,0
% |
Growth at 37°C |
+ | ++ |
Habitats |
In cattle stables
and pigsties |
Predominantly in cattle stables and local waste water |
Pathogen of bovine mastitis |
no | yes |
Biochemical differentiation Serological Differentiation
Genetical Differentiation