- The
quellung reaction, also
called the
Neufeld reaction, is a
biochemical reaction in
which antibodies bind to the
bacterial capsule of
Streptococcus pneumoniae...
- the
three pneumococcal types (Types I, II, and III) and
discovered the
quellung reaction to
identify them in vitro.
Until Griffith's experiment, bacteriologists...
- due to an
increase in its refractivity. This
phenomenon is the
basis of
quellung reaction.
Vaccination using capsular material is
effective against some...
-
production Sensitivity to
optochin Not
sensitive Sensitive Pathogenicity to mice
Nonpathogenic Pathogenic Quellung test (not
actively used)
Negative Positive...
-
number of
bacteria species,
including Streptococcus pneumoniae,
display the
Quellung reaction visible under a microscope.
Others such as
Shigella (and E. coli)...
-
damages caused by the
hosts oxidative attack. Cia-dependent
small RNAs
Quellung reaction Streptococcal infection in
poultry Streptococcal pharyngitis Streptokinase...
-
demonstrated that it is a
native protein. Initially, CRP was
measured using the
quellung reaction which gave a
positive or a
negative result. More
precise methods...
- bile soluble. Just like
other streptococci they are catalase-negative. A
Quellung test can
identify specific capsular polysaccharides.
Pneumococcal antigen...
-
specific antisera.
Neufeld called this the
quellung reaction,
after the
German word for swelling. The
quellung reaction allowed for easy
laboratory identification...
- 1007/BF00628970. ISSN 1432-1904. S2CID 36389330. Voderberg, Käthe (1961-01-01). "
Quellung und
Keimung der
Samen von
Vicia villosa Roth".
Flora oder
Allgemeine Botanische...
