	US 11,674,165 B2
	Enrichment of Listeria
Patrick Julian Mester, Vienna (AT); Peter Rossmanith, Gaaden (AT); Nadine Weyhing-Zerrer, Pfinztal (DE); Tobais Gundolf, Vienna (AT); Susanne Fister, Vienna (AT); and Anna Witte, Erlangen (DE)
Assigned to MERCK PATENT GMBH, Darmstadt (DE)
Filed by MERCK PATENT GMBH, Darmstadt (DE)
Filed on Jul. 2, 2019, as Appl. No. 16/460,289.
Claims priority of application No. 18181827 (EP), filed on Jul. 5, 2018.
Prior Publication US 2020/0010871 A1, Jan. 9, 2020
Int. Cl. C12Q 1/04 (2006.01); C12N 1/20 (2006.01); G01N 33/569 (2006.01)

CPC C12Q 1/045 (2013.01) [C12N 1/20 (2013.01); C12N 2500/32 (2013.01); C12N 2500/38 (2013.01); C12N 2500/42 (2013.01); C12N 2500/60 (2013.01); C12N 2502/70 (2013.01); C12N 2523/00 (2013.01)]

6 Claims

1. A method comprising enriching and optionally detecting Listeria monocytogenes in a sample in the presence of other Gram-positive bacteria, by incubating the sample in a culture medium comprising one or more C₁₄alkyl acids and/or C₁₄alkyl alcohols, or one or more salts or anhydrides thereof in an amount of 200 to 800 mg/L, and optionally detecting the Listeria monocytogenes in the incubated sample.