Species differentiation and identification in the genus of Helicobacter

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Feb 15, 1999 (publication date) through Jul 18, 2024

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. Feb 15, 1999; 5(1): 7-9
Published online Feb 15, 1999. doi: 10.3748/wjg.v5.i1.7

Table 3 Key and differential biochemical characteristics of Helicobacter species colonizing either humans and/or animals

Characteristic	H. pylori	H. canis	H. cinaedi	H. felis	H. fennelliae	H. pullorum	H. westmeadii
Catalase activity	+	-	+	+	+	+	+
Urease activity	+	-	-	+	-	-	-
Oxidase activity	+	+	+	+	+	+	+
Alkaline phosphatase activity	+	+	-	+	+	-	+
γ-Glutamyl transpeptidase activity	+		-	+	-
H₂S production	-		-	-	-		-
Indoxyl acetate hydrolysis	-	+	-	-	+	-	-
Hippurate hydrolysis	-	-	-	-	-	-	+
Nitrate reduction	-	-	+	+	-	+	+
C₄ esterase	+		+		+		+
C₈ esterase lipase	+		+		+		+
Leucine arylamidase	+		-	+	-		+
Acid phosphatase	+		+		+		+
Naphthol-AS-B1-phosphohydrolase	+		+		+		+
DNase activity	+			+
G + C content (mol%)	35-37	48	37-38	43	37-38	34-35

Citation: Hua JS, Zheng PY, Ho B. Species differentiation and identification in the genus of Helicobacter. World J Gastroenterol 1999; 5(1): 7-9
URL: https://www.wjgnet.com/1007-9327/full/v5/i1/7.htm
DOI: https://dx.doi.org/10.3748/wjg.v5.i1.7