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Table 1 Type-2 fimbriae subtypes on A. naeslundii genospecies 1 and 2 and A. odontolyticus with different binding properties.

From: Sequence analyses of fimbriae subunit FimA proteins on Actinomyces naeslundii genospecies 1 and 2 and Actinomyces odontolyticus with variant carbohydrate binding specificities

 

A. naeslundii

A. odontolyticus

 

gsp 1

gsp 2

 
 

12104

LY7

PK984

Fimbriae typea

2:1

2:2

2:3

Sugar specificityb

   Galβ

+ (GL)

+ (GP)

-

   Sialic acid

-

-

+ (GP)

Hemagglutinationc

   Human

1

0

4

   Human + sialidase

3

4

1

  1. aSubtypes of type-2 fimbriae, types-2:1 to 2:3, among Actinomyces species based on different hybridization patterns of strains with fimA-derived DNA probes and binding patterns to carbohydrates, red blood cells and bacterial partners [14].
  2. b Saccharide specificity and receptor ligand (GL= glycolipid, GP = glycoprotein) for each fimbriae subtype or reference strain [20, 28].
  3. c Hemagglutination (HA) patterns for each fimbriae subtype or reference strain. Score 0 marks no HA and score 4 strong HA. Similar HA results were obtained with goat and chicken erythrocytes (data not shown).
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BMC Microbiology

ISSN: 1471-2180

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