Knirel YA - Search Results

1

Cloning and functional characterization of a 30 kb gene locus required for lipopolysaccharide biosynthesis in Legionella pneumophila.

Lüneberg E, Zetzmann N, Alber D, Knirel YA, Kooistra O, Zähringer U, Frosch M. Lüneberg E, et al. Among authors: knirel ya. Int J Med Microbiol. 2000 Mar;290(1):37-49. doi: 10.1016/S1438-4221(00)80104-6. Int J Med Microbiol. 2000. PMID: 11043980

2

N-Methylation in polylegionaminic acid is associated with the phase-variable epitope of Legionella pneumophila serogroup 1 lipopolysaccharide. Identification of 5-(N,N-dimethylacetimidoyl)amino and 5-acetimidoyl(N-methyl)amino-7-acetamido-3,5,7,9-tetradeoxynon-2-ulosonic acid in the O-chain polysaccharide.

Kooistra O, Lüneberg E, Knirel YA, Frosch M, Zähringer U. Kooistra O, et al. Among authors: knirel ya. Eur J Biochem. 2002 Jan;269(2):560-72. doi: 10.1046/j.0014-2956.2001.02683.x. Eur J Biochem. 2002. PMID: 11856315 Free article.

3

The structure of the O-specific chain of Legionella pneumophila serogroup 1 lipopolysaccharide.

Knirel YA, Rietschel ET, Marre R, Zähringer U. Knirel YA, et al. Eur J Biochem. 1994 Apr 1;221(1):239-45. doi: 10.1111/j.1432-1033.1994.tb18734.x. Eur J Biochem. 1994. PMID: 8168511 Free article.

4

Structural study of a highly O-acetylated core of Legionella pneumophila serogroup 1 lipopolysaccharide.

Knirel YA, Moll H, Zähringer U. Knirel YA, et al. Carbohydr Res. 1996 Oct 31;293(2):223-34. doi: 10.1016/0008-6215(96)00194-2. Carbohydr Res. 1996. PMID: 8938377

5

Phase-variable expression of lipopolysaccharide contributes to the virulence of legionella pneumophila.

Lüneberg E, Zähringer U, Knirel YA, Steinmann D, Hartmann M, Steinmetz I, Rohde M, Köhl J, Frosch M. Lüneberg E, et al. Among authors: knirel ya. J Exp Med. 1998 Jul 6;188(1):49-60. doi: 10.1084/jem.188.1.49. J Exp Med. 1998. PMID: 9653083 Free PMC article.

6

Complex O-acetylation in Legionella pneumophila serogroup 1 lipopolysaccharide. Evidence for two genes involved in 8-O-acetylation of legionaminic acid.

Kooistra O, Lüneberg E, Lindner B, Knirel YA, Frosch M, Zähringer U. Kooistra O, et al. Among authors: knirel ya. Biochemistry. 2001 Jun 26;40(25):7630-40. doi: 10.1021/bi002946r. Biochemistry. 2001. PMID: 11412117

7

A point mutation in the active site of Legionella pneumophila O-acetyltransferase results in modified lipopolysaccharide but does not influence virulence.

Lück PC, Freier T, Steudel C, Knirel YA, Lüneberg E, Zähringer U, Helbig JH. Lück PC, et al. Among authors: knirel ya. Int J Med Microbiol. 2001 Nov;291(5):345-52. doi: 10.1078/1438-4221-00140. Int J Med Microbiol. 2001. PMID: 11727818

8

Molecular characterization of a virulence-associated epitope on the lipopolysaccharide of Legionella pneumophila serogroup 1.

Helbig JH, Lück PC, Knirel YA, Witzleb W, Zähringer U. Helbig JH, et al. Among authors: knirel ya. Epidemiol Infect. 1995 Aug;115(1):71-8. doi: 10.1017/s0950268800058131. Epidemiol Infect. 1995. PMID: 7543861 Free PMC article.

9

The lipopolysaccharide of Legionella pneumophila serogroup 1 (strain Philadelphia 1): chemical structure and biological significance.

Zähringer U, Knirel YA, Lindner B, Helbig JH, Sonesson A, Marre R, Rietschel ET. Zähringer U, et al. Among authors: knirel ya. Prog Clin Biol Res. 1995;392:113-39. Prog Clin Biol Res. 1995. PMID: 8524918 Review.

10

Chemical characterization of a new 5,7-diamino-3,5,7,9-tetradeoxynonulosonic acid released by mild acid hydrolysis of the Legionella pneumophila serogroup 1 lipopolysaccharide.

Knirel YA, Moll H, Helbig JH, Zähringer U. Knirel YA, et al. Carbohydr Res. 1997 Oct 28;304(1):77-9. doi: 10.1016/s0008-6215(97)00211-5. Carbohydr Res. 1997. PMID: 9403997

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