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Article

Identification of Genes Involved in the Glycosylation of Modified Viosamine of Flagellins in Pseudomonas syringae by Mass Spectrometry

1
National Food Research Institute, 2-1-12 Kannondai, Tsukuba, Ibaraki 305-8642, Japan
2
The Graduate School of Natural Science and Technology, Okayama University, Tsushima-naka 1-1-1, Okayama 700-8530, Japan
*
Author to whom correspondence should be addressed.
Genes 2011, 2(4), 788-803; https://doi.org/10.3390/genes2040788
Received: 2 September 2011 / Revised: 20 October 2011 / Accepted: 21 October 2011 / Published: 28 October 2011
(This article belongs to the Special Issue Genes and Genomes of Plant Pathogenic Bacteria)
Previously we revealed that flagellin proteins in Pseudomonas syringae pv. tabaci 6605 (Pta 6605) were glycosylated with a trisaccharide, modified viosamine (mVio)-rhamnose-rhamnose and that glycosylation was required for virulence. We further identified some glycosylation-related genes, including vioA, vioB, vioT, fgt1, and fgt2. In this study, we newly identified vioR and vioM in a so-called viosamine island as biosynthetic genes for glycosylation of mVio in Pta 6605 by the mass spectrometry (MS) of flagellin glycan in the respective mutants. Furthermore, characterization of the mVio-related genes and MS analyses of flagellin glycans in other pathovars of P. syringae revealed that mVio-related genes were essential for mVio biosynthesis in flagellin glycans, and that P. syringae pv. syringae B728a, which does not possess a viosamine island, has a different structure of glycan in its flagellin protein. View Full-Text
Keywords: flagellin; glycosylation; mass spectrometry; viosamine island flagellin; glycosylation; mass spectrometry; viosamine island
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MDPI and ACS Style

Yamamoto, M.; Ohnishi-Kameyama, M.; Nguyen, C.L.; Taguchi, F.; Chiku, K.; Ishii, T.; Ono, H.; Yoshida, M.; Ichinose, Y. Identification of Genes Involved in the Glycosylation of Modified Viosamine of Flagellins in Pseudomonas syringae by Mass Spectrometry. Genes 2011, 2, 788-803. https://doi.org/10.3390/genes2040788

AMA Style

Yamamoto M, Ohnishi-Kameyama M, Nguyen CL, Taguchi F, Chiku K, Ishii T, Ono H, Yoshida M, Ichinose Y. Identification of Genes Involved in the Glycosylation of Modified Viosamine of Flagellins in Pseudomonas syringae by Mass Spectrometry. Genes. 2011; 2(4):788-803. https://doi.org/10.3390/genes2040788

Chicago/Turabian Style

Yamamoto, Masanobu, Mayumi Ohnishi-Kameyama, Chi L. Nguyen, Fumiko Taguchi, Kazuhiro Chiku, Tadashi Ishii, Hiroshi Ono, Mitsuru Yoshida, and Yuki Ichinose. 2011. "Identification of Genes Involved in the Glycosylation of Modified Viosamine of Flagellins in Pseudomonas syringae by Mass Spectrometry" Genes 2, no. 4: 788-803. https://doi.org/10.3390/genes2040788

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