Predominant Occurrence of Truncated Complex Type N-Glycans among Glycoproteins in Mature Red Tomato

Kosuke NAKAMURA; Masami INOUE; Katsutoshi HOSOI; Yoshinobu KIMURA

doi:10.1271/bbb.80579

Biochemistry & Molecular Biology Notes

Predominant Occurrence of Truncated Complex Type N-Glycans among Glycoproteins in Mature Red Tomato

Kosuke NAKAMURA, Masami INOUE, Katsutoshi HOSOI, Yoshinobu KIMURA

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Keywords: plant N-glycan, tomato glycoproteins, tomato fruit ripening, Lycopersicon esculentum

JOURNAL FREE ACCESS

2009 Volume 73 Issue 1 Pages 221-223

DOI https://doi.org/10.1271/bbb.80579

View "Advance Publication" version (January 7, 2009).

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Abstract

In this study, we analyzed the structures of complex type N-glycans linked to glycoproteins in mature red tomato to determine the relative ratio of high-mannose type structure and complex type structure. Structural analysis of pyridylaminated N-glycans revealed that the truncated plant complex type structure accounted for about 70% of total conjugated N-glycans, while the high-mannose type structure accounted for about 22%.

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