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The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.

Large‐scale phosphorylation mapping reveals the extent of tyrosine phosphorylation in Arabidopsis

Open access
Sugiyama, Naoyuki, Nakagami, Hirofumi, Mochida, Keiichi, Daudi, Arsalan, Tomita, Masaru, Shirasu, Ken, Ishihama, Yasushi·2008·Molecular Systems Biology

Abstract

Protein phosphorylation regulates a wide range of cellular processes. Here, we report the proteome-wide mapping of in vivo phosphorylation sites in Arabidopsis by using complementary phosphopeptide enrichment techniques coupled with high-accuracy mass spectrometry. Using unfractionated whole cell lysates of Arabidopsis, we identified 2597 phosphopeptides with 2172 high-confidence, unique phosphorylation sites from 1346 proteins. The distribution of phosphoserine, phosphothreonine, and phosphotyrosine sites was 85.0, 10.7, and 4.3%. Although typical tyrosine-specific protein kinases are absent in Arabidopsis, the proportion of phosphotyrosines among the phospho-residues in Arabidopsis is similar to that in humans, where over 90 tyrosine-specific protein kinases have been identified. In addition, the tyrosine phosphoproteome shows features distinct from those of the serine and threonine phosphoproteomes. Taken together, we highlight the extent and contribution of tyrosine phosphorylation in plants.

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Metadata

Authors
Sugiyama, N., Nakagami, H., Mochida, K., Daudi, A., Tomita, M., Shirasu, K., & Ishihama, Y.
Venue
Molecular Systems Biology
Published
2008-01
Volume
4
Issue
1
Pages
193-193
ISSN
1744-4292 (ISSN-L)
OpenAlex
W2114508508
Cited by
377
References
42
FWCI
14.54
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Large‐scale phosphorylation mapping reveals the extent of tyrosine phosphorylation in Arabidopsis. https://app.cochat.ai/papers/10.1038/msb.2008.32
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Sugiyama, N., Nakagami, H., Mochida, K., Daudi, A., Tomita, M., Shirasu, K., & Ishihama, Y. (2008). Large‐scale phosphorylation mapping reveals the extent of tyrosine phosphorylation in Arabidopsis. Molecular Systems Biology. https://doi.org/10.1038/msb.2008.32

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