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Diversity, classification and function of the plant protein kinase superfamily

Open access
Lehti-Shiu, Melissa D., Shiu, Shin-Han·2012·Philosophical Transactions of the Royal Society B: Biological Sciences

Abstract

Eukaryotic protein kinases belong to a large superfamily with hundreds to thousands of copies and are components of essentially all cellular functions. The goals of this study are to classify protein kinases from 25 plant species and to assess their evolutionary history in conjunction with consideration of their molecular functions. The protein kinase superfamily has expanded in the flowering plant lineage, in part through recent duplications. As a result, the flowering plant protein kinase repertoire, or kinome, is in general significantly larger than other eukaryotes, ranging in size from 600 to 2500 members. This large variation in kinome size is mainly due to the expansion and contraction of a few families, particularly the receptor-like kinase/Pelle family. A number of protein kinases reside in highly conserved, low copy number families and often play broadly conserved regulatory roles in metabolism and cell division, although functions of plant homologues have often diverged from their metazoan counterparts. Members of expanded plant kinase families often have roles in plant-specific processes and some may have contributed to adaptive evolution. Nonetheless, non-adaptive explanations, such as kinase duplicate subfunctionalization and insufficient time for pseudogenization, may also contribute to the large number of seemingly functional protein kinases in plants.

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Metadata

Authors
Lehti-Shiu, M. D., & Shiu, S.-H.
Venue
Philosophical Transactions of the Royal Society B: Biological Sciences
Published
2012-09-19
Volume
367
Issue
1602
Pages
2619-2639
ISSN
  • 0962-8436 (ISSN-L)
  • 1471-2970
OpenAlex
W2128668364
Cited by
387
References
13
FWCI
13.21
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Diversity, classification and function of the plant protein kinase superfamily. https://app.cochat.ai/papers/10.1098/rstb.2012.0003
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Lehti-Shiu, M. D., & Shiu, S.-H. (2012). Diversity, classification and function of the plant protein kinase superfamily. Philosophical Transactions of the Royal Society B: Biological Sciences. https://doi.org/10.1098/rstb.2012.0003

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