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Phylogenomic Analysis of the Receptor-Like Proteins of Rice and Arabidopsis

Fritz-Laylin, L.K. and Krishnamurthy, N and Tör, M and Sjölander, K and Jones, J.D.G. (2005) Phylogenomic Analysis of the Receptor-Like Proteins of Rice and Arabidopsis. Plant Physiology, 138. pp. 611-623. ISSN Print 0032-0889 Online 1532-2548

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Abstract

The tomato (Lycopersicon esculentum) Cf-9 resistance gene encodes the first characterized member of the plant receptor-like protein (RLP) family. Other RLPs such as CLAVATA2 and TOO MANY MOUTHS are known to regulate development. The domain structure of RLPs consists of extracellular leucine-rich repeats, a transmembrane helix, and a short cytoplasmic region. Here, we identify 90 RLPs in rice (Oryza sativa) and compare them with functionally characterized RLPs from different plant species and with 56 Arabidopsis (Arabidopsis thaliana) RLPs, including the downy mildew resistance protein RPP27. Many RLPs cluster into four distinct superclades, three of which include RLPs known to be involved in plant defense. Sequence comparisons reveal diagnostic amino acid residues that may specify different molecular functions in different RLP subtypes. This analysis of rice RLPs thus identified at least 73 candidate resistance genes and four genes potentially involved in development. Due to the synteny between rice and other Gramineae, this analysis should provide valuable tools for experimental studies in rice and other cereals.

Item Type: Article
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This is an Open Access article. The full-text can be accessed via the Official URL.

Uncontrolled Keywords: genome analysis, phylogenomic analysis, resistance proteins, developmental genes, rice, Arabidopsis, receptor-like proteins
Subjects: Q Science > QK Botany
Q Science > QH Natural history > QH301 Biology
Q Science > QH Natural history > QH426 Genetics
Q Science > QR Microbiology
Divisions: Academic Departments > Institute of Science and the Environment
Research Centres > National Pollen and Aerobiology Research Unit
Depositing User: Janet Davidson
Date Deposited: 19 Jan 2011 19:47
Last Modified: 15 Nov 2012 14:31
URI: https://eprints.worc.ac.uk/id/eprint/1167

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