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Jo Y, Cho WK, Rim Y, Moon J, Chen XY, Chu H, Kim CY, Park ZY, Lucas WJ, Kim JY. Plasmodesmal receptor-like kinases identified through analysis of rice cell wall extracted proteins. Protoplasma 2011; 248:191-203. [PMID: 21161304 PMCID: PMC3111878 DOI: 10.1007/s00709-010-0251-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2010] [Accepted: 11/24/2010] [Indexed: 05/06/2023]
Abstract
In plants, plasmodesmata (PD) are intercellular channels that function in both metabolite exchange and the transport of proteins and RNAs. Currently, many of the PD structural and regulatory components remain to be elucidated. Receptor-like kinases (RLKs) belonging to a notably expanded protein family in plants compared to the animal kingdom have been shown to play important roles in plant growth, development, pathogen resistance, and cell death. In this study, cell biological approaches were used to identify potential PD-associated RLK proteins among proteins contained within cell walls isolated from rice callus cultured cells. A total of 15 rice RLKs were investigated to determine their subcellular localization, using an Agrobacterium-mediated transient expression system. Of these six PD-associated RLKs were identified based on their co-localization with a viral movement protein that served as a PD marker, plasmolysis experiments, and subcellular localization at points of wall contact between spongy mesophyll cells. These findings suggest potential PD functions in apoplasmic signaling in response to environmental stimuli and developmental inputs.
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Affiliation(s)
- Yeonhwa Jo
- Division of Applied Life Science (BK21 Program), Environmental Biotechnology National Core Research Center, Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, 660-701 Republic of Korea
| | - Won Kyong Cho
- Division of Applied Life Science (BK21 Program), Environmental Biotechnology National Core Research Center, Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, 660-701 Republic of Korea
| | - Yeonggil Rim
- Division of Applied Life Science (BK21 Program), Environmental Biotechnology National Core Research Center, Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, 660-701 Republic of Korea
| | - Juyeon Moon
- Division of Applied Life Science (BK21 Program), Environmental Biotechnology National Core Research Center, Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, 660-701 Republic of Korea
| | - Xiong-Yan Chen
- Division of Applied Life Science (BK21 Program), Environmental Biotechnology National Core Research Center, Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, 660-701 Republic of Korea
| | - Hyosub Chu
- Division of Applied Life Science (BK21 Program), Environmental Biotechnology National Core Research Center, Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, 660-701 Republic of Korea
- Present Address: Bioindustrial Process Center, Jeonbuk Branch Institute of Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeonbuk, 580-185 Republic of Korea
| | - Cha Young Kim
- Division of Applied Life Science (BK21 Program), Environmental Biotechnology National Core Research Center, Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, 660-701 Republic of Korea
- Present Address: Bioindustrial Process Center, Jeonbuk Branch Institute of Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeonbuk, 580-185 Republic of Korea
| | - Zee-Yong Park
- Department of Life Science, Gwangju Institute of Science and Technology, Gwangju, 500-712 Republic of Korea
| | - William J. Lucas
- Department of Plant Biology, College of Biological Sciences, University of California, Davis, CA 95616 USA
| | - Jae-Yean Kim
- Division of Applied Life Science (BK21 Program), Environmental Biotechnology National Core Research Center, Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, 660-701 Republic of Korea
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