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Published on: March 9, 2014
Interactome of signaling networks in wheat: the protein-protein interaction between TaRAR1 and TaSGT1
1Cereal Crops Research Unit, U.S. Department of Agriculture-Agricultural Research Service, Fargo, ND 58105-5677, USA. yinshantai@gmail.com
Abstract:
RAR1 and SGT1 are required for development and disease resistance in plants. In many cases, RAR1 and SGT1 regulate the resistance (R)-gene-mediated defense signaling pathways. Lr21 is the first identified NBS-LRR-type R protein in wheat and is required for resistance to the leaf rust pathogen. The Lr21-mediated signaling pathways require the wheat homologs of RAR1, SGT1, and HSP90. However, the molecular mechanisms of the Lr21-mediated signaling networks remain unknown. Here I present the DNA and protein sequences of TaRAR1 and TaSGT1, and demonstrate for the first time a direct protein-protein interaction between them.
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