Researchers in China identify virus resistance gene from wild grass for cereal crop improvement

Published 2022년 9월 6일

Tridge summary

Researchers from the Chinese Academy of Sciences have identified the first monocot plant viral resistance gene, barley stripe resistance 1 (BSR1), from a wild grass Brachypodium distachyon. This gene encodes a nucleotide-binding, leucine-rich repeat immune receptor (NLR) protein that can improve the resistance of cereal crops like wheat and barley to the Barley stripe mosaic virus (BSMV). The BSR1 gene was cloned using map-based cloning and was found to interact with the TGB1 movement protein of the BSMV virus. The study suggests that the BSR1 protein interacts with the TGB1 amino acids 390/392 and two amino acids in the Brachypodium BSR1 protein, highlighting the importance of using the model plant Brachypodium to find novel genes for cereal crop improvement.

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Original content

Researchers from the Institute of Genetics and Developmental Biology (IGDB) of the Chinese Academy of Sciences (CAS) identified the first monocot plant viral resistance gene encoding a nucleotide-binding, leucine-rich repeat immune receptor (NLR) protein from a wild grass Brachypodium to improve the cereal crops (wheat and barley) resistance to Barley stripe mosaic virus (BSMV). Results were published in New Phytologist. Viral diseases seriously threaten the crop productivity. Although a number of NLR proteins conferring resistance to specific viruses have been identified in dicot plants, NLR protein involved in viral resistance has not been found ever in monocot plants, including the most important cereal crops wheat, rice, maize, barley, oat, etc. BSMV is a ...

Source: Phys