期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 22, 期 22, 页码 -出版社
MDPI
DOI: 10.3390/ijms222212349
关键词
WSS; OWBM; resistance; genome organization; wheat; cereals; miRNA
资金
- Montana BioAgriculture Inc., (MBAI), Missoula, MT, USA
This study compares and analyzes the coding and non-coding features of key loci in wheat, paving the way for cloning and editing additional genes related to tolerance to wheat stem sawfly and orange wheat blossom midge.
Food insecurity and malnutrition have reached critical levels with increased human population, climate fluctuations, water shortage; therefore, higher-yielding crops are in the spotlight of numerous studies. Abiotic factors affect the yield of staple food crops; among all, wheat stem sawfly (Cephus cinctus Norton) and orange wheat blossom midge (Sitodiplosis mosellana) are two of the most economically and agronomically harmful insect pests which cause yield loss in cereals, especially in wheat in North America. There is no effective strategy for suppressing this pest damage yet, and only the plants with intrinsic tolerance mechanisms such as solid stem phenotypes for WSS and antixenosis and/or antibiosis mechanisms for OWBM can limit damage. A major QTL and a causal gene for WSS resistance were previously identified in wheat, and 3 major QTLs and a causal gene for OWBM resistance. Here, we present a comparative analysis of coding and non-coding features of these loci of wheat across important cereal crops, barley, rye, oat, and rice. This research paves the way for our cloning and editing of additional WSS and OWBM tolerance gene(s), proteins, and metabolites.
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