文献类型： 外文期刊
作者： Liu, Qing 1 ; Xue, Jiao 2 ; Zhang, Lanlan 1 ; Jiang, Liqun 1 ; Li, Chen 1 ;
作者机构： 1.Guangdong Acad Agr Sci, Key Lab Genet & Breeding High Qual Rice Southern C, Guangdong Key Lab New Technol Rice Breeding, Rice Res Inst,Guangdong Rice Engn Lab,Minist Agr &, Guangzhou 510640, Peoples R China
2.Guangdong Acad Agr Sci, Agrobiol Gene Res Ctr, Guangdong Key Lab Crop Germplasm Resources Preserv, Guangzhou 510640, Peoples R China
关键词： rice blast disease; lncRNAs; Magnaporthe oryzae; disease resistance; crop yield
期刊名称：GENES （ 影响因子：3.5； 五年影响因子：3.9 ）
ISSN：
年卷期： 2024 年 15 卷 1 期
页码：
收录情况： SCI
摘要： Rice blast disease, caused by the fungal pathogen Magnaporthe oryzae, is a major threat to rice production worldwide. This study investigates the role of long non-coding RNAs (lncRNAs) in rice's response to this destructive disease, with a focus on their impacts on disease resistance and yield traits. Three specific lncRNAs coded by M. oryzae infection-responsive lncRNAs (MOIRAs), MOIRA1, MOIRA2, and MOIRA3, were identified as key regulators of rice's response to M. oryzae infection. Strikingly, when MOIRA1 and MOIRA2 were overexpressed, they exhibited a dual function: they increased rice's susceptibility to blast fungus, indicating a negative role in disease resistance, while simultaneously enhancing tiller numbers and single-plant yield, with no adverse effects on other yield-related traits. This unexpected improvement in productivity suggests the possibility of overcoming the traditional trade-off between disease resistance and crop yield. These findings provide a novel perspective on crop enhancement, offering a promising solution to global food security challenges by developing rice varieties that effectively balance disease resistance and increased productivity.
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