villosiclava virens
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Plant Disease ◽  
2021 ◽  
Author(s):  
Xiayan Pan ◽  
Xiao Wang ◽  
Junjie Yu ◽  
Mina Yu ◽  
Huijuan Cao ◽  
...  

Rice false smut (RFS), caused by Villosiclava virens, is an important fungal disease in panicle of rice. V. virens is a heterothallic ascomycete that controlled by two opposite idiomorphs, MAT1-1 and MAT1-2. Previous study showed sexual reproduction of V. virens plays an important role in the epidemic of RFS. In this study, we have developed a loop-mediated isothermal amplification (LAMP) assay to detect mating type of V. virens easily and rapidly by using specific primers designed on the mating type genes MAT1-1-2 and MAT1-2-1, respectively. The LAMP assay required only a water/dry bath and could recognize the mating type of V. virens in just 45 min. The LAMP assay was so sensitive that could detect small amounts of V. virens genomic DNA (as low as 2.0 pg of MAT1-1, and 200.0 pg of MAT1-2), which was 10-fold more sensitive than polymerase chain reaction (PCR). In addition, the application of mating type using LAMP assay was demonstrated feasibly by assessing the genomic DNA of V. virens isolated from rice fields. The high efficiency and specificity of this LAMP assay suggested it can be used as a rapid testing tool in mating type recognition of V. virens isolates in the field.


2019 ◽  
pp. 1-6 ◽  
Author(s):  
Jiajia Meng ◽  
Siji Zhao ◽  
Pengqin Dang ◽  
Zhiyao Zhou ◽  
Daowan Lai ◽  
...  
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2019 ◽  
Vol 35 (2) ◽  
pp. 272-281
Author(s):  
Ali Wang ◽  
Peng Li ◽  
Peipei Han ◽  
Gan Gu ◽  
Tijiang Shan ◽  
...  

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