scholarly journals Studies on variation in virulence of rice blast fungus, Pyricularia oryzae Cavara. II. Appearance of variants and change of predominant race during successive inoculation of a variant with wide spectrum of virulence on rice leaves.

1985 ◽  
Vol 51 (2) ◽  
pp. 206-211 ◽  
Author(s):  
Tsuneo NAMAI ◽  
Susumu YAMANAKA
Keyword(s):  
Rice Blast ◽  
Wide Spectrum ◽  
Rice Blast Fungus ◽  
Pyricularia Oryzae ◽  
Blast Fungus ◽  
Successive Inoculation ◽  
Rice Leaves

scholarly journals Glycerol-3-Phosphate Shuttle Is Involved in Development and Virulence in the Rice Blast Fungus Pyricularia oryzae

2018 ◽  
Vol 9 ◽  
Author(s):  
Yongkai Shi ◽  
Huan Wang ◽  
Yuxin Yan ◽  
Huijuan Cao ◽  
Xiaohong Liu ◽  
...  
Keyword(s):  
Rice Blast ◽  
Rice Blast Fungus ◽  
Pyricularia Oryzae ◽  
Blast Fungus

The P5-type ATPase Spf1 is required for development and virulence of the rice blast fungus Pyricularia oryzae

2019 ◽  
Vol 66 (2) ◽  
pp. 385-395 ◽  
Author(s):  
Yingmin Qu ◽  
Jing Wang ◽  
Xueming Zhu ◽  
Bo Dong ◽  
Xiaohong Liu ◽  
...  
Keyword(s):  
Rice Blast ◽  
Rice Blast Fungus ◽  
Pyricularia Oryzae ◽  
Blast Fungus

scholarly journals Morphological Characterization and Genetic Diversity of Rice Blast Fungus, Pyricularia oryzae, from Thailand Using ISSR and SRAP Markers

2020 ◽  
Vol 6 (1) ◽  
pp. 38 ◽  
Author(s):  
Apinya Longya ◽  
Sucheela Talumphai ◽  
Chatchawan Jantasuriyarat
Keyword(s):  
Genetic Diversity ◽  
Genetic Variation ◽  
Rice Blast ◽  
Rice Blast Fungus ◽  
Pyricularia Oryzae ◽  
Blast Disease ◽  
Host Recognition ◽  
Srap Markers ◽  
Blast Fungus ◽  
Polymorphic Bands

Rice blast disease is caused by the ascomycete fungus Pyricularia oryzae and is one of the most destructive rice diseases in the world. The objectives of this study were investigating various fungal morphological characteristics and performing a phylogenetic analysis. Inter-simple sequence repeat (ISSR) and sequence-related amplified polymorphism (SRAP) markers were used to examine the genetic variation of 59 rice blast fungus strains, including 57 strains collected from different fields in Thailand and two reference strains, 70-15 and Guy11. All isolates used in this study were determined to be P. oryzae by internal transcribed spacer (ITS) sequence confirmation. A total of 14 ISSR primers and 17 pairs of SRAP primers, which produced clear and polymorphic bands, were selected for assessing genetic diversity. A total of 123 polymorphic bands were generated. The similarity index value for the strains ranged from 0.25 to 0.95. The results showed that the blast fungus population in Thailand has both morphological and genetic variations. A high level of genetic variation, or genome adaptation, is one of the fungal mechanisms that could overcome host resistance to avoid host recognition. Results from this research study could bring substantial benefits and ultimately help to understand the blast fungal pathogen genome and the population structure in Thai blast fungus.

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