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Your search keyword '"Sun, Guo-Chang"' showing total 14 results
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14 results on '"Sun, Guo-Chang"'

6. MAT Loci Play Crucial Roles in Sexual Development but Are Dispensable for Asexual Reproduction and Pathogenicity in Rice Blast Fungus Magnaporthe oryzae

Author

Wang, Jiao-yu, primary, Wang, Shi-zhen, additional, Zhang, Zhen, additional, Hao, Zhong-na, additional, Shi, Xiao-xiao, additional, Li, Ling, additional, Zhu, Xue-ming, additional, Qiu, Hai-ping, additional, Chai, Rong-yao, additional, Wang, Yan-li, additional, Li, Lin, additional, Liu, Xiao-hong, additional, Feng, Xiao-xiao, additional, Sun, Guo-chang, additional, and Lin, Fu-cheng, additional

Published
2021
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10. Differences in pathogenicity and physiologic races between Pyricularia oryzaeisolates from indicaand japonicarice varieties

Author

Hao, Zhong-na, Zhang, Zhen, Qiu, Hai-ping, Chai, Rong-yao, Wang, Shi-zhen, Wang, Yan-li, Wang, Jiao-yu, and Sun, Guo-chang

Abstract

The objective of this study was to preliminarily analyze the differences in pathogenicity and physiologic races between Pyricularia oryzaeisolates from indicaand japonicarice varieties. Five to 7 isolates of P. oryzaefrom indicaand japonica,having good sporulation capacity, were screened out in each experimental year. To determine the pathogenicity of P. oryzae, different kinds of rice varieties were inoculated with mixtures of indicaand japonicaisolates. A total of 46 isolates, including 23 indicaisolates and 23 japonicaisolates, were screened out in four years. In total, 1252 rice varieties, including 490 indica, 296 japonicaand 466 indica-japonicahybrid rice varieties, were inoculated. Our results suggested that the degree of disease was more severe in most indicavarieties infected with indicaisolates than in those infected with japonicaisolates. That is, indicaisolates were more inclined to infect indicavarieties. A majority of japonicaand indica-japonicahybrid rice varieties infected with japonicaisolates showed more severe infection than those infected with indicaisolates. In other words, japonicaisolates more easily infected japonicaand indica-japonicahybrid rice varieties. The differences in quantity among the varieties indicated high resistance to rice blast in the corresponding kinds of rice inoculated with indicaand japonicaisolates, fully explaining the above viewpoint. Most of the 23 indicaisolates belonged to indicaraces. Among the 23 japonicaisolates, half were indicaraces and half were japonicaraces. In addition, there were significant differences between the isolates selected in the first two years and those selected in the second two years. The isolates in the first two years were all of indicaraces, and those of japonicaraces all appeared in the second two years. The results showed that the race of isolates shared little association with the kind of rice variety collected but was associated with the year of neck blast sample collection.

Published
2021
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14. The functions of PEX genes in peroxisome biogenesis and pathogenicity in phytopathogenic fungi.

Author

Gao FY, Li L, Wang JY, Wang YL, and Sun GC

Subjects
Fungal Proteins genetics, Fungi pathogenicity, Genes, Fungal physiology, Peroxisomes physiology, Plant Diseases microbiology
Abstract

Peroxisomes are cellular organelles present ubiquitously in eukaryotic cells and are involved in β-oxidation, glyoxylate cycle and a variety of biochemical metabolisms. Recently peroxisomes have been demonstrated to play vital roles in the host infection processes by plant fungal pathogens. The biogenesis of peroxisomes requires a category of proteins named peroxins, which are encoded by the PEX genes. So far, more than 10 PEX genes were isolated in phytopathogenic fungi, and significant research efforts are focused on the mechanism of peroxisome formation and the roles of peroxisome in the development and pathogenicity of fungal pathogens. In this review, we summarize the latest advances in peroxisome biogenesis and functions in pathogenic fungi, including the roles of PEXs in life cycle of peroxisome, peroxisome related metabolisms, and fungal development, infection and pathogenicity, in order to provide references for future studies in plant pathogenic fungi and the control of disease.

Published
2017
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