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Special Issue "New Advances in Plant-Fungal Interactions"

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Key Laboratory of Green Pesticide & Agricultural Bioengineering, Ministry of Education Center for Research and Development of Fine Chemicals, Guizhou University, Guiyang 550025, China
Interests: action mechanism of fungicide; plant–pathogen interactions; resistance responses of plant host; non-coding RNAs and coding RNAs

Special Issue Information

Dear Colleagues,

Plant diseases caused by fungal phytopathogens can negatively affect the productivity and quality of crops. The study of plant–pathogen interactions could contribute to our understanding of the occurrence and epidemic laws of diseases, pathogenic mechanisms of pathogens, and resistance responses of the host. At present, the axial regulation mechanisms from non-coding RNAs and coding RNAs to proteins can help us to better understand plant–pathogen interactions. In addition, the emerging field of bidirectional regulation mechanisms from plant host and pathogens at the RNA level can help us to reveal the mechanisms of infection or resistance responses of the host. Meanwhile, whole-transcriptome sequencing, degradation sequencing, and single-cell sequencing, as well as the study of the interactions between coding RNAs and non-coding RNAs (circular RNAs, long non-coding RNAs, and microRNAs), would provide many methods for studying the interaction of plant host and fungal pathogens. Results have indicated that some non-coding RNAs from plant host or pathogen can interact with some messenger RNAs, thus changing the function of some proteins. The interactions would participate in the mechanism of pathogens, and resistance response of the host. This Special Issue will publish 15 to 18 research articles on the interactions between plants and the fungal phytopathogens. The research field will be related to some important food crops, vegetables, and cash crops, and the latest advances in plant and disease interaction will be reviewed, which will provide new knowledge for domestic and foreign counterparts. We expect to publish 18 to 20 research articles and review articles in this Special Issue.

Prof. Dr. Zhuo Chen
Guest Editor

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Keywords

coding RNAs
non-coding RNAs
axial regulation mechanisms
bidirectional regulation mechanisms
pathogenic mechanisms of pathogens
resistance responses of the host

Published Papers (2 papers)

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Research

Open AccessArticle

Piriformospora indica Increases Resistance to Fusarium pseudograminearum in Wheat by Inducing Phenylpropanoid Pathway

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Int. J. Mol. Sci. 2023, 24(10), 8797; https://doi.org/10.3390/ijms24108797 - 15 May 2023

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Abstract

Fusarium crown rot (FCR), mainly caused by Fusarium pseudograminearum, not only seriously threatens the yield and quality of wheat, but also endangers the health and safety of humans and livestock. Piriformospora indica is a root endophytic fungus that colonizes plant roots extensively and can effectively promote plant growth and improve plant resistance to biotic and abiotic stresses. In this study, the mechanism of FCR resistance mediated by P. indica in wheat was revealed from the phenylpropanoid metabolic pathway. The results showed that the colonization of P. indica significantly reduced the progression of wheat disease, the amount of F. pseudograminearum colonization, and the content of deoxynivalenol (DON) in wheat roots. RNA-seq suggested that P. indica colonization could reduce the number of differentially expressed genes (DEGs) in the transcriptome caused by F. pseudograminearum infection. The DEGs induced by the colonization of P. indica were partially enriched in phenylpropanoid biosynthesis. Transcriptome sequencing and qPCR indicated that the colonization of P. indica up-regulated the expression of genes involved in the phenylpropanoid biosynthesis pathway. The metabolome analysis indicated that the colonization of P. indica increased the metabolites’ accumulation in the phenylpropanoid biosynthesis. Consistent with transcriptome and metabolomic analysis, microscopic observations showed enhanced lignin accumulation in the roots of the Piri and Piri+Fp lines, most likely contributing to the arrested infection by F. pseudograminearum. These results suggested that P. indica increased resistance to F. pseudograminearum in wheat by inducing the phenylpropanoid pathway. Full article

(This article belongs to the Special Issue New Advances in Plant-Fungal Interactions)

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Open AccessArticle

Draft Genome and Biological Characteristics of Fusarium solani and Fusarium oxysporum Causing Black Rot in Gastrodia elata

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Int. J. Mol. Sci. 2023, 24(5), 4545; https://doi.org/10.3390/ijms24054545 - 25 Feb 2023

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Abstract

Gastrodia elata is a valuable traditional Chinese medicinal plant. However, G. elata crops are affected by major diseases, such as brown rot. Previous studies have shown that brown rot is caused by Fusarium oxysporum and F. solani. To further understand the disease, we studied the biological and genome characteristics of these pathogenic fungi. Here, we found that the optimum growth temperature and pH of F. oxysporum (strain QK8) and F. solani (strain SX13) were 28 °C and pH 7, and 30 °C and pH 9, respectively. An indoor virulence test showed that oxime tebuconazole, tebuconazole, and tetramycin had significant bacteriostatic effects on the two Fusarium species. The genomes of QK8 and SX13 were assembled, and it was found that there was a certain gap in the size of the two fungi. The size of strain QK8 was 51,204,719 bp and that of strain SX13 was 55,171,989 bp. Afterwards, through phylogenetic analysis, it was found that strain QK8 was closely related to F. oxysporum, while strain SX13 was closely related to F. solani. Compared with the published whole-genome data for these two Fusarium strains, the genome information obtained here is more complete; the assembly and splicing reach the chromosome level. The biological characteristics and genomic information we provide here lay the foundation for further research on G. elata brown rot. Full article

(This article belongs to the Special Issue New Advances in Plant-Fungal Interactions)

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