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Interactions between Filamentous Fungal Pathogens and Hosts: 2nd Edition
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Interactions between Filamentous Fungal Pathogens and Hosts: 2nd Edition

A special issue of Journal of Fungi (ISSN 2309-608X).

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 6974

Special Issue Editors

Prof. Dr. Ming-Guang Feng

E-Mail Website
Guest Editor
Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou 310058, China
Interests: entomopathogenic fungi and microbial control of pest insects and mites with special emphasis upon the prevalence of Entomophthorales-caused mycoses in aphid populations; the development of filamentous
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Zeng Tao

E-Mail Website
Guest Editor
Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, China
Interests: chromatin structure and transcriptional reprogramming in the fungi-host interaction; heterochromatin and transcriptional silencing in the pathogenic fungi; transcriptional regulation in the plant disease resistance

Special Issue Information

Dear Colleagues,

A large number of filamentous fungus are of agricultural importance, including causal agents of plant diseases and biological control agents of arthropod and nematode pests. Such fungi have evolved diverse mechanisms for adaptation to broad-spectrum or specific hosts and manifold lifestyles, which are believed to favor utilization of host nutrients through saprophytic, pathogenic and predatory lifecycles. The post-genomic era has been witnessing progress in the exploration of molecular mechanisms underlying fungus-host interactions to combat plant diseases and develop biological control programs of arthropod and nematode pests. This Special Issue will address diverse fungus-host interactions for insights into agricultural importance of plant- and insect-pathogenic and nematophagous fungi.

This Special Issue of the Journal of Fungi will present state-of-the-art reviews and research articles on the topic of “Interactions between Filamentous Fungal Pathogens and Hosts” in order to support green agriculture.

Prof. Dr. Ming-Guang Feng
Prof. Dr. Zeng Tao
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Fungi is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • filamentous fungi
  • plant pathogens
  • insect pathogens
  • nematode predators
  • fungus-host interaction
  • fungal pathogenicity
  • fungal virulence
  • fungal carnivorism
  • biological control

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Published Papers (4 papers)

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Research

17 pages, 6302 KiB  
Article
Photoreactivation Activities of Rad5, Rad16A and Rad16B Help Beauveria bassiana to Recover from Solar Ultraviolet Damage
by Xin-Cheng Luo, Lei Yu, Si-Yuan Xu, Sheng-Hua Ying and Ming-Guang Feng
J. Fungi 2024, 10(6), 420; https://doi.org/10.3390/jof10060420 - 13 Jun 2024
Cited by 1 | Viewed by 1086
Abstract
In budding yeast, Rad5 and Rad7-Rad16 play respective roles in the error-free post-replication repair and nucleotide excision repair of ultraviolet-induced DNA damage; however, their homologs have not yet been studied in non-yeast fungi. In the fungus Beauveria bassiana, a deficiency in the [...] Read more.
In budding yeast, Rad5 and Rad7-Rad16 play respective roles in the error-free post-replication repair and nucleotide excision repair of ultraviolet-induced DNA damage; however, their homologs have not yet been studied in non-yeast fungi. In the fungus Beauveria bassiana, a deficiency in the Rad7 homolog, Rad5 ortholog and two Rad16 paralogs (Rad16A/B) instituted an ability to help the insect-pathogenic fungus to recover from solar UVB damage through photoreactivation. The fungal lifecycle-related phenotypes were not altered in the absence of rad5, rad16A or rad16B, while severe defects in growth and conidiation were caused by the double deletion of rad16A and rad16B. Compared with the wild-type and complemented strains, the mutants showed differentially reduced activities regarding the resilience of UVB-impaired conidia at 25 °C through a 12-h incubation in a regime of visible light plus dark (L/D 3:9 h or 5:7 h for photoreactivation) or of full darkness (dark reactivation) mimicking a natural nighttime. The estimates of the median lethal UVB dose LD50 from the dark and L/D treatments revealed greater activities of Rad5 and Rad16B than of Rad16A and additive activities of Rad16A and Rad16B in either NER-dependent dark reactivation or photorepair-dependent photoreactivation. However, their dark reactivation activities were limited to recovering low UVB dose-impaired conidia but were unable to recover conidia impaired by sublethal and lethal UVB doses as did their photoreactivation activities at L/D 3:9 or 5:7, unless the night/dark time was doubled or further prolonged. Therefore, the anti-UV effects of Rad5, Rad16A and Rad16B in B. bassiana depend primarily on photoreactivation and are mechanistically distinct from those for their yeast homologs. Full article
(This article belongs to the Special Issue Interactions between Filamentous Fungal Pathogens and Hosts: 2nd Edition)
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14 pages, 23526 KiB  
Article
Identification and Characterization of Nigrospora Species and a Novel Species, Nigrospora anhuiensis, Causing Black Leaf Spot on Rice and Wild Rice in the Anhui Province of China
by Yang Liu, Jiahao An, Asma Safdar, Yang Shen, Yang Sun, Wenhui Shu, Xiaojuan Tan, Bo Zhu, Jiaxin Xiao, Jan Schirawski, Feng He and Guoping Zhu
J. Fungi 2024, 10(2), 156; https://doi.org/10.3390/jof10020156 - 16 Feb 2024
Cited by 1 | Viewed by 2406
Abstract
Rice production in the Anhui province is threatened by fungal diseases. We obtained twenty-five fungal isolates from rice and wild rice leaves showing leaf spot disease collected along the Yangtze River. A phylogenetic analysis based on internal transcribed spacer (ITS), translation elongation factor [...] Read more.
Rice production in the Anhui province is threatened by fungal diseases. We obtained twenty-five fungal isolates from rice and wild rice leaves showing leaf spot disease collected along the Yangtze River. A phylogenetic analysis based on internal transcribed spacer (ITS), translation elongation factor 1 alpha (TEF1-α), and beta tubulin (TUB2) sequences revealed one isolate (SS-2-JB-1B) grouped with Nigrospora sphaerica, one (QY) with Nigrospora chinensis, twenty-two with Nigrospora oryzae, and one isolate (QY-2) grouped in its own clade, which are related to but clearly different from N. oryzae. Nineteen tested isolates, including sixteen strains from the N. oryzae clade and the three isolates of the other three clades, caused disease on detached rice leaves. The three isolates that did not belong to N. oryzae were also able to cause disease in rice seedlings, suggesting that they were rice pathogens. Isolate QY-2 differed from the other isolates in terms of colony morphology, cell size, and susceptibility to fungicides, indicating that this isolate represents a new species that we named Nigrospora anhuiensis. Our analysis showed that N. sphaerica, N. chinensis, and the new species, N. anhuiensis, can cause rice leaf spot disease in the field. This research provides new knowledge for understanding rice leaf spot disease. Full article
(This article belongs to the Special Issue Interactions between Filamentous Fungal Pathogens and Hosts: 2nd Edition)
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16 pages, 1940 KiB  
Article
Modelling the In Vitro Growth of Phytopathogenic Filamentous Fungi and Oomycetes: The Gompertz Parameters as Robust Indicators of Propolis Antifungal Action
by Catarina Passão, Cristina Almeida-Aguiar and Ana Cunha
J. Fungi 2023, 9(12), 1161; https://doi.org/10.3390/jof9121161 - 3 Dec 2023
Cited by 1 | Viewed by 1645
Abstract
Propolis is a resinous mixture produced by honeybees, mainly from plant exudates. With a rich chemical composition including many phenolic compounds, mostly responsible for its biological properties, namely antimicrobial ones, propolis may be a promising alternative to synthetic pesticides. The study of propolis [...] Read more.
Propolis is a resinous mixture produced by honeybees, mainly from plant exudates. With a rich chemical composition including many phenolic compounds, mostly responsible for its biological properties, namely antimicrobial ones, propolis may be a promising alternative to synthetic pesticides. The study of propolis from the south of Portugal and of its potential against phytopathogenic agents are still very recent and different methodological approaches hinder a comparison of efficacies. In this context, we aimed to test the value of a mathematical model for the multiparametric characterization of propolis’ antifungal action on solid medium assays. An ethanol extract (EE) of a propolis sample harvested in 2016 from Alves (A16) was characterized in terms of phenolic composition and antimicrobial potential against five phytopathogenic species. A16.EE (500–2000 µg/mL) inhibited the mycelial growth of all the species, with Phytophthora cinnamomi and Biscogniauxia mediterranea being the most susceptible and Colletotrichum acutatum being the least affected. The Gompertz mathematical model proved to be a suitable tool for quantitatively describing the growth profiles of fungi and oomycetes, and its parameters exhibit a high level of discrimination. Our results reveal that propolis extracts may have potential applications beyond traditional uses, particularly within the agri-food sector, allowing beekeepers to make their businesses more profitable and diversified. Full article
(This article belongs to the Special Issue Interactions between Filamentous Fungal Pathogens and Hosts: 2nd Edition)
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17 pages, 2704 KiB  
Article
Between Habitats: Transfer of Phytopathogenic Fungi along Transition Zones from Kettle Hole Edges to Wheat Ears
by Marina Gerling, Grit von der Waydbrink, Gernot Verch, Carmen Büttner and Marina E. H. Müller
J. Fungi 2023, 9(9), 938; https://doi.org/10.3390/jof9090938 - 16 Sep 2023
Viewed by 1166
Abstract
Kettle holes are able to increase the soil and air humidity around them. Therefore, they create a perfect habitat for phytopathogenic fungi of the genera Fusarium and Alternaria to develop, sporulate, and immigrate into neighboring agricultural fields. In our study, we establish transects [...] Read more.
Kettle holes are able to increase the soil and air humidity around them. Therefore, they create a perfect habitat for phytopathogenic fungi of the genera Fusarium and Alternaria to develop, sporulate, and immigrate into neighboring agricultural fields. In our study, we establish transects from the edges of different kettle holes and field edges up to 50 m into the fields to analyze the abundance and diversity of pathogenic fungi in these transition zones by culture-dependent and culture-independent methods. However, in 2019 and 2020, low precipitation and higher temperatures compared to the long-time average were measured, which led to limited infections of weeds in the transition zones with Fusarium and Alternaria. Therefore, the hypothesized significantly higher infection of wheat plants next to the kettle holes by a strong spread of fungal spores was not detected. Infestation patterns of Fusarium and Alternaria fungi on weeds and wheat ears were spatially different. In total, 9 different Fusarium species were found in the transition zone. The species diversity at kettle holes differed from 0 to 6 species. The trend toward increased dryness in the northeast German agricultural landscape and its impact on the changing severity of fungal infections is discussed. Full article
(This article belongs to the Special Issue Interactions between Filamentous Fungal Pathogens and Hosts: 2nd Edition)
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