Plant and Fungal Interactions, 3rd Edition

A special issue of Journal of Fungi (ISSN 2309-608X). This special issue belongs to the section "Environmental and Ecological Interactions of Fungi".

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 1684

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Guest Editor
CSIC, Dept Microbiol Suelo & Sistemas Simbiot, Estn Expt Zaidin, C Prof Albareda 1, E-18008 Granada, Spain
Interests: arbuscular mycorrhizal fungi; nutrient transport; heavy metal; plant-fungal interactions; symbiosis
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Special Issue Information

Dear Colleagues,

Throughout their existence on Earth, plants and fungi have been closely associated. Plant–fungal interactions span a vast continuum from beneficial to detrimental and play a major role in natural and agricultural ecosystems. Beneficial or mutualistic plant-colonising fungi are widely distributed and provide benefits to plants by supplying nutrients and increasing plant stress tolerance or disease resistance. This is the case for mycorrhizal fungi, a group of diverse fungal taxa, which associate with roots of about 90% of all plant species and provide plants with mineral nutrients in exchange for fixed carbon. By contrast, plant pathogenic fungi are a major threat to crop production and food security. To fight these detrimental interactions, plants have evolved an array of defence mechanisms. Research on the mechanisms underlying both types of interactions and the subtle differences that determine the different outcomes has become one of the most interesting fields in plant sciences. The findings of these studies can be exploited to optimize beneficial interactions and to develop new plant protection strategies. This Special Issue is aimed at compiling research, review, and opinion articles covering new scientific discoveries in mutualistic and pathogenic plant-fungal interactions. Articles covering new insights into the physiology, biochemistry, molecular biology, genetics, and ecology of the fungal partner, the molecular mechanisms involved in plant-fungal interaction, and the effect of the interaction on plant fitness under different environmental conditions and in biotechnological applications are welcomed.

Dr. Nuria Ferrol
Guest Editor

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Published Papers (1 paper)

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Research

16 pages, 4431 KiB  
Article
The C2H2 Transcription Factor Con7 Regulates Vegetative Growth, Cell Wall Integrity, Oxidative Stress, Asexual Sporulation, Appressorium and Hyphopodium Formation, and Pathogenicity in Colletotrichum graminicola and Colletotrichum siamense
by Shuangzhen Zhou, Shayu Liu, Chenchen Guo, Hanwen Wei, Zhihui He, Zhiqiang Liu and Xiaoyu Li
J. Fungi 2024, 10(7), 495; https://doi.org/10.3390/jof10070495 - 17 Jul 2024
Viewed by 1141
Abstract
The Colletotrichum genus is listed as one of the top 10 important plant pathogens, causing significant economic losses worldwide. The C2H2 zinc finger protein serves as a crucial transcription factor regulating growth and development in fungi. In this study, we [...] Read more.
The Colletotrichum genus is listed as one of the top 10 important plant pathogens, causing significant economic losses worldwide. The C2H2 zinc finger protein serves as a crucial transcription factor regulating growth and development in fungi. In this study, we identified two C2H2 transcription factors, CgrCon7 and CsCon7, in Colletotrichum graminicola and Colletotrichum siamense, as the orthologs of Con7p in Magnaporthe oryzae. Both CgrCon7 and CsCon7 have a typical C2H2 zinc finger domain and exhibit visible nuclear localization. Disrupting Cgrcon7 or Cscon7 led to a decreased growth rate, changes in cell wall integrity, and low tolerance to H2O2. Moreover, the deletion of Cgrcon7 or Cscon7 dramatically decreased conidial production, and their knockout mutants also lost the ability to produce appressoria and hyphopodia. Pathogenicity assays displayed that deleting Cgrcon7 or Cscon7 resulted in a complete loss of virulence. Transcriptome analysis showed that CgrCon7 and CsCon7 were involved in regulating many genes related to ROS detoxification, chitin synthesis, and cell wall degradation, etc. In conclusion, CgrCon7 and CsCon7 act as master transcription factors coordinating vegetative growth, oxidative stress response, cell wall integrity, asexual sporulation, appressorium formation, and pathogenicity in C. graminicola and C. siamense. Full article
(This article belongs to the Special Issue Plant and Fungal Interactions, 3rd Edition)
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