First report of coriander leaf blight diseases caused by <i>Cladosporium tenuissimum</i> in China and analysis of metabolic alterations related to pathogenic processes

Zhou, You; Guo, Lijia; Liang, Chen; Liu, Lei; Jun, Wang; Yang, Lei; Jun-sheng, Huang

doi:10.1111/ppa.13542

Cited by 9 publications

(3 citation statements)

References 37 publications

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“…Thus, this finding highlights the occurrence of O. leptostyla that cause losses in walnut cultivation. C. tenuissimum is a quite common saprobic species isolated from numerous substrates, and is the agent of leaf spot or blight disease in China ( Han et al, 2019 ; Li et al, 2021 ; Xie et al, 2022 ; Zhou et al, 2022 ). However, the isolates of P. byssoides , which have been verified based on molecular data, are saprobic on host plants in Vitaceae, Apiaceae, Cornaceae, Cannabaceae, Euphorbiaceae, Magnoliaceae, Fabaceae, and Rosaceae ( Yang et al, 2022 ).…”

Section: Discussionmentioning

confidence: 99%

Morphology and phylogeny of ascomycetes associated with walnut trees (Juglans regia) in Sichuan province, China

Xiao

Wang²,

Liu³

et al. 2022

Front. Microbiol.

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In Sichuan province, walnuts, consisting of Juglans regia, Juglans sigillata, and the hybrid J. regia × J. sigillata, are commercially important edible nuts, and J. regia is the most widespread plant. To date, the diversity and distribution of fungi inhabiting on Juglans have not received enough attention, although there have been studies focusing on pathogens from fruit and stem. In order to update the checklist of fungi associated with Sichuan walnuts, a survey on fungi associated with the three Juglans species from 15 representative regions in Sichuan was conducted. In this article, ten fungi distributed in two classes of Ascomycota (Dothideomycetes and Sordariomycetes) were described based on morpho-molecular analyses, and two novel species, Neofusicoccum sichuanense and Sphaerulina juglandina, a known species of Ophiognomonia leptostyla, and seven new hosts or geographical records of Cladosporium tenuissimum, Diatrypella vulgaris, Helminthosporium juglandinum, Helminthosporium velutinum, Loculosulcatispora hongheensis, Periconia byssoides, and Rhytidhysteron subrufulum were included. Morphological descriptions and illustrations of these fungi are provided.

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Section: Discussionmentioning

confidence: 99%

Morphology and phylogeny of ascomycetes associated with walnut trees (Juglans regia) in Sichuan province, China

Xiao

Wang²,

Liu³

et al. 2022

Front. Microbiol.

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“…D-mannose belongs to the lectin family, responsible for the action of resistance when infected with pathogens (Hwang and Hwang 2011). Threonic acid and myo-inositol were reported to play a role in the plant response to the endophytic fungus Cladosporium tenuissimum (Zhou et al 2022). In this study, two categories of resistance were also compared using OPLS-DA.…”

Section: Classi Cation and Identi Cation Of Metabolites From Parental...mentioning

confidence: 99%

1H NMR metabolomics analysis of leaf tissue from oil palms against Ganoderma boninense

Rahmadi,

Syukur,

Widodo

et al. 2024

Preprint

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Introduction Breeding for oil palm resistance against basal stem rot caused by Ganoderma boninense is challenging and lengthy. Advanced oil palm gene pools are very limited hence it is assumed that parental palms have experienced genetic drift and lost their resistance genes against Ganoderma. High-throughput selection criteria should be developed. Metabolomic analysis using 1H Nuclear Magnetic Resonance (NMR) is known to be easy to prepare and the produced metabolite could be used as a diagnostic tool for disease incidents in various host-pathogen combinations. Objectives The study objective is to identify metabolite variations of Dura (D) and Pisifera (P) parental palms with different resistance against Ganoderma and moderately resistant Tenera (DxP) using 1H NMR analysis Methods Leaf tissues of seven different oil palm categories consisting of: resistant, moderate, and susceptible Dura (D), moderate and susceptible Pisifera (P), resistant Tenera/Pisifera (T/P) progenies, and moderately resistant DxP variety progenies were sampled and determined their metabolites using NMR spectroscopy. Results Twenty-nine types of metabolites were identified and most of the metabolites fall in the monosaccharides, amino acid, and fatty acids compound classes. The PCA, PLS-DA, and heatmap multivariate analysis indicated that there were two identified groups of resistances based on their metabolites. The first group consisted of resistant T/P, moderate P, resistant D, and moderately resistant DxP. In contrast, the second group consisted of susceptible P, moderate D, and susceptible D. Glycerol and ascorbic acid were detected as a biomarker candidate by OPLS-DA to differentiate moderately resistant DxP against susceptible D and P. The pathway analysis suggested that the glycine, serine, and threonine metabolism and taurine and hypotaurine metabolism were involved in the oil palm defense mechanism against Ganoderma. Conclusion Metabolomic study with 1H NMR was able to describe the metabolites composition that could differentiate the characteristics of oil palm resistance against basal stem rot caused by Ganoderma boninense. These metabolites revealed in this study had enormous potential to become support tools to breed new oil palm varieties with higher resistance against basal stem rot.

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“…Several fungal pathogens are responsible for causing leaf spot diseases on coriander plants worldwide, such as Ulocladium oblongoobovoideum, Alternaria alternata, Colletotrichum gloeosporioides, Colletotrichum capsica, Cercospora corianderi, Phoma multirostrata, and Cladosporium tenuissimum [8][9][10][11]. Among phytopathogens, the genus Alternaria is one of the most important, comprising a great number of pathogens that lead to large-scale losses in several crops [12,13].…”

Section: Introductionmentioning

confidence: 99%

Lytic and Molecular Evidence of the Widespread Coriander Leaf Spot Disease Caused by Alternaria dauci

Ghoneem,

Al-Askar,

El-Gamal

et al. 2023

Plants

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Coriandrum sativum L. is a globally significant economic herb with medicinal and aromatic properties. While coriander leaf blight disease was previously confined to India and the USA, this study presents new evidence of its outbreak in Africa and the Middle East caused by Alternaria dauci. Infected leaves display irregular chlorotic to dark brown necrotic lesions along their edges, resulting in leaf discoloration, collapse, and eventual death. The disease also impacts inflorescences and seeds, significantly reducing seed quality. Koch’s postulates confirmed the pathogenicity of the fungus through the re-isolation of A. dauci from artificially infected leaves, and its morphology aligns with typical A. dauci features. Notably, this study identified strong lytic activity (cellulase: 23.76 U, xylanase: 12.83 U, pectinase: 51.84 U, amylase: 9.12 U, and proteinase: 5.73 U), suggesting a correlation with pathogenicity. Molecular characterization using ITS (ON171224) and the specific Alt-a-1 gene (OR236142) supports the fungal morphology. This research provides the first comprehensive documentation of the pathological, lytic, and molecular evidence of A. dauci leaf blight disease on coriander. Future investigations should prioritize the development of resistant coriander varieties and sustainable disease management strategies, including the use of advanced molecular techniques for swift and accurate disease diagnosis to protect coriander from the devastating impact of A. dauci.

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First report of coriander leaf blight diseases caused by Cladosporium tenuissimum in China and analysis of metabolic alterations related to pathogenic processes

Cited by 9 publications

References 37 publications

Morphology and phylogeny of ascomycetes associated with walnut trees (Juglans regia) in Sichuan province, China

Morphology and phylogeny of ascomycetes associated with walnut trees (Juglans regia) in Sichuan province, China

1H NMR metabolomics analysis of leaf tissue from oil palms against Ganoderma boninense

Lytic and Molecular Evidence of the Widespread Coriander Leaf Spot Disease Caused by Alternaria dauci

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