Curvularia asianensisandCurvularia eragrostidisassociated with leaf spot ofSansevieria trifasciatain Malaysia

Kee, Yee Jia; Zakaria, Latiffah; Mohd, Masratul Hawa

doi:10.1111/jph.12890

Cited by 8 publications

(4 citation statements)

References 34 publications

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“…Curvularia is reported to be a species-rich genus consisting of 131 species listed in Index Fungorum (assessed on 4 January 2018) 9 . The genus Curvularia acts predominantly as endophytes and pathogens of plants, animals, and humans 10 – 12 . Of note, Curvularia spp.…”

Section: Introductionmentioning

confidence: 99%

Genome-wide comparison deciphers lifestyle adaptation and glass biodeterioration property of Curvularia eragrostidis C52

Quach

Ngo

Nguyen

et al. 2022

Sci Rep

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Glass biodeterioration by fungi has caused irreversible damage to valuable glass materials such as cultural heritages and optical devices. To date, knowledge about metabolic potential and genomic profile of biodeteriorative fungi is still scarce. Here, we report for the first time the whole genome sequence of Curvularia eragrostidis C52 that strongly degraded silica-based glasses coated with fluorine and hafnium, as expressed by the hyphal surface coverage of 46.16 ± 3.3% and reduced light transmission of 50.93 ± 1.45%. The genome of C. eragrostidis C52 is 36.9 Mb long with a GC content of 52.1% and contains 14,913 protein-coding genes, which is the largest genome ever recorded in the genus Curvularia. Phylogenomic analysis revealed C. eragrostidis C52 formed a distinct cluster with Curvularia sp. IFB-Z10 and was not evolved from compared genomes. Genome-wide comparison showed that strain C52 harbored significantly higher proportion of proteins involved in carbohydrate-active enzymes, peptidases, secreted proteins, and transcriptional factors, which may be potentially attributed to a lifestyle adaptation. Furthermore, 72 genes involved in the biosynthesis of 6 different organic acids were identified and expected to be crucial for the fungal survival in the glass environment. To form biofilm against stress, the fungal strain utilized 32 genes responsible for exopolysaccharide production. These findings will foster a better understanding of the biology of C. eragrostidis and the mechanisms behind fungal biodeterioration in the future.

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Section: Introductionmentioning

confidence: 99%

Genome-wide comparison deciphers lifestyle adaptation and glass biodeterioration property of Curvularia eragrostidis C52

Quach

Ngo

Nguyen

et al. 2022

Sci Rep

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“…For instance, C. lunata infection causes leaf spots on maize 19 and root rot on Strawberry 20 . Leaf spot on Sansevieria trifasciata 11 and postharvest rot on Pineapple 21 can be caused by C. eragrostidis, while C. hawaiiensis infection leads to leaf spot on rice 22 . In this study, the pathogenicity analysis revealed that diseased seedlings exhibited yellow, watery, and irregular lesions on their leaves.…”

Section: Discussionmentioning

confidence: 99%

“…Certain species of Curvularia, such as C. asianensis and C. eragrostidis, can cause leaf spot disease in Sansevieria trifasciata, while C. lunata is responsible for sun ower leaf spot 10,11 . Effective management of the leaf spot disease in C. kwangsiensis requires identi cation of the pathogen and implementation of control measures.…”

Section: Introductionmentioning

confidence: 99%

Identification, Characterization, and Sensitivity to Phytochemicals of Novel Curvularia Species Associated with Leaf Spot Disease on Curcuma kwangsiensis

Wang,

Wei,

Wei

et al. 2024

Preprint

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A leaf spot disease affecting Curcuma kwangsiensis (Zingiberaceae) has been observed in Qinzhou City, Guangxi Province. Infected leaves exhibit yellow-brown spots that progressively expand and eventually lead to leaf death. Curvularia isolates were abtained from the diseased leaves with tissue isolation and single spore purification methods. To accurately identify these isolates, we analyzed their morphological characteristics and phylogenetic relationships using combinations of ITS, GAPDH, and EF-1α gene sequences. Phylogenetic analysis showed that the investigated strains formed a distinct clade separate from other recognized Curvularia species. Furthermore, the strains exhibited differences in conidiophore size and conidia shape/size. Based on phylogenetic studies, morphology, and pathogenicity tests, the pathogens were identified as a new species named Curvularia qinzhouensis. Optimal conditions for mycelial growth were observed at 30°C and pH 8. The sensitivity of the pathogen to various phytochemicals was also examined. Honokiol, thymol, and citral demonstrated effective antifungal effects, with EC50 values of 6.72 ± 1.75, 25.74 ± 4.30, and 54.24 ± 4.69 µg/ml, respectively. The present investigation provides the first report of leaf spot disease on C. kwangsiensis caused by C. qinzhouensis, and valuable insights for the prevention and control of this disease.

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“…(Kee et al 2019), Curvularia spp. (Kee et al 2020a), Fusarium spp. (Kee et al 2020b) as well as Colletotrichum neosansevieriae and Stachybotrys sansevieriicola (Crous et al 2015).…”

Section: Introductionmentioning

confidence: 99%

First Report on Colletotrichum sansevieriae Causing Anthracnose of Sansevieria trifasciata in Germany

Brand

Wichura

2022

Gesunde Pflanzen

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Sansevieria species are valued in Europe as potted houseplants because of their modest maintenance requirements and low susceptibility to diseases and pests. Water-soaked leaf spots that eventually coalesced into large, drying lesions were observed on Sansevieria trifasciata freshly imported from Costa Rica. A Colletotrichum was isolated from the fungal fruiting bodies that developed on these necroses. It was confidently determined to be C. sansevieriae based on the host plant and microbiological as well as molecular biology test results. This is the first detection of C. sansevieriae in Germany.

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Curvularia asianensisandCurvularia eragrostidisassociated with leaf spot ofSansevieria trifasciatain Malaysia

Cited by 8 publications

References 34 publications

Genome-wide comparison deciphers lifestyle adaptation and glass biodeterioration property of Curvularia eragrostidis C52

Genome-wide comparison deciphers lifestyle adaptation and glass biodeterioration property of Curvularia eragrostidis C52

Identification, Characterization, and Sensitivity to Phytochemicals of Novel Curvularia Species Associated with Leaf Spot Disease on Curcuma kwangsiensis

First Report on Colletotrichum sansevieriae Causing Anthracnose of Sansevieria trifasciata in Germany

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