First report of leaf blight and twig dieback caused by Mycoleptodiscus indicus on Ixora coccinea

Banerjee, Arghya; Mandal, Ram Asheshwar; Nath, Partha Sarathi

doi:10.5197/j.2044-0588.2018.038.005

Cited by 4 publications

(4 citation statements)

References 4 publications

(4 reference statements)

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“…Mycoleptodiscus indicus is widely known to cause pathogens on many plant parts, causing leaf blight and twig dieback on Ixora coccinea (Ostazeski, 1967, Banerjee et al, 2018. On Zamia, M. indicus caused leaf necrosis with reddish-brown death spots on leaves (El-Gholl and Alfieri, 1991) similar to the necrotic parts on lotus leaves in this current study.…”

Section: In Vivo Antifungal Activity Of Nano-silversupporting

confidence: 75%

“…The colony morphology and microscopic morphology of the isolated fungi were similar to those of M. indicus, which cause rare infections in humans and animals (Maboni, Krimer et al, 2019). Morphology of the fungal colonies was also similar to M. indicus isolated from diseased Ixora coccinea (Banerjee, Mandal et al, 2018).…”

Section: Morphology Of Isolated Pathogenic Fungisupporting

confidence: 53%

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Study on the In vitro and In vivo Antifungal Activities of Nano-silver against Mycoleptodiscus indicus causing Leaf Blight on Lotus in Vietnam

Hong

Hanh

et al. 2021

IJARe

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Background: Lotus, Nelumbo nucifera Gaertn is Vietnam’s symbol and Buddhism’s flower and plays an essential part in rural Vietnam’s economy as all aspects of lotus could bring benefits to farmers. But, unfortunately, lotus yield in Vietnam is seriously affected by various plant diseases. Among them, leaf blight is currently emerging as one of the primary diseases devastating lotus crops in Vietnam, in which there are large necrotic parts on lotus leaves, flowers and seeds. Methods: Aloe barbadensis extract was used for synthesizing silver nanoparticles. Leaf blight lotus leaves were collected to isolate pathogenic fungi-infection of isolated pathogenic fungi on the healthy lotus and then identify hidden mold by 28S rRNA sequencing. Determination of in vitro minimal inhibition concentration of nano-silver was conducted according to Azizi. The reduction of disease symptoms and biological characteristics of the treated lotus was observed. Result: Morphological analysis and molecular identification of 28S rRNA sequencing showed that the pathogenic microorganism was Mycoleptodiscus indicus (M. indicus). Both in vitro antifungal activity and in vivo treatment of leaf blight lotus using a nano-silver solution showed that 30 ppm of nano-silver was the minimal inhibition concentration (MIC) for totally eradicating M. indicus growth. This was the first time M. indicus was reported to infect and cause leaf blight on a lotus. Previously, M. indicus was a well-known plant pathogen that could cross-kingdom infect humans and animals. Thus, the fact that lotus is widely cultured in Vietnamese rural could increase the chance for M. indicus to spread; hence, this raised the alarm about its potential harm to plants, humans and animals. And, significantly, it revealed nano-silver as a possible approach to prevent M. indicus.

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Section: In Vivo Antifungal Activity Of Nano-silversupporting

confidence: 75%

Section: Morphology Of Isolated Pathogenic Fungisupporting

confidence: 53%

Study on the In vitro and In vivo Antifungal Activities of Nano-silver against Mycoleptodiscus indicus causing Leaf Blight on Lotus in Vietnam

Hong

Hanh

et al. 2021

IJARe

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“…Mycoleptodiscus indicus is a dematiaceous hyphomycete fungus that is a common plant pathogen in tropical and subtropical zones throughout the world. 1 , 2 , 3 In the last 2 decades, there have been increasing reports of M. indicus causing opportunistic phaeohyphomycosis in human and veterinary medicine. 4 , 5 , 6 , 7 , 8 Typically, it causes local cutaneous or subcutaneous infections after traumatic tissue inoculation.…”

Section: Introductionmentioning

confidence: 99%

Diagnosis, treatment, and outcome in a dog with systemic Mycoleptodiscus indicus infection

Crespo‐Szabo¹,

Stafford²

2021

Veterinary Internal Medicne

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Objective: Describe the diagnosis, clinical course, and management of a dog with systemic Mycoleptodiscus indicus infection. Case Summary: A 5-year-old male neutered Giant Schnauzer presented with left eye anterior uveitis, peripheral lymphadenopathy, hyperglobulinemia, anemia, and thrombocytopenia. A diagnosis of M. indicus infection was made based on histopathology and PCR. Treatment with itraconazole and terbinafine resulted in resolution of the hyperglobulinemia, anemia, thrombocytopenia, and peripheral lymphadenopathy. No evidence of fungal organisms was identified on lymph node, liver, or ocular histopathology after 7 months of treatment. New or Unique Information Provided: This case is the first report of a systemic M. indicus infection in an apparently immunocompetent dog. Clinical resolution was achieved with systemic itraconazole and terbinafine.

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“…With the increasing demand, the import and cultivation of I. coccinea has been growing in South Korea, and this is mostly propagated by cuttings ( Lin et al, 2020 ). Although several studies reported natural infections of fungal pathogens, including Mycoleptodiscus indicus and Colletotrichum aeschynomenes , in I. coccinea ( Banerjee et al, 2018 ; Li et al, 2021 ), no viral pathogens have been reported to date.…”

mentioning

confidence: 99%

Rapid Identification of Jasmine Virus H Infecting Ixora coccinea by Nanopore Metatranscriptomics

et al. 2023

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The global climate change and international trade have facilitated the movement of plants across borders, increasing the risk of introducing novel plant viruses in new territories. Ixora coccinea exhibited virus-like foliar symptoms, including mosaic and mild mottle. An Oxford Nanopore Technologies-based compact and portable MinION platform was used to identify the causal viral pathogen. The complete genome sequence of jasmine virus H (JaVH; 3867 nt, JaVH-CNU) was determined and found to share 88.4-90.3% nucleotide identity with that of Jasminum sambac JaVH isolate in China. Phylogenetic analysis based on the complete amino acid sequences of RNA-dependent RNA polymerase and coat protein revealed that JaVH-CNU was grouped separately with other JaVH isolates. This is the first report of a natural JaVH infection of >i<I. coccinea. The application of rapid nanopore sequencing for plant virus identification was demonstrated and is expected to provide accurate and rapid diagnosis for virus surveillance.

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First report of leaf blight and twig dieback caused by Mycoleptodiscus indicus on Ixora coccinea

Cited by 4 publications

References 4 publications

Study on the In vitro and In vivo Antifungal Activities of Nano-silver against Mycoleptodiscus indicus causing Leaf Blight on Lotus in Vietnam

Study on the In vitro and In vivo Antifungal Activities of Nano-silver against Mycoleptodiscus indicus causing Leaf Blight on Lotus in Vietnam

Diagnosis, treatment, and outcome in a dog with systemic Mycoleptodiscus indicus infection

Rapid Identification of Jasmine Virus H Infecting Ixora coccinea by Nanopore Metatranscriptomics

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