New disease caused by Neoscytalidium dimidiatum devastates tomatoes (Solanum lycopersicum) in Turkey

Türkölmez, Şahimerdan; Çiftçi, Osman; Serçe, Çiğdem Ulubaş; Dikilitaş, Murat

doi:10.1016/j.cropro.2018.12.004

Cited by 27 publications

(17 citation statements)

References 30 publications

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“…Based on morphology and phylogenetic analyses of ITS, LSU, and tub sequences in this study, the fungal pathogen causing stem canker on H. polyrhizus identified as N. dimidiatum. Neoscytalidium dimidiatum has been reported to be a fast-growing fungus that commonly reaches a diameter of 9 cm on Petri dishes within 3 days of incubation, as previously described by Mohd et al [3] and Turkolmez et al [19]. Our results are in agreement with previous research; the N. dimidiatum PSU-SC02 colony on PDA reached a diameter of 9 cm in 3 days.…”

Section: Discussionsupporting

confidence: 93%

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Morphological, Molecular Identification and Pathogenicity of Neoscytalidium dimidiatum Causing Stem Canker of Hylocereus polyrhizus in Southern Thailand

Wonglom

Pornsuriya

et al. 2022

Plants

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Red-fleshed dragon fruit (Hylocereus polyrhizus) is commonly cultivated in Thailand, especially in southern Thailand, where the weather favors plant growth and development. In 2021, stem canker of H. polyrhizus was observed in a dragon fruit plantation field in Phatthalung Province, southern Thailand. Small, orange circular spots developed on the stem of H. polyrhizus, which later became gray, and the lesion expanded with a mass of conidia. Scytalidium-like fungus was isolated from infected tissues. Based on morphology and phylogenetic analyses of internal transcribed spacer (ITS), nuclear large subunit (LSU) and β-tubulin (tub) sequences of fungal isolates, the fungus was identified as Neoscytalidium dimidiatum. Pathogenicity tests revealed that this isolate caused stem canker on the stem of H. polyrhizus, similar to that observed in the field. Knowledge of the diagnosis of plant diseases is an important step for managing plant diseases and therefore, this finding provides basic information for the development of appropriate strategies to manage stem canker disease on H. polyrhizus plants.

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Section: Discussionsupporting

confidence: 93%

“…Furthermore, N. dimidiatum PSU-SC02 from our study showed hyaline conidiogenous cells, and pycnidial conidia were aseptate, hyaline, and ellipsoidal to fusiform. These morphologies were typical of N. dimidiatum, as indicated by previous reports [3,19,22].…”

Section: Discussionsupporting

confidence: 85%

Morphological, Molecular Identification and Pathogenicity of Neoscytalidium dimidiatum Causing Stem Canker of Hylocereus polyrhizus in Southern Thailand

Wonglom

Pornsuriya

et al. 2022

Plants

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“…The genus “ Neoscytalidium” is a member of Botryosphaeriaceae family and containing four species including N. dimidiatum , N. oculus , N. orchidacearum , and N. novaehollandiae 1 . This genus may potentially infect plants 2 – 4 , humans, and animals 5 – 7 . The distribution of this genus has extended to all continents.…”

Section: Introductionmentioning

confidence: 99%

Neoscytalidium novaehollandiae causes dieback on Pinus eldarica and its potential for infection of urban forest trees

Alizadeh

Safaie

Shams‐Bakhsh

et al. 2022

Sci Rep

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Neoscytalidium novaehollandiae is one of the most important pathogens on woody plants which has increasingly been reported as a pathogen in different hosts in recent years. The pine trees are widely cultured in many cities of Iran. In recent years, dieback symptoms were observed on Pinus eldarica trees in Tehran and Qazvin provinces. The aim of this study was to investigate the dieback causal agent on P. eldarica trees in Iran. The branches and cones of P. eldarica trees were sampled for fungal isolation. The morphological and molecular characterizations (ITS, LSU, and TEF1-α regions) identified N. novaehollandiae as a dieback causal agent. This is the first report of N. novaehollandiae disease of P. eldarica trees in Iran. Furthermore, disease severity was assayed on 19 urban forest trees under three different temperature and relative humidity (RHs) regimes. C regime (29 °C and 15% RH) displayed more disease severity on detached branches than B (24 °C and 80% RH) and A (19 °C and 35% RH) ones. This study presents the host range of this pathogen, and showed that these potential hosts are prone to this pathogen under high temperature and low humidity which urban forest trees experienced in recent decades.

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“…They cause canker in a wide variety of trees in several regions of the world and are signi cant threat to commercial plantations. Neoscytalidium dimidiatum was dominantly isolated from Quercus brantii in Iran [2], leaf blight on Sansevieria trifasciata in Malaysia [3], tomato in Turkey [4], canker disease of pitaya in China [5], and g trees in Iraq [6]. The N. orchidacearum sp.…”

Section: Introductionmentioning

confidence: 99%

Phaeohyphomycosis in a COVID-19 Patient Caused by Neoscytalidium Dimidiatum

Dolatabadi

Nasirharandi

Pourahmad

et al. 2022

Preprint

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We report a case of 32-years-old male with a cerebral phaeohyphomycosis post COVID-19 infection from Iran. The causative agent was identified by histopathology, routine mycological methods and confirmed by DNA sequencing of the internal transcribed spacer (ITS) region of rDNA and proved to be Neoscytalidium dimidiatum which is an opportunistic dematiaceous fungus belonging to Dothideomycetes.No apparent underlying disease was seen beside his COVID-19 complications and corticosteroid therapy. Symptoms indicative of his fungal infection appeared two weeks after his COVID-19 scenario. The brain MRI showed multi-focal CNS infection as abscess. Delayed identification of the fungus and antifungal treatment with amphotericin B may have affected the outcome, thus the patient died on day 25 post COVID-19 infection.Considering, rare incidence of infections due to N. dimidiatum, reporting this case will add to our awareness and may lead us to a timely management.

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New disease caused by Neoscytalidium dimidiatum devastates tomatoes (Solanum lycopersicum) in Turkey

Cited by 27 publications

References 30 publications

Morphological, Molecular Identification and Pathogenicity of Neoscytalidium dimidiatum Causing Stem Canker of Hylocereus polyrhizus in Southern Thailand

Morphological, Molecular Identification and Pathogenicity of Neoscytalidium dimidiatum Causing Stem Canker of Hylocereus polyrhizus in Southern Thailand

Neoscytalidium novaehollandiae causes dieback on Pinus eldarica and its potential for infection of urban forest trees

Phaeohyphomycosis in a COVID-19 Patient Caused by Neoscytalidium Dimidiatum

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