Molecular characterization of a novel fusarivirus infecting the edible fungus Auricularia heimuer

Li, Xuefei; Sui, Kunpeng; Xiè, Jiǎtāo; Du, Hao; Yin, Weiqi; Sossah, Frederick Leo; Song, Bing; Yu, Li

doi:10.1007/s00705-020-04781-6

Cited by 15 publications

(5 citation statements)

References 32 publications

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“…Basidiomycetous or ascomycetous macrofungi, which all possess visible fruiting bodies, are a source for mycovirus screening and thus have been investigated in several reports. In particular, commercially cultivated basidiomycetous macrofungi were extensively screened because of their ecological and industrial importance ( Ro et al., 2006 ; Magae and Sunagawa, 2010 ; Magae, 2012 ; Lin et al., 2019 ; Qiu et al., 2010 ; Revill et al., 1994 ; Komatsu et al., 2019 ; Li et al., 2020 ). Wild edible macrofungi, such as the commercially valuable ascomycetous genus Tuber (true truffles) ( Stielow et al., 2011a ; 2011b ; 2012; Stielow and Menzel, 2010 ) and the basidiomycetous genus Lactarius ( Sutela and Vainio, 2020 ), have also been reported to harbor mycoviruses.…”

Section: Introductionmentioning

confidence: 99%

Seven new mycoviruses identified from isolated ascomycetous macrofungi

Zhao,

Hosoya,

Urayama

et al. 2024

Virus Research

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Section: Introductionmentioning

confidence: 99%

Seven new mycoviruses identified from isolated ascomycetous macrofungi

Zhao,

Hosoya,

Urayama

et al. 2024

Virus Research

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“…Mutualism is also common between mycoviruses and their hosts [ 3 , 4 ]. Many edible mushroom species are infected with mycoviruses, including Agaricus bisporus , Lentinula edodes , Pleurotus ostreatus , Flammulina velutipes , Pleurotus eryngii , Agrocybe aegerita , Boletus edulis , Volvariella volvacea , Grifola frondose , Armillaria species., Auricularia heimuer , Bondarzewia berkeleyi , Picoa juniperi , Leucocybe candicans , Cordyceps chanhua , and Pleurotus citrinopileatus [ 1 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 ]. These mycoviruses can enhance or diminish various symptoms in the host fungi, including changes in morphology, sporulation, pigmentation, radial growth, and/or biomass production [ 20 , 21 ].…”

Section: Introductionmentioning

confidence: 99%

Oyster Mushroom Spherical Virus Crosses the Species Barrier and Is Pathogenic to a New Host Pleurotus pulmonarius

Zhang,

Hu,

Zhao

et al. 2023

IJMS

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Oyster mushroom spherical virus (OMSV) is a mycovirus with a positive-sense single-stranded RNA genome that infects the edible mushroom Pleurotus ostreatus. OMSV is horizontally transferred from an infected strain to a cured strain via mycelia. The infection results in significant inhibition of mycelial growth, malformation of fruiting bodies, and yield loss in oyster mushrooms. This study successfully transferred OMSV from P. ostreatus to Pleurotus pulmonarius. However, transmission was not successful in other Pleurotus species including P. citrinopileatus, P. eryngii, P. nebrodensis, and P. salmoneostramineus. The successful OMSV infection in P. pulmonarius was further verified with Western blot analysis using a newly prepared polyclonal antiserum against the OMSV coat protein. Furthermore, OMSV infection reduced the mycelial growth rate of P. pulmonarius. The OMSV-infected strain demonstrated abnormal performance including twisted mushrooms or irregular edge of the cap as well as reduced yield of fruiting bodies in P. pulmonarius, compared to the OMSV-free strain. This study is the first report on the infection and pathogenicity of OMSV to the new host P. pulmonarius. The data from this study therefore suggest that OMSV is a potential threat to P. pulmonarius.

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“…Besides, "Fusariviridae" is a recently proposed family of + ssRNA viruses, its family members have a 6 to 10 kb in size genome, containing 2 ~ 4 ORFs. The largest ORF encodes for a replicase-related protein that carries RdRp and helicase domains, whereas the remaining ORFs encode for proteins of unknown function [5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Molecular characterization of a previously undescribed fusarivirus infecting the phytopathogenic fungus Fusarium pseudograminearum

Zhao,

Zhong,

Guan

et al. 2023

Preprint

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Fusarium pseudograminearum is a pathogenic fungus causeing crown rot. Only two mycovirus have been reported in F. pseudograminearumthus far. Here, we report a fungal virus (mycovirus), Fusarium pseudograminearum fusarivirus 1 (FpFV1), isolated from the F. pseudograminearum strain ZZ-1. FpFV1 has a single-stranded positive-sense RNA (+ssRNA) genome of 6622 nucleotides containing four open reading frames (ORFs). ORF1 encodes for a large 1,550 amino acids (aa) polypeptide with a conserved RNA-dependent RNA polymerase (RdRp) and two helicase domains. The ORF2, ORF3 and ORF4 have overlapping regions and encode putative proteins of 154 aa, 53aa and 429aa, respectively. All three ORFs have unknown functions. Based on the genomic structure, homology searches, and phylogenetic analysis, FpFV1 could be a new member of the proposed “Fusariviridae”. This is the first report of a fusarivirus that infects F. pseudograminearum.

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Molecular characterization of a novel fusarivirus infecting the edible fungus Auricularia heimuer

Cited by 15 publications

References 32 publications

Seven new mycoviruses identified from isolated ascomycetous macrofungi

Seven new mycoviruses identified from isolated ascomycetous macrofungi

Oyster Mushroom Spherical Virus Crosses the Species Barrier and Is Pathogenic to a New Host Pleurotus pulmonarius

Molecular characterization of a previously undescribed fusarivirus infecting the phytopathogenic fungus Fusarium pseudograminearum

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