Pleosporales » Phaeosphaeriaceae » Ophiosphaerella

Ophiosphaerella graminicola

Ophiosphaerella graminicola Speg., Anal. Mus. nac. B. Aires, Ser. 3 12: 401 (1909).

Index Fungorum number: IF 233957; Facesoffungi number: FoF 00257, Fig. 1

Description: see Phookamsak et al. (2014); Ariyawansa et al. (2015).

Material considered: see Phookamsak et al. (2014); Ariyawansa et al. (2015).

Fig. 1 Ophiosphaerella graminicola (BPI 748267). a Herbarium material. b Appearance of ascomata on host substrate. c Section through ascomata. d Peridium. e Ostiole. f Pseudoparaphyses. g, h Asci. i, j Ascospores. Scale bars: c = 100 μm, d, f–j = 20 μm, e = 50 μm.

Importance and distribution

Biochemical importance of the genus, chemical diversity or applications

Venkatasubbaiah et al. (1994) reported desoxyepoxydon, destruxin-B, epoxydon, m-hydroxybenzyl alcohol, a cyclic peptide, phyllostine, 2,4-dihydroxy-6-(2-hydroxyethyl)-3-methoxyacetophenone and 6-acetoxy-4,5-dihydroxy-2-hydroxymethylcyclohex-2-enone from Ophiosphaerella herpotricha. Li et al. (2018) reported Ophiosphaerellins A–I, Polyketide-Derived compounds from the endolichenic Ophiosphaerella korrae. Li et al. (2019) reported several secondary metabolites from the same fungus such as sesquiterpenoid ophiokorrin, ophiochromanone, ophiofuranones A and B, ophioisocoumarin, ophiolactone and unusual furopyran-3,4-dione-fused heterocyclic skeletons. There are 12 Ophiosphaerella epithets in Index Fungorum (2022), but three species have been transferred to Neoophiosphaerella and Linocarpon. Ophiosphaerella comprises nine species known on several grasses including Arrhenatherum elatius, Bromus inermis, Buchloe dactyloides, Cynodon dactylon, Dactylis glomerata, Puccinellia distans, Secale cereale, Triticum vulgare, Vetiveria zizanioides and Zoysia japonica. Ophiosphaerella is known from Asia (Russia), Europe (Austria, Poland, Spain, Sweden, Switzerland, Ukraine) and North America (Canada, The United States).

References

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Li Y, Zhu R, Zhang J, Xie F et al. 2018 – Ophiosphaerellins A-I, Polyketide-Derived Compounds from the Endolichenic Fungus Ophiosphaerella korrae. ACS Omega 3, 176–180. doi: 10.1021/acsomega.7b01668.

Li YL, Zhu RX, Li G, Wang NN, Liu CY, Zhao ZT, Lou HX. 2019 – Secondary metabolites from the endolichenic fungus Ophiosphaerella korrae. RSC advances 9, 4140–4149.

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