Microcyclospora pomicola
Microcyclospora pomicola J. Frank, B. Oertel, Schroers & Crous, in Frank et al., Persoonia 24: 100 (2010).
Index Fungorum number: IF 516844; Facesoffungi number: FoF 09723, Fig. 1
Description: see Frank et al. (2010).
Material examined: see Frank et al. (2010).
Fig. 1 Microcyclospora pomicola (CPC 16175, holotype, re-drawn from Frank et al. 2010). a, b Conidiogenous loci. c, d Conidia. Scalebars: a–d = 10 µm.
Importance and distribution
Microcyclospora comprises five species known on three different host plants within Anacardiaceae, Fagaceae and Rosaceae. Microcyclospora rumicis has been transferred to another genus Sphaerulina. Microcyclospora has been reported mainly from Europe (Germany, Netherlands, Slovenia) and North America (Canada). Species of Microcyclospora are saprobic and play a role in nutrient recycling within the ecosystem. Some species are pathogenic and cause wilts, leaf spots, such as leaf spot blueberry diseases (Frank et al. 2010) and sooty blotches on various hosts (Surup et al. 2014).
Industrial relevance and applications
Microcyclospora are useful in agricultural industry as they produce obionin A which has cytotoxic effects and antifungal activities (Surup et al. 2015). Microcyclospora malicola has biocontrol property against the anthracnose fungus Colletotrichum fioriniae (Surup et al. 2015). Microcyclospora malicola also exhibit activity against filamentous fungus Mucor hiemalis and gram-positive bacterium Bacillus subtilis (Surup et al. 2015).
Biochemical importance of the genus, chemical diversity or applications
Microcyclospora produces various chemical compounds. Some of them are obionin A (Surup et al. 2015), trichothecolone acetate and the derivative (S)-7-hydroxytrichothecolone (Surup et al. 2014).
References
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