Botryosphaeriales » Botryosphaeriaceae » Sardiniella

Sardiniella urbana

Sardiniella urbana Linald., A. Alves & A.J.L. Phillips, Mycosphere 7(7): 900 (2016).

 Index Fungorum number: IF 817512; Facesoffungi number: FoF 02406, Fig. 1

Description: see Linaldeddu et al. (2016).

Material considered: see Linaldeddu et al. (2016).

Fig. 1 Sardiniella urbana (LISE 96308, holotype). a Colony morphology on MEA. b Conidiogenous cells developing on branched conidiophores. c Young conidiogenous cells. d, e Percurrently proliferating conidiogenous cells. f−i Conidia. j Microconidia. Scale bars: b, d, e = 5 µm, c, f−j = 10 µm.

Importance and distribution

Sardiniella produces secondary metabolites namely R-(−)-mellein and (3R,4R)-and (3R,4S)-4-hydroxy melleins. R-(−)-mellein is phytotoxic, antifungal and zootoxic (Cimmino et al. 2018). Sardiniella comprises two species known on Celtis australis (Cannabaceae) in Europe (Italy).

 

References

Cimmino A, Maddau L, Masi M, Linaldeddu B, Evidente A. 2018 – Secondary metabolites produced by Sardiniella urbana, a new emerging pathogen on European hackberry. Natural Product Research 33, 1–8.

Linaldeddu BT, Alves A, Phillips AJL. 2016 – Sardiniella urbana gen. et sp. nov., a new member of the Botryosphaeriaceae isolated from declining Celtis australis trees in Sardinian streetscapes. Mycosphere 7, 893–905.

 

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