Colletotrichum pandanicola
Colletotrichum pandanicola Tibpromma & K.D. Hyde, in Tibpromma, Hyde, Bhat, Mortimer, Xu, Promputtha, Doilom, Yang, Tang & Karunarathna, MycoKeys 33: 47 (2018)
MycoBank number: MB823841 Facesoffungi number: FoF03906
Sexual morph: Undetermined. Asexual morph: Conidiophores hyaline, smooth-walled, cylindrical to slightly inflated. Conidia 9–18 µm high, 4–8 µm diam. (x̄ = 13.39 × 5.35 µm, n = 20), hyaline, cylindrical with rounded ends tapering slightly towards the base, smooth, septate, guttulate.
Culture characteristics: Colonies on PDA (PE09), superficial, white in the beginning and later becoming dark-grey, circular, entire edge, smooth, flossy, velvety and raised on surface media; reverse dark. Sporulating in culture after 1 month.
Habitat: Known to inhabit on healthy leaves of Pandanus sp.
Known distribution: Thailand.
Material examined: Thailand, Chumphon, Pathio District, on healthy leaves of Pandanus sp. (Pandanaceae), 1 December 2016, S. Tibpromma PE09 (MFLU 18-0003, holotype); GZAAS 16-0145, paratype, ex-type living cultures, MFLUCC 17-0571.
GenBank Accession No: ITS=MG646967, β-tubulin=MG646926, GAPDH= MG646931, CHS-1=MG646935, ACT=MG646938.
Notes: Colletotrichum pandanicola is introduced here as a new species in the gloeosporioides species complex based on morphological and phylogenetic data. The phylogenetic analysis shows that this new taxon is well-separated from other known Colletotrichum species. The authors also compared nucleotides of β-tubulin, GAPDH, CHS-1 and ACT and found that there are differences between Colletotrichum tropicale and this new species (β-tubulin 7 bp, GAPDH 11 bp, CHS-1 7 bp and ACT 3 bp).
Figure X. Colletotrichum pandanicola (MFLU 18-0003, holotype). a Colony on PDA media b Conidia and conidiogenous cells c–g Conidia on PDA culture. Scale bars: 5 μm (b), 2 μm (c–g).
Reference:
Tibpromma S, Hyde KD, Bhat JD, Mortimer PE, Xu JC, Promputtha I, Doilom M, Yang JB, Tang AMC, Karunarathna SC (2018) Identification of endophytic fungi from leaves of Pandanaceae based on their morphotypes and DNA sequence data from southern Thailand. MycoKeys. 33:25-67.
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