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Title: Hannaella phyllophila sp. nov., a basidiomycetous yeast species associated with plants in Thailand and Taiwan.
Author: Surussawadee J, Jindamorakot S, Nakase T, Lee CF, Limtong S.
Journal: Int J Syst Evol Microbiol; 2015 Jul; 65(7):2135-2140. PubMed ID: 25855622.
Abstract:
Five strains representing one novel anamorphic yeast species were isolated from plant leaves collected in Thailand (strains DMKU-SP186(T), ST-111 and ST-201) and Taiwan (strains FN20L02 and SM13L16). On the basis of morphological, biochemical, physiological and chemotaxonomic characteristics and sequence analysis of the D1/D2 region of the large subunit (LSU) rRNA gene and the internal transcribed spacer (ITS) region, they were assigned to a single novel species of the genus Hannaella. The sequences of the D1/D2 regions of the LSU rRNA genes of four of the strains (DMKU-SP186(T), ST-111, FN20L02 and SM13L16) were identical, while differing from strain ST-201 by 2 substitutions and 2 gaps. The nucleotide sequence of the ITS regions of the five strains differed from each other by between 0 and 3 nucleotide substitutions. The novel species was most closely related to Hannaella luteola, but showed 1.0-1.3% nucleotide substitutions (between 6 substitutions out of 568-606 nt and 8 substitutions, and 2 gaps out of 597 nt) in the D1/D2 region of the LSU rRNA gene and 1.4-2.0% nucleotide substitutions (6-9 substitutions out of 435 nt) in the ITS region. Ballistospores were produced by three of the strains on cornmeal agar at 15 and 20 °C after 4 weeks, while H. luteola did not produce ballistospores. The name Hannaella phyllophila sp. nov. is proposed. The type strain is DMKU-SP186(T) ( = BCC 69500(T) = NBRC 110428(T) = CBS 13921(T)).

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