Westerdykella capitulum J. de Gruyter, M. M. Aveskamp & J. Z. Groenewald 2012
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2025
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| author | Cheng, Kai-Wen Yang, Jiue-in Srimongkol, Piroonporn Stadler, Marc Karnchanatat, Aphichart Ariyawansa, Hiran A. |
| author_facet | Cheng, Kai-Wen Yang, Jiue-in Srimongkol, Piroonporn Stadler, Marc Karnchanatat, Aphichart Ariyawansa, Hiran A. |
| contents | <p><i>Westerdykella capitulum</i> J. de Gruyter, M. M. Aveskamp & J. Z. Groenewald (2012)</p><p>Fig. 14</p><p><b>Description.</b></p><p><i>Sexual morph</i> undetermined. <i>Asexual morph Conidiomata</i> 95–198 µm, globose, subglobose to irregular due to fusion of two or more, glabrous, dark brown, ostiolate, mostly superficial, some submerged in PDA. <i>Conidia</i> borne terminally in camel brown gelatinous mass, ellipsoidal, some globose, smooth, hyaline, 1 to 2 guttules, 3.0–4.1 µm × 2.4–3.4 µm (x ̄ = 3.5 × 2.8 µm, L / W ratio = 1.3, n = 50.</p><p><b>Culture characteristics.</b></p><p>Colony exhibit rapid growth, reaching 90 mm daim with a uniform surface and smooth margins, forming a concentric pattern. The central region appears light grayish-brown due to dense conidiomata, while the edges exhibit a translucent beige hue.</p><p><b>Material examined.</b></p><p>TAIWAN • Wanrung Township, Hualien County, 23°42'40.3"N, 121°24'48.2"E, serpentine soil in rice field, 2 nd November 2022, K. W. Cheng, living culture NTUPPMCC 22-253 and NTUPPMCC 22-254.</p><p><b>Notes.</b></p><p><i>Westerdykella capitulum</i> has been reported from various environments, including saline soil in India (Pawar et al. 1967), root of motherwort (<i>Leonurus cardiaca</i>) in Poland (Zimowska 2007), and mudflat in Korea (Genomic data) (Heo et al. 2019). In our study, two strains (NTUPPMCC 22-253 and 22-254) were recovered and clustered in a strongly supported clade (99 % / 1.00) with reference strains CBS 354.65 and CBS 355.65, confirming their identity as <i>W. capitulum</i> (Fig. 13). Morphological characters of the representative strain of <i>W. capitulum</i> NTUPPMCC 22-253 used in this study are similar to <i>W. capitulum</i> reported by de Gruyter et al. (2012). Similar to previous studies, only the asexual stage was observed for strains identified as <i>W. capitulum</i> in the present study (Fig. 14; Pawar et al. 1967; de Gruyter and Noordeloos 1992; Zimowska 2007). This is the first report of <i>W. capitulum</i> in Taiwan.</p> |
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| spellingShingle | Westerdykella capitulum J. de Gruyter, M. M. Aveskamp & J. Z. Groenewald 2012 Cheng, Kai-Wen Yang, Jiue-in Srimongkol, Piroonporn Stadler, Marc Karnchanatat, Aphichart Ariyawansa, Hiran A. Biodiversity Taxonomy Fungi Ascomycota Dothideomycetes Pleosporales Sporormiaceae Westerdykella Westerdykella capitulum <p><i>Westerdykella capitulum</i> J. de Gruyter, M. M. Aveskamp & J. Z. Groenewald (2012)</p><p>Fig. 14</p><p><b>Description.</b></p><p><i>Sexual morph</i> undetermined. <i>Asexual morph Conidiomata</i> 95–198 µm, globose, subglobose to irregular due to fusion of two or more, glabrous, dark brown, ostiolate, mostly superficial, some submerged in PDA. <i>Conidia</i> borne terminally in camel brown gelatinous mass, ellipsoidal, some globose, smooth, hyaline, 1 to 2 guttules, 3.0–4.1 µm × 2.4–3.4 µm (x ̄ = 3.5 × 2.8 µm, L / W ratio = 1.3, n = 50.</p><p><b>Culture characteristics.</b></p><p>Colony exhibit rapid growth, reaching 90 mm daim with a uniform surface and smooth margins, forming a concentric pattern. The central region appears light grayish-brown due to dense conidiomata, while the edges exhibit a translucent beige hue.</p><p><b>Material examined.</b></p><p>TAIWAN • Wanrung Township, Hualien County, 23°42'40.3"N, 121°24'48.2"E, serpentine soil in rice field, 2 nd November 2022, K. W. Cheng, living culture NTUPPMCC 22-253 and NTUPPMCC 22-254.</p><p><b>Notes.</b></p><p><i>Westerdykella capitulum</i> has been reported from various environments, including saline soil in India (Pawar et al. 1967), root of motherwort (<i>Leonurus cardiaca</i>) in Poland (Zimowska 2007), and mudflat in Korea (Genomic data) (Heo et al. 2019). In our study, two strains (NTUPPMCC 22-253 and 22-254) were recovered and clustered in a strongly supported clade (99 % / 1.00) with reference strains CBS 354.65 and CBS 355.65, confirming their identity as <i>W. capitulum</i> (Fig. 13). Morphological characters of the representative strain of <i>W. capitulum</i> NTUPPMCC 22-253 used in this study are similar to <i>W. capitulum</i> reported by de Gruyter et al. (2012). Similar to previous studies, only the asexual stage was observed for strains identified as <i>W. capitulum</i> in the present study (Fig. 14; Pawar et al. 1967; de Gruyter and Noordeloos 1992; Zimowska 2007). This is the first report of <i>W. capitulum</i> in Taiwan.</p> |
| title | Westerdykella capitulum J. de Gruyter, M. M. Aveskamp & J. Z. Groenewald 2012 |
| topic | Biodiversity Taxonomy Fungi Ascomycota Dothideomycetes Pleosporales Sporormiaceae Westerdykella Westerdykella capitulum |
| url | https://doi.org/10.5281/zenodo.15785872 |