Medina, Patricia del Valle; Kuhnert, Eric; Hladki, Adriana Inés; Sir, Esteban Benjamín

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Short Communication • Rodriguésia 72 • 2021 • https://doi.org/10.1590/2175-7860202172030 copiar

Hypoxylon ochraceotuberosum and Hypoxylon rickii (Ascomycota, Hypoxylaceae) in Las Yungas of Salta province, Northwest of Argentina

Autoría SCIMAGO INSTITUTIONS RANKINGS

Resumen

Hypoxylon ochraceotuberosum y H. rickii se reportan por primera vez para la funga Argentina con base a especímenes coleccionados recientemente en el bosque montano del Noroeste. Hasta ahora, H. ocraceotubeosum solo se conocía de Martinica (French West Indies). En contraste, H. rickii ya estaba reportada para el Cono Sur, pero basado en especímenes coleccionados en la Mata Atlántica del Sureste de Brasil. Se aportan descripciones detalladas e ilustraciones fotográficas para cada especie.

Palabras clave:
Neotrópico; tipo nodulisporium; Sordariomycetes; tipo virgariella; Xylariales

Autoría

Patricia del Valle Medina

Fundación Miguel Lillo, Laboratorio Criptogámico, San Miguel de Tucumán 4000, Tucumán, Argentina.Laboratorio CriptogámicoArgentinaTucumán, ArgentinaFundación Miguel Lillo, Laboratorio Criptogámico, San Miguel de Tucumán 4000, Tucumán, Argentina.

http://orcid.org/0000-0003-2805-6287

Eric Kuhnert

Leibniz University Hannover, Institute for Organic Chemistry and Centre of Biomolecular Drug Research (BMWZ), Hannover, Germany.Leibniz University HannoverGermanyHannover, GermanyLeibniz University Hannover, Institute for Organic Chemistry and Centre of Biomolecular Drug Research (BMWZ), Hannover, Germany.

http://orcid.org/0000-0002-0443-9091

Adriana Inés Hladki

http://orcid.org/0000-0001-8139-2330

Esteban Benjamín Sir ⁶6 Author for correspondence: sirestebanbenjamin@gmail.com

Instituto de Bioprospección y Fisiología Vegetal-INBIOFIV (CONICET-UNT), San Miguel de Tucumán 4000, Tucumán, Argentina.Instituto de Bioprospección y Fisiología Vegetal-INBIOFIVArgentinaTucumán, ArgentinaInstituto de Bioprospección y Fisiología Vegetal-INBIOFIV (CONICET-UNT), San Miguel de Tucumán 4000, Tucumán, Argentina.

http://orcid.org/0000-0002-7247-7030

6 Author for correspondence: sirestebanbenjamin@gmail.com

Area Editor: Dr. Joel Campo de Paula

SCIMAGO INSTITUTIONS RANKINGS

Figuras

Figuras (5)

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Figure 1
Sites of collections

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Figure 2
a-p. Teleomorphic structures of Hypoxylon ochraceotuberosum – a,b. stromatal habit; c. stromatal surface showing ostioles with raised disc; d. stromata in section, showing the conspicuous internal tissue; e. perithecial layer, arrow show insect larva inside perithecia; f. detail of perithecia with insect larva; g. stromatal granules in water; h. KOH-extractable pigments; i. mature and immature asci; j. asci in Melzer’s reagent, revealing amyloid apical apparati (arrows); k. subhymenial crystals visualized under polarized light; l. ascospores in water; m. ascospores in KOH solution showing straight germ slit (arrows); n,o. ascospores in KOH solution (o view under polarized light), showing dehiscing perispore (arrows); p. ascospores under SEM. (a-p. Sir & Medina 1231). Scale bars: a = 20 mm; b,c = 5 mm; c,e,f = 0.5 mm; i-o = 10 μm; p = 5 μm.

Thumbnail

Figure 3
a-j. Culture and anamorph of Hypoxylon ochraceotuberosum – a. surface and reverse of colony after 4 weeks on OA; b. details of colony surface showing sporulation area; c. conidiogenous structure on colony surface (arrows); d-g. conidiogenous structures in water; h. details of a virgariella-like branching pattern (arrow); i. details of a nodulisporium-like branching pattern (arrow); j. conidia. (a-j. Sir & Medina 1231). Scale bars: c = 300 μm; d = 20 μm; e-j = 10 μm.

Thumbnail

Figure 4
a-n. Teleomorphic structures of Hypoxylon rickii – a. mature stroma on corticated wood; b. immature stroma on decorticated wood; c. stromatal surface; d. stromatal surface showing ostioles; e. section of stroma showing perithecia and orange-red granules (arrows); f. granules in water; g. KOH-extractable pigments; h. ascus tips in Melzer’s reagent (arrows); i. ascospores in water; j. ascospores in KOH solution, showing dehiscing perispore (arrows); k. ascospores in KOH solution, showing sigmoid germ slit (arrows); l. details of perispore in KOH solution; m. ascospores under SEM; n. immature and mature asci in water. (a-n. Sir & Hladki 846). Scale bars: a,b = 10 mm; c-e = 1 mm; h,k,l = 5 μm; i,j,n = 10 μm; m = 2 μm.

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Figure 5
a-f. Anamorphic structures of Hypoxylon rickii from natural substrate – a. immature stroma, showing conidiogenic areas (arrows); b-d. conidiophores with nodulisporium-like branching patterns, showing immature conidia (arrows); e. detail of conidiogenous cells and immature conidia; f. conidium. (a-f. Sir & Hladki 846). Scale bars: a = 5 mm; b-e = 10 μm; f = 5 μm.

Figure 1 Sites of collections

Figure 2 a-p. Teleomorphic structures of Hypoxylon ochraceotuberosum – a,b. stromatal habit; c. stromatal surface showing ostioles with raised disc; d. stromata in section, showing the conspicuous internal tissue; e. perithecial layer, arrow show insect larva inside perithecia; f. detail of perithecia with insect larva; g. stromatal granules in water; h. KOH-extractable pigments; i. mature and immature asci; j. asci in Melzer’s reagent, revealing amyloid apical apparati (arrows); k. subhymenial crystals visualized under polarized light; l. ascospores in water; m. ascospores in KOH solution showing straight germ slit (arrows); n,o. ascospores in KOH solution (o view under polarized light), showing dehiscing perispore (arrows); p. ascospores under SEM. (a-p. Sir & Medina 1231). Scale bars: a = 20 mm; b,c = 5 mm; c,e,f = 0.5 mm; i-o = 10 μm; p = 5 μm.

Figure 3 a-j. Culture and anamorph of Hypoxylon ochraceotuberosum – a. surface and reverse of colony after 4 weeks on OA; b. details of colony surface showing sporulation area; c. conidiogenous structure on colony surface (arrows); d-g. conidiogenous structures in water; h. details of a virgariella-like branching pattern (arrow); i. details of a nodulisporium-like branching pattern (arrow); j. conidia. (a-j. Sir & Medina 1231). Scale bars: c = 300 μm; d = 20 μm; e-j = 10 μm.

Figure 4 a-n. Teleomorphic structures of Hypoxylon rickii – a. mature stroma on corticated wood; b. immature stroma on decorticated wood; c. stromatal surface; d. stromatal surface showing ostioles; e. section of stroma showing perithecia and orange-red granules (arrows); f. granules in water; g. KOH-extractable pigments; h. ascus tips in Melzer’s reagent (arrows); i. ascospores in water; j. ascospores in KOH solution, showing dehiscing perispore (arrows); k. ascospores in KOH solution, showing sigmoid germ slit (arrows); l. details of perispore in KOH solution; m. ascospores under SEM; n. immature and mature asci in water. (a-n. Sir & Hladki 846). Scale bars: a,b = 10 mm; c-e = 1 mm; h,k,l = 5 μm; i,j,n = 10 μm; m = 2 μm.

Figure 5 a-f. Anamorphic structures of Hypoxylon rickii from natural substrate – a. immature stroma, showing conidiogenic areas (arrows); b-d. conidiophores with nodulisporium-like branching patterns, showing immature conidia (arrows); e. detail of conidiogenous cells and immature conidia; f. conidium. (a-f. Sir & Hladki 846). Scale bars: a = 5 mm; b-e = 10 μm; f = 5 μm.

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[1] 6 Author for correspondence: sirestebanbenjamin@gmail.com