Budding in the Dimorphic Fungus<i>Cladosporium Werneckii</i>

Gustafson, Ralph A.; Hardcastle, Ronald V.; Szaniszlo, Paul J.

doi:10.1080/00275514.1975.12019827

Cited by 9 publications

(5 citation statements)

References 24 publications

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“…Simple pores, usually associated with Woronin bodies, are found in ascomycetous yeasts, but simple pores with a tapered edge are found in basidiomycetous teliospore-forming yeasts [23]. Gustafson et al [6] [24] closely correlates with the findings in H. werneckii. This fungus also seems to have an ascomycetous nature, which is further supported by investigations on the coenzyme Q system [25], the negative diazonium blue reaction [2] and the non-lamellated architecture of the wall, as defined by Kreger-van Rij & Veenhuis [26].…”

Section: Methods 2 Gave Adequate General Results (Seementioning

confidence: 80%

“…Septum formation appeared unusual to Gustafson et al [6], as the septum seemed to be not a discrete entity, as in other yeasts and yeastlike forms, but an integral part of the fungal wall. The results of this study show that it nevertheless emerges from the inner wall layer, a mode often found in yeasts [ 191.…”

Section: Methods 2 Gave Adequate General Results (Seementioning

confidence: 82%

“…The formation of collars on the generative apex of mother cells during successive cell cycles was first mentioned by Gustafson et al [6]. The number of collars present on the apex indicates the budding history of the mother cell.…”

Section: Methods 2 Gave Adequate General Results (Seementioning

confidence: 95%

“…A hydrophobic surface is characteristically present on the hyphal elements of H. werneckii; this seems to influence surface adhesion and resistance to adverse environmental conditions [2]. Gustafson et al [6] described the presence of apical vesicles in the developing apex of the fungal cells, resembling the vacuoles in Fig. 8.…”

Section: Methods 2 Gave Adequate General Results (Seementioning

confidence: 99%

“…This term is used now for the fungus in its yeast state [2, 91. Hortaea werneckii is considered to be the cause of tinea nigra [2], a superficial skin disease occurring in tropical countries and mainly affecting the palms [5, 101. There is thought to be some resemblance [4] not only pathophysiologically but also structurally between this micro-organism and Malassezia f u f u r , the cause of pityriasis versicolour. As ultrastructural information on Hortaea werneckii is limited [6], this study was aimed at further elucidation of the fine structure of this fungus.…”

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confidence: 99%

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The fine structure of Hortaea werneckii

Mittag

1993

Mycoses

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Summary. Hortaea werneckii (strain CBS 107.67) was examined by light and transmission electron microscopy (TEM). Special attention was paid to the wall architecture, the septum with a simple pore apparatus, the annellidic type of collar and the nuclei. Two‐celled organisms showed signs of distoseptation; nuclear events appeared to be rather synchronous in both cells. The fine structural results provided evidence of endogenous conidia development. Zusammenfassung. Hortaea werneckii (Stamm CBS 107.67) wurde licht‐ und elektronenmikro‐skopisch untersucht. Besondere Aufmerksamkeit wurde dem Wandaufbau, dem Septum mit einfa‐chem Porenapparat, der Kragenstruktur vom annellidischen Typus und dem Zellkern gewidmet. Zweizellige Organismen zeigen einen recht sym‐metrischen Aufbau und lassen ein, als “Distoseptation” bezeichnetes Trennungsmuster erkennen. Die Kerne in den beiden Zellen durchlaufen rela‐tiv synchron die Phasen des Zellzyklus. Die fein‐strukturellen Befunde unterstützen die Annahme, daß endogene Konidien bei Hortaea werneckii vorkommen.

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Section: Methods 2 Gave Adequate General Results (Seementioning

confidence: 80%

Section: Methods 2 Gave Adequate General Results (Seementioning

confidence: 82%

Section: Methods 2 Gave Adequate General Results (Seementioning

confidence: 95%

Section: Methods 2 Gave Adequate General Results (Seementioning

confidence: 99%

mentioning

confidence: 99%

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The fine structure of Hortaea werneckii

Mittag

1993

Mycoses

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Medical significance of the so-called black yeasts

1987

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Infections caused by the black yeasts (leveduras pretas) are reviewed with respect to their clinical manifestations, classification under the umbrella term, phaeohyphomycosis, and differentiation from chromoblastomycosis. Data on the prevalence of black yeasts submitted to a national reference diagnostic center are provided. Cases of phaeohyphomycosis caused by Aureobasidium pullulans, Exophiala jeanselmei, E. moniliae, E. spinifera, Phaeoannelomyces werneckii, Phaeosclera dematioides, Sarcinomyces phaeomuriformis, and Wangiella dermatitidis are described.

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A new type of growth exhibited by Trimmatostroma abietis

Yoshida

Takeo

Hoog

et al. 1996

Antonie van Leeuwenhoek

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Trimmatostroma abietis initially grew as hyphae when grown in various media containing yeast extract or bactopeptone. It grew as segmented elements (lumbricoid elements) characterized by bidirectional growth, when grown in Czapek-Dox broth or yeast nitrogen base supplemented with 1% glucose. A lumbricoid element usually was 10-70 microns in length, with transverse septation only and contained 3 to 15 cells. Growth and propagation, as revealed by time-lapse photomicrography occurred as follows. Elements usually grew by apical elongation without widening; after simple apical elongation adjacent parts of two central cells eventually started to grow, resulting in the separation of the element into two.

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Budding in the Dimorphic FungusCladosporium Werneckii

Cited by 9 publications

References 24 publications

The fine structure of Hortaea werneckii

The fine structure of Hortaea werneckii

Medical significance of the so-called black yeasts

A new type of growth exhibited by Trimmatostroma abietis

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