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Scopulariopsis brevicaulis
(Saccardo) Bainer (1907)
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Colonies on potato dextrose agar at 25°C grow rapidly, reaching 4.5 - 5.5 cm in 1 week. Colonies are initially white, becoming buff and powdery to granular at maturity. Reverse is honey-colored to brownish.
Hyphae are septate and hyaline. Conidiophores terminate in groups of 2 to 4 annellophores in a scopula (broomlike structure, similar to a penicillus in the genus Penicillium) [2202]. Annellated zones on the annellides measure approximate 2.5 — 3.5 µm wide. Annelloconidia are globose to ovoid, measure 5-9 x 5-7 µm, have a distinctly truncate base, and are finely to coarsely roughened at maturity. The teleomorph is Microascus brevicaulis. Ascomata are black, spherical, and ostiolate with short necks measuring 80-150 x 70-130 µm. Ascospores are kidney-shaped, 5-6 x 3.5-4.5 µm, smooth, and reddish-brown in mass [de Hoog, Guarro et al. 2000], [1584].
Scopulariopsis brevicaulis is an agent of onychomycosis [479], [531], [2248], and of opportunistic disease in immunocompromised patients [62], [66]. It has also been reported as the etiologic agent in a plantar infection [841], and in granulomatous skin disease [329]. Invasive manifestations include two cases of endocarditis associated with prosthetic valves [823], [1534], fungal keratitis [1372], [560], and posttraumatic fungal endophthalmitis [809].
| AMB |
CAS |
ITRA |
VORI |
FLU |
KETO |
TERB |
| 8 µg/ml=1 |
4 µg/ml=1 |
>8 µg/ml=1 |
4 µg/ml=1 |
>64 µg/ml=1 |
16 µg/ml=2 |
0.5 µg/ml=1 |
| >16 µg/ml=2 |
8 µg/ml=1 |
|
8 µg/ml=2 |
|
|
|
| Drug/N |
AMB/3 |
CAS/2 |
ITRA/1 |
VORI/3 |
FLU/1 |
KETO/1 |
TERB/1 |
| MIC Range |
8->16 |
4-8 |
>8 |
4->8 |
>16 |
2 |
0.5 |
* Fungus Testing Laboratory unpublished data (NCCLS M38-A)
PubMed
GenBank
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Chains of conidia
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References
62. Anaissie, E., G. P. Bodey, H. Kantarjian, J. Ro, S. E. Vartivarian, R. Hopfer, J. Hoy, and K. Rolston. 1989. New spectrum of fungal infections in patients with cancer. Rev Infect Dis. 11:369-378.
66. Anaissie, E. J., G. P. Bodey, and M. G. Rinaldi. 1989. Emerging fungal pathogens. Eur. J. Clin. Microbiol. Infect. Dis. 8:323-330.
329. Bruynzeel, I., and T. M. Starink. 1998. Granulomatous skin infection caused by Scopulariopsis brevicaulis. J Am Acad Dermatol. 39:365-7.
479. Cox, N. H., and B. Irving. 1993. Cutaneous 'ringworm' lesions of Scopulariopsis brevicaulis. Br J Dermatol. 129:726-8.
531. de Hoog, G. S., J. Guarro, J. Gene, and M. J. Figueras. 2000. Atlas of Clinical Fungi, 2nd ed, vol. 1. Centraalbureau voor Schimmelcultures, Utrecht, The Netherlands.
560. Del Prete, A., G. Sepe, M. Ferrante, C. Loffredo, M. Masciello, and A. Sebastiani. 1994. Fungal keratitis due to Scopulariopsis brevicaulis in an eye previously suffering from herpetic keratitis. Ophthalmologica. 208:333-5.
809. Gariano, R. F., and R. E. Kalina. 1997. Posttraumatic fungal endophthalmitis resulting from Scopulariopsis brevicaulis. Retina. 17:256-8.
823. Gentry, L. O., M. M. Nasser, and M. Kielhofner. 1995. Scopulariopsis endocarditis associated with Duran ring valvuloplasty. Tex Heart Inst J. 22:81-5.
841. Ginarte, M., M. Pereiro, Jr., V. Fernandez-Redondo, and J. Toribio. 1996. Plantar infection by Scopulariopsis brevicaulis. Dermatology. 193:149-51.
1372. Lotery, A. J., J. R. Kerr, and B. A. Page. 1994. Fungal keratitis caused by Scopulariopsis brevicaulis: successful treatment with topical amphotericin B and chloramphenicol without the need for surgical debridement. Br J Ophthalmol. 78:730.
1534. Migrino, R. Q., G. S. Hall, and D. L. Longworth. 1995. Deep tissue infections caused by Scopulariopsis brevicaulis: Report of a case of prosthetic valve endocarditis and review. Clin. Infect. Dis. 21:672-674.
1584. Morton, F. J., and G. Smith. 1963. The genera Scopulariopsis Bainer, Microascus Zukal, and Doratomyces Corda. Mycol. Pap. 86:1-96.
2202. Sutton, D. A., A. W. Fothergill, and M. G. Rinaldi (ed.). 1998. Guide to Clinically Significant Fungi, 1st ed. Williams & Wilkins, Baltimore.
2248. Tosti, A., B. M. Piraccini, C. Stinchi, and S. Lorenzi. 1996. Onychomycosis due to Scopulariopsis brevicaulis: clinical features and response to systemic antifungals. Br J Dermatol. 135:799-802.
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