Demonstration of heterothallism in ctenomyces serratus eidam 1880

Varsavsky, Edith; Reca, Maria E.

doi:10.1007/bf02075553

Cited by 6 publications

(1 citation statement)

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“…The ascomata of C. serratus, which can be observed on hair and soil plates, oatmeal salts agar (Medium E), and diluted Pablum cereal agar with added salts, are clearly different from that of the rest of the dermatophytes with distinct ctenoid appendages that resemble the teeth of a comb with tiny projections [46,47]. The sexual cycle observed is heterothallic [48]. In a study analyzing the mating behavior of C. serratus, of the nineteen isolates analyzed, seven were found to be (−) and eleven were of (+) mating type, while one isolate was sterile with the isolates tested [47].…”

Section: The Genera Guarromyces Ctenomyces and Arthodermamentioning

confidence: 98%

She Loves Me, She Loves Me Not: On the Dualistic Asexual/Sexual Nature of Dermatophyte Fungi

Metin

Heitman

2019

Mycopathologia

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Dermatophytes are ascomycetous fungi whose sexuality is greatly influenced by their ecology. Sexual reproduction is ubiquitous among soil-related geophiles and some animal-associated zoophiles. In contrast, anthropophiles are generally present as a single mating type in the population and appear to reproduce asexually. In this article, the current knowledge on the sexuality of dermatophytes including reproduction modes, mating conditions, mating type distributions and the mating type (MAT) locus is presented in the context of revised taxonomy and discussed from an evolutionary perspective.

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Section: The Genera Guarromyces Ctenomyces and Arthodermamentioning

confidence: 98%

She Loves Me, She Loves Me Not: On the Dualistic Asexual/Sexual Nature of Dermatophyte Fungi

Metin

Heitman

2019

Mycopathologia

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Mating behaviour of Ctenomyces serratus

Sekhon

Padhye

1976

Mycopathologia

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Nineteen isolates of Ctenomyces serratus including three pairs of tester strains were crossed in all possible combinations on diluted Pablum cereal agar with added salts, oatmeal salts agar-Medium E, and soil and hair medium. Out of 190 crosses, 18 were fertile and the remaining 172 were sterile. Of the 19 isolates, seven were '-' mating type, 11 were '+' mating type, and one (UAMH 1959) was non-fertile with the other isolates. The high degree of non-fertile crosses among the 19 isolates shows that the use of mating reactions for the identification of conidial isolates of C. serratus may not be a practical tool, unless a large number of isolates belonging to both the mating types are employed. The production of exudate droplets in the fertile crosses seemed to be correlated with the degree of mating response. Ascocarp morphology corresponded closely to that of a cleistothecium, because of the completely closed nature. Ascospores were quite alike in their size, but they differed in shape, depending on their orientation.

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The use of bait in isolating coccidioides immitis from soil: A preliminary study

Orr¹

1968

Mycopathologia et Mycologia Applicata

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Demonstration of heterothallism in ctenomyces serratus eidam 1880

Cited by 6 publications

References 4 publications

She Loves Me, She Loves Me Not: On the Dualistic Asexual/Sexual Nature of Dermatophyte Fungi

She Loves Me, She Loves Me Not: On the Dualistic Asexual/Sexual Nature of Dermatophyte Fungi

Mating behaviour of Ctenomyces serratus

The use of bait in isolating coccidioides immitis from soil: A preliminary study

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