Observations on the Production of Ethanol by Fungi and Yeasts

Perlman, D.

doi:10.1002/j.1537-2197.1950.tb12188.x

Cited by 14 publications

(1 citation statement)

References 7 publications

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“…nzellen is that A. mellea may encounter a continuous supply of s~nall ainounts of ethanol under natural conditions. A number of soil-inhabiting microorganisms and wood-rotting fungi have been reported to produce ethanol as a result of their inetabolisin (6,7,9,12). Stevenson and I<atznelson (10) studied the oxidation of ethanol and acetate by the microorganisms in intact soil.…”

Section: Discussionmentioning

confidence: 99%

Ethanol Produced by Aureobasidium Pullulans and Its Effect on the Growth of Armillaria Mellea

Pentland¹

1967

Can. J. Microbiol.

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The cell-free hltrate of a liquid culture of Al~reobasidil~77z pz~llz~lans (de Bary) ilrnaud contained a substance which stimulated the growth of Artnillaria lnellea (Fr.) Quel. 'l'his stimulatory effect was apparent when either rhizornorph tips or undifferentiated mycelium on water agar discs were used as inoculum, indicating an eifect 011 both rhizomorph initiation and elongation. The cell-free hltrate was shown by gas chro~natography to contain ethanol. Ethanol had an effect on the growth of 11. ?nellea similar to that of thc cell-free liltrate.Growth of A. n7ellen \vas stimulated by the presence of ethanol in the medium and the degree of stimulation was shown to be dependent on the total amount of ethanol available a t a concentration of 500 p.p.m. Ethanol added a t regular intervals as lower concentrations in the medium stimulated the growth of A.??zellen as much as orie higher initial concentration. A concentration of ethanol as low as 50 p.p.m. added daily for 14 days was more effective than an initial concentration of 700 p.p.m. in stimulating rhizomorph development of A. 7nellea.

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Section: Discussionmentioning

confidence: 99%