Fungi for pitch reduction and their preparation

Details Fungi for pitch reduction and their preparation Fungi for pitch reduction and their preparation

1995-06-06

1999-12-07

Marx, Irene

Chemistry: molecular biology and microbiology

Micro-organism, per se ; compositions thereof; proces of...

Fungi

43525411, 435267, 435277, 435278, 162 72, 424 935, C12N 114, C07G 1700

Patent

active

059981970

ABSTRACT:
Ascospores of wood-penetrating, pitch-grading fungi of the class of Ascomycotina and Deuteromycotina, eg. Ophiostromas, may be screened to provide fungi combining the properties of good growth on non-sterile wood substrates and minimized or even enhanced brightness effects for use in pitch reduction of wood substrates, eg. logs and wood chips. A new and improved method of isolating such ascospores involving effective suspension in an oil consumable by the fungus, eg. a vegetable oil, and then treatment of the oil with a dispersing agent is also disclosed.

REFERENCES:
patent: 3486969 (1969-12-01), Nilsson et al.
patent: 5176796 (1993-01-01), Irie et al.
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Stanbury et al, Principles of Fermentation Technology, 1984, pp. 26-30 and 232-233.
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Kubo et al., Genetic Analysis of Genes Involved in Melanin Biosynthesis of Cochliobolus miyabeanus, Experimental Mycology 13, 77-84 (1989).
Tanaka et al., Genetic Analysis and Characterization of Cochliobolus heterostrophus Colour Mutants, Mycol. Res. 95(1) :49-56 (1991).
Howard et al., Role of Melanin in Appressorium Function, Experimental Mycology 13, 403-418 (1989).
Bell et al., Use of Mutants (+)-Scytalone . . . in Melanin Biosynthesis by Verticillium dahliae, Canadian J. Microbiol. vol. 22, 1976.
Bell et al., Biosynthesis and Functions of Fungal Melanins, Ann. Rev. Phytopathol. 1986. 24:411-51.
Brasier, C.M., Mites and Reproduction in Ceratocystis Ulmi and Other Fungi, Trans. Br. mycol. Soc. 70 (1) 81-89 (1978).
"Acta Forestalia Fennica", vol. 158, 1977, Helsinki, pp. 5-50 (Abstract only).

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