Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Hydrolase
Patent
1997-08-13
1998-12-29
Wax, Robert A.
Chemistry: molecular biology and microbiology
Enzyme , proenzyme; compositions thereof; process for...
Hydrolase
4352523, 43525411, 4352546, 4352567, 4352568, C12N 942, C12N 120, C12N 114, C12N 116
Patent
active
058540474
ABSTRACT:
The present invention relates to a DNA sequence, which codes for endomannanase produced by fungi of the genus Trichoderma and transferred into a yeast or fungus strain induces that strain to produce endomannanase, as well as to a method for isolating genes coding for endomannanases. The invention also relates to vectors, yeast strains and fungal strains containing the DNA sequence. Furthermore, the invention provides an enzyme product containing at least one endomannanase, which contains at least one of the following endomannanases produced by fungi of the Trichoderma genus: an enzyme having mannanase activity and an isoelectric point (pI) of about 3.8, an enzyme having mannanase activity and a pI of about 4.1, an enzyme having mannanase activity and a pI of about 4.5, an enzyme having mannanase activity and a pI of about 5.4 and an enzyme having mannanase activity and a pI of about 6.5, the isoelectric points being determined by isoelectric focusing. The endomannanase enzyme and enzyme products according to the invention can be used for hydrolyzation of mannopolymers, in particular in connection with bleaching of lignocellulosic pulps.
REFERENCES:
patent: 4725544 (1988-02-01), Tan et al.
patent: 5661021 (1997-08-01), Buchert et al.
Bisaria et al. (1981) Enzyme Microb. Technol. 3:90-104.
Torrie et al. (1991) Biodeterior. Biodegr. 8:542-544.
Torrie et al. (1990) Appl. Microb. Technol. 34: 303-307.
Mondou et al. (1986) Gene 49: 323-329.
Vlasenko et al. (1990) Appl. Biochem. Microbiol. 25(5): 511-519.
Nevalainen et al. (1978) Appl. Environ. Microbiol. 35(1): 11-16.
Zurbriggen et al. (1990) J. Biotechnol. 13:267-278.
Penttila et al. (1987) Yeast 3: 175-185.
Protein purification methods, a practical approach, E.L.V. Harris and S. Angal, eds., IRL Press at Oxford University Press, NY, NY 1989.
Torrie et al., Dialog Information Services, File 357, Biotechnology Abstracts, Dialog Accession No. 146065, DBA Accession No. 93-04177 (1991).
Torrie et al., Dialog Info. Services, File 5, Biosis, Dialog Accession No. 8150876, Biosis No. 91071876 (1990).
Clark et al., Abstract 4th Int. Conf. on Biotechnology in the Pulp and Paper Industry, Raleigh 1989, pp. 39-40.
Clark et al., Proc. 45th APPITA Annual General Conference, Melbourne, vol. I, pp. 193-200 (1991).
Kantelinen et al., (1988) International Pulp Bleaching Conference, Tappi Proceedings, 1-9.
Poutanen et al., Journal of Biotechnology, vol. 6, pp. 49-60 (1987).
Reese et al., Canadian Journal of Microbiology, vol. 11, pp. 167-183 (1965).
Simonson, Svensk Papperstidning 74, pp. 691-700 (1971).
Viikari et al., Enzymes in Biomass Conversion, ACS Symp. Ser. 460, American Chemical Society, Washington, D.C., pp. 12-22 (1991).
Clark et al., Biotechnology in Pulp and Paper Manufacture, Chapter 14, pp. 153-167 (1990).
Zurbriggen et al. (1991) J. Biotechnol. 17: 133-146.
Simmons, E. (1977) Classification of Some Cellulase-Producing Trichoderma Species. Abstracts of the Second International Mycological Congress, Tampa FL, p. 618.
Buchert Johanna
Penttila Merja
Ranua Marjatta
Saloheimo Anu
Siika-aho Matti
Hobbs Lisa J.
Rohm Enzyme Finland Oy
Wax Robert A.
LandOfFree
Mannanase enzymes, genes coding for them and a method for isolat does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Mannanase enzymes, genes coding for them and a method for isolat, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mannanase enzymes, genes coding for them and a method for isolat will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1423694