Claims
- 1. An isolated mannanase which is
(a) a polypeptide encodable by the mannanase encoding part of the DNA sequence cloned into the plasmid present in Escherichia coli DSM 12197, or (b) a polypeptide comprising a sequence of amino acids 32-330 of SEQ ID NO: 2, or (c) a polypeptide encoded by the DNA sequence of nucleotides 94-990 or positions 94-1470 of SEQ ID NO: 1, or (d) an analogue of the polypeptide defined in (a) or (b) which is at least 65% homologous with said polypeptide, or a fragment of (a), (b) or (c).
- 2. The mannanase of claim 1 which is derivable from a strain of Bacillus sp.
- 3. The mannanase of claim 2 which has
(a) a relative mannanase activity of at least 60% in the pH range 7.5-10, measured at 40° C.; (b) a molecular weight of 34±10 kDa, as determined by SDS-PAGE; and/or (c) an N-terminal sequence ANSGFYVSGTTLYDANG (amino acids 32-48 of SEQ ID NO: 2).
- 4. An isolated polynucleotide molecule comprising a DNA sequence encoding an enzyme exhibiting mannanase activity, which DNA sequence comprises:
(a) the mannanase encoding part of the DNA sequence cloned into the plasmid present in Escherichia coli DSM 12197; (b) the DNA sequence of nucleotides 94-1470 of SEQ ID NO: 1, preferably nucleotides 94-990, or its complementary strand; (c) an analogue of the DNA sequence defined in (a) or (b) which is at least 65% homologous with said DNA sequence; (d) a DNA sequence which hybridizes with a double-stranded DNA probe comprising the sequence of nucleotides 94-990 of SEQ ID NO: 1 at low stringency; (e) a DNA sequence which, because of the degeneracy of the genetic code, does not hybridize with the sequences of (b) or (d), but which codes for a polypeptide having exactly the same amino acid sequence as the polypeptide encoded by any of these DNA sequences; or (f) a DNA sequence which is a fragment of the DNA sequences specified in (a), (b), (c), (d), or (e).
- 5. The polynucleotide molecule of claim 4, in which the DNA sequence encoding an enzyme exhibiting mannanase activity is obtained from a microorganism.
- 6. An isolated polynucleotide molecule encoding a polypeptide having mannanase activity which polynucleotide molecule hybridizes to a denatured double-stranded DNA probe under medium stringency conditions, wherein the probe is selected from the group consisting of DNA probes comprising the sequence of nucleotides 94-990 of SEQ ID NO: 1, the sequence of nucleotides 94-1470 of SEQ ID NO: 1 and DNA probes comprising a subsequence of nucleotides 94-990 of SEQ ID NO: 1 having a length of at least about 100 base pairs.
- 7. An expression vector comprising the following operably linked elements: a transcription promoter; a DNA segment selected from the group consisting of (a) polynucleotide molecules encoding a polypeptide having mannanase activity comprising a sequence of nucleotides 94-990 of SEQ ID NO: 1, (b) polynucleotide molecules encoding a polypeptide having mannanase activity that is at least 65% identical to the sequence of amino acids 32-330 of SEQ ID NO: 2, and (c) degenerate nucleotide sequences of (a) or (b); and a transcription terminator.
- 8. A cultured cell into which has been introduced an expression vector of claim 7, wherein said cell expresses the polypeptide encoded by the DNA segment.
- 9. An isolated polypeptide having mannanase activity selected from the group consisting of:
(a) a polypeptide comprising a sequence of amino acids 32-330 of SEQ ID NO: 2; and (b) a polypeptide that has an amino acid sequence that is at least 65% identical to amino acids 32-330 of SEQ ID NO: 2.
- 10. The polypeptide of claim 9 which is produced by Bacillus sp. I633.
- 11. An enzyme preparation comprising a purified polypeptide of claim 9.
- 12. A method of producing a polypeptide having mannanase activity comprising culturing a cell into which has been introduced an expression vector of claim 7, whereby said cell expresses a polypeptide encoded by the DNA segment; and recovering the polypeptide.
- 13. The preparation of claim 11 which further comprises one or more enzymes selected from the group consisting of proteases, cellulases (endoglucanases), beta-glucanases, hemicellulases, lipases, peroxidases, laccases, alpha-amylases, glucoamylases, cutinases, pectinases, reductases, oxidases, phenoloxidases, ligninases, pullulanases, pectate lyases, xyloglucanases, xylanases, pectin acetyl esterases, polygalacturonases, rhamnogalacturonases, pectin lyases, other mannanases, pectin methylesterases, cellobiohydrolases, transglutaminases; and mixtures thereof.
- 14. An isolated enzyme having mannanase activity, in which the enzyme is (i) free from homologous impurities, and (ii) produced by the method of claim 12.
- 15. A method for improving the properties of cellulosic or synthetic fibers, yarn, woven or non-woven fabric, comprising treating the fibers, yarn or fabric with an effective amount of the preparation of claim 11 or an effective amount of the enzyme of claim 1.
- 16. The method of claim 15, wherein the enzyme preparation or the enzyme is used in a desizing process step.
- 17. A method for degradation or modification of plant material, comprising treating the plant material with an effective amount of the preparation of claim 11 or an effective amount of the enzyme of claim 1.
- 18. The method of claim 17, wherein the plant material is recycled waste paper; mechanical, chemical, semichemical, kraft or other paper-making pulps; fibers subjected to a wetting process; or guar gum or locust bean gum containing material.
- 19. A method for processing liquid coffee extract, comprising treating the coffee extract with an effective amount of the preparation of claim 11 or an effective amount of the enzyme of claim 1.
- 20. A cleaning composition comprising the enzyme preparation of claim 11 or the enzyme of claim 1.
- 21. The cleaning composition of claim 20, which further comprises an enzyme selected from cellulases, proteases, lipases, amylases, pectin degrading enzymes and xyloglucanases; and a conventional detergent ingredient.
- 22. The cleaning composition of claim 20, wherein the enzyme or enzyme preparation is present at a level of from 0.0001% to 2% pure enzyme by weight of total composition.
- 23. The cleaning composition of claim 21, wherein the enzyme is present at a level of from 0.0001% to 2% pure enzyme by weight of total composition.
- 24. The cleaning composition of claim 21, wherein the enzyme is an amylase.
- 25. The cleaning composition of claim 24, which further comprises yet another enzyme selected from cellulase, protease, lipase, pectin degrading enzyme and xyloglucanase.
- 26. The cleaning composition of claim 21, which comprises a surfactant selected from anionic, nonionic, cationic surfactant, and/or mixtures thereof.
- 27. The cleaning composition of claim 21, which comprises a bleaching agent.
- 28. The cleaning composition of claim 21, which comprises a builder.
- 29. A fabric softening composition of claim 21, which comprises a cationic surfactant comprising two long chain lengths.
- 30. A process for machine treatment of fabrics, which comprises treating fabric during a washing cycle of a machine washing process with a washing solution containing the enzyme preparation of claim 11 or the enzyme of claim 1.
- 31. An isolated mannanase which is
(a1) a polypeptide encoded by the mannanase encoding part of the DNA sequence cloned into the plasmid present in Escherichia coli DSM 12180, or (b1) a polypeptide comprising a sequence of amino acids 32-344 of SEQ ID NO: 6, or (c1) an analogue of the polypeptide defined in (a) or (b) which is at least 85% homologous with said polypeptide, or a fragment of (a1), (b1) or (c1); (a2) a polypeptide encoded by the mannanase encoding part of the DNA sequence cloned into the plasmid present in Escherichia coli DSM 12433, or (b2) a polypeptide comprising a sequence of amino acids 32-362 of SEQ ID NO: 10, or (c2) an analogue of the polypeptide defined in (a) or (b) which is at least 85% homologous with said polypeptide, or a fragment of (a2), (b2) or (c2); (a3) a polypeptide encoded by the mannanase encoding part of the DNA sequence cloned into the plasmid present in Escherichia coli DSM 12441, or (b3) a polypeptide comprising a sequence of amino acids 33-331 of SEQ ID NO: 12, or (c3) an analogue of the polypeptide defined in (a) or (b) which is at least 85% homologous with said polypeptide, or a fragment of (a3), (b3) or (c3); (a4) a polypeptide encoded by the mannanase encoding part of the DNA sequence cloned into the plasmid present in Escherichia coli DSM 9984, or (b4) a polypeptide comprising a sequence of amino acids 166-488 of SEQ ID NO: 14, or (c4) an analogue of the polypeptide defined in (a) or (b) which is at least 85% homologous with said polypeptide, or a fragment of (a4), (b4) or (c4); (a5) a polypeptide encoded by the mannanase encoding part of the DNA sequence cloned into the plasmid present in Escherichia coli DSM 12432, or (b5) a polypeptide comprising a sequence of amino acids 68-369 of SEQ ID NO: 16, or (c5) an analogue of the polypeptide defined in (a) or (b) which is at least 85% homologous with said polypeptide, or a fragment of (a5), (b5) or (c5); (a6) a polypeptide encoded by the mannanase encoding part of the DNA sequence cloned into the plasmid present in Escherichia coli DSM 12849, or (b6) a polypeptide comprising a sequence of amino acids 29-320 of SEQ ID NO: 22, or (c6) an analogue of the polypeptide defined in (a) or (b) which is at least 85% homologous with said polypeptide, or a fragment of (a6), (b6) or (c6); (a7) a polypeptide encoded by the mannanase encoding part of the DNA sequence cloned into the plasmid present in Escherichia coli DSM 12180, or (b7) a polypeptide comprising a sequence of amino acids 301-625 of SEQ ID NO: 26, or (c7) an analogue of the polypeptide defined in (a) or (b) which is at least 85% homologous with said polypeptide, or a fragment of (a7), (b7) or (c7); (a8) a polypeptide encoded by the mannanase encoding part of the DNA sequence cloned into the plasmid present in Escherichia coli DSM 12851, or (b8) a polypeptide comprising a sequence of amino acids 166-496 of SEQ ID NO: 28, or (c8) an analogue of the polypeptide defined in (a) or (b) which is at least 85% homologous with said polypeptide, or a fragment of (a8), (b8) or (c8); (a9) a polypeptide encoded by the mannanase encoding part of the DNA sequence cloned into the plasmid present in Escherichia coli DSM 12852, or (b9) a polypeptide comprising a sequence of amino acids 26-361 of SEQ ID NO: 30, or (c9) an analogue of the polypeptide defined in (a) or (b) which is at least 85% homologous with said polypeptide, or a fragment of (a9), (b9) or (c9); (a10) a polypeptide encoded by the mannanase encoding part of the DNA sequence cloned into the plasmid present in Escherichia coli DSM 12436, or (b10) a polypeptide comprising a sequence of amino acids 593-903 of SEQ ID NO: 32, or (c10) an analogue of the polypeptide defined in (a) or (b) which is at least 85% homologous with said polypeptide, or a fragment of (a10), (b10) or (c10).
- 32. An isolated mannanase, which is:
(a) a polypeptide encoded by the DNA sequence cloned into the plasmid present in Escherichia coli DSM 12441, (b) a polypeptide comprising a sequence of amino acids 33-331 of SEQ ID NO: 12 or a fragment thereof that has mannanase activity, or (c) a polypeptide encoded by a DNA sequence that hybridizes with nucleotides 97-993 of SEQ ID NO: 11 under high stringency conditions.
- 33. The mannanase of claim 32, which is encoded by the DNA sequence cloned into the plasmid present in Escherichia coli DSM 12441.
- 34. The mannanase of claim 32, which has a sequence comprising amino acids 33-331 of SEQ ID NO: 12.
- 35. The mannanase of claim 34, which consists of a sequence of amino acids 33-331 of SEQ ID NO: 12.
- 36. The mannanase of claim 32, which is a fragment of the sequence of amino acids 33-331 of SEQ ID NO: 12, wherein the fragment has mannanase activity.
- 37. The mannanase of claim 32, encoded by a DNA sequence that hybridizes with nucleotides 97-993 of SEQ ID NO: 11 under high stringency conditions.
- 38. The mannanase of claim 37, which has an amino acid sequence that is at least 80% homologous with the sequence of amino acids 33-331 of SEQ ID NO: 12.
- 39. The mannanase of claim 38, which has an amino acid sequence that is at least 85% homologous with the sequence of amino acids 33-331 of SEQ ID NO: 12.
- 40. The mannanase of claim 39, which has an amino acid sequence that is at least 90% homologous with the sequence of amino acids 33-331 of SEQ ID NO: 12.
- 41. The mannanase of claim 40, which has an amino acid sequence that is at least 95% homologous with the sequence of amino acids 33-331 of SEQ ID NO: 12.
- 42. The mannanase of claim 41, which has an amino acid sequence that is at least 98% homologous with the sequence of amino acids 33-331 of SEQ ID NO: 12.
- 43. The mannanase of claim 37, which is a Bacillus mannanase.
- 44. The mannanase of claim 43, which is a Bacillus halodurans mannanase.
- 45. An enzyme preparation comprising a mannanase of claim 32 and one or more enzymes selected from the group consisting of proteases, cellulases (endoglucanases), beta-glucanases, hemicellulases, lipases, peroxidases, laccases, alpha-amylases, glucoamylases, cutinases, pectinases, reductases, oxidases, phenoloxidases, ligninases, pullulanases, pectate lyases, xyloglucanases, xylanases, pectin acetyl esterases, polygalacturonases, rhamnogalacturonases, pectin lyases, other mannanases, pectin methylesterases, cellobiohydrolases, transglutaminases; and mixtures thereof.
- 46. A cleaning composition, comprising a mannanase of claim 32 and a surfactant.
- 47. A fabric softening composition, comprising a mannanase of claim 32, an enzyme selected from the group consisting of amylases, cellulases, lipases, pectin degrading enzymes, proteases and xyloglucanases, and a cationic surfactant comprising two long chain lengths.
Priority Claims (7)
Number |
Date |
Country |
Kind |
PA 1998 01340 |
Oct 1998 |
DK |
|
PA 1998 01341 |
Oct 1998 |
DK |
|
PA 1998 01725 |
Dec 1998 |
DK |
|
PA 1999 00306 |
Mar 1999 |
DK |
|
PA 1999 00307 |
Mar 1999 |
DK |
|
PA 1999 00308 |
Mar 1999 |
DK |
|
PA 1999 00309 |
Mar 1999 |
DK |
|
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application is a divisional of U.S. application Ser. No. 09/339,159 filed Jun. 24, 1999, which is a continuation of application No. PCT/DK99/00314 filed Jun. 10, 1999, which is a continuation-in-part of application Ser. No. 09/111,256 filed Jun. 10, 1998, and claims priority or the benefit under 35 U.S.C. 119 of Danish application nos. PA 1998 01340, PA 1998 01341, PA 1998 01725, PA 1999 00306, PA 1999 00307, PA 1999 00308 and PA 1999 00309 filed Oct. 20, 1998, Oct. 20, 1998, Dec. 23, 1998, Mar. 5, 1999, Mar. 5, 1999, Mar. 5, 1999 and Mar. 5, 1999, respectively, and U.S. provisional application Nos. 60/105,970, 60/106,054, 60/123,543, 60/123,623, 60/123,641 and 60/123,642 filed Oct. 28, 1998, Oct. 28, 1998, Mar. 9, 1999, Mar. 10, 1999, Mar. 10, 1999 and Mar. 10, 1999, respectively, the contents of which are fully incorporated herein by reference.
Provisional Applications (6)
|
Number |
Date |
Country |
|
60106054 |
Oct 1998 |
US |
|
60105970 |
Oct 1998 |
US |
|
60123543 |
Mar 1999 |
US |
|
60123623 |
Mar 1999 |
US |
|
60123641 |
Mar 1999 |
US |
|
60123642 |
Mar 1999 |
US |
Divisions (1)
|
Number |
Date |
Country |
Parent |
09339159 |
Jun 1999 |
US |
Child |
10372054 |
Feb 2003 |
US |
Continuations (1)
|
Number |
Date |
Country |
Parent |
PCT/DK99/00314 |
Jun 1999 |
US |
Child |
09339159 |
Jun 1999 |
US |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
09111256 |
Jun 1998 |
US |
Child |
PCT/DK99/00314 |
Jun 1999 |
US |