CLONING, EXPRESSION AND USE OF ACID PHOSPHOLIPASES

The invention relates to a DNA sequence, which codes for a polypeptide having phospholipase activity essentially without lipase activity, characterized in that the DNA sequence is selected from a) DNA sequences that comprise a nucleotide sequence according to SEQ ID NO: 1, b) DNA sequences that comp...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LORENZ PATRICK, NGUYEN KHANH QUOC, PALADINO SILVIA, MARSCHNER VOLKER, SCHWARZ TATANIA, TITZE KORNELIA
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY BLEACHING LEATHER OR FURS CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS,YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKINGOILS ENZYMOLOGY FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR FOODS OR FOODSTUFFS HUMAN NECESSITIES LAUNDERING METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS TEXTILES THEIR TREATMENT, NOT COVERED BY OTHER CLASSES TREATMENT OF TEXTILES OR THE LIKE VINEGAR WINE
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Beschreibung
Zusammenfassung:	The invention relates to a DNA sequence, which codes for a polypeptide having phospholipase activity essentially without lipase activity, characterized in that the DNA sequence is selected from a) DNA sequences that comprise a nucleotide sequence according to SEQ ID NO: 1, b) DNA sequences that comprise the coding sequence according to SEQ ID NO: 1, c) DNA sequences that code for the protein sequence according to SEQ ID NO: 2, d) DNA sequences that are coded for by the plasmid pPL3940-Topo2.5 with the restriction map according to FIG. 7, which is deposited under accession number DSM 22741, e) DNA sequences that hybridize under stringent conditions with one of the DNA sequences according to a), b), c) or d), f) DNA sequences that are related to the DNA sequences according to a), b), c), d) or e) due to the degeneration of the genetic code, and g) complementary strands to the sequences according to a) to f), wherein the DNA sequence is preferably derived from Aspergillus, and more preferably from Aspergillus fumigatus, and a polypeptide having phospholipase activity essentially without lipase activity selected from a) a polypeptide which is coded for by the coding part of a DNA sequence as defined above, b) a polypeptide having the sequence according to SEQ ID NO: 2 or a sequence derived therefrom, which may be obtained by substitution, addition, deletion of one or more amino acid(s), c) a polypeptide having a sequence that has at least 83% identity with the amino acids 1 to 299 of SEQ ID NO: 2, d) a polypeptide which is coded for by a nucleic acid sequence which hybridizes under stringent conditions with (i) nucleotides 55 to 1106 of SEQ ID NO: 1, (ii) the cDNA sequence contained in nucleotides 55 to 1106 of SEQ ID NO: 1, (iii) a partial sequence of (i) or (ii) composed of at least 100 nucleotides, or (iv) a complementary strand of (i), (ii) or (iii), e) a variant of the polypeptide having SEQ ID NO: 2, comprising a substitution, deletion and/or insertion of one or more amino acid(s), f) allelic variants to amino acid sequences a) to e).