Preparation of organisms with faster growth and/or higher yield

A polynucleotide encoding an L450 polypeptide, which comprises a nucleic acid molecule selected from the group consisting of:

• (a) nucleic acid molecule encoding at least the mature form of the polypeptide as depicted in SEQ ID NO:
• 2, 4, 6, 8, 10, 12, 14, 16, 25 27, 35, 37, 39, 41, 43, 45, 46, 47, 48, 49, 50, 51 or 53 or comprising at least the mature form of the polynucleotide depicted in SEQ ID NO:
• 1, 3, 5, 7, 9, 11, 13, 15, 24 26, 34, 36, 38, 40, 42, 44 or 52;
• (b) nucleic acid molecule whose sequence is derivable from a polypeptide sequence encoded by a nucleic acid molecule according to (a) due to the degeneracy of the genetic code;
• (c) nucleic acid molecule encoding an L450 polypeptide whose sequence is at least 30% identical to the amino acid sequence of the polypeptide encoded by the sequence depicted in SEQ ID NO:
• 2, 4, 6, 8, 10, 12, 14, 16, 25 27, 35, 37, 39, 41, 43, 45, 46, 47, 48, 49, 50, 51 or 53 or comprising the sequence depicted in SE ID NO:
• 1, 3, 5, 7, 9, 11, 13, 15, 24 26, 34, 36, 38, 40, 42, 44 or 52;
• (d) nucleic acid molecule encoding a polypeptide that is derived from an L450 polypeptide encoded by a polynucleotide according to (a) to (c) by substitution, deletion and/or addition of one or more amino acids of the amino acid sequence of the polypeptide encoded by the nucleic acid molecules (a) to (c);
• (e) nucleic acid molecule encoding a fragment or an epitope of the L450 polypeptide encoded by any of the nucleic acid molecules according to (a) to (d);
• (f) nucleic acid molecule comprising a polynucleotide which comprises the sequence of a nucleic acid molecule obtained by amplification of a cDNA bank using the primers in SEQ ID NOs:
• 19 and 20 and/or 28 and 30 or a combination thereof or of a genomic bank using the primers in SEQ ID NOs:
• 21 and 22;
• (g) nucleic acid molecule encoding an L450 polypeptide which has been isolated with the aid of monoclonal antibodies against a polypeptide encoded by any of the nucleic acid molecules according to (a) to (f);
• (h) nucleic acid molecule which is obtainable by screening an appropriate library under stringent conditions using a probe comprising any of the sequences according to (a) to (g) and which encodes an L450 polypeptide,
• (i) nucleic acid molecule encoding a L450 polypeptide comprising the sequence shown in SEQ ID NO:
• 46 or 49, whereby 20 or less of the amino acid positions indicated can be replaced by an X and/or whereby 20 or less amino acids are inserted into the shown sequence or shown in SEQ ID NO:
• 47, 48, 50 or 51, whereby 10 or less of the amino acid positions indicated can be replaced by an X and/or whereby 10 or less amino acids are inserted into the shown sequence;
• or the complementary strand thereof, said polynucleotide or said nucleic acid molecule according to (a) to (h) not comprising the sequence depicted in SEQ ID NO:
• 1, 3, 9, 11, 13, 15, 23, 42 or 44 or the sequence complementary thereto.