Polypeptides Having Endoglucanase Activity and Polynucleotides Encoding Same

An isolated polypeptide having endoglucanase activity, selected from the group consisting of:

• (a) a polypeptide having at least 85% sequence identity to the mature polypeptide of SEQ ID NO:
• 2, a polypeptide having at least 71% sequence identity to the mature polypeptide of SEQ ID NO:
• 4, a polypeptide having at least 74% sequence identity to the mature polypeptide of SEQ ID NO:
• 6, or a polypeptide having at least 75% sequence identity to the mature polypeptide of SEQ ID NO:
• 8;
• (b) a polypeptide encoded by a polynucleotide that hybridizes under low stringency conditions with (i) the mature polypeptide coding sequence of SEQ ID NO:
• 1, SEQ ID NO:
• 3, SEQ ID NO:
• 5, or SEQ ID NO:
• 7, (ii) the cDNA sequence thereof, or (iii) the full-length complement of (i) or (ii);
• (c) a polypeptide encoded by a polynucleotide having at least 60% sequence identity to the mature polypeptide coding sequence of SEQ ID NO:
• 1, SEQ ID NO:
• 3, SEQ ID NO:
• 5, or SEQ ID NO:
• 7, or the cDNA sequence thereof;
• (d) a variant of the mature polypeptide of SEQ ID NO:
• 2, SEQ ID NO:
• 4, SEQ ID NO:
• 6, or SEQ ID NO:
• 8, comprising a substitution, deletion, and/or insertion at one or more positions;
• and
• (e) a fragment of the polypeptide of (a), (b), (c), or (d) that has endoglucanase activity.

An isolated polypeptide comprising a catalytic domain selected from the group consisting of:

• (a) a catalytic domain having at least 60% sequence identity to the catalytic domain of SEQ ID NO:
• 2, SEQ ID NO:
• 4, SEQ ID NO:
• 6, or SEQ ID NO:
• 8;
• (b) a catalytic domain encoded by a polynucleotide having at least 60% sequence identity to the catalytic domain coding sequence of SEQ ID NO:
• 1, SEQ ID NO:
• 3, SEQ ID NO:
• 5, or SEQ ID NO:
• 7;
• (c) a variant of a catalytic domain comprising a substitution, deletion, and/or insertion of one or more (several) amino acids of the catalytic domain of SEQ ID NO:
• 2, SEQ ID NO:
• 4, SEQ ID NO:
• 6, or SEQ ID NO:
• 8;
• and
• (d) a fragment of a catalytic domain of (a), (b), or (c), which has endoglucanase activity.

An isolated polynucleotide encoding a signal peptide comprising or consisting of amino acids 1 to 22 of SEQ ID NO:

• 2, amino acids 1 to 23 of SEQ ID NO:
• 4, amino acids 1 to 20 of SEQ ID NO:
• 6, or amino acids 1 to 19 of SEQ ID NO:
• 8.