Polypeptides Having Beta-Xylosidase Activity and Polynucleotides Encoding Same

An isolated polypeptide having beta-xylosidase activity, selected from the group consisting of:

• (a) a polypeptide having at least 60% sequence identity to the mature polypeptide of SEQ ID NO:
• 6 or SEQ ID NO:
• 8;
• at least 65% sequence identity to the mature polypeptide of SEQ ID NO:
• 2;
• or at least 75% sequence identity to the mature polypeptide of SEQ ID NO:
• 4 or SEQ ID NO:
• 10;
• (b) a polypeptide encoded by a polynucleotide that hybridizes under at least medium-high stringency conditions with (i) the mature polypeptide coding sequence of SEQ ID NO:
• 1, SEQ ID NO:
• 3, SEQ ID NO:
• 5, SEQ ID NO:
• 7, or SEQ ID NO:
• 9, (ii) the cDNA sequence of SEQ ID NO:
• 1, SEQ ID NO:
• 3, SEQ ID NO:
• 5, or SEQ ID NO:
• 7, 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:
• 5 or SEQ ID NO:
• 7, or the cDNA sequences thereof;
• at least 65% sequence identity to the mature polypeptide coding sequence of SEQ ID NO:
• 1 or the cDNA sequence thereof;
• or at least 75% sequence identity to the mature polypeptide coding sequence of SEQ ID NO:
• 3 or the cDNA sequence thereof or SEQ ID NO:
• 9;
• (d) a variant of the mature polypeptide of SEQ ID NO:
• 2, SEQ ID NO:
• 4, SEQ ID NO:
• 6, SEQ ID NO:
• 8, or SEQ ID NO:
• 10 comprising a substitution, deletion, and/or insertion at one or more (e.g., several) positions;
• and
• (e) a fragment of the polypeptide of (a), (b), (c), or (d) that has beta-xylosidase activity.

An isolated polynucleotide encoding a signal peptide comprising or consisting of amino acids 1 to 19 of SEQ ID NO:

• 2, amino acids 1 to 19 of SEQ ID NO:
• 4, amino acids 1 to 19 of SEQ ID NO:
• 6, amino acids 1 to 21 of SEQ ID NO:
• 8, or amino acids 1 to 20 of SEQ ID NO:
• 10.