NOVELTY - An isolated or recombinant nucleic acid encoding at least one polypeptide having a cellulase activity, is new.    USE - The sequences, compositions, and methods are useful in a variety of pharmaceutical, agricultural, food and feed processing and industrial contexts given above.    DETAILED DESCRIPTION - An isolated or recombinant nucleic acid comprises:    (i) a nucleic acid sequence having at least 50-99%, or more or complete sequence identity to ODD SEQ ID NOS: 1-165, over a region of at least 20-1150 or more residues, where the nucleic acid encodes at least one polypeptide having a cellulase activity, and optionally the sequence identities are determined by analysis with a sequence comparison algorithm or by a visual inspection,    (ii) a nucleic acid sequence that hybridizes under stringent conditions to a nucleic acid comprising ODD SEQ ID NOS: 1-165,    (iii) a nucleic acid sequence encoding a polypeptide having a sequence of EVEN SEQ ID NOS: 2-166.    INDEPENDENT CLAIMS are included for:    (1) a nucleic acid probe, for identifying a nucleic acid encoding a polypeptide with a cellulase activity, where the probe comprises at least 20-150 or more consecutive bases of a sequence above, where the probe identifies the nucleic acid by binding or hybridization, where optionally the probe comprises an oligonucleotide comprising at least 10-100 or 50-150 consecutive bases, where optionally the probe comprises consecutive bases of a sequence of ODD SEQ ID NOS: 1-15;    (2) an amplification primer pair, for amplifying a nucleic acid encoding a polypeptide having a cellulase activity;    (3) a cellulase-encoding nucleic acid;    (4) an isolated or recombinant cellulase;    (5) amplifying a nucleic acid encoding a polypeptide having a cellulase activity;    (6) an expression cassette;    (7) a vector comprising the nucleic acid;    (8) a cloning vehicle comprising the nucleic acid;    (9) a transformed cell comprising the nucleic acid;    (10) a transgenic non-human animal comprising the sequence;    (11) a transgenic plant comprising the sequence;    (12) a transgenic seed comprising the sequence;    (13) an antisense oligonucleotide comprising the nucleic acid sequence;    (14) inhibiting the translation of a cellulase message in a cell;    (15) a double-stranded interference RNA (RNAi) molecule comprising a subsequence of the sequence;    (16) inhibiting the expression of a cellulase in a cell;    (17) an isolated or recombinant polypeptide with an amino acid sequence having at least 50-99%, or more, or 100% sequence identity to EVEN SEQ ID NOS: 2-166, over a region of at least 20-300 or more residues;    (18) an isolated or recombinant polypeptide comprising the polypeptide and having a heterologous signal or leader sequence or a heterologous prepro sequence;    (19) a protein preparation comprising the polypeptide;    (20) a heterodimer comprising the polypeptide;    (21) a homodimer comprising a polypeptide;    (22) an immobilized polypeptide or an immobilized nucleic acid;    (23) an array comprising an immobilized polypeptide, or nucleic acid;    (24) an isolated or recombinant antibody that specifically binds to a polypeptide;    (25) a hybridoma comprising an antibody that specifically binds to a polypeptide;    (26) identifying a polypeptide with a cellulase activity;    (27) making an anti-cellulase antibody;    (28) producing a recombinant polypeptide;    (29) identifying a polypeptide having a cellulase activity;    (30) identifying a cellulase substrate;    (31) determining whether a test compound specifically binds to a polypeptide;    (32) identifying a modulator of a cellulase activity;    (33) a computer system comprising a processor and a data storage device;    (34) a computer readable medium having stored into it a polypeptide sequence or a nucleic acid sequence;    (35) identifying a feature in a sequence;    (36) comparing a first sequence to a second sequence;    (37) isolating or recovering a nucleic acid encoding the polypeptide;    (38) generating a variant of a nucleic acid encoding a polypeptide with a cellulase activity;    (39) modifying codons in a nucleic acid encoding a polypeptide with a cellulase activity to increase its expression in a host cell;    (40) producing a library of nucleic acids encoding modified cellulase active sites or substrate binding sites;    (41) making a small molecule;    (42) modifying a small molecule;    (43) determining a functional fragment of a cellulase enzyme;    (44) whole cell engineering of new or modified phenotypes;    (45) an isolated or recombinant signal or leader sequence consisting of an amino acid sequence in the amino terminal residues of EVEN SEQ ID NOS: 2-166;    (46) a chimeric polypeptide comprising at least a first domain comprising a signal peptide (SP) or leader sequence, and at least a second domain comprising a heterologous polypeptide or peptide;    (47) an isolated or recombinant nucleic acid encoding a chimeric polypeptide;    (48) an isolated or recombinant nucleic acid comprising a sequence encoding a polypeptide having a cellulase activity and a signal sequence;    (49) an isolated or recombinant nucleic acid comprising the sequence;    (50) increasing thermotolerance or thermostability of a cellulase polypeptide;    (51) overexpressing a recombinant cellulase in a cell;    (52) making a transgenic plant;    (53) expressing a heterologous nucleic acid sequence in a plant cell;    (54) hydrolyzing, breaking up or disrupting a glucan- or cellulose- comprising composition;    (55) a dough or a bread product comprising the polypeptide;    (56) dough conditioning;    (57) a beverage comprising the polypeptide;    (58) beverage production;    (59) a food, a feed or a nutritional supplement comprising the polypeptide;    (60) utilizing a cellulase as a nutritional supplement in an animal diet;    (61) an edible enzyme delivery matrix or pellet comprising a thermostable recombinant cellulase enzyme comprising a polypeptide, where optionally the polypeptide has cellulase, endoglucanase, cellobiohydrolase, mannanase and/or beta-glucosidase activity;    (62) delivering a cellulase supplement to an animal;    (63) a cellulose- or cellulose derivative- composition comprising the polypeptide;    (64) a wood, wood pulp or wood product comprising a cellulase, where optionally the cellulase activity comprises endoglucanase, cellobiohydrolase, mannanase and/or beta-glucosidase activity;    (65) a paper, paper pulp or paper product comprising the polypeptide;    (66) reducing the amount of cellulose in a paper, a wood or wood product;    (67) a detergent composition comprising a cellulase;    (68) a fuel comprising the polypeptide;    (69) making bioethanol;    (70) an enzyme ensemble for depolymerization of cellulosic and hemicellulosic polymers to metabolizable carbon moieties comprising a polypeptide;    (71) processing a biomass material;    (72) a dairy product comprising the polypeptide;    (73) improving texture and flavor of a dairy product;    (74) a textile or fabric comprising the polypeptide;    (75) treating solid or liquid animal waste products;    (76) a disinfectant comprising the polypeptide; and    (77) a biodefenseagent comprising the polypeptide.