1608 ization of the catalytic domains of Trichoderma reesei endogluca- nase I, II, and III, expressed in Escherichia coli. Appl Microbiol Biotechnol 81(4):681–689. doi:10.1007/s00253-008-1667-z Noguchi Y, Sano M, Kanamaru K, Ko T, Takeuchi M, Kato M, Kobayashi T (2009) Genes regulated by AoXlnR, the xylanolytic and cellulolytic transcriptional regulator, in Aspergillus oryzae. Appl Microbiol Biotechnol 85(1):141–154. doi:10.1007/s00253- 009-2236-9 Penttilä ME, Andre L, Lehtovaara P, Bailey M, Teeri TT, Knowles JK (1988) Efficient secretion of two fungal cellobiohydrolases by Saccharomyces cerevisiae. Gene 63(1):103–112 Seiboth B, Hofmann G, Kubicek CP (2002) Lactose metabolism and cellulase production in Hypocrea jecorina: the gal7 gene, encoding galactose-1-phosphate uridylyltransferase, is essential for growth on galactose but not for cellulase induction. Mol Genet Genomics 267(1):124–132 Seiboth B, Gamauf C, Pail M, Hartl L, Kubicek CP (2007) The D-xylose reductase of Hypocrea jecorina is the major aldose reductase in pentose and D-galactose catabolism and necessary for beta- galactosidase and cellulase induction by lactose. Mol Microbiol 66(4):890–900 Seiboth B, Ivanova C, Seidl-Seiboth V (2011) Trichoderma reesei: a fungal enzyme producer for cellulosic biofuels. In: dos Santos Bernardes MA (ed) Biofuel production—recent developments and prospects, 1st edn. InTech, Rijeka, pp 309–340 Seidl V, Druzhinina IS, Kubicek CP (2006a) A screening system for carbon sources enhancing β-N-acetylglucosaminidase formation in Hypocrea atroviridis (Trichoderma atroviride). Microbiology 152(Pt 7):2003–2012. doi:10.1099/mic.0.28897-0 Seidl V, Marchetti M, Schandl R, Allmaier G, Kubicek CP (2006b) Epl1, the major secreted protein of Hypocrea atroviridis on glucose, is a member of a strongly conserved protein family comprising plant Appl Microbiol Biotechnol (2012) 93:1601–1608 defense response elicitors. FEBS J 273(18):4346–4359. doi:10.1111/ j.1742-4658.2006.05435.x Shoemaker S, Watt K, Tsitovsky G, Cox R (1983) Characterization and properties of cellulases purified from Trichoderma reesei strain L27. Nat Biotechnol 1:687–690. doi:10.1038/nbt1083-687 Sprey B, Lamberta C (1984) Heterogeneity of cellulase complexes from Trichoderma reesei: a preparative isoelectric focusing study of some extracellular hydrolases. FEMS Microbiol Lett 23(2–3):227–232 Sprey B, Uelker A (1992) Isolation and properties of a low molecular mass endoglucanase from Trichoderma reesei. FEMS Microbiol Lett 92(3):253–257. doi:10.1111/j.1574-6968.1992.tb05270.x Stricker AR, Grosstessner-Hain K, Würleitner E, Mach RL (2006) Xyr1 (xylanase regulator 1) regulates both the hydrolytic enzyme system and D-xylose metabolism in Hypocrea jecorina. Eukaryot Cell 5(12):2128–2137 Sullivan R (1996) Contributions to senescence: non-enzymatic glycosyl- ation of proteins. Arch Physiol Biochem 104(7):797–806. doi:10.1076/apab.104.7.797.13107 Vaheri M, Leisola M, Kaupinnen V (1979) Transglycosylation products of the cellulase system of Trichoderma reesei. Biotechnol Letts 1:41–46 Van Arsdell JA, Kwok S, Schweickart VL, Ladner MB, Gelfand DH, Innis MA (1987) Cloning, characterization, and expression in Saccharomyces cerevisiae of endoglucanase I from Trichoderma reesei. Nat Biotechnol 5:60–64. doi:10.1038/nbt0187-60 Van Tilbeurgh H, Claeyssens M, de Bruyne CK (1982) The use of 4- methylumbelliferyl and other chromophoric glycosides in the study of cellulolytic enzymes. FEBS Lett 149:152–156 Wilson DB (2009) Cellulases and biofuels. Curr Opin Biotechnol 20 (3):295–299 Zhang YHP, Himmel ME, Mielenz JR (2006) Outlook for cellulase improvement: screening and selection strategies. Biotech Adv 24 (5):452–481