... each substrate: mutan (a-1,3- and a-1,6-glu-can), nigeran (a-1,3- and a-1,4-glucan), soluble starch(a-1,4- and a-1,6-glucan), pustulan (b-1,6-glucan), laminarin(b-1,3-glucan), carboxymethilcelullose ... a-1,3-glu-cans with a-1,6 branches.The observed optimum pH and thermostability are inthe range obtained for the T. harzianum CECT2413mutanase [25] and other enzymes from T. harzianumCCM-F470 ... resistancein plants [3], their potential for promoting plantgrowth [4] and their antagonistic activity against awide range of plant pathogenic fungi [5]. The inhibi-tory effect of their antibiotics...