... one of the maincomponents, responsible for the accumulation of microorganisms on tooth surfaces and the consequentdevelopment of caries [ 31] .In this article, we report on the purification and molecular ... characterization of an exo-a -1, 3-glucanase(EC 3.2 .1. 84), named AGN13.2, and the cloning of the corresponding gene, named agn13.2, from T. asperel-lum. We also show that expression of the gene and enzyme ... showthat the highest transcript levels for agn13.2 and agn13 .1 were found for B. cinerea cell wall inductions.However, no agn13.2 and agn13 .1 mRNA was detec-ted in conditions of carbon and nitrogen...