A High Diversity in Chitinolytic and Chitosanolytic Species and Enzymes and Their Oligomeric Products Exist in Soil with a History of Chitin and Chitosan Exposure

Table 1

Chitinase and chitosanase activity of the fungal isolates screened from soil samples.

Isolate number	Name of the fungus	Activity in dot assays
		Chitinase	Chitosanase
1	Fusarium sp.	+	−
2	Unidentified	−	+
3	Penicillium sp.	+	+
4	Aspergillus sp.	+	−
5	Acremonium sp.	−	−
6	Cladosporium sp.	+	+
7	Cladosporium sp.	−	+
8	Aureobasidium pullulans	+	−
9	Aureobasidium pullulans	+	−
10	Unidentified	+	+
11	Unidentified	−	+
12	Unidentified	−	+
13	Unidentified	+	−
14	Aspergillus sp.	−	−
15	Curvularia sp.	−	−
16	Unidentified	−	−
17	Aspergillus sp.	+	+
18	Aspergillus niger	+	+
19	Sporormiella intermedia	−	−
20	Cladosporium cladosporioides	−	+
21	Drechslera sp.	+	+
22	Drechslera sp.	+	−
23	Aspergillus sp.	−	+
24	Acremonium sp.	+	+
25	Unidentified	−	+

Glycol-chitin and chitosan DA 36% were used as substrates to detect chitinase and chitosanase activity, respectively; + = positive; − = negative.