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Table 7 Glycosyl hydrolase families involved in chitin/chitosan and β-1,3 glucan hydrolysis that are expanded in mycoparasitic Trichoderma species

From: Comparative genome sequence analysis underscores mycoparasitism as the ancestral life style of Trichoderma

  

Glycosyl hydrolase family

 
  

Chitin/chitosana

ß-glucana

Total ß-glucanb

 

Taxonomy

GH18

GH75

GH17

GH55

GH64

GH81

217

Trichoderma atroviride

S

29

5

5

8

3

2

18

Trichoderma virens

S

36

5

4

10

3

1

18

Trichoderma reesei

S

20

3

4

6

3

2

15

Pezizomycota

        

   Nectria haematococca

S

28

2

6

5

2

1

14

   Fusarium graminearum

S

19

1

6

3

2

1

12

   Neurospora crassa

S

12

1

4

6

2

1

13

   Podospora anserina

S

20

1

4

7

1

1

13

   Magnaporthe grisea

S

14

1

7

3

1

2

13

   Aspergillus nidulans

E

19

2

5

6

0

1

12

   Aspergillus niger

E

14

2

5

3

0

1

9

   Penicillium chrysogenum

E

9

1

5

3

2

1

11

   Tuber melanosporum

P

5

1

4

2

0

3

9

Other ascomycetes

        

   Saccharomyces cerevisiae

SM

2

0

4

0

0

2

6

   Schizosaccharomyces pombe

SS

1

0

1

0

0

1

2

Basidiomycota

        

   Phanerochaete chrysosporium

A

11

0

2

2

0

0

4

   Laccaria bicolor

A

10

0

4

2

0

0

6

   Postia placenta

A

20

0

4

6

0

0

10

  1. aMain substrates for the respective enzyme families. bNumber of all enzymes that can act on ß-glucan as a substrate. Taxonomy abbreviations: S, Sordariomycetes; E, Eurotiomycetes; P, Pezizomycetes; S, Saccharomycetes; SS, Schizosaccharomycetes; A, Agaricomycetes. The bold numbers indicate glycosyl hydrolase (GH) families that have a statistically significant expansion in Trichoderma (P < 0.05) or Ta and Tv (GH18). This support was obtained only when N. haematococca and T. melanosporum were not included in the analysis of GH18 and GH81, respectively.
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Genome Biology

ISSN: 1474-760X

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