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Table 3 The hydrolytic performance of the culture supernatants from the 31 fungal strains against Avicel

From: Predominance of Trichoderma and Penicillium in cellulolytic aerobic filamentous fungi from subtropical and tropical forests in China, and their use in finding highly efficient β-glucosidase

Strains

Source/reference

Closest match of ITS in GenBank

Species identification

ITS GenBank accession number

Optimal pH of Avicelase

Optimal temperature of Avicelase,°C

Avicelase activity, U/mla

Closest strain (accession number)

Maximum identity

Rut-C30

[24]

Trichoderma reesei strain ATCC 56765 (Rut-C30) (X93938.1)

100%

T. reesei

–

4.0 to 5.0

55

0.39 ± 0.004

FCD 3-1

Golden Camellia NNR

Trichoderma koningiopsis strain T-1 (KC884758.1)

100%

T. koningiopsis

KJ619600

4.0 to 5.0

55

0.37 ± 0.007

BM 48-3

Baimaxueshan NNR

Hypocrea cremea strain GJS 91-125 (AY737760.1)

99.2%

H. cremea

KJ619591

4.0 to 4.5

50

0.36 ± 0.006

HP 35-3

Huaping NNR

Trichoderma atroviride voucher TriAtv_JSB791 (KC569351.1)

100%

T. atroviride

KJ619607

4.0 to 5.0

55

0.34 ± 0.006

HP 29-3

Huaping NNR

Trichoderma harzianum RP1-4 (JX493008.1)

100%

T. harzianum

KJ619604

5.0

55

0.33 ± 0.012

HP37-2

Huaping NNR

Trichoderma harzianum voucher TriH_JSB301 (KC569359.1)

100%

T. harzianum

KJ619608

–

–

0.33 ± 0.030

BM16-3

Baimaxueshan NNR

Penicillium oxalicum strain a1s2_d38 (KC344971.1)

100%

P. oxalicum

KJ619590

4.5 to 5.0

50

0.32 ± 0.014

ML5-2a

Xishuangbanna NNR

Trichoderma sp. FKI-6626 (AB733349.1)

97%

Trichoderma sp.

KJ619623

4.5

55

0.32 ± 0.003

ML29-3

Xishuangbanna NNR

Trichoderma sp. SQR037 (GQ497168.1)

100%

Trichoderma sp.

KJ619624

5.0

55

0.31 ± 0.009

HP33-1

Huaping NNR

Trichoderma tawa strain LIPIMC0569 (KC847183.1)

100%

T. tawa

KJ619605

–

–

0.30 ± 0.011

SK9-1

Shankou mangrove NNR

Penicillium sp. 3 BRO-2013 (KF367495.1)

100%

Penicillium sp.

KJ619620

4.5

45

0.30 ± 0.004

HP21-3

Huaping NNR

Trichoderma harzianum voucher TriH_JSB301 (KC569359.1)

100%

T. harzianum

KJ619603

–

–

0.30 ± 0.004

HP37-4

Huaping NNR

Trichoderma piluliferum isolate wxm149 (HM061325.1)

100%

T. piluliferum

KJ619609

4.5

55

0.29 ± 0.011

HP7-2

Huaping NNR

Trichoderma harzianum Ir.112C (AY154949.1)

100%

T. harzianum

KJ619602

–

–

0.29 ± 0.007

ML14-1

Xishuangbanna NNR

Trichoderma harzianum strain LIPIMC0572 (KC847182.1)

100%

T. harzianum

KJ619614

4.0

55

0.29 ± 0.005

ML12-1

Xishuangbanna NNR

Trichoderma harzianum voucher TriH JSB301 (KC569359.1)

99.7%

T.harzianum

KJ619613

4.0 to 5.0

55

0.29 ± 0.003

BM12-1

Baimaxueshan NNR

Penicillium sp. 0312 F1 (EU926977.1)

100%

Penicillium sp.

KJ619589

5.0

50

0.28 ± 0.014

HP35-1

Huaping NNR

Trichoderma harzianum strain IPBCC07_547 (KC8471910.1)

100%

T. harzianum

KJ619606

4.0 to 5.0

55

0.27 ± 0.012

ML16-1

Xishuangbanna NNR

Trichoderma harzianum voucher TriH_JSB301 (KC569359.1)

100%

T. harzianum

KJ619615

5.0

55

0.26 ± 0.009

ML4-2

Xishuangbanna NNR

Trichoderma hamatum strain T-17 (FR87274.1)

100%

T. hamatum

KJ619610

4.5

55

0.26 ± 0.006

S17-1

Shiwandashan NNR

Penicillium aculeatum isolate A11 (EU781668.1)

100%

P. aculeatum

KJ619618

5.0

60

0.25 ± 0.003

SK22-2

Shankou mangrove NNR

Penicillium sp. 3 BRO-2013 (KF367495.1)

100%

Penicillium sp.

KJ619621

3.5 to 5.0

40 to 45

0.24 ± 0.021

ML5-2

Xishuangbanna NNR

Penicillium sp. 3 BRO-2013 (KF367495.1)

100%

Penicillium sp.

KJ619611

4.5 to 5.0

55 to 60

0.24 ± 0.016

S17-2

Shiwandashan NNR

Penicillium aculeatum strain LP67 (HQ392497.1)

100%

P. aculeatum

KJ619619

4.0 to 5.0

55 to 60

0.24 ± 0.008

SY20-5

Golden Camellia NNR

Penicillium oxalicum isolate C1-5 (KF986426.1)

100%

P. oxalicum

KJ619622

4.5 to 5.0

50 to 55

0.24 ± 0.004

NG9

Longgang NNR

Penicillium sp. 3 BRO-2013 (KF367495.1)

100%

Penicillium sp.

KJ619616

4.0 to 4.5

50

0.23 ± 0.009

FC3-3

Golden Camellia NNR

Penicillium sp. ZH7-E1 (FJ037747.1)

100%

Penicillium sp.

KJ619599

4.0 to 5.0

55

0.22 ± 0.016

S15-3

Shiwandashan NNR

Penicillium sp. 3 BRO-2013 (KF367495.1)

100%

Penicillium sp.

KJ619617

5.0

55

0.21 ± 0.022

HP7-1

Huaping NNR

Penicillium sp. 3 BRO-2013 (KF367495.1)

100%

Penicillium sp.

KJ619601

5.0

55

0.21 ± 0.015

BM58-1

Baimaxueshan NNR

Trichoderma viride strain NEFU26 (KF944470.1)

100%

T. viride

KJ619592

–

–

0.21 ± 0.008

ML11-1

Xishuangbanna NNR

Penicillium oxalicum strain HL6 (KF746061.1)

100%

P. oxalicum

KJ619612

5.0

55

0.21 ± 0.004

BM58-4

Baimaxueshan NNR

Trichoderma viride isolate OTU220 (GU934567.1)

100%

T. viride

KJ619593

–

–

0.20 ± 0.003

  1. ITS, internal transcribed spacer; NNR, National Natural Reserve.
  2. aIndicates that Avicelase activity was measured under optimum pH and temperature of the crude enzyme produced by the strain in liquid culture at peak enzyme production. Avicelase activity produced by strains whose optimum pH and temperature for the crude enzyme were not tested was measured under conditions of pH 4.5 and 55°C 5 days after cultivation of fungal strains in liquid culture. Data are means ± standard deviation from three replicates. The experiments were repeated three times and similar results were obtained.
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