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Table 1 Comparative image analysis with Image J of hyphal morphologies from T. reesei ∆rac1 strains compared to reference strain K1 during growth on lactose for 27 h, mean values and standard deviation are given

From: Deletion of the small GTPase rac1 in Trichoderma reesei provokes hyperbranching and impacts growth and cellulase production

 

K1

Δrac1

Mycelium length (µm)

650.4 ± 189.5

467.3 ± 208.9

Central hyphal length (µm)

498.8 ± 128.0

214.4 ± 80.3

Average branch length (µm)

56.0 ± 28.4

70.7 ± 36.5

Number of hyphal apices

4.1 ± 1.3

5.4 ± 2.0

Diameter (µm)

4.3 ± 1.5

6.4 ± 0.4

  1. n = 25 per strain, samples of three different biological replicates were drawn from liquid cultures after 27 h, all values shown were tested with Student’s-t-test p < 0.05 and were all significantly different for K1 and ∆rac1 strains