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Table 1 Mean diameter (± standard deviation)* and evidence of pigment secretion of S. nodorum strains growing in the dark on minimal medium supplemented with different carbon sources

From: A comparative analysis of the heterotrimeric G-protein Gα, Gβ and Gγ subunits in the wheat pathogen Stagonospora nodorum

Media supplement S. nodorum strain Diameter1(mm) Colour of secretion
Arabinose SN15 61.5 ± 2.4 (A) NA
  gna 1 36.2 ± 1.0 (CD) NA
  gba 1 45.5 ± 0.6 (BC) yellow
  gga A 25.5 ± 1.0 (E) NA
Fructose SN15 59.2 ± 1.3 (A) NA
  gna 1 45 ± 0.8 (BC) NA
  gba 1 43.7 ± 2.1 (BC) NA
  gga A 31.7 ± 2.1 (D) NA
Glucose SN15 61.7 ± 1.5 (A) NA
  gna 1 39.5 ± 0.6 (C) deep orange
  gba 1 48.7 ± 1.7 (B) dark brown
  gga A 37.5 ± 0.6 (C) light brown
Lactose SN15 52.5 ± 1.3 (B) NA
  gna 1 36.7 ± 1.0 (CD) NA
  gba 1 40.2 ± 0.5 (C) yellow
  gga A 31.0 ± 1.2 (D) NA
Mannitol SN15 51.0 ± 1.8 (B) NA
  gna 1 38.0 ± 0 (C) NA
  gba 1 39.2 ± 1.0 (C) yellow
  gga A 28.7 ± 1.0 (D) NA
Media supplement S. nodorum strain Diameter (mm) Colour of secretion
Sucrose SN15 60.2 ± 3.9 (A) NA
  gna 1 42.2 ± 0.5 (C) NA
  gba 1 50.5 ± 2.4 (B) NA
  gga A 33.2 ± 1.0 (D) NA
Trehalose SN15 60 ± 0.8 (A) NA
  gna 1 35.5 ± 0.6 (CD) NA
  gba 1 39.7 ± 1.5 (C) NA
  gga A 36.2 ± 2.2 (CD) NA
Glucose + NaCl SN15 33.2 ± 0.5 (D) NA
  gna 1 18.5 ± 0.6 (E) dark brown
  gba 1 21.2 ± 0.5 (E) NA
  gga A 22.0 ± 1.2 (E) NA
Casamino - NaNO3 SN15 50.7 ± 1.3 (B) NA
  gna 1 35.2 ± 1.3 (CD) NA
  gba 1 35.2 ± 1.9 (CD) NA
  gga A 33.2 ± 0.5 (D) NA
Glucose + Casamino SN15 52.0 ± 1.2 (B) orange/brown
  gna 1 37.7 ± 0.5 (CD) orange/brown
  gba 1 43.0 ± 0.8 (BC) orange/brown
  gga A 40.7 ± 1.0 (C) orange/brown
  1. Wild-type SN15 and the mutant strains gna1-35, gba1-6 and ggaA-25 display carbon source-dependent changes in radial growth rate and pigment secretion as observed 10 days post inoculation (dpi).
  2. 1The letters in brackets shown after the diameter measurements define the significance of the results with growth assays showing the same letter being not significantly different (p < 0.05).