The antifungal bacteria were grown Pexidartinib in vitro in 3 mL of BHI broth for 2 d at 28°C in a shaking incubator (with 200 rpm). The bacterial suspensions (106 CFU/mL and 108 CFU/mL) were spotted onto agar plates prepared as follows (/L): for starch hydrolysis: 0.6 g beef extract, 1 g peptone, 2 g starch azure and 15 g agar; for cellulase: 0.5 g NH4SO4, 0.5 g L-asparagine, 1 g KH2PO4, 0.2 g crystalline MgSO4, 0.1 g CaCl2, 0.5 g yeast extract, 10 g carboxyl methyl cellulose, and 20 g agar; for hemicellulase: 5 g gum guar, 5 g yeast extract, 4 g

K2HPO4, 10 g casein, 0.0015 g crystal violet, and 18 g agar; and for pectinase: 10 g pectin, 2 g NaNO3, 0.5 g KCl, 1 g K2HPO4, 0.5 g MgSO4∙7H2O, 0.01 g FeSO4, and 20 g agar [30]. After 2 d of incubation at the different temperatures of 21°C, 25°C, and 28°C, the plates were stained according to the following: Gram’s iodine solution for starch, 0.1% Congo red for cellulose, and saturated copper

acetate for pectin [30]. The hemicellulose staining used crystal violet that was included in the medium during its preparation. The sizes of halos that formed around bacterial http://www.selleckchem.com/products/LBH-589.html spots were measured for enzymatic activities after 2 d of incubation. Treatments were applied at three times for the control of root rot caused by the Fusarium isolate on 4-yr-old ginseng root discs: pretreatment (2 d prior to inoculation of the fungal pathogen), simultaneous with treatment, and post-treatment (2 d after inoculation). The antagonistic bacterium was cultured in BHI broth at 28°C for 48 h in a shaking incubator with 200 rpm and adjusted to the concentrations of 106 CFU/mL

and 108 CFU/mL, respectively. The fungal pathogen was grown on CLA for 10 d and conidia were harvested by flooding 10-d-old cultures with SDW. The suspensions were centrifuged at 3,123 g for 10 min, the supernatant was discarded, and 2 mL of SDW were added to each conidial pellet. This process was repeated three times for washing, and the concentration of conidial isothipendyl suspensions was adjusted to about 106 conidia/mL by a hemacytometer. Ginseng root discs were treated with 100 μL of bacterial suspensions at the three timings: 2 d before (pretreatment), simultaneously (with treatment), and 2 d after (post-treatment) inoculation. For each treatment, 20 μL of conidial suspension were also inoculated following spotting of the discs with bacterial treatment, after which the discs were dried for 30 min on a clean bench. Inoculated ginseng discs were placed on water-soaked filter paper and incubated at 25°C. Rot development was measured daily up to 5 d after inoculation with the conidial suspension, based on the disease severity rating system mentioned above. The antifungal bacterium was grown in 250 mL BHI broth and incubated at 28°C in a shaking incubator. After incubation for 2 d, bacterial suspensions were adjusted to concentrations of 106 CFU/mL or 108 CFU/mL.