Aspergillus niger genomic DNA|BNCC360029 |BNCC

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Aspergillus niger genomic DNA

Culture medium	Comprehensive PDA agar (English name: CPDA): potato boil 1.0L, glucose 20.0g,KH2PO4 3.0g,MgSO4 · 7H2O 1.5g, vitamin B1 trace, agar 20.0g,pH 6.0±0.2. Sterilization at 121 ℃ for 15min. Potato boiling liquid: weigh 200g of peeled potato pieces, boil in boiling water for 30min, and collect the filtrate to a constant volume of 1.0L.
Growth conditions	25-28 ℃, strictly aerobic, 5-7d.
Growth characteristics	The colony is white and filamentous, producing a large number of black spores, black, light yellowish brown on the back, flat on the surface of the colony, with radial grooves, velvet texture, and a small amount of colorless exudate. Conidia head globular type, diameter 50-80 μm; Spore stem diameter 10-15 μm, smooth wall; Top capsule globular type, diameter 30-40 μm, fully fertile surface; Spore-producing structure double layer, stem base 10-12 × 2-3 μm; Bottle stalk 6-8 × 2-3 μm; Conidia spherical type, diameter 3-4 μm, rough wall.
Storage conditions	4 ℃, cold storage
application	Research; Analytical testing. 2015 edition Chinese Pharmacopoeia Quality Control Strain, GB 4789.15-2010 Mold and Yeast Count Positive Control Strain. Spore production. 2020 edition of Pharmacopoeia-"General Principles 1100 Biological Inspection Method" for test strains for pharmacopoeia, culture medium "sensitivity inspection" for test strains, "method applicability test" for test strains, "counting medium applicability inspection and test sample counting method applicability test" for test strains, microbial counting "medium applicability test and method applicability test" for test strains, "Medium Applicability Test, Method Applicability Test, Bacteriostatic Efficacy Test" Test Strain GB 4789.15-2016 Mold and Yeast Count
Sharing mode	Public welfare sharing

Genomic DNA

Product content: 5μg ;

Purity ：A260/A280 1.7-2.0

Product format: Freezed-dried

Storage conditions: 2-8 ℃

Validity period:6 months

Biosafety level: 1

Receiving notice: if any abnormality is found on the day of receipt, please contact customer service within 24 hours; after opening, it should be used up once and cannot be stored. If it is not opened temporarily, it can be stored at -20°C. Please operate in strict accordance with this instruction, otherwise it will cause abnormality, inactivation, etc., and will not provide reissue service

Handling producure:

1. Prepare sterile ddH₂O;

2. Centrifuge the sample tube 12000r /min for 1min, and add the corresponding volume of sterile ddH₂O as required;

3. It can be used normally after a short period of centrifugation after oscillation;