Weiyel Reference Materials
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| Subculture | Nutritional gravy medium (English name: NA/NB): beef paste 3.0g, peptone 10.0g,NaCl 5.0g, agar 20.0g (not included in liquid medium), distilled water 1.0L,pH 7.0. Sterilization at 121 ℃ for 15min. [Note] Adding 5 mgMnSO4 · H2O to culture Bacillus is beneficial to produce spores. |
| Subculturing | This reference does not recommend repeated freezing and thawing. Before use, take it out of the refrigerator, balance to room temperature, mix well, and use it. |
| Growth conditions | Culture temperature 37 ℃; Culture time 18-24 hours; Aerobic gas environment; |
| Storage conditions | -80 ℃ |
| Safety level | 2 |
| Morphology | Colony morphology: colonies formed on DHL agar plate are light pink, large and raised, smooth and moist, mucus-like, and adjacent colonies are easy to melt into pus-like; Microscopic morphology: Gram-negative Brevibacterium, without spores, single, double or short-chain oval or rod-shaped. |
| Application | This reference product is developed by Henan Industrial Microbial Strain Engineering Technology Research Center. It can be used for specific analysis of nucleic acid detection kits, cross-reaction verification, measurement method evaluation and laboratory quality control. |
| Sharing mode | Public welfare sharing |
Streptococcus group A nucleic acid detection standard
BNCC362472
Bacillus subtilis subsp nucleic acid reference (Heat inactivated) (Strongly positive)
BNCC362735
Issatchenkia orientalis nucleic acid reference (Heat inactivated) (Strongly positive)
BNCC364639
Escherichia coli bacteriophage PhiX174 nucleic acid reference (Heat inactivated) (Strongly positive)
BNCC362989
Candida glabrata DNA lab quality control
BNCC363160
Bacillus cereus nucleic acid reference (Heat inactivated) (Strongly positive)
BNCC362731