DNA barcode primers, DNA barcodes, kit and method for rapidly identifying Blastobotrys adeninivorans strain, and applications of DNA barcode primers and DNA barcodes
A technology of eating Arthrophthora adenine and barcode primers, applied in the directions of DNA/RNA fragments, recombinant DNA technology, microorganism-based methods, etc., can solve the problems of lack of Pu'er tea, damage to the economic interests of Pu'er tea production enterprises, etc., to improve identification Accuracy, Ensuring Health and Prosperity, Low-Required Effects
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Embodiment 1
[0068] Example 1: Based on the homology comparison of the sequences amplified with the first, second, and third primer pairs to determine whether the strain to be tested is Arthrospora adenophagous TMCC 70007
[0069] 1. Source of strains: See Table 1 below for information on the selected strains:
[0070] Table 1
[0071]
[0072] In the above table 1, the TMCC 70007 strain was preserved in the China General Microbiological Culture Collection Center (CGMCC) with the preservation number CGMCCNo.8683; the CBS strains were all purchased from the CBS-KNAW Fungal Biodiversity Center, the Netherlands .
[0073] 2. Extract the strain DNA separately: OMEGA E.Z.N.A. TM Yeast DNA Kit D3370-01 (manufactured by OMEGA) was used to extract yeast genomic DNA, and the DNA concentration of the sample was diluted to 0.5 μg / μL with sterilized deionized water.
[0074] 3. To amplify the DNA fragments, use the following 3 pairs of primers respectively to carry out the polymerase chain reac...
Embodiment 2
[0089] Example 2: Using the Phylogenetic Tree Method to Establish Identification Rules to Identify Species
[0090] Using the steps described in Example 1 to obtain the test sequence of the test strain, the TMCC 70007, CBS 8244 T , CBS 8335, CBS 7350 strains and CBS 7370 and CBS 6800 of the species Blastobotrysraffinosifermentans T The strains to be tested were merged using MEGA 5.10 to construct a Neighbor-joining phylogenetic tree based on the Kimura-2-parameter model. The method was the Bootstrap method, and the Bootstrap repeat No. was 1000. If the tested sequence of the tested strain is clustered with the standard sequence of TMCC 70007 (that is, the same branch and the same evolutionary distance), it means that the tested strain is the Pu-erh tea fermentation strain TMCC 70007.
[0091] Such as figure 1 Shown, TMCC 70007, CBS 8244 of Arthrospora adenophagous species T , CBS 8335, CBS 7350 strains and CBS 7370 and CBS 6800 of the species Blastobotrys raffinosifermentan...
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