Multi-gene polymerization effect analytic breeding method for increasing lambing number of goats
A litter size and multi-gene technology, which is applied in biochemical equipment and methods, microbial measurement/inspection, DNA/RNA fragments, etc., can solve the problems of long time-consuming, poor selection effect of single gene molecular markers, low breeding efficiency, etc.
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[0076] Example 1 Establishment of PCR-RFLP detection method for GnRHR gene
[0077] (1) Primer design
[0078] According to the goat GnRHR gene sequence (Gene ID: 100860755 on NCBI), a pair of primers was designed using Primer5.0 software. The sequence is as follows:
[0079] GnRHR:
[0080] SEQ ID NO. 4: Upstream primer PCR-F: 5'-TCTTGAAGCTGTATCAGCCATA-3';
[0081] SEQ ID NO. 5: Downstream primer PCR-R: 5'-GTGTTGAAAATTGTGGAGAGTAGA-3'.
[0082] (2) PCR amplification system and program settings
[0083] PCR reaction system: 10μL system contains 1μL of genomic DNA template, 0.2μL of upstream and downstream primers, 5μL TaqDNA polymerase, supplemented to the final volume with deionized double distilled water.
[0084] PCR reaction program: pre-denaturation at 94°C for 2min, 35 cycles (denaturation at 94°C for 30s, annealing at 56°C for 30s, extension at 72°C for 30s), extension at 72°C for 5min, storage at 4°C.
[0085] The PCR reaction product was detected by 2% agarose gel electrophoresis, a...
Example Embodiment
[0102] Example 2 Establishment of PCR-HRM detection method for FSHR gene
[0103] (1) Primer design of high resolution melting curve (HRM)
[0104] According to the goat FSHR gene sequence (Gene ID: 100861291 on NCBI), a pair of primers was designed using Primer5.0 software. The sequence is as follows:
[0105] FSHR:
[0106] SEQ ID NO.6: Upstream primer PCR-F: 5'-TACCAGCTCCCAACGCAGAC-3';
[0107] SEQ ID NO. 7: Downstream primer PCR-R: 5'-GACAGAGTCGATGGTGGCAT-3'.
[0108] (2) High resolution melting curve (HRM) reaction conditions
[0109] Use 55-65°C temperature gradient PCR to know the optimal annealing temperature of primers to obtain specific PCR products to improve the sensitivity of high-resolution melting.
[0110] PCR reaction system (10μL): 1μL of DNA template, 0.3μL of upstream and downstream primers, Dye 5μL, RNase-free water 3.4μL.
[0111] The PCR reaction program is: pre-denaturation at 94°C for 2 minutes, 40 cycles (denaturation at 94°C for 10 seconds, annealing at 60°C for ...
Example Embodiment
[0129] Example 3 Establishment of PCR-RFLP detection method for BMP6 gene
[0130] (1) Primer design
[0131] According to the goat BMP6 gene sequence (Gene ID: 100860793 on NCBI), a pair of primers was designed using Primer5.0 software. The sequence is as follows:
[0132] BMP6:
[0133] SEQ ID NO. 8: Upstream primer PCR-F: 5'-TGTGCCCTCACCTGCTGTCTC-3';
[0134] SEQ ID NO. 9: Downstream primer PCR-R: 5'-CCCGGCCTTCCTCTTTAACTC-3'.
[0135] (2) PCR amplification system and program settings
[0136] PCR reaction system: 10μL system contains 1μL of genomic DNA template, 0.2μL of upstream and downstream primers, 5μL TaqDNA polymerase, supplemented to the final volume with deionized double distilled water.
[0137] PCR reaction program: pre-denaturation at 94°C for 2min, 35 cycles (denaturation at 94°C for 30s, annealing at 59°C for 30s, extension at 72°C for 30s), extension at 72°C for 5min, and storage at 4°C.
[0138] The PCR reaction product was detected by 2% agarose gel electrophoresis, and ...
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