CN108531658A - A kind of detection method of PEDV and TGEV primer sequences and duplex RT-PCR - Google Patents

A kind of detection method of PEDV and TGEV primer sequences and duplex RT-PCR Download PDF

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CN108531658A
CN108531658A CN201810437946.2A CN201810437946A CN108531658A CN 108531658 A CN108531658 A CN 108531658A CN 201810437946 A CN201810437946 A CN 201810437946A CN 108531658 A CN108531658 A CN 108531658A
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pedv
tgev
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董波
杨小燕
戴爱玲
李晓华
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Longyan University
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Abstract

The invention discloses a kind of primer sequence of the double RT PCR of PEDV and TGEV detections, the primer sequence of the PEDV is sequence 1:ATGCTACAATTAGTGAATG, SEQ ID NO:1 sequence 2:TTATACGTCAATAACAGTAC, SEQ ID NO:2;The primer sequence sequence 3 of the TGEV:TAGACAAACTCGCTATCGCA, SEQ ID NO:3;Sequence 4:TTCTATCTGGTCGCCATCTT, SEQ ID NO:4;Double RT PCR detection methods, include the following steps:Step (1):Total serum IgE is extracted from chitling road tissue sample;Step (2):It is cDNA by the total serum IgE reverse transcription extracted in step (2), carries out PCR reactions using cDNA as template and using primer sequence, obtain PCR product;By PCR product after agarose gel electrophoresis, it is imaged and is taken pictures with the ultraviolet gel imaging system observations of GeL Doc TMXR.By the detection method of double RT PCR in the present invention, and change the response procedures of PCR, detection that can be fast and accurately and the method for telling PEDV and TGEV.

Description

A kind of detection method of PEDV and TGEV primer sequences and duplex RT-PCR
Technical field
The present invention relates to biotechnology, more particularly to a kind of PEDV and TGEV primer sequences and double The detection method of RT-PCR.
Background technology
Porcine epidemic diarrhea virus (porcine epidemic diarrhea virus, PEDV) and pig transmissible stomach and intestine Scorching virus (transmissible gastroenteritis virus, TGEV) is the main pathogen for causing pig virus diarrhoea, Stronger infectiousness is all had, especially most strong with the neurological susceptibility of suckling pig, lethality is high.Two kinds of viruses belong to coronavirus Belong to member, very much like on pathogenic and epidemiology, using vomiting, diarrhea, dehydration as main feature, pathological change is similar, It is clinically not easy to differentiate.Two kinds of viruses easily infect piglet, have similar clinical symptoms, epidemiology and pathological change, and Usually there is mixed infection.Therefore, it relies solely on clinical observation to be difficult to be distinguished, Binding experiment room is needed to diagnose.
In recent years, PEDV is in rising trend in the incidence of multiple provinces and cities of China, be perplex pig breeding industry principal disease it One.Since winter in 2010, PEDV is broken out in more than 10 a provinces and cities of China, and sick pig shows watery diarrhea, chordapsus, vomiting etc. Classical symptom, the death rate is high, causes to inflict heavy losses on to China's pig breeding industry, causes the great attention of pig breeding industry.The master of current epidemic situation Original of causing a disease is PEDV, however, also isolating TGEV out of some sick dead pig bodies.
Therefore, research it is a kind of efficiently, efficiently diagnostic techniques come distinguish PEDV and TGEV be those skilled in the art there is an urgent need for It solves the problems, such as.
Invention content
In view of this, the present invention provides it is a kind of according to PEDV E gene orders and TGEV N genes separately design PEDV and The primer of TGEV, by using duplex RT-PCR detection method can efficiently, efficiently tell PEDV and TGEV.
To achieve the goals above, the present invention adopts the following technical scheme that:A kind of duplex RT-PCR inspection of PEDV and TGEV The primer sequence of survey,
The primer sequence of PEDV is sequence 1:ATGCTACAATTAGTGAATG, SEQ ID NO:1;Sequence 2: TTATACGTCAATAACAGTAC, SEQ ID NO:2;
The primer sequence sequence 3 of TGEV:TAGACAAACTCGCTATCGCA, SEQ ID NO:3;Sequence 4: TTCTATCTGGTCGCCATCTT, SEQ ID NO:4.
Preferably, the primer sequence of PEDV and TGEV is obtained according to PEDV E gene orders and the design of TGEV N genes.
The present invention also provides a kind of double PT-PCR detection methods for PEDV and TGEV, which is characterized in that including with Lower step:
Step (1):Total serum IgE is extracted from chitling road tissue sample;
Step (2):It is cDNA by the total serum IgE reverse transcription extracted in step (2), primer sequence as template and is used using cDNA PCR reactions are carried out, PCR product is obtained;By PCR product after agarose gel electrophoresis, with the ultraviolet gels of GeL Doc TMXR at It is observed as system and is imaged and takes pictures.
Advantageous effect of the present invention:It is separately designed by using according to PEDV E gene orders and TGEV N genes in the present invention The primer sequence of PEDV and TGEV by the detection method of double PT-PCR, and changes the response procedures of PCR, obtains one kind Detection that can be fast and accurately and the method for telling PEDV and TGEV.
Preferably, PCR response procedures described in step (3) are 90 DEG C of -95 DEG C of pre-degeneration 2-3min;92 DEG C of -95 DEG C of denaturation 26-32s;48 DEG C of -62 DEG C of annealing 26-30s;70 DEG C of -73 DEG C of extension 1-3min;Totally 35 cycles;Last 70 DEG C -73 DEG C of extension 6- 10min;In 3 DEG C of -5 DEG C of preservations.
Preferably, PCR response procedures described in step (3) are 94 DEG C of pre-degeneration 3min;94 DEG C of denaturation 30s;58.1 DEG C moving back Fiery 30s;72 DEG C of extension 1min;Totally 35 cycles;Last 72 DEG C of extensions 7min;In 4 DEG C of -5 DEG C of preservations.
Preferably, chitling road tissue sample described in step (2) is selected from swine excrement and small intestine.
Preferably, agarose gel described in step (3) is the agarose gel of 1%-3%, and the electrophoretic voltage is 110V, electricity The swimming time is 30-35min.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of pig epidemics The detection method with transmissible gastroenteritis of swine duplex RT-PCR is rushed down, is reacted by PCR by using two kinds of primers in the present invention, Efficiently, PEDV and TGEV are efficiently told.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawings are electrophoretogram of the PCR product through Ago-Gel in embodiment 1-8 in the present invention;
Fig. 2 attached drawings are electrophoretogram of the PCR product through Ago-Gel in comparative example 1 in the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of double PT-PCR detection methods for PEDV and TGEV.
Embodiment 1
For the duplex RT-PCR detection method of PEDV and TGEV, include the following steps:
Step (1):It is as follows that PEDV primer sequences are designed according to PEDV E gene orders:The primer sequence of PEDV is sequence 1: ATGCTACAATTAGTGAATG, SEQ ID NO:1;Sequence 2:TTATACGTCAATAACAGTAC, SEQ ID NO:2;
It is as follows that TGEV primer sequences are designed according to TGEV N genes:The primer sequence of TGEV is sequence 3: TAGACAAACTCGCTATCGCA, SEQ ID NO:3;Sequence 4:TTCTATCTGGTCGCCATCTT, SEQ ID NO:4;
Step (2):Using RNA Miniprep Kits, total serum IgE is extracted from pig intestinal tissue;
Step (3):It is cDNA by the total serum IgE reverse transcription extracted in step (2), carries out PCR reactions by template of cDNA, obtain Obtain PCR product;PCR response procedures are 94 DEG C of pre-degeneration 3min;94 DEG C of denaturation 30s;48.0 DEG C of annealing 30s;72 DEG C of extension 1min; Totally 35 cycles;Last 72 DEG C of extensions 7min;It is preserved at 4 DEG C.PCR product is passed through into agarose gel electrophoresis in the case where voltage is 110V After 35min, it is imaged and is taken pictures with the ultraviolet gel imaging system observations of GeL Doc TMXR.
Embodiment 2
For the double PT-PCR detection methods of PEDV and TGEV, include the following steps:
Step (1):It is as follows that PEDV primer sequences are designed according to PEDV E gene orders:The primer sequence of PEDV is sequence 1: ATGCTACAATTAGTGAATG, SEQ ID NO:1;Sequence 2:TTATACGTCAATAACAGTAC, SEQ ID NO:2;
It is as follows that TGEV primer sequences are designed according to TGEV N genes:The primer sequence of TGEV is sequence 3: TAGACAAACTCGCTATCGCA, SEQ ID NO:3;Sequence 4:TTCTATCTGGTCGCCATCTT, SEQ ID NO:4;
Step (2):Using RNA Miniprep Kits, total serum IgE is extracted from pig intestinal tissue;
Step (3):It is cDNA by the total serum IgE reverse transcription extracted in step (2), carries out PCR reactions by template of cDNA, obtain Obtain PCR product;PCR response procedures are 94 DEG C of pre-degeneration 3min;94 DEG C of denaturation 30s;50.1 DEG C of annealing 30s;72 DEG C of extension 1min; Totally 35 cycles;Last 72 DEG C of extensions 7min;It is preserved at 4 DEG C.PCR product is passed through into agarose gel electrophoresis in the case where voltage is 110V After 35min, it is imaged and is taken pictures with the ultraviolet gel imaging system observations of GeL Doc TMXR.
Embodiment 3
For the duplex RT-PCR detection method of PEDV and TGEV, include the following steps:
Step (1):It is as follows that PEDV primer sequences are designed according to PEDV E gene orders:The primer sequence of PEDV is sequence 1: ATGCTACAATTAGTGAATG, SEQ ID NO:1;Sequence 2:TTATACGTCAATAACAGTAC, SEQ ID NO:2;
It is as follows that TGEV primer sequences are designed according to TGEV N genes:The primer sequence of TGEV is sequence 3: TAGACAAACTCGCTATCGCA, SEQ ID NO:3;Sequence 4:TTCTATCTGGTCGCCATCTT, SEQ ID NO:4;
Step (2):Using RNA Miniprep Kits, total serum IgE is extracted from pig intestinal tissue;
Step (3):It is cDNA by the total serum IgE reverse transcription extracted in step (2), carries out PCR reactions by template of cDNA, obtain Obtain PCR product;PCR response procedures are 94 DEG C of pre-degeneration 3min;94 DEG C of denaturation 30s;51.7 DEG C of annealing 30s;72 DEG C of extension 1min; Totally 35 cycles;Last 72 DEG C of extensions 7min;It is preserved at 4 DEG C.PCR product is passed through into agarose gel electrophoresis in the case where voltage is 110V After 35min, it is imaged and is taken pictures with the ultraviolet gel imaging system observations of GeL Doc TMXR.
Embodiment 4
For the duplex RT-PCR detection method of PEDV and TGEV, include the following steps:
Step (1):It is as follows that PEDV primer sequences are designed according to PEDV E gene orders:The primer sequence of PEDV is sequence 1: ATGCTACAATTAGTGAATG, SEQ ID NO:1;Sequence 2:TTATACGTCAATAACAGTAC, SEQ ID NO:2;
It is as follows that TGEV primer sequences are designed according to TGEV N genes:The primer sequence of TGEV is sequence 3: TAGACAAACTCGCTATCGCA, SEQ ID NO:3;Sequence 4:TTCTATCTGGTCGCCATCTT, SEQ ID NO:4;
Step (2):Using RNA Miniprep Kits, total serum IgE is extracted from pig intestinal tissue;
Step (3):It is cDNA by the total serum IgE reverse transcription extracted in step (2), carries out PCR reactions by template of cDNA, obtain Obtain PCR product;PCR response procedures are 94 DEG C of pre-degeneration 3min;94 DEG C of denaturation 30s;53.7 DEG C of annealing 30s;72 DEG C of extension 1min; Totally 35 cycles;Last 72 DEG C of extensions 7min;It is preserved at 4 DEG C.PCR product is passed through into agarose gel electrophoresis in the case where voltage is 110V After 35min, it is imaged and is taken pictures with the ultraviolet gel imaging system observations of GeL Doc TMXR.
Embodiment 5
For the duplex RT-PCR detection method of PEDV and TGEV, include the following steps:
Step (1):It is as follows that PEDV primer sequences are designed according to PEDV E gene orders:The primer sequence of PEDV is sequence 1: ATGCTACAATTAGTGAATG, SEQ ID NO:1;Sequence 2:TTATACGTCAATAACAGTAC, SEQ ID NO:2;
It is as follows that TGEV primer sequences are designed according to TGEV N genes:The primer sequence sequence 3 of TGEV: TAGACAAACTCGCTATCGCA, SEQ ID NO:3;Sequence 4:TTCTATCTGGTCGCCATCTT, SEQ ID NO:4;
Step (2):Using RNA Miniprep Kits, total serum IgE is extracted from pig intestinal tissue;
Step (3):It is cDNA by the total serum IgE reverse transcription extracted in step (2), carries out PCR reactions by template of cDNA, obtain Obtain PCR product;PCR response procedures are 94 DEG C of pre-degeneration 3min;94 DEG C of denaturation 30s;56.0 DEG C of annealing 30s;72 DEG C of extension 1min; Totally 35 cycles;Last 72 DEG C of extensions 7min;It is preserved at 4 DEG C.PCR product is passed through into agarose gel electrophoresis in the case where voltage is 110V After 35min, it is imaged and is taken pictures with the ultraviolet gel imaging system observations of GeL Doc TMXR.
Embodiment 6
For the duplex RT-PCR detection method of PEDV and TGEV, include the following steps:
Step (1):It is as follows that PEDV primer sequences are designed according to PEDV E gene orders:The primer sequence of PEDV is sequence 1: ATGCTACAATTAGTGAATG, SEQ ID NO:1;Sequence 2:TTATACGTCAATAACAGTAC, SEQ ID NO:2;
It is as follows that TGEV virus primer sequences are designed according to TGEV N genes:The primer sequence of TGEV viruses is sequence 3: TAGACAAACTCGCTATCGCA, SEQ ID NO:3;Sequence 4:TTCTATCTGGTCGCCATCTT, SEQ ID NO:4;
Step (2):Using RNA Miniprep Kits, total serum IgE is extracted from pig intestinal tissue;
Step (3):It is cDNA by the total serum IgE reverse transcription extracted in step (2), carries out PCR reactions by template of cDNA, obtain Obtain PCR product;PCR response procedures are 94 DEG C of pre-degeneration 3min;94 DEG C of denaturation 30s;58.1 DEG C of annealing 30s;72 DEG C of extension 1min; Totally 35 cycles;Last 72 DEG C of extensions 7min;It is preserved at 4 DEG C.PCR product is passed through into agarose gel electrophoresis in the case where voltage is 110V After 35min, it is imaged and is taken pictures with the ultraviolet gel imaging system observations of GeL Doc TMXR.
Embodiment 7
For the duplex RT-PCR detection method of PEDV and TGEV, include the following steps:
Step (1):It is as follows that PEDV primer sequences are designed according to PEDV E gene orders:The primer sequence of PEDV is sequence 1: ATGCTACAATTAGTGAATG, SEQ ID NO:1;Sequence 2:TTATACGTCAATAACAGTAC, SEQ ID NO:2;
It is as follows that TGEV primer sequences are designed according to TGEV N genes:The primer sequence of TGEV is sequence 3: TAGACAAACTCGCTATCGCA, SEQ ID NO:3;Sequence 4:TTCTATCTGGTCGCCATCTT, SEQ ID NO:4;
Step (2):Using RNA Miniprep Kits, total serum IgE is extracted from pig intestinal tissue;
Step (3):It is cDNA by the total serum IgE reverse transcription extracted in step (2), carries out PCR reactions by template of cDNA, obtain Obtain PCR product;PCR response procedures are 94 DEG C of pre-degeneration 3min;94 DEG C of denaturation 30s;60.9 DEG C of annealing 30s;72 DEG C of extension 1min; Totally 35 cycles;Last 72 DEG C of extensions 7min;It is preserved at 4 DEG C.PCR product is passed through into agarose gel electrophoresis in the case where voltage is 110V After 35min, it is imaged and is taken pictures with the ultraviolet gel imaging system observations of GeL Doc TMXR.
Embodiment 8
For the duplex RT-PCR detection method of PEDV and TGEV, include the following steps:
Step (1):It is as follows that PEDV primer sequences are designed according to PEDV E gene orders:The primer sequence of PEDV is sequence 1: ATGCTACAATTAGTGAATG, SEQ ID NO:1;Sequence 2:TTATACGTCAATAACAGTAC, SEQ ID NO:2;
It is as follows that TGEV virus primer sequences are designed according to TGEV N genes:The primer sequence of TGEV is sequence 3: TAGACAAACTCGCTATCGCA, SEQ ID NO:3;Sequence 4:TTCTATCTGGTCGCCATCTT, SEQ ID NO:4;
Step (2):Using RNA Miniprep Kits, total serum IgE is extracted from pig intestinal tissue;
Step (3):It is cDNA by the total serum IgE reverse transcription extracted in step (2), carries out PCR reactions by template of cDNA, obtain Obtain PCR product;PCR response procedures are 94 DEG C of pre-degeneration 3min;94 DEG C of denaturation 30s;62.0 DEG C of annealing 30s;72 DEG C of extension 1min; Totally 35 cycles;Last 72 DEG C of extensions 7min;It is preserved at 4 DEG C.PCR product is passed through into agarose gel electrophoresis in the case where voltage is 110V After 35min, it is imaged and is taken pictures with the ultraviolet gel imaging system observations of GeL Doc TMXR.
Attached drawing 2 is the electrophoretogram of embodiment 1-8, from attached drawing 2 it can be seen that in the range of 53.7 DEG C -62.0 DEG C, energy Enough preferably to detect two kinds of viruses, band when from electrophoresis it can be seen from the figure that at 58.1 DEG C is most clearly, therefore, most preferably Annealing temperature is 58.1 DEG C.
Comparative example 1
Step (1):It is as follows that PEDV primer sequences are designed according to PEDV E gene orders:The primer sequence of PEDV is sequence 1: ATGCTACAATTAGTGAATG, SEQ ID NO:1;Sequence 2:TTATACGTCAATAACAGTAC, SEQ ID NO:2;
It is as follows that TGEV primer sequences are designed according to TGEV N genes:The primer sequence of TGEV is sequence 3: TAGACAAACTCGCTATCGCA, SEQ ID NO:3;Sequence 4:TTCTATCTGGTCGCCATCTT, SEQ ID NO:4;
Step (2):Using RNA Miniprep Kits, from the pig intestinal tissue of infection TGEV, PEDV, HCV, PRV and RV Middle extraction total serum IgE;
Step (3):It is cDNA by the total serum IgE reverse transcription extracted in step (2), carries out PCR reactions by template of cDNA, obtain Obtain PCR product;PCR response procedures are 94 DEG C of pre-degeneration 3min;94 DEG C of denaturation 30s;58.1 DEG C of annealing 30s;72 DEG C of extension 1min; Totally 35 cycles;Last 72 DEG C of extensions 7min;It is preserved at 4 DEG C.PCR product is passed through into agarose gel electrophoresis in the case where voltage is 110V After 35min, it is imaged and is taken pictures with the ultraviolet gel imaging system observations of GeL Doc TMXR.
Attached drawing 2 is the electrophoretogram of comparative example 1, and 1-5 is respectively TGEV, PEDV, HCV, PRV and RV, as seen from the figure, two kinds Primer TGEV that can be detected and PEDV, and HCV, PRV and RV in comparative example 1 can not be examined in the accompanying drawings without band Measure its virus.
Pattern detection
The 135 parts of doubtful intestine of young pigs tissue samples with PEDV and TGEV that will be collected in January, 2014 in December, 2016 Piece total serum IgE, be respectively adopted conventional RT-PCR be the duplex PCR detection method in control group and embodiment 6 be test group detection PEDV and TGEV.As a result such as table 1
Table 1
By in table 1, it can be deduced that the sample detected using embodiment 6 optimal in the present invention is more accurate, and uses Conventional method can not detect the virus of PEDV and TGEV mixing.Show the detection method high sensitivity in the present invention.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For device disclosed in embodiment For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is said referring to method part It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest range caused.
Sequence table
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Claims (7)

1. a kind of primer sequence of the duplex RT-PCR detection of PEDV and TGEV, which is characterized in that
The primer sequence of the PEDV is sequence 1:ATGCTACAATTAGTGAATG, SEQ ID NO:1;Sequence 2: TTATACGTCAATAACAGTAC, SEQ ID NO:2;
The primer sequence of the TGEV is sequence 3:TAGACAAACTCGCTATCGCA, SEQ ID NO:3;Sequence 4: TTCTATCTGGTCGCCATCTT, SEQ ID NO:4.
2. the primer sequence of the duplex RT-PCR detection of PEDV and TGEV according to claim 1, which is characterized in that described The primer sequence of PEDV and TGEV is obtained according to PEDV E gene orders and the design of TGEV N genes.
3. a kind of duplex RT-PCR detection method for PEDV and TGEV, which is characterized in that include the following steps:
Step (1):Total serum IgE is extracted from chitling road tissue sample;
Step (2):It is cDNA by the total serum IgE reverse transcription extracted in step (2), using cDNA as template and using claim 1-2 Any one of obtain primer sequence carry out PCR reactions, obtain PCR product;By PCR product after agarose gel electrophoresis, use The ultraviolet gel imaging system observations of GeL Doc TMXR are imaged and take pictures.
4. a kind of duplex RT-PCR detection method for PEDV and TGEV according to claim 3, which is characterized in that step Suddenly PCR response procedures described in (3) are 90 DEG C of -95 DEG C of pre-degeneration 2-3min;92 DEG C of -95 DEG C of denaturation 26-32s;48 DEG C -62 DEG C are moved back Fiery 26-30s;70 DEG C of -73 DEG C of extension 1-3min;Totally 35 cycles;Last 70 DEG C -73 DEG C of extension 6-10min;In 3 DEG C of -5 DEG C of guarantors It deposits.
5. a kind of duplex RT-PCR detection method for PEDV and TGEV according to claim 3 or 4, feature exist In PCR response procedures described in step (3) are 94 DEG C of pre-degeneration 3min;94 DEG C of denaturation 30s;58.1 DEG C of annealing 30s;72 DEG C are prolonged Stretch 1min;Totally 35 cycles;Last 72 DEG C of extensions 7min;In 4 DEG C of -5 DEG C of preservations.
6. a kind of duplex RT-PCR detection method for PEDV and TGEV according to claim 3 or 4, feature exist In chitling road tissue sample described in step (2) is selected from swine excrement and small intestine.
7. a kind of duplex RT-PCR detection method for PEDV and TGEV according to claim 3 or 4, feature exist In agarose gel described in step (3) is the agarose gel of 1%-3%, and the electrophoretic voltage is 110V, electrophoresis time 30- 35min。
CN201810437946.2A 2018-05-09 2018-05-09 A kind of detection method of PEDV and TGEV primer sequences and duplex RT-PCR Pending CN108531658A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109097499A (en) * 2018-09-19 2018-12-28 浙江农林大学 It is a kind of for detecting the dual fluorescence quantification RT-PCR detection kit of PEDV-TGEV nucleic acid
CN109825649A (en) * 2019-04-09 2019-05-31 广西大学 Porcine epidemic diarrhea virus G1/G2 type RT-PCR diagnostic primers group and its diagnostic kit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102277454A (en) * 2011-08-22 2011-12-14 浙江省农业科学院 Primers, probes and assay kit for detecting transmissible gastroenteritis viruses and porcine epidemic diarrhea viruses
CN103952496A (en) * 2014-04-11 2014-07-30 上海交通大学 Duplex PCR method for detecting porcine transmissible gastroenteritis virus and porcine epidemic diarrhea virus
CN104152578A (en) * 2013-06-03 2014-11-19 中国农业科学院上海兽医研究所 RT-PCR kit for identification and diagnosis of porcine epidemic diarrhea virus and application of RT-PCR kit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102277454A (en) * 2011-08-22 2011-12-14 浙江省农业科学院 Primers, probes and assay kit for detecting transmissible gastroenteritis viruses and porcine epidemic diarrhea viruses
CN104152578A (en) * 2013-06-03 2014-11-19 中国农业科学院上海兽医研究所 RT-PCR kit for identification and diagnosis of porcine epidemic diarrhea virus and application of RT-PCR kit
CN103952496A (en) * 2014-04-11 2014-07-30 上海交通大学 Duplex PCR method for detecting porcine transmissible gastroenteritis virus and porcine epidemic diarrhea virus

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
SEONG-JUN PARK等: "Molecular epidemiology and phylogenetic analysis of porcine epidemic diarrhea virus (PEDV) field isolates in Korea", 《ARCH VIROL》 *
王隆柏等: "猪流行性腹泻病毒E和M基因的遗传变异分析", 《中国畜牧兽医学会动物传染病学分会第十六次学术研讨会论文集》 *
董波等: "猪流行性腹泻和猪传染性胃肠炎二重RT-PCR检测方法的建立及应用", 《黑龙江畜牧兽医》 *
闫若潜等: "猪传染性胃肠炎与流行性腹泻病毒二重RT-PCR检测方法的建立及应用", 《中国畜牧兽医》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109097499A (en) * 2018-09-19 2018-12-28 浙江农林大学 It is a kind of for detecting the dual fluorescence quantification RT-PCR detection kit of PEDV-TGEV nucleic acid
CN109825649A (en) * 2019-04-09 2019-05-31 广西大学 Porcine epidemic diarrhea virus G1/G2 type RT-PCR diagnostic primers group and its diagnostic kit

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Application publication date: 20180914