CN111518928A - TaqMan probe quantitative detection method for detecting vibrio harveyi and corresponding kit - Google Patents

TaqMan probe quantitative detection method for detecting vibrio harveyi and corresponding kit Download PDF

Info

Publication number
CN111518928A
CN111518928A CN201911236852.XA CN201911236852A CN111518928A CN 111518928 A CN111518928 A CN 111518928A CN 201911236852 A CN201911236852 A CN 201911236852A CN 111518928 A CN111518928 A CN 111518928A
Authority
CN
China
Prior art keywords
vibrio harveyi
detection
taqman probe
detecting
gene
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911236852.XA
Other languages
Chinese (zh)
Inventor
唐伟
杨荣
束浩然
黄斌
蒋华
束文圣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Magigene Technology Co ltd
Original Assignee
Guangdong Magigene Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Magigene Technology Co ltd filed Critical Guangdong Magigene Technology Co ltd
Priority to CN201911236852.XA priority Critical patent/CN111518928A/en
Publication of CN111518928A publication Critical patent/CN111518928A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12QMEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/68Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
    • C12Q1/6876Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes
    • C12Q1/6888Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for detection or identification of organisms
    • C12Q1/689Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for detection or identification of organisms for bacteria
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12QMEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/68Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
    • C12Q1/6844Nucleic acid amplification reactions
    • C12Q1/686Polymerase chain reaction [PCR]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Analytical Chemistry (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Immunology (AREA)
  • Molecular Biology (AREA)
  • Biotechnology (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)

Abstract

The invention discloses a TaqMan probe quantitative detection method for detecting Vibrio harveyi and a corresponding kit. The invention skillfully applies specific gene detection to distinguish the vibrio harveyi and other species of strains, and obtains accurate genus information through comprehensive judgment. Compared with the existing mainstream detection kit, the kit for detecting the vibrio harveyi has the advantages of high sensitivity, rapidness, convenience, good specificity, rigorous and accurate judgment and the like, and has good application prospect and market value.

Description

TaqMan probe quantitative detection method for detecting vibrio harveyi and corresponding kit
Technical Field
The invention relates to the technical field of molecular biology, in particular to a method for carrying out TaqMan probe quantitative detection on Vibrio harveyi through specific genes and a corresponding detection kit.
Background
Vibrio harveyi (Vibrio harveyi) belongs to the family Vibrionaceae (Vibrionaceae) and Vibrio (Vibrio). Widely distributed in marine environments, it is an important pathogenic bacteria of aquaculture animals that has been recognized for over the last 10 years. Vibrio harveyi is an important pathogenic bacterium for culturing prawns in Indonesia, Thailand, India, Australia, Ecuador, China and other countries and regions, and is also a pathogenic bacterium for culturing fishes.
Vibrio harveyi is gram-negative, luminous marine bacteria, is short rod-shaped, has straight or slightly bent thalli, two blunt ends, is not capsulated, does not form spores, can move in an extreme single flagellum, exists singly, rarely has two or chain-shaped arrangements, and has the size of 0.5-0.9 Mum multiplied by 1.1-1.9 Mum. The strain does not grow in a salt-free culture medium, well grows on a salt-containing nutrient agar plate, is circular and smooth, has neat edges, slightly bulges and flashes after being cultured for 24 hours at the temperature of 28 ℃, is yellow on a TCBS plate, and cannot grow below 4 ℃ and above 40 ℃.
Extracellular products (ECP) of vibrio harveyi have pathogenicity, and extracellular proteases, lipopolysaccharides, phospholipases or hemolysins secreted therefrom play an important role in the pathogenicity of shrimps and fishes and damage host tissue organs and the like. The shrimp with strong susceptibility includes Penaeus chinensis, Penaeus vannamei Boone larva, Penaeus elongatus and Penaeus japonicus adult shrimp, and the fish includes Perch, grouper, mullet, rainbow trout, Pseudosciaena crocea, and turbot.
After Vibrio harveyi infection, no effective method is available for treatment at present, and the possibility of preventing and controlling outbreak of the disease can be achieved only by strengthening epidemic disease monitoring and quarantine. Through a large amount of research, scholars at home and abroad establish a series of detection methods for vibrio harveyi, such as a histopathological anatomy method, an electron microscope observation method, a Leeb's liquid thioglycolate culture method, a PCR detection method and a LAMP method. However, the first three methods are complex in operation, long in time consumption and low in detection sensitivity, and only can diagnose the prawns with obvious morbidity; although the PCR detection method has accurate result, the detection time is long, the operation is complex, quantification cannot be realized, and the method is difficult to popularize and apply in production; although the LAMP method has short detection time, the false positive is high, and the requirement of accurate detection cannot be met.
The invention provides a method for quantitatively, quickly and real-timely monitoring vibrio harveyi, which aims to overcome the defect that vibrio harveyi is monitored at present
Disclosure of Invention
One of the purposes of the invention is to provide a TaqMan probe quantitative detection method for detecting Vibrio harveyi, which can quantitatively, rapidly and real-timely detect Vibrio harveyi and make the detection of Vibrio harveyi more accurate, sensitive, rapid and safe.
Specifically, the method comprises the following steps:
s1, collecting a sample;
s2, extracting genome DNA;
s3, quantitatively detecting the specific gene ToxR gene of the vibrio harveyi by using a TaqMan probe;
s4, reading the Ct value of the amplification; when the Ct value of the specific gene ToxR of the vibrio harveyi is less than 35, the detection result of the vibrio harveyi is positive; and when the Ct value of the specific gene ToxR of the Vibrio harveyi is more than 35, the detection result of the Vibrio harveyi is negative.
As a preferred technical scheme, the step S2 further comprises the step of designing a detection primer and a TaqMan probe of the ToxR gene.
As a preferred technical scheme, a detection primer of the vibrio harveyi specific gene ToxR gene is shown as SEQID NO: 1-2;
SEQ ID NO:1(5'-AGAGCCCACTGCTGAGACAAA-3');
SEQ ID NO:2(5'-CAGGTGCAGATTTTAATGGTTGAG-3')。
the probe sequence is shown as SEQ ID NO. 3;
SEQ ID NO:3(5'-FAM-AGAAACAGCCGTCGAACAAGCACCG-BHQ1-3)。
as a preferred technical scheme, the reaction system of the fluorescent quantitative PCR detection is 25 ul, and comprises 12.5 ul of 2 × TaqPCR Mix, 1 ul of total 10uM Primers Mix, 0.5 ul of TaqMan probe,DNA input 2μl,H2O 9μl。
as a preferred technical scheme, the reaction conditions of the fluorescent quantitative PCR detection are denaturation at 95 ℃ for 2min30s, annealing at 94 ℃ for 15s, annealing at 60 ℃ for 30s, collecting fluorescent signals and performing 40 cycles.
The invention also aims to provide a TaqMan probe quantitative detection kit for detecting the Vibrio harveyi, which comprises a detection primer of the specific gene ToxR gene of the Vibrio harveyi and a TaqMan primer probe.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, the orphan gene capable of distinguishing the vibrio harveyi and the specificity of other species of strains is excavated from a large amount of early-stage research data on the vibrio harveyi and other species of strains, whether other species of positive samples and environmental samples contain the vibrio harveyi is accurately judged by detecting the specificity gene, the early-stage big data mining and the comparison between different species are provided, and the selected specificity gene has the specificity of species and genus.
(2) In the invention, by optimizing the design conditions and the experimental conditions, the primer which is optimized for the toxR gene detection amplification conditions is selected as the detection primer, so that the amplification efficiency of the primer is improved, the detection primer with stability, high efficiency, high sensitivity and reproducibility can be achieved, and the trace sample can be correctly detected.
(3) Compared with other detection methods in the market, the detection strategy of the invention can intuitively judge the infection of the vibrio harveyi and the infection of other strains, and the result is more rigorous and accurate.
(4) The detection method can be applied to screening and detecting the culture water body sample or litopenaeus vannamei and other multi-aspect source samples, accurately judges whether the culture water body sample contains the vibrio harveyi, and is convenient, rapid and sensitive to operate. The detection kit can be applied to the rapid detection of various culture samples without additional microbial culture, so that the gene detection is applied to the detection of culture water and daily life, and has the advantages of high sensitivity, strong operability, rapidness, high efficiency and the like.
Drawings
FIG. 1 illustrates a standard curve of primers for detecting ToxR gene.
FIG. 2 is a graph showing the amplification curve of the ToxR gene in example 1.
FIG. 3 is a curve of amplification of the ToxR gene in example 2.
FIG. 4 is an amplification curve of the specific experimental toxR gene in example 3.
FIG. 5 is an amplification curve of the toxR gene of sample 1 at the breeding ground in example 4.
Detailed Description
In order to clearly understand the technical contents of the present invention, the following embodiments are described in detail with reference to the accompanying drawings. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Experimental procedures without specific conditions noted in the following examples, generally followed by conventional conditions, such as Sambrook et al, molecular cloning: the conditions described in the Laboratory Manual (New York: Cold Spring Harbor Laboratory Press,1989), or according to the manufacturer's recommendations. The various chemicals used in the examples are commercially available.
The following reagents used in the present invention can be purchased from conventional sources.
TABLE 1
Name (R) Brand Model number Specification of
Healthy litopenaeus vannamei Zhanjiang certain farm 100g
Vibrio harveyi ATCC Freezing
Cryptocaryon irritans Certain aquatic product promotion station Freezing
Vibrio vulnificus ATCC Freezing
Vibrio parahaemolyticus ATCC Freezing
Streptococcus agalactiae ATCC 244793 Freezing
Edwardsiella tarda ATCC 8117 Freezing
QIAamp DNA Mini Kit Qiagen 51304 50 reactions
QIA group GE extraction of mi test d M dose id box i Kit from Pl group N QIAGEN 12145 100 reactions
Quantitative test P agent C box R premixed reaction liquid for Taq PCR Mix fluorescent particle light extraction TaKaRa RR391 200 reactions
Peptone yeast extract agar Sigma 7A 7196- 500 g
In some embodiments, positive standard plasmids are constructed using the amplification products, and the amplification standard curve of the primers is detected and plotted to obtain the amplification efficiency of the detection primers, and the amplification efficiency and the confidence degree of the primer sequences provided by the invention are optimized.
In some embodiments, by detecting specific genes for different strains, samples infected by Vibrio harveyi and samples of other species can be correctly distinguished, thereby accurately detecting and judging Vibrio harveyi.
In some embodiments, pure water, Vibrio harveyi samples, culture base samples and culture water samples are collected, and whether the samples contain Vibrio harveyi can be quickly and accurately detected through the detection of specific genes, so that the method is convenient and quick.
It will be appreciated by those skilled in the art that the genes to be detected and the specific primers to be designed in the method can be designed to achieve the corresponding detection purpose by designing other sections of the same detection object.
The method and the kit for detecting the Vibrio harveyi TaqMan probe quantitative detection can be widely applied to a plurality of inspection and quarantine categories such as the detection of a Litopenaeus vannamei sample and the detection of a culture base, and can provide a convenient, quick, accurate and efficient gene detection-based monitoring product for the culture, propagation and the like of the Litopenaeus vannamei.
Example 1 Standard Curve for primer amplification detection and plasmid sensitivity test
1. Cultivation of microorganisms
LB medium was used as the medium for Vibrio harveyi plasmid, and the growth was good in the plate with pH7.0-7.4. The colony diameter on the plate is 2mm, round, smooth and transparent. And selecting a microorganism sample with vigorous growth for subsequent experiments.
2. Genomic DNA extraction
Extraction of genomic DNA was performed as indicated in the QIAamp DNAMini Kit instruction by Qiagen.
3. Standard quality particle preparation of amplification product
DNA extracted from Vibrio harveyi is used, amplification is carried out with primers for the ToxR gene, the amplification product is treated with A, T4 ligase is used for ligation into T vector, and plasmid is amplified on a large scale after transduction of competent cells. The primer sequence and TaqMan probe sequence of the ToxR gene are shown in SEQ ID NO 1-3, and are specifically shown in Table 2.
TABLE 2
Figure BDA0002305121570000071
4. Plasmid extraction and Standard Curve gradient configuration
Amplification of coated plates separatelyCloning bacteria as standard substance of primer amplification product corresponding to ToxR gene, collecting monoclonal bacterial plaque, culturing and shaking bacteria via LB to amplify overnight, finally obtaining plasmid positive bacterial strain in exponential growth phase of 5ml, extracting plasmid DNA according to QIAGENPismid Midi Kit instruction, detecting plasmid DNA concentration after extraction, and configuring 7 standard substances with concentration gradient of 1 fg/mu L and 1 × 10 by 10-fold dilution method1fg/μL,1×102fg/μL,1×103fg/μL,1×104fg/μL, 1×105fg/μL,1×106fg/μL。
5. Drawing a standard curve of the detection primer
And performing q-PCR amplification of a concentration gradient standard curve according to the instruction of TaKaRa Taq PCR Mix instruction, and drawing a corresponding amplification curve to obtain the amplification efficiency of the primer. 3 biological replicates and 3 technical replicates were set for each q-PCR reaction, the q-PCR reaction system and amplification reaction conditions are shown in Table 3, and the standard curve is plotted as shown in FIG. 1.
TABLE 3
Figure BDA0002305121570000081
6. Analysis of results
The result of the standard curve for detecting primer amplification shows that the primers corresponding to the toxR gene are optimized primer design and reaction systems. Linear standard curve confidence R2>0.990, the primer design and the reaction system were proved to be the optimal state, the standard deviation and the coefficient of variation of the amplification curve of the toxR gene and the amplification efficiency under 7 concentration gradients were both satisfied with the requirements of the optimal state, the primers could satisfy the detection requirements under the reaction conditions, which indicated that the method had high plasmid sensitivity, and the coefficient of variation between CT values measured by 3 technical repeat experiments was less than 5.0%, which proved that the method had high reproducibility, the detection results were shown in Table 4 and FIG. 2, FIG. 2 is the amplification curve of the toxR gene at different plasmid concentrations, the concentration of the amplification curve from left to right was 1 × 10 in sequence6fg/μL,1×105fg/μL,1×104fg/μL,1×103fg/μL,1×102fg/μL,1×101fg/μL, 1×100fg/μL。
TABLE 4
Figure BDA0002305121570000091
Example 2 plasmid reproducibility test
1. Cultivation of microorganisms
The same as in example 1.
2. Genomic DNA extraction
The same as in example 1.
3. q-PCR detection of target genes
The q-PCR amplification of the samples was performed according to the instructions of TaKaRa Taq PCR Mix, and Ct values corresponding to the primers were read.2 concentrations were set for the q-PCR reaction of this experiment, 1 × 106fg/. mu.L and 1 × 105fg/. mu.L, 4 biological replicates and 5 technical replicates per concentration, respectively, and the q-PCR reaction system and amplification reaction conditions are shown in Table 5.
TABLE 5
Figure BDA0002305121570000101
Figure BDA0002305121570000111
4. Analysis of results
In this example, it is analyzed that the correlation coefficient and reliability of the amplification curve of the ToxR gene and the amplification efficiency under 2 concentrations all meet the requirements of the optimal state, and the primer can satisfy the detection requirements under the reaction conditions. The detection results are shown in table 6 and fig. 3, 4 groups are set for each concentration condition, each group is repeatedly measured for 5 times, and the measurement results show that the coefficient of variation is less than 5 percent, which proves that the method has good repeatability and high stability.
TABLE 6
Figure BDA0002305121570000112
EXAMPLE 3 Positive and negative sample detection
1. Cultivation of microorganisms
The same as in example 1.
2. Genomic DNA extraction
The same as in example 1.
3. q-PCR detection of target genes
q-PCR amplification of the samples was performed as indicated in TaKaRa Taq PCR Mix instructions and Ct value readings were obtained for the primers. The q-PCR reaction set 3 biological and 3 technical repeats, and the q-PCR reaction system and amplification reaction conditions were the same as in example 2.
4. Analysis of results
As shown in Table 7 and FIG. 4, the results of q-PCR amplification of the primers revealed that Vibrio harveyi exhibited a positive result for the ToxR gene, while all other genera exhibited negative results. Therefore, the detection of the ToxR gene can be carried out on the Vibrio harveyi and other genera, so that the Vibrio harveyi and other genera can be better distinguished. In summary, the corresponding primers and probes of the toxR gene can meet the requirements of detection and judgment of Vibrio harveyi.
TABLE 7
Figure BDA0002305121570000121
Figure BDA0002305121570000131
Example 4 detection of environmental samples
1. Environmental sample collection and extraction of genomic DNA
And respectively collecting a pure water sample, a Vibrio harveyi sample, a culture base sample and multiple culture water samples, and extracting the genomic DNA according to the instruction of the QIAamp DNA Mini Kit of Qiagen.
2. q-PCR detection of target genes
The same as in example 2.
3. Analysis of results
As shown in Table 8 and FIG. 5, the results of q-PCR amplification of the primers showed that the ToxR gene was detected in the Vibrio harveyi sample and one of the culture plots, which confirmed that the corresponding sample source contained Vibrio harveyi. The final criterion for judging that the Vibrio harveyi is positive is that the Ct value obtained by the toxR gene detection is less than 35 cycles. If the Ct value obtained by the ToxR gene detection is more than 35 cycles, the Vibrio harveyi negative is judged to be undetected.
TABLE 8
Figure BDA0002305121570000132
Figure BDA0002305121570000141
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Sequence listing
<110> Guangdong Meige Gene science and technology Co., Ltd
<120> TaqMan probe quantitative detection method for detecting Vibrio harveyi and corresponding kit
<160>3
<170>SIPOSequenceListing 1.0
<210>1
<211>21
<212>DNA
<213> Artificial Sequence (Artificial Sequence)
<400>1
agagcccact gctgagacaa a 21
<210>2
<211>24
<212>DNA
<213> Artificial Sequence (Artificial Sequence)
<400>2
caggtgcaga ttttaatggt tgag 24
<210>3
<211>25
<212>DNA
<213> Artificial Sequence (Artificial Sequence)
<400>3
agaaacagcc gtcgaacaag caccg 25

Claims (6)

1. The TaqMan probe quantitative detection method for detecting the vibrio harveyi is characterized by comprising the following steps of:
s1, collecting a sample;
s2, extracting genome DNA;
s3, quantitatively detecting and detecting the specific gene ToxR gene of the vibrio harveyi by using a TaqMan probe;
s4, reading the Ct value of the amplification; when the Ct value of the specific gene ToxR of the vibrio harveyi is less than 35, the detection result of the vibrio harveyi is positive; and when the Ct value of the specific gene ToxR of the Vibrio harveyi is more than 35, the detection result of the Vibrio harveyi is negative.
2. The TaqMan probe quantitative detection method for detecting Vibrio harveyi according to claim 1, wherein the step S2 further comprises a step of designing a detection primer of the ToxR gene and a TaqMan probe.
3. The TaqMan probe quantitative detection method for detecting Vibrio harveyi according to claim 1, wherein a detection primer of the specific gene ToxR gene of Vibrio harveyi is shown as SEQ ID NO 1-2, and a sequence of the TaqMan probe is shown as SEQ ID NO 3.
4. The method of claim 1, wherein the reaction system of the quantitative PCR assay is 25 μ l, and comprises 2 × Taq PCR Mix 12.5 μ l, total 10uMPrimers Mix 1 μ l, TaqMan probe 0.5 μ l, DNA input 2 μ l, H2O 9μl。
5. The TaqMan probe quantitative detection method for Vibrio harveyi according to claim 1, wherein the reaction conditions of the fluorescent quantitative PCR detection are denaturation at 95 ℃ for 2min30s, annealing at 94 ℃ for 15s, annealing at 60 ℃ for 30s, collecting a fluorescent signal, and 40 cycles.
6. A TaqMan probe quantitative detection kit for detecting Vibrio harveyi is characterized by comprising a detection primer of the specific gene ToxR gene of Vibrio harveyi and a TaqMan probe.
CN201911236852.XA 2019-12-05 2019-12-05 TaqMan probe quantitative detection method for detecting vibrio harveyi and corresponding kit Pending CN111518928A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911236852.XA CN111518928A (en) 2019-12-05 2019-12-05 TaqMan probe quantitative detection method for detecting vibrio harveyi and corresponding kit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911236852.XA CN111518928A (en) 2019-12-05 2019-12-05 TaqMan probe quantitative detection method for detecting vibrio harveyi and corresponding kit

Publications (1)

Publication Number Publication Date
CN111518928A true CN111518928A (en) 2020-08-11

Family

ID=71900481

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911236852.XA Pending CN111518928A (en) 2019-12-05 2019-12-05 TaqMan probe quantitative detection method for detecting vibrio harveyi and corresponding kit

Country Status (1)

Country Link
CN (1) CN111518928A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105296617A (en) * 2015-10-10 2016-02-03 宁波大学 Gene chip for detecting vibrio harveyi colony and using method of gene chip
CN105602945A (en) * 2015-11-04 2016-05-25 中国水产科学研究院南海水产研究所 Detection primer group, detection kit, and detection method used for simultaneous detection of three pathogenic bacteria of marine fishes
CN108546743A (en) * 2018-05-09 2018-09-18 宁波海洋研究院 A kind of Vibrio harveyi rapid detection method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105296617A (en) * 2015-10-10 2016-02-03 宁波大学 Gene chip for detecting vibrio harveyi colony and using method of gene chip
CN105602945A (en) * 2015-11-04 2016-05-25 中国水产科学研究院南海水产研究所 Detection primer group, detection kit, and detection method used for simultaneous detection of three pathogenic bacteria of marine fishes
CN108546743A (en) * 2018-05-09 2018-09-18 宁波海洋研究院 A kind of Vibrio harveyi rapid detection method

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
D. SCHIKORSKI等: "Development of TaqMan real-time PCR assays for monitoring Vibrio harveyi infection and a plasmid harbored by virulent strains in European abalone Haliotis tuberculata aquaculture", 《AQUACULTUR》 *
JIANHUPANG等: "A real-time recombinase polymerase amplification assay for the rapid detection of Vibrio harveyi", 《MOLECULAR AND CELLULAR PROBES》 *
YOUHEI FUKUI等: "Rapid Detection of Vibrio harveyi in Seawater by Real-Time PCR", 《MICROBES ENVIRON》 *
姚东瑞等: "基于toxR基因病原哈氏弧菌PCR检测方法的建立", 《水产科学》 *
尚琨等: "患腹水病牙鲆病原菌分离、鉴定及病原菌的特性", 《水产学报》 *
林佳琪等: "四重PCR检测副溶血性弧菌及其毒力基因方法的建立", 《微生物学通报》 *

Similar Documents

Publication Publication Date Title
Petsios et al. Conventional and molecular methods used in the detection and subtyping of Yersinia enterocolitica in food
Robert-Pillot et al. Total and pathogenic Vibrio parahaemolyticus in shrimp: Fast and reliable quantification by real-time PCR
Pal et al. Rapid detection and differentiation of Erysipelothrix spp. by a novel multiplex real‐time PCR assay
CN104726567A (en) Streptococcus agalactiae loop-mediated isothermal amplification kit and application thereof
CN104662146A (en) Culture medium for food poisoning bacteria, and method for detecting food poisoning bacteria
CN111485028A (en) Fluorescent quantitative PCR method for detecting tilapia streptococcus agalactiae and corresponding kit
CN101942505A (en) Pathogenic aeromonas hydrophila assay kit
CN107287354B (en) Method for detecting white spot syndrome virus of prawn by loop-mediated isothermal amplification method
CN102747144B (en) Triplex real-time fluorescence PCR detection primers, probes, detection kit and detection method for three bacterial
Caipang et al. Conventional PCR assays for the detection of pathogenic Vibrio spp. in shrimp aquaculture in the Philippines
CN111485034A (en) Fluorescent quantitative RT-PCR method for detecting fish viral nervous necrosis and corresponding kit
CN113913543A (en) EHP real-time fluorescence quantitative PCR detection primer probe combination, kit and method
Kumar et al. Rapid quantification of Salmonella in seafood using real-time PCR assay
CN111485017A (en) Fluorescent quantitative PCR method for detecting prawn enterogaster hepatica and corresponding kit
Suebsing et al. Shewanella putrefaciens in cultured tilapia detected by a new calcein-loop-mediated isothermal amplification (Ca-LAMP) method
CN111518927A (en) TaqMan probe quantitative detection method for detecting pseudomonas putida and corresponding kit
CN111518928A (en) TaqMan probe quantitative detection method for detecting vibrio harveyi and corresponding kit
CN104651518A (en) Streptococcus iniae loop-mediated isothermal amplification kit and application thereof
CN105200045B (en) The nucleotides special to vibrio fluvialis O11, O14, O16 and O17 and its application
CN110616279B (en) Kit for synchronously and quantitatively detecting 3 important shrimp pathogens
CN110358850B (en) Primer group and kit for detecting serotype of streptococcus Parauberis
CN105200044B (en) The nucleotides special to vibrio fluvialis O1, O6, O7, O8 and O9 and its application
Boziaris et al. Microbiological examination of seafood
AU779813B2 (en) Detection and quantification of micro-organisms using amplification and restriction enzyme analysis
CN111534615A (en) TaqMan probe quantitative detection method for detecting pseudomonas fluorescens and corresponding kit

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200811