CN101717436A - Mud crab bicistronic mRNA virus structural protein 2 and monoclonal antibody thereof and application - Google Patents
Mud crab bicistronic mRNA virus structural protein 2 and monoclonal antibody thereof and application Download PDFInfo
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- CN101717436A CN101717436A CN200910213701A CN200910213701A CN101717436A CN 101717436 A CN101717436 A CN 101717436A CN 200910213701 A CN200910213701 A CN 200910213701A CN 200910213701 A CN200910213701 A CN 200910213701A CN 101717436 A CN101717436 A CN 101717436A
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Abstract
The invention discloses a mud crab bicistronic mRNA virus structural protein 2, a monoclonal antibody thereof and the application. The amino acid sequence of the mud crab bicistronic mRNA virus structural protein 2 is SEQ ID NO: 3 and the nucleotide sequence is SEQ ID NO: 1. By researching and analyzing MCDV, the invention firstly obtains the amino acid sequence, the nucleotide sequence and the monoclonal antibody of the structural protein 2, locates the structural protein 2 and provides a new research direction for researching virus of mud crab bicistronic mRNA. The monoclonal antibody of the structural protein 2 can be used in monitoring MCDV, preparing a virus kit for detecting MCDV and preparing a virus colloidal gold test paper for detecting MCDV.
Description
Technical field
The present invention relates to the blue crab cultivation biological technical field, relate in particular to mud crab bicistronic mRNA virus structural protein 2 and monoclonal antibody thereof and application.
Background technology
Young Crab (Scylla serrata, formal name used at school are Mud crab) is commonly called as mud crab, mainly is distributed in the Indian Ocean-Pacific torrid zone, marine site, subtropics, is the very high parton class of economic worth, is one of famous-brand and high-quality breed variety.
Virus disease is the main pathogen in the Young Crab breeding process, and it causes the serious financial loss of blue crab cultivation industry, so in the Young Crab breeding process, is current important topic to the research of each viroid disease.
Beginning in 2004 find to suffer from " disorders of excessive sleepiness " Young Crab (SD) in Zhuhai and has two kinds of viruses simultaneously: Young Crab bicistronic mRNA virus (Mud crab dicistrivirus, MCDV) and reovirus (mudcrab reovirus, MCRV).
MCDV is the sub-thread positive chain RNA virus ssRNA (+) that finds in the aquatic crustacean, its Individual existence just can make Young Crab cause a disease, and mortality ratio can reach more than 80%, therefore to infection mechanism and pathogenic research of MCDV, in the blue crab cultivation industry, in time monitor the incidence of MCDV, seeking and effectively prevent and prevent and treat method, is the major issue that current Young Crab is cultured needs solution.
Bicistronic mRNA virus (dicistrivirus) is the Tobamovirus of a new classification, along with deepening continuously of marine virology, increasing hydrobiological bicistronic mRNA virus is found, but its structural protein yet there are no research, and the research of the structural protein of relevant Young Crab bicistronic mRNA virus (MCDV) does not see that relevant report is arranged yet.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of structural protein 2 of Young Crab bicistronic mRNA virus are provided.
Another object of the present invention is to provide the monoclonal antibody of above-mentioned mud crab bicistronic mRNA virus structural protein 2.
Another object of the present invention is to provide the application of said monoclonal antibody in preparation detection MCDV virus test kit or colloid gold test paper.
Above-mentioned purpose of the present invention is achieved by following scheme:
Inventor's separation and purification from the two kinds of viruses (MCDV and MCRV) that are present in Young Crab simultaneously goes out MCDV, and electron microscopic observation finds that its diameter is 20～30nm, sphere, and no cyst membrane is the icosahedron symmetry, and the buoyant density in CsCl is 1.32～1.36g/cm
3, the properties of nucleic acids analysis finds that this viral genome is sub-thread positive chain RNA virus ssRNA (+).
The inventor finds that to the genome analysis of MCDV it includes two opening code-reading frame ORF1 and the ORF2 that is separated by non-coding region between gene (IGR), wherein, and the ORF1 Nonstructural Protein of encoding, ORF2 coding structure albumen.
The inventor discovers further to ORF2, ORF2 is made up of three structural protein, is respectively that molecular weight is the structural protein 3 (abbreviation VP3) that the structural protein 1 (be called for short VP1) of 53KD, structural protein 2 (being called for short VP2) that molecular weight is 35KD and molecular weight are 22KD.
Then, the inventor has carried out a series of researching and analysing to structural protein 2, and is as follows:
1, aminoacid sequence and coding nucleotide sequence thereof
The aminoacid sequence of structural protein 2 is shown in SEQ ID NO:3;
The nucleotide sequence of coding structure albumen 2 is shown in SEQ ID NO:1.
2, the acquisition of monoclonal antibody
The inventor at first adopts totivirus (MCDV) as antigen, carry out immunity test in the body, adopt HAT and HT to select hybridoma, indirect elisa method screening positive monoclonal antibody then, then utilize Western blot method from positive monoclonal antibody the monoclonal antibody of structural protein 2 to be screened, final acquisition can be discerned the monoclonal antibody of MCDV structural protein 2.
3, the location of structural protein 2
The inventor checks order to the N terminal amino acid of its three structural protein on the basis of MCDV virus separation and purification, and with genome sequence contrast and the structural analysis of MCDV, in the MCDV genome, found the corresponding position of three structural protein.
In order further structural protein 2 accurately to be located, the inventor adopts the immuno-electron microscope method, observe among the above-mentioned Western blot result, the position of the antigenic determinant that the monoclonal antibody of structural protein 2 is discerned, Electronic Speculum result shows, this antigenic determinant is positioned the edge of virus particle, thereby has realized the accurate location to MCDV structural protein 2.
The monoclonal antibody of the MCDV structural protein 2 that the present invention screens can be used for infection mechanism and the Study on Pathogenicity of MCDV, be used for the blue crab cultivation industry incidence of monitoring MCDV in time, be used for the neutralizing effect of Young Crab bicistronic mRNA virus (MCDV) live body, and be used for preparing test kit or the colloidal gold strip whether the vitro detection sample exists MCDV virus.
Compared with prior art, the present invention has following beneficial effect:
1. the present invention obtains aminoacid sequence, nucleotide sequence and the monoclonal antibody of its structural protein 2 first by MCDV is researched and analysed, and these structural protein 2 are located, for the virus disease research of Young Crab provides new research direction;
2. the present invention's monoclonal antibody of screening structural protein 2 many aspects of can be used for the MCDV monitoring and detecting.
Description of drawings
Fig. 1 is the SDS-PAGE electrophorogram of purifying MCDV among the embodiment 1;
Wherein, M is albumen marker, and 1～5 is the MCDV particle of purifying, and 6 is the MCDV-VP1 of 53KD, and 7 is the MCDV-VP2 of 35KD, and 8 is the MCDV-VP3 of 22KD;
Fig. 2 is that the proteic Western-blot of antibody recognition identifies electrophorogram among the embodiment 3;
Wherein, 1 and 2 positive monoclonal antibodies for identification MCDV-VP2, M is albumen marker, the arrow indication is the MCDV-VP2 of 35KD;
Fig. 3 is the indirect immuno-electron microscope figure of the anti-MCDV monoclonal antibody of MCDV-VP2 among the embodiment 4;
Fig. 4 is negative control immuno-electron microscope figure among the embodiment 4.
Embodiment
Below in conjunction with specific embodiment the present invention is done description further, but specific embodiment is not done any qualification to the present invention.
The acquisition of embodiment 1MCDV structural protein 2
Present embodiment is by checking order to MCDV purifying, N end and analyzing, obtain the aminoacid sequence and the nucleotide sequence of structural protein 2, and structural protein 2 are carried out biological analysis, predict its physico-chemical property and conservative functional domain, for the functional study of MCDV structural protein lays the foundation, its concrete steps are as follows.
1.MCDV purifying
(1) the about 15g of gill sample of the sick crab of weighing is ground to Powdered rapidly under the liquid nitrogen;
(2) ground powder is poured in the 250ml centrifuge tube, by the amount adding PBS of 20 times of volumes, homogenate;
(3) with 4 ℃ of centrifugal 20min of centrifugal slagging-off: 1000rpm of the viral liquid after the homogenate; Turn to the centrifugal 3min of back 3000rpm; Supernatant changes new pipe over to, after the balance, and 12000～15000rpm high speed centrifugation 1 hour;
(4) collect above-mentioned centrifuged supernatant, once more 44000rpm (200000 * g) centrifugal 2 hours or 33000rpm (and 150000 * g) centrifugal 7～10 hours, precipitation virus;
(5) disperse to spend the night with adding 0.5ml PBS in the sedimentary virus particle;
(6) preparation CsCl density gradient: be that 15%, 25%, 35% and 45% the light earlier back of CsCl solution weighs and adds successively in the transparent centrifuge tube of SW41 with mass percent concentration respectively;
(7) virus particle that dispersion is spent the night adds the superiors of CsCl gradient, and the 35000rpm ultracentrifugation is about 10 hours;
(8) sucking-off virus band is on 35 quality % sucrose pads, with PBS washing, 35000rpm ultracentrifugation 2 hours;
(9) the viral liquid of every band of preliminary purification is gone up CsCl gradient for the second time, repeating step (7), (8), the same step of described CsCl gradient (6) respectively;
(10) collect purified virus liquid, get wherein 4 ℃ of preservations of 5～10 μ l, in order in time measuring virus concentration and electron microscopic observation, all the other-80 ℃ of preservations are standby.
2. the concentration determination of purifying MCDV, electron microscopic observation and SDS-PAGE identify
Get the viral liquid of the above-mentioned fresh purifying of 2～5 μ l, measure virus concentration roughly with ultraviolet spectrophotometer, the result is 2.56 μ g/ μ l.
Get 5 μ l viral suspensions and drip on the copper mesh that is sprayed with carbon dust, absorption 1min blots suspension with filter paper; Then, the Salkowski's solution dyeing with 2% 40 seconds is inhaled with filter paper and is removed unnecessary dye liquor; Lamp is according to oven dry, and form, value volume and range of product with Philips-CM10 transmission electron microscope observation virus calculate its purity by the quantity of adding up two kinds of virus particle in a plurality of visuals field, and the purity of present embodiment purifying gained MCDV virus liquid is 99.99%.
Get the viral liquid of the above-mentioned fresh purifying of 10 μ l, carry out conventional SDS-PAGE electrophoresis, observe the strip type of albumen in the electrophoresis result, the result as shown in Figure 1, the MCDV of purifying is through the SDS-PAGE electrophoresis, and as seen VP1, VP2, three protein bands of VP3 clearly are consistent with three structural proteins of the MCDV of expection, difference called after VP1, VP2, VP3, the molecular weight size is respectively 53KD, 35KD, 22KD.
The sequencing and the biological analysis of embodiment 2MCDV structural protein 2
According to the SDS-PAGE electrophoresis result among the embodiment 1, MCDV contains the structural protein 2 that molecular weight is 53KD (being called for short VP1), molecular weight is the structural protein 2 (being called for short VP2) of 35KD and the structural protein 3 (being called for short VP3) that molecular weight is 22KD.
Present embodiment carries out order-checking of N end and biological analysis to structural protein 2.
Carry out the routine operation of protein N terminal amino acid sequencing according to this area, at first prepare on the pvdf membrane of MCDV, select the structural protein 2 on the pvdf membrane, carry out the order-checking of N terminal amino acid.
Sequence measurement: EDMAN edman degradation Edman.
Order-checking instrument: the PROCISE491 sequenator of U.S. Applied Biosystems company.
Sequencing result:
The aminoacid sequence of structural protein 2 is shown in SEQ ID NO:3;
The nucleotide sequence of coding structure albumen 2 is shown in SEQ ID NO:1.
The MONOCLONAL ANTIBODIES SPECIFIC FOR of embodiment 3MCDV structural protein 2
Present embodiment at first adopt totivirus just MCDV as antigen, carry out immunity test in the body, adopt HAT and HT to select hybridoma, indirect elisa method screening positive monoclonal antibody then, then utilize Western blot method from positive monoclonal antibody, the monoclonal antibody of structural protein 2 to be screened, final acquisition 2 strains can be discerned the monoclonal antibody of MCDV structural protein 2, and concrete steps are as follows.
1. immunity test in the body
The antigen of immunity test adopts MCDV in the body, routine operation when its operation adopts those skilled in the art to carry out immunity test in the body, respectively BalB/C mouse and new zealand white rabbit are carried out immunity test in the body, collect blood (BalB/C mouse and new zealand white rabbit) at last respectively, at room temperature place 30min, after treating that it solidifies, place 4 ℃ and spend the night and make blood clot retraction, have serum to separate out.Next day, sucking-off serum, remaining blood is got supernatant liquor and is antiserum(antisera) in 4 ℃ of centrifugal 10min of 1500g, mixes with the serum of front, and-80 ℃ of preservations are put in packing.
Contain multiple antibody in the antiserum(antisera) of above-mentioned preparation, adopt HAT and HT to select hybridoma and indirect elisa method that positive monoclonal antibody is wherein screened below, just the monoclonal antibody with MCDV screens.
2. the screening of positive monoclonal antibody
The HAT of present embodiment and HT select hybridoma and indirect elisa method all to adopt those skilled in the art's routine operation, and the result screens 7 strain strong positives clone.
3. the proteic Western-blot of antibody recognition identifies
Present embodiment adopts those skilled in the art's Western-blot method commonly used, from above-mentioned 7 strain strong positives clone, filters out the positive colony that can discern MCDV-VP2, finally obtains the positive colony that 2 strains can be discerned MCDV-VP2.
Western-blot adopts those skilled in the art's routine operation, and the Western-blot electrophorogram that 2 strains can be discerned the MCDV-VP2 positive colony as shown in Figure 2.
The immuno-electron microscope location of embodiment 4MCDV structural protein 2
In order to determine the location of MCDV structural protein 2 on virus particle, present embodiment adopts embodiment 3 preparation gained MCDV structural protein 2 monoclonal antibodies as one anti-(1: 2000), Radioactive colloidal gold is two anti-, and structural protein 2 are carried out the cellular localization of indirect immuno-electron microscope.
Shown in Fig. 3 and 4, can be clearly seen that under the Electronic Speculum after the negative staining, the black gold grain of high electron density clocklike is centered around the edge of virus particle, illustrate that Radioactive colloidal gold is specific marker at the MCDV monoclonal antibody as an anti-mark, rather than false positive results, in addition from the figure as can be seen, the antigenic determinant of MCDV structural protein 2 its effects of monoclonal antibody is on viral capsid.
Negative serum resists as one or directly makes negative control with PBS, and negative control does not have gold grain to be marked on the virus particle as shown in Figure 4.
Mud crab bicistronic mRNA virus structural protein 2 and monoclonal antibody thereof and application sequence table
SEQUENCE?LISTING
＜110〉Zhongshan University
＜120〉mud crab bicistronic mRNA virus structural protein 2 and monoclonal antibody thereof and application
<130>
<160>3
<170>PatentIn?version?3.5
<210>1
<211>963
<212>DNA
＜213〉Young Crab (Scylla serrata)
<400>1
gctccaattc?aaaattctga?tacttctata?atggattctt?ccgttactaa?cactggtggt 60
ttgatgccct?cggctactat?ttccaattca?gagggcgcta?caatgcttct?aaatgatatt 120
cctgatccca?ctcagaatgt?ttttctttct?cgcaacgtta?ctgataattt?gtttgaagtt 180
caagatcaga?atctgattga?atctttatct?cgcgaagttc?ttttaggcac?tggtacttgg 240
caatccggtc?aagctgaaat?ttctactacc?cttacagaac?aacaacttat?cacaaattat 300
gaacagccat?caattagaca?aatttcttta?cctgatgaca?tagttaaagg?ttcctctttt 360
attgcctcca?aattagctaa?tattgcttat?atgcgttgcg?attatgagtt?gtatcttcgg 420
gtccagggtt?ctccatttct?tcagggtctt?ctcttgcttt?ggaataagat?gaatgcggat 480
caaacttcta?agattcgttc?ctcaattact?gaacaccttc?gctctattac?ttcttttcct 540
ggtgtcacac?ttaatatgca?atccgactca?agatctgtta?agctagtaat?tccttatact 600
agtgaatttc?aagtttttaa?tcctcgtaat?gaaaataagt?taaattccgt?tcggctttca 660
attctttcag?ctttgcgagg?accttctact?tctgagaaag?ctacttattc?tattatggga 720
cgtatgacca?atataaagct?gtatggtcat?gcaccttcta?ttgtctcact?ttcttatccc 780
caaactgaag?gtggtgatga?cgccacagct?tctcaacgtg?gtatagtcac?acaggttgcc 840
gatactgtct?cttctatttc?taatgtggtg?gatggtcttg?gtgtgcctct?tctttcctcc 900
atttccaaac?ctattgggtg?ggtgtctaat?gtggtgagca?atgttgcgtc?aatttttggt 960
ttt 963
<210>2
<211>963
<212>DNA
＜213〉Young Crab (Scylla serrata)
<220>
<221>CDS
<222>(1)..(963)
<400>2
gct?cca?att?caa?aat?tct?gat?act?tct?ata?atg?gat?tct?tcc?gtt?act 48
Ala?Pro?Ile?Gln?Asn?Ser?Asp?Thr?Ser?Ile?Met?Asp?Ser?Ser?Val?Thr
1 5 10 15
aac?act?ggt?ggt?ttg?atg?ccc?tcg?gct?act?att?tcc?aat?tca?gag?ggc 96
Asn?Thr?Gly?Gly?Leu?Met?Pro?Ser?Ala?Thr?Ile?Ser?Asn?Ser?Glu?Gly
20 25 30
gct?aca?atg?ctt?cta?aat?gat?att?cct?gat?ccc?act?cag?aat?gtt?ttt 144
Ala?Thr?Met?Leu?Leu?Asn?Asp?Ile?Pro?Asp?Pro?Thr?Gln?Asn?Val?Phe
35 40 45
ctt?tct?cgc?aac?gtt?act?gat?aat?ttg?ttt?gaa?gtt?caa?gat?cag?aat 192
Leu?Ser?Arg?Asn?Val?Thr?Asp?Asn?Leu?Phe?Glu?Val?Gln?Asp?Gln?Asn
50 55 60
ctg?att?gaa?tct?tta?tct?cgc?gaa?gtt?ctt?tta?ggc?act?ggt?act?tgg 240
Leu?Ile?Glu?Ser?Leu?Ser?Arg?Glu?Val?Leu?Leu?Gly?Thr?Gly?Thr?Trp
65 70 75 80
caa?tcc?ggt?caa?gct?gaa?att?tct?act?acc?ctt?aca?gaa?caa?caa?ctt 288
Gln?Ser?Gly?Gln?Ala?Glu?Ile?Ser?Thr?Thr?Leu?Thr?Glu?Gln?Gln?Leu
85 90 95
atc?aca?aat?tat?gaa?cag?cca?tca?att?aga?caa?att?tct?tta?cct?gat 336
Ile?Thr?Asn?Tyr?Glu?Gln?Pro?Ser?Ile?Arg?Gln?Ile?Ser?Leu?Pro?Asp
100 105 110
gac?ata?gtt?aaa?ggt?tcc?tct?ttt?att?gcc?tcc?aaa?tta?gct?aat?att 384
Asp?Ile?Val?Lys?Gly?Ser?Ser?Phe?Ile?Ala?Ser?Lys?Leu?Ala?Asn?Ile
115 120 125
gct?tat?atg?cgt?tgc?gat?tat?gag?ttg?tat?ctt?cgg?gtc?cag?ggt?tct 432
Ala?Tyr?Met?Arg?Cys?Asp?Tyr?Glu?Leu?Tyr?Leu?Arg?Val?Gln?Gly?Ser
130 135 140
cca?ttt?ctt?cag?ggt?ctt?ctc?ttg?ctt?tgg?aat?aag?atg?aat?gcg?gat 480
Pro?Phe?Leu?Gln?Gly?Leu?Leu?Leu?Leu?Trp?Asn?Lys?Met?Asn?Ala?Asp
145 150 155 160
caa?act?tct?aag?att?cgt?tcc?tca?att?act?gaa?cac?ctt?cgc?tct?att 528
Gln?Thr?Ser?Lys?Ile?Arg?Ser?Ser?Ile?Thr?Glu?His?Leu?Arg?Ser?Ile
165 170 175
act?tct?ttt?cct?ggt?gtc?aca?ctt?aat?atg?caa?tcc?gac?tca?aga?tct 576
Thr?Ser?Phe?Pro?Gly?Val?Thr?Leu?Asn?Met?Gln?Ser?Asp?Ser?Arg?Ser
180 185 190
gtt?aag?cta?gta?att?cct?tat?act?agt?gaa?ttt?caa?gtt?ttt?aat?cct 624
Val?Lys?Leu?Val?Ile?Pro?Tyr?Thr?Ser?Glu?Phe?Gln?Val?Phe?Asn?Pro
195 200 205
cgt?aat?gaa?aat?aag?tta?aat?tcc?gtt?cgg?ctt?tca?att?ctt?tca?gct 672
Arg?Asn?Glu?Asn?Lys?Leu?Asn?Ser?Val?Arg?Leu?Ser?Ile?Leu?Ser?Ala
210 215 220
ttg?cga?gga?cct?tct?act?tct?gag?aaa?gct?act?tat?tct?att?atg?gga 720
Leu?Arg?Gly?Pro?Ser?Thr?Ser?Glu?Lys?Ala?Thr?Tyr?Ser?Ile?Met?Gly
225 230 235 240
cgt?atg?acc?aat?ata?aag?ctg?tat?ggt?cat?gca?cct?tct?att?gtc?tca 768
Arg?Met?Thr?Asn?Ile?Lys?Leu?Tyr?Gly?His?Ala?Pro?Ser?Ile?Val?Ser
245 250 255
ctt?tct?tat?ccc?caa?act?gaa?ggt?ggt?gat?gac?gcc?aca?gct?tct?caa 816
Leu?Ser?Tyr?Pro?Gln?Thr?Glu?Gly?Gly?Asp?Asp?Ala?Thr?Ala?Ser?Gln
260 265 270
cgt?ggt?ata?gtc?aca?cag?gtt?gcc?gat?act?gtc?tct?tct?att?tct?aat 864
Arg?Gly?Ile?Val?Thr?Gln?Val?Ala?Asp?Thr?ValSer?Ser?Ile?Ser?Asn
275 280 285
gtg?gtg?gat?ggt?ctt?ggt?gtg?cct?ctt?ctt?tcc?tcc?att?tcc?aaa?cct 912
Val?Val?Asp?Gly?Leu?Gly?Val?Pro?Leu?Leu?Ser?Ser?Ile?Ser?Lys?Pro
290 295 300
att?ggg?tgg?gtg?tct?aat?gtg?gtg?agc?aat?gtt?gcg?tca?att?ttt?ggt 960
Ile?Gly?Trp?Val?Ser?Asn?Val?Val?Ser?Asn?Val?Ala?Ser?Ile?Phe?Gly
305 310 315 320
ttt 963
Phe
<210>3
<211>321
<212>PRT
＜213〉Young Crab (Scylla serrata)
<400>3
Ala?Pro?Ile?Gln?Asn?Ser?Asp?Thr?Ser?Ile?Met?Asp?Ser?Ser?Val?Thr
1 5 10 15
Asn?Thr?Gly?Gly?Leu?Met?Pro?Ser?Ala?Thr?Ile?Ser?Asn?Ser?Glu?Gly
20 25 30
Ala?Thr?Met?Leu?Leu?Asn?Asp?Ile?Pro?Asp?Pro?Thr?Gln?Asn?Val?Phe
35 40 45
Leu?Ser?Arg?Asn?Val?Thr?Asp?Asn?Leu?Phe?Glu?Val?Gln?Asp?Gln?Asn
50 55 60
Leu?Ile?Glu?Ser?Leu?Ser?Arg?Glu?Val?Leu?Leu?Gly?Thr?Gly?Thr?Trp
65 70 75 80
Gln?Ser?Gly?Gln?Ala?Glu?Ile?Ser?Thr?Thr?Leu?Thr?Glu?Gln?Gln?Leu
85 90 95
Ile?Thr?Asn?Tyr?Glu?Gln?Pro?Ser?Ile?Arg?Gln?Ile?Ser?Leu?Pro?Asp
100 105 110
Asp?Ile?Val?Lys?Gly?Ser?Ser?Phe?Ile?Ala?Ser?Lys?Leu?Ala?Asn?Ile
115 120 125
Ala?Tyr?Met?Arg?Cys?Asp?Tyr?Glu?Leu?Tyr?Leu?Arg?Val?Gln?Gly?Ser
130 135 140
Pro?Phe?Leu?Gln?Gly?Leu?Leu?Leu?Leu?Trp?Asn?Lys?Met?Asn?Ala?Asp
145 150 155 160
Gln?Thr?Ser?Lys?Ile?Arg?Ser?Ser?Ile?Thr?Glu?His?Leu?Arg?Ser?Ile
165 170 175
Thr?Ser?Phe?Pro?Gly?Val?Thr?Leu?Asn?Met?Gln?Ser?Asp?Ser?Arg?Ser
180 185 190
Val?Lys?Leu?Val?Ile?Pro?Tyr?Thr?Ser?Glu?Phe?Gln?Val?Phe?Asn?Pro
195 200 205
Arg?Asn?Glu?Asn?Lys?Leu?Asn?Ser?Val?Arg?Leu?Ser?Ile?Leu?Ser?Ala
210 215 220
Leu?Arg?Gly?Pro?Ser?Thr?Ser?Glu?Lys?Ala?Thr?Tyr?Ser?Ile?Met?Gly
225 230 235 240
Arg?Met?Thr?Asn?Ile?Lys?Leu?Tyr?Gly?His?Ala?Pro?Ser?Ile?Val?Ser
245 250 255
Leu?Ser?Tyr?Pro?Gln?Thr?Glu?Gly?Gly?Asp?Asp?Ala?Thr?Ala?Ser?Gln
260 265 270
Arg?Gly?Ile?Val?Thr?Gln?Val?Ala?Asp?Thr?Val?Ser?Ser?Ile?Ser?Asn
275 280 285
Val?Val?Asp?Gly?Leu?Gly?Val?Pro?Leu?Leu?Ser?Ser?Ile?Ser?Lys?Pro
290 295 300
Ile?Gly?Trp?Val?Ser?Asn?Val?Val?Ser?Asn?ValAla?Ser?Ile?Phe?Gly
305 310 315 320
Phe
Claims (5)
1. mud crab bicistronic mRNA virus structural protein 2, its aminoacid sequence is shown in SEQ ID NO:3.
2. the dna sequence dna of the described structural protein 2 of the claim 1 of encoding, its nucleotide sequence is shown in SEQID NO:1.
One kind with the described structural protein 2 specificity bonded monoclonal antibodies of claim 1.
4. the application of the described monoclonal antibody of claim 3 in preparation detection MCDV virus test kit.
5. the application of the described monoclonal antibody of claim 3 in preparation detection MCDV virus colloidal gold test paper.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910213701A CN101717436A (en) | 2009-12-08 | 2009-12-08 | Mud crab bicistronic mRNA virus structural protein 2 and monoclonal antibody thereof and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910213701A CN101717436A (en) | 2009-12-08 | 2009-12-08 | Mud crab bicistronic mRNA virus structural protein 2 and monoclonal antibody thereof and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101717436A true CN101717436A (en) | 2010-06-02 |
Family
ID=42432079
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910213701A Pending CN101717436A (en) | 2009-12-08 | 2009-12-08 | Mud crab bicistronic mRNA virus structural protein 2 and monoclonal antibody thereof and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101717436A (en) |
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2009
- 2009-12-08 CN CN200910213701A patent/CN101717436A/en active Pending
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