[Construction of phage display cDNA library from adult worms of Schistosoma japonicum]. 2007

Yi Sun, and Ren-chu Jia, and Jin-ming Liu, and Chun-xiu Yuan, and Yao-jun Shi, and Ke Lu, and Zhi-qiang Fu, and Huan Sun, and You-min Cai, and Jiao-jiao Lin
Shanghai Veterinary Research Institute of CAAS, National Laboratory of Animal Schistosomiasis Control, Key Laboratory of Animal Parasitology, Ministry of Agriculture, Shanghai 200232, China.

OBJECTIVE To screen protective antigen genes and construct the T7 phage display library from adult worms of Schistosoma japonicum. METHODS Total RNA was extracted from adult worms of S. japonicum by Trizol reagent anti mRNA was isolated from the total RNA. The ds cDNA was synthesized by reverse transcription using random primer. Directional EcoR I/ Hind III linkers were ligated into the ends of ds cDNA and the ds cDNA was digested with EcoR I anti Hind III, which resulted in ds cDNA with EcoR I and Hind III adhering ends. The digested ds cDNA fragments longer than 300 bp in length were fractionated and ligated into T7 Select 10-3b vector. After packaging in citro, the T7 Select 10-3b vector was transformed into BLT5403 to construct the T7 phage display cDNA library. Plaque assay and PCR were used to evaluate the library. Seven known objective genes of S. japonicum were screened by PCR to detect the representation of the library. RESULTS Primary library capacity was 4.98 x 10(6) pfu, and the titer of amplified library was 3.85 x 10(11) pfu/mL. The PCR identification result of 96 clones picked at random showed that recombination rate was 93.8%, in which 95.6% inserted cDNA fragments were longer than 300 bp in length. All the seven known objective genes of S. japonicum were amplified from the library. CONCLUSIONS The T7 phage display library from adult worms of Schistosoma japonicum was constructed.

UI MeSH Term Description Entries
D004587 Electrophoresis, Agar Gel Electrophoresis in which agar or agarose gel is used as the diffusion medium. Electrophoresis, Agarose Gel,Agar Gel Electrophoresis,Agarose Gel Electrophoresis,Gel Electrophoresis, Agar,Gel Electrophoresis, Agarose
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012549 Schistosoma japonicum A species of trematode blood flukes belonging to the family Schistosomatidae whose distribution is confined to areas of the ASIA, EASTERN. The intermediate host is a snail. It occurs in man and other mammals. Schistosoma japonicums,japonicum, Schistosoma
D015246 Deoxyribonuclease EcoRI One of the Type II site-specific deoxyribonucleases (EC 3.1.21.4). It recognizes and cleaves the sequence G/AATTC at the slash. EcoRI is from E coliRY13. Several isoschizomers have been identified. EC 3.1.21.-. DNA Restriction Enzyme EcoRI,Deoxyribonuclease SsoI,Endonuclease EcoRI,Eco RI,Eco-RI,EcoRI Endonuclease,Endodeoxyribonuclease ECoRI,Endodeoxyribonuclease HsaI,Endonuclease Eco159I,Endonuclease Eco82I,Endonuclease RsrI,Endonuclease SsoI,HsaI Endonuclease,Restriction Endonuclease RsrI
D015247 Deoxyribonuclease HindIII One of the Type II site-specific deoxyribonucleases (EC 3.1.21.4). It recognizes and cleaves the sequence A/AGCTT at the slash. HindIII is from Haemophilus influenzae R(d). Numerous isoschizomers have been identified. EC 3.1.21.-. DNA Restriction Enzyme HindIII,Deoxyribonuclease BstFI,Deoxyribonuclease EcoVIII,Endonuclease HindIII,B Pertussis Restriction Enzyme I,BpeI Endonuclease,Endodeoxyribonuclease BpeI,Endonuclease Asp52I,Endonuclease BbrI,Endonuclease BpeI,Endonuclease BstFI,Endonuclease Cfr32I,Endonuclease ChuI,Endonuclease Eco65I,Endonuclease Eco98I,Endonuclease EcoVIII,Endonuclease Hin1076III,Endonuclease Hin173I,Endonuclease HinJCII,Endonuclease HinbIII,Endonuclease HinfII,Endonuclease HsuI,Endonuclease LlaCI,Endonuclease MkiI,LlaCI, Endonuclease
D015723 Gene Library A large collection of DNA fragments cloned (CLONING, MOLECULAR) from a given organism, tissue, organ, or cell type. It may contain complete genomic sequences (GENOMIC LIBRARY) or complementary DNA sequences, the latter being formed from messenger RNA and lacking intron sequences. DNA Library,cDNA Library,DNA Libraries,Gene Libraries,Libraries, DNA,Libraries, Gene,Libraries, cDNA,Library, DNA,Library, Gene,Library, cDNA,cDNA Libraries
D016133 Polymerase Chain Reaction In vitro method for producing large amounts of specific DNA or RNA fragments of defined length and sequence from small amounts of short oligonucleotide flanking sequences (primers). The essential steps include thermal denaturation of the double-stranded target molecules, annealing of the primers to their complementary sequences, and extension of the annealed primers by enzymatic synthesis with DNA polymerase. The reaction is efficient, specific, and extremely sensitive. Uses for the reaction include disease diagnosis, detection of difficult-to-isolate pathogens, mutation analysis, genetic testing, DNA sequencing, and analyzing evolutionary relationships. Anchored PCR,Inverse PCR,Nested PCR,PCR,Anchored Polymerase Chain Reaction,Inverse Polymerase Chain Reaction,Nested Polymerase Chain Reaction,PCR, Anchored,PCR, Inverse,PCR, Nested,Polymerase Chain Reactions,Reaction, Polymerase Chain,Reactions, Polymerase Chain
D017123 Bacteriophage T7 Virulent bacteriophage and type species of the genus T7-like phages, in the family PODOVIRIDAE, that infects E. coli. It consists of linear double-stranded DNA, terminally redundant, and non-permuted. Coliphage T7,Enterobacteria phage T7,Phage T7,T7 Phage,Phage, T7,Phages, T7,T7 Phages
D018076 DNA, Complementary Single-stranded complementary DNA synthesized from an RNA template by the action of RNA-dependent DNA polymerase. cDNA (i.e., complementary DNA, not circular DNA, not C-DNA) is used in a variety of molecular cloning experiments as well as serving as a specific hybridization probe. Complementary DNA,cDNA,cDNA Probes,Probes, cDNA

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