Existence of lysogenic bacteriophages in Bacillus thuringiensis type strains. 2013

Jong Yul Roh, and Jong Bin Park, and Qin Liu, and Song Eun Kim, and Xueying Tao, and Tae Woong Choi, and Jae Young Choi, and Woo Jin Kim, and Byung Rae Jin, and Yeon Ho Je
Department of Agricultural Biotechnology, College of Agriculture & Life Sciences, Seoul National University, Seoul 151-742, Republic of Korea. rohling@korea.kr

We screened the existence of bacteriophages in 67 Bacillus thuringiensis type strains by phage DNA extraction and PCR using phage terminase small subunit (TerS)-specific primers to the supernatants and the precipitated pellets of Bt cultures, and by transmission electron microscopy. The various bacteriophages were observed from the supernatants of 22 type strains. Ten type strains showed the extracted phage DNAs and the amplified fragment by TerS PCR but 12 type strains showed only the phage DNAs. Their morphological characteristic suggests that they belong to Family Siphoviridae which had a long tail and symmetrical head.

UI MeSH Term Description Entries
D004279 DNA, Viral Deoxyribonucleic acid that makes up the genetic material of viruses. Viral DNA
D001413 Bacillus thuringiensis A species of gram-positive bacteria which may be pathogenic for certain insects. It is used for the biological control of the Gypsy moth. Bacilan,Dipel,Thuricide
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
D017103 Bacillus Phages Viruses whose host is Bacillus. Frequently encountered Bacillus phages include bacteriophage phi 29 and bacteriophage phi 105. Bacteriophage phi 105,Bacteriophage phi 29,Phage phi 105,Phage phi 29,Bacillus Bacteriophages,Bacillus Bacteriophage,Bacillus Phage,Bacteriophage, Bacillus,Bacteriophages, Bacillus
D046529 Microscopy, Electron, Transmission Electron microscopy in which the ELECTRONS or their reaction products that pass down through the specimen are imaged below the plane of the specimen. Electron Diffraction Microscopy,Electron Microscopy, Transmission,Microscopy, Electron Diffraction,Transmission Electron Microscopy,Diffraction Microscopy, Electron,Microscopy, Transmission Electron
D017906 Siphoviridae A family of BACTERIOPHAGES and ARCHAEAL VIRUSES which are characterized by long, non-contractile tails. Enterobacteria phage BF23,Phages, T5-like,Phages, lambda-Like,T5-like Phages,T5-like viruses,lambda-Like Phages,lambda-like viruses,Syphoviridae,Phages, T5 like,T5 like viruses,lambda Like Phages,lambda like viruses

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