| ¿µ¹® | phage | ÇÑ±Û | ÆÄÁö |
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| SPL | skin potential level; sound pressure level; splanchnic; spontaneous lesion; staphylococcal phage lys... |
|---|---|
| Tb | Tbilisi [phage]; terbium; tubercle bacillus; tuberculosis |
| IGL | immunoglobulin lambda |
| IGLJ | immunoglobulin lambda light chain J |
| IGLL | immunoglobulin lambda-like |
| PT | Phage Type |
|---|---|
| PT 4 | Phage type 4 |
| lambda phage | <virology> Bacterial DNA virus, first isolated from E. Coli. Its structure is similar to that of the T even phages. Lambda genetic material consists of a double-stranded DNA molecule with 5' twelve-base-pair sticky ends, known as cos sites, which permit circularisation of the DNA molecule. It shows a lytic cycle and a lysogenic cycle and studies on the control of these alternative cycles have been very important for our understanding of the regulation of gene transcription. It is used as a cloning vector, accommodating fragments of DNA up to 15 kilobase pairs long. For larger pieces, the cosmid vector was constructed from its ends. (14 Mar 2000) |
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| bacteriophage lambda | <microbiology, virology> A bacteriophage, or virus which infects bacteria, that infects E. Coli. It has a complex set of regulatory mechanisms to determine whether it will quietly insert its DNA into the bacterial genome to become dormant and to be reproduced whenever the bacterium reproduces (to lysogenize), or whether it will hijack the bacterium's cellular machinery to reproduce itself and prepare to infect more bacteria, causing the bacterium to self-destruct shortly after infection (to lyse). Lambda is particularly useful to geneticists because parts of it can be used to introduce foreign DNA into the bacterial genome, it is a cloning vector. (09 Oct 1997) |
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| immunoglobulins, lambda-chain | One of the light chains of the immunoglobulins with a molecular weight of approximately 22 kD. They constitute about 40% of all light chains and can be recognised serologically as well as by their specific amino acid sequence. (12 Dec 1998) |
| exonuclease lambda | An exonuclease enzyme that removes nucleotides from the 5' end of duplex DNA which have 5'-phosphate groups attached to them. (09 Oct 1997) |
| lambda | 1. The name of the Greek letter lambda, corresponding with the English letter L, l. 2. <anatomy> The point of junction of the sagittal and lambdoid sutures of the skull. <zoology> Lambda moth, a moth so called from a mark on its wings, resembling the Greek letter. Origin: NL, fr. Gr. Source: Websters Dictionary (01 Mar 1998) |
| lambda bacteriophage | <virology> Bacterial DNA virus, first isolated from E. Coli. Its structure is similar to that of the T even phages. Lambda genetic material consists of a double-stranded DNA molecule with 5' twelve-base-pair sticky ends, known as cos sites, which permit circularisation of the DNA molecule. It shows a lytic cycle and a lysogenic cycle and studies on the control of these alternative cycles have been very important for our understanding of the regulation of gene transcription. It is used as a cloning vector, accommodating fragments of DNA up to 15 kilobase pairs long. For larger pieces, the cosmid vector was constructed from its ends. (14 Mar 2000) |
| lambda chain | <immunology> Although light chains are found in many multimeric proteins, L chain usually refers to the light chains of immunoglobulins. These are of 22 kD and of one of two types, kappa or lambda. A single immunoglobulin has identical light chains (2 kappa or 2 lamda). Light chains have one variable and one constant region. There are isotype variants of both kappa and lamda. (25 Jun 1999) |
| lambda sign | <radiology> Small ascending aorta: same size as right and left coronary aa., hypoplastic left heart syndrome (12 Dec 1998) |
| b phage | b corynebacteriophage |
| virulent phage mutant | A mutant of a phage that is unable to establish lysogeny. (05 Mar 2000) |
| charon phage | A cloning vector made from the virus bacteriophage lambda that is used to clone DNA. (09 Oct 1997) |
| phage | 1. Synonym for bacteriophage. 2. <suffix> Eating, devouring. Origin: L. Phagedaena, Gr Phago, To eat. (20 Jun 2000) |
| phage integrase family | <enzyme> Enzymes that mediate site specific recombination in prokaryotes. They fall into two families, phage integrases and resolvases. (18 Nov 1997) |
| phage typing | <microbiology> Bacteria may be typed by their susceptibility to a range of bacteriophages though confusion may arise if the bacteria carry plasmids encoding restriction endonucleases. (18 Nov 1997) |
| helper phage | A virus which helps a separate and unrelated defective virus reproduce by infecting the same host cell that is already occupied by the defective virus and providing the proteins which the defective virus is missing and needs to complete its life cycle. (09 Oct 1997) |
| ssDNA phage | <molecular biology> Single strand DNA phages such as MS2, FX174, as opposed to double stranded DNA phages or RNA phages. (10 Mar 1998) |
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