Summary
In cell-free systems the addition of antigen stimulates the synthesis of informational RNA (i-RNA) which exhibits the following properties: It codes for the entire antibody molecule, it codes for the synthesis of regulator protein which initiates transcription of i-RNA with the correspondent informational content from DNA, it is a template for an an i-RNA dependent RNA polymerase, it is a template for an i-RNA dependent reverse transcriptase. The i-RNA may exist in a state of latency in cells. The product of reverse transcription of i-RNA is i-DNA which can be used to transcribe further i-RNA of the same specificity. Similar to i-DNA is an extracellular DNA which codes also for antibody and from which i-RNA can be transcribed. The data presented are summarized in a scheme of the flow of information during immunological reactions.
It could be shown that there exist three different types of extrachromosomally synthesized molecules — i-RNA, i-DNA and extracellular DNA — which bear immunological specific information. These extrachromosomal states of information may be relevant for the generation of antibody diversity.
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Abbreviations
- i-RNA:
-
informational RNA
- i-DNA:
-
informational DNA
- AAP:
-
antibody analogous product
- BPoFlys:
-
benzoyl-penicilloyl-formyl-l-lysine
- HSV:
-
Herpes simplex virus
- HBs:
-
Hepatitis virus B, surface antigen
- HBsad :
-
Hepatitis virus B, surface antigen, subtype ad
- HBsay :
-
hepatitis virus B, surface antigen, subtype ay
- PPD:
-
purified protein derivative of tuberculine
- i-RNARk :
-
i-RNA decoding for antibody against Rk
- i-RNAR5 :
-
i-RNA coding for antibody against R5
- R5:
-
receptor particle for phage T5, derived from E. coli
- Rk:
-
receptor particle for phage kappa, derived from Serratia marcescens
- SDS:
-
sodium dodecyl sulfate
- PBS:
-
phosphate buffered saline
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Jachertz, D. Gene activation during immune reaction. Mol Cell Biochem 24, 93–126 (1979). https://doi.org/10.1007/BF00314890
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DOI: https://doi.org/10.1007/BF00314890