Molecular Biotechnology: Principles and Applications - Glick B., Pasternak J. 2002

Fundamentals of Molecular Biotechnology
The Molecular Biotechnology Revolution
Conclusion

In 1973, Stanley Cohen, Herbert Boyer, and their colleagues developed a method for transferring Genetic information from one Organism to another. This method, which became known as Recombinant DNA technology, allowed scientists to isolate specific genes and introduce them into a new host organism. Recombinant DNA technology stimulated The Development of various scientific fields, but most importantly, it laid the foundation for The Emergence of biotechnology.

Biotechnology is largely aimed at using microorganisms to obtain products of commercial value. Prior to the recombinant DNA era, the most effective method for increasing organism productivity was mutagenesis followed by Selection of the optimal producing strain. This is a lengthy, labor-intensive, costly, and error-prone process that allows for the improvement of only a few traits inherent to the wild-type organism. In contrast, recombinant DNA technology is a rapid, efficient, and powerful tool that enables the creation of microorganisms with predetermined genetic characteristics. Moreover, this tool can be applied not only to microorganisms but also to plants and animals. The union of recombinant DNA technology and biotechnology gave rise to a highly dynamic and exceptionally exciting discipline—molecular biotechnology.

Molecular biotechnology immediately captured the public imagination. Backed by private capital, many small companies dedicated to Gene cloning (recombinant DNA technology) were established. Although it took these companies somewhat longer than expected to bring their products to market, a wide array of biotechnological products is already commercially available, and many more will emerge in the near future.

Molecular biotechnology has been meticulously scrutinized for potential negative consequences of its widespread adoption on humanity, given its virtually limitless scope of impact. Publicly sensitive issues such as experimental safety, environmental impact, and the patenting of genetically engineered organisms have been carefully addressed.

References

Anonymous. 1987. New Developments in Biotechnology — Background Paper: Public Perceptions of Biotechnology. Office of Technology Assessment, U.S. Congress, U.S. Government Printing Office, Washington, D.C. Bud R. 1991. Biotechnology in the twentieth century. Soc. Stud. Sсi. 21:415-457.

Bud R. 1993. The Uses of Life: a History of Biotechnology. Cambridge University Press, Cambridge, United Kingdom.

Busch L., W.B. Lacy, J. Burkhardt, L. R. Lacy. 1992. Plants, Power, and Profit: Social, Economic and Ethical Consequences of the New Biotechnologies. Blackwell Publishers, Cambridge, Mass.

Cohen S., A.C.Y. Chang, H.W. Boyer, R.B. Helling. 1973. Constmction of biologically functional bacterial Plasmids in vitro. Proc. Natl. Acad. Sсi. USA 70: 3240-3244.

Davis B.D. (ed.). 1991. The Genetic Revolution: Scientific Prospects and Public Perceptions. The Johns Hopkins University Press, Baltimore, Md.

Grace E.S. 1997. Biotechnologу Unzipped: Promises and Realities. Trifolium Press, Inc., Toronto, Canada.

Review Questions

1. What are the drawbacks of using the "mutagenesis and selection" method to obtain commercially valuable organisms with improved traits?

2. Why was the work of Cohen, Boyer, et al., published in 1973, considered revolutionary?

3. What is Karl Ereky's connection to biotechnology?

4. Describe the MAIN STAGES OF a biotechnological process.

5. Compare biotechnology and molecular biotechnology.

6. What concerns are associated with the development of molecular biotechnology?

7. Explain the meaning of the statement that "molecular biotechnology is a multidisciplinary science."

8. Name some of the potential opportunities offered by molecular biotechnology.

9. Describe The history of the biotechnology industry's development over the past 30 years.

10. Read the "News" section in recent issues of the journal "Nature Biotechnology," which you can find in a scientific library or online (http://biotech.nature.com), and examine a couple of reports in detail.



Last update: 12/08/2026

Editorial and Educational Adaptation: This material has been compiled based on the primary/original source text. The project team performed an editorial review, corrected technical inaccuracies, structured sections, and adapted the content for an educational format.

What was processed:

  • elimination of formatting defects (OCR errors, structural breaks, corrupted characters);
  • editorial organization of content;
  • standardization of terminology in accordance with academic sources;
  • verification of factual statements against the original source text.

All mentions of the author, publication year, and origin of the primary text have been preserved in accordance with the source.