Tag Archives | Bacteria

Methods of Sexual Reproduction in Bacteria

The following points highlight the three methods of Sexual Reproduction (Para Sexuality) in Bacteria. The methods are: 1. Conjugation 2. Transformation 3. Transduction. Method # 1. Conjugation: It was first discovered in Escherichia coli by Lederberg and Tatum (1946). They found that two different types of auxotroph (nutritional mutants) grown together on minimal medium produced an occasional prototroph (wild type). [...]

By |2016-09-06T07:56:40+00:00September 6, 2016|Bacteria|Comments Off on Methods of Sexual Reproduction in Bacteria

Plasmids in Bacteria: Properties, Types and Replication

In this article we will discuss about:- 1. General Properties of Plasmids 2. Types of Plasmids 3. Replication 4. Incompatibility 5. Library. General Properties of Plasmids: Plasmids are defined as extra-chromosomal genetic elements, occurring chiefly in bacteria and rarely in eukaryotic organisms. In bacteria, plasmids are circular double-stranded DNA molecules which contain genes controlling a wide variety of functions. In [...]

By |2016-09-01T09:13:21+00:00September 1, 2016|Bacteria|Comments Off on Plasmids in Bacteria: Properties, Types and Replication

Growth of Bacteria (With Diagram) | Microbiology

In this article we will discuss about:- 1. Definition of Growth 2. Measurement of Bacterial Growth 3. Multiplication of Unicellular Bacteria 4. Determination of Generation Time 5. Growth Curve 6. Continuous Culture 7. Synchronous Culture 8. Culture Media 9. Enrichment Culture 10. Requirements of Macro- and Micro-Elements for Growth 11. Physical Factors Influencing Growth. Contents: Definition of Growth Measurement of [...]

By |2016-08-31T15:42:02+00:00August 31, 2016|Growth of Bacteria|Comments Off on Growth of Bacteria (With Diagram) | Microbiology
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