Transduction virus describes a specific mechanism by which genetic material is transferred from one bacterium to another through the action of a bacteriophage, commonly known as a virus that infects bacteria. When this defective phage particle subsequently infects a new bacterial host, it injects the donor bacterial DNA, which can then integrate into the recipient's genome via homologous recombination, provided the sequences match.
Transduction Unlocking Viral Mysteries: The Mechanism and Significance of Gene Transfer
Biological and Medical Significance The role of transduction virus extends beyond basic bacterial genetics; it is a critical driver of bacterial evolution and adaptation. During the replication phase, the phage takes over the bacterial machinery to produce new viral components.
Mechanism Vector DNA Source. Distinguishing Transduction from Other Gene Transfer Methods To fully grasp the concept of transduction, it is essential to differentiate it from the other primary mechanisms of horizontal gene transfer: conjugation and transformation.
Unlocking Viral Mysteries: The Mechanism of Transduction
When these prophages excise themselves to enter the lytic cycle, they may occasionally excise imprecisely. This erroneous excision results in the phage DNA carrying adjacent bacterial genes and leaving behind some of its own viral genes, leading to a hybrid genome that is specific to genes near the integration site.
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