virulence factors

Why Do Bacteria Use Toxins?

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Why Do Bacteria Use Toxins? Bacterial toxins are virulence factors that manipulate host cell functions and take over the control of vital processes of living organisms to favor microbial infection. Some toxins directly target innate immune cells, thereby annihilating a major branch of the host immune response. Why do bacteria need toxins? Thus, toxins and

How Do You Test For Virulence Genes?

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How Do You Test For Virulence Genes? Detection of virulence genes by PCR coli ATCC 25922 were used as positive and negative control respectively. PCR products were visualized by electrophoresis using a 1% agarose gel stained with ethidium bromide. What is virulence test? 4. Virulence Tests for the Isolates. Several factors of microbial origin are