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clase 13.10.09_Evasión respuesta frente a bacterias
clase 13.10.09_Evasión respuesta frente a bacterias

... pilus/fibrillar organelle. Antibodies targeting the adhesin protein block the bacterial/host interaction. demonstrates a similar process of bacterial/epithelial cell interactions mediated by afimbrial adhesin proteins. In this case, antibodies directed against the bacterial surface proteins should a ...
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A1980JJ08100001

... Yale) on the basis of their inability to grow on lactose and yet endowed with ß-galactosidase activity, we now found, did not concentrate galactosides These and related observations led us to postulate an inducible, stereospecific transport system composed, at least in part, of protein. At about the ...
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... c. Major differences: Gram + and gram 6. Distinguish between the structure and staining properties of gram-positive and gramnegative bacteria. Explain why disease-causing gram-negative bacterial species are generally more pathogenic than disease-causing gram-positive bacteria. a. Gram i. Light pink ...
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... Short, straight, thin hair-like appendages FIMBRIAE  occur at poles or evenly distributed  Few to several hundred / cell  Adhere to surfaces forming biofilms PILI  Usually longer  Only one or two /cell  Involved in motility (twitching and gliding motility) and DNA transfer (conjugation) ...
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... (32.9 %) were culture positive, most (81.4 %) having come from females. The bacterium isolated most frequently was Escherichia coli (60.1 %) followed by Klebsiella pneumoniae (6.9 %), Pseudomonas aeruginosa (6.6 %), Proteus mirabilis (5.4 %) and Acinetobacter baumannii (1.4 %). The Gram-negative iso ...
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Genetics of Viruses and Bacteria

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... 7. Other than being prokaryotic, state two ways in which a typical bacterial cell differs from a typical human cell (e.g. cell from cheek lining). 8. What are antibiotics? 9. Describe how some bacteria respond in order to survive when environmental conditions become unfavourable. 10. What is meant w ...
UNIT 4: Introduction to Bacteriology
UNIT 4: Introduction to Bacteriology

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... • mycelium – network of long, multinucleate filaments • pleomorphic – organisms that are variable in shape ...
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Bacterial morphological plasticity

Bacterial morphological plasticity refers to evolutionary changes in the shape and size of bacterial cells. As bacteria evolve, morphology changes have to be made to maintain the consistency of the cell. However, this consistency could be affected in some circumstances (such as environmental stress) and changes in bacterial shape and size, but specially the transformation into filamentous organisms have been recently showed. These are survival strategies that affect the bacterial normal physiology in response for instance to innate immune response, predator sensing, quorum sensing and antimicrobial signs.
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