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Samenvatting virologie (alle hoofdstukken + afbeeldingen)

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samenvatting virologie hoofdstuk slides + notities

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Samenvatting virologie
1 Hoofdstuk 1. Inleiding
1.1 Situering van virussen
Buiten 5 rijken volgens Whittacker



1.2 Algemene eigenschappen van virussen




1.3 Vermenigvuldiging van virussen
Intracellulair:

1) Initiële stap  adsorptie en penetratie
2) Eclipse fase  virus niet opspoorbaar; replicatie genoom/eiwitcapside
3) Maturatie  assemblage alle deeltjes
4) Vrijkomen  nieuwe deeltjes vrij



1.4 Heterogene groep van virussen
Eenvoudige/naakte virussen:

- Tabaksmozaïekvirus (TMV): staafvormige holle buis; RNA
- Adenovirus: icosaëder; DNA

Virussen met enveloppe:

Enveloppe:

 Membraan uit eiwitten, koolhydraten en lipiden
 Soms uit heamagglutinines en/of enzymes
 Afkomstig van delen gastheercel

- Influenza virus

, Complexe virussen:

- (bacterio)fagen: capside ingewikkelder van bouw  kop/staart morfologie
o Kop: te vergelijken met capside sferische virussen; bevat genoom
o Staart: holle buis waardoor genoom passeert bij infectie cel
o Pootjes: op uiteinde staart; draden voor vasthechting aan gastheercel
- Pokkenvirus (Vaccinia):
o DNA: centraal gelegen biconcave schijf omring door verschillende
membranen uit eiwitten en lipiden



2 Indeling van virussen

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Uploaded on
January 13, 2023
File latest updated on
January 15, 2023
Number of pages
31
Written in
2022/2023
Type
SUMMARY

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