22249852-Virusologie-Umana
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Transcript of 22249852-Virusologie-Umana
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Virusologie umana
Criterii taxonomice
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CRITERII TAXONOMICE
1.caracterele virionului
dimensiuni
formprezena/absena nveliului
structur
simetrie
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CRITERII TAXONOMICE
2. caracterele genomului
tip de acid nucleic nr. de catene
structura liniar au circular sensul catenelor pozitiv negativ
ambisens nr. de segmente dimensiunea genomului etc.
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CRITERII TAXONOMICE
3. mod de replicare
strategia de replicare caracterele transcrierii
caracterele translaiei
locul de asamblare locul de maturare etc.
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CRITERII TAXONOMICE
4. caracterele proteinelor virale
numrul proteinelor
secvene de aminoacizi
funciile transcriptaze
reverstranscriptaze
hemaglutinine neuraminidaze
factori de fuziune etc.
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CRITERII TAXONOMICE
5. comportament fa de ageni fizici ichimici
stabilitate la
pH
temperatur
solveni
detergeni
radiaii etc.
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CRITERII TAXONOMICE
6. caractere biologice
relaii serologicespectrul de gazd natural
spectrul de gazd experimental bacterii plante animale
vertebrate nevertebrate transmitere etc.
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CRITERII TAXONOMICE
7. patogenitate
tropism
neuro dermo
entero etc.
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CRITERII TAXONOMICE
8. distribuie geografic
encefalita de taiga
febra hemoragic bolivian encefalite West Nile etc
9. criterii filogenetice
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NIVELE TAXONOMICE
SPECIE grupuri de tulpini diferite geneticdenumire: virus respirator sinciial uman GEN grupuri de specii cu
caractere comune i cu particulariti proprii ce le difereniaz fa de alte grupuri denumire: sufixul virus: Pneumovirus SUBFAMILIEseparat n interiorul unei familii denumire: sufixul virinae: Pneumovirinae FAMILIE denumire: sufixul viridae: Paramyxoviridae ORDIN denumire: sufixul virales: Mononegavirales, Nidovirales, Caudovirales
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NIVELE TAXONOMICE
(exemplu)
familia Herpesviridae,
subfamilia Alphaherpesvirinae,
genul Simplexvirus, specia Virus herpessimplex serotip 2 cvasispeciepopulaiide virioni derivai dintr-un genom parentaliniial acumulare de mutaii.
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VIRUSURI ARN
dublu catenar
fr nveli
REOVIRIDAE ROTAVIRUS
ROTAVIRUS
- gastroenterite
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VIRUSURI ARN
monocatenar sens -
cu nveli PARAMYXOVIRIDAE PARAMYXOVIRINAE RESPIROVIRUS V.
PARAGRIPAL
- RUBULAVIRUS V-OREIONULUI
- MORBILLIVIRUS V.RUJEOLOS PNEUMOVIRINAE PNEUMOVIRUS - VRS
ARENAVIRIDAE ARENAVIRUS V. CORIOMENINGITEI LIMFOCITARE,
V. LASSA BUNYAVIRIDAE BUNYAVIRUS; HANTAVIRUS; NAIROVIRUS;
PHLEBOVIRUS
RHABDOVIRIDAE
LYSSAVIRUS V.RABIC
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VIRUSURI ARN monocatenar
sens +
cu nveli
RETROVIRIDAE ONCOVIRINAE ONCOVIRUS
LENTIVIRINAE LENTIVIRUS HIV, SIV,
SPUMAVIRINAE
CORONAVIRIDAE
CORONAVIRUS CORONAVIRUSURI UMANE TOGAVIRIDAE
ALPHAVIRUS
RUBIVIRUS V.RUBEOLOS
FLAVIVIRIDAE FLAVIVIRUS
ARBOVIRUSURI
- HEPACIVIRUS V.HEPATITEI
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Virus ARN
monocatenar sens + fr nveli PICORNAVIRIDAE ENTEROVIRUS - V.POLIO;
V.COXSACKIE A,B; V.ECHO
HEPATOVIRUS V.HEPATITEI A RHINOVIRUS RHINOVIRUS UMAN APHTOVIRUS V.AFTOS CARDIOVIRUS
V.ENCEFALOMIOCARDITEI
ORFANOVIRUS V.ECHO TIP 22-23
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VIRUSURI AND
dublucatenar
cu nveli
HERPESVIRIDAE
ALPHAHERPESVIRINAE SIMPLEXVIRUS V. HERPES
SIMPLEX 1, 2- VARICELLAVIRUS V. VARICELLA-ZOSTER
BETAHERPESVIRINAE CYTOMEGALOVIRUS V.CITOMEGALIC
- ROSEOLOVIRUSV. HERPETIC UMAN 6 I 7
GAMMAHERPESVIRINAE - RHADINOVIRUS V. HERPETICUMAN 8
HEPADNAVIRIDAE
OTHOHEPADNAVIRUS V. HEPATITEI B
AVIHEPADNAVIRUS
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V
IR
U
S
AD
N
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VIRUSURI ADN
dublucatenar
fr nveli
ADENOVIRIDAE
MASTADENOVIRUS ADENOVIRUS
AVIADENOVIRUS
PAPILLOMAVIRIDAE
PAPILLOMAVIRUS V. PAPILOAMELOR UMANE
POLYOMAVIRIDAE
POLYOMAVIRUS
VIRUSURI ADN
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VIRUSURI ADN
cu structur complex POXVIRIDAE ORTHOPOXVIRUS V. VARIOLIC;
V.VACCINIA
PARAPOXVIRUS V. ORF;PSEUDOCOWPOXVIRUSURIMOLLUSCIPOXVIRUS V. MOLLUSCUM
CONTAGIOSUM
LEPOTIPOXVIRUS V. MYXOMULUI