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Study sets matching "HTLV 1"

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Study sets matching "HTLV 1"

24 terms
HTLV 1
What is HTLV 1
What does HTLV 1 cause
What was the significance of IL2 disco…
What type of virus is Human T Cell Leu…
Discovered following a similar virus in the gibbon ape. HTLV1…
HTLV 1 causes T cell Leukemia
Allowed for T-cell survival in culture
HTLV1 is a COMPLEX deltaretrovirus ... (remember complex RVs can…
What is HTLV 1
Discovered following a similar virus in the gibbon ape. HTLV1…
What does HTLV 1 cause
HTLV 1 causes T cell Leukemia
18 terms
HTLV-1
What two major diseases are associated…
How is HTLV-1 transmitted?
Describe the replication cycle of HTLV…
List the HTLV-1 foci of endemicity.
1. Adult T-cell Leukemia (ATL)... 2. HTLV-1 Associated Myelopath…
1. Mother/Child (transplacental and esp. breast milk)... 2. Sexu…
1. Binding to GLUT1 receptors on CD4+ T-cells and entry via f…
1. Japan... 2. Sub-Saharan Africa... 3. Carribean
What two major diseases are associated…
1. Adult T-cell Leukemia (ATL)... 2. HTLV-1 Associated Myelopath…
How is HTLV-1 transmitted?
1. Mother/Child (transplacental and esp. breast milk)... 2. Sexu…
32 terms
HTLV-1 and Prions
HTLV viruses ... classification and stru…
HTLV-1 ... general
what does HTLV-1 infect
HTLV-2... what is it... how does it relate…
HTLV viruses are single stranded diploid RNA virus (retroviru…
first retrovirus assoc with human clinical disease... onco-retr…
CD-4 T cells
first indentifed in cell lines from a pt with un unidentified…
HTLV viruses ... classification and stru…
HTLV viruses are single stranded diploid RNA virus (retroviru…
HTLV-1 ... general
first retrovirus assoc with human clinical disease... onco-retr…
25 terms
HIV & HTLV-1
What are some of the components of the…
Describe the replication cycle of the…
What are the different modes of transm…
What is Adult T-Cell Leukemia/Lymphoma…
1. LTRs - Long Terminal Repeats... 2.Gag genes - Structural... 3.…
1. The virus enters the cell by binding to GLUT1 receptors on…
1. Mother to child... - Transplacental (low efficiency) or breas…
- A type of aggressive leukemia/lymphoma of the mature CD4+ T…
What are some of the components of the…
1. LTRs - Long Terminal Repeats... 2.Gag genes - Structural... 3.…
Describe the replication cycle of the…
1. The virus enters the cell by binding to GLUT1 receptors on…
28 terms
HTLV-1 and gene therapy
what is HTLV-1?
what genes do HTLV-1 carry?
which part of the HTLV-1 genome behave…
where is HTLV-1 endemic?
Human T cell Leukemia Virus-1 is a complex deltaretrovirus... -…
The genome contains accessory genes (genes additional to gag,…
Tax gene behaves as an oncogene in cell culture... - It also act…
Different strains are endemic in different geographical regio…
what is HTLV-1?
Human T cell Leukemia Virus-1 is a complex deltaretrovirus... -…
what genes do HTLV-1 carry?
The genome contains accessory genes (genes additional to gag,…
31 terms
HTLV-1, Herpesviruses, HBV and Neoplasia
RNA Tumor Viruses
DNA Tumor Viruses
3 Mechanisms of Oncogenesis by retrovi…
Transducing Retroviruses
1. HTLV-1 and HTLV-2... 2. Hep C... Human T-Cell Lymphotropic Viru…
1. EBV (HHV-4)... 2. Kaposi's sarcoma (HHV-8)... 3. Hepatitis B... 4.…
1. Transducing retroviruses... 2. Cis-activating... 3. Trans-activa…
Cellular proto-oncogene inserted into viral genome... Tumor lat…
RNA Tumor Viruses
1. HTLV-1 and HTLV-2... 2. Hep C... Human T-Cell Lymphotropic Viru…
DNA Tumor Viruses
1. EBV (HHV-4)... 2. Kaposi's sarcoma (HHV-8)... 3. Hepatitis B... 4.…
34 terms
4.2 HIV and HTLV-1
What are the 3 main ways HIV is transm…
What constitutes stage 1 HIV?
What constitutes stage 2 HIV?
What constitutes stage 3 HIV?
Blood... Sexual intercourse... Mother -> child
CD4 > 500 or > 29%
CD4 200-499 or 14-29%
CD4 < 200 or < 14%
What are the 3 main ways HIV is transm…
Blood... Sexual intercourse... Mother -> child
What constitutes stage 1 HIV?
CD4 > 500 or > 29%
Human T cell lymphotropic virus (HTLV1)
What nonstructural proteins are essent…
Where do you find HTLV-1? (2)
How is HTLV-1 transmitted? (3)
Are cell free HTLV-1 viruses infectious?
- Tax= for replication... - HBZ
- Caribbean basin... - SW Japan
- STD... - mother to child... - blood... - aka: cell-cell contact
no, need cell-to-cell contact
What nonstructural proteins are essent…
- Tax= for replication... - HBZ
Where do you find HTLV-1? (2)
- Caribbean basin... - SW Japan
30 terms
Microbiology: Kaposi's Sarcoma, ATL, HAM + HTLV-1
Features of Cutaneous Lesions caused b…
Visceral Lesions caused by KS:
Kaposi's Sarcoma Lesions:
Morphology of Kaposi's Tumor cells:
PAINLESS, pink, purple or brown lesions due to increased prol…
Have cutaneous lesions along WITH WEIGHT LOSS OR FEVER
SPINDLE MORPHOLOGY
Features of Cutaneous Lesions caused b…
PAINLESS, pink, purple or brown lesions due to increased prol…
Visceral Lesions caused by KS:
Have cutaneous lesions along WITH WEIGHT LOSS OR FEVER
29 terms
Microbiology: Kaposi's Sarcoma, ATL, HAM + HTLV-1
Features of Cutaneous Lesions caused b…
Visceral Lesions caused by KS:
Morphology of Kaposi's Tumor cells:
Classic KS Features:
PAINLESS, pink, purple or brown lesions due to increased prol…
Have cutaneous lesions along WITH WEIGHT LOSS OR FEVER
SPINDLE MORPHOLOGY
Rare disease that has few lesions and is rarely life threaten…
Features of Cutaneous Lesions caused b…
PAINLESS, pink, purple or brown lesions due to increased prol…
Visceral Lesions caused by KS:
Have cutaneous lesions along WITH WEIGHT LOSS OR FEVER
18 terms
Treatment of Retroviral Infections (HTLV1 and 2), and Lentiviruses (HIV 1 and 2)
Nucleoside and nucleotide reverse tran…
Non nucleoside reverse transcriptase i…
Indications of Zidovudine
SE of Zidovudine
Zidovudine (Retrovir)... Didanosine... Lamivudane
Nevirapine... Efavirenz... Delavirdine (rarely used)... Etravirine (us…
Used in HAART... Decreases viral load and increases CD4+ cells... A…
Toxic to bone marrow, headaches, can be potentiated by other…
Nucleoside and nucleotide reverse tran…
Zidovudine (Retrovir)... Didanosine... Lamivudane
Non nucleoside reverse transcriptase i…
Nevirapine... Efavirenz... Delavirdine (rarely used)... Etravirine (us…
29 terms
HTLV and Prions
HTLV stands for
HTLV 1 vs HTLV 2
HTLV diagnosis
HTLV structure?... genome?... envelope?
human T cell leukemia / lymphoma virus
HTLV 1 infectes CD4 T cells, 1-5% inf devo sxs... HTLV 2 infect…
ELISA f/u with WB
enveloped... retrovirus - Diploid ssRNA
HTLV stands for
human T cell leukemia / lymphoma virus
HTLV 1 vs HTLV 2
HTLV 1 infectes CD4 T cells, 1-5% inf devo sxs... HTLV 2 infect…
27 terms
21) VHF, HIV, HTLV
Viral hemorrhagic fever (VHF)
VHF characteristics
VHF infect these cells
VHF pathogenesis
incubation 2-21 days... can result in death... no cure or drug trea…
enveloped RNA viruses... zoonotic... geographically isolated
Macrophages and Dendritic cells
inflammation and clotting pathways... T-cells get signal 1 but n…
Viral hemorrhagic fever (VHF)
incubation 2-21 days... can result in death... no cure or drug trea…
VHF characteristics
enveloped RNA viruses... zoonotic... geographically isolated
39 terms
VHF, HIV, HTLV
VHF: Introduction
VHF: General virus characteristics
VHF: Clinical Manifestations
VHF: General Pathogenesis
- Viral hemorrhagic fever... - caused by viruses= 5 families... - I…
- enveloped RNA viruses... - Zoonotic... - reservoirs: animals/ art…
- Initial signs & symptoms (nonspecific): fever, fatigue, diz…
- virus infects tissue macrophages and DCs [cytokines= inflam…
VHF: Introduction
- Viral hemorrhagic fever... - caused by viruses= 5 families... - I…
VHF: General virus characteristics
- enveloped RNA viruses... - Zoonotic... - reservoirs: animals/ art…
98 terms
DENT 533 Lecture 21 Retroviruses: HTLV and HIV/AIDS
What does HTLV stand for? (just the ac…
retroviruses are all similar because
what does diploid RNA mean?
Retroviruses are models for ____genes
human T-cell leukemia virus
they have a reverse transcriptase and a single stranded diplo…
two identical strands of the same RNA
oncogenes
What does HTLV stand for? (just the ac…
human T-cell leukemia virus
retroviruses are all similar because
they have a reverse transcriptase and a single stranded diplo…
72 terms
HIV/HTLV
What genus is T-lymphotropic virus in
what genus is HIV in
Both HIV and HTLV are what kind of virus
What important enzyme do HIV/HTLV carr…
Deltaretrovirus
Lentivirus
single stranded RNA (positive sense)
reverse transcriptase
What genus is T-lymphotropic virus in
Deltaretrovirus
what genus is HIV in
Lentivirus
61 terms
HTLV and prion
nuclear material of HTLV
HTLV belongs to this family
first retrovirus associated with human…
HTLV-1 infects
single stranded diploid RNA virus (retrovirus)
delta retroviridae
human T cell leukemia/lymphoma virus type 1 (HTLV-1)
CD4 T cells
nuclear material of HTLV
single stranded diploid RNA virus (retrovirus)
HTLV belongs to this family
delta retroviridae
46 terms
3: HTLV
Retrovirus
Name the 7 retrovirus genera.
Alpharetrovirus
Betaretrovirus
A large and diverse family of enveloped RNA viruses defined b…
1. Alpharetrovirus... 2. Betaretrovirus... 3. Gammaretrovirus... 4. De…
- C-type morphology... - Avian leukosis virus... - Rous sarcoma virus
- B- and D-type morphology... - Mouse mammary tumour virus... - Mas…
Retrovirus
A large and diverse family of enveloped RNA viruses defined b…
Name the 7 retrovirus genera.
1. Alpharetrovirus... 2. Betaretrovirus... 3. Gammaretrovirus... 4. De…
21 terms
Retroviruses HIV and HTLV
HIV modes of transmission
diagnostic methods for HIV
HIV diagnostic samples
can an acute HIV infection be detected…
sexual contact... IVDU (needle sharing)... Transfusion/ Transplanta…
culture no longer used... HIV p24 antigen... HIV antibody... CD4 count…
whole blood, serum, plasma, oral fluids, urine
no
HIV modes of transmission
sexual contact... IVDU (needle sharing)... Transfusion/ Transplanta…
diagnostic methods for HIV
culture no longer used... HIV p24 antigen... HIV antibody... CD4 count…
19 terms
Human T Cell Leukemia Virus: HTLV
_______: first isolated from a lesion…
_____: isolated from the blood of a pa…
_____: Isolated from the blood of a pa…
_____: Isolated from blood of healthy…
HTLV-1
HTLV-2
HTLV-3/LAV
STLV-3/HIV-2
_______: first isolated from a lesion…
HTLV-1
_____: isolated from the blood of a pa…
HTLV-2
96 terms
AIDS overview and HTLV
Human T-cell lymphotrophic virus 1 (HT…
HTLV1 virology
Adult T-cell leukemia/lymphoma (ATL)
treatment of ATL... ATL (adult T-cell leu…
transmitted via:... -blood (IV drug use)... -sex and breast feeding…
-single stranded RNA... -unique protein (pX) encodes regulatory…
-infiltrates skin, lymph nodes, liver, spleen by ATL cells... -H…
-Intrathecal chemo... -Allogenic stem cell transplantation (graf…
Human T-cell lymphotrophic virus 1 (HT…
transmitted via:... -blood (IV drug use)... -sex and breast feeding…
HTLV1 virology
-single stranded RNA... -unique protein (pX) encodes regulatory…
60 terms
BASI Week X: VHF, HIV, HTLV
Human T-lymphotrophic virus
Helical
HTLV stands for...
What kind of capsid does HIV have?
Human T-lymphotrophic virus
HTLV stands for...
Helical
What kind of capsid does HIV have?
25 terms
HIV retro aids htlv
HIV
enveloped cirus with positive polarity…
virion structure contins
GP120
Regulatory proteins; ... complex retrovirus - 6 proteins AIDS -…
Replication cycle begins with CD4 postive T lymphocytes - unv…
Protease, Integrase, and Reverse Transcriptase
surface protein attachement - starts a cascade to allow bindi…
HIV
Regulatory proteins; ... complex retrovirus - 6 proteins AIDS -…
enveloped cirus with positive polarity…
Replication cycle begins with CD4 postive T lymphocytes - unv…
Blood viruses 2
HTLV 1 and 2 ... Full name
HTLV 1 and 2 ... Mandatory?
HTLV 1 AND 2 ... History
HTLV 1 AND D ... Type of virus
Human T-cell lymphotrophic viruses
Y
First human retroviurs isolated
Retrovirus
HTLV 1 and 2 ... Full name
Human T-cell lymphotrophic viruses
HTLV 1 and 2 ... Mandatory?
Y
22 terms
HIV, Anti-Viral Drugs, - Cadet - (3Q, 6Q, )
tat gene
rev
vif
vpr
transactivator ... positive regulator of transcription
regulator of viral expression ... allows export of spliced tran…
Viral infectivity
Viral protein R ... transport of DNA to nucleus ... Stops viral pr…
tat gene
transactivator ... positive regulator of transcription
rev
regulator of viral expression ... allows export of spliced tran…
17 terms
Retroviruses
Retrovirus
Gag
Pol
Env
Diploid positive sense RNA... Reverse transcriptase enzyme
Codes for proteins that make up matrix, capsid and nuceloprot…
Codes for reverse transcriptase, integrase and protease enzymes
Codes for surface and transmembrane components of the viral e…
Retrovirus
Diploid positive sense RNA... Reverse transcriptase enzyme
Gag
Codes for proteins that make up matrix, capsid and nuceloprot…
12 terms
Retroviruses/ HIV Pathogenesis and Immunity
Define the term retroviruses and name…
Differentiate between onco-retroviruse…
Structure of retroviruses
Retroviral Genes
- Convert RNA genome to dsDNA via reverse transcriptase then…
2 major:... 1. oncvoretrovirus- HTLV-1/ HTLV-II... - they do not ki…
3 specific enzymes in core:... - protease... - RT (includes polymer…
RNA --> DNA --> integrates in host chromosome to make gene…
Define the term retroviruses and name…
- Convert RNA genome to dsDNA via reverse transcriptase then…
Differentiate between onco-retroviruse…
2 major:... 1. oncvoretrovirus- HTLV-1/ HTLV-II... - they do not ki…
143 terms
micro 1
The study of organisms too small to be…
Virology
Mycology
Parasitology
microbiology
study of viruses
study of fungi
study of parasites
The study of organisms too small to be…
microbiology
Virology
study of viruses
28 terms
Cancer Smears
HTLV
APL
Acute lymphoblastic leukemia
Acute myeloid leukemia
HTLV
APL
60 terms
First Aid Micro - Virology
Live Attenuated Vaccine mnemonic... "Live…
Killed Vaccine mnemonic... "RIP Always"
+ssRNA Viral Genome mnemonic... "I went t…
Naked Viral Genome Infectivity
Live attenuated vaccines:... -smallpox... -yellow fever... -chickenpox…
Killed vaccines:... -Rabies... -Influenza... -Polio (Salk)... -HAV
-Retrovirus... -Togavirus... -Flavivirus... -Coronavirus... -Hepevirus... -C…
Purified nucleic acids of most dsDNA (except poxviruses and H…
Live Attenuated Vaccine mnemonic... "Live…
Live attenuated vaccines:... -smallpox... -yellow fever... -chickenpox…
Killed Vaccine mnemonic... "RIP Always"
Killed vaccines:... -Rabies... -Influenza... -Polio (Salk)... -HAV
15 terms
Retrovirus: Human T cell Lymphotropic Virus
What are the forms of Human T cell Lym…
What strain of HTLV is associated with…
What strain of HTLV is associated with…
What is the HTLV 1 oncogenic transform…
1. HTLV 1 --> causative agent of Adult T cell Leukemia (ATL,…
HTLV 1
HTLV 1
1. HTLV 1 encodes TAX gene; a trans activator of transcriptio…
What are the forms of Human T cell Lym…
1. HTLV 1 --> causative agent of Adult T cell Leukemia (ATL,…
What strain of HTLV is associated with…
HTLV 1
22 terms
Ch 9 Oncogenesis RNA and DNA Virus
Adenoviridae
Poxviridae
Poxviridae
Poxviridae
-ssDNA virus
Human vaccine made from a relatives virus from a cow!
Class 1 animal virus that replicates in the cytoplasm
So big you can see it with a light microscope
Adenoviridae
-ssDNA virus
Poxviridae
Human vaccine made from a relatives virus from a cow!
22 terms
Chapter 6 Micro
Variola
Herpes Simplex 1
Herpes Simplex 2
Varicella zoster
small pox
fever blisters
genital herpes
chicken pox
Variola
small pox
Herpes Simplex 1
fever blisters
15 terms
Retrovirus: Human T cell Lymphotropic Virus
What are the forms of Human T cell Lym…
What strain of HTLV is associated with…
What strain of HTLV is associated with…
What is the HTLV 1 oncogenic transform…
1. HTLV 1 --> causative agent of Adult T cell Leukemia (ATL,…
HTLV 1
HTLV 1
1. HTLV 1 encodes TAX gene; a trans activator of transcriptio…
What are the forms of Human T cell Lym…
1. HTLV 1 --> causative agent of Adult T cell Leukemia (ATL,…
What strain of HTLV is associated with…
HTLV 1
20 terms
MICROBIO DISEASES 3
Plasmodium falciparum, vivid, ovale, m…
Ehrlichia species
Bacillus anthracis
HIV 1 or 2
Malaria
Ehrlichioses
Anthrax
HIV/AIDs
Plasmodium falciparum, vivid, ovale, m…
Malaria
Ehrlichia species
Ehrlichioses
84 terms
Medications
ssi reduction with abx?
prbcs
Cryoprecipitate
albumin
65% with hysterectomy
preop hgb > 7... 1 unit rasies hct by 3%, hgb by 1 = 250 cc... rbcs…
...
...
ssi reduction with abx?
65% with hysterectomy
prbcs
preop hgb > 7... 1 unit rasies hct by 3%, hgb by 1 = 250 cc... rbcs…
70 terms
Genes for dynamics cancer
Familial Adnomatous Polyposis
p53
BRCA1
Familial melanoma
5Q - colorectal adenoma
17p = lung and breast cancer
17q = breast cancer
9p = Malignant melanoma
Familial Adnomatous Polyposis
5Q - colorectal adenoma
p53
17p = lung and breast cancer
219 terms
OB
admission for pp depression
Rh D negative women who are not Rh D a…
if fetal thrombocytopenia is documented
Benign gestational thrombocytopenia
suicidal, homicidal... delusional... inability to care for self/inf…
1. at 28 weeks gestation unless paternity is known to be Rh D…
treat the neonatal alloimmune throbocytopenia with IVIG ... susp…
plts > 70,000 microL... asymptomatic pt with no hx of bleeding p…
admission for pp depression
suicidal, homicidal... delusional... inability to care for self/inf…
Rh D negative women who are not Rh D a…
1. at 28 weeks gestation unless paternity is known to be Rh D…
53 terms
Final Mirobiology RNA virus part 4
What virus is Family Retroviridae
True or false , HTLV are the oncogenic…
What many type of HTLV
What type of HTLV is most common
Human T Lymphotrophic Viruses ( HTLV)
True
2 type . HTLV 1 and HTLV 2
HTLV 1
What virus is Family Retroviridae
Human T Lymphotrophic Viruses ( HTLV)
True or false , HTLV are the oncogenic…
True
45 terms
Neonatology
surfactant deficiency xray
TTN xray
meconium aspiration xray
persistent pulmonary hypertension xray
surfactant deficiency xray
TTN xray
17 terms
VIRUS
Poxvirus
Herpes simplex 1 e 2
Virus varicella-zoster
Citomegalovirus
DNA, struttura complicata... agente eziologico del vaiolo umano,…
[Herpesvirus] DNA, l'antirecettore si lega al recettore per i…
[Herpesvirus] DNA... L'infezione primaria porta alla varicella,…
[Herpesvirus] DNA... il virus dissemina al tessuto linfoide loca…
Poxvirus
DNA, struttura complicata... agente eziologico del vaiolo umano,…
Herpes simplex 1 e 2
[Herpesvirus] DNA, l'antirecettore si lega al recettore per i…
36 terms
RNA Viruses
RNA Viruses -- 4 facts
Orthomyxo
Orthomyxo drift and shift
Hemaglutinin
*Single stranded (except reo)... *Can be icosahedral or helical…
=INFLUENZA... *Type: enveloped, helical, segmented (--unstable)…
A&B can drift = mutations in surface glycoproteins... Only A can…
Orthomyxo glycoprotein... Attach virus to sialic acid on resp ce…
RNA Viruses -- 4 facts
*Single stranded (except reo)... *Can be icosahedral or helical…
Orthomyxo
=INFLUENZA... *Type: enveloped, helical, segmented (--unstable)…
8 terms
Cancer Genetics and Oncogenic microbes
EBV
HBC HCV
HHV 8
HPV
Endemic Burkitt lymphoma, Hodgkin Lymphoma, Nasopharyngeal ca…
Hepatocellular carcinoma
Kaposi Sarcoma
Cervical, penile, anal carcinoma (type 16 and 18)
EBV
Endemic Burkitt lymphoma, Hodgkin Lymphoma, Nasopharyngeal ca…
HBC HCV
Hepatocellular carcinoma
62 terms
USMLE: Virology Basics
Viral structures
Recombination
Reassortment
Complementation
1.) Naked virus with icosahedral capsid... 2.) Enveloped virus w…
Exchange of genes between 2 chromosomes by crossing over w/in…
When viruses w/ segmented genomes (e.g., influenza virus) exc…
When 1 of 2 viruses that infect the cell has a mutation that…
Viral structures
1.) Naked virus with icosahedral capsid... 2.) Enveloped virus w…
Recombination
Exchange of genes between 2 chromosomes by crossing over w/in…
32 terms
Retroviruses
What is a retrovirus
What are the 3 main genes which are fo…
What does the Gag gene code for
What does the Pol gene code for
Retroviruses are unique as they contain *reverse transcriptas…
5'... Gag... Pol... Env... 3'
Codes for proteins which make up the matrix, capsid, and nucl…
Codes for reverse transcriptase and integrase and protease en…
What is a retrovirus
Retroviruses are unique as they contain *reverse transcriptas…
What are the 3 main genes which are fo…
5'... Gag... Pol... Env... 3'
52 terms
Boards: RNA viruses
RNA Virus: Envelope
RNA Virus: SS vs. DS
RNA virus: Genome Structure
RNA virus: +/- sense
Most do, the ones that don't are -> ... 1) Reoviruses... 2) Picorna…
All are SS, except -> Reovirus (DS)
All are linear, except ... 1) Arenavirus... 2) Bunyavirus... 3) Delta…
All are + sensitive, except ... 1) Circular viruses ... 2) Filoviru…
RNA Virus: Envelope
Most do, the ones that don't are -> ... 1) Reoviruses... 2) Picorna…
RNA Virus: SS vs. DS
All are SS, except -> Reovirus (DS)
24 terms
Viruses 1
Variola
Vaccinia
Papillomavirus
Polyomavirus
Smallpox
Cowpox
Warts
Tumors, cancer
Variola
Smallpox
Vaccinia
Cowpox
32 terms
Lecture 40: DNA and RNA viruses
General Characteristics of Viruses
Viral Components: Capsids, Nucleic Aci…
General Structure of Viruses
Functions of Capsid/Envelope
-Obligatory intracellular parasites... -Contain DNA or RNA... -Cont…
-Viruses bear no resemblance to cells:... --Lack protein-synthes…
Viral envelope:... -Mostly animal viruses... -Acquired when the vir…
-Protects the nucleic acid when the virus is outside the host…
General Characteristics of Viruses
-Obligatory intracellular parasites... -Contain DNA or RNA... -Cont…
Viral Components: Capsids, Nucleic Aci…
-Viruses bear no resemblance to cells:... --Lack protein-synthes…
306 terms
OB
sz do in preg
preconceptual counselling
canavan disease
familial dysautonomia
50% no change... 25% have more szs... 25% have less szs
discuss pregnancy plans at each visit... rubella screen, offer C…
1:40 auto recessive... ashkenazi jewish screening
1:32 auto rec... ashkenazi jewish screening
sz do in preg
50% no change... 25% have more szs... 25% have less szs
preconceptual counselling
discuss pregnancy plans at each visit... rubella screen, offer C…
20 terms
DNA and RNA Viruses
Host range
Viruses contain
Viral envelope
Functions of envelope
Determined by specific host attachment sites and cellular fac…
- External coat... - DNA or RNA
Protection... - Animal viruses... - Acquired from host but protei…
- Protects nucleic acid... - Helps virus bind to host... - Stimulat…
Host range
Determined by specific host attachment sites and cellular fac…
Viruses contain
- External coat... - DNA or RNA
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