
PICORNAVIRIDAE
... receptor specificity, tissue-specific susceptibility, virulence and the mechanisms of transmission. • Picornaviruses bind to cell specific surface receptors and this interaction is an important factor in determining host and tissue specificity of each virus. ...
... receptor specificity, tissue-specific susceptibility, virulence and the mechanisms of transmission. • Picornaviruses bind to cell specific surface receptors and this interaction is an important factor in determining host and tissue specificity of each virus. ...
Replication of Viruses
... virus particle becomes infectious; nucleic acids and capsids are assembled together. ...
... virus particle becomes infectious; nucleic acids and capsids are assembled together. ...
6 Viruses and Other Acellular Infectious Agents
... 1. Envelopes are membrane structures surrounding some (but not all) viruses a. Lipids and carbohydrates are usually derived from the host membranes b. Proteins are virus-specific c. Many have protruding glycoprotein spikes (peplomers) such as the enzymes neuraminidase and hemagglutinin 2. Although v ...
... 1. Envelopes are membrane structures surrounding some (but not all) viruses a. Lipids and carbohydrates are usually derived from the host membranes b. Proteins are virus-specific c. Many have protruding glycoprotein spikes (peplomers) such as the enzymes neuraminidase and hemagglutinin 2. Although v ...
Viruses
... Viral Host Cell Infection 1. After a cell attaches to its host cell, it injects its hereditary material into that cell. 2. After injection, the protein coat is left behind. 3. The injected genetic material begins to use the supplies in the host cell to manufacture new viruses. 4. After a period of t ...
... Viral Host Cell Infection 1. After a cell attaches to its host cell, it injects its hereditary material into that cell. 2. After injection, the protein coat is left behind. 3. The injected genetic material begins to use the supplies in the host cell to manufacture new viruses. 4. After a period of t ...
Immune Responses To Infectious Diseases Chpt.17
... • Surrounded By Plasma Membrane Of Host – 2 glycoproteins on surface • Hemagglutin (HA) and Neuroaminidase (NA) • HA is responsible for viral attachment to sialic acid found on glycoproteins • NA is responsible for detaching from sialic acid (budding) ...
... • Surrounded By Plasma Membrane Of Host – 2 glycoproteins on surface • Hemagglutin (HA) and Neuroaminidase (NA) • HA is responsible for viral attachment to sialic acid found on glycoproteins • NA is responsible for detaching from sialic acid (budding) ...
LN #12 Viruses
... nonliving. • They are unable to grow and reproduce on their own and therefore must infect cells to do so. ...
... nonliving. • They are unable to grow and reproduce on their own and therefore must infect cells to do so. ...
Paracytology and virology 2nd stage Germs: Viruses, Bacteria, and
... Virion: The complete virus particle. In some instances (eg, papillomaviruses, picornaviruses), the virion is identical with the nucleocapsid. In more complex virions (herpesviruses, orthomyxoviruses), this includes the nucleocapsid plus a surrounding envelope. Classification of Viruses Basis of Clas ...
... Virion: The complete virus particle. In some instances (eg, papillomaviruses, picornaviruses), the virion is identical with the nucleocapsid. In more complex virions (herpesviruses, orthomyxoviruses), this includes the nucleocapsid plus a surrounding envelope. Classification of Viruses Basis of Clas ...
Plant virus genome organization
... RdRp: polymerases that catalyze transription of RNA from an RNA template is RdRp (RNA dependent RNA polymerase) Replicase: the enzyme complex that makes copies of an entire RNA genome & the subgenomic mRNA. Transcriptase: in an RdRp is found as a functional part of the virus particle it is called tr ...
... RdRp: polymerases that catalyze transription of RNA from an RNA template is RdRp (RNA dependent RNA polymerase) Replicase: the enzyme complex that makes copies of an entire RNA genome & the subgenomic mRNA. Transcriptase: in an RdRp is found as a functional part of the virus particle it is called tr ...
Virus
... • Show more variety in genomes than cells – The genetic material a virus contains is the primary way scientists categorize and classify viruses ...
... • Show more variety in genomes than cells – The genetic material a virus contains is the primary way scientists categorize and classify viruses ...
1. What are the symptoms in bacterial disease: Cankers, Wilts, Shoot
... either deoxyribonucleic acid (DNA) or ribonucleic acid (RNA). Unlike living cells, viruses will have either DNA or RNA, but not both. The genetic material is a blueprint for determining the structure and behavior of a cell. In a virus, a protein coat called a "capsid" surrounds the nucleic acid. Thi ...
... either deoxyribonucleic acid (DNA) or ribonucleic acid (RNA). Unlike living cells, viruses will have either DNA or RNA, but not both. The genetic material is a blueprint for determining the structure and behavior of a cell. In a virus, a protein coat called a "capsid" surrounds the nucleic acid. Thi ...
Coxsackievirus
... Once VP1 bound to receptor on the target cell,then VP4 is released,+ssRNA enter the cell. +ssRNA:infectious. ...
... Once VP1 bound to receptor on the target cell,then VP4 is released,+ssRNA enter the cell. +ssRNA:infectious. ...
Chapter 19- Viruses
... Nucleic acid enclosed in a capsid (protein coat) and, sometimes, a membranous envelope (proteins derived from host cell). ...
... Nucleic acid enclosed in a capsid (protein coat) and, sometimes, a membranous envelope (proteins derived from host cell). ...
Viruses Lecture 1
... Ebola – filamentous form – 60-80nm in diameter, on average 1000 nm long (but highly variable) Chickenpox virus Polio Virus Influenza virus HIV virus Hepatitis – this one actually Hepatits B magnified 120,000X Foot and Mouth disease – 1967 outbreak in the UK saw the destruction of 400,000 animals Vir ...
... Ebola – filamentous form – 60-80nm in diameter, on average 1000 nm long (but highly variable) Chickenpox virus Polio Virus Influenza virus HIV virus Hepatitis – this one actually Hepatits B magnified 120,000X Foot and Mouth disease – 1967 outbreak in the UK saw the destruction of 400,000 animals Vir ...
BACTERIA - Virus and Bacteria worksheet
... 1. ____________________ Do viruses belong to a kingdom? 2. _____________________________ A virus is made of ____ and ____. 3. ________________________ Viruses that contain RNA are called: 4. ________________________ Name of virus that attack bacteria? 5. ________________________ Made up of only ...
... 1. ____________________ Do viruses belong to a kingdom? 2. _____________________________ A virus is made of ____ and ____. 3. ________________________ Viruses that contain RNA are called: 4. ________________________ Name of virus that attack bacteria? 5. ________________________ Made up of only ...
Essential knowledge 3.C.3:
... them in patches on the plasma membrane. 4. New viruses bud (like exocytosis) from the areas of these clusters. Thus, the envelop is derived from the host cell membrane although some of the proteins contained in it are of viral origin. Note that this cycle does not necessarily kill the host cell. ...
... them in patches on the plasma membrane. 4. New viruses bud (like exocytosis) from the areas of these clusters. Thus, the envelop is derived from the host cell membrane although some of the proteins contained in it are of viral origin. Note that this cycle does not necessarily kill the host cell. ...
Human disease
... (eukaryotic DNA synthesis occurs in nucleus, protein synthesis in cytoplasm). • Some viruses replicate in nucleus while other replicate in the cytoplasm. • Splicing and RNA modifications are often found. • Reverse transcriptase (a polymerase using RNA as the template to make DNA) is critical to some ...
... (eukaryotic DNA synthesis occurs in nucleus, protein synthesis in cytoplasm). • Some viruses replicate in nucleus while other replicate in the cytoplasm. • Splicing and RNA modifications are often found. • Reverse transcriptase (a polymerase using RNA as the template to make DNA) is critical to some ...
Viruses: Bacterial and Animal
... • Infectious agent increases in amount over a long time during which there are no symptoms • Examples are HIV found in the Retroviridae family • Retroviruses use reverse transcriptase to replicate ssRNA ...
... • Infectious agent increases in amount over a long time during which there are no symptoms • Examples are HIV found in the Retroviridae family • Retroviruses use reverse transcriptase to replicate ssRNA ...
Instrumentation and Process Control
... then serves as the template for the synthesis of the actual viral genome. The following examples from should make this clear: (1) poliovirus makes a negative-strand intermediate, which is the template for the positive-strand genome; (2) influenza, measles, and rabies viruses make a positive strand i ...
... then serves as the template for the synthesis of the actual viral genome. The following examples from should make this clear: (1) poliovirus makes a negative-strand intermediate, which is the template for the positive-strand genome; (2) influenza, measles, and rabies viruses make a positive strand i ...
PPT Version - OMICS International
... Gene situated on the chromosome 20 in humans, 13 in bovine and 2 in mice. • This gene was found in all vertebrates and invertebrates and is expressed mainly in the CNS and the reticular-endothelial system. • The gene product (PrPc ) is transported outside the cell and anchored on the cell membrane a ...
... Gene situated on the chromosome 20 in humans, 13 in bovine and 2 in mice. • This gene was found in all vertebrates and invertebrates and is expressed mainly in the CNS and the reticular-endothelial system. • The gene product (PrPc ) is transported outside the cell and anchored on the cell membrane a ...
HIV Coloring
... In general, viruses have very small genomes which means that they don’t have many genes. Also, their genetic information encodes few of the proteins needed for reproduction. For this reason, most viruses must use the proteins provided by their host in order to reproduce (make more viruses). In a way ...
... In general, viruses have very small genomes which means that they don’t have many genes. Also, their genetic information encodes few of the proteins needed for reproduction. For this reason, most viruses must use the proteins provided by their host in order to reproduce (make more viruses). In a way ...
Notes: Viruses
... May also have a viral envelope formed from the host cell membrane. • It may be covered with spikes used to recognize and attach to cells it infects. ...
... May also have a viral envelope formed from the host cell membrane. • It may be covered with spikes used to recognize and attach to cells it infects. ...
C) Viral Life Cycles - Mr. Lesiuk
... - Do not eat - Do not grow - Do not move **Do not reproduce on their own, must hijack host cells ...
... - Do not eat - Do not grow - Do not move **Do not reproduce on their own, must hijack host cells ...
Viruses - Humble ISD
... Benefits of Viruses - Not all viruses are bad! – __________________ for viral diseases are made from _________________________ of the virus – A weaker virus is capable of stimulating an ______________________ and creating _________________, but not causing illness Viral Hosts ...
... Benefits of Viruses - Not all viruses are bad! – __________________ for viral diseases are made from _________________________ of the virus – A weaker virus is capable of stimulating an ______________________ and creating _________________, but not causing illness Viral Hosts ...
Viruses - St Mary
... Retroviruses • Retroviruses also contain RNA as their genetic material. • When a virus infects a cell, it produces a copy of viral DNA from the viral RNA code. • The new DNA becomes part of the hereditary apparatus of the infected human cell. • The host cell does not burst, but it changes permanent ...
... Retroviruses • Retroviruses also contain RNA as their genetic material. • When a virus infects a cell, it produces a copy of viral DNA from the viral RNA code. • The new DNA becomes part of the hereditary apparatus of the infected human cell. • The host cell does not burst, but it changes permanent ...