TAXONOMY of VIRUSES
... • Contain one type of nucleic acid, either DNA or RNA • Nucleic acid surrounded by a protein coat called the capsid • Have very little enzymes of their own – Use host cell enzymes for replication and packaging – Molecular, nonliving entities (acellular that is not cells) ...
... • Contain one type of nucleic acid, either DNA or RNA • Nucleic acid surrounded by a protein coat called the capsid • Have very little enzymes of their own – Use host cell enzymes for replication and packaging – Molecular, nonliving entities (acellular that is not cells) ...
Negative sense RNA viruses
... - prevention by animal immunization; rarely used for humans - treatment shortly after transmission required; natural mortality in untreated humans is 15-25% - particularly unpleasant death makes this one of the most feared viruses Genus Ephemerovirus - Bovine ephemeral virus is most important - low ...
... - prevention by animal immunization; rarely used for humans - treatment shortly after transmission required; natural mortality in untreated humans is 15-25% - particularly unpleasant death makes this one of the most feared viruses Genus Ephemerovirus - Bovine ephemeral virus is most important - low ...
Antiviral Drugs. Treatment of Selected Canine and Feline Viral
... Canine distemper virus spreads by aerosolization to the epithelium of the upper respiratory tract. Multiplication in tissue macrophages leads to spread to tonsils, bronchial lymph nodes and to lymphatic tissues of the GIT, liver etc. Additional spread generally is hematogenous. Leukopenia character ...
... Canine distemper virus spreads by aerosolization to the epithelium of the upper respiratory tract. Multiplication in tissue macrophages leads to spread to tonsils, bronchial lymph nodes and to lymphatic tissues of the GIT, liver etc. Additional spread generally is hematogenous. Leukopenia character ...
Peach Stunt Disease and Associated Diseases of Peach
... of blooms and fruit. Foliar symptoms characteristic of singular infections by each of these viruses are often absent in co-infected trees. Transmission: Both PDV and PNRSV can be spread through pollen, seed, or by grafting. Evidence suggests that natural spread within peach orchards via insects duri ...
... of blooms and fruit. Foliar symptoms characteristic of singular infections by each of these viruses are often absent in co-infected trees. Transmission: Both PDV and PNRSV can be spread through pollen, seed, or by grafting. Evidence suggests that natural spread within peach orchards via insects duri ...
viruses
... There are various methods used to control bacterial growth, including: • sterilization • disinfectants • food processing ...
... There are various methods used to control bacterial growth, including: • sterilization • disinfectants • food processing ...
how hiv infects cells
... In general, viruses have very small genomes. This means they can encode a very limited number of their own proteins. For this reason, most viruses must use the proteins provided by their host in order to reproduce (make more viruses). In a way, viruses act like parasites. They bring very little with ...
... In general, viruses have very small genomes. This means they can encode a very limited number of their own proteins. For this reason, most viruses must use the proteins provided by their host in order to reproduce (make more viruses). In a way, viruses act like parasites. They bring very little with ...
Cheng Zhang`s Muslim Medic Microbiology
... 2. Transposons – mobile genetic elements integrate to chromosomal DNA 3. Integrons – gene cassettes in clusters, collect resistance genes ...
... 2. Transposons – mobile genetic elements integrate to chromosomal DNA 3. Integrons – gene cassettes in clusters, collect resistance genes ...
Chapter 6 An Introduction to Viruses
... • Some animal viruses enter the host cell and permanently alter its genetic material resulting in cancer – transformation of the cell • Transformed cells have an increased rate of growth, alterations in chromosomes, and the capacity to divide for indefinite time periods resulting in tumors • Mammali ...
... • Some animal viruses enter the host cell and permanently alter its genetic material resulting in cancer – transformation of the cell • Transformed cells have an increased rate of growth, alterations in chromosomes, and the capacity to divide for indefinite time periods resulting in tumors • Mammali ...
Lecture GuideViruses(Ch13)–7e
... This chapter is on the general characteristics of viruses and focuses on both bacterial and animal viruses and their life cycles. Let’s start with a quick look at the history behind their discovery and then look at the general structure of viruses. In the late 1800’s (1890) there were scientists wor ...
... This chapter is on the general characteristics of viruses and focuses on both bacterial and animal viruses and their life cycles. Let’s start with a quick look at the history behind their discovery and then look at the general structure of viruses. In the late 1800’s (1890) there were scientists wor ...
Virus - KICS Learns
... attacks cells in the nose, while an enterovirus binds to cells in the stomach and intestines. Then the virus works its way through the host cell's outer membrane. After entering the cell, the virus begins making identical viruses from the host cell's protein. These new viruses may make their way bac ...
... attacks cells in the nose, while an enterovirus binds to cells in the stomach and intestines. Then the virus works its way through the host cell's outer membrane. After entering the cell, the virus begins making identical viruses from the host cell's protein. These new viruses may make their way bac ...
LOct29 viruses
... -symptoms include: anorexia, malaise, nausea, diarrhea, abdominal discomfort, fever, and chills lasting 2-21 days ...
... -symptoms include: anorexia, malaise, nausea, diarrhea, abdominal discomfort, fever, and chills lasting 2-21 days ...
Influenza Virus
... V respiratory epithelial cells facial lymph nodes blood viremia parotid glands, the other tissues Disease manifestation: Typical symptom: unilateral or bilateral non-suppurative parotitis, fever Severe complications: testitis, ovaritis, pancreatitis, aseptic meningitis Immunity: permanent Preve ...
... V respiratory epithelial cells facial lymph nodes blood viremia parotid glands, the other tissues Disease manifestation: Typical symptom: unilateral or bilateral non-suppurative parotitis, fever Severe complications: testitis, ovaritis, pancreatitis, aseptic meningitis Immunity: permanent Preve ...
Meet the Microbes - Science Prof Online
... to the latent, recurring infections typical of this group. ...
... to the latent, recurring infections typical of this group. ...
Viruses and Evolution Student Recording Sheet
... b. Another way is by one viral strain jumping from one kind of animal such as a bird to individuals of different species without undergoing any genetic change. If the virus can reproduce and infe ...
... b. Another way is by one viral strain jumping from one kind of animal such as a bird to individuals of different species without undergoing any genetic change. If the virus can reproduce and infe ...
virus
... • Since viruses can reproduce only within cells, they probably evolved as bits of cellular nucleic acid • Coevolution exists between virus and host. – Defenses that bacteria have against invasion from phage infection• Mutant receptor sits no longer recognized by phage proteins • Enzymes that digest ...
... • Since viruses can reproduce only within cells, they probably evolved as bits of cellular nucleic acid • Coevolution exists between virus and host. – Defenses that bacteria have against invasion from phage infection• Mutant receptor sits no longer recognized by phage proteins • Enzymes that digest ...
Viruses and Bacteria
... Many disease-causing viruses have both lytic and (16) __________________ cycles. For example, when HIVs infect (17) ______________________ , the viruses enter a lysogenic cycle. Their genetic material becomes incorporated into the (18) __________________ of the white blood cells, forming (19) ______ ...
... Many disease-causing viruses have both lytic and (16) __________________ cycles. For example, when HIVs infect (17) ______________________ , the viruses enter a lysogenic cycle. Their genetic material becomes incorporated into the (18) __________________ of the white blood cells, forming (19) ______ ...
Introduction to Virology
... C. Class III: dsRNA D. Class IV: ss(+)RNA E. Class V: ss(-)RNA F. Class VI: ss(+)RNA with dsDNA intermediate ...
... C. Class III: dsRNA D. Class IV: ss(+)RNA E. Class V: ss(-)RNA F. Class VI: ss(+)RNA with dsDNA intermediate ...
eprint_5_13643_353
... Many viruses induce apoptosis (programmed cell death) in infected cells. This can be an important part of the host cell defense against a virus - cell death before the completion of the viral replication cycle may limit the number of progeny and the spread of infection. (Some viruses delay or preven ...
... Many viruses induce apoptosis (programmed cell death) in infected cells. This can be an important part of the host cell defense against a virus - cell death before the completion of the viral replication cycle may limit the number of progeny and the spread of infection. (Some viruses delay or preven ...
BACTERIA & VIRUSES - Bishop Shanahan High School
... LYTIC CYCLE – Virus enters the cell; makes viral copies; cell bursts and is destroyed LYSOGENIC CYCLE- Viral DNA becomes embedded into DNA of host and replicates with host DNA. Cell is not destroyed ...
... LYTIC CYCLE – Virus enters the cell; makes viral copies; cell bursts and is destroyed LYSOGENIC CYCLE- Viral DNA becomes embedded into DNA of host and replicates with host DNA. Cell is not destroyed ...
Microbes
... 7. Explain the lytic and lysogenic cycles in viruses. What happens in each? Lytic-virus invades cell, makes new viral parts using the host materials, assembly of new virus, release of virus often destroys host cell. Lysogenic- virus invades cell and becomes part of the host DNA. When host cell divid ...
... 7. Explain the lytic and lysogenic cycles in viruses. What happens in each? Lytic-virus invades cell, makes new viral parts using the host materials, assembly of new virus, release of virus often destroys host cell. Lysogenic- virus invades cell and becomes part of the host DNA. When host cell divid ...
1. dia - Figshare
... role in the speciation and evolution of many strains. It also has particular significance for the risk assessment of plants that have been genetically modified for disease resistance by incorporating viral sequences into plant genomes. In the world of RNA viruses the source of recombination during r ...
... role in the speciation and evolution of many strains. It also has particular significance for the risk assessment of plants that have been genetically modified for disease resistance by incorporating viral sequences into plant genomes. In the world of RNA viruses the source of recombination during r ...
Bacteria and Viruses
... – DNA or RNA inside a particle which is able to invade specific types of cells ■ Viruses unlike bacteria do not normally live within us – They must be transmitted directly to infect ■ Transmission can be through – Particles in the air – the almighty sneeze (influenza) ...
... – DNA or RNA inside a particle which is able to invade specific types of cells ■ Viruses unlike bacteria do not normally live within us – They must be transmitted directly to infect ■ Transmission can be through – Particles in the air – the almighty sneeze (influenza) ...
Select Agents and Toxins List
... Asparagine or Histidine; P = Proline; A = Alanine; G = Glycine; X3 = Arginine or Lysine; X4 = Asparagine, Histidine, Lysine, Arginine, Tyrosine, Phenylalanine or Tryptophan; X5 = Tyrosine, Phenylalanine, or Tryptophan; X6 = Serine, Threonine, Glutamate, Aspartate, Glutamine, or Asparagine; X7 = Any ...
... Asparagine or Histidine; P = Proline; A = Alanine; G = Glycine; X3 = Arginine or Lysine; X4 = Asparagine, Histidine, Lysine, Arginine, Tyrosine, Phenylalanine or Tryptophan; X5 = Tyrosine, Phenylalanine, or Tryptophan; X6 = Serine, Threonine, Glutamate, Aspartate, Glutamine, or Asparagine; X7 = Any ...