Virus-Host Interactions

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Morphological Symptoms• Symptoms range from symptomlessconditions to severe disease and plantdeath– Chlorosis and necrosis- direct damage due tovirus replication– Hypoplasia- localized retarded growth-leadsto mosaicism– Hyperplasia- excessive cell division- distortedareas
Chlorosis• Symptoms associated with disruption ofchloroplast structure, function, and/ordevelopment• Yellowed areas in expanded leaves thatdeveloped before infection• Mosaic pattern in leaves that developedafter infection
Page 1 and 2: Virus-Host InteractionsM. Elena Gar
Page 3 and 4: History• 1882- Adolf Mayer:Transm
Page 5 and 6: Plant viruses• Two protein shell
Page 7 and 8: Virus Types• Helical- the NA is h
Page 9 and 10: Genome Types• dsDNA- Pararetrovir
Page 11 and 12: Plant Viruses- General• Approxima
Page 14 and 15: Transmission of Plant Viruses• Se
Page 16 and 17: • Viron enters cytoplasm passivel
Page 18: The replication cycle of Tobacco mo
Page 24: ChlorosisPeanut mottle virus in bea
Page 27 and 28: Necrosis• Hypersensitive response
Page 29 and 30: Plant ResistanceResistance differen
Page 31 and 32: Plant-Virus InteractionsPlants poss
Page 33 and 34: Chlorosis• Symptoms associated wi
Page 35 and 36: Hypersensitive Response• Synthesi
Page 37 and 38: Systemic AcquiredResistance (SAR)
Page 39 and 40: • Plant Immune Responses Against

Virus-Host Interactions

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