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Mechanizmy odporności roślin na patogeny
Typy reakcji obronnych ,[object Object],[object Object],[object Object],[object Object]
Odporność gen-na-gen ,[object Object],[object Object],[object Object]
 
Przykłady genów  Avr  i  R ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Co kodują geny R? ,[object Object],[object Object],[object Object],[object Object]
Na czym polega aktywacja białka?
 
 
Aktywacja receptora kinaz
 
Domeny
 
 
 
HR - zaprogramowana śmierć komórki (nadwrażliwość komórek) Oksydaza NADPH O 2 O 2 • — SOD H 2 O 2 OH 2 • OH • Peroksydacja lipidów błonowych Lipoksygenaza Lignifikacja J Ucieczka jonów
Reakcja nadwrażliwości
Apoptoza
Objawy nekrozy na liściach jęczmienia porażonego przez grzyba  Bipolaris sorokiniana  (apoptoza komórek)
Lignifikacja ścian komórkowych
SAR ,[object Object],SA   PRP RFT fitoaleksyny  lignina  SA  PRP fenole
Rola SA w SAR Malamy  et al.,  (1990)    Metraux  et  al.,  (1990).
ISR SAR
Inicjacja sygnałów PIP 2  - fosfatydyloinozytolo(4,5)bisfosforan, DAG - diacyloglicerol, IP 3  - trifosfoinozytol R Oksydaza NADPH Ca 2+ Kinaza białkowa kalmodulinozależna Kinaza białkowa C   Białko G Flipaza C E PIP 2 DAG IP 3 Błona komórkowa O 2 O 2 • —
Transdukcja sygnałów w komórce
Pythium  na jęczmieniu
Infekcja wywołana przez kompleks  Pythium spp .  Typhula incarnata  na rajgrasie włoskim
Pleśń śniegowa wywołana przez  Typhula ishikariensis  na pszenicy ozimej
Microdochium nivale
 
 
 
 
 

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Mechanizmy OdpornośCi RośLin Na Patogeny