effector essay

Question 1

bacterial effector? (pseudomonas syringae)

what does it do? (broadly)

Answer 1

avrpto

inhibits receptor kinases

Question 2

in arabidopsis what receptor does the bacterial effector bind to?

Answer 2

FLS2 kinase receptor

Question 3

fungi effectors?

what do they do?

Answer 3

avr2 and avr4

• inhibits cysteine proteases.
• blocks chitinases

Question 4

which proteases does fungi effector inhibit? in which plant?

Answer 4

pip1 and rcr3

tomato

Question 5

Oomycete extracell effector? what motif?

what does it do? what does it bind to?

Answer 5

ipi-o with RGD motif
motif disrupts cell wall and plasma membrane adhesion
binds to legume like lectin kinase receptor

Question 6

Oomycete intra effector?
and what subtype?
what does it do?

Answer 6

RXLR with nuclear loc signal
AVR3a
prevents cell death

Question 7

pseudomonas syringae characteristics?

Answer 7

rod shaped. gram negative.
diseases on woody plants.
causes blights cankers and diebacks

Question 8

where do extracellular effectors of fungi accumulate?

Answer 8

they accumulate in the extra invasive hyphal membrane encapsulating the hyphae

Question 9

what is fungal effector secretion induced by?

Answer 9

low nitrogen in the apoplast