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CSIR NET Life Sciences

System physiology Plants

The table below lists genes (Column X) and their encoded proteins (Column Y) that play an important role in plant response to biotic stress. Colu

Question

The table below lists genes (Column X) and their encoded proteins (Column Y) that play an important role in plant response to biotic stress.

Column X

Column Y

A. SID1

i. Isochorismate synthase

B. SID2

ii. Cytochrome P450 monooxygenase

C. PAD3

iii. ABC transporter

D. PEN3

iv. MATE transporter

Which one of the following options represents the correct match between Column X and Column Y?

A-ii, B-i, C-iv, D-iii

A-iii, B-iv, C-ii, D-i

A-iv, B-i, C-ii, D-iii

A-iv, B-ii, C-iii, D-i

Solution

Correct option is C

Correct Answer : C

•A. SID1 → iv. MATE transporter: SID1 is involved in salicylic acid defense pathways and functions as a MATE
transporter.
•B. SID2 → i. Isochorismate synthase: SID2 encodes Isochorismate synthase, a key enzyme for synthesizing
salicylic acid.
•C. PAD3 → ii. Cytochrome P450 monooxygenase: PAD3 encodes a cytochrome P450 enzyme crucial for
producing the defense compound camalexin.
•D. PEN3 → iii. ABC transporter: PEN3 is an ABC transporter involved in secreting defense chemicals to resist
pathogen penetration