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Table 3 Phytotoxin sensitivity of wildtype Arabidopsis and a mutant that exhibits enhanced sensitivity to sulfamethoxazole (ESS 3–10)

From: Forward chemical genetic screens in Arabidopsis identify genes that influence sensitivity to the phytotoxic compound sulfamethoxazole

Genotype

Compound

EC50(μM)a

LD50(μM)b

Wildtype

Sulfamethoxazole

3

5

ESS 3-10

Sulfamethoxazole

0.003

0.03

Wildtype

Sulfanilamide

150

>250

ESS 3-10

Sulfanilamide

5

30

Wildtype

Salicylic acid

75

150

ESS 3-10

Salicylic acid

75

150

Wildtype

Bialaphos

0.1

0.75

ESS 3-10

Bialaphos

0.1

0.75

Wildtype

Methotrexate

0.03

0.1

ESS 3-10

Methotrexate

0.03

0.1

  1. aEC50 indicates the concentration at which 50% of seedlings are bleached.
  2. bLD50 indicates the concentration that is lethal to 50% of seedlings.
  3. Data represent observations from at least three independent experiments.