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Table 1 Phytotoxin sensitivity of wildtype Arabidopsis and a mutant that exhibits reduced sensitivity to sulfamethoxazole (RSS 26–1)

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

RSS 26-1

Sulfamethoxazole

6

10

Wildtype

Salicylic acid

75

150

RSS 26-1

Salicylic acid

75

150

Wildtype

Bialaphos

0.1

0.75

RSS 26-1

Bialaphos

0.1

0.75

Wildtype

Methotrexate

0.03

0.1

RSS 26-1

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.