Table 1 Symbiotic phenotypes of V. radiata cv. KPS1 inoculated with wild-type B. diazoefficiens strains and their nopP mutants

From: Variation in bradyrhizobial NopP effector determines symbiotic incompatibility with Rj2-soybeans via effector-triggered immunity

Inoculant

NopP sequence type

Nodule number a

Nodule dry mass (mg) a

Plant dry mass (mg) a

USDA 110T

110

79.7 ± 4.3

63.6 ± 3.5

600 ± 26

110nopP122

122

13.8 ± 2.4**

35.9 ± 3.4**

367 ± 18*

110ΔnopP

Deleted

61.3 ± 4.5**

49.6 ± 5.5

481 ± 36

USDA 122

122

2.4 ± 0.6

8.5 ± 2.4

292 ± 9

122nopP110

110

27.0 ± 2.6**

34.0 ± 3.4**

359 ± 25**

122ΔnopP

Deleted

21.7 ± 1.5**

32.9 ± 3.6**

348 ± 26*

Uninoculated

–

0

0

282 ± 9

  1. aCombined data from two independent experiments are shown. Values are mean ± SE (n = 11 for USDA 110T, n = 18 for USDA 122, and n = 12 for the others). Asterisks (*) indicate significant differences from the wild-type strain (USDA 110T or USDA 122) by Dunnett’s multiple comparison test (*P < 0.05, **P < 0.01)
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