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Table 3 Plant growth promoting characteristics of endophytic bacterial isolates from P. vittata. L.

From: Genetic diversity and characterization of arsenic-resistant endophytic bacteria isolated from Pteris vittata, an arsenic hyperaccumulator

Isolate (closest relative sequence) % identity ARDRA type IAA (μg ml−1)a Siderophoreb
L9 (Agrobacterium tumefaciens) 99 I 46.6 ± 4.36
L17 (Agrobacterium tumefaciens) 99 I 95.0 ± 4.88
L25 (Agrobacterium tumefaciens) 99 I 42.5 ± 9.42 +
L31 (Agrobacterium tumefaciens) 99 I 92.3 ± 8.66 +
W21 (Agrobacterium tumefaciens) 99 I 32.8 ± 2.58 +
X13 (Agrobacterium rhizogenes) 99 II ++
C6 (Agrobacterium rhizogenes) 99 II 81.2 ± 4.77 ++
Y2 (Agrobacterium rhizogenes) 99 II 41.4 ± 3.33
K4 (Agrobacterium sp.) 99 III 44.4 ± 6.52 +++
K16 (Agrobacterium sp.) 99 III 44.2 ± 5.51 +
X3 (Agrobacterium sp.) 99 III 44.5 ± 7.88 +
L24 (Agrobacterium sp.) 99 III 46.0 ± 2.22
W24 (Agrobacterium sp.) 99 III
L19 (Agrobacterium sp.) 99 III 47.6 ± 5.54 +
L4 (Rhizobium sp.) 99 IV 34.8 ± 3.11 +
L5 (Rhizobium sp.) 99 IV 60.9 ± 9.66 +++
L8 (Rhizobium sp.) 99 IV 103.9 ± 11.2 ++++
W1 (Stenotrophomonas rhizophila) 99 V 47.8 ± 4.75 ++
W22 (Stenotrophomonas sp.) 99 VI 20.4 ± 3.36
L20 (Pseudomonas sp.) 100 VII 34.4 ± 2.28
X8 (Pseudomonas sp.) 100 VII 120.3 ± 9.61 +
L6 (Pseudomonas oryzihabitans) 99 VIII 45.9 ± 3.25 +
L1 (Pseudomonas oryzihabitans) 99 VIII 32.4 ± 4.44 ++
W28 (Pseudomonas putida) 99 IX 38.0 ± 4.25 ++
L3 (Pseudomonas putida) 99 IX 55.1 ± 4.01 ++
C1 (Rhodococcus sp.) 99 X 29.5 ± 3.15 ++
C3 (Rhodococcus sp.) 99 X 65.6 ± 5.55
L11 (Rhodococcus equi) 99 XI 98.8 ± 8.16 +++
K17 (Bacillus indicus) 99 XII +
W12 (Bacillus cereus) 99 XIII 49.2 ± 2.17 +
X2 (Bacillus muralis) 99 XIV 22.9 ± 5.43
K5 (Bacillus subtilis) 99 XV 31.7 ± 4.22 ++++
W9 (Bacillus megaterium) 99 XV 34.6 ± 1.78 ++
W23 (Bacillus megaterium) 99 XV +
X10 (Bacillus megaterium) 99 XV 99.6 ± 12.7 +++
K2 (Bacillus sp.) 99 XVI 53.1 ± 4.33 ++
K3 (Bacillus sp.) 99 XVI 43.6 ± 3.16
K12 (Bacillus sp.) 100 XVI
K6 (Bacillus sp.) 100 XVI 81.4 ± 2.44 ++
W8 (Bacillus sp.) 99 XVI 56.0 ± 2.08 +++
W10 (Bacillus sp.) 99 XVI 54.6 ± 7.03 +++
W11 (Bacillus sp.) 99 XVI
X4 (Bacillus sp.) 99 XVI 39.0 ± 4.21 ++++
X11 (Bacillus sp.) 99 XVI 17.7 ± 3.22
K9 (Bacillus sp.) 99 XVI 14.9 ± 0.31 ++
W3 (Bacillus sp.) 99 XVI 15.2 ± 0.90 +
  1. aIAA production: - = not detectable; b Siderophore production: +, little; ++, low; +++, moderate; ++++, high