Mesorhizobium
huakuii
subsp.
rengei
B3
Astragalus sinicus
(Chinese Milk
Vetch)
NM
N
2
(MIC- ND)
Cd
A. sinicus
Hydroponic
experiment
• Nodule formation noticed
• Synergetic relationship enhanced
to accumulate
Cd
2+
in nodules
1.5-fold
Sriprang
et al.
(2003)
Proteus mirabilis
T2Cr
Composite surface
soil collected
Luria–Bertani
(LB) media
IAA, phosphate,
ACCD,
siderophore
(MIC-ppm)
Cr-90
Zea mays
(Maize)
Pot experiment under
room
conditions
• Enhanced plant
height, fresh
weight, leaf area
greater than control
• Chlorophyll
content improved
by both strains
compared to control
• Isolates with
salicylic acid
application
increased Cr tolerance by reducing metal uptake
from root to shoot
• Oxidative stress
decreased by both
strains with SA
Islam
et al.
(2016)
P. mirabilis
CrP450
Cr-110
a
NM
Not mentioned
b
Urease
Urease activity, IAA
Indole-3-acetic acid, Siderophore
Siderophore production, Phosphate
Phosphate solubilisation, Potassium
Potassium solubilisation, ACCD
1-aminocyclopropane-1-carboxylic acid deaminase activity, N
2 Nitrogen
fixation, HCN
Hydrocyanic acid production, Ammonia
Ammonia production, ND
Not
determined
c
MIC
Minimum inhibitory concentration, MBC
Minimum bactericidal concentration, MTC
Maximum/maximal tolerance/tolerable concentration
22 Beneficial Role of Plant Growth-Promoting Rhizobacteria in Bioremediation of. . .
467