• Increase photosynthetic pigments, mineral
nutrients in both
plants
• Cd accumulation increased in
L. multiflorum
root, decreased in
G. max
Serratia
sp. MSMC541
Lupinus luteus
(Yellow Lupin)
YEM Agar 25
μg/
mL congo red
ND
(MTC- mM)
As-13.3
Cu-2.3
Pb-9.0
Zn-30
Cd-2.2
L. luteus
Pot
experiment
• Increased shoot
biomass
• Plant tolerance
to metals
• Repressed metal
translocation to
shoot
• Plant biomass
improved
Aafi et al.
(2012)
Agrobacterium
radiobacter
D14
Pt. vittata
L. (Chinese brake)
Chemically defined
medium with
800 (μmol/L) As
(III)
IAA,
siderophore
(MIC-mmol/
L)
As(III)-14
As(V)-150
Populus
deltoides
(Poplar)
Greenhouse
pot
experiment
• As uptake and
translocation
improved
• Root-shoot
growth enhanced
• Plant dry weight
increased
• Chlorophyll,
soluble protein
content increased
• Superoxide
dismutase, catalase activity
enhanced,
malondialdehyde
activity reduced
Wang
et al.
(2011)
(continued)
22 Beneficial Role of Plant Growth-Promoting Rhizobacteria in Bioremediation of. . .
463