Abstract:
Rhizosphere microbes play important roles in phytoremediation of heavy metal polluted soils.They can streng then the growth of plants and promote absorption,transportation and accumulation of heavy metals in the rhizosphere by excreting plant growth hormone,siderophore,1-aminocyclopropane-1-carboxylate(ACC) deaminase,flavonoids compounds,phenolicacidsandotherorganicsubstances.Thesesecretionscouldfurtherproducefunc tionalmicrobialcommunitywhichcanadapttothestressedrhizosphereenvironment.Therolesofrhizospheremicrobesinphytoremediationofheavymetalcontaminatedsoilswasreviewed.Basedonthesystematicalsummaryon thefunctionsofrhizosphericbacteria,fungiandarchaeainphytoremediation,theinfluencesbypollutiontype, ameliorantandrhizosphereplantspeciestorhizospheremicrobialactivitieswerereported.Theperspectivesofthe
futureresearchonrelatedissueswerealsodiscussed.