Rhizoremediation of Cadmium Soil Using a Cadmium-Resistant Plant Growth-Promoting Rhizopseudomonad
Tóm tắt
Three pseudomonad strains (MKRh1, MKRh3, and MKRh4) isolated from rhizospheres showed a high growth potential in the presence of cadmium, with a minimal inhibitory concentration of 7 mM for cadmium chloride (CdCl2). Among them, isolate MKRh3 was specifically chosen as the most favorable cadmium-resistant plant growth-promoting rhizobacterium based on its higher 1-aminocyclopropane carboxylic acid deaminase activity, siderophore production, phosphate solubilization, and auxin synthesis and the in vivo growth increment of black gram plants. 16S ribosomal RNA gene sequencing identified MKRh3 as Pseudomonas aeruginosa. The effect of cadmium on black gram plants was studied in soil amended with a gradient of CdCl2 concentration and the toxicity was evident from stunted growth, poor rooting, and cadmium accumulation. Application of isolate MKRh3 by seed coating overcomes the cadmium toxicity; plants showed lessened cadmium accumulation, extensive rooting, and enhanced plant growth. Further research and development of this promising innate strategy for scale-up to higher-efficiency and large-scale application will be a potent tool to prevent accumulation of cadmium in plants, thereby ensuring food security for humans.
Tài liệu tham khảo
citation_journal_title=Appl Environ Microbiol; citation_title=Detoxification of mercury, cadmium and lead in Klebsiella aerogenes NCTC418 growing in continuous culture; citation_author=H Aiking, H Goves, JV Riet; citation_volume=50; citation_publication_date=1985; citation_pages=1262-1267; citation_id=CR1
citation_journal_title=Appl Environ Microbiol; citation_title=A plant growth promoting rhizobacterium that decreases nickel toxicity in seedlings; citation_author=GI Burd, DG Dixon, BR Glick; citation_volume=64; citation_publication_date=1998; citation_pages=3663-3668; citation_id=CR2
citation_journal_title=Can J Microbiol; citation_title=Plant growth promoting bacteria that decreases heavy metal toxicity in plants; citation_author=GI Burd, DG Dixon, BR Glick; citation_volume=46; citation_publication_date=2000; citation_pages=237-245; citation_doi=10.1139/cjm-46-3-237; citation_id=CR3
citation_journal_title=Nucleic Acids Res; citation_title=A simple and rapid method for the preparation of gram-negative bacterial genomic DNA; citation_author=W Chen, T Kuo; citation_volume=21; citation_publication_date=1993; citation_pages=9; citation_id=CR4
citation_journal_title=Plant Physiol; citation_title=Phytochelatins and their role in heavy metal detoxification; citation_author=SC Cobellet; citation_volume=123; citation_publication_date=2000; citation_pages=825-832; citation_doi=10.1104/pp.123.3.825; citation_id=CR5
citation_journal_title=Plant Physiol; citation_title=Promises and prospects of phytoremediation; citation_author=SD Cunningham, DW Ow; citation_volume=110; citation_publication_date=1996; citation_pages=715-719; citation_id=CR6
citation_journal_title=Ecol Appl; citation_title=Pyoverdine production by Pseudomonas aeruginosa exposed to metals or an oxidative stress agent; citation_author=KT Dao, HE Hamer, CL Clark, GL Harshman; citation_volume=9; citation_issue=2; citation_publication_date=1999; citation_pages=441-448; citation_doi=10.1890/1051-0761(1999)009[0441:PPBPAE]2.0.CO;2; citation_id=CR7
citation_title=Ethylene and seed germination; citation_inbook_title=The plant hormone ethylene; citation_publication_date=1991; citation_pages=133-157; citation_id=CR8; citation_author=Y Esashi; citation_publisher=CRC Press
citation_journal_title=Plant Physiol; citation_title=Ethylene biosynthesis and cadmium toxicity in leaf tissue of beans Phaseolus vulgaris L; citation_author=J Fuhrer; citation_volume=70; citation_publication_date=1982; citation_pages=162-167; citation_doi=10.1104/pp.70.1.162; citation_id=CR9
citation_journal_title=Microbiol Ecol; citation_title=Microorganisms and heavy metal toxicity; citation_author=GM Gadd, AJ Griffiths; citation_volume=4; citation_publication_date=1978; citation_pages=303-317; citation_doi=10.1007/BF02013274; citation_id=CR10
citation_journal_title=Appl Environ Microbiol; citation_title=A critical examination of the specificity of the salkowski reagents for indolic compounds produced by phytopathogenic bacteria; citation_author=E Glickman, Y Dessaux; citation_volume=61; citation_publication_date=1995; citation_pages=793-796; citation_id=CR11
citation_journal_title=Gene; citation_title=Identification of a gene cluster, czr, involved in cadmium and zinc resistance in Pseudomonas aeruginosa
; citation_author=ME Hassan, TD Lelie, D Springael, U Romling, N Ahmed, M Mergeay; citation_volume=238; citation_publication_date=1999; citation_pages=417-425; citation_doi=10.1016/S0378-1119(99)00349-2; citation_id=CR12
citation_journal_title=Agr Biol Chem; citation_title=Metabolism of 1-aminocylcopropane carboxylic acid; citation_author=M Honma, T Shimomura; citation_volume=42; citation_publication_date=1978; citation_pages=1825-1831; citation_id=CR13
citation_journal_title=Soil Biol Biochem; citation_title=Effect of vesicular-arbuscular mycorrhyzae fungi on heavy metal uptake by soybeans; citation_author=A Heggo, JS Angle, RI Chaney; citation_volume=22; citation_publication_date=1990; citation_pages=865-869; citation_doi=10.1016/0038-0717(90)90169-Z; citation_id=CR14
citation_journal_title=Rev Environ Contamin Toxicol; citation_title=Environmental contamination in Europe; citation_author=A Jensen, F Bro-Rasmussen; citation_volume=125; citation_publication_date=1992; citation_pages=101-181; citation_id=CR15
citation_journal_title=Mol Plant-Microbe Interact; citation_title=Rhizoremediation: a beneficial plant-microbe interaction; citation_author=I Kuiper, EL Lagendijk, GV Bloemberg, BJJ Lugtenberg; citation_volume=17; citation_publication_date=2004; citation_pages=6-15; citation_doi=10.1094/MPMI.2004.17.1.6; citation_id=CR16
citation_journal_title=Appl Environ Microbiol; citation_title=Chromosomal locus for cadmium resistance in Pseudomonas putida consisting of cadmium transporting ATPases and a MerR family response regulator; citation_author=S Lee, E Glickmann, DA Cooksey; citation_volume=67; citation_publication_date=2001; citation_pages=1437-1444; citation_doi=10.1128/AEM.67.4.1437-1444.2001; citation_id=CR17
citation_journal_title=Envrion Microbiol; citation_title=What makes Pseudomonas bacteria rhizosphere competent?; citation_author=BJJ Lugtenberg, LC Deckers; citation_volume=1; citation_publication_date=1999; citation_pages=9-13; citation_doi=10.1046/j.1462-2920.1999.00005.x; citation_id=CR18
citation_journal_title=Curr Microbiol; citation_title=An efficient method for qualitative screening of phosphate solubilizing bacteria; citation_author=S Mehta, CS Nautiyal; citation_volume=43; citation_publication_date=2001; citation_pages=51-56; citation_doi=10.1007/s002840010259; citation_id=CR19
citation_journal_title=Curr Sci; citation_title=Release of phosphate from tricalcium phosphate by organic acids; citation_author=RP Pareek, AC Gaur; citation_volume=42; citation_publication_date=1973; citation_pages=278-279; citation_id=CR20
citation_journal_title=CR Acad Sci Ser D; citation_title=Sur le dosage colorime´trique de l’acideindolylace´tique; citation_author=PE Pilet, R Chollet; citation_volume=271; citation_publication_date=1970; citation_pages=1675-1678; citation_id=CR21
citation_journal_title=Environ Microbiol; citation_title=Adaptation of Pseudomonas fluorescens to the plant rhizosphere; citation_author=PB Rainey; citation_volume=13; citation_publication_date=1999; citation_pages=243-257; citation_doi=10.1046/j.1462-2920.1999.00040.x; citation_id=CR22
citation_journal_title=Curr Microbiol; citation_title=Characterization of a novel Cr6+ reducing Pseudomonas sp. with plant growth promoting potential; citation_author=M Rajkumar, R Nagendran, KJ Lee, WH Lee; citation_volume=50; citation_publication_date=2005; citation_pages=226-271; citation_doi=10.1007/s00284-005-4470-4; citation_id=CR23
citation_journal_title=Environ Exp Bot; citation_title=Response to cadmium in higher plants; citation_author=L Sanita di Toppi, R Gabbrielli; citation_volume=40; citation_publication_date=1999; citation_pages=105-130; citation_doi=10.1016/S0098-8472(98)00058-6; citation_id=CR24
citation_journal_title=Anal Biochem; citation_title=Universal chemical assay for detection and determination of siderophores; citation_author=B Schwyn, JB Neilands; citation_volume=160; citation_publication_date=1987; citation_pages=47-56; citation_doi=10.1016/0003-2697(87)90612-9; citation_id=CR25
citation_journal_title=J Microbiol Methods; citation_title=CAS agar diffusion assay for the measurement of siderophores in biological fluids; citation_author=SH Shin, Y Lim, SE Lee, NW Yang, JH Rhee; citation_volume=44; citation_publication_date=2001; citation_pages=89-95; citation_doi=10.1016/S0167-7012(00)00229-3; citation_id=CR26
citation_journal_title=J Bacteriol; citation_title=Use of in vivo expression technology to identify genes important in growth and survival of Pseudomonas fluorescens Pf0-1 in soil: discovery of expressed sequences with novel genetic organization; citation_author=MW Silby, SB Levy; citation_volume=186; citation_publication_date=2004; citation_pages=7411-7419; citation_doi=10.1128/JB.186.21.7411-7419.2004; citation_id=CR27
citation_journal_title=Curr Microbiol; citation_title=Isolation and functional characterization of Siderophore producing lead- and cadmium-resistant Pseudomonas putida KNP9; citation_author=M Tripathi, HP Munot, Y Shouche, JM Meyer, R Goel; citation_volume=50; citation_publication_date=2005; citation_pages=233-237; citation_doi=10.1007/s00284-004-4459-4; citation_id=CR28
citation_journal_title=J Inorg Chem; citation_title=Cadmium carcinogenesis in review; citation_author=MP Waalkes; citation_volume=79; citation_publication_date=2000; citation_pages=241-244; citation_id=CR29
citation_journal_title=Appl Environ Microbiol; citation_title=Engineering plant-microbe symbiosis for rhizoremediation of heavy metals; citation_author=CH Wu, TK Wood, A Mulchandani, W Chen; citation_volume=72; citation_publication_date=2006; citation_pages=1129-1134; citation_doi=10.1128/AEM.72.2.1129-1134.2006; citation_id=CR30