The effect of plant growth-promoting rhizobacteria on the growth, physiology, and Cd uptake of Arundo donax L.
Identifieur interne : 000F44 ( Main/Corpus ); précédent : 000F43; suivant : 000F45The effect of plant growth-promoting rhizobacteria on the growth, physiology, and Cd uptake of Arundo donax L.
Auteurs : Chinnathambi Sarathambal ; Premraj Jagoji Khankhane ; Yogita Gharde ; Bhumesh Kumar ; Mayank Varun ; Sellappan ArunSource :
- International journal of phytoremediation [ 1549-7879 ] ; 2017.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Cadmium, Soil Pollutants.
- growth & development : Poaceae.
- metabolism : Bacteria.
- microbiology : Plant Roots, Poaceae.
- physiology : Plant Roots, Poaceae.
- Biodegradation, Environmental, Soil Microbiology.
Abstract
In this study, plant growth-promoting potential isolates from rhizosphere of 10 weed species grown in heavy metal-contaminated areas were identified and their effect on growth, antioxidant enzymes, and cadmium (Cd) uptake in Arundo donax L. was explored. Plant growth-promoting traits of isolates were also analyzed. These isolates were found to produce siderophores and enzymes such as 1-aminocyclopropane-1-carboxylate (ACC) deaminase, and aid in solubilization of mineral nutrients and modulate plant growth and development. Based on the presence of multiple plant growth-promoting traits, isolates were selected for molecular characterization and inoculation studies. Altogether, 58 isolates were obtained and 20% of them were able to tolerate Cd up to 400 ppm. The sequence analysis of the 16S rRNA genes indicates that the isolates belong to the phylum Firmicutes. Bacillus sp. along with mycorrhizae inoculation significantly improves the growth, the activity of antioxidants enzymes, and the Cd uptake in A. donax than Bacillus alone. Highly significant correlations were observed between Cd uptake, enzymatic activities, and plant growth characteristics at 1% level of significance. The synergistic interaction effect between these organisms helps to alleviate Cd effects on soil. Heavy metal-tolerant isolate along with arbuscular mycorrhizae (AM) could be used to improve the phytoremedial potential of plants.
DOI: 10.1080/15226514.2016.1225289
PubMed: 27592507
Links to Exploration step
pubmed:27592507Le document en format XML
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<author><name sortKey="Khankhane, Premraj Jagoji" sort="Khankhane, Premraj Jagoji" uniqKey="Khankhane P" first="Premraj Jagoji" last="Khankhane">Premraj Jagoji Khankhane</name>
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<author><name sortKey="Gharde, Yogita" sort="Gharde, Yogita" uniqKey="Gharde Y" first="Yogita" last="Gharde">Yogita Gharde</name>
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<author><name sortKey="Varun, Mayank" sort="Varun, Mayank" uniqKey="Varun M" first="Mayank" last="Varun">Mayank Varun</name>
<affiliation><nlm:affiliation>b Department of Botany , St. John's College , Agra , Uttar Pradesh , India.</nlm:affiliation>
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<author><name sortKey="Arun, Sellappan" sort="Arun, Sellappan" uniqKey="Arun S" first="Sellappan" last="Arun">Sellappan Arun</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">The effect of plant growth-promoting rhizobacteria on the growth, physiology, and Cd uptake of Arundo donax L.</title>
<author><name sortKey="Sarathambal, Chinnathambi" sort="Sarathambal, Chinnathambi" uniqKey="Sarathambal C" first="Chinnathambi" last="Sarathambal">Chinnathambi Sarathambal</name>
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<author><name sortKey="Khankhane, Premraj Jagoji" sort="Khankhane, Premraj Jagoji" uniqKey="Khankhane P" first="Premraj Jagoji" last="Khankhane">Premraj Jagoji Khankhane</name>
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<author><name sortKey="Kumar, Bhumesh" sort="Kumar, Bhumesh" uniqKey="Kumar B" first="Bhumesh" last="Kumar">Bhumesh Kumar</name>
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<author><name sortKey="Varun, Mayank" sort="Varun, Mayank" uniqKey="Varun M" first="Mayank" last="Varun">Mayank Varun</name>
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<author><name sortKey="Arun, Sellappan" sort="Arun, Sellappan" uniqKey="Arun S" first="Sellappan" last="Arun">Sellappan Arun</name>
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<series><title level="j">International journal of phytoremediation</title>
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<term>Biodegradation, Environmental (MeSH)</term>
<term>Cadmium (metabolism)</term>
<term>Plant Roots (microbiology)</term>
<term>Plant Roots (physiology)</term>
<term>Poaceae (growth & development)</term>
<term>Poaceae (microbiology)</term>
<term>Poaceae (physiology)</term>
<term>Soil Microbiology (MeSH)</term>
<term>Soil Pollutants (metabolism)</term>
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<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Cadmium</term>
<term>Soil Pollutants</term>
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<keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term>
<term>Poaceae</term>
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<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Plant Roots</term>
<term>Poaceae</term>
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<term>Soil Microbiology</term>
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<front><div type="abstract" xml:lang="en">In this study, plant growth-promoting potential isolates from rhizosphere of 10 weed species grown in heavy metal-contaminated areas were identified and their effect on growth, antioxidant enzymes, and cadmium (Cd) uptake in Arundo donax L. was explored. Plant growth-promoting traits of isolates were also analyzed. These isolates were found to produce siderophores and enzymes such as 1-aminocyclopropane-1-carboxylate (ACC) deaminase, and aid in solubilization of mineral nutrients and modulate plant growth and development. Based on the presence of multiple plant growth-promoting traits, isolates were selected for molecular characterization and inoculation studies. Altogether, 58 isolates were obtained and 20% of them were able to tolerate Cd up to 400 ppm. The sequence analysis of the 16S rRNA genes indicates that the isolates belong to the phylum Firmicutes. Bacillus sp. along with mycorrhizae inoculation significantly improves the growth, the activity of antioxidants enzymes, and the Cd uptake in A. donax than Bacillus alone. Highly significant correlations were observed between Cd uptake, enzymatic activities, and plant growth characteristics at 1% level of significance. The synergistic interaction effect between these organisms helps to alleviate Cd effects on soil. Heavy metal-tolerant isolate along with arbuscular mycorrhizae (AM) could be used to improve the phytoremedial potential of plants.</div>
</front>
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<Title>International journal of phytoremediation</Title>
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<ArticleTitle>The effect of plant growth-promoting rhizobacteria on the growth, physiology, and Cd uptake of Arundo donax L.</ArticleTitle>
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<Abstract><AbstractText>In this study, plant growth-promoting potential isolates from rhizosphere of 10 weed species grown in heavy metal-contaminated areas were identified and their effect on growth, antioxidant enzymes, and cadmium (Cd) uptake in Arundo donax L. was explored. Plant growth-promoting traits of isolates were also analyzed. These isolates were found to produce siderophores and enzymes such as 1-aminocyclopropane-1-carboxylate (ACC) deaminase, and aid in solubilization of mineral nutrients and modulate plant growth and development. Based on the presence of multiple plant growth-promoting traits, isolates were selected for molecular characterization and inoculation studies. Altogether, 58 isolates were obtained and 20% of them were able to tolerate Cd up to 400 ppm. The sequence analysis of the 16S rRNA genes indicates that the isolates belong to the phylum Firmicutes. Bacillus sp. along with mycorrhizae inoculation significantly improves the growth, the activity of antioxidants enzymes, and the Cd uptake in A. donax than Bacillus alone. Highly significant correlations were observed between Cd uptake, enzymatic activities, and plant growth characteristics at 1% level of significance. The synergistic interaction effect between these organisms helps to alleviate Cd effects on soil. Heavy metal-tolerant isolate along with arbuscular mycorrhizae (AM) could be used to improve the phytoremedial potential of plants.</AbstractText>
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<ForeName>Chinnathambi</ForeName>
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<KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">16S rRNA sequencing</Keyword>
<Keyword MajorTopicYN="Y">Arundo donax, cadmium</Keyword>
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<Keyword MajorTopicYN="Y">plant growth-promoting rhizobacteria (PGPR)</Keyword>
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