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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2019.02.018
|2 doi
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|a pubmed24n1224.xml
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|a (DE-627)NLM29455551X
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|a (NLM)30831360
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|a (PII)S0981-9428(19)30067-1
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|e rakwb
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|a eng
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|a Armendariz, Ana L
|e verfasserin
|4 aut
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|a Impact of double inoculation with Bradyrhizobium japonicum E109 and Azospirillum brasilense Az39 on soybean plants grown under arsenic stress
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 04.04.2019
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|a Date Revised 13.12.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2019 Elsevier Masson SAS. All rights reserved.
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|a Inoculation practice with plant growth-promoting bacteria (PGPB) has been proposed as a good biotechnological tool to enhance plant performance and alleviate heavy metal/metalloid stress. Soybean is often cultivated in soil with high arsenic (As) content or irrigated with As-contaminated groundwater, which causes deleterious effects on its growth and yield, even when it was inoculated with rhizobium. Thus, the effect of double inoculation with known PGPB strains, Bradyrhizobium japonicum E109 and Azospirillum brasilense Az39 was evaluated in plants grown in pots under controlled conditions and treated with As. First, the viability of these co-cultivated bacteria was assayed using a flow cytometry analysis using SYTO9 and propidium iodide (PI) dyes. This was performed in vitro to evaluate the bacterial population dynamic under 25 μM AsV and AsIII treatment. A synergistic effect was observed when bacteria were co-cultured, since mortality diminished, compared to each growing alone. Indole acetic acid (IAA) produced by A. brasilense Az39 would be one of the main components involved in B. japonicum E109 mortality reduction, mainly under AsIII treatment. Regarding in vivo assays, under As stress, plant growth improvement, nodule number and N content increase were observed in double inoculated plants. Furthermore, double inoculation strategy reduced As translocation to aerial parts thus improving As phytostabilization potential of soybean plants. These results suggest that double inoculation with B. japonicum E109 and A. brasilense Az39 could be a safe and advantageous practice to improve growth and yield of soybean exposed to As, accompanied by an important metalloid phytostabilization
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|a Journal Article
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|a Arsenic
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|a Glycine max
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|a Inoculation
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|a PGPB
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|a Phytostabilization
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| 650 |
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|a Arsenic
|2 NLM
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| 650 |
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|a N712M78A8G
|2 NLM
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| 700 |
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|a Talano, Melina A
|e verfasserin
|4 aut
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| 700 |
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|a Olmos Nicotra, María Florencia
|e verfasserin
|4 aut
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| 700 |
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|a Escudero, Leticia
|e verfasserin
|4 aut
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| 700 |
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|a Breser, María Laura
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Porporatto, Carina
|e verfasserin
|4 aut
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| 700 |
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|a Agostini, Elizabeth
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 138(2019) vom: 03. Mai, Seite 26-35
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:138
|g year:2019
|g day:03
|g month:05
|g pages:26-35
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|u http://dx.doi.org/10.1016/j.plaphy.2019.02.018
|3 Volltext
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