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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2017.07.017
|2 doi
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|a pubmed24n0914.xml
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|a (DE-627)NLM274307065
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|a (NLM)28756346
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|a (PII)S0981-9428(17)30239-5
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Dias, Maila P
|e verfasserin
|4 aut
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| 245 |
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|a Plant growth and resistance promoted by Streptomyces spp. in tomato
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|c 2017
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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
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 26.12.2017
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|a Date Revised 07.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2017 Elsevier Masson SAS. All rights reserved.
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|a Plant Growth Promoting Rhizobacteria (PGPR) represent an alternative to improve plant growth and yield as well as to act as agents of biocontrol. This study characterized isolates of Streptomyces spp. (Stm) as PGPR, determined the antagonism of these isolates against Pectobacterium carotovorum subsp. brasiliensis (Pcb), evaluated the ability of Stm on promoting growth and modulating the defense-related metabolism of tomato plants, and the potential of Stm isolates on reducing soft rot disease in this species. The VOC profile of Stm was also verified. Promotion of plant growth was assessed indirectly through VOC emission and by direct interaction with Stm isolates in the roots. Evaluation of soft rot disease was performed in vitro on plants treated with Stm and challenged with Pcb. Enzymes related to plant defense were then analyzed in plants treated with three selected isolates of Stm, and PM1 was chosen for further Pcb-challenging experiment. Streptomyces spp. isolates displayed characteristics of PGPR. PM3 was the isolate with efficient antagonism against Pcb by dual-culture. Most of the isolates promoted growth of root and shoot of tomato plants by VOC, and PM5 was the isolate that most promoted growth by direct interaction with Stm. Soft rot disease and mortality of plants were significantly reduced when plants were treated with StmPM1. Modulation of secondary metabolism was observed with Stm treatment, and fast response of polyphenoloxidases was detected in plants pretreated with StmPM1 and challenged with Pcb. Peroxidase was significantly activated three days after infection with Pcb in plants pretreated with StmPM1. Results suggest that Streptomyces sp. PM1 and PM5 have the potential to act as PGPR
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|a Journal Article
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|a Actinomycetes
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| 650 |
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|a Antagonism
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|a PGPR
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|a Phenolic compounds
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| 650 |
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|a Solanum lycopersicum
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| 650 |
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4 |
|a VOC
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| 700 |
1 |
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|a Bastos, Matheus S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xavier, Vanessa B
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cassel, Eduardo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Astarita, Leandro V
|e verfasserin
|4 aut
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| 700 |
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|a Santarém, Eliane R
|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 118(2017) vom: 15. Sept., Seite 479-493
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:118
|g year:2017
|g day:15
|g month:09
|g pages:479-493
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|u http://dx.doi.org/10.1016/j.plaphy.2017.07.017
|3 Volltext
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