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| Hauptseite > Publikationsdatenbank > An illuminated respiratory activity monitoring system identifies priming-active compounds in plant seedlings-1 > print |
| Hauptseite > Publikationsdatenbank > An illuminated respiratory activity monitoring system identifies priming-active compounds in plant seedlings-1 > print |
| 001 | 896722 | ||
| 005 | 20220103172040.0 | ||
| 024 | 7 | _ | |a 10.1186/s12870-021-03100-8 |2 doi |
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| 100 | 1 | _ | |a Loogen, Judith |0 P:(DE-HGF)0 |b 0 |
| 245 | _ | _ | |a An illuminated respiratory activity monitoring system identifies priming-active compounds in plant seedlings-1 |
| 260 | _ | _ | |a London |c 2021 |b BioMed Central |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a BackgroundGrowing large crop monocultures and heavily using pesticides enhances the evolution of pesticide-insensitive pests and pathogens. To reduce pesticide use in crop cultivation, the application of priming-active compounds (PrimACs) is a welcome alternative. PrimACs strengthen the plant immune system and could thus help to protect plants with lower amounts of pesticides. PrimACs can be identified, for example, by their capacity to enhance the respiratory activity of parsley cells in culture as determined by the oxygen transfer rate (OTR) using the respiration activity monitoring system (RAMOS) or its miniaturized version, µRAMOS. The latter was designed for with suspensions of bacteria and yeast cells in microtiter plates (MTPs). So far, RAMOS or µRAMOS have not been applied to adult plants or seedlings, which would overcome the limitation of (µ)RAMOS to plant suspension cell cultures.ResultsIn this work, we introduce a modified µRAMOS for analysis of plant seedlings. The novel device allows illuminating the seedlings and records the respiratory activity in each well of a 48-well MTP. To validate the suitability of the setup for identifying novel PrimAC in Arabidopsis thaliana, seedlings were grown in MTP for seven days and treated with the known PrimAC salicylic acid (SA; positive control) and the PrimAC candidate methyl 1-(3,4-dihydroxyphenyl)-2-oxocyclopentane-1-carboxylate (Tyr020). Twenty-eight h after treatment, the seedlings were elicited with flg22, a 22-amino acid peptide of bacterial flagellin. Upon elicitation, the respiratory activity was monitored. The evaluation of the OTR course reveals Tyr020 as a likely PrimAC. The priming-inducing activity of Tyr020 was confirmed using molecular biological analyses in A. thaliana seedlings.ConclusionWe disclose the suitability of µRAMOS for identifying PrimACs in plant seedlings. The difference in OTR during a night period between primed and unprimed plants was distinguishable after elicitation with flg22. Thus, it has been shown that the µRAMOS device can be used for a reliable screening for PrimACs in plant seedlings. |
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| 700 | 1 | _ | |a Müller, Andreas |0 P:(DE-Juel1)143907 |b 1 |
| 700 | 1 | _ | |a Balzer, Arne |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Weber, Sophie |0 P:(DE-Juel1)176618 |b 3 |
| 700 | 1 | _ | |a Schmitz, Kathrin |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a Krug, Roxanne |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Schaffrath, Ulrich |0 P:(DE-HGF)0 |b 6 |
| 700 | 1 | _ | |a Pietruszka, Jörg |0 P:(DE-Juel1)128906 |b 7 |
| 700 | 1 | _ | |a Conrath, Uwe |0 P:(DE-HGF)0 |b 8 |
| 700 | 1 | _ | |a Büchs, Jochen |0 P:(DE-HGF)0 |b 9 |e Corresponding author |
| 773 | _ | _ | |a 10.1186/s12870-021-03100-8 |g Vol. 21, no. 1, p. 324 |0 PERI:(DE-600)2059868-3 |n 1 |p 324 |t BMC plant biology |v 21 |y 2021 |x 1471-2229 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/896722/files/s12870-021-03100-8.pdf |y OpenAccess |
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