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Phenotypic characterization of Serratia plymuthica HRO-C48 pME6863 and HRO-C48 AHL-4 compared with the wild-type strain

PhenotypeS. plymuthica WTS. plymuthica HRO-C48 pME6863S. plymuthica HRO-C48 AHL-4
Extracellular N-acylhomoserine lactonesBHL, HHL, OHHLNondetectableResidual levels of AHLs
Plant – bacterium interaction
Biocontrol effect (Verticillium wilt in oilseed rape)+ImpairedImpaired
Rhizosphere colonization oilseed rape+NonaffectedNonaffected
In vitro indole-3-acetic acid production+Increased (+302.9%)Increased (+275.0%)
In vitro biofilm formation+NonaffectedND
In vitro swimming motility+Increased (+29.5%)Increased (+43.3%)
Antagonistic traits (in vitro)
Pyrrolnitrin production+ImpairedImpaired
Chitinase activity+ImpairedImpaired
Protease activity+Reduced (−60.0%)Impaired
Lipase activity+NonaffectedNonaffected
Siderophore exudation+NonaffectedNonaffected
Antifungal effect of volatile organic compounds (R. solani)+Increased (+10.4%)Increased (+8.9%)
PhenotypeS. plymuthica WTS. plymuthica HRO-C48 pME6863S. plymuthica HRO-C48 AHL-4
Extracellular N-acylhomoserine lactonesBHL, HHL, OHHLNondetectableResidual levels of AHLs
Plant – bacterium interaction
Biocontrol effect (Verticillium wilt in oilseed rape)+ImpairedImpaired
Rhizosphere colonization oilseed rape+NonaffectedNonaffected
In vitro indole-3-acetic acid production+Increased (+302.9%)Increased (+275.0%)
In vitro biofilm formation+NonaffectedND
In vitro swimming motility+Increased (+29.5%)Increased (+43.3%)
Antagonistic traits (in vitro)
Pyrrolnitrin production+ImpairedImpaired
Chitinase activity+ImpairedImpaired
Protease activity+Reduced (−60.0%)Impaired
Lipase activity+NonaffectedNonaffected
Siderophore exudation+NonaffectedNonaffected
Antifungal effect of volatile organic compounds (R. solani)+Increased (+10.4%)Increased (+8.9%)
*

Liu (2007b).

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Open in new tab

Phenotypic characterization of Serratia plymuthica HRO-C48 pME6863 and HRO-C48 AHL-4 compared with the wild-type strain

PhenotypeS. plymuthica WTS. plymuthica HRO-C48 pME6863S. plymuthica HRO-C48 AHL-4
Extracellular N-acylhomoserine lactonesBHL, HHL, OHHLNondetectableResidual levels of AHLs
Plant – bacterium interaction
Biocontrol effect (Verticillium wilt in oilseed rape)+ImpairedImpaired
Rhizosphere colonization oilseed rape+NonaffectedNonaffected
In vitro indole-3-acetic acid production+Increased (+302.9%)Increased (+275.0%)
In vitro biofilm formation+NonaffectedND
In vitro swimming motility+Increased (+29.5%)Increased (+43.3%)
Antagonistic traits (in vitro)
Pyrrolnitrin production+ImpairedImpaired
Chitinase activity+ImpairedImpaired
Protease activity+Reduced (−60.0%)Impaired
Lipase activity+NonaffectedNonaffected
Siderophore exudation+NonaffectedNonaffected
Antifungal effect of volatile organic compounds (R. solani)+Increased (+10.4%)Increased (+8.9%)
PhenotypeS. plymuthica WTS. plymuthica HRO-C48 pME6863S. plymuthica HRO-C48 AHL-4
Extracellular N-acylhomoserine lactonesBHL, HHL, OHHLNondetectableResidual levels of AHLs
Plant – bacterium interaction
Biocontrol effect (Verticillium wilt in oilseed rape)+ImpairedImpaired
Rhizosphere colonization oilseed rape+NonaffectedNonaffected
In vitro indole-3-acetic acid production+Increased (+302.9%)Increased (+275.0%)
In vitro biofilm formation+NonaffectedND
In vitro swimming motility+Increased (+29.5%)Increased (+43.3%)
Antagonistic traits (in vitro)
Pyrrolnitrin production+ImpairedImpaired
Chitinase activity+ImpairedImpaired
Protease activity+Reduced (−60.0%)Impaired
Lipase activity+NonaffectedNonaffected
Siderophore exudation+NonaffectedNonaffected
Antifungal effect of volatile organic compounds (R. solani)+Increased (+10.4%)Increased (+8.9%)
*

Liu (2007b).

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