Biodegradation of oxalic acid: A potential new approach to biological control

Dickman, Martin B.; Chet, I.

doi:10.1016/s0038-0717(98)00018-2

Cited by 21 publications

(9 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…This indicates that oxalic acid indeed contributes to the virulence of B. cinerea (Germeier et al 1994;Prins et al 2000) and is a valid target for disease control via disarmament, as proposed previously for S. sclerotiorum (Dickman and Chet 1998). The bacteria provide only partial protection to B. cinerea and are not able to completely prevent infection, probably because B. cinerea does not rely on oxalic acid as a sole pathogenicity factor (Prins et al 2000).…”

Section: Discussionsupporting

confidence: 52%

See 1 more Smart Citation

Oxalate-Degrading Bacteria Can ProtectArabidopsis thalianaand Crop Plants AgainstBotrytis cinerea

Schoonbeek¹,

Jacquat-Bovet²,

Mascher³

et al. 2007

MPMI

View full text Add to dashboard Cite

Botrytis cinerea and Sclerotinia sclerotiorum secrete oxalic acid as a pathogenicity factor with a broad action. Consequently, it should be possible to interfere with the infection process by degrading oxalic acid during the interaction of these pathogens with their hosts. We have evaluated the potential of oxalate-degrading bacteria to protect plants against pathogenic fungi. Such bacteria were isolated from agricultural soil and selected on agar plates with Ca-oxalate as the sole carbon source. Four strains were retained with a medium-to-strong protective activity on Arabidopsis thaliana leaves against B. cinerea and S. sclerotiorum. They can provide 30 to 70% protection against fungal infection in different pathosystems, including B. cinerea on A. thaliana, cucumber, grapevine, and tomato. The oxalatedegrading bacteria induced only some marker genes for common plant signaling pathways for defenses, but protective effects were slightly reduced in A. thaliana mutants impaired in the ethylene and jasmonic acid signaling pathways. More detailed studies on the protective mechanism were performed in ox-strain B, identified as Cupriavidus campinensis, by analysis of transposon-tagged mutants that have a reduced ability to degrade oxalic acid.

show abstract

Section: Discussionsupporting

confidence: 52%

“…Consequently, it would be interesting to determine the outcome of an infection after interference with oxalic acid levels at the infection site. Biodegradation of oxalic acid previously has been proposed for the control of S. sclerotiorum (Dickman and Chet 1998) and might also work against B. cinerea.…”

mentioning

confidence: 99%

Oxalate-Degrading Bacteria Can ProtectArabidopsis thalianaand Crop Plants AgainstBotrytis cinerea

Schoonbeek¹,

Jacquat-Bovet²,

Mascher³

et al. 2007

MPMI

View full text Add to dashboard Cite

show abstract

“…Previous studies showed that oxalate‐degrading bacteria could effectively suppress infection of plant tissues by S. sclerotiorum (Dickman and Mitra 1992; Dickman and Chet 1998; Wang et al. 2001).…”

Section: Introductionmentioning

confidence: 99%

Characterization of some culture factors affecting oxalate degradation by the mycoparasite Coniothyrium minitans

Ren

2010

Journal of Applied Microbiology

View full text Add to dashboard Cite

Aims: To find possible approaches to utilize the mechanism of oxalate degradation by Coniothyrium minitans (Cm) in controlling the plant pathogen Sclerotinia sclerotiorum (Ss). Methods and Results: Differences in oxalate degradation by different Cm strains and effects of the initial oxalate concentration, ambient pH and nutrient factors on mycelial growth and oxalate degradation by Cm were studied in shaken cultures. Results showed that two wild‐type Cm strains, Chy‐1 and ZS‐1, did not differ in oxalate degradation in modified potato dextrose broth (mPDB) amended with oxalic acid (OA). Cm could grow in mPDB amended with sodium oxalate (SO‐mPDB) at pH 6·5 or with ammonium oxalate (AO‐PDB) at pH 6·2, but oxalate degradation was very low; oxalate degradation was greatly enhanced in SO‐ or AO‐mPDB with pH being lowered to 2·8–2·9. Similarly, oxalate degradation was higher than 90% in OA‐amended mPDB at pH 4·4 but was reduced to be <22% at pH 7·0. Five carbon sources and three nitrogen sources investigated and nutrients from mycelia and sclerotia of Ss were favorable for the growth of Cm and OA degradation by Cm. Conclusions: Cm can degrade oxalate under acidic pH. Exudates from mycelia or sclerotia of Ss may serve as nutrients for Cm mycelial growth and degradation of oxalate secreted by Ss. Significance and Impact of the Study: The finding of oxalate degradation laid a foundation for mining‐related genes in Cm for engineering plant resistance against Ss. Elucidation of the importance of acidic pH and nutrients from Ss in oxalate degradation by Cm will help to understand the interaction between Cm and Ss.

show abstract

“…himatioides (8.53 μg mL -1 ). The effect of different biocontrol agents and organic biocides to reduce the production of oxalic acid has been previously demonstrated by some authors [ 42 , 43 ]. For instance, Paramasivan et al [ 43 ] demonstrated that the application of T .…”

Section: Resultsmentioning

confidence: 99%

Effect of Trichoderma-enriched organic charcoal in the integrated wood protection strategy

et al. 2017

View full text Add to dashboard Cite

The gradual elimination of chromium from wood preservative formulations results in higher Cu leaching and increased susceptibility to wood decay fungi. Finding a sustainable strategy in wood protection has become of great interest among researchers. The objective of these in vitro studies was to demonstrate the effect of T-720-enriched organic charcoal (biochar) against five wood decay basidiomycetes isolated from strongly damaged poles. For this purpose, the antagonistic potential of Trichoderma harzianum (strain T-720) was confirmed among other four Trichoderma spp. against five brown-rot basidiomycetes in dual culture tests. T-720 was genetically transformed and tagged with the green fluorescent protein (GFP) in order to study its antagonistic mechanism against wood decay basidiomycetes. It was also demonstrated that T-720 inhibits the oxalic acid production by basidiomycetes, a well-known mechanism used by brown-rot fungi to detoxify Cu from impregnated wood. Additionally, this study evaluated the effect of biochar, alone or in combination with T-720, on Cu leaching by different preservatives, pH stabilization and prevention of wood decay caused by five basidiomycetes. Addition of biochar resulted in a significant Cu binding released from impregnated wood specimens. T-720-enriched biochar showed a significant reduction of wood decay caused by four basidiomycetes. The addition of T-720-enriched biochar to the soil into which utility poles are placed may improve the efficiency of Cr-free wood preservatives.

show abstract

Biodegradation of oxalic acid: A potential new approach to biological control

Cited by 21 publications

References 11 publications

Oxalate-Degrading Bacteria Can ProtectArabidopsis thalianaand Crop Plants AgainstBotrytis cinerea

Oxalate-Degrading Bacteria Can ProtectArabidopsis thalianaand Crop Plants AgainstBotrytis cinerea

Characterization of some culture factors affecting oxalate degradation by the mycoparasite Coniothyrium minitans

Effect of Trichoderma-enriched organic charcoal in the integrated wood protection strategy

Contact Info

Product

Resources

About