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- Title
Induction of oxalate decarboxylase by oxalate in a newly isolated Pandoraea sp. OXJ-11 and its ability to protect against Sclerotinia sclerotiorum infection.
- Authors
Xiaoyi Chen; Xianzhen Li; Zhao-Xia Jin; Changhai Wang; Wenfu Chen
- Abstract
Pandoraea sp. OXJ-11 has been shown to produce an oxalate decarboxylase. The enzyme could be induced by increasing the oxalate in the medium. An increasing concentration of yeast extract was able to stimulate the cell growth but could not increase the specific oxalate decarboxylase activity. The oxalate decarboxylase was produced maximally at 25–35 °C and pH 4.0–9.0, favoring its potential application in protection of host plants from oxalate-producing phytopathogens. The influence of glucose on the induction of oxalate decarboxylase by oxalate was examined, and it was found that glucose inhibited the production of the oxalate decarboxylase. Resistance results showed that Pandoraea sp. OXJ-11 was capable of suppressing Sclerotinia sclerotiorum infection on detached leaflets of Brassica napus plants.
- Subjects
OXALATES; DECARBOXYLASES; ENZYMES; SCLEROTINIA; INFECTION; HOST plants; PHYTOPATHOGENIC microorganisms; PLANT parasites; PLANT diseases
- Publication
Canadian Journal of Microbiology, 2007, Vol 53, Issue 12, p1316
- ISSN
0008-4166
- Publication type
Article
- DOI
10.1139/W07-103