DOI: 10.1046/j.1365-313x.1995.08010139.x. Germin‐like oxalate oxidase, a H<sub>2</sub>O<sub>2</sub>‐producing enzyme, accumulates in barley attacked by the powdery mildew fungus

Germin‐like oxalate oxidase, a H2O2‐producing enzyme, accumulates in barley attacked by the powdery mildew fungus

10.1046/j.1365-313x.1995.08010139.x

Crossref journal-article

Wiley

The Plant Journal (311)

Abstract

Germin‐like oxalate oxidase is an oligomeric enzyme which generates H2O2. This paper reports increased activity of this enzyme in association with the response of barley to the powdery mildew fungus, Erysiphe graminis f.sp. hordei. The increase is detected in a colorimetric assay as well as on activity blots using extracts of both resistant and susceptible leaves. The increase is generally apparent from 24 h after inoculation. From 48 h after inoculation, there is an approximately 10‐fold higher oxalate oxidase activity in the samples from inoculated plants compared with the controls. The oxalate oxidase activity increase appears 1–3 days earlier than PR‐1 protein accumulation. SDS—PAGE analysis suggests that this pathogen‐response oxalate oxidase is different from a commercially available barley oxalate oxidase, and from a constitutive barley root oxalate oxidase.

Bibliography

Zhang, Z., Collinge, D. B., & ThordalâChristensen, H. (1995). Germinâlike oxalate oxidase, a H2O2âproducing enzyme, accumulates in barley attacked by the powdery mildew fungus. The Plant Journal, 8(1), 139â145. Portico.

Authors 3

Ziguo Zhang (first)
David B. Collinge (additional)
Hans Thordal‐Christensen (additional)

References 0 Referenced 162

None

Dates

Type	When
Created	22 years, 5 months ago (March 12, 2003, 4:46 p.m.)
Deposited	1 year, 10 months ago (Oct. 25, 2023, 11:32 a.m.)
Indexed	1 week, 2 days ago (Aug. 28, 2025, 8:29 a.m.)
Issued	30 years, 2 months ago (July 1, 1995)
Published	30 years, 2 months ago (July 1, 1995)
Published Online	23 years, 6 months ago (March 5, 2002)
Published Print	30 years, 2 months ago (July 1, 1995)

Funders 0

None

BibTeX

@article{Zhang_1995, title={Germin‐like oxalate oxidase, a H2O2‐producing enzyme, accumulates in barley attacked by the powdery mildew fungus}, volume={8}, ISSN={1365-313X}, url={http://dx.doi.org/10.1046/j.1365-313x.1995.08010139.x}, DOI={10.1046/j.1365-313x.1995.08010139.x}, number={1}, journal={The Plant Journal}, publisher={Wiley}, author={Zhang, Ziguo and Collinge, David B. and Thordal‐Christensen, Hans}, year={1995}, month=jul, pages={139–145} }

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