Induction of enzymatic scavengers of active oxygen species in rice in response to infection by Rhizoctonia solani

V. Paranidharan, A. Palaniswami, P. Vidhyasekaran, R. Velazhahan

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Changes in the activities of peroxidase, ascorbate peroxidase, catalase and superoxide dismutase in rice in response to infection by Rhizoctonia solani were studied. A significant increase in peroxidase activity was observed in R. solani-inoculated rice leaf sheaths 1 day after inoculation and the maximum enzyme activity was recorded 3 days after inoculation at which period a 3-fold increase in peroxidase activity was observed compared to the untreated control. Three peroxidase isozymes viz., PO-4, PO-5 and PO-6 were induced in rice upon infection by R. solani. Ascorbate peroxidase and catalase activities significantly increased 1-2 days after inoculation and the maximum enzyme activities were recorded 5 days after inoculation. Superoxide dismutase activity increased significantly 2 days after inoculation and increased progressively, reaching four times the control value at 7 days after inoculation.

Original languageEnglish
Pages (from-to)91-96
Number of pages6
JournalActa Physiologiae Plantarum
Volume25
Issue number1
Publication statusPublished - 2003

Fingerprint

Rhizoctonia
Thanatephorus cucumeris
Peroxidase
Reactive Oxygen Species
peroxidase
Ascorbate Peroxidases
rice
Infection
ascorbate peroxidase
infection
Catalase
Superoxide Dismutase
catalase
superoxide dismutase
enzyme activity
Enzymes
Isoenzymes
isozymes
Oryza
active oxygen species

Keywords

  • Ascorbate peroxidase
  • Catalase
  • Oryza sativa
  • Peroxidase
  • Rhizoctonia solani
  • Superoxide dismutase

ASJC Scopus subject areas

  • Physiology
  • Agronomy and Crop Science
  • Plant Science

Cite this

Induction of enzymatic scavengers of active oxygen species in rice in response to infection by Rhizoctonia solani. / Paranidharan, V.; Palaniswami, A.; Vidhyasekaran, P.; Velazhahan, R.

In: Acta Physiologiae Plantarum, Vol. 25, No. 1, 2003, p. 91-96.

Research output: Contribution to journalArticle

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