Enhancement of antioxidant enzymes activities in rice callus by ascorbic acid under salinity stress

A. N. Alhasnawi, Che Radziah Che Mohd. Zain, A. A. Kadhimi, Anizan Isahak, A. Mohamad, Wan Mohtar Wan Yusoff

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Ascorbic acid is a naturally occurring compound with antioxidant activity that plays a pivotal role in plant cell adaptation to salinity stress. The objective of this work was to assess the influence of exogenous ascorbic acid on embryogenic callus of indica rice (Oryza sativa L.) cv. MRQ74 cultivated under saline conditions. NaCl (200 mM) decreased callus fresh and dry masses, relative growth rate, and K+ and Ca+2 content, and increased Na+ content and Na+/K+ ratio. Application of ascorbic acid (0.5 or 1 mM) alleviated these effects of salinity. The activities of peroxidase, catalase, and superoxide dismutase, as well as content of proline were increased due to NaCl treatment and these parameters were mostly further increased by 0.5 mM ascorbic acid. Thus, ascorbic acid can increase callus tolerance to NaCl stress.

Original languageEnglish
Pages (from-to)1-5
Number of pages5
JournalBiologia Plantarum
DOIs
Publication statusAccepted/In press - 13 Apr 2016

Fingerprint

salt stress
callus
ascorbic acid
enzyme activity
antioxidants
rice
proline
catalase
Oryza sativa
superoxide dismutase
peroxidase
antioxidant activity
salinity
cells

ASJC Scopus subject areas

  • Plant Science
  • Horticulture

Cite this

Enhancement of antioxidant enzymes activities in rice callus by ascorbic acid under salinity stress. / Alhasnawi, A. N.; Che Mohd. Zain, Che Radziah; Kadhimi, A. A.; Isahak, Anizan; Mohamad, A.; Wan Yusoff, Wan Mohtar.

In: Biologia Plantarum, 13.04.2016, p. 1-5.

Research output: Contribution to journalArticle

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