Reactive Oxygen Species and Antioxidant Enzymes Involved in Plant Tolerance to Stress

Plants are continuously exposed to several stress factors in field, which affect their production. These environmental adversities generally induce the accumulation of reactive oxygen species (ROS), which can cause severe oxidative damage to plants. ROS are toxic molecules found in various subcellular compartments. The equilibrium between the production and detoxification of ROS is sustained by enzymatic and nonenzymatic antioxidants. Due to advances in molecular approaches during the last decades, nowadays it is possible to develop economically important transgenic crops that have increased tolerance to stresses. This chapter discusses the oxidative stress and damage to plants. In addition, it reports the involvement of antioxidant enzymes in the tolerance of plants to various stresses. Overexpression of a chloroplast-lo‐ cated peroxiredoxin Q gene, SsPrxQ, the salt and low-temperature toler‐

• Publication year

  2016

• Venue

  Unknown venue

• Publication date

  2016-02-17

• Fields of study

  Biology, Environmental Science

• Identifiers
  DOI 10.5772/61368
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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