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Introduction Perception of the genetic diversity in domesticated and wild relatives of a plant species is important for their use in breeding programs. Considering that a large part of wheat cropping fields in Iran is located in arid and semi-arid areas, and that plants adapt to environmental stresses with different strategies, such as changes in antioxidant enzymes. Therefore, it is necessary ...

SUBJECT: تنش خشکی; آسکوربات پراکسیداز; کاتالاز; سوپراکسیددیسموتاز; آنتی اکسیدان

Introduction Agricultural soils in Iran, as in many other countries, are slightly to moderately contaminated by cadmium. According to some published reports, the average content of cadmium in some agricultural products and soils of Iran was found to be above the FAO/WHO guidelines. Abiotic stresses including cadmium stress can lead to overproduction of reactive oxygen species (ROS) causing pro ...

SUBJECT: سلنیم; رنگ‌دانه‌های فتوسنتزی; عناصر سنگین; کاتالاز; آنتاگونیست

Introduction The Feverfew plant, Tanacetum parthenium L, is a two or more perennial herb, with a direct stem and longitudinal grooves of 30 to 80 cm in height. Due to the importance of the role of antioxidant enzymes in protecting plant cells against oxidation stress caused by adverse environmental conditions, the activity of a group of these enzymes in the pre-flowering stage under the influe ...

SUBJECT: پلی فنل اکسیداز; گایاکول پراکسیداز; کاتالاز; نانو نقره; نانو کلات آهن

Introduction The scientific name of saffron (Crocus sativus L.) has 85 species of crocus, lily family and has been of the order of asparagus. Drought stress occurs when the transpiration rate of water absorption rate. Drought stress causes reduced photosynthesis, impaired physiological and finally drying and death of the plant. Peroxide belongs to a large family of enzymes that are present at ...

SUBJECT: کارتنوئید; کاتالاز; کلروفیل; الیسیتور

Introduction Environmental stresses, in addition to their straight effects on plants growth and development, induce oxidative stresses on plants. These secondary stresses cause degradations on cell wall lipids and cell organelles proteins. In response to overflow of reactive oxygen species (ROS) enzymatic and non-enzymatic antioxidants productionscould be induced in plants. Due to the kind and ...

SUBJECT: آب قابل‌دسترس; کاتالاز; گونه‌های فعال اکسیژن; پراکسیداز