Effect of laser irradiation and ethylene on chilling tolerance of wheat seedlings | |
Chen, Y. P.; Liu, Q. | |
2015-05-01 | |
发表期刊 | RUSSIAN JOURNAL OF PLANT PHYSIOLOGY |
ISSN | 1021-4437 |
卷号 | 62期号:3页码:299-306 |
文章类型 | Article |
摘要 | In order to determine the mechanism of laser-enhanced chilling tolerance in wheat (Triticum aestivum L.) seedlings, the seeds were exposed to different treatments, and some physiological and biochemical parameters were measured in 5-day-old seedlings. The results showed that in wheat seedlings subjected to 1-aminocyclopropane-1-carboxylic acid (ACC) followed by chilling stress (CS), the concentrations of H2O2, O-2 (.-) and MDA were lower, while the activities of superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT), as well as the soluble protein content (SPC) and the seedling length (SL) were higher than those in chilling stress treatment. When wheat seedlings were subjected to aminooxyacetic acid (AOA) followed by chilling stress, the results were different from those in which the seedlings were subjected to ACC. Although ACC and AOA treatments followed by laser irradiation led to an increase in the aforementioned enzyme activities, SPC, and SL, with a simultaneous decrease in concentrations of H2O2, O-2 (.-), and MDA, the effect of ACC treatment followed by laser irradiation was more favorable than that of AOA treatment followed by laser light. Similarly, the oxidative damage induced by chilling stress was alleviated in treatment with ACC+LR and AOA+LR, but alleviation effects of ACC+LR+CS were more prominent than in the treatment AOA+LR+CS. These results suggest that the laser light and ethylene have a positive synergistic effect, thus enhancing chilling tolerance in wheat seedlings. |
关键词 | Triticum Aestivum Laser Ethylene Chilling Tolerance Oxidative Damage Reactive Oxygen Species |
WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
DOI | 10.1134/S1021443715030048 |
关键词[WOS] | He-ne-laser ; 1-aminocyclopropane-1-carboxylic Acid ; Superoxide-dismutase ; Enzyme-activity ; Stress ; Antioxidant ; Peroxidase ; Protein ; Growth ; Leaves |
收录类别 | SCI |
语种 | 英语 |
WOS研究方向 | Plant Sciences |
WOS类目 | Plant Sciences |
WOS记录号 | WOS:000353795600003 |
出版者 | MAIK NAUKA/INTERPERIODICA/SPRINGER |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ieecas.cn/handle/361006/9388 |
专题 | 生态环境研究室 |
通讯作者 | Chen, Y. P. |
作者单位 | Chinese Acad Sci, Inst Earth Environm, SKLLQG, Xian 710075, Peoples R China |
推荐引用方式 GB/T 7714 | Chen, Y. P.,Liu, Q.. Effect of laser irradiation and ethylene on chilling tolerance of wheat seedlings[J]. RUSSIAN JOURNAL OF PLANT PHYSIOLOGY,2015,62(3):299-306. |
APA | Chen, Y. P.,&Liu, Q..(2015).Effect of laser irradiation and ethylene on chilling tolerance of wheat seedlings.RUSSIAN JOURNAL OF PLANT PHYSIOLOGY,62(3),299-306. |
MLA | Chen, Y. P.,et al."Effect of laser irradiation and ethylene on chilling tolerance of wheat seedlings".RUSSIAN JOURNAL OF PLANT PHYSIOLOGY 62.3(2015):299-306. |
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