十种不同的外源植物生长促进剂在调节暴露于高温胁迫的大麦的细胞毒性和基因毒性过程中的作用

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS
S. Tabur, Ş. B. Yilmaz Ergün, Serkan Özmen
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引用次数: 0

摘要

农作物受全球气候变化的不利影响是初步的,也是最突出的,它们必须适应在不久的将来由于气候波动而出现的各种非生物因素,并努力生存下去。在非生物因素中,对植物胁迫影响最大的是高温。因此,为应对这一全球性威胁,最重要的措施就是培育耐高温的新品种。大麦是仅次于小麦、玉米和水稻的世界第四大谷物,受环境高温的影响很大。在这项工作中,研究了十种植物生长调节剂(PGRs)单独使用或双联、三联使用对暴露在高温(30°C)下的大麦根分生组织的有丝分裂活动和染色体行为的影响。实验中使用了 Hordeum vulgare L. cv. Bülbül 89 品种和 GA3、KIN、BA、E、EBR、TRIA 和 PAs(Spm、Spd、Put、Cad)作为生长调节剂。结果与在最适温度(20°C)下发芽的种子进行了比较。结果表明,所研究的大多数 PGRs,尤其是 GA3 及其与 GA3 的组合,对在高温胁迫--HTS 条件下发芽的大麦种子的有丝分裂活动和细胞遗传畸变有非常显著的影响。本研究首次介绍了这些 PGRs(除 EBR 外)及其组合对高温胁迫下有丝分裂活性和染色体行为的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Role of ten different exogenous plant growth promoters in regulating cytotoxic and genotoxic processes in barley exposed to high temperature stress
Agricultural crop affected preliminary and the most prominent by the adverse effects of global climate change have to adapt to various abiotic factors that will occur as a result of climate fluctuations in the near-future and struggle to survive. Among abiotic factors, the one of the greatest impact on plant stress is high temperature. Therefore, the most important step to take action against the global threat is the development of new temperature tolerant varieties. Barley, which is the fourth most important cereal in the world after wheat, maize, and rice are affected by high ambient temperatures. In this work, the effects of their alone and in double, triple combinations of ten various plant growth regulators (PGRs) on mitotic activity and chromosome behaviors in root meristems of barley exposed to high temperature (30°C) were investigated. In the experiments, Hordeum vulgare L. cv. Bülbül 89 variety and GA3, KIN, BA, E, EBR, TRIA and PAs (Spm, Spd, Put, Cad) as growth regulators were used. The results obtained were compared with each other and with those of the seeds germinated at optimum temperature (20°C). Consequently; it has been determined that most of the PGRs studied, especially the GA3 and their combinations with GA3, exhibit a very successful performance on mitotic activity and cytogenetic aberrations in barley seeds germinated under  high temperature stress- HTS conditions. The effects of these PGRs (except for EBR) and their combinations on mitotic activity and chromosome behaviors under HTS have been presented in this study for the first time.
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来源期刊
ACS Applied Bio Materials
ACS Applied Bio Materials Chemistry-Chemistry (all)
CiteScore
9.40
自引率
2.10%
发文量
464
期刊介绍: ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.
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