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| DOI | 10.1007/s10812-024-01689-w |
| ASSESSMENT OF P700 REDOX STATE OF TOMATO PLANTS UNDER THE COMBINED INFLUENCE OF ELEVATED TEMPERATURE AND Fusarium oxysporum INFECTION BY DIFFERENTIAL ABSORPTION PHOTOMETRY USING SATURATING LIGHT PULSE TECHNOLOGY | |
| 发表日期 | 2024 |
| ISSN | 0021-9037 |
| EISSN | 1573-8647 |
| 起始页码 | 91 |
| 结束页码 | 1 |
| 卷号 | 91期号:1 |
| 英文摘要 | Differential absorption photometry and sequential saturating light pulses of modulated frequency were used to study the kinetics of P700 oxidation/reduction in leaves of the upper tier of tomato plants under the influence of elevated temperature (40 degrees C, 3h) and infection with Fusarium oxysporum and their combined action. Thermal exposure reduced the level of P700 oxidation and the quantum yield of photosystem I (PSI) photochemical reactions and increased nonphotochemical energy dissipation on the PSI acceptor side. At the same time, the contribution of electron flow catalyzed by ferredoxin-plastoquinone reductase (FQR) decreased in heat-treated plants while the proportion of cyclic electron transport dependent on the NADH dehydrogenase-like complex (NDH) increased. Infection of the plants with the pathogenic fungus Fusarium oxysporum caused a decrease in the quantum yield of PSI photochemical reactions and a significant increase in nonphotochemical energy dissipation on the PSI acceptor side. The combined effect of elevated temperature and F. oxysporum enhanced the suppressive effect of both stress factors on photoinduced oxidation of P700 and activated nonphotochemical energy dissipation on both the acceptor and donor sides of PSI. The suppression of linear and FQR-dependent cyclic electron flows induced by Fusarium wilt and elevated temperature was compensated by activation of NDH-dependent electron transport. |
| 英文关键词 | P700 oxidation/reduction; nonphotochemical energy dissipation; Lycopersicon esculentum L.; elevated temperature; Fusarium oxysporum |
| 语种 | 英语 |
| WOS研究方向 | Spectroscopy |
| WOS类目 | Spectroscopy |
| WOS记录号 | WOS:001176975300004 |
| 来源期刊 | JOURNAL OF APPLIED SPECTROSCOPY
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/297759 |
| 作者单位 | Belarusian State University |
| 推荐引用方式 GB/T 7714 | . ASSESSMENT OF P700 REDOX STATE OF TOMATO PLANTS UNDER THE COMBINED INFLUENCE OF ELEVATED TEMPERATURE AND Fusarium oxysporum INFECTION BY DIFFERENTIAL ABSORPTION PHOTOMETRY USING SATURATING LIGHT PULSE TECHNOLOGY[J],2024,91(1). |
| APA | (2024).ASSESSMENT OF P700 REDOX STATE OF TOMATO PLANTS UNDER THE COMBINED INFLUENCE OF ELEVATED TEMPERATURE AND Fusarium oxysporum INFECTION BY DIFFERENTIAL ABSORPTION PHOTOMETRY USING SATURATING LIGHT PULSE TECHNOLOGY.JOURNAL OF APPLIED SPECTROSCOPY,91(1). |
| MLA | "ASSESSMENT OF P700 REDOX STATE OF TOMATO PLANTS UNDER THE COMBINED INFLUENCE OF ELEVATED TEMPERATURE AND Fusarium oxysporum INFECTION BY DIFFERENTIAL ABSORPTION PHOTOMETRY USING SATURATING LIGHT PULSE TECHNOLOGY".JOURNAL OF APPLIED SPECTROSCOPY 91.1(2024). |
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