{"title":"gangetica在热、冷、盐、淹水和UV-B胁迫下的差异光合反应","authors":"Upma Bhatt, Shubhangani Sharma, Vineet Soni","doi":"10.1016/j.jpap.2022.100146","DOIUrl":null,"url":null,"abstract":"<div><p>Chlorophyll fluorescence transients are recognized as one of the most efficient methods for assessing plant photosynthetic efficiency under stressful conditions. The focus of this research was to investigate <em>R. gangetica's</em> photosynthetic performance under several abiotic stressors, including cold, heat, flooding, salinity, and UV. Chlorophyll (chl), proline, malondialdehyde (MDA) contents, specific energy fluxes (per Q<sub>A</sub>-reducing PSII reaction center) such as ABS/RC, TR<sub>0</sub>/RC, ET<sub>0</sub>/RC, DI<sub>0</sub>/RC, phenomenological fluxes, (ABS/CSm, TR/CSm, ETo/CSm), quantum yields (ɸPo, ɸEo, ɸDo), and performance indices (PI<sub>cs</sub> and PI<sub>abs</sub>) were analyzed. Chl content, Fm, Fv/Fm, and PIcs were recognized as highly sensitive parameters to all abiotic stresses. The results of the present study clearly show that <em>R. gangetica</em> has distinct biochemical and physiological strategies for dealing with the negative effects of various abiotic stressors. On the basis of present investigations, tolerance potential against several abiotic stimuli in <em>R. gangetica</em> can be ranked as follows Sl, UV, Ht, Fd, and Cd.</p></div>","PeriodicalId":375,"journal":{"name":"Journal of Photochemistry and Photobiology","volume":"12 ","pages":"Article 100146"},"PeriodicalIF":3.2610,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Differential photosynthetic responses in Riccia gangetica under heat, cold, salinity, submergence, and UV-B stresses\",\"authors\":\"Upma Bhatt, Shubhangani Sharma, Vineet Soni\",\"doi\":\"10.1016/j.jpap.2022.100146\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Chlorophyll fluorescence transients are recognized as one of the most efficient methods for assessing plant photosynthetic efficiency under stressful conditions. The focus of this research was to investigate <em>R. gangetica's</em> photosynthetic performance under several abiotic stressors, including cold, heat, flooding, salinity, and UV. Chlorophyll (chl), proline, malondialdehyde (MDA) contents, specific energy fluxes (per Q<sub>A</sub>-reducing PSII reaction center) such as ABS/RC, TR<sub>0</sub>/RC, ET<sub>0</sub>/RC, DI<sub>0</sub>/RC, phenomenological fluxes, (ABS/CSm, TR/CSm, ETo/CSm), quantum yields (ɸPo, ɸEo, ɸDo), and performance indices (PI<sub>cs</sub> and PI<sub>abs</sub>) were analyzed. Chl content, Fm, Fv/Fm, and PIcs were recognized as highly sensitive parameters to all abiotic stresses. The results of the present study clearly show that <em>R. gangetica</em> has distinct biochemical and physiological strategies for dealing with the negative effects of various abiotic stressors. On the basis of present investigations, tolerance potential against several abiotic stimuli in <em>R. gangetica</em> can be ranked as follows Sl, UV, Ht, Fd, and Cd.</p></div>\",\"PeriodicalId\":375,\"journal\":{\"name\":\"Journal of Photochemistry and Photobiology\",\"volume\":\"12 \",\"pages\":\"Article 100146\"},\"PeriodicalIF\":3.2610,\"publicationDate\":\"2022-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Photochemistry and Photobiology\",\"FirstCategoryId\":\"2\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2666469022000392\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Photochemistry and Photobiology","FirstCategoryId":"2","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2666469022000392","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Differential photosynthetic responses in Riccia gangetica under heat, cold, salinity, submergence, and UV-B stresses
Chlorophyll fluorescence transients are recognized as one of the most efficient methods for assessing plant photosynthetic efficiency under stressful conditions. The focus of this research was to investigate R. gangetica's photosynthetic performance under several abiotic stressors, including cold, heat, flooding, salinity, and UV. Chlorophyll (chl), proline, malondialdehyde (MDA) contents, specific energy fluxes (per QA-reducing PSII reaction center) such as ABS/RC, TR0/RC, ET0/RC, DI0/RC, phenomenological fluxes, (ABS/CSm, TR/CSm, ETo/CSm), quantum yields (ɸPo, ɸEo, ɸDo), and performance indices (PIcs and PIabs) were analyzed. Chl content, Fm, Fv/Fm, and PIcs were recognized as highly sensitive parameters to all abiotic stresses. The results of the present study clearly show that R. gangetica has distinct biochemical and physiological strategies for dealing with the negative effects of various abiotic stressors. On the basis of present investigations, tolerance potential against several abiotic stimuli in R. gangetica can be ranked as follows Sl, UV, Ht, Fd, and Cd.
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