photoprotection of plants via optical screening

PHOTOPROTECTION of PLANTS via OPTICAL

2013-8-25  PHOTOPROTECTION of PLANTS via OPTICAL SCREENING Alexei Solovchenko Department of Biophysics Faculty of Biology, Moscow State University 119991, GSP-1 Moscow, Russia [email protected] Optical Screening and it's Importance for Plant Photoprotection Plants as photoautotrophic organisms cannot exist without solar radiation energy.

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Photoprotection in Plants - Optical Screening-based ...

Photoprotection in Plants Optical Screening-based Mechanisms. Authors: Solovchenko, Alexei Free Preview. Summarizes the current knowledge on photoprotection of plants via optical screening of solar radiation in the UV and visible parts of the spectrum by extrathylakoid pigments; Focuses on the effects of screening pigment accumulation on plant ...

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Buy Photoprotection in Plants: Optical Screening

Amazon - Buy Photoprotection in Plants: Optical Screening-based Mechanisms: 14 (Springer Series in Biophysics) book online at best prices in India on Amazon. Read Photoprotection in Plants: Optical Screening-based Mechanisms: 14 (Springer Series in Biophysics) book reviews author details and more at Amazon. Free delivery on qualified orders.

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Photoprotection in plants : optical screening-based ...

Photoprotection in Plants aims to develop an integral view of optical screening-based photoprotection in microalgae and higher plants. The text describes key groups of pigments involved in the screening of components of solar radiation in microalgae and higher plants,

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Photoprotection in Plants SpringerLink

This book represents an attempt to develop an integral view of optical screening-based photoprotection in microalgae and higher plants. Towards this end, the key groups of pigments involved in the screening of ultraviolet and visible components of solar radiation in microalgae and higher plants

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Photoprotection in Plants Request PDF

In this introductory chapter, the concept of photoprotection via “passive” screening of solar radiation by different extrathylakoid pigments is briefly outlined.

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Amazon Photoprotection in Plants: Optical Screening ...

Amazon配送商品ならPhotoprotection in Plants: Optical Screening-based Mechanisms (Springer Series in Biophysics)が通常配送無料。更にAmazonならポイント還元本が多数。Solovchenko, Alexei作品ほか、お急ぎ便対象商品は当日お届けも可能。

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Photoprotection in Plants - Librairie Lavoisier

The book summarises the current knowledge on photoprotection of plants via optical screening of solar radiation in the UV and visible parts of the spectrum by extrathylakoid pigments Special attention is paid to the effects of screening pigment accumulation on plant optical properties The readers find the summary of key screening pigments ...

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Manipulation of Photoprotection to Improve Plant ...

2011-1-1  Photoprotection is a rather broad term that can be used to cover mechanisms that prevent light energy from inducing damage via the generation of high levels of reactive oxygen species (ROS). Although ROS are important signaling molecules in plants

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Unravelling the Photoprotection Properties of

2019-8-29  Photoprotection from harmful ultraviolet (UV) radiation exposure is a key problem in modern society. Mycosporine-like amino acids found in fungi, cyanobacteria, macroalgae, phytoplankton, and animals are already presenting a promising form of natural photoprotection in sunscreen formulations. Using time-resolved transient electronic absorption spectroscopy and guided by complementary ab

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Screening of visible and UV radiation as a

Prolonged exposure of plants to high fluxes of solar radiation as well as to other environmental stressors disturbs the balance between absorbed light energy and capacity of its photochemical utilization resulting in photoinhibition of and eventually in damage to plants. Under such circumstances, the limiting of the light absorption by the photosynthetic apparatus efficiently augments the ...

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(PDF) Screening of visible and UV radiation as a ...

This hypothesis is supported by a wide diversity of functions fulfilled in contempo-rary plants by screening compounds, such as Phe [35,53]. Probably, the versatile metabolic pathways of phototrophic organisms served as a rich source of compounds absorbing in the UV and visible parts of the spectrum [18].

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Ultrafast Photoprotecting Sunscreens in Natural Plants ...

2019-5-26  Mutants of Arabidopsis deficient in a major leaf phenylpropanoid ester, 2-O-sinapoyl-L-malate, were identified by TLC screening of methanolic leaf exts. from several thousand mutagenized plants. Mutations at a locus designated SIN1 also eliminate accumulation of the sinapic acid esters characteristic of seed tissues.

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Photobiological Sciences Online (PSO)

2020-10-19  Modeling Leaf Optical Properties Stéphane Jacquemoud and Susan L. Ustin Ultraviolet Effects on Phytoplankton Donat-P. Häder Photoreactivity of Drugs in vitro and in vivo Hanne Hjorth Tønnesen and Steven W. Baertschi Photoprotection of Plants via Optical Screening Alexei Solovchenko

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Photoprotection in the Antenna Complexes of

RESULTS. LHCII trimers were purified from WT plants and mutant plants affected in the carotenoid biosynthesis; that is, npq2, which is blocked at the level of the zeaxanthin epoxidase and accumulates only lutein and zeaxanthin (LHCII-LZ), and chy1chl2lut5, which lacks all the xantophylls in the β-β branch and contains only lutein (LHCII-L).The trimers from WT plants were purified under mild ...

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Photoprotection in the Antenna Complexes of

In this work the photoprotective role of all xanthophylls in LHCII, Lhcb4, and Lhcb5 is investigated by laser-induced Triplet-minus-Singlet (TmS) spectroscopy. The comparison of native LHCII trimeric complexes with different carotenoid composition shows that the xanthophylls in sites V1 and N1 do not directly contribute to the chlorophyll triplet quenching.

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Chlorophyll Triplet Quenching and Photoprotection in

2019-12-12  In oxygenic photosynthetic organisms, chlorophyll triplets are harmful excited states readily reacting with molecular oxygen to yield the reactive oxygen species (ROS) singlet oxygen. Carotenoids have a photoprotective role in photosynthetic membranes by preventing photoxidative damage through quenching of chlorophyll singlets and triplets. In this work we used mutation analysis to investigate ...

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Light Acclimation of the Colonial Green Alga

Photoprotection by optical screening by ketocarotenoids (but not Echi) accumulated outside the thylakoid membrane is observed in many other green algae under stress conditions (Solovchenko, 2013). The decrease of the Echi/Chl ratio upon transition to LL (34 [ML] to 4 [LL]; Table 1 ) suggests that the cells may be actively degrading Echi ...

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Frontiers DNA Repair and Photoprotection:

Halophilic archaea push the limits of life at several extremes. In particular, they are noted for their biochemical strategies in dealing with osmotic stress, low water activity and cycles of desiccation in their hypersaline environments. Another feature common to their habitats is intense ultraviolet (UV) radiation, which is a challenge that microorganisms must overcome.

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Chloroplast ultrastructure in plants - Kirchhoff - 2019 ...

2019-8-13  These first eukaryotic phototrophs eventually evolved into ancient terrestrial plants in the Ordovician period (488 and 444 million yr ago (Ma), Lenton et al., 2012). Whether these first land plants emerged from the oceans or in fresh water is a matter of debate (Wellman Strother, 2015).

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Ultrafast Photoprotecting Sunscreens in Natural Plants ...

2019-5-26  Mutants of Arabidopsis deficient in a major leaf phenylpropanoid ester, 2-O-sinapoyl-L-malate, were identified by TLC screening of methanolic leaf exts. from several thousand mutagenized plants. Mutations at a locus designated SIN1 also eliminate accumulation of the sinapic acid esters characteristic of seed tissues.

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Photoprotection and Other Responses of Plants to

Photoprotection and Other Responses of Plants to High Light Stress Photoprotection and Other Responses of Plants to High Light Stress Demmig-Adams, B; Adams, W W 1992-06-01 00:00:00 This review deals with the responses of the photosynthetic organs of plants to high light, with an emphasis on a recently recognized mechanism that protects 0066 ...

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Photoprotection in the Antenna Complexes of

RESULTS. LHCII trimers were purified from WT plants and mutant plants affected in the carotenoid biosynthesis; that is, npq2, which is blocked at the level of the zeaxanthin epoxidase and accumulates only lutein and zeaxanthin (LHCII-LZ), and chy1chl2lut5, which lacks all the xantophylls in the β-β branch and contains only lutein (LHCII-L).The trimers from WT plants were purified under mild ...

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Photoprotection in the Antenna Complexes of

In this work the photoprotective role of all xanthophylls in LHCII, Lhcb4, and Lhcb5 is investigated by laser-induced Triplet-minus-Singlet (TmS) spectroscopy. The comparison of native LHCII trimeric complexes with different carotenoid composition shows that the xanthophylls in sites V1 and N1 do not directly contribute to the chlorophyll triplet quenching.

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Light Acclimation of the Colonial Green Alga

Photoprotection by optical screening by ketocarotenoids (but not Echi) accumulated outside the thylakoid membrane is observed in many other green algae under stress conditions (Solovchenko, 2013). The decrease of the Echi/Chl ratio upon transition to LL (34 [ML] to 4 [LL]; Table 1 ) suggests that the cells may be actively degrading Echi ...

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Chlorophyll Triplet Quenching and Photoprotection in

2019-12-12  In oxygenic photosynthetic organisms, chlorophyll triplets are harmful excited states readily reacting with molecular oxygen to yield the reactive oxygen species (ROS) singlet oxygen. Carotenoids have a photoprotective role in photosynthetic membranes by preventing photoxidative damage through quenching of chlorophyll singlets and triplets. In this work we used mutation analysis to investigate ...

Get PriceEmail contact

Frontiers DNA Repair and Photoprotection:

Halophilic archaea push the limits of life at several extremes. In particular, they are noted for their biochemical strategies in dealing with osmotic stress, low water activity and cycles of desiccation in their hypersaline environments. Another feature common to their habitats is intense ultraviolet (UV) radiation, which is a challenge that microorganisms must overcome.

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Lhcx proteins provide photoprotection via thermal ...

2019-9-13  Lhcx proteins provide photoprotection via thermal dissipation of absorbed light in the diatom Phaeodactylum tricornutum. ...

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Chloroplast ultrastructure in plants - Kirchhoff - 2019 ...

2019-8-13  These first eukaryotic phototrophs eventually evolved into ancient terrestrial plants in the Ordovician period (488 and 444 million yr ago (Ma), Lenton et al., 2012). Whether these first land plants emerged from the oceans or in fresh water is a matter of debate (Wellman Strother, 2015).

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Journal of the American Chemical Society期刊最新论文, 化学 ...

Journal of the American Chemical Society期刊最新论文,,顶级期刊最新论文图文内容,出版社网站每日同步更新,点击标题直达论文原文,自定义关注的期刊,覆盖PubMed的论文库,快速方便精准的找到您想

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