Results 31 to 40 of about 42,096 (248)

Chlorophyll b degradation by chlorophyll b reductase under high-light conditions [PDF]

Photosynthesis Research, 2015
The light-harvesting chlorophyll a/b binding protein complex of photosystem II (LHCII) is the main antenna complex of photosystem II (PSII). Plants change their LHCII content depending on the light environment. Under high-light conditions, the content of LHCII should decrease because over-excitation damages the photosystem.
Sato, Rei, Ito, Hisashi, Tanaka, Ayumi
openaire   +3 more sources

Degradation of Chlorophyll Luminescence in Plants

Ukrainian Journal of Physics, 2012
The chlorophyll photoluminescence intensity degradation of Vallisneria spiralis L. water plant is studied. It is shown that the degradation curve is rather well described by a sum of two hyperbolic functions. The rate of intensity degradation reduces at low temperatures.
Vakulenko, O.V., Grygorieva, O.O., Dacenko, O.I.   +2 more
openaire   +3 more sources

An integrative analysis of metabolomics, DNA methylation and RNA-Seq data reveals key genes involved in albino tea 'Haishun 2'

Beverage Plant Research, 2022
Albino tea, a type of tea closely associated with the chlorophyll-deficient phenotype is of great interest due to its multiple benefits to human health.
Kang Wei, Shuping Yu, Qili Quan, Shirin Aktar, Mengdi He, Yazhen Zhang, Huihan Fang, Rongmei Wu, Li Ruan, Peng Mao, Peixian Bai, Liyun Wu, Hao Cheng, Liyuan Wang   +13 more
doaj   +1 more source

Disruption of chlorophyll metabolism and photosynthetic efficiency in winter jujube (Ziziphus jujuba) Induced by Apolygus lucorum infestation

Frontiers in Plant Science
Apolygus lucorum, a cosmopolitan Hemiptera insect, poses a significant threat to Ziziphus jujuba (jujube), causing symptoms such as mottled chlorosis. However, the mechanisms through which A.
Wei Tan, Qi Yin, Haipeng Zhao, Mengyao Wang, Xia Sun, Hui Cao, Deya Wang, Qingliang Li   +7 more
doaj   +1 more source

Exogenous Putrescine Increases Heat Tolerance in Tomato Seedlings by Regulating Chlorophyll Metabolism and Enhancing Antioxidant Defense Efficiency

Plants, 2022
Crops around the world are facing a diversity of environmental problems, of which high temperatures are proving to be the most serious threat to crops. Polyamine putrescine (Put) acts as a master growth regulator that contributes to optimal plant growth ...
Mohammad Shah Jahan, Md. Mahadi Hasan, Fahad S. Alotaibi, Nadiyah M. Alabdallah, Basmah M. Alharbi, Khaled M. A. Ramadan, Eslam S. A. Bendary, Dikhnah Alshehri, Dilfuza Jabborova, Doha A. Al-Balawi, Eldessoky S. Dessoky, Mohamed F. M. Ibrahim, Shirong Guo   +12 more
doaj   +1 more source

Identification of genes associated with chlorophyll accumulation in flower petals. [PDF]

PLoS ONE, 2014
Plants have an ability to prevent chlorophyll accumulation, which would mask the bright flower color, in their petals. In contrast, leaves contain substantial amounts of chlorophyll, as it is essential for photosynthesis. The mechanisms of organ-specific
Akemi Ohmiya, Masumi Hirashima, Masafumi Yagi, Koji Tanase, Chihiro Yamamizo   +4 more
doaj   +1 more source

The effects of nitrogen application on the growth, photosynthesis, and antioxidant activity of Amaranthus viridis

Photosynthetica, 2022
Amaranthus viridis is a functional food due to its antioxidant activity. The aim of this study was to investigate the responses of photosynthesis, growth, and antioxidant properties in A. viridis to nitrogen (N) applications. A.
C.-C. CHEN, M.-Y. HUANG, K.-H. LIN, M.-T. HSUEH   +3 more
doaj   +1 more source

Designing Polymer Nanocomposites for X‐Ray Shielding: Mechanisms, Architectures, and Scalable Processing

Advanced Engineering Materials, EarlyView.
This review highlights advances in lightweight, lead‐free polymer nanocomposites for diagnostic X‐ray shielding. By linking filler chemistry, dispersion, architecture, and photon interaction mechanisms, it establishes structure–performance relationships guiding material design.
Aklilu G. Messele, Hossein Ipakchi, Tizazu H. Mekonnen   +2 more
wiley   +1 more source

Overexpressing 7-Hydroxymethyl Chlorophyll a Reductase Alleviates Non-Programmed Cell Death during Dark-Induced Senescence in Intact Arabidopsis Plants

Biomolecules, 2021
Leaf senescence, the last stage of leaf development, is a well-regulated and complex process for investigation. For simplification, dark-induced leaf senescence has frequently been used to mimic the natural senescence of leaves because many typical ...
Xueyun Hu, Chu Zeng, Jinling Su, Imran Khan, Ahmad Zada, Ting Jia   +5 more
doaj   +1 more source

HCAR Is a Limitation Factor for Chlorophyll Cycle and Chlorophyll b Degradation in Chlorophyll-b-Overproducing Plants

Biomolecules, 2020
The chlorophyll (Chl) cycle is the metabolic pathway for Chl a and Chl b inter-conversion. In this pathway, Chl b is synthesized from Chl a by the catalyzing action of chlorophyllide a oxygenase (CAO). In contrast, Chl b is firstly reduced to produce 7-hydroxymethyl Chl (HMChl) a, which is catalyzed by two isozymes of Chl b reductase (CBR), non-yellow ...
Xuan Zhao, Ting Jia, Xueyun Hu
openaire   +3 more sources