Results 71 to 80 of about 26,846 (224)

Induction Kinetics of Photosystem I-Activated P700 Oxidation in Plant Leaves and Their Dependence on Pre-Energization [PDF]

, 2010
Absorbance changes ¿A 810 were measured in pea (Pisum sativum L., cv. Premium) leaves to track redox transients of chlorophyll P700 during and after irradiation with far red (FR) light under various preillumination conditions in the absence and presence ...
Bulychev, A.A., Vredenberg, W.J.
core   +2 more sources

Reduction of methemoglobin by ferredoxin and ferredoxin-NADP reductase system.

Journal of Biological Chemistry, 1981
The changes in absorption spectra between 450 and 650 nm during the reduction of methemoglobin A, (alpha 2+ beta 3+)2, and (alpha 3+ beta 2+)2 valency hybrids by the system including ferredoxin and ferredoxin-NADP reductase were studied under anaerobic conditions.
M Nagai, A Tomoda, Yoshimasa Yoneyama
openaire   +3 more sources

Ferredoxin/ferredoxin–thioredoxin reductase complex: Complete NMR mapping of the interaction site on ferredoxin by gallium substitution [PDF]

FEBS Letters, 2006
The reduction of ferredoxin–thioredoxin reductase (FTR) by plant‐type ferredoxin plays an important role in redox regulation in plants and cyanobacteria. Nuclear magnetic resonance (NMR) was used to map the binding sites on Synechocystis ferredoxin for FTR.
Xu, Xingfu, Kim, Sung-Kun, Schürmann, Peter, Hirasawa, Masakazu, Tripathy, Jatindra N., Smith, Jody, Knaff, David B., Ubbink, Marcellus   +7 more
openaire   +3 more sources

Non‐Respiratory Extracellular Electron Transfer Competes with Nitrogenase for Electrons in Rhodopseudomonas Palustris

Advanced Science, EarlyView.
This study develops a photosynthetic bioelectrochemical nitrogen fixation system for simultaneous nitrogen fixation and current generation using Rhodopseudomonas palustris. Notably, extracellular electron transfer (EET) serves as a redox balancing strategy, suppressing nitrogen fixation by competing with nitrogenase for electrons.
Xuewen Liu, Panqing Qi, Weipeng Fan, Wuyang Liu, Xingjiang Li, Yong Nie, Xiao‐Lei Wu   +6 more
wiley   +1 more source

The energy-converting hydrogenase Ech2 is important for the growth of the thermophilic acetogen Thermoanaerobacter kivui on ferredoxin-dependent substrates

Microbiology Spectrum
Thermoanaerobacter kivui is the thermophilic acetogenic bacterium with the highest temperature optimum (66°C) and with high growth rates on hydrogen (H2) plus carbon dioxide (CO2).
Christoph Baum, Benjamin Zeldes, Anja Poehlein, Rolf Daniel, Volker Müller, Mirko Basen   +5 more
doaj   +1 more source

Heterocyst Thylakoid Bioenergetics

Life, 2019
Heterocysts are specialized cells that differentiate in the filaments of heterocystous cyanobacteria. Their role is to maintain a microoxic environment for the nitrogenase enzyme during diazotrophic growth.
Ann Magnuson
doaj   +1 more source

Flashing LEDs for microalgal production [PDF]

, 2017
Flashing lights are next-generation tools to mitigate light attenuation and increase the photosynthetic efficiency of microalgal cultivation systems illuminated by light-emitting diodes (LEDs).
Guerra, Rui Manuel Farinha das Neves, J. C. or Varela J. or Varela J.C.S., Varela, Lisa Schueler, Lisa M. Schueler, Pereira, Hugo, Schulze, Peter S.C.   +4 more
core   +1 more source

Responsive ROS‐Augmented Prodrug Hybridization Nanoassemblies for Multidimensionally Synergitic Treatment of Hepatocellular Carcinoma in Cascade Assaults

Advanced Science, EarlyView.
This study proposes a novel HCC therapy using CA‐4S2@ES‐Cu nanomedicines to amplify cuproptosis, enhancing chemotherapy and immunotherapy. CA‐4 and ES‐Cu synergistically inhibit tumor growth, induce immune responses, and reverse the immunosuppressive microenvironment, offering an effective multidimensional therapeutic strategy for HCC treatment ...
Yingjie Zeng, Yuening Cao, Senmiao Ren, Chaozheng Zhang, Jianan Liu, Ke Liu, Yan Wang, Hongyu Chen, Fengjiao Zhou, Xiuli Yang, Xian Ge, Tingting Zhang, Tianbao Wang, Yao He, Defang Li, Chuantao Zhang, Jun Lu   +16 more
wiley   +1 more source

Crystal structure of pectocin M1 reveals diverse conformations and interactions during its initial step via the ferredoxin uptake system

FEBS Open Bio
Pectocin M1 (PM1), the bacteriocin from phytopathogenic Pectobacterium carotovorum which causes soft rot disease, has a unique ferredoxin domain that allows it to use FusA of the plant ferredoxin uptake system.
Nawee Jantarit, Hideaki Tanaka, Yuxi Lin, Young‐Ho Lee, Genji Kurisu   +4 more
doaj   +1 more source

Cyanophenylalanine as an Infrared Probe for Iron–Sulfur Cluster Redox State in Multicenter Metalloenzymes

ChemBioChem, EarlyView.
The noncanonical amino acid, cyanophenylalanine, is genetically inserted close to iron–sulfur clusters of either spinach ferredoxin or iron–iron hydrogenase, and functions as an infrared spectroscopic reporter for changes in cluster redox state.
Zehui Duan, Jiaao Wei, Stephen B. Carr, Miguel Ramirez, Rhiannon M. Evans, Philip A. Ash, Patricia Rodriguez‐Macia, Amit Sachdeva, Kylie A. Vincent   +8 more
wiley   +1 more source