Article
Biochemistry & Molecular Biology
Fei Chen, Run Su, Shiwei Ni, Yan Liu, Jiexiang Huang, Gege Li, Qun Wang, Xi Zhang, Yufeng Yang
Summary: The study revealed that stem cells can respond differently to various levels of ROS in different conditions, suggesting that antioxidant-based interventions for stem cells and tumors should be carefully formulated according to the specific situations.
Article
Biology
Ainul Huda, Alisa A. Omelchenko, Thomas J. Vaden, Allison N. Castaneda, Lina Ni
Summary: This study used an automated tracking method to investigate the thermotactic behaviors of Drosophila larvae and adults. The results showed that different Drosophila species have varied mobility and temperature preferences, which will aid in further research on the molecular mechanisms of temperature responsiveness.
JOURNAL OF EXPERIMENTAL BIOLOGY
(2022)
Review
Biochemistry & Molecular Biology
Yuantao Tan, Yaoke Duan, Qing Chi, Rong Wang, Yue Yin, Dongjie Cui, Shuang Li, Aiying Wang, Ruonan Ma, Bing Li, Zhen Jiao, Hao Sun
Summary: Radiation is prevalent in nature and has both negative and positive effects on plants. Reactive oxygen species (ROS) play a role in the plant response to radiation and act as signaling molecules to regulate downstream reactions. Through studies using new technologies like RNA-seq, the role of ROS in plants' response to UV, ion beam, and plasma radiation has been elucidated. This review provides insights into the mechanisms of plant response to radiation.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Neurosciences
Serene Dhawan, Philip Myers, David M. D. Bailey, Aaron D. Ostrovsky, Jan Felix Evers, Matthias Landgraf
Summary: The study reveals the role of reactive oxygen species (ROS) in regulating the size of neuronal dendritic arbors. It shows that activity-regulated ROS are transmitted between cells through NADPH oxidase and aquaporins, ultimately negatively regulating dendritic arbor size.
FRONTIERS IN CELLULAR NEUROSCIENCE
(2021)
Article
Engineering, Environmental
Gongduan Fan, Yujian Li, Banghao Du, Lei Yao, Chenjian Cai, Hao Li, Shoubin Chen, Jianyong Zou, Zhanglin Hong, Kai-Qin Xu
Summary: As an emerging advanced oxidation technology, UV/PAA shows great potential in removing pharmaceuticals and personal care products (PPCPs) in wastewater treatment. The study investigated the degradation effects and PAA activation mechanisms by UV irradiation on ibuprofen, and found that the UV/PAA process exhibited excellent degradation efficiency and a synergistic effect between UV and PAA. The study also identified the reactive oxygen species involved in the degradation and analyzed the intermediates produced during the process.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2023)
Article
Chemistry, Analytical
Marita A. Cardoso, Helena M. R. Goncalves, Frank Davis
Summary: The understanding of the role of Reactive Oxygen Species (ROS) in biological media has been evolving. ROS have been associated with various health conditions, but they also play a role in the immune response and can be used for therapeutic purposes. However, the short lifespan and limited distribution of ROS have posed challenges to their application. Therefore, the development of innovative sensing strategies for monitoring ROS levels and immune response in real time is crucial.
Article
Entomology
Ruth Coya, Fernando Martin, Laura Calvin-Cejudo, Carolina Gomez-Diaz, Esther Alcorta
Summary: The fruit fly, Drosophila melanogaster, has been used as a model organism to study the olfactory system of insects. Optogenetics, a genetic tool, allows for the immediate alteration of cell functioning with light. This study explores a dual excitation model, where the subject responds to odors while the olfactory receptor neurons are activated by light. The results show reduced sensitivity in the flies' response to odor with light activation.
Article
Chemistry, Analytical
Rui Jia, Susan A. Rotenberg, Michael V. Mirkin
Summary: Extracellular vesicles have potential applications in cancer diagnostics and cell signaling. Electrochemical resistive-pulse sensing allows for direct detection and analysis of these vesicles, as well as monitoring the effects of therapeutic agents.
ANALYTICAL CHEMISTRY
(2022)
Article
Plant Sciences
Samuel A. McInturf, Mather A. Khan, Arun Gokul, Norma A. Castro-Guerrero, Ricarda Hohner, Jiamei Li, Henri-Baptiste Marjault, Yosef Fichman, Hans-Henning Kunz, Fiona L. Goggin, Marshall Keyster, Rachel Nechushtai, Ron Mittler, David G. Mendoza-Cozatl
Summary: The study reveals that both iron deficiency and cadmium exposure induce similar gene expression responses. The use of the mutant opt3-2, which accumulates high levels of iron, helps identify gene clusters that are repressed in the wild type but induced by cadmium. The data suggest that hydrogen peroxide may regulate iron deficiency responses by preventing the induction of specific genes.
JOURNAL OF EXPERIMENTAL BOTANY
(2022)
Article
Plant Sciences
Xinyu Zhao, Wei Zheng, Tongfei Qu, Yi Zhong, Jinhui Xu, Yongshun Jiang, Huanxin Zhang, Xuexi Tang, Ying Wang
Summary: Ultraviolet-B (UV-B) is an important factor in the production of reactive oxygen species (ROS) in plants, with the use of chlorofluorocarbons (CFCs) leading to ozone depletion and increased UV-B radiation. This study found that ROS production in Ulva prolifera under UV-B primarily occurred in the chloroplast, leading to oxidative damage in extreme radiation conditions and signaling functions in moderate conditions.
ENVIRONMENTAL AND EXPERIMENTAL BOTANY
(2021)
Article
Neurosciences
Benjamin J. Smith, Cyrus F. McHugh, Arlene A. Hirano, Nicholas C. Brecha, Steven Barnes
Summary: Increasing spike rates drive greater neuronal energy demand and mitochondrial ATP production, leading to the generation of reactive oxygen species (ROS) that modulate ion channel gating. We investigated the relationship between retinal ganglion cell (RGC) excitability and spike activity-driven ROS production. The results showed that changes in intracellular ROS levels affect spike rates differently in different subtypes of RGCs, indicating that endogenous ROS are intrinsic neuromodulators in RGCs with high metabolic demands but not in RGCs with lower energy needs.
JOURNAL OF NEUROSCIENCE
(2023)
Review
Chemistry, Analytical
Rohini Kumari, Daphika S. Dkhar, Supratim Mahapatra, Divya, Rahul Kumar, Pranjal Chandra
Summary: Reactive oxygen species play an important role in cell signaling but excessive production is associated with various diseases. Traditional detection methods have limitations, while biosensing technology has emerged as a major approach. This review discusses recent biosensors for monitoring reactive oxygen species and highlights the progress of nanotechnology and biomimetic engineering in biosensing.
MICROCHEMICAL JOURNAL
(2022)
Article
Neurosciences
Carlo N. G. Giachello, Iain Hunter, Tom Pettini, Bramwell Coulson, Athene Knufer, Sebastian Cachero, Michael Winding, Aref Arzan Zarin, Hiroshi Kohsaka, Yuen Ngan Fan, Akinao Nose, Matthias Landgraf, Richard A. Baines
Summary: The Drosophila connectome project aims to map the synaptic connectivity of the fly neural networks in order to better understand their development and function. Although impressive progress has been made in reconstructing specific synapses using electron microscopy data, the data are still underutilized. This study combines patch-clamp recordings with optogenetic stimulation to test the proposed synaptic connectivity in fruit fly larvae and highlights the need for functional validation and appropriate genetic tools in connectome projects.
JOURNAL OF NEUROSCIENCE
(2022)
Review
Agronomy
Rupal Singh Tomar, Sunita Kataria, Anjana Jajoo
Summary: This article explores the recent research on signaling and mechanisms for salt tolerance in plants, focusing on the role of the salt overly sensitive system (SOS) and related antiporters proteins and mitogen-activated protein kinase cascades under salt stress. It also highlights the differential expression of various antioxidative enzymes in C3, C4 and CAM plants.
JOURNAL OF AGRONOMY AND CROP SCIENCE
(2021)
Article
Biochemistry & Molecular Biology
Anne Abot, Steven Fried, Patrice D. Cani, Claude Knauf
Summary: The role of reactive oxygen/nitrogen species as friend or foe messengers in the body is well studied, with their effects depending on concentration in tissues. The intestine, affected by oxidation and inflammation, plays a crucial role in diabetic symptoms. Controlling levels of intestinal reactive oxygen/nitrogen species is a complex balance with potential therapeutic implications.
ANTIOXIDANTS & REDOX SIGNALING
(2022)