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Combined Analysis of the Leaf Metabolome, Lipidome, and Candidate Gene Function: Insights into Genotypic Variation in Phosphorus Utilization Efficiency in .
J Agric Food Chem
January 2025
School of Tropical Agriculture and Forestry & Sanya Institute Breeding and Multiplication, Hainan University, Haikou/Sanya 570228/572025, China.
Stylo () exhibits excellent tolerance to low-phosphate (Pi) availability, but the underlying mechanisms responsible for improving the phosphorus (P) utilization efficiency (PUE) remain unclear. This study employed metabolomics, lipidomics, and gene expression analyses to investigate the differential responses to low-Pi stress between the high-PUE genotype CF047827 and the cultivar Reyan No. 2.
View Article and Find Full Text PDFShark chondroitin sulfate gold nanoparticles: A biocompatible apoptotic agent for osteosarcoma.
Int J Biol Macromol
December 2024
College of Material Science and Engineering, Huaqiao University, Engineering Research Center of Environment-Friendly Functional Materials, Ministry of Education, Xiamen 361021, PR China. Electronic address:
Osteosarcoma is a highly aggressive tumor that originates in the bone and often infiltrates nearby bone cells. It is the most prevalent type of primary bone cancer among the various bone malignancies. Traditional cancer treatment methods such as surgery, chemotherapy, immunotherapy, and radiotherapy have had restricted success.
View Article and Find Full Text PDFBacteriorhodopsin of purple membrane reverses anisotropy outside the pH range of proton pumping based on logic gate realization.
Sci Rep
November 2024
Department of Biophysics, Faculty of Science, Cairo University, Giza, 12613, Egypt.
Article Synopsis
- The bacteriorhodopsin from purple membranes is a light-sensing protein crucial for ion transport and has potential applications in optogenetics and bioelectronics due to its unique properties.
- This study investigates how bacteriorhodopsin's electric response changes with pH levels (from 3 to 10), particularly focusing on the electric anisotropy at extreme pH values and the resulting structural alterations.
- Findings indicate that the acidic and alkaline forms of bacteriorhodopsin exhibit significant changes in dielectric anisotropy, suggesting they could be useful in the development of advanced bioelectronic devices.
Investigating MerR's Selectivity: The Crosstalk Between Cadmium and Copper Under Elevated Stress Conditions.
Biomolecules
November 2024
Institute for Integrative Biology of the Cell (I2BC), Université Paris-Saclay, CEA, CNRS, 91198 Gif-sur-Yvette, France.
Bacteria respond to metal pollution through sensors that control the uptake and the detoxification machineries. Specificity in metal recognition is therefore a prerequisite for triggering the appropriate response, particularly when facing a mixture of metals. In response to Cu, the purple bacterium induces the efflux Cu-ATPase CopA by the Cu regulator CopR.
View Article and Find Full Text PDFComparative thermo- and piezostability study of photosynthetic core complexes containing bacteriochlorophyll a or b.
Biochim Biophys Acta Bioenerg
January 2025
Institute of Physics, University of Tartu, W. Ostwaldi 1, 50411 Tartu, Estonia; Estonian Academy of Sciences, Kohtu 6, 10130 Tallinn, Estonia. Electronic address:
The resilience of biological systems to fluctuating environmental conditions is a crucial evolutionary advantage. In this study, we examine the thermo- and piezo-stability of the LH1-RC pigment-protein complex, the simplest photosynthetic unit, in three species of phototropic purple bacteria, each containing only this core complex. Among these species, Blastochloris viridis and Blastochloris tepida utilize bacteriochlorophyll b as the main light-harvesting pigment, while Rhodospirillum rubrum relies on bacteriochlorophyll a.
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