Results 231 to 240 of about 212,665 (269)
Advanced Materials, EarlyView.Ultrathin lithium metal anodes (≤15 µm) offer a promising route to high‐energy‐density batteries due to their high capacity and low potential. This review presents design principles for ultrathin Li, evaluates fabrication strategies, and discusses challenges in liquid and solid‐state cells.
Cheng Wang +9 more
wiley +1 more source
Weaving Intelligence: Thermally Drawn Multimaterial Fibers Toward AI‐Enabled Smart Textiles
Advanced Materials, EarlyView.Thermally drawn multimaterial fibers are rapidly advancing as intelligent structural units for next‐generation smart textiles. Integrating multimaterial architectures with neuromorphic and spiking‐neural‐network principles enables fabrics that can sense, compute, and adapt autonomously.
Vuong Dinh Trung +9 more
wiley +1 more source
Ratiometric Mycotoxin Detection in Living Plants With Dual‐Emissive Nanosensors
Advanced Materials, EarlyView.A minimally invasive microneedle patch integrates carbon dot‐embedded metal–organic frameworks as nanosensors to detect a key fungal toxin in living plants. The nanosensor produces a ratiometric fluorescence signal that enables early, non‐destructive diagnosis of fungal infection before visible symptoms, offering a new biomaterials‐based strategy for ...
Yuliang Li +9 more
wiley +1 more source
The stringent response and Mycobacterium tuberculosis pathogenesis [PDF]
Pathogens and Disease, 2018 During infection, the host restrains Mycobacterium tuberculosis (Mtb) from proliferating by imposing an arsenal of stresses. Despite this onslaught of attacks, Mtb is able to persist for the lifetime of the host, indicating that this pathogen has ...
Dennis X Zhu, Christina L Stallings
exaly +4 more sources
(p)ppGpp and the Stringent Response: An Emerging Threat to Antibiotic Therapy
ACS Infectious Diseases, 2019 In 1969, Cashel and Gallant first observed the presence of (p)ppGpp-the signaling molecule of the stringent response-in starved bacterial cells. Fifty years later, (p)ppGpp and the stringent response have emerged as essential master regulators of not ...
Joanne K Hobbs, Alisdair B Boraston
exaly +2 more sources
Bacterial lifestyle shapes stringent response activation [PDF]
Trends in Microbiology, 2013 Bacteria inhabit enormously diverse niches and have a correspondingly large array of regulatory mechanisms to adapt to often inhospitable and variable environments. The stringent response (SR) allows bacteria to quickly reprogram transcription in response to changes in nutrient availability. Although the proteins controlling this response are conserved
Cara C Boutté, Sean Crosson
exaly +3 more sources
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Stringent Response in Bacteria and Plants with Infection
Phytopathology®, 2021Stringent response (SR), a primary stress reaction in bacteria and plant chloroplasts, is a molecular switch that provides operational stress-induced reprogramming of transcription under conditions of abiotic and biotic stress. Because the infection is a stressful situation for both partners (the host plant and the pathogen), we analyzed the ...
Olga Petrova +3 more
openaire +2 more sources
Metabolic stringent response in intracellular stages of Leishmania
Current Opinion in Microbiology, 2021Leishmania are unusual in being able to survive long-term in the mature phagolysosome compartment of macrophages and other phagocytic cells in their mammalian hosts. Key to their survival in this niche, Leishmania amastigotes switch to a slow growth state and activate a stringent metabolic response.
Eleanor C Saunders +3 more
openaire +2 more sources
Yeast has a true stringent response
Nature, 1978IN bacteria there is a coordinate regulation of the synthesis of ribosomal RNA and ribosomal protein1. This is most evident from studies of the rates of synthesis of ribosomal components as a function of the growth rate of the cell2,3. Another example is the ‘stringent response’, in which cells deprived of an essential amino acid shut down the ...
J R, Warner, C, Gorenstein
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2014
The (p)ppGpp nucleotides act as global transcriptional regulators by modulating directly or indirectly RNA polymerase (RNAP) activity. The major consequences are the immediate arrest of ribosome biogenesis and cell growth and the activation of stress survival genes. This chapter presents two points that are presented in two separate main sections.
Emmanuelle Bouveret, Aurélia Battesti
openaire +1 more source
The (p)ppGpp nucleotides act as global transcriptional regulators by modulating directly or indirectly RNA polymerase (RNAP) activity. The major consequences are the immediate arrest of ribosome biogenesis and cell growth and the activation of stress survival genes. This chapter presents two points that are presented in two separate main sections.
Emmanuelle Bouveret, Aurélia Battesti
openaire +1 more source