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Unbiased screening approaches are powerful tools enabling identification of novel players in biological processes. Chemical genetic screening refers to the technique of using a reporter response, such as expression of luciferase driven by a promoter of interest, to discover small molecules that affect a given process when applied to plants. These chemicals then act as tools for identification of regulatory components that could not otherwise be detected by forward genetic screens due to gene family redundancy or mutant lethality. This protocol describes a chemical genetic screen using seedlings, which has led to recognition of novel players in the plant general stress response.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4950980 | PMC |
http://dx.doi.org/10.21769/bioprotoc.1519 | DOI Listing |
FEMS Yeast Res
September 2025
Department of Bioengineering, School of Life Science Engineering, College of Interdisciplinary Science and Technology, University of Tehran, Tehran, Iran.
The growing challenges posed by global warming and the demand for sustainable food and feed resources underscore the need for robust microbial platforms in bioprocessing. Thermotolerant yeasts have emerged as promising candidates due to their ability to thrive at elevated temperatures and other industrially relevant stresses. This review examines the industrial potential of thermotolerant yeasts in the context of climate change, emphasizing how their resilience can lead to more energy-efficient and cost-effective bioprocesses.
View Article and Find Full Text PDFInvest Ophthalmol Vis Sci
September 2025
Department of Ophthalmology, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China.
Purpose: To explore the causal links between antihypertension drugs usage and age-related macular degeneration (AMD).
Methods: Multiple genetic analyses, including summary data-based Mendelian randomization (SMR), traditional MR, and colocalization analysis, were used to explore the causal associations between antihypertension drugs and AMD. Clinical data from the UK Biobank and the National Health and Nutrition Examination Survey (NHANES) was applied to refined risk assessment of specific antihypertensive medications in the context of AMD development.
J Virol
September 2025
Genome Regulation and Cell Signaling, Ellen and Ronald Caplan Cancer Center, The Wistar Institute, Philadelphia, Pennsylvania, USA.
Unlabelled: Adenoviruses are double-stranded DNA viruses widely used as platforms for vaccines, oncolytics, and gene delivery. However, tools for studying adenoviral gene expression in real time during infection remain limited. Here, we describe a set of fluorescent and bioluminescent reporter viruses built using the modular AdenoBuilder reverse genetics system and informed by high-resolution maps of Ad5 transcription.
View Article and Find Full Text PDFElife
September 2025
Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, United States.
The microglial surface protein Triggering Receptor Expressed on Myeloid Cells 2 (TREM2) plays a critical role in mediating brain homeostasis and inflammatory responses in Alzheimer's disease (AD). The soluble form of TREM2 (sTREM2) exhibits neuroprotective effects in AD, though the underlying mechanisms remain elusive. Moreover, differences in ligand binding between TREM2 and sTREM2, which have major implications for their roles in AD pathology, remain unexplained.
View Article and Find Full Text PDFACS Synth Biol
September 2025
ARC Centre of Excellence in Synthetic Biology, Queensland University of Technology, Brisbane, QLD 4000, Australia.
Fluorescent proteins (FPs) are commonly used as reporters to examine intracellular genetic, molecular, and biochemical status. Flow cytometry is a powerful technique for accurate quantification of single-cell fluorescent levels. Here, we characterize green, red, and blue FPs for use in yeast .
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