The putative human tumor suppressor gene FHIT (fragile histidine triad) (M. Ohta et al., Cell 84:587-597, 1996) encodes a protein behaving in vitro as a dinucleoside 5',5"'-P1,P3-triphosphate (Ap3A) hydrolase. In this report, we show that the Saccharomyces cerevisiae APH1 gene product, which resembles human Fhit protein, also hydrolyzes dinucleoside 5',5'-polyphosphates, with Ap3A being the preferred substrate. Accordingly, disruption of the APH1 gene produced viable S. cerevisiae cells containing reduced Ap3A-hydrolyzing activity and a 30-fold-elevated Ap3N concentration.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC107174 | PMC |
| http://dx.doi.org/10.1128/JB.180.9.2345-2349.1998 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Response mechanism of ethanol-tolerant Saccharomyces cerevisiae strain ES-42 to increased ethanol during continuous ethanol fermentation.
Microb Cell Fact
January 2025
College of Architecture and Environment, Sichuan University, Chengdu, 610065, Sichuan, China.
Background: Continuous fermentation offers advantages in improving production efficiency and reducing costs, making it highly competitive for industrial ethanol production. A key requirement for Saccharomyces cerevisiae strains used in this process is their tolerance to high ethanol concentrations, which enables them to adapt to continuous fermentation conditions. To explore how yeast cells respond to varying levels of ethanol stress during fermentation, a two-month continuous fermentation was conducted.
View Article and Find Full Text PDFRational design, synthesis, in vitro, and in-silico studies of pyrazole‑phthalazine hybrids as new α‑glucosidase inhibitors.
Sci Rep
January 2025
Department of Chemistry, Iran University of Science and Technology (IUST), Tehran, 1684613114, Iran.
This paper describes the design, development, synthesis, in silico, and in vitro evaluation of fourteen novel heterocycle hybrids as inhibitors of the α-glucosidase enzyme. The primary aim of this study was to explore the potential of novel pyrazole-phthalazine hybrids as selective inhibitors of α-glucosidase, an enzyme involved in carbohydrate metabolism, which plays a key role in the management of type 2 diabetes. The rationale for this study stems from the need for new, more effective inhibitors of α-glucosidase with improved efficacy and safety profiles compared to currently available therapies like Acarbose.
View Article and Find Full Text PDFPhase separation of a microtubule plus-end tracking protein into a fluid fractal network.
Nat Commun
January 2025
PSI Center for Life Sciences, Villigen PSI, Switzerland.
Microtubule plus-end tracking proteins (+TIPs) participate in nearly all microtubule-based cellular processes and have recently been proposed to function as liquid condensates. However, their formation and internal organization remain poorly understood. Here, we have study the phase separation of Bik1, a CLIP-170 family member and key +TIP involved in budding yeast cell division.
View Article and Find Full Text PDFAn mTOR inhibitor discovery system using drug-sensitized yeast.
Geroscience
January 2025
Department of Biomedical Sciences, Western University of Health Sciences, Lebanon, OR, 97355, USA.
Inhibition of the target of rapamycin (TOR/mTOR) protein kinase by the drug rapamycin extends lifespan and health span across diverse species. However, rapamycin has potential off-target and side effects that warrant the discovery of additional TOR inhibitors. TOR was initially discovered in Saccharomyces cerevisiae (yeast) which contains two TOR paralogs, TOR1 and TOR2.
View Article and Find Full Text PDFModular Metabolic Engineering of for Enhanced Production of Ursolic Acid.
J Agric Food Chem
January 2025
State Key Laboratory of Synthetic Biology, School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Jinnan District, Tianjin 300350, China.
Ursolic acid, a plant-derived pentacyclic triterpenoid with anti-inflammatory, antioxidant, and other bioactive properties, holds significant potential for use in nutritional supplements and drug development. However, its extraction from medicinal plants is inefficient due to low yield and dependence on seasonality and geography. Herein, we use modular metabolic engineering to enhance ursolic acid production in by dividing the biosynthetic pathway into five modules.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!