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Genome-Wide A → G and C → T Mutations Induced by Functional TadA Variants in .
ACS Synth Biol
January 2025
Laboratory of Synthetic Microbiology, School of Chemical Engineering & Technology, Tianjin University, Tianjin 300072, P. R. China.
The fusion expression of deoxyribonucleic acid (DNA) replication-related proteins with nucleotide deaminase enzymes promotes random mutations in bacterial genomes, thereby increasing genetic diversity among the population. Most previous studies have focused on cytosine deaminase, which produces only C → T mutations, significantly limiting the variety of mutation types. In this study, we developed a fusion expression system by combining DnaG (RNA primase) with adenine deaminase TadA-8e (DnaG-TadA) in , which is capable of rapidly introducing A → G mutations into the genome, resulting in a 664-fold increase in terms of mutation rate.
View Article and Find Full Text PDFOmics-based Identification of the Broader Effects of 2-hydroxyisoflavanone Synthase Gene Editing on a Gene Regulatory Network Beyond Isoflavonoid Loss in Soybean Hairy Roots.
Plant Cell Physiol
December 2024
RIKEN Center for Sustainable Resource Science, Yokohama 230-0045, Japan.
Soybean (Glycine max) is a leguminous crop cultivated worldwide that accumulates high levels of isoflavones. Although previous research has often focused on increasing the soybean isoflavone content because of the estrogen-like activity of dietary soy in humans, the rapidly increasing demand for soybean as a plant-based meat substitute has raised concerns about excessive isoflavone intake. Therefore, the production of isoflavone-free soybean has been anticipated.
View Article and Find Full Text PDFPublic Health.
Alzheimers Dement
December 2024
University of California, San Francisco, San Francisco, CA, USA.
Background: Growing evidence reports an association between sleep-disordered breathing (SDB) and cognitive impairment, including mild cognitive impairment (MCI) and dementia. However, there is limited research on the link between cognitive impairment and in-home measures of SDB and how this association may differ by race, ethnicity, and sex.
Method: We studied 822 individuals who were enrolled in the community-based Health and Aging Brain Study-Health Disparities (HABS-HD)-Dormir study.
CRISPR/Cas System: A Powerful Strategy to Improve Monogenic Human Diseases as Therapeutic Delivery; Current Applications and Challenges.
Curr Gene Ther
January 2025
Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, 1968917313, Tehran, Iran.
The 5,000 to 8,000 monogenic diseases are inherited disorders leading to mutations in a single gene. These diseases usually appear in childhood and sometimes lead to morbidity or premature death. Although treatments for such diseases exist, gene therapy is considered an effective and targeted method and has been used in clinics for monogenic diseases since 1989.
View Article and Find Full Text PDFStargardt disease is a currently untreatable, inherited neurodegenerative disease that leads to macular degeneration and blindness due to loss-of-function mutations in the ABCA4 gene. We have designed a dual adeno-associated viral vector encoding a split-intein adenine base editor to correct the most common mutation in ABCA4 (c.5882G>A, p.
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