RNA-triggered cell killing with CRISPR-Cas12a2
최근 발견된 CRISPR-Cas12a2는 특정 RNA 인식 시 무차별적인 이중가닥 DNA 절단 활성을 발휘하여 효모와 인간 세포에서 목표 RNA를 발현하는 세포를 선택적으로 제거할 수 있다. Cas12a2는 표적 전사체에 의해 활성화되며, 오프타겟 활성화 없이 세포 사멸을 유도한다. 이를 활용해 인유두종바이러스 감염 세포, 유전자 편집 실패 세포, KRAS의 종양 유발 점 돌연변이 세포를 선택적으로 제거하는 데 성공했다. 기존 Cas9, Cas12a, Cas13 기반 방법들이 진핵세포에서 세포 사멸을 효과적으로 유도하지 못한 한계를 극복하는 새로운 CRISPR 도구로 주목된다.
🦠 Could we outsmart antibiotic resistance by turning bacteria against themselves?
🔗 Rational Targeting and gRNA Design for Enhancing Quorum Quenching in Pseudomonas aeruginosa PAO1. Computational and Structural Biotechnology Journal (CSBJ). DOI: https://doi.org/10.34133/csbj.0089
📚 CSBJ - A Science Partner Journal: https://spj.science.org/journal/csbj
#AntimicrobialResistance #AMR #CRISPR #GeneEditing #SyntheticBiology #SystemsBiology #Microbiology #Biotechnology #DrugResistance #QuorumSensing #Biofilms #Genomics
✂️ Gene Editing - Apr 2026
• Reni-cel boosts neutrophil engraftment and fetal hemoglobin in β-thalassemia
• Risto-cel shows durable HbF expression and HbS reduction in sickle cell disease
• Electromagnetic field switch enables precise in vivo gene control
• Amino acid lipids enable efficient pulmonary CRISPR delivery
BACTERIAL EDITING TOOLBOX GAINS TRACTION ACROSS SPECIES
Scientists created 'recombitrons' to edit bacterial DNA. This new tool works in 15 different bacteria types, offering a general way to change genes.
#BacterialEditing, #Recombitrons, #GeneEditing, #Microbiology, #ScienceNews
https://newsletter.tf/recombitron-tool-edits-dna-in-15-bacterial-species/
A new DNA editing tool called 'recombitrons' can now change the genes of 15 different types of bacteria, making genetic work easier for scientists.
#BacterialEditing, #Recombitrons, #GeneEditing, #Microbiology, #ScienceNews
https://newsletter.tf/recombitron-tool-edits-dna-in-15-bacterial-species/

The U.S. Food and Drug Administration today approved Otarmeni (lunsotogene parvec-cwha), the first-ever dual adeno-associated virus (AAV) vector-based gene therapy.
Two US Gene-Editing Startups for Embryos Shut Down Amid Funding and Legal Challenges
📰 Original title: Designer Baby Companies Are in Turmoil
🤖 IA: It's clickbait ⚠️
👥 Usuarios: It's clickbait ⚠️
View full AI summary: https://killbait.com/en/two-us-gene-editing-startups-for-embryos-shut-down-amid-funding-and-legal-challenges/?redirpost=55b2b9f0-c7f6-4c97-b9de-1e4f1d39f73b
Two US Gene-Editing Startups for Embryos Shut Down Amid Funding and Legal Challenges
📰 Original title: Designer Baby Companies Are in Turmoil
🤖 IA: It's clickbait ⚠️
👥 Usuarios: It's clickbait ⚠️
View full AI summary: https://killbait.com/en/two-us-gene-editing-startups-for-embryos-shut-down-amid-funding-and-legal-challenges/?redirpost=55b2b9f0-c7f6-4c97-b9de-1e4f1d39f73b
Designer Baby Companies Are in Turmoil
https://fed.brid.gy/r/https://www.wired.com/story/designer-baby-companies-are-in-turmoil/