ReviewCurrent issues in molecular biology2026
Prokaryotic Molecular Defense Mechanisms and Their Potential Applications in Cancer Biology: A Special Consideration for Cyanobacterial Systems.
Review in Current issues in molecular biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
4 authors.
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Abstract
Cyanobacteria harbor sophisticated molecular defense systems that have evolved over billions of years to protect against viral invasion and foreign genetic elements. These ancient photosynthetic organisms possess a diverse array of restriction-modification (R-M) systems and CRISPR-Cas arrays that present challenges for genetic engineering, but also offer unique opportunities for cancer-targeted biotechnological applications. These systems exist in prokaryotes mainly as defense mechanisms but they are currently used in molecular applications as gene editing tools. Moreover, latest developments in nucleases such as zinc finger nucleases (ZFNs), TALENs (transcription-activator-like effector nucleases) are discussed. A comprehensive genomic analysis of 126 cyanobacterial species found 89% encode multiple R-M systems, averaging 3.2 systems per genome, creating formidable barriers to transformation but also providing molecular machinery that could be harnessed for precise recognition and targeting of cancer cells. This review critically examines the dual nature of these defense systems, their ecological functions, and the emerging strategies to translate their molecular precision into advanced anticancer therapeutics. Hence, the review main objectives are to explore the recent understanding of these mechanisms and to exploit the knowledge gained in opening new avenues for cancer-focused targeted interventions, while acknowledging the significant challenges to translate these systems from laboratory curiosities to practical applications.
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