ReviewFrontiers in plant science2026
Next-generation CRISPR systems and advanced delivery paradigms for precision crop improvement: a comparative case study in sugar beet (
Review in Frontiers in plant science, 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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14 authors.
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Abstract
Novel, climate-resilient, high-yielding crop varieties are urgently needed to address food security concerns for the world's growing population. Genome editing techniques have enabled the development of new crop varieties more cheaply, easily, and quickly than conventional breeding methods. A key concern with transgenic crops is producing transgene-free varieties. Transgene-free crops can be developed using new plant breeding technologies and can play a pivotal role in sustainable agriculture. Several techniques can bypass traditional methods for producing edited plants by using hypercompact nucleases and Leaper technology. This review describes various techniques for producing transgene-free crops using combinations of synthetic biology and advanced genome editing tools, such as genome writers, which insert large DNA payloads, and their roles in improving crop genetics. Further, we discuss how these cutting-edge CRISPR techniques can enable the controlled removal of transgenes. The established protocols for tissue culture remain a major hurdle to producing genome-edited plants. The review also outlines several methods that can be used to bypass this laborious tissue culture step, using the recalcitrant crop sugar beet (
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