The DNA bottleneck: how synthetic manufacturing could unlock the next wave of gene editing therapies

By Kevin Robinson | Published: 2-Jun-2026

As gene-editing therapies evolve towards increasingly complex applications, 4basebio CEO Amy Walker (AW) tells Dr Kevin Robinson (KSR) how advances in scalable enzymatic DNA manufacturing could help overcome critical supply bottlenecks and accelerate the development of next-generation genetic medicines

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Gene editing has advanced at a remarkable pace, promising new treatments for genetic diseases, cancer and other complex conditions.

Yet as therapeutic approaches become more sophisticated, manufacturing the DNA components needed to develop and deliver these therapies has emerged as a critical challenge.

Traditional DNA production methods can struggle to meet the demands of next-generation applications that require longer, higher-quality genetic constructs at scale.

In response, synthetic DNA specialist 4basebio has launched a new high-performance enzymatic single-stranded DNA (ssDNA) platform capable of producing constructs up to 10,000 nucleotides long. 

In this Q&A, CEO Amy Walker (pictured) discusses why DNA manufacturing has become one of the industry's most important bottlenecks, how cell-free enzymatic production could accelerate innovation in gene editing, where biopharma is placing its bets on emerging therapies and what these advances could mean for patients with rare and paediatric diseases. 

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