New Sensor Lets Researchers Watch DNA Repair Itself in Real Time

DNA repair systems suppress
mutations, the supposed raw
material for evolution

 

by Jerry Bergman, PhD

Our entire intellectual culture is built on the unproven and unscientific foundation (assumption) of evolution. Evolution in turn rests on three basic claims:

1. Life arose from chemicals by blind random processes.
2. The raw material for evolution is random mutations. (Random mutations supply the necessary variation.)
3. Natural selection propels the evolution of all organisms by selecting mutations that provide a survival advantage for the organism. Although natural selection, Darwin’s own proposed mechanism, may be able to explain the conservation and fine-tuning of existing traits, it cannot account for what is commonly called macroevolution. The postulated source of evolutionary variation is mutations, but since >99 % of mutations are neutral or harmful, each generation accumulates more genetic damage than it removes—an unsustainable trend that modern genomics confirms.

Another major problem for evolution is that life was designed to not evolve—to resist evolutionary change rather than to embrace it.

Darwinism Needs Mutations

The main proposed source of genetic variety is mutations, which provide genetic variety that, in turn, allows improved survivability.[1] Yet cells invest enormous resources in preventing and correcting precisely those mutations. In humans alone, more than a dozen highly sophisticated DNA-repair pathways—mismatch repair, base-excision repair, nucleotide-excision repair, homologous recombination, non-homologous end-joining, etc.—detect and correct well over 99.9 % of the spontaneous base changes and damage events that occur every cell cycle.

Most of this damage uses the complementary DNA strand as a template.[2] Some organisms even have highly specialized DNA repair mechanisms tailored to their own unique environments, such as extremophiles, life living in extremely cold or hot environments. Phylogenetic analyses of DNA repair proteins sometimes produce trees that conflict with other molecular data. These persistent incongruences are far more naturally explained by separate origin—i.e., creation—of the repair systems than by vertical descent from a single common ancestor—presenting a significant challenge to the standard evolutionary theory.[3]

Although thousands of DNA damage events occur in human cells daily, DNA repair systems are so effective that fewer than one in 1,000 of these initial lesions escapes correction to become a permanent mutation. Fewer than one in a thousand initial accidental base changes results in a permanent, uncorrected mutation. This astonishing fidelity underscores the repair machinery’s vital role: when it falters, the consequences are dire, often leading to disease and death.[4] A stark example is xeroderma pigmentosum disease, a rare genetic disorder caused by defects in the nucleotide excision repair mechanism.[5]  The result is a disease that can often be fatal.

DNA repair poses an intractable dilemma for evolutionary theory. On one hand, natural selection must favor these systems: without them, mutational damage would accumulate so rapidly that no species—especially large, long-lived ones like humans—could avoid extinction. On the other hand, the very efficiency of repair is lethal to the mechanism itself: by correcting >99.9 % of all mutations, these systems starve the population of the raw genetic variation that neo-Darwinism claims is indispensable for macroevolutionary change. In short, evolution supposedly needs both high fidelity (to stay alive) and high error rates (to evolve)—but it cannot have both at the same time. The observed solution is a suite of exquisitely engineered repair mechanisms whose primary effect is to slow or prevent genetic deterioration, not to fuel open-ended progressive evolution.

The Illogic of Evolution

Evolution would select for these repair systems because, without it, mutational damage would soon overwhelm the organism and cause the extinction of all life.[6] Yet, it would also select against them because they reduce by 99.9 percent the available mutations required to produce genetic variety. DNA repair poses an intractable dilemma for evolutionary theory. On one hand, natural selection must favor these systems: without them, mutational damage would accumulate so rapidly that no species—especially large, long-lived ones like humans—could avoid extinction. On the other hand, the very efficiency of repair is lethal to the mechanism itself: by correcting >99.9 % of all mutations, these systems starve the population of the raw genetic variation that neo-Darwinism claims is indispensable for macroevolutionary change. In short, evolution supposedly needs both high fidelity (to stay alive) and high error rates (to evolve)—but it cannot have both at the same time.

Differential survival and excision enzymes are but a few of the many DNA repair systems that were designed primarily to slow or prevent genetic deterioration in individuals and populations—preserving species integrity and dramatically lowering extinction risk rather than fueling open-ended evolutionary change.

Faulty DNA repair rapidly leads to an accumulation of errors that cause serious problems such as uncontrolled cell proliferation (cancer), developmental disorders and other genetic diseases. In addition to these repair systems, cells have other sophisticated mechanisms to repair damage resulting from sources including sunlight, chemicals, and routine cellular activity. Problems arise when these repair systems are mutated or overwhelmed, leading to genomic instability.[7] In the absence or impairment of these functional repair and checkpoint mechanisms, no multicellular organism can long survive, let alone reproduce viable offspring.[8] In other words, without them, all life will go extinct.  This creates a profound dilemma for evolutionary theory:

• Without ultra-efficient DNA repair from the very beginning, mutational overload would have caused extinction almost immediately.
• Yet the universal common ancestor, and every supposed transitional form along the way, would have needed these same sophisticated, multi-layered repair systems fully operational from the outset—systems far too complex to have arisen gradually by the very mutations they suppress.

The Importance of the Repair Systems

Now we come to the discovery of a new sensor that lets researchers watch DNA repair itself in living cells and organisms in real time. The payoff? A front-row seat to the precise moments this exquisitely engineered machinery fails—giving researchers the roadmap they need to repair the repair system itself and dramatically reduce cancer and heritable genetic damage.

The sensor functions by attaching a fluorescent tag to the protein domain that binds to markers on the damaged DNA. In the past, we were limited to snapshots here and there of the repair process, but this new sensor provides a continuous “movie” of the entire repair process from damage to repair.[9]

From screening new cancer therapies to decoding the genomic basis of aging and hereditary disease, this real-time imaging tool promises to accelerate virtually every field that depends on understanding DNA repair.[10] As the researchers explain:

The fluorescent tag gently and reversibly binds to a marker that appears on damaged DNA, without interfering with the repair work. This allows researchers to visualize where, when, and how DNA damage occurs and is repaired. The technique can also be used to identify which proteins are involved in repairing the damaged site.[11] While this fluorescent tagging technology has been widely used in biology for decades, even in whole organisms like C. elegans, this probe builds on that legacy by outpacing traditional tools like antibody-based assays, which often require cell fixation and yield static snapshots. Expect it to supplant those methods in many labs, delivering faster, more dynamic, and artifact-free insights.[12]

Summary

Nucleotide excision repair is the main system used by mammals to repair DNA damage by replacing it with undamaged DNA. This system repairs DNA damage caused by many agents, including UV (ultraviolet) light, environmental mutagens, and even some cancer chemotherapeutic adducts. In other words, it is expressly designed to suppress mutations—the supposed raw material and driving force of evolution. Research on persons exposed to radiation, such as from detonated atomic bombs, indicates that, after several generations, the repair system and natural selection reduce the mutation load below the very high level that was previously expected. Research on atomic-bomb survivors and their descendants reveals that radiation-induced mutation loads, initially feared to be catastrophic, are rapidly reduced across generations, often returning close to background levels. This demonstrates that repair systems, working with natural selection, actively enforce long-term genetic stability rather than facilitate open-ended evolutionary advancement.

Without these highly complex cellular and DNA repair systems, genomic DNA would rapidly accumulate lethal damage, leading to cell death, tissue breakdown, and ultimately the death of the organism. Evolutionists are therefore forced to assume that—by some unexplained miracle—this catastrophic decay did not occur in the long ages before the repair systems supposedly evolved. In reality though, life could only persist once the moment all these sophisticated, interdependent repair pathways were present and fully operational as an integrated whole. The new real-time imaging technique discussed earlier will only deepen our understanding of these mechanisms—and almost certainly reveal them to be even more intricate and elegantly designed than we already thought.

References

[1] Volkova, Nadezda, et al., “Mutational signatures are jointly shaped by DNA damage and repair,” Nature Communications 11(2169); https://www.nature.com/articles/s41467-020-15912, 2020.

[2] Cooper, Geoffrey, “DNA Repair,” in The Cell: A Molecular Approach, 2nd edition, Sinauer Associate, Sunderland, MA; https://www.ncbi.nlm.nih.gov/books/NBK9900/, 2000.

[3] Grasso, Otangelo, Beyond Evolution. The Origin of Species by Design,  Author/AI collaborative effort, Aracaju, Brazil, 2024.

[4] Wong, Carissa, “Bowhead whales may resist cancer thanks to superior DNA repair ability,” New Scientist; ;  https://www.newscientist.com/article/2374622-bowhead-whales-may-resist-cancer-thanks-to-superior-dna-repair-ability/, 22 May 2023.

^[5] Lucero, Renee, and David Horowitz, Xeroderma pigmentosum; https://www.ncbi.nlm.nih.gov/books/NBK551563/, 2023.

[6] Kratz, et al., “A multi-scale map of protein assemblies in the DNA damage response,” Cell Systems; https:// doi.org/10.1016/j.cels.2023.04.007, 2023.

[7] Hakem, Razqallah, “DNA-damage repair: The good, the bad, and the ugly,” The EMBO Journal  27(4):589–605, doi: 10.1038/emboj.2008.15; https://pmc.ncbi.nlm.nih.gov/articles/PMC2262034/, 20 February 2008.

[8] Hakem, 2008.

[9] “Scientists capture stunning real-time images of DNA damage and repair,” https://www.sciencedaily.com/releases/2025/11/251123085554.htm#google_vignette, 23 November 2025.

[10] Lovk, Lisa, and Robert Egan, “Watching DNA repair in real time with a live-cell sensor,” https://phys.org/news/2025-11-dna-real-cell-sensor.html, 2025.

[11] Lovk and Egan, 2025.

[12] Prisco, Giulio “New sensor allows real-time view of DNA repair,” https://magazine.mindplex.ai/post/new-sensor-allows-real-time-view-of-dna-repair, 2025.

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Dr. Jerry Bergman has taught biology, genetics, chemistry, biochemistry, anthropology, geology, and microbiology for over 40 years at several colleges and universities including Bowling Green State University, Medical College of Ohio where he was a research associate in experimental pathology, and The University of Toledo. He is a graduate of the Medical College of Ohio, Wayne State University in Detroit, the University of Toledo, and Bowling Green State University. He has over 1,900 publications in 14 languages and 40 books and monographs. His books and textbooks that include chapters that he authored are in over 1,800 college libraries in 27 countries. So far over 80,000 copies of the 60 books and monographs that he has authored or co-authored are in print. For more articles by Dr Bergman, see his Author Profile.