The recent unveiling of Romulus and Remus, large canines with pale fur resembling dire wolves, has ignited a scientific debate. While heralded by some as "living pieces of prehistory," researchers like Angela Perri from Durham University urge caution. The animals, created by Colossal Biosciences using genetic editing, carry edits derived from ancient dire wolf DNA. Colossal Biosciences extracted cells from gray wolves, modified certain genes, then implanted the resulting embryos into dog surrogates. The dire wolf, a carnivore that vanished over 10,000 years ago, may be less related to modern gray wolves than previously thought, according to a 2021 study suggesting a common ancestor nearly 5.7 million years ago. Some research even hints that dire wolves were closer to giant coyotes than gray wolves. The question is whether modifying a few genes can truly replicate a species that diverged so long ago. Critics argue the project is more spectacle than conservation, questioning whether 20 modified genes are enough to recreate key dire wolf traits. One scientist questioned if tinkering with a few genetic differences in a chimpanzee could ever make it human. Paleogenomic data suggests the real dire wolf was genetically distinct, belonging to an extinct American lineage far removed from modern canids. Physical similarities between gray wolves and dire wolves may stem from convergent evolution, not close ancestry. Beyond taxonomy, ethical concerns arise regarding creating new animals in the lab. Cloning and genetic editing can lead to unpredictable results. Even with no miscarriages reported, concerns remain about scaling the process and the quality of life for these animals, whose lives will be monitored and shaped by humans. The real dire wolf thrived in ancient environments that no longer exist, raising concerns about releasing them into today's ecosystems. Some conservationists prioritize saving existing species facing urgent threats. Colossal Biosciences, valued at over ten billion dollars, sees these methods as tools for protecting endangered populations. Skeptics acknowledge that advanced cloning or gene editing methods can sometimes boost endangered species by broadening the gene pool. Scientists like Angela Perri emphasize the need for deeper DNA analysis and a realistic look at ecological dynamics before declaring a true "resurrection." "We are an evolutionary force at this point," stated Beth Shapiro, Colossal's chief science officer, pointing to the importance of innovative genetics.
Dire Wolf "Resurrection" Sparks Debate: Are Genetically Edited Pups the Real Deal?
Edited by: Katia Remezova Cath
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