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University of Auckland: Oldest case of conserved gene order discovered


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Genes are encoded in DNA, and closely related species will often have the same genes in the same order in the genome. However, over millions of years of evolution, this shared gene order gets lost as the DNA gets broken, repaired and reshuffled.
More rarely, the gene order is “conserved” ¬- retained even between distant evolutionary relatives – if the genes encode for proteins that cooperate closely.
Previously, the oldest known cases of conserved gene order traced back to the Last Universal Common Ancestor of life, known as LUCA. LUCA was a population of cells billions of years ago that was ancestral to all cellular life. Its existence is inferred from genes that are shared across all major branches of the tree of life. ....

Nick Matzke , Matt Baker , Angela Lin , University Of New South Wales , University Of Auckland , Last Universal Common Ancestor , New South Wales , Micaella Stone , மேட் ரொட்டி சுடுபவர் , ஏஞ்சலா லின் , பல்கலைக்கழகம் ஆஃப் புதியது தெற்கு வேல்ஸ் , பல்கலைக்கழகம் ஆஃப் ஆக்லாந்து , கடந்த உலகளாவிய பொதுவானது மூதாதையர் , புதியது தெற்கு வேல்ஸ் ,