​Fork Fern Breaks Genome Size Record

A new research revealed in May 2024 that Tmesipteris oblanceolata, a species of fork fern, boasts a genome 7% larger than the previous record holder, the Japanese plant Paris japonica, and over 50 times larger than the human genome.

Key Points

  • Genome Size Record: Tmesipteris oblanceolata's genome, measured in base pairs, is unprecedentedly large, spanning nearly 350 feet when stretched out — taller than iconic landmarks like the Statue of Liberty and Big Ben.
  • Habitat and Description: Found in New Caledonia and neighbouring islands, this unassuming fern grows on the ground or on fallen tree trunks, typically reaching heights of 10-15 ....
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Ecology & Environment