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51 minutes ago · But “the million-dollar question,” Pellicer says, is why the fern possesses such a massive genome. There are two primary ways that plants come by extra-large genomes. One is the wholesale copying of the genome inside the nucleus, known as polyploidy. The other is having a bevy of repetitive, noncoding DNA sequences.
1 hour ago · A rare fork fern found in the island nation of New Caledonia has become a world record holder. Scientists have discovered that the tiny plant, which grows in the trunks and branches of trees, has ...
45 minutes ago · The human genome would extend a mere 6-1/2 feet (2 meters). The fern grows primarily on the ground or atop fallen tree trunks in New Caledonia, about 750 miles (1,200 km) east of Australia, and on ...
15 hours ago · If the DNA from one of the fern's cells -- which are just a fraction of a millimetre wide -- were unravelled, it would stretch out to 106 metres (350 feet), scientists said in a new study. Stood upright, the DNA would be taller that than the tower that holds London's famous Big Ben bell. The fern's genome weighed in at a whopping 160 gigabase ...
15 hours ago · The fern's genome weighed in at a whopping 160 gigabase pairs (Gbp), the measurement for DNA length. That is seven percent larger than the previous record holder, the Japanese flowering plant Paris japonica. The human genome is a relatively puny 3.1 Gbp. If our DNA were unravelled, it would be around two metres long.
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15 hours ago · FOX28 Spokane©. A small, seemingly unremarkable fern that only grows on a remote Pacific island was on Friday crowned the Guinness World Record holder for having the largest genome of any organism on Earth. The New Caledonian fern, Tmesipteris oblanceolata, has more than 50 times more DNA packed into the nucleus of its cells than humans do.
15 hours ago · The fern, which grows five to 10 centimetres tall, is only found in New Caledonia, a French Pacific territory which has recently seen unrest. Two members of the research team travelled to the main island, Grand Terre, in 2023 and worked with local scientists for the study, which was published in the journal iScience.
