Tag

Ferns

All articles tagged with #ferns

Tiny Fern Boasts World's Largest Genome
science2 years ago

Tiny Fern Boasts World's Largest Genome

Researchers have discovered that the fern Tmesipteris oblanceolata from New Caledonia has the largest genome of any known organism, containing over 50 times more DNA than humans. This finding, published in the iScience journal, surpasses the previous record held by Paris japonica and has significant implications for understanding plant biology, evolution, and adaptation in the face of climate change and biodiversity loss. The study involved an international team and highlights the complexity and diversity of plant genomes.

"Unveiling Ferns' Sweet Defense Mechanism Evolution"
science2 years ago

"Unveiling Ferns' Sweet Defense Mechanism Evolution"

Recent research led by Jacob Suissa reveals that ferns and flowering plants independently evolved nectaries to attract ant bodyguards during the Cretaceous period, demonstrating convergent evolution. This study highlights the complex relationships between plants and insects and underscores the adaptability of ferns to ecological challenges.

"Unusual Roots: The Zombie Leaves of a Fern"
science2 years ago

"Unusual Roots: The Zombie Leaves of a Fern"

In the rainforests of Panama, scientists discovered a tree fern species, Cyathea rojasiana, that transforms the decaying tissue of its leaves into a new source of nutrients by sprouting unusual roots from the remnants of its dead or dying fronds. This unique process allows the plant to avoid rotting and provides it with a new way to anchor in the soil and obtain nutrients, making it the first known plant species to exhibit this behavior.

"Ferns: Nature's Crop-Saving Insecticide"
agriculture2 years ago

"Ferns: Nature's Crop-Saving Insecticide"

A study has discovered novel insecticidal proteins in ferns, which could potentially be used for plant-made protein pest control in crop plants. These proteins, designated as IPD113, were found in ferns like Pteris species and were effective against major lepidopteran pests of maize and soybeans. The proteins showed a surprising similarity to certain insecticidal proteins derived from bacteria, even though they are derived from plants. This discovery offers an alternative mode of action and a potential solution to pest resistance to existing insecticidal methods.