Tag Archive for 'Polyploidy'

Chen et al. constructed a comprehensive genomic dataset of 470 flowering plant species and dated 132 ancient whole-genome duplication (WGD) events that are non-randomly distributed, revealing a clustering around pivotal periods of environmental upheaval and extinction. Image credit: Chen et al., doi: 10.1016/j.cell.2026.04.008.

Duplicated Genomes Helped Flowering Plants Survive End-Cretaceous Mass Extinction

May 12, 2026 by News Staff

A new analysis of 470 flowering plant species finds that whole-genome duplication surged precisely during Earth’s violent environmental crises, suggesting...

Single filament of Ca. Thiomargarita magnifica. Image credit: Jean-Marie Volland.

Newly-Discovered Species of Bacterium is Visible to Naked Eye

Jun 24, 2022 by Natali Anderson

Cells of most bacterial species are around 2 micrometers in length, with some of the largest specimens reaching 750 micrometers. The newly-discovered species,...

Poseidon’s ribbon weed (Posidonia australis) meadow in Shark Bay, Western Australia. Image credit: Rachel Austin, University of Western Australia.

Single Clone of Poseidon’s Ribbon Weed is Largest Plant in World

Jun 1, 2022 by News Staff

A single plant or ‘clone’ of the Poseidon’s ribbon weed (Posidonia australis), a species of seagrass that occurs in the southern half of Australia,...