Claim · model-written summary
Five nested chromosome insertions produced a new n = 15 base chromosome number in Spartina subsection alterniflori.
SpartinaVerbatim
e1“five nested chromosome insertions (NCI), a major descending disploidy mechanism that resulted in a new base chromosome number (n = 15) in section Spartina subsection alterniflori”
Title
Morgane Milin; Oscar Lima; Lin-Feng Li; et al. PLoS ONE 2026. doi:10.1371/journal.pone.0343073
Other claims from this paper (5)
- Observation Sections Sporobolus and Spartina diverged 13.2-26.0 million years ago.
- Observation The two WGDs in section Spartina occurred independently of the WGD in section Sporobolus.
- Observation Ancestral grass chromosome 12 appeared especially prone to structural modifications across Chloridoideae.
- Mechanism A rearrangement of ancestral chromosomes 11 and 12 contributed to chromosome number divergence between S. alterniflorus and S. maritimus.
- Mechanism Nested chromosome insertions were identified as a prevalent diploidization mechanism in Chloridoideae.