Claim · model-written summary
Alstroemeria genomes had a relatively low overall proportion of repetitive DNA, up to about 68%, consistent with slow repeat removal.
- Taxon
- Alstroemeria
Alstroemeriae0 - Outcome
- overall proportion of repetitive DNAe0
- Value
- ~68%e0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Alstroemeria genomes exhibited a relatively low overall proportion of repetitive DNA (up to ~68%)”
Title
Jéssica Nascimento; Mariela Sader; Oscar Toro-Núñez; et al. Planta 2026. doi:10.1007/s00425-026-04933-z
Other claims from this paper (7)
- Observation LTR Ty3/gypsy Tekay retrotransposons were the predominant repetitive elements in all analyzed Alstroemeria species, accounting for 30.63-39.91% of the genome.
- Mechanism LTR Ty3/gypsy Tekay retrotransposons largely explained genome size variation among the analyzed Alstroemeria species.
- Observation Satellite DNA represented 0.23-3.42% of the Alstroemeria genome.
- Observation Most satellite families were shared between the Brazilian and Chilean Alstroemeria species.
- Observation Marked differences in satellite abundance and chromosomal distribution were observed between the Brazilian and Chilean lineages of Alstroemeria.
- Observation The authors conclude that giant genome evolution in Alstroemeria is characterized by long-term conservation of karyotype structure and transposable element composition.
- Association The authors conclude that satellite DNA is a key dynamic component associated with heterochromatin diversification and chromosomal differentiation between the Chilean and Brazilian lineages.