Claim · model-written summary
Signal sizes and numbers also coincided with CMA+/DAPI– bands.
- Outcome
- sizes and numbers of signalse0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Verbatim
e0“the same occurred with the sizes and numbers of signals for each species.”
t0“Cactaceae”
Title
Karyotypes, heterochromatin, and physical mapping of 18S-26S rDNA in Cactaceae
M.L. Las Peñas; J.D. Urdampilleta; G. Bernardello; et al. Cytogenetic and Genome Research 2009. doi:10.1159/000200090
Other claims from this paper (16)
- Observation Pereskiaaculeata had a diploid chromosome number of 22 and karyotype 10 m + 1 sm.
- Observation Maihuenia patagonica had diploid and tetraploid cytotypes.
- Observation Cumulopuntia recurvata had 44 chromosomes and karyotype 20 m + 2 sm.
- Observation Acanthocalycium spiniflorum had 22 chromosomes and karyotype 10 m + 1 sm.
- Observation Echinopsis tubiflora had 22 chromosomes and karyotype 10 m + 1 sm.
- Observation Trichocereus candicans had 22 chromosomes, all metacentric.
- Observation Chromosomes averaged 2.3 μm in length.
- Observation Diploids and tetraploid C. recurvata had one terminal satellite, whereas other tetraploids had four satellited chromosomes.
- Observation Karyotypes were symmetrical.
- Observation No CMA–/DAPI+ bands were detected.
- Observation CMA+/DAPI– bands associated with NOR were consistently detected.
- Observation Pericentromeric heterochromatin occurred in three specified taxa or cytotypes.
- Observation The 18S-26S rDNA sites coincided with CMA+/DAPI– bands in all species.
- Method / resource The chromosome technique was applied to cacti metaphase chromosomes for the first time.
- Observation NOR-bearing pair number 1 may be homeologous across examined species.
- Observation The 18S-26S loci appear highly conserved in Cactaceae.