Correlations among chromosome numbers, nuclear DNA contents and climatic variables of South American Cactaceae in a phylogenetic context

ML Las Peñas, K Bauk, N Rossi… - Biological Journal of …, 2024‏ - academic.oup.com
Cactaceae are American members of arid and semi-arid regions and are also present in
tropical forests and temperate climates. The taxonomy is complex owing to large …

Taxonomic and cytogenetic studies in Opuntia ser. Armatae (Cactaceae)

ML Las Peñas, L Oakley, NC Moreno, G Bernardello - Botany, 2017‏ - cdnsciencepub.com
Opuntia series Armatae is evaluated considering morphological (vegetative, floral, and
carpological) and cytogenetical (diploid number, presence of heterochromatin, and physical …

Phylogenetic reconstruction of the genus Tephrocactus (Cactaceae) based on molecular, morphological, and cytogenetical data

ML Las Peñas, R Kiesling, G Bernardello - Taxon, 2019‏ - Wiley Online Library
Tephrocactus comprises species mainly endemic to Argentina. Molecular phylogenetic
analyses of all proposed species of the genus as well as classical (chromosome number …

Karyotypes, heterochromatin, and physical map** of 18S-26S rDNA in Cactaceae

ML Las Peñas, JD Urdampilleta… - … and Genome Research, 2009‏ - karger.com
Karyotype analyses in members of the four Cactaceae subfamilies were performed.
Numbers and karyotype formula obtained were: Pereskioideae= Pereskia aculeata (2n= 22; …

Classical and molecular cytogenetics and DNA content in Maihuenia and Pereskia (Cactaceae)

ML Las Peñas, JD Urdampilleta, B López-Carro… - Plant Systematics and …, 2014‏ - Springer
We studied cacti species of the subfamilies Pereskioideae (five species of the southern
clade) and both species of Maihuenioideae using molecular cytogenetic techniques and …

Genetic variables, population features and reproductive success of Gymnocalycium monvillei (Cactaceae) along an altitudinal gradient

K Bauk, DE Gurvich, Z Liber, Z Šatović… - Botanical Journal of …, 2023‏ - academic.oup.com
Altitudinal gradients in mountain environments impose selection pressures that could result
in marked heterogeneity in genetic characteristics, population features and reproductive …

Molecular cytogenetic insights into the evolution of the epiphytic genus Lepismium (Cactaceae) and related genera

NC Moreno, LD Amarilla, ML Las Peñas… - Botanical Journal of …, 2015‏ - academic.oup.com
Abstract Changes in chromosome structure and number play an important role in plant
evolution. This was investigated in the Neotropical epiphytic cacti: all Lepismium spp. and …

[HTML][HTML] Karyotype characterization and evolution of chromosome number in Cactaceae with special emphasis on subfamily Cactoideae

JP Castro, AP Moraes, MW Chase, A Santos… - Acta Botanica …, 2019‏ - SciELO Brasil
Cactaceae species are karyotypically well-known with x= 11 and chromosome number
variation due mainly to polyploidization. However, both assumptions are based on …

Data reassessment in a phylogenetic context gives insight into chromosome evolution in the giant genus Solanum (Solanaceae)

F Chiarini, F Sazatornil… - Systematics and …, 2018‏ - Taylor & Francis
Chromosome data are fundamental in evolution. However, there has been no attempt to
synthesize and evaluate the significance of such information from a phylogenetic …

Karyotype, heterochromatin, and physical map** of 5S and 18-5.8-26S rDNA genes in Setiechinopsis (Cactaceae), an Argentine endemic genus

ML Las Peñas, R Kiesling, G Bernardello - Haseltonia, 2011‏ - BioOne
Setiechinopsis is a monotypic Argentine endemic genus (S. mirabilis) of the tribe
Trichocereeae. It is one of the most difficult cacti to find and grows in lowlands and brackish …