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Sindrome de Turner: variaciones en la constitución cromosómica y sus efectos en la expresión fenotípicaTurner Syndrome: variations in the chromosomal constitution and its effects on the phenotypic expression
(Asociación de Profesionales del Hospital de Niños Ricardo Gutiérrez, 2019-01)
El Síndrome de Turner es un desorden cromosómico causado por haploinsuficiencia completa o parcial de uno de los cromosomas sexuales. Incidencia 1: 2500 recién nacidas vivas. Clínicamente las pacientes presentan talla baja, ...
Análisis de las relaciones evolutivas entre poblaciones diploides del complejo Turnera sidoides L. (Turneraceae)
(2017-12-21)
El objetivo general de esta tesis es analizar los mecanismos de evolución cromosómica ocurridos durante la diversificación del complejo T. sidoides a nivel diploide y de inferir las relaciones evolutivas entre sus subespecies ...
Phylogenetic reconstruction of the genus Tephrocactus (Cactaceae) based on molecular, morphological, and cytogenetical data
(International Association for Plant Taxonomy, 2019-08)
Tephrocactus comprises species mainly endemic to Argentina. Molecular phylogenetic analyses of all proposed species of the genus as well as classical (chromosome number, karyotype) and molecular cytogenetical techniques ...
First record of Glyphonycteris sylvestris, Thomas1896 (Chiroptera: Phyllostomidae: Glyphonycterinae) for Argentina with comments on its karyotype
(Unidad de Zoología y Ecología Animal, Instituto Argentino de Investigación de Las Zonas Aridas, Cricyt, Conicet, 2019-12)
Glyphonycteris is poorly known genus of bats that inhabit lowlands and forested mountains of Central and South America. This genus comprises three nominal species, with G. sylvestris being the most widely distributed species ...
Cytogenetic trends in two families of the neotropical catfishes : Heptapteridae and Pseudopimelodidae (siluriformes)
(Mary Ann Liebert, Inc., 2018-09-05)
Several neotropical Siluriformes groups suffered important taxonomic revisions based on the evaluation of morphological and molecular characteristics that allow the construction of new phylogenetic hypothesis. In the present ...
Primates sin frontera: una visión desde la citogenética evolutiva
(Sociedad Argentina de Genética, 2010-12)
Estudiar las características de variabilidad genética, organización social y biogeografía, permite nuevas interpretaciones del proceso especiogénico. En Primates en particular, en los 80, se desarrollan los primeros estudios ...
Whole-genome duplications in South American desert rodents (Octodontidae)
(Wiley Blackwell Publishing, Inc, 2004-08)
The discovery of tetraploidy in the red viscacha rat, Tympanoctomys barrerae (4 n = 102) has emphasized the evolutionary role of genome duplication in mammals. The tetraploid status of this species is corroborated here by ...
Epichromatin is conserved in Toxoplasma gondii and labels the exterior parasite chromatin throughout the cell cycle
(Cambridge University Press, 2013-05)
Toxoplasma gondii is an Apicomplexan intracellular protozoan parasite responsible for Toxoplasmosis, a disease with considerable medical and economic impact worldwide. T. gondii cells never lose the nuclear envelope and ...
Cytogenetic characterization of Hoplias malabaricus (Bloch, 1794) from the Ctalamochita River (Córdoba, Argentina) : first evidence for southernmost populations of this species complex and comments on its biogeography
(Pensoft, 2017-01-09)
Hoplias malabaricus (Bloch, 1794), a predatory freshwater fish with a wide distribution throughout South America, represents a species complex with seven well characterized karyomorphs at the cytogenetic level. Although ...