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Selecting salt-tolerant clones and evaluating genetic variability to obtain parents of new diploid and tetraploid germplasm in rhodesgrass (Chloris gayana K.)
(2013-01)
We evaluated survival percentage under salt stress in 46 diploid and tetraploid clones of rhodesgrass (Chloris gayana K.) with the aim of obtaining salt tolerant clones. Fifteen clones were selected at 600 mM NaCl under ...
Genetic and morphological characterization of Acroceras macrum Stapf
(Wiley, 2015-12)
Acroceras macrum is a warm‐season grass used for pastures, and it has high nutritive value. The scarce genetic and reproductive information about this grass is limiting its breeding for forage. The objective of this research ...
Variation patterns in natural populations of wild potatoes along Quebrada de Inca Cueva, northwestern Argentina
(Springer, 2015-02)
Wild potato species, Solanum infundibuliforme Phil. (ifd) (2n = 2x = 24), S. gourlayi Hawkes (grl) (2n = 4x = 48) and presumed grl–ifd hybrids (2n = 4x = 48) were collected from a narrow gorge known as Quebrada de Inca ...
Sexual modulation in a polyploid Grass : a reproductive contest between environmentally inducible sexual and genetically dominant apomictic pathways
(Springer Nature editor, 2020-05-20)
In systems alternating between sexual and asexual reproduction, sex increases under unfavorable environmental conditions. In plants producing sexual and asexual (apomictic) seeds, studies on the influence of environmental ...
A genetic approach to the species problem in wild potato
(Wiley, 2012-07)
Wild potatoes are native to the Americas, where they present very wide geographical and ecological distribution. Most are diploid, obligate out‐crossers due to a multiallelic gametophytic self‐incompatibility (S) locus ...
Variation patterns in natural populations of wild potatoes along Quebrada de Inca Cueva, northwestern Argentina
(Springer, 2014-06)
Wild potato species, Solanum infundibuliforme Phil. (ifd) (2n = 2x = 24), S. gourlayi Hawkes (grl) (2n = 4x = 48) and presumed grl–ifd hybrids (2n = 4x = 48) were collected from a narrow gorge known as Quebrada de Inca ...
Histone Methyltransferase EZH2 Induces Akt-Dependent Genomic Instability and BRCA1 Inhibition in Breast Cancer
(American Association for Cancer Research, 2011-03)
Increased levels of EZH2, a critical regulator of cellular memory, signal the presence of metastasis and poor outcome in breast cancer patients. High levels of EZH2 are associated with nuclear pleomorphism, lack of estrogen ...
Pollen viability and meiotic irregularities in a collection of Stevia rebaudiana (Bertoni) Bertoni cultivated in Tucumán, ArgentinaViabilidad de polen e irregularidades meióticas en una colección de stevia rebaudiana (Bertoni) Bertoni cultivada en Tucumán, Argentina
(Sociedad Argentina de Genética, 2018-12)
Stevia rebaudiana (Bertoni) Bertoni (2n=2x=22) (Asteraceae family) is a species of economic value due to the presence of steviol glycosides in leaves -mainly stevioside and rebaudioside A- which are non-caloric sugars. In ...
Use of easy measurable phenotypic traits as a complementary approach to evaluate the population structure and diversity in a high heterozygous panel of tetraploid clones and cultivars
(BioMed Central, 2018-01)
Diversity in crops is fundamental for plant breeding efforts. An accurate assessment of genetic diversity, using molecular markers, such as single nucleotide polymorphism (SNP), must be able to reveal the structure of the ...
Segregation for Sexual Seed Production in Paspalum as Directed by Male Gametes of Apomictic Triploid Plants
(Oxford University Press, 2007-09)
Background and Aims: Gametophytic apomixis is regularly associated with polyploidy. It has been hypothesized that apomixis is not present in diploid plants because of a pleiotropic lethal effect associated with monoploid ...