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Heterochronic reproductive developmental processes between diploid and tetraploid cytotypes of Paspalum rufum
(Oxford University Press, 2019-05)
BACKGROUND AND AIMS: Apomixis is an asexual reproductive mode via seeds that generate maternal clonal progenies. Although apomixis in grasses is mainly expressed at the polyploid level, some natural diploid genotypes of ...
Genetic diversity in sexual diploid and apomictic tetraploid populations of Paspalum notatum situated in sympatry or allopatry
(Springer Wien, 2004-03)
Paspalum notatum is a subtropical grass widely distributed in the temperate areas of America. Diploids are sexual while polyploids give rise to clonal seeds through aposporous apomixis. RAPD markers were used to analyze ...
Testing the effects of heterozygosity on growth rate plasticity in the seaweed Gracilaria chilensis (Rhodophyta)
(Wiley, 2018-06)
Heterozygosity has been positively associated with fitness and population survival. However, the relationship between heterozygosity and adaptive phenotypic plasticity (i.e., plasticity which results in fitness homeostasis ...
Trypanosoma cruzi populations : more clonal than sexual
(Parasitology Today, 1987-06)
The ancient guestion of trypanosome sexuality has recently been reactivated in view of
important observations in the African species Trypanosoma brucie, in which Mendelian
sexuality has been proposed as o working hypothesis ...
Trypanosoma cruzi populations : more clonal than sexual
(Parasitology Today, 1987-06)
The ancient guestion of trypanosome sexuality has recently been reactivated in view of
important observations in the African species Trypanosoma brucie, in which Mendelian
sexuality has been proposed as o working hypothesis ...
Southern expansion of the invasive ant Wasmannia auropunctata within its native range and its relation with clonality and human activity
(Public Library of Science, 2018-11)
The little fire ant Wasmannia auropunctata, native to the Neotropics, has become a serious pest worldwide over the past 100 years. It was originally distributed from Mexico to northern Argentina and new evidence suggests ...
Genetic and embryological evidences of apomixis at the diploid level in Paspalum rufum support recurrent auto-polyploidization in the species
(Springer, 2008-09)
Gametophytic apomixis is an asexual mode of reproduction by seeds. This trait is present in several plant families and is strongly associated with polyploidy. Paspalum rufum is a forage grass with sexual self-incompatible ...