Limited Mutation-Rate Variation Within the Paramecium aurelia Species Complex [PDF]
Mutation is one of the most fundamental evolutionary forces. Studying variation in the mutation rate within and among closely-related species can help reveal mechanisms of genome divergence, but such variation is unstudied in the vast majority of ...
Hongan Long +2 more
doaj +3 more sources
Massive colonization of protein-coding exons by selfish genetic elements in Paramecium germline genomes [PDF]
Ciliates are unicellular eukaryotes with both a germline genome and a somatic genome in the same cytoplasm. The somatic macronucleus (MAC), responsible for gene expression, is not sexually transmitted but develops from a copy of the germline micronucleus
Diamantis Sellis +2 more
exaly +3 more sources
Paramecium (Ciliophora) is an ideal model organism to study the biogeography of protists. However, many regions of the world, such as Central America, are still neglected in understanding Paramecium diversity.
Alexey Potekhin, Rosaura Mayén-Estrada
doaj +2 more sources
Genetic Diversity in the Paramecium aurelia Species Complex [PDF]
Francesco Catania, François Wurmser
exaly +3 more sources
Species-Specific Duplication of Surface Antigen Genes in Paramecium [PDF]
Paramecium is a free-living ciliate that undergoes antigenic variation and still the functions of these variable surface antigen coats in this non-pathogenic ciliate remain elusive.
Marcello Pirritano +3 more
doaj +2 more sources
The Paramecium Germline Genome Provides a Niche for Intragenic Parasitic DNA: Evolutionary Dynamics of Internal Eliminated Sequences [PDF]
Insertions of parasitic DNA within coding sequences are usually deleterious and are generally counter-selected during evolution. Thanks to nuclear dimorphism, ciliates provide unique models to study the fate of such insertions.
Olivier Arnaiz +2 more
exaly +2 more sources
Measurements of the swimming speeds of motile microorganisms using object tracking and their correlation with water pollution and rheology levels [PDF]
Self-propelled microscopic organisms are ubiquitous in water. Such organisms’ motility depends on hydrodynamic and physical factors related to the rheology of the surrounding media and biological factors depending on the organisms’ state and well-being ...
Ashaa Preyadharishini Shunmugam +2 more
doaj +2 more sources
Complex evolutionary patterns within the tubulin gene family of ciliates, unicellular eukaryotes with diverse microtubular structures [PDF]
Background Tubulins are major components of the eukaryotic cytoskeletons that are crucial in many cellular processes. Ciliated protists comprise one of the oldest eukaryotic lineages possessing cilia over their cell surface and assembling many diverse ...
Hua Su +6 more
doaj +2 more sources
Uptake of plastic microbeads by ciliate Paramecium aurelia [PDF]
Microplastics (MPs) are small fraction of plastics that are less than 5 mm in length. They are bountiful and widespread pollutants in the aquatic environment.
Fyda, Janusz, Nugroho, Failasuf Aulia
core +2 more sources
Evolutionary Plasticity of Mating-Type Determination Mechanisms in Paramecium aurelia Sibling Species. [PDF]
The Paramecium aurelia complex, a group of morphologically similar but sexually incompatible sibling species, is a unique example of the evolutionary plasticity of mating-type systems. Each species has two mating types, O (Odd) and E (Even).
Sawka-Gądek N +10 more
europepmc +2 more sources

