Results 11 to 20 of about 14,667 (203)

Eukaryogenesis From FECA to LECA: Radical Steps Along the Way. [PDF]

open access: yesBioessays
How did the last eukaryotic common ancestor (LECA) population evolve? Recent evidence shows an Asgard archaeon‐like organism acquiring a bacterium, the future mitochondrion, going from symbiosis to endosymbiosis. I postulate that almost all salient LECA characteristics could have resulted from the ensuing enhanced ATP generation and internal reactive ...
Speijer D.
europepmc   +2 more sources

The Microbiome Within a Microbe: Rethinking Blastocystis Biology. [PDF]

open access: yesJ Eukaryot Microbiol
ABSTRACT Blastocystis spp., one of the most prevalent microeukaryotes in the human gut, has long puzzled researchers with its ambiguous role in health and disease. Decades‐old microscopy studies reported bacterial‐ and viral‐like particles within Blastocystis spp. cells, but these findings have been mainly overlooked.
Shaw D, Gentekaki E, Tsaousis AD.
europepmc   +2 more sources

Endosymbiosis [PDF]

open access: yesCurrent Biology, 2012
The phenomenon of endosymbiosis, or one organism living within another, has deeply impacted the evolution of life and continues to shape the ecology of countless species. Traditionally, biologists have viewed evolution as a largely bifurcating pattern, reflecting mutations and other changes in existing genetic information and the occasional speciation ...
openaire   +2 more sources

Evolutionary cell biology: Functional insight from “Endless forms most beautiful” [PDF]

open access: yes, 2015
In animal and fungal model organisms, the complexities of cell biology have been analyzed in exquisite detail and much is known about how these organisms function at the cellular level.
Dacks, Joel B.   +4 more
core   +1 more source

Primary endosymbiosis: have cyanobacteria and Chlamydiae ever been roommates?

open access: yesActa Societatis Botanicorum Poloniae, 2014
Eukaryotes acquired the ability to process photosynthesis by engulfing a cyanobacterium and transforming it into a genuine organelle called the plastid. This event, named primary endosymbiosis, occurred once more than a billion years ago, and allowed the
Philippe Deschamps
doaj   +1 more source

Algal Diversity in Paramecium bursaria: Species Identification, Detection of Choricystis parasitica, and Assessment of the Interaction Specificity

open access: yesDiversity, 2020
The ‘green’ ciliate Paramecium bursaria lives in mutualistic symbiosis with green algae belonging to the species Chlorella variabilis or Micractinium conductrix. We analysed the diversity of algal endosymbionts and their P. bursaria hosts in nine strains
Felicitas E. Flemming   +3 more
doaj   +1 more source

Relevance of sex-differenced analyses in bioenergetics and nutritional studies

open access: yesFrontiers in Nutrition, 2022
Sex-biased analyses still remain as one of the biggest limitations to obtain universal conclusions. In biomedicine, the majority of experimental analyses and a significant amount of patient-derived cohort studies exclusively included males.
Glòria Garrabou   +7 more
doaj   +1 more source

tRNA functional signatures classify plastids as late-branching cyanobacteria. [PDF]

open access: yes, 2019
BackgroundEukaryotes acquired the trait of oxygenic photosynthesis through endosymbiosis of the cyanobacterial progenitor of plastid organelles. Despite recent advances in the phylogenomics of Cyanobacteria, the phylogenetic root of plastids remains ...
Amrine, Katherine Ch   +3 more
core   +1 more source

The Basic Genetic Toolkit to Move in with your Photosynthetic Partner

open access: yesFrontiers in Ecology and Evolution, 2015
The origin of photosynthetic organelles via endosymbiosis more than 1 Gya ago was a major detonator of eukaryotic diversification. The evolution of a stable endosymbiotic relationship between eukaryotic cells and photosynthetic cyanobacteria involved ...
Adrian eReyes-Prieto
doaj   +1 more source

Surfing the vegetal pole in a small population: extracellular vertical transmission of an 'intracellular' deep-sea clam symbiont [PDF]

open access: yesRoyal Society Open Science, 2016
Symbiont transmission is a key event for understanding the processes underlying symbiotic associations and their evolution. However, our understanding of the mechanisms of symbiont transmission remains still fragmentary.
Tetsuro Ikuta   +13 more
doaj   +1 more source

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