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THE ESTABLISHMENT OF MITOCHONDRIA: PARACOCCUS AND RHODOPSEUDOMONAS
- Source :
- Annals of the New York Academy of Sciences. 361:330-340
- Publication Year :
- 1981
- Publisher :
- Wiley, 1981.
-
Abstract
- Many aerobic bacteria (both facultative and obligate) possess a number of those biochemical features of mitochondria which are concerned with energy metabolism. However, only restricted number, notably Paracoccus denitrificans and Rhodopseudomonas spheroides, have the majority of these features. The theory of endosymbiosis proposes that a primitive eukaryote took up bacteria to yield mitochondria. The present-day Paracoccus then resembles the ancestral bacterium in many respects the primitive amoeba, Pelomyxa palustris, which lacks mitochondria but contains a permanent population of unique symbiotic bacteria, has many of the characteristics of a present-day transitional form. The evolution of mitochondria from endosymbiotic bacteria would involve their integration with the host cell both biochemically and structurally: a number of the intermediate steps are discussed. Attention is drawn to the existence in some ciliates of hydrogenosomes, which function as anaerobic mitochondria.
- Subjects :
- education.field_of_study
food.ingredient
biology
Endosymbiosis
Aerobic bacteria
Hydrogenosome
General Neuroscience
Population
Cytochrome c Group
Paracoccus
Rhodobacter sphaeroides
Rhodopseudomonas
biology.organism_classification
Biological Evolution
General Biochemistry, Genetics and Molecular Biology
Mitochondria
Electron Transport
food
Biochemistry
History and Philosophy of Science
Eukaryote
Paracoccus denitrificans
education
Symbiosis
Subjects
Details
- ISSN :
- 17496632 and 00778923
- Volume :
- 361
- Database :
- OpenAIRE
- Journal :
- Annals of the New York Academy of Sciences
- Accession number :
- edsair.doi.dedup.....06c2b80660b938b7dd402de1b349608e