MitoPlantRedoxV1, Main, Exploration, bibRecord, 000119

L-ascorbic acid and the evolution of multicellular eukaryotes.

Identifieur interne : 000119 ( Main/Exploration ); précédent : 000118; suivant : 000120

L-ascorbic acid and the evolution of multicellular eukaryotes.

Auteurs : John Alexander Edgar [Australie]

Source :

Journal of theoretical biology [ 1095-8541 ] ; 2019.

RBID : pubmed:31170405

Descripteurs français

KwdFr :
- Acide ascorbique (métabolisme), Aérobiose (physiologie), Cellules eucaryotes (cytologie), Cellules eucaryotes (métabolisme), Photosynthèse (physiologie), Plantes (métabolisme), Évolution moléculaire (MeSH).
MESH :
- cytologie : Cellules eucaryotes.
- métabolisme : Acide ascorbique, Cellules eucaryotes, Plantes.
- physiologie : Aérobiose, Photosynthèse.
- Évolution moléculaire.

English descriptors

KwdEn :
- Aerobiosis (physiology), Ascorbic Acid (metabolism), Eukaryotic Cells (cytology), Eukaryotic Cells (metabolism), Evolution, Molecular (MeSH), Photosynthesis (physiology), Plants (metabolism).
MESH :
- chemical , metabolism : Ascorbic Acid.
- cytology : Eukaryotic Cells.
- metabolism : Eukaryotic Cells, Plants.
- physiology : Aerobiosis, Photosynthesis.
- Evolution, Molecular.

Abstract

The lifeless earth was formed around 4.5 billion years ago and the first anaerobic unicellular "organisms" may have appeared half a billion years later. Despite subsequent prokaryotes (bacteria and archaea) evolving quite complex biochemistry and some eukaryote characteristics, the transition from unicellular prokaryotes to multicellular, aerobic eukaryotes took a further 2.5 billion years to begin. The key factor or factors that eventually caused this long-delayed transition is a question that has been a focus of considerable research and a topic of discussion over many years. On the basis of the extensive literature available and consideration of some of the characteristics that distinguish multicellular eukaryotes from prokaryotes, it is proposed that, as well as the development of oxygenic photosynthesis producing high levels of environmental oxygen and the formation of vital organelles such as aerobic adenosine triphosphate-generating mitochondria, the concurrent evolution of the L-ascorbic acid redox system should be considered as a key factor that led to the evolution of multicellular eukaryotes and it remains vitally involved in the maintenance of multicellularity and many other eukaryote characteristics.

DOI: 10.1016/j.jtbi.2019.06.001
PubMed: 31170405

Affiliations:

Australie

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Le document en format XML

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<term>Evolution, Molecular (MeSH)</term>
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<term>Plants</term>
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<front><div type="abstract" xml:lang="en">The lifeless earth was formed around 4.5 billion years ago and the first anaerobic unicellular "organisms" may have appeared half a billion years later. Despite subsequent prokaryotes (bacteria and archaea) evolving quite complex biochemistry and some eukaryote characteristics, the transition from unicellular prokaryotes to multicellular, aerobic eukaryotes took a further 2.5 billion years to begin. The key factor or factors that eventually caused this long-delayed transition is a question that has been a focus of considerable research and a topic of discussion over many years. On the basis of the extensive literature available and consideration of some of the characteristics that distinguish multicellular eukaryotes from prokaryotes, it is proposed that, as well as the development of oxygenic photosynthesis producing high levels of environmental oxygen and the formation of vital organelles such as aerobic adenosine triphosphate-generating mitochondria, the concurrent evolution of the L-ascorbic acid redox system should be considered as a key factor that led to the evolution of multicellular eukaryotes and it remains vitally involved in the maintenance of multicellularity and many other eukaryote characteristics.</div>
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<Abstract><AbstractText>The lifeless earth was formed around 4.5 billion years ago and the first anaerobic unicellular "organisms" may have appeared half a billion years later. Despite subsequent prokaryotes (bacteria and archaea) evolving quite complex biochemistry and some eukaryote characteristics, the transition from unicellular prokaryotes to multicellular, aerobic eukaryotes took a further 2.5 billion years to begin. The key factor or factors that eventually caused this long-delayed transition is a question that has been a focus of considerable research and a topic of discussion over many years. On the basis of the extensive literature available and consideration of some of the characteristics that distinguish multicellular eukaryotes from prokaryotes, it is proposed that, as well as the development of oxygenic photosynthesis producing high levels of environmental oxygen and the formation of vital organelles such as aerobic adenosine triphosphate-generating mitochondria, the concurrent evolution of the L-ascorbic acid redox system should be considered as a key factor that led to the evolution of multicellular eukaryotes and it remains vitally involved in the maintenance of multicellularity and many other eukaryote characteristics.</AbstractText>
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L-ascorbic acid and the evolution of multicellular eukaryotes.

L-ascorbic acid and the evolution of multicellular eukaryotes.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki