2020
DOI: 10.1134/s0006297920120056
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Expansion of the “Sodium World” through Evolutionary Time and Taxonomic Space

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Cited by 5 publications
(5 citation statements)
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“…mtr genes coding for Na + ‐translocating methyl‐H4‐MPT:coenzyme M methyltransferase were predicted in the ANME‐1‐like (anaerobic methane oxidizing archaea) genome of this study, suggesting that a Na + pump was associated with the methanogen for energy conservation. A Na + ‐based bioenergetics and multiple mechanisms for cytoplasmic pH homeostasis maintenance are regarded as a dominant manner, the so‐called ‘sodium world’, in early life form and even before (Kozlova et al ., 2020). Our genomics analyses indicated the persistence of the ‘sodium world’ in the Manleluag serpentinizing ecosystem.…”
Section: Resultsmentioning
confidence: 99%
“…mtr genes coding for Na + ‐translocating methyl‐H4‐MPT:coenzyme M methyltransferase were predicted in the ANME‐1‐like (anaerobic methane oxidizing archaea) genome of this study, suggesting that a Na + pump was associated with the methanogen for energy conservation. A Na + ‐based bioenergetics and multiple mechanisms for cytoplasmic pH homeostasis maintenance are regarded as a dominant manner, the so‐called ‘sodium world’, in early life form and even before (Kozlova et al ., 2020). Our genomics analyses indicated the persistence of the ‘sodium world’ in the Manleluag serpentinizing ecosystem.…”
Section: Resultsmentioning
confidence: 99%
“…In fact, Na + energetics is considered to be the most ancient form of bioenergetics. Genomic analyses suggest that it is still prevalent throughout the tree of life today 18,30 .…”
Section: Discussionmentioning
confidence: 99%
“…As the first membranes were permeable to protons, the ion gradient was based on the impermeability of the membrane to sodium 18,29 . Accordingly, it has recently been shown that sodium-based bioenergetics is widespread throughout the tree of life (based on genome sampling for Na + -specific ATPases 30 ). Nevertheless, Na + energetics has not been much discussed in the cyanobacterial phyla, but see its role in cyanobacterial dormancy 20 .…”
Section: Sodium Energetics In Cyanobacteriamentioning
confidence: 99%
“…Besides being the first non-oxidoreductase “directly coupled” H + pump, mPPase provides a unique solution for associated Na + pumping. Such transport activity is found among several other energy-converting membrane enzymes and proteins, including but not limited to decarboxylases, ATPases, NADH:quinone and ferredoxin:NAD + oxidoreductases, methyltransferases, and rhodopsin [ 33 , 58 ]. Two of them, rotary Na + -ATP synthase и Na + -rhodopsin, resemble Na + -PPase in exhibiting dual Na + and H + transport specificity under certain conditions but exhibit significant differences.…”
Section: Comparison With Other Na + Pumpsmentioning
confidence: 99%