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Methanogenic archaea are the earliest type of prokaryotic microorganisms from the origin of life on earth.
They are the main contributor to global atmospheric methane emissions and are also the key functional microorganisms for the degradation of organic matter in anoxic environment to produce methane (commonly known as biogas fermentation)
.
The past view believed that this kind of biogas fermentation process requires the mutual metabolism of bacteria and archaea to synergistically complete the degradation of complex organic matter and the production of methane
.
And this archaea can only produce methane through four ways: acetic acid fermentation, CO2 reduction, methyl splitting and oxygen methyl conversion
.
On December 22, 2021, Chenglei of Energy Microbes, Institute of Biogas Science of the Ministry of Agriculture and Rural Affairs, Li Meng of Shenzhen University, and Gunter Wegener of the Max Planck Institute of Marine Microbiology in Germany, etc.
jointly published an article on Nature, Non-syntrophic methanogenic hydrocarbon degradation by an archaeal species, discovered a new type of methanogenic archaea, and confirmed that it can directly oxidize long-chain alkyl hydrocarbons to produce methane, breaking the traditional cognition that methanogenic archaeals can only grow with simple compounds, and expanding their understanding of methanogenesis Cognition of the function of archaeal carbon metabolism
.
The study confirmed that a new type of methanogenic archaea (Ca.
Methanoliparum) can directly oxidize long-chain alkyl hydrocarbons through β-oxidation through stable carbon isotope labeling culture, metagenomic and macrotranscriptome sequencing, and high-resolution mass spectrometry.
, Wood-Ljungdahl (Wood-Ljungdahl) pathway enters the methanogenesis metabolism, without the need for mutual metabolism to complete, thus proposing the fifth methane production pathway, a new type of methanogenic archaea-alkyl nutrition Type methanogenic archaea
.
This research completes the biogeochemical process of the carbon cycle, laying a scientific foundation for the biogasification of residual crude oil from depleted oil reservoirs ("underground biogas project") and the development of green and sustainable low-carbon technologies
.
Schematic diagram of five methane production pathways Original link: https:// Platemaker: Instructions for reprinting on the 11th [Non-original article] The copyright of this article belongs to the author of the article, and personal sharing is welcome.
, Reprinting without permission is prohibited, the author has all legal rights, offenders must be investigated
.
They are the main contributor to global atmospheric methane emissions and are also the key functional microorganisms for the degradation of organic matter in anoxic environment to produce methane (commonly known as biogas fermentation)
.
The past view believed that this kind of biogas fermentation process requires the mutual metabolism of bacteria and archaea to synergistically complete the degradation of complex organic matter and the production of methane
.
And this archaea can only produce methane through four ways: acetic acid fermentation, CO2 reduction, methyl splitting and oxygen methyl conversion
.
On December 22, 2021, Chenglei of Energy Microbes, Institute of Biogas Science of the Ministry of Agriculture and Rural Affairs, Li Meng of Shenzhen University, and Gunter Wegener of the Max Planck Institute of Marine Microbiology in Germany, etc.
jointly published an article on Nature, Non-syntrophic methanogenic hydrocarbon degradation by an archaeal species, discovered a new type of methanogenic archaea, and confirmed that it can directly oxidize long-chain alkyl hydrocarbons to produce methane, breaking the traditional cognition that methanogenic archaeals can only grow with simple compounds, and expanding their understanding of methanogenesis Cognition of the function of archaeal carbon metabolism
.
The study confirmed that a new type of methanogenic archaea (Ca.
Methanoliparum) can directly oxidize long-chain alkyl hydrocarbons through β-oxidation through stable carbon isotope labeling culture, metagenomic and macrotranscriptome sequencing, and high-resolution mass spectrometry.
, Wood-Ljungdahl (Wood-Ljungdahl) pathway enters the methanogenesis metabolism, without the need for mutual metabolism to complete, thus proposing the fifth methane production pathway, a new type of methanogenic archaea-alkyl nutrition Type methanogenic archaea
.
This research completes the biogeochemical process of the carbon cycle, laying a scientific foundation for the biogasification of residual crude oil from depleted oil reservoirs ("underground biogas project") and the development of green and sustainable low-carbon technologies
.
Schematic diagram of five methane production pathways Original link: https:// Platemaker: Instructions for reprinting on the 11th [Non-original article] The copyright of this article belongs to the author of the article, and personal sharing is welcome.
, Reprinting without permission is prohibited, the author has all legal rights, offenders must be investigated
.
