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MetaCyc Taxon: Methanobacteria

Synonyms: Archaeobacteria

Rank: class

Taxonomic lineage: cellular organisms , Archaea , Euryarchaeota

Direct sub-taxa of Methanobacteria: environmental samples , Methanobacteriales

Unification Links: NCBI-Taxonomy:183925


Pathways present in Methanobacteria or one of its sub-taxa (34).
These pathways were observed experimentally in this taxon or one of its sub-taxa:
adenosylcobalamin biosynthesis I (early cobalt insertion) ,
adenosylcobalamin salvage from cobinamide II ,
archaetidylinositol biosynthesis ,
archaetidylserine and archaetidylethanolamine biosynthesis ,
carbon tetrachloride degradation I ,
carbon tetrachloride degradation II ,
CDP-archaeol biosynthesis ,
CO2 fixation into oxaloacetate (anaplerotic) ,
cob(II)yrinate a,c-diamide biosynthesis I (early cobalt insertion) ,
coenzyme B/coenzyme M regeneration ,
coenzyme M biosynthesis I ,
factor 420 biosynthesis ,
factor 420 polyglutamylation ,
factor 430 biosynthesis ,
geranyl diphosphate biosynthesis ,
geranylgeranyl diphosphate biosynthesis ,
gluconeogenesis II (Methanobacterium thermoautotrophicum) ,
glutaminyl-tRNAgln biosynthesis via transamidation ,
incomplete reductive TCA cycle ,
L-arginine biosynthesis II (acetyl cycle) ,
L-isoleucine biosynthesis II ,
L-isoleucine biosynthesis IV ,
L-isoleucine biosynthesis V ,
L-lysine biosynthesis VI ,
mannosylglycerate biosynthesis I ,
Methanobacterium thermoautotrophicum biosynthetic metabolism ,
methanofuran biosynthesis ,
methanogenesis from H2 and CO2 ,
methyl-coenzyme M reduction to methane ,
mevalonate pathway II (archaea) ,
reductive acetyl coenzyme A pathway ,
superpathway of methanogenesis ,
tetrahydromethanopterin biosynthesis ,
trans, trans-farnesyl diphosphate biosynthesis

Additional pathways which may be present in Methanobacteria and all its sub-taxa (267)
These pathways were inferred using their expected taxonomic range:
[2Fe-2S] iron-sulfur cluster biosynthesis ,
2-oxobutanoate degradation II ,
2-oxoglutarate decarboxylation to succinyl-CoA ,
2-oxoisovalerate decarboxylation to isobutanoyl-CoA ,
3-dehydroquinate biosynthesis II (archaea) ,
3-phenylpropanoate degradation ,
4-amino-2-methyl-5-diphosphomethylpyrimidine biosynthesis ,
4-aminobenzoate biosynthesis ,
4-hydroxybenzoate biosynthesis II (microbes) ,
4-hydroxyphenylpyruvate biosynthesis ,
5-aminoimidazole ribonucleotide biosynthesis II ,
6-hydroxymethyl-dihydropterin diphosphate biosynthesis II (archaea) ,
7-(3-amino-3-carboxypropyl)-wyosine biosynthesis ,
acetate conversion to acetyl-CoA ,
acetate formation from acetyl-CoA I ,
acetate formation from acetyl-CoA II ,
acyl-ACP thioesterase pathway ,
acyl carrier protein metabolism I ,
acyl-CoA hydrolysis ,
adenine and adenosine salvage I ,
adenine and adenosine salvage III ,
adenine and adenosine salvage IV ,
adenine and adenosine salvage VI ,
adenosine 5'-phosphoramidate biosynthesis ,
adenosine deoxyribonucleotides de novo biosynthesis ,
adenosine nucleotides degradation II ,
adenosine nucleotides degradation IV ,
adenosine ribonucleotides de novo biosynthesis ,
adenosylcobalamin biosynthesis from cobyrinate a,c-diamide I ,
adenosylcobalamin biosynthesis from cobyrinate a,c-diamide II ,
adenosylcobalamin biosynthesis II (late cobalt incorporation) ,
adenosylcobalamin salvage from cobalamin ,
ammonia oxidation I (aerobic) ,
archaeosine biosynthesis ,
arsenate detoxification II (glutaredoxin) ,
arsenite oxidation II (respiratory) ,
base-degraded thiamin salvage ,
β-alanine biosynthesis III ,
carbon disulfide oxidation I (anaerobic) ,
chitin degradation I (archaea) ,
chlorogenic acid degradation ,
chorismate biosynthesis from 3-dehydroquinate ,
chorismate biosynthesis II (archaea) ,
cis-calamenene related sesquiterpenoids biosynthesis ,
CMP phosphorylation ,
cob(II)yrinate a,c-diamide biosynthesis II (late cobalt incorporation) ,
coenzyme A biosynthesis I ,
coenzyme B biosynthesis ,
costunolide biosynthesis ,
dammara-20,24-diene biosynthesis ,
demethylmenaquinol-8 biosynthesis II ,
D-galactonate degradation ,
dimethyl sulfoxide degradation ,
di-myo-inositol phosphate biosynthesis ,
diphthamide biosynthesis (archaea) ,
D-malate degradation ,
D-mannose degradation ,
D-serine metabolism ,
dTDP-L-rhamnose biosynthesis I ,
epoxysqualene biosynthesis ,
ethanol degradation I ,
ethanol degradation II ,
fatty acid β-oxidation III (unsaturated, odd number) ,
flavin biosynthesis II (archaea) ,
folate polyglutamylation ,
folate transformations I ,
fructose degradation ,
GDP-glucose biosynthesis ,
GDP-mannose biosynthesis ,
gentisate degradation I ,
gluconeogenesis I ,
glucose and glucose-1-phosphate degradation ,
glucosylglycerate biosynthesis I ,
glycerol degradation I ,
glycine betaine biosynthesis IV (from glycine) ,
glycine betaine biosynthesis V (from glycine) ,
glycine betaine degradation I ,
glycine biosynthesis III ,
glycine cleavage ,
glycogen degradation I (bacterial) ,
glycolysis I (from glucose 6-phosphate) ,
glycolysis II (from fructose 6-phosphate) ,
glycolysis V (Pyrococcus) ,
glyoxylate cycle ,
guanine and guanosine salvage III ,
guanosine deoxyribonucleotides de novo biosynthesis I ,
heme biosynthesis III (from siroheme) ,
heptaprenyl diphosphate biosynthesis ,
homolactic fermentation ,
homospermidine biosynthesis ,
hydrogen oxidation III (anaerobic, NADP) ,
hydrogen production II ,
hydrogen production III ,
hydrogen production IV ,
hydrogen production V ,
hydroxymethylpyrimidine salvage ,
icosapentaenoate biosynthesis V (Δ8 desaturase) ,
inosine-5'-phosphate biosynthesis III ,
isoprene biosynthesis II (engineered) ,
kojibiose degradation ,
lactate biosynthesis (archaea) ,
L-alanine degradation IV ,
laminaribiose degradation ,
L-arabinose degradation IV ,
L-arginine biosynthesis IV (archaebacteria) ,
L-arginine biosynthesis I (via L-ornithine) ,
L-arginine degradation I (arginase pathway) ,
L-arginine degradation V (arginine deiminase pathway) ,
L-asparagine biosynthesis III (tRNA-dependent) ,
L-asparagine degradation I ,
L-aspartate biosynthesis ,
L-aspartate degradation I ,
L-citrulline degradation ,
L-cysteine biosynthesis I ,
L-cysteine biosynthesis III (from L-homocysteine) ,
L-cysteine biosynthesis II (tRNA-dependent) ,
L-glutamate and L-glutamine biosynthesis ,
L-glutamate biosynthesis I ,
L-glutamate biosynthesis II ,
L-glutamate biosynthesis III ,
L-glutamate degradation I ,
L-glutamate degradation X ,
L-glutamine biosynthesis I ,
L-glutamine degradation II ,
L-histidine biosynthesis ,
lipoate salvage I ,
L-isoleucine degradation I ,
L-lactaldehyde degradation (aerobic) ,
L-leucine biosynthesis ,
L-lysine biosynthesis V ,
L-methionine degradation I (to L-homocysteine) ,
L-methionine salvage cycle I (bacteria and plants) ,
L-methionine salvage cycle III ,
long-chain fatty acid activation ,
L-ornithine biosynthesis ,
L-phenylalanine biosynthesis I ,
L-proline degradation ,
L-selenocysteine biosynthesis II (archaea and eukaryotes) ,
L-serine biosynthesis ,
L-threonine biosynthesis ,
L-threonine degradation II ,
L-tryptophan biosynthesis ,
L-tyrosine biosynthesis I ,
L-valine biosynthesis ,
melibiose degradation ,
menaquinol-7 biosynthesis ,
menaquinol-8 biosynthesis ,
methanogenesis from acetate ,
methanogenesis from dimethylamine ,
methanogenesis from dimethylsulfide ,
methanogenesis from methanethiol ,
methanogenesis from methanol ,
methanogenesis from methylamine ,
methanogenesis from methylthiopropanoate ,
methanogenesis from tetramethylammonium ,
methanogenesis from trimethylamine ,
methyl-coenzyme M oxidation to CO2 ,
methylhalides biosynthesis (plants) ,
methylwyosine biosynthesis ,
mevalonate pathway I ,
mevalonate pathway III (archaea) ,
molybdenum cofactor biosynthesis ,
myo-inositol biosynthesis ,
NADH repair ,
nitrate reduction I (denitrification) ,
nitrogen fixation I (ferredoxin) ,
nitrogen fixation II (flavodoxin) ,
nonaprenyl diphosphate biosynthesis I ,
octaprenyl diphosphate biosynthesis ,
phenylethanol biosynthesis ,
phospholipases ,
phosphopantothenate biosynthesis III ,
plumbagin biosynthesis ,
polyhydroxybutanoate biosynthesis ,
polyhydroxydecanoate biosynthesis ,
polyisoprenoid biosynthesis (E. coli) ,
proline to cytochrome bo oxidase electron transfer ,
propanoyl CoA degradation I ,
protein N-glycosylation (Haloferax volcanii) ,
protein N-glycosylation (Methanococcus voltae) ,
PRPP biosynthesis I ,
purine deoxyribonucleosides degradation I ,
purine deoxyribonucleosides salvage ,
purine nucleotides degradation II (aerobic) ,
purine ribonucleosides degradation ,
pyridoxal 5'-phosphate biosynthesis II ,
pyrimidine deoxyribonucleosides degradation ,
pyrimidine deoxyribonucleosides salvage ,
pyrimidine deoxyribonucleotide phosphorylation ,
pyrimidine deoxyribonucleotides de novo biosynthesis I ,
pyrimidine deoxyribonucleotides de novo biosynthesis II ,
pyrimidine deoxyribonucleotides de novo biosynthesis III ,
pyrimidine deoxyribonucleotides de novo biosynthesis IV ,
pyrimidine deoxyribonucleotides dephosphorylation ,
pyrimidine nucleobases salvage I ,
pyrimidine nucleobases salvage II ,
pyrimidine ribonucleosides degradation ,
pyrimidine ribonucleosides salvage I ,
pyrimidine ribonucleosides salvage II ,
pyrimidine ribonucleosides salvage III ,
pyruvate decarboxylation to acetyl CoA ,
pyruvate fermentation to acetate and alanine ,
pyruvate fermentation to acetate III ,
pyruvate fermentation to isobutanol (engineered) ,
reactive oxygen species degradation ,
reductive TCA cycle I ,
ribose degradation ,
S-adenosyl-L-methionine biosynthesis ,
S-adenosyl-L-methionine cycle I ,
sciadonate biosynthesis ,
selinene biosynthesis ,
S-methyl-5'-thioadenosine degradation I ,
S-methyl-5-thio-α-D-ribose 1-phosphate degradation ,
spermidine biosynthesis I ,
spermidine biosynthesis III ,
spermine biosynthesis ,
starch degradation III ,
starch degradation IV ,
starch degradation V ,
sulfate reduction IV (dissimilatory) ,
sulfur reduction I ,
sulfur reduction II (via polysulfide) ,
superpathay of heme biosynthesis from glutamate ,
superpathway of acetate utilization and formation ,
superpathway of adenosine nucleotides de novo biosynthesis I ,
superpathway of adenosine nucleotides de novo biosynthesis II ,
superpathway of Allium flavor precursors ,
superpathway of GDP-mannose-derived O-antigen building blocks biosynthesis ,
superpathway of glyoxylate bypass and TCA ,
superpathway of guanosine nucleotides de novo biosynthesis I ,
superpathway of hydrogen production ,
superpathway of L-cysteine biosynthesis (mammalian) ,
superpathway of L-serine and glycine biosynthesis I ,
superpathway of L-threonine biosynthesis ,
superpathway of menaquinol-7 biosynthesis ,
superpathway of pentose and pentitol degradation ,
superpathway of purine nucleotides de novo biosynthesis I ,
superpathway of pyrimidine deoxyribonucleoside salvage ,
superpathway of pyrimidine deoxyribonucleotides de novo biosynthesis ,
superpathway of pyrimidine deoxyribonucleotides de novo biosynthesis (E. coli) ,
superpathway of pyrimidine nucleobases salvage ,
superpathway of pyrimidine ribonucleosides degradation ,
superpathway of pyrimidine ribonucleosides salvage ,
taxadiene biosynthesis (engineered) ,
TCA cycle I (prokaryotic) ,
tetrapyrrole biosynthesis I (from glutamate) ,
tetrathionate oxidation ,
thio-molybdenum cofactor biosynthesis ,
thioredoxin pathway ,
trans-lycopene biosynthesis I (bacteria) ,
trehalose biosynthesis V ,
trehalose biosynthesis VI ,
triacylglycerol degradation ,
tRNA charging ,
tRNA splicing ,
UDP-α-D-glucuronate biosynthesis (from UDP-glucose) ,
UDP-D-galactose biosynthesis ,
UDP-glucose biosynthesis ,
UDP-N-acetyl-D-glucosamine biosynthesis I ,
UMP biosynthesis ,
uracil degradation I (reductive) ,
UTP and CTP de novo biosynthesis ,
UTP and CTP dephosphorylation I ,
valencene and 7-epi-α-selinene biosynthesis ,
xanthine and xanthosine salvage ,
xylose degradation III ,
xylose degradation IV


Report Errors or Provide Feedback
Please cite the following article in publications resulting from the use of MetaCyc: Caspi et al, Nucleic Acids Research 42:D459-D471 2014
Page generated by SRI International Pathway Tools version 19.0 on Mon Aug 31, 2015, BIOCYC14B.