More Than 200 Genes Required for Methane Formation from H2 and CO2 and Energy Conservation Are Present in Methanothermobacter marburgensis and Methanothermobacter thermautotrophicus
Table 1
Genomes of Methanothermobacter marburgensis and of Methanothermobacter thermautotrophicus.
M. marburgensis
M. thermautotrophicus
Chromosome size (bp)
1, 639,135
1,751,377
G+C content (mol%)
48.64
49.54
Coding (%)
90.94
91.02
CDS
1,752
1,873
CDS in common
1,607
1,607
for conserved hypothetical proteins
468
468
for predicted membrane proteinsa
327
327
CDS not in common
145
266
for predicted membrane proteinsa
48
80
CDS for proteins with an intein
1b
1b
5S rRNA
3
3
16S rRNA
2
2
23S rRNA
2
2
tRNA
40
39
tRNA with introns
3
3
Catalytic RNA (Ribonuclease P)
1
1
Rnp-assisting proteins
4
4
CRISPR locus
1 (36 repeats)
3 (175 repeats)
CRISPR-associated CDS
1
18
Sec transport system
yes
yes
7S rRNA (signal recognition particle RNA)
1
1
SRP-19, SRP-54, five Sec proteins
yes
yes
FtsY (SRP receptor); YidC
yes
yes
Signal peptidase
1
1
Tat system
no
no
Fimbrin
2
3
Sortase
2
2
Adhesin-like proteinsc
12
12
IS-like elements
15
no
Transposase
1 (2 CDS)
no
Plasmid
pME2001 (4,439 bp)
no
aCDS predicted to code for transmembrane proteins based on the presence of at least one transmembrane helix as determined by TMHMM Server v. 2.0. badenosylcobalamin-dependent ribonucleotide reductase (MTBMA_c10320; MTH652).chomologous to one or several of the 105 adhesin-like proteins in Methanobrevibacter ruminantium [41].
