Bacteria and archaea
RNA Dependent Cysteine Biosynthesis in Bacteria and Archaea
... diverse archaea and ...ancient archaea may have used both systems. In contrast, bacteria may have obtained the SepRS-SepCysS system from ...both archaea and ...
13
Picoheterotroph ( Bacteria and Archaea ) biomass distribution in the global ocean
... treat Bacteria and Archaea as one ...domains. Archaea make up about 5 % of picoheterotrophs in the surface, and typically about 50 % of the population that can be dis- tinguished by domain-specific ...
6
A review of ammonia-oxidizing bacteria and archaea in Chinese soils
... encoded by the amoA gene, variants of which are commonly found in both bacteria and archaea. With the availability of culture-independent molecular ecology techniques such as dena- turing gradient gel ...
7
A New Genomics Driven Taxonomy of Bacteria and Archaea: Are We There Yet?
... 17. Kyrpides NC, Hugenholtz P, Eisen JA, Woyke T, Goker M, Parker CT, Amann R, Beck BJ, Chain PS, Chun J, Colwell RR, Danchin A, Dawyndt P, Dedeurwaerdere T, Delong EF, Detter JC, De Vos P, Donohue TJ, Dong XZ, Ehrlich ...
8
Genome DNA Sequence Variation, Evolution, and Function in Bacteria and Archaea
... Comparative genomics has revealed that variations in bacterial and archaeal genome DNA sequences cannot be explained by only neutral mutations. Virus resistance and plasmid distribution systems have resulted in changes ...
7
Niche differentiation of ammonia oxidizing bacteria and archaea in managed soils
... Targeting groups based on a functional trait rather than taxon could further deepen our awareness of relationship between the ecology and activity of soil bacteria and archaea. Furthermore, targeting ...
55
A Genus Definition for Bacteria and Archaea Based on a Standard Genome Relatedness Index
... based on a comparison of 1,483 bp). These results highlight that there are still many taxonomic issues to resolve within Lactobacillus. Implications. The approach we have used to demarcate genera is complementary and ...
20
Cryptic inoviruses revealed as pervasive in bacteria and archaea across Earth's biomes
... and archaea, or horizontal virus transfer from one host domain to the other 26–28 ...four archaea-associated inoviruses were clearly distinct from most other inoviruses and clustered only with metagenomic ...
15
Energy-converting [NiFe] hydrogenases in archaea and bacteria: insights into the energy-transducing mechanism
... of bacteria were found to possess hydrogenase activity; hence it could be inferred that H 2 plays an important role in microbial ...in bacteria and archaea, but a few are present in eukarya as ...
125
Shifts among Eukaryota, Bacteria, and Archaea define the vertical organization of a lake sediment
... by Bacteria, together with a smaller fraction of methanogenic Archaea (reviews in [6, 17, ...methanogenic Archaea in marine sediments [19, ...where Archaea appear to be as abundant as ...
16
Ammonia-oxidizing bacteria and archaea within biofilters of a commercial recirculating marine aquaculture system
... Zhitao Huang 1† , Yuli Jiang 1† , Xiefa Song 1 , Eric Hallerman 2* , Lei Peng 1 , Dengpan Dong 1 , Teng Ma 3 , Jieming Zhai 4 and Wensheng Li 4 Abstract While biofilters are widely used to metabolize ammonia and other ...
12
Metabolic potential of uncultured bacteria and archaea associated with petroleum seepage in deep-sea sediments
... D eep-sea sediments, generally understood to be those occurring in water depths greater than ~500 m, represent one of the largest habitats on Earth. In recent years, culture-independent 16S rRNA gene surveys and ...
12
Evolutionary strategies of viruses, bacteria and archaea in hydrothermal vent ecosystems revealed through metagenomics
... 1 School of Oceanography and Astrobiology Program, University of Washington, Seattle, Washington, United States of America, 2 Josephine Bay Paul Center, Marine Biological Laboratory, Woods Hole, Massachusetts, United ...
15
Comparative genomics reveals 104 candidate structured RNAs from bacteria, archaea, and their metagenomes
... implicated in photosynthesis or nitrogen regulation in cyanobacteria, purine and one-carbon metabolism, stomach infection by Helicobacter, and many other physiological processes. A candidate riboswitch termed crcB is ...
17
Coupling Between Protein Level Selection and Codon Usage Optimization in the Evolution of Bacteria and Archaea
... of bacteria and archaea was examined by using the Alignable Tight Genome Clusters database of prokaryote ...in bacteria and archaea with GC-rich genomes, these findings suggest that selection ...
11
A Ferredoxin and F420H2 Dependent, Electron Bifurcating, Heterodisulfide Reductase with Homologs in the Domains Bacteria and Archaea
... ABSTRACT Heterodisulfide reductases (Hdr) of the HdrABC class are ancient enzymes and a component of the anaerobic core belonging to the prokaryotic common ancestor. The ancient origin is consistent with the widespread ...
15
Diversity of Bacteria and Archaea in hypersaline sediment from Death Valley National Park, California
... DNA was directly extracted from 20 subsamples of the sed- iment using the FastDNA SPIN kit for soil according to the manufacturer’s protocol (QBiogene Inc., Vista, CA). The extracted DNA was purified using FastPure DNA ...
14
Gene-specific selective sweeps in bacteria and archaea caused by negative frequency-dependent selection
... in bacteria and archaea (collectively, prokaryotes) is often believed to erase pre-existing genomic diversity through the hitchhiking effect, a phenomenon known as genome-wide selective ...
11
Bioaerosols in the Amazon rain forest: Temporal variations and vertical profiles of Eukarya, Bacteria and Archaea
... from the three different sampling heights. Figure 5G and H show an example of a cell agglomerate comprising multiple eukaryotic and bacterial cells. In the course of the microscopic analysis, Archaea were found as ...
21
Significance of two distinct types of tryptophan synthase beta chain in Bacteria, Archaea and higher plants
... in Figure 7. Pyrococcus horikoshii has lost the entire pathway, and only trpEb_2 is present. In Aquifex and Chlorobium all trp genes are dispersed, and trpEa is not linked to either trpEb_1 or trpEb_2. In Bacteria ...
14