Sentences with phrase «of archaeal»

Insights into substrate specificity of geranylgeranyl reductases revealed by the structure of digeranylgeranylglycerophospholipid reductase, an essential enzyme in the biosynthesis of archaeal membrane lipids.

The researchers compared the sequence to that of other sequenced methanogens to identify a distinct set of genes characteristic of archaeal methanogens.

Comparison of archaeal and bacterial genomes: computer analysis of protein sequences predicts novel functions and suggests a chimeric origin for the archaea.

As a follow - up, which is the current study, they tested 51 volunteers and decided to get a large range in ages to test the age - dependency of the archaeal signatures.

«If we could turn back the clock and peer inside this cell, would its cellular organization have been like that of an archaeal cell or more eukaryote - like?»

Recent findings emphasize the importance of investigating members of the archaeal domain of life in order to obtain a more comprehensive view of microbial ecology, symbiosis, and metabolic interdependencies involving archaeal partners, and of evolution of life on Earth in regard to the deep roots of archaea as well as our microbial ancestry.

In this Review, we provide an overview of the currently recognized archaeal diversity, summarize new findings on the metabolic potential of recently described archaeal lineages, and discuss these data in light of archaeal evolution.

Not exact matches

The mix of nuclear genes would come from the archaeal guest and later from the mitochondrion, which forfeited parts of its genome to the nucleus over time.

Hartman suggested in 1984 that the nucleus arose when a hypothetical cell that stored its genetic information as RNA instead of DNA and possessed a simple cytoskeleton became the host for an archaeal organism.

Recently discovered archaeal lineages include mesophiles and (hyper --RRB- thermophiles, anaerobes and aerobes, autotrophs and heterotrophs, a large diversity of putative archaeal symbionts, as well as previously unknown acetogens and different groups of methanogens (see the figure).

Spang et al. review the diversity of Archaea and their genomes, metabolomes, and history, which clarifies the biology and placement of recently discovered archaeal lineages.

Excitingly, these proteins are functionally enriched for membrane bending, vesicular biogenesis, and trafficking activities, suggesting that eukaryotes evolved from an archaeal host that contained some key components that governed the emergence of eukaryotic cellular complexity after endosymbiosis.

On the basis of our current understanding, much archaeal diversity still defies genomic exploration.

Recently, cultivation - independent sequencing methods have produced a wealth of genomic data for previously unidentified archaeal lineages, several of which appear to represent newly revealed branches in the tree of life.

The lineages of these groups are not restricted to extreme habitats, as was once thought common for archaeal species; rather, archaea are widespread and occur in all thinkable environments on Earth, where they can make up substantial portions of the microbial biomass.

Efforts to obtain and study genomes and enrichment cultures of uncultivated microbial lineages will likely further expand our knowledge about archaeal phylogenetic and metabolic diversity and their cell biology and ecological function.

The authors consider the available data to explore an essential question: what might the archaeal ancestor of all eukaryotes look like?

Orphan and her team plan to use the genomic information from the paired methane - oxidizing archaeal and bacterial partners to develop deeper insights into the physiology and mechanisms of interaction and energetic exchange between different methanotrophic consortia coexisting in the environment.

Using heavy - duty computers to sift through this mess, the team ultimately reconstructed 7280 bacterial and 623 archaeal genomes — about a third of which were new to science.

«From a practical standpoint, the ability to direct the specific, addressable destruction of DNA... could have considerable functional utility, especially if the system can function outside of its native bacterial or archaeal context,» they wrote.

Currently only 35 bacterial and archaeal phyla are recognized on the basis of classical approaches to microbial taxonomy.

Ten years ago in the early days of genome sequencing, researchers scoured the genomes of 580 bacterial and archaeal species for large genes.

Currently, we are exploring several environmental samples retrieved from allover the world - ranging from hydrothermal vents in Japan to hot springs in Yellowstone National Park and New Zealand — for the presence of novel archaeal (and bacterial) lineages using cultivation - independent approaches, such as metagenomics and single cell genomics.

One of the main findings that we have obtained thus far, is that the eukaryotic lineage seem to branch from within the archaeal Domain of life, affiliating with the so - called «TACK» superphylum (comprising Thaum -, Aig -, Cren - and Korarchaeota).

Disa will work on the genomic exploration of «microbial dark matter», focusing on new archaeal lineages and viruses, using both lab - and bioionformatics - based approaches.

This study sheds new light onto archaeal genome evolution, the deep roots of archaea and the phylogenetic placement of DPANN.

Now available in the Early Edition of PNAS: Tom Williams (University of Bristol, UK) in collaboration with, among others, the Ettema - lab reports on using integrative modeling of gene and genome evolution to root the archaeal tree of life and to resolve the metabolism of the earliest archaeal cells.

Starting his first postdoc here in Ettema - lab his work will involve the exploration of poorly described archaeal lineages and the development of novel methods to investigate syntrophic relationships in microbial communities.

The genome of M. acetivorans C2A is by far the largest of all sequenced archaeal genomes.

«Archaeal Dominance in the Mesopelagic Zone of the Pacific Ocean.»

Tom Williams (University of Bristol, UK) in collaboration with, among others, the Ettema - lab reports on using integrative modeling of gene and genome evolution to root the archaeal tree of life and to resolve the metabolism of the earliest archaeal cells.

To gain a better understanding of the evolutionary path by which these archaeal proteins gave rise to the eukaryotic cytoskeleton we have assembled a team of global experts in cytoskeletal biology and evolutionary cell biology.

Of special interest is the archaeal Domain, which remains poorly chraracterized to date.

Using second and third generation sequencing technologies, we aim at generating genomic data of novel bacterial and archaeal lineages, as well as of unchracterized protists.

Comparisons of bacterial and Archaeal Communities in the Rumen and a Dual - Flow Continuous Culture Fermentation System using Amplicon Sequencing — I J Salfer — Journal of Animal Science

Impact of Different Bioenergy Crops on N - Cycling Bacterial and Archaeal Communities in Soil, Yuejian Mao, Anthony Yannarell, Sarah Davis, Roderick I. Mackie, Environmental Microbiology, doi: 10.1111j.1462-2920.2012.02844.x, August 2012.

Recently, this very lab described the Asgard Archaea, an archaeal phylum with clear signs of cellular complexity, such as the presence of eukaryotic membrane trafficking components.

All but three of the 65 archaeal sequences appeared to be from methanogenic microbes.

Starting his first postdoc here in Ettema - lab his work will involve the exploration of poorly described archaeal lineages and

By utilizing metagenomic data from newly discovered bacterial and archaeal groups, we are able to perform exploratory evolutionary analyses and test specific hypothesis regarding the origins of various systems.

My research is framed within the Wellcome Trust consortium on the archaeal origins of eukaryotic cell organization (http://evocyt.com/), which includes a diverse group of researchers studying the evolution of eukaryotic machinery from different points of view — e.g. how do specific cellular systems work in different lineages, and how did that affect the origin of the eukaryotic cell plan?

Finally, there is no attempt to see if their analysis (of the degree of cyclization of aquatic archaeal glycerol dialkyl glycerol) might be affected by modern changes in the lake.

What do those do to the degree of cyclization of aquatic archaeal glycerol dialkyl glycerol?

I note that in their SOI they list the constants used with the magical formula that relates the temperature to the degree of cyclization of aquatic archaeal glycerol dialkyl glycerol tetraethers to temperature... as they say...