*  Viral Eukaryogenesis: Was the Ancestor of the Nucleus a Complex DNA Virus? | SpringerLink
This redundancy allowed loss of the archaeal chromosome, generating an organism with eukaryotic features. The evolution of ... The coevolution of phagocytosis and the nucleus rendered much of the host archaeal genome redundant since the protoeukaryote ... These include mRNA capping, linear chromosomes, and separation of transcription from translation. In the model, phagocytosis ...
  https://link.springer.com/article/10.1007%2Fs002390010215
*  Archaeal integrases and mechanisms of gene capture | Biochemical Society Transactions
Archaeal integrases facilitate the formation of two distinctive types of integrated element within archaeal chromosomes: the ... Two mechanisms have been proposed for stably maintaining an integrated element within archaeal chromosomes. There is also ... Archaeal integrases and mechanisms of gene capture. Q. She, B. Shen, L. Chen ... Archaeal integrases and mechanisms of gene capture Message Subject (Your Name) has forwarded a page to you from Biochemical ...
  http://www.biochemsoctrans.org/content/32/2/222
*  Genome - Wikipedia
Samson, Rachel (2014). "Archaeal Chromosome Biology". J Mol Microbiol Biotechnol. doi:10.1159/000368854. PMC 5175462 . ... Eukaryotic genomes are composed of one or more linear DNA chromosomes. The number of chromosomes varies widely from Jack jumper ... Archaea have a single circular chromosome. Most bacteria also have a single circular chromosome; however, some bacterial ... "Replication of Linear Bacterial Chromosomes: No Longer Going Around in Circles". The Bacterial Chromosome: 525. 2005. doi: ...
  https://en.wikipedia.org/wiki/Genome
*  Genome
"Archaeal Chromosome Biology". J Mol Microbiol Biotechnol. doi:10.1159/000368854. PMC 5175462 . Retrieved 6 November 2017.. ... "Replication of Linear Bacterial Chromosomes: No Longer Going Around in Circles". The Bacterial Chromosome: 525. 2005. doi: ... An image of the 46 chromosomes making up the diploid genome of a human male. (The mitochondrial chromosome is not shown.) ... Archaea have a single circular chromosome.[18] Most bacteria also have a single circular chromosome; however, some bacterial ...
  https://readtiger.com/wkp/en/Genome
*  Chargaff's rules - Wikipedia
... the bacterial chromosomes, the double stranded DNA viral genomes, and the archaeal chromosomes. It does not apply to organellar ... specifically it applies to the eukaryotic chromosomes, ...
  https://en.wikipedia.org/wiki/Chargaff's_rules
*  Energetics and genetics across the prokaryote-eukaryote divide | Biology Direct | Full Text
... variable numbers of now straight chromosomes, and presumably, an inability to divide by the standard archaeal chromosomal ... Extrachromosomal element capture and the evolution of multiple replication origins in archaeal chromosomes. Proc Natl Acad Sci ... If the constraint was circular chromosomes [38] why didn't bacteria with straight chromosomes and multiple replicons become ... which have the potential to break circular bacterial chromosomes into straight chromosomes [111]. In providing the ribozyme ...
  https://0-biologydirect-biomedcentral-com.brum.beds.ac.uk/articles/10.1186/1745-6150-6-35
*  List of MeSH codes (A11) - Wikipedia
... chromosomes, archaeal MeSH A11.284.187.178 - chromosomes, artificial MeSH A11.284.187.178.170 - chromosomes, artificial, ... x chromosome MeSH A11.284.187.865.982.500 - chromosomes, human, x MeSH A11.284.187.865.983 - y chromosome MeSH A11.284.187.865. ... chromosomes, human, pair 12 MeSH A11.284.187.520.300.325.680 - chromosomes, human, x MeSH A11.284.187.520.300.370 - chromosomes ... philadelphia chromosome MeSH A11.284.187.520.300.505.757 - chromosomes, human, y MeSH A11.284.187.560 - chromosomes, plant MeSH ...
  https://en.wikipedia.org/wiki/List_of_MeSH_codes_(A11)
*  Nucleoid - Wikipedia
As in all cellular organisms, length of the DNA molecules of bacterial and archaeal chromosomes is very large compared to the ... Wang, W.; Li, G.; Chen, C.; Xie, X. S.; Zhuang, X. (2011). "Chromosome organization by a nucleoid-associated protein in live ... Qian, Z; Macvanin, M; Dimitriadis, EK; He, X; Zhurkin, V; Adhya, S (2015). "A New Noncoding RNA Arranges Bacterial Chromosome ... Smith, BT; Grossman, AD; Walker, GC (2002). "Localization of UvrA and effect of DNA damage on the chromosome of Bacillus ...
  https://en.wikipedia.org/wiki/Nucleoid
*  Microbiology (Basic)
1. The archaeal chromosomes that have been studied consist of a single, closed DNA circle like those of bacteria, except that ... 2. Archaeal cell wall chemistry is different from that of bacteria a. Lacks muramic acid and D-amino acids and therefore is ... 2. Archaeal mRNA is like that of bacteria (i.e., it may be polygenic, there is no evidence of intron-containing precursors, and ... B. Archaeal cell walls 1. Archaea can stain either gram positive or gram negative, but their cell wall structure differs ...
  http://mikrobiologicoke.blogspot.com/2009/06/microbiology-basic.html
*  The origin of introns and their role in eukaryogenesis: a compromise solution to the introns-early versus introns-late debate? ...
... introns located in distant regions of the chromosome could be disintegration of the circular chromosome of the archaeal host ... Some of the 'archaeal' proteins of eukaryotes do show phylogenetic affinity with a specific archaeal lineage, it is just that ... archaeal chromosome that formed the basis of the emerging eukaryotic genome. This intron invasion triggered the formation of ... Replication of linear chromosomes presents a problem as it leads to gradual loss of the terminal (telomeric) regions [89-91]. ...
  https://biologydirect.biomedcentral.com/articles/10.1186/1745-6150-1-22
*  Oxygen and Sex | Proceedings of the Royal Society of London B: Biological Sciences
... host's DNA and incomplete repair of these breaks could have caused the transition from a single Archaeal ring-like chromosome ... to repair chromosomes. Further steps of meiosis mostly just represent modifications of mitosis: alignment of chromosomes in ... 2004 Archaeal histones: structures, stability and DNA binding. Biochem. Soc. Trans. 32, 227-230. (doi:10.1042/bst0320227). ... Archaeal DSBs can be induced by exogenous oxidative stress caused by ultraviolet light or chemicals [32]. Furthermore, all ...
  http://rspb.royalsocietypublishing.org/content/285/1872/20172706?cpetoc
*  Journal of Cosmology. Origin & Evolution of Life From Other Planets
As summed up by Koonin (2009) "in prokaryotes, the interaction between bacterial and archaeal chromosomes and selfish replicons ... Hence, plasmids serve as genetic couriers which are able to travel from chromosome to chromosome, from cell to cell, and from ... and the distinction between chromosomes and megaplasmids is blurred to such an extent that chromosomes are, probably, best ... RNAi in association with introns/transposons can even control chromosome segregation and the expression of large chromosome ...
  http://cosmology.net/Cosmology2.html
*  A computational approach for identifying pathogenicity islands in prokaryotic genomes | BMC Bioinformatics | Full Text
The sequence files of 148 prokaryotic complete genomes consisting of 157 chromosomes, including 17 archaeal ones as of January ... As for the 157 chromosomes examined (Table 1S [see Additional file 1]), the length proportion of GIs to the chromosome averaged ... for chromosome I and 32.2% for chromosome II. The genome of L. interrogans was reported to have the biggest number of proteins ... PAIs in prokaryotic chromosomes (see supplementary Table 3S for the complete information) [see Additional file 3] ...
  https://bmcbioinformatics.biomedcentral.com/articles/10.1186/1471-2105-6-184
*  Global features of sequences of bacterial chromosomes, plasmids and phages revealed by analysis of oligonucleotide usage...
Sequences of 155 bacterial chromosomes including eubacterial, archaeal and cyanobacterial genomes, 316 plasmids and 104 phages ... Five of the 155 bacterial chromosomes have anomalously high PS, of which the chromosomes of Xylella fastidiosa 9a5c and ... 12859_2004_206_MOESM1_ESM.xls Additional File 1: Global features of all studied bacterial chromosomes bacterial chromosome, ... local PS was only slightly higher than in the whole chromosome (Table 1) indicating strand symmetry throughout the chromosome. ...
  https://bmcbioinformatics.biomedcentral.com/articles/10.1186/1471-2105-5-90
*  An alternative beads‐on‐a‐string chromatin architecture in Thermococcus kodakarensis | EMBO Reports
... contributed expertise in archaeal cell culture and chromosome structure; N.A.K. conceived the study, managed the project, ... Bacterial and archaeal cell nucleoids might also be viewed as chromatin [4, 5]. Archaeal cells, in particular those of the ... Schneider KL, Pollard KS, Baertsch R, Pohl A, Lowe TM (2006) The UCSC archaeal genome browser. Nucleic Acids Res 34:D: 407-410 ... Pereira SL, Grayling RA, Lurz R, Reeve JN (1997) Archaeal nucleosomes. Proc Natl Acad Sci USA 94: 12633-12637. ...
  http://embor.embopress.org/content/14/8/711
*  Frontiers | Archaeal Persisters: Persister Cell Formation as a Stress Response in Haloferax volcanii | Microbiology
... this is potentially due to structural differences between bacterial and archaeal signals, and does not discount a quorum ... this is potentially due to structural differences between bacterial and archaeal signals, and does not discount a quorum ... TABLE 1. Toxin-antitoxin loci identified on Haloferax volcanii DS2 chromosome and plasmids. ... Archaeal Persisters: Persister Cell Formation as a Stress Response in Haloferax volcanii. Julianne Megaw and Brendan F. Gilmore ...
  https://www.frontiersin.org/articles/10.3389/fmicb.2017.01589/full
*  Phylogenomics of Prokaryotic Ribosomal Proteins
An overwhelming majority of archaeal ribosomal protein genes in this study are located on the major chromosomes. Four paralogs ... Proteomic characterization of archaeal ribosomes reveals the presence of novel archaeal-specific ribosomal proteins. J Mol Biol ... Bacterial and archaeal genomes. Genomic data for 995 bacterial and 87 archaeal completely sequenced genomes were retrieved from ... Paralogy and distribution of archaeal r-protein genes across genome partitions. Generally r-proteins in archaeal genomes are ...
  http://pubmedcentralcanada.ca/pmcc/articles/PMC3353972/
*  Frontiers | Archaeal S-Layers: Overview and Current State of the Art | Microbiology
As such, archaeal S-layers represent an area for exploration in both basic and applied research. ... As such, archaeal S-layers represent an area for exploration in both basic and applied research. ... In this review, we summarise current understanding of archaeal S-layer proteins, discussing topics such as structure, lattice ... Information regarding S-layers in the remaining archaeal phyla is limited, mainly due to organism description through only ...
  https://www.frontiersin.org/articles/10.3389/fmicb.2017.02597/full
*  Uniting sex and eukaryote origins in an emerging oxygenic world
A putative model for the evolution of meiosis from archaeal conjugation. A. Ancestral archaeal conjugation (as described in H. ... This process maintains the original chromosome contiguity and greatly enhances the kinetics of chromosome reconstruction by ... possibly derived from its archaeal ancestor. Archaeal conjugation has thus far only been studied in H. volcanii and Sulfolobus ... The deep archaeal roots of eukaryotes. Mol Biol Evol. 2008;25(8):1619-1630. doi: 10.1093/molbev/msn108. [PubMed] [Cross Ref] ...
  http://pubmedcentralcanada.ca/pmcc/articles/PMC2933680/
*  Most recent papers in the journal Archaea: An International Microbiological Journal | Read by QxMD
The archaeal ancestor scenario (AAS) for the origin of eukaryotes implies the emergence of a new kind of organism from the ... On the basis of the automatically replicating sequences of the J7 chromosome and the pyrF marker, we constructed seven vectors ... Archaeal Diversity and CO2 Fixers in Carbonate-/Siliciclastic-Rock Groundwater Ecosystems.. Cassandre Sara Lazar, Wenke Stoll, ... Archaeal diversity was also characterized along a monitoring well transect that spanned surface land uses from forest/woodland ...
  https://www.readbyqxmd.com/journal/40162
*  Provirus - Wikipedia
Not only eukaryotic viruses integrate into the genomes of their hosts; many bacterial and archaeal viruses also employ this ... not only refers to a retrovirus but is also used to describe other viruses that can integrate into the host chromosomes, ... Krupovic M, Prangishvili D, Hendrix RW, Bamford DH (2011). "Genomics of bacterial and archaeal viruses: dynamics within the ...
  https://en.wikipedia.org/wiki/Provirus
*  Archaea - Wikipedia
Connections between archaeal cells can also be found between the Archaeal Richmond Mine Acidophilic Nanoorganisms (ARMAN) and ... Cell division is controlled in a cell cycle; after the cell's chromosome is replicated and the two daughter chromosomes ... archaeal flagella are synthesized by adding subunits at the base. Archaeal membranes are made of molecules that are distinctly ... discovery of the ARMAN group of archaea Genomics Browse any completed archaeal genome at UCSC Comparative Analysis of Archaeal ...
  https://en.wikipedia.org/wiki/Archaea
*  ASMscience | Resolution of Multimeric Forms of Circular Plasmids and Chromosomes
Here we give an overview of the variety of site-specific resolution systems found on circular plasmids and chromosomes. ... Resolution of multimeric forms of circular plasmids and chromosomes is mediated by site-specific recombination, and the enzymes ... One of the disadvantages of circular plasmids and chromosomes is their high sensitivity to rearrangements caused by homologous ... The carboxy-terminal αN helix of the archaeal XerA tyrosine recombinase is a molecular switch to control site-specific ...
  http://www.asmscience.org/content/journal/microbiolspec/10.1128/microbiolspec.PLAS-0025-2014
*  A comparative genomics perspective on the genetic content of the alkaliphilic haloarchaeon Natrialba magadii ATCC 43099T | BMC...
Archaeal genomes can contain a large number of transposable elements and the variety of archaeal insertion sequences is thought ... The small chromosome pNMAG01 contained a copy of 16 S rRNA-tRNAAla-23 S rRNA-5 S rRNA sequence on the minus strand and a copy ... Archaeal genomes generally have 1-4 rRNA operons consisting of the 16 S, 23 S, and 5 S rRNA genes with a tRNAAla gene located ... The large chromosome of Nab. magadii contained loci encoding putative cytochrome c-type terminal oxidase subunits I and II ( ...
  https://bmcgenomics.biomedcentral.com/articles/10.1186/1471-2164-13-165
*  Getting a better picture of microbial evolution en route to a network of genomes | Philosophical Transactions of the Royal...
2007 The origin of mitochondria in light of a fluid prokaryotic chromosome model. Biol. Lett. 3, 180-184. (doi:10.1098/rsbl. ... For example, methanogens and archaeal halophiles have related and similar cores (Gribaldo & Brochier-Armanet 2006), but ... 1999 Mosaic bacterial chromosomes-a challenge en route to a tree of genomes. BioEssays 21, 99-104. (doi:10.1002/(SICI)1521-1878 ... If an endosymbiont lyses, its chromosome is free to recombine with that of its host, if the host lyses, the symbiosis is over, ...
  http://rstb.royalsocietypublishing.org/content/364/1527/2187