Mobile elements in archaeal genomes
نویسندگان
چکیده
منابع مشابه
Archaeal extrachromosomal genetic elements.
SUMMARY Research on archaeal extrachromosomal genetic elements (ECEs) has progressed rapidly in the past decade. To date, over 60 archaeal viruses and 60 plasmids have been isolated. These archaeal viruses exhibit an exceptional diversity in morphology, with a wide array of shapes, such as spindles, rods, filaments, spheres, head-tails, bottles, and droplets, and some of these new viruses have ...
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Features unique to a transfer-RNA are recognized by the corresponding tRNA-synthetase. Keeping this in view we isolate the discriminating features of all archaeal tRNA. These are our identity elements. Further, we investigate tRNA-characteristics that delineate the different orders of Archaea.
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The periodic transference of nucleotide strings in bacterial and archaeal complete genomes is investigated by using the metric representation and the recurrence plot method. The generated periodic correlation structures exhibit four kinds of fundamental transferring characteristics: a single increasing period, several increasing periods, an increasing quasi-period and almost noincreasing period...
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In the process of analysing the four available complete archaeal genomes, we have noted that certain regions characterised as 'non-coding' exhibit significant sequence similarity to other protein sequences from Archaea and other species. Using established technology, we have identified a number of potential protein coding regions in these putative 'non-coding' regions. We have detected 524 such...
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Gene duplication is an important mechanistic antecedent to the evolution of new genes and novel biochemical functions. In an attempt to assess the contribution of gene duplication to genome evolution in archaea and bacteria, clusters of related genes that appear to have expanded subsequent to the diversification of the major prokaryotic lineages (lineage-specific expansions) were analyzed. Anal...
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ژورنال
عنوان ژورنال: FEMS Microbiology Letters
سال: 2002
ISSN: 0378-1097,1574-6968
DOI: 10.1111/j.1574-6968.2002.tb10999.x