The non‐standard genetic code of Candida spp.: an evolving genetic code or a novel mechanism for adaptation?
نویسندگان
چکیده
منابع مشابه
Evolving genetic code
In 1985, we reported that a bacterium, Mycoplasma capricolum, used a deviant genetic code, namely UGA, a "universal" stop codon, was read as tryptophan. This finding, together with the deviant nuclear genetic codes in not a few organisms and a number of mitochondria, shows that the genetic code is not universal, and is in a state of evolution. To account for the changes in codon meanings, we pr...
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In this paper we revisit the idea of relating the genetic code to a Gray code. This idea was originally fostered by Rosemary Swanson as a “unifying concept for the amino acid code”. We show that cyclic arrangements of the codons which are different from the one proposed by Swanson, but which are still based on the principle of minimal change, yield a better grouping of the amino acids by simila...
متن کاملGenetic code
Is the code universal? No. Although most organisms have the same genetic code, researchers began to discover exceptions to the ‘universal’ code in 1979, and today we know of more than 15 alternative codes; each has just a few differences from the standard code, indicating common ancestry from this code. Several of these codes arose independently a number of times in evolution and are present in...
متن کاملAn Alternative Cracking of The Genetic Code
We propose 22 ‘unique’ solutions to the Genetic code: an alternative cracking, from the perspective of a Mathematician. INTRODUCTION The Genetic code is now known to consist of triplet bases specifying for an amino acid (1). But before any biochemical appreciation of the genetic code, a page copy of DNA of any kind ordinarily looks like a cryptographic code – a discrete set of symbols produced ...
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Genetic code expansion, for the site-specific incorporation of unnatural amino acids into proteins, is currently limited to cultured cells and unicellular organisms. Here we expand the genetic code of a multicellular animal, the nematode Caenorhabditis elegans.
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ژورنال
عنوان ژورنال: Molecular Microbiology
سال: 1997
ISSN: 0950-382X,1365-2958
DOI: 10.1046/j.1365-2958.1997.5891961.x