Domains within the mammalian ornithine decarboxylase messenger RNA have evolved independently and episodically.

abstract：:We have studied the relative contribution of inversions, transpositions, deletions, and nucleotide substitutions to the evolution of Chlamydia trachomatis and Chlamydia pneumoniae. The minimal number of rearrangement events required for converting the gene order structure of one genome into that of the other was estim...

journal_title：Journal of molecular evolution

authors： Dalevi DA,Eriksen N,Eriksson K,Andersson SG

更新日期：2002-07-01 00:00:00

abstract：:Oxygen-free aqueous solutions of NH4CN (0.1 M, pH9) were exposed to gamma rays from a 60Co source, the mixture of nonvolatile products was fractionated, and the fractions were analyzed. The procedures were chosen to make effective investigations of radiolytic products, and to minimize the contributions of chemical cha...

journal_title：Journal of molecular evolution

authors： Draganić ZD,Niketić V,Jovanović S,Draganić IG

更新日期：1980-07-01 00:00:00

abstract：:The size and diversity of bacteriophage populations require methodologies to quantitatively study the landscape of phage differences. Statistical approaches are confronted with small genome sizes forbidding significant single-phage analysis, and comparative methods analyzing full phage genomes represent an alternative...

journal_title：Journal of molecular evolution

authors： Carbone A

更新日期：2008-03-01 00:00:00

abstract：:Copia is a retrotransposon that appears to be distributed widely among the Drosophilidae subfamily. Evolutionary analyses of regulatory regions have indicated that the Copia retrotransposon evolved through both positive and purifying selection, and that horizontal transfer (HT) could also explain its patchy distributi...

journal_title：Journal of molecular evolution

authors： de Setta N,Van Sluys MA,Capy P,Carareto CM

更新日期：2011-03-01 00:00:00

abstract：:Available molecular and biochemical data offer conflicting evidence for the origin of the cyanelle of Cyanophora paradoxa. We show that the similarity of cyanelle and green chloroplast sequences is probably a result of these two lineages independently developing the same pattern of directional nucleotide change (subst...

journal_title：Journal of molecular evolution

authors： Lockhart PJ,Howe CJ,Bryant DA,Beanland TJ,Larkum AW

更新日期：1992-02-01 00:00:00

abstract：:DNA methylation is one of the many hypotheses proposed to explain the observed deficiency in CpG dinucleotides in a variety of genomes covering a wide taxonomic distribution. Recent studies challenged the methylation hypothesis on empirical grounds. First, it cannot explain why the Mycoplasma genitalium genome exhibit...

journal_title：Journal of molecular evolution

authors： Xia X

更新日期：2003-01-01 00:00:00

abstract：:In this article, we investigated the structural and dynamical evolutionary behaviour of a set of ten thioredoxin proteins as formed by three extant forms and seven resurrected ones in laboratory. Starting from the crystallographic structures, we performed all-atom molecular dynamics simulations and compare the traject...

journal_title：Journal of molecular evolution

authors： Del Galdo S,Alba J,Amadei A,D'Abramo M

更新日期：2019-07-01 00:00:00

abstract：:There is an 8/13 sequence match between actin and flagellin in their N-terminal regions. ...

journal_title：Journal of molecular evolution

authors： Harris RJ,Elder D

更新日期：2002-02-01 00:00:00

abstract：:A few years ago we presented a stationary Markov model of gene evolution according to which only homologous genes from not too divergent species obeying the condition of being stationary may behave as reliable molecular clocks. A compartmentalized model of the nuclear genome in which the genes are distributed in compa...

journal_title：Journal of molecular evolution

authors： Saccone C,Pesole G,Preparata G

更新日期：1989-11-01 00:00:00

abstract：:Genes encoding the olfactory receptors of the "OR37" subfamily of the mouse are characterized by special features including a clustered expression pattern, assembly in two distinct gene clusters, and highly conserved putative promoter motifs. Mining the rat and dog databases revealed that these two species possess hig...

journal_title：Journal of molecular evolution

authors： Hoppe R,Lambert TD,Samollow PB,Breer H,Strotmann J

更新日期：2006-04-01 00:00:00

abstract：:The specificity of interaction of amino acids with triplets in the acceptor helix stem of tRNA was investigated by means of a statistical analysis of 1400 tRNA sequences. The imprint of a prototypic genetic code at position 3-5 of the acceptor helix was detected, but only for those major amino acids, glycine, alanine,...

journal_title：Journal of molecular evolution

authors： Möller W,Janssen GM

更新日期：1992-06-01 00:00:00

abstract：:We have determined the genomic structure of an integrin beta-subunit gene from the coral, Acropora millepora. The coding region of the gene contains 26 introns, spaced relatively uniformly, and this is significantly more than have been found in any integrin beta-subunit genes from higher animals. Twenty-five of the 26...

journal_title：Journal of molecular evolution

authors： Schmitt DM,Brower DL

更新日期：2001-12-01 00:00:00

abstract：:Selection pressures on proteins are usually measured by comparing homologous nucleotide sequences (Zuckerkandl and Pauling 1965). Recently we introduced a novel method, termed volatility, to estimate selection pressures on proteins on the basis of their synonymous codon usage (Plotkin and Dushoff 2003; Plotkin et al. ...

journal_title：Journal of molecular evolution

authors： Plotkin JB,Dushoff J,Desai MM,Fraser HB

更新日期：2006-11-01 00:00:00

abstract：:Phospholipid vesicles (liposomes) were subjected to dehydration-hydration cycles in the presence of 6-carboxyfluorescein or salmon sperm DNA. We found that the vesicles fused into multilamellar structures during dehydration with solutes trapped between the lamellae. Upon rehydration the lamellae swelled and formed lar...

journal_title：Journal of molecular evolution

authors： Deamer DW,Barchfeld GL

更新日期：1982-01-01 00:00:00

abstract：:Pax genes encode transcription factors critical for metazoan development. Large-scale gene duplication with subsequent gene losses during vertebrate evolution has resulted in two human genes for each of the Pax1/9, Pax3/7, and Pax4/6 subfamilies and three for the Pax2/5/8 subfamily, compared to one each in the cephalo...

journal_title：Journal of molecular evolution

authors： Short S,Holland LZ

更新日期：2008-06-01 00:00:00

abstract：:The heterotrophic theory of the origin of life is the only proposal available with experimental support. This comes from the ease of prebiotic synthesis under strongly reducing conditions. The prebiotic synthesis of organic compounds by reduction of CO(2) to monomers used by the first organisms would also be considere...

journal_title：Journal of molecular evolution

authors： Lazcano A,Miller SL

更新日期：1999-10-01 00:00:00

abstract：:In the maximum likelihood (ML) method for estimating a molecular phylogenetic tree, the pattern of nucleotide substitutions for computing likelihood values is assumed to be simpler than that of the actual evolutionary process, simply because the process, considered to be quite devious, is unknown. The problem, however...

journal_title：Journal of molecular evolution

authors： Fukami-Kobayashi K,Tateno Y

更新日期：1991-01-01 00:00:00

abstract：:There have been two distinct phases of evolution of the genetic code: an ancient phase--prior to the divergence of the three domains of life, during which the standard genetic code was established--and a modern phase, in which many alternative codes have arisen in specific groups of genomes that differ only slightly f...

journal_title：Journal of molecular evolution

authors： Sengupta S,Higgs PG

更新日期：2015-06-01 00:00:00

abstract：:This study dealt with the ability of non-denaturing gel electrophoresis to separate iso-1-cytochrome c with single amino acid replacements isolated from revertants of various cyc1 nonsense mutants of the yeast Saccharomyces cerevisiae. A total of 28 different iso-1-cytochromes c with single amino acid substitutions of...

journal_title：Journal of molecular evolution

authors： McLellan T,Sherman F

更新日期：1991-10-01 00:00:00

abstract：:Hemoglobin Vancouver is a new abnormal hemoglobin with an amino acid substitution of the normal aspartyl residue 73 of the beta chain by a tyrosyl residue. It was discovered in a man of Chinese descent in association with beta thalassemia. It was subsequently detected in a sister in association with normal Hb A. The o...

journal_title：Journal of molecular evolution

authors： Jones RT,Brimhall B,Pootrakul S,Gray G

更新日期：1976-12-31 00:00:00

abstract：:Life as we know it requires three basic types of polymers: polypeptide, polynucleotide, and polysaccharide. Here we evaluate both universal and idiosyncratic characteristics of these biopolymers. We incorporate this information into a model that explains much about their origins, selection, and early evolution. We obs...

journal_title：Journal of molecular evolution

authors： Runnels CM,Lanier KA,Williams JK,Bowman JC,Petrov AS,Hud NV,Williams LD

更新日期：2018-12-01 00:00:00

abstract：:Unravelling gene structure requires the identification and understanding of the constraints that are often associated with the evolutionary history and functional domains of genes. We speculated in this manuscript with the possibility of the existence in orthologs of an emergent highly conserved gene structure that mi...

journal_title：Journal of molecular evolution

authors： Fuertes MA,Rodrigo JR,Alonso C

更新日期：2019-04-01 00:00:00

abstract：:Gene duplication by retrotransposition duplicates only the coding and untranslated regions of a gene and, thus, biases retroduplicated genes toward having different expression patterns from their parental genes. As such, genes duplicated by retrotransposition are more likely to develop novel expression domains. To exp...

journal_title：Journal of molecular evolution

authors： Penney J,Bossé J,Clark DV

更新日期：2008-05-01 00:00:00

abstract：:We have performed a genome-wide analysis of the mimp family of miniature inverted-repeat transposable elements, taking advantage of the recent release of the F. oxysporum genome sequence. Using different approaches, we detected 103 mimp elements, corresponding to 75 nonredundant copies, half of which are located on a ...

journal_title：Journal of molecular evolution

authors： Bergemann M,Lespinet O,M'Barek SB,Daboussi MJ,Dufresne M

更新日期：2008-12-01 00:00:00

abstract：:Previous reports indicate that in laboratory strains of mice, males are distinct from females in possession of repetitive DNA, notably devoid of Eco RI and Hae III sites and rich in the simple tetranucleotides GATA/GACA. We report here that such sequences originated in an ancestor common to laboratory mice, Mus hortul...

journal_title：Journal of molecular evolution

authors： Platt TH,Dewey MJ

更新日期：1987-01-01 00:00:00

abstract：:Multiple phospholipase A2 (PLA2) isoenzymes found in a single snake venom induce a variety of pharmacological effects. These multiple forms are formed by gene duplication and accelerated evolution of exons. We examined the amino acid sequences of 127 snake venom PLA2 enzymes and their homologues to study in which loca...

journal_title：Journal of molecular evolution

authors： Kini RM,Chan YM

更新日期：1999-02-01 00:00:00

abstract：:Recombination has been suggested to be an important factor for the genetic variation of bacterial genes, but few studies have dealt with intragenic recombination between the same or closely related species of cyanobacteria. Here we provide strong evidence for recombination in the microcystin synthetase (mcy) gene clus...

journal_title：Journal of molecular evolution

authors： Tanabe Y,Kaya K,Watanabe MM

更新日期：2004-06-01 00:00:00

abstract：:In vitro selection of Zn(2+)-dependent RNA-cleaving DNAzymes with activity at 90 degrees C has yielded a diverse spool of selected sequences. The RNA cleavage efficiency was found in all cases to be specific for Zn(2+) over Pb(2+), Ca(2+), Cd(2+), Co(2+), Hg(2+), and Mg(2+). The Zn(2+)-dependent activity assay of the ...

journal_title：Journal of molecular evolution

authors： Nelson KE,Bruesehoff PJ,Lu Y

更新日期：2005-08-01 00:00:00

abstract：:Using gene genealogies constructed from gene sequence data, we show that both the mucosal and cutaneous papillomaviruses (PV)-supergroups A and B-appear to have been transmitted through susceptible populations faster than exponentially. The data and methods involved (1) examining the PV database for phylogenetic signa...

journal_title：Journal of molecular evolution

authors： Ong CK,Nee S,Rambaut A,Bernard HU,Harvey PH

更新日期：1997-02-01 00:00:00

abstract：:L1 elements are retrotransposons that have been replicating and evolving in mammalian genomes since before the mammalian radiation. Rattus norvegicus shares the young L1mlvi2 clade only with its sister taxon, Rattus cf moluccarius. Here we compared the L1mlvi2 clade in these recently diverged species and found that it...

journal_title：Journal of molecular evolution

authors： Cabot EL,Angeletti B,Usdin K,Furano AV

更新日期：1997-10-01 00:00:00