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Molecular evolution


Tìm thấy 17+ kết quả cho từ khóa "Molecular evolution"

What lies beneath? Molecular evolution during the radiation of caecilian amphibians

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Valuable insights into the molecular evolution of cae- cilians can be extracted from the functional annotations of the genes bearing signatures of positive selection.

New Research Demolishes Evolution

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One of the leading authorities of the theory of molecular evolution, the Russian evolutionist Alexander I. Unfortunately, the origin of the cell remains a question which is actually the darkest point of the complete evolution theory. It was discovered that the early atmosphere was very unsupportive of the formation of organic molecules.. The theory of evolution has been unable to provide a coherent explanation for the origin of the molecules that are the basis of the cell.

The complete chloroplast genome of Stauntonia chinensis and compared analysis revealed adaptive evolution of subfamily Lardizabaloideae species in China

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Chloroplast genomes: diversity, evolution, and applications in genetic engineering. Complete chloroplast genome of Sedum sarmentosum and chloroplast genome evolution in Saxifragales. Complete chloroplast genome of Nicotiana otophora and its comparison with related species. Rates of molecular evolution and diversification in plants: chloroplast substitution rates correlate with species-richness in the Proteaceae.

Diel rewiring and positive selection of ancient plant proteins enabled evolution of CAM photosynthesis in Agave

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ancient plant proteins enabled evolution of CAM photosynthesis in Agave. Results: Using an approach that integrated genomics, gene co-expression networks, comparative genomics and protein structure analyses, we investigated the molecular evolution of CAM as exemplified in Agave.

Comparison of the Chinese bamboo partridge and red Junglefowl genome sequences highlights the importance of demography in genome evolution

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Our genome-level analyses of molecular evolution, even when controlling for sources of error, supported elevated dN/dS in Bambusicola (Fig. We also found increased levels of episodic positive selection in Bambusicola with respect to Gallus, which was, in contrast to the elevated dN/dS results, consistent with predictions for a lower N e in Gallus.

Freeland - Molecular Ecology (Wiley, 2005) - Chapter 5

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By dividing the estimated time since the lineages diverged by the amount of sequence divergence that has since taken place, we obtain an estimate of the rate at which molecular evolution is occurring, in ohter words the rate at which the molecular clock is ticking.

Disequilibrium evolution of the Fructose1,6-bisphosphatase gene family leads to their functional biodiversity in Gossypium species

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NAC family genes in the A t and D t subgenomes displayed asymmetric molecular evolution in terms of gene loss rates, evolutionary rates, and expression levels [54].

Evolution of Fusarium tricinctum and Fusarium avenaceum mitochondrial genomes is driven by mobility of introns and of a new type of palindromic microsatellite repeats

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To date, nothing is known about their putative role (e.g., in the molecular evolution of mitochondrial genomes, the MtDNA replication or the regulation of the expression of genes). avenaceum MtDNAs are close to the sizes reported for 61 strains of the FOSC, ranging between 38.7 kb in F. verticillioides (53.7 kb) of the FFSC [18]. Species of the FSAMSC have considerably larger MtDNAs [31, 32], in the range of 93.4 kp for Fusarium gerlachii (GenBank accession number KM486533) to 103.8 kb for F.

Genetic diversity, evolution and selection in the major histocompatibility complex DRB and DQB loci in the family Equidae

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Comparative genomics of the MHC: glimpses into the evolution of the adaptive immune system. Natural history of the major Histocompatability complex. Sequence organisation of the class II region of the human MHC. Polymorphism and selection in the major histocompatibility complex DRA and DQA genes in the family Equidae. Adaptive molecular evolution of the major histocompatibility complex genes, DRA and DQA, in the genus Equus. Mitochondrial DNA insertions in the nuclear horse genome.

Genomic analysis of the four ecologically distinct cactus host populations of Drosophila mojavensis

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The negative association between intron number and rate of molecular evolution has been pre- viously suggested to be due to the presence of exonic splice site enhancers which help in the correct re- moval of introns from the transcription sequence. The correlation between gene length and rate of molecular evolution could also be explained as a re- sult of the increased level of interactions between sites of larger exons [61].

Transcriptomics reveal the molecular underpinnings of chemosensory proteins in Chlorops oryzae

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BMC Genomics. age influences the olfactory profiles of the migratory oriental armyworm mythimna separate at the molecular level.. BMC Genomics Page 10 of 12. Molecular evolution of the insect chemoreceptor gene superfamily in Drosophila melanogaster. Genome of the house fly, Musca domestica L., a global vector of diseases with adaptations to a septic environment. Chemosensory genes identified in the antennal transcriptome of the blowfly Calliphora stygia.

Comparative genomic analysis of eutherian fibroblast growth factor genes

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Fibroblast growth factors: from molecular evolution to roles in development, metabolism and disease

Analysis of six chloroplast genomes provides insight into the evolution of Chrysosplenium (Saxifragaceae)

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Genetic recombination: patterns in the genome. the evolution of the plastid chromosome in land plants: gene content, gene order, gene function. RNA-binding activity of the matK protein encodecd by the chloroplast trnk intron from mustard ( Sinapis alba L. Molecular evolution and phylogeny of the angiosperm ycf2 gene. The complete chloroplast genome of the Jerusalem artichoke ( Helianthus tuberosus L.) and an adaptive. evolutionary analysis of the ycf2 gene.

Adaptive genomic evolution of opsins reveals that early mammals flourished in nocturnal environments

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The role of gene duplication and unconstrained selective pressures in the melanopsin gene family evolution and vertebrate circadian rhythm regulation. Accuracy and power of the likelihood ratio test in detecting adaptive molecular evolution. Spectral tuning in the mammalian short-wavelength sensitive cone pigments. Predictors of orbital convergence in primates: a test of the snake detection hypothesis of primate evolution. Nonvisual photoreceptors of the deep brain, pineal organs and retina.

The Xylella fastidosa RTX operons: Evidence for the evolution of protein mosaics through novel genetic exchanges

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Mosaic structure and molecular evolution of the leukotoxin operon (lktCABD) in Mannheimia (Pasteurella) haemolytica, Mannheimia glucosida, and Pasteurella trehalosi. Sequence diversity and molecular evolution of the Leukotoxin (lktA) gene in bovine and ovine strains of Mannheimia (Pasteurella) haemolytica. Evidence for insertion sequence-mediated spread of the thermostable direct hemolysin gene among Vibrio species

Analysis of the genome of the New Zealand giant collembolan (Holacanthella duospinosa) sheds light on hexapod evolution

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Evolution of the gene lineage encoding the carbon dioxide receptor in insects. Molecular evolution of the insect chemoreceptor gene superfamily in Drosophila Melanogaster. The chemoreceptor genes of the waterflea Daphnia Pulex: many grs but no Ors. Domain organization and phylogenetic analysis of the chitinase-like family of proteins in three species of insects. Chitinase-like proteins encoded in the genome of the pea aphid, Acyrthosiphon Pisum.

Global assessment of organ specific basal gene expression over a diurnal cycle with analyses of gene copies exhibiting cyclic expression patterns

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However, characterizing how the gene duplicates behave differently is significant to study molecular evolution of particular gene families, and within the scope of the presented study, the fate of cyclic genes following the TGD event.

Molecular evolution and expression of opsin genes in Hydra vulgaris

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Molecular characterization of the Drosophila trp locus:. Evolution of the mammalian family G protein α subunit multigene family.

Mitochondrial genome in Hypsizygus marmoreus and its evolution in Dikarya

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Molecular evolution of the mtDNA encoded rps3 gene among filamentous Ascomycetes Fungi with an emphasis on the Ophiostomatoid Fungi. The eukaryotic translation initiation factors eIF1 and eIF1A induce an open conformation of the 40S ribosome. Rapid evolution of male reproductive genes in the descent of man. Global biogeography of the ectomycorrhizal /sebacina lineage (Fungi, Sebacinales) as revealed from comparative phylogenetic analyses.

Integrated miRNA and transcriptome profiling to explore the molecular determinism of convergent adaptation to corn in two lepidopteran pests of agriculture

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Molecular evolution and expression of the CRAL_TRIO protein family in insects. doi.org/10.1016/j.ibmb . https://doi.org/10.1073/pnas . https://doi.org/10.7554/. https://doi.org .