Search Results - "common ancestor"
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The diversity of Class II transposable elements in mammalian genomes has arisen from ancestral phylogenetic splits during ancient waves of proliferation through the genome
Published 2012“…We answer this question by tracing back to the most recent common ancestor of each modern transposon family, using two different methods. …”
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The Ancient Origins of Neural Substrates for Land Walking
Published 2018“…We show that the neural substrates of bipedalism are present in the little skate Leucoraja erinacea, whose common ancestor with tetrapods existed ~420 million years ago. …”
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Transformation of tobacco (nicotiana tabacum) with the oil palm cinnamyl alcohol dehydrogenase 1 (CAD1) gene
Published 2015“…The oil palm CAD1 shares a common ancestor with their counterparts in the angiosperm and gymnosperm lineages. …”
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Phylogeography of Indo-Pacific reef fishes: Sister wrasses Coris gaimard and C. cuvieri in the Red Sea, Indian Ocean and Pacific Ocean
Published 2016“…Time to most recent common ancestor is c. 2.12 Ma for C. cuvieri and 1.76 Ma for C. gaimard. …”
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Evidence for a single loss of mineralized teeth in the common avian ancestor
Published 2014“…We performed comparative genomic analyses representing lineages of nearly all extant bird orders and recovered shared, inactivating mutations within genes expressed in both the enamel and dentin of teeth of other vertebrate species, indicating that the common ancestor of modern birds lacked mineralized teeth. …”
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Molecular phylogeny supports the paraphyletic nature of the genus Trogoderma (Coleoptera: Dermestidae) collected in the Australasian ecozone.
Published 2012“…In addition, time to most recent common ancestor for a number of Dermestidae was calculated. …”
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Enhance efficiency of answering XML keyword query using incompact structure of MCCTree
Published 2012“…Many notions and techniques have been introduced especially to process query of information. Compact Lowest Common Ancestor (CLCA) and Maximal Compact Lowest Common Ancestor (MCLCA) implemented in algorithms named CGTreeGenerator and MCCTreeGenerator has been proven in returning an accurate result in answering XML keyword query. …”
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Comparative genomics analysis of escherichia coli: insight into its pathogenicity
Published 2022“…Most strains from the same locations in the phylogenetic analysis are found to be clustered together, and two of the local strains (INF13/18/A and INF191/17/A) share a common ancestor with the highly pathogenic strains that produce Shiga toxin (Al Ain and AR-0427), while the third local strain (INF32/16/A) shares a common ancestor with the non-pathogenic laboratory strain K-12 substr. …”
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Genetic variation estimated in three shorea species by the RAPD analysis
Published 1994“…The nucleotide divergences between these species are about 1.5 times the nucleotide diversities within the species, indicating that these species diverged from a common ancestor relatively recently.…”
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Analysis of the Sam50 translocase of excavate organisms supports evolution of divergent organelles from a common endosymbiotic event
Published 2013“…This information supports a mitochondriate eukaryotic common ancestor with a similarly evolved β-barrel insertase, which has continued to be conserved in degenerate mitochondria.…”
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A phylogenomic analysis of the role and timing of molecular adaptation in the aquatic transition of cetartiodactyl mammals
Published 2015“…We found positive selection in nine genes on the branch leading to the common ancestor of hippopotamus and whales, and 461 genes in cetaceans compared to 64 in hippopotamus. …”
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The evolution and diversity of TNF block haplotypes in European, Asian and Australian aboriginal populations
Published 2009“…Four to eight TNF block haplotypes exist across all ethnicities, and hence must pre-date the divergence of these populations from a common ancestor >160000 years ago. Some haplotypes are unique to isolated populations, but they do not contain unique SNP. …”
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Molecular phylogenetic and evolution of Malaysian primates with an emphasis on the phylogeography of Malaysia Bornean Proboscis Monkey (Nasalis larvatus)
Published 2015“…The divergence date analysis support for an origin of crown primates at 76.1 Mya during the Late Cretaceous period, whereby the crown haplorhines are estimated to have originated 69.5 Mya shortly after the occurrence of crown primates. The most recent common ancestor of the living catarrhines was estimated to have lived 29.2 Mya, whereas crown Cercopithecoidea and Hominoidea were estimated to lived approximately 21.7 Mya and 16.4 Mya, respectively.…”
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Mitogenomic insights into a recently described and rarely observed killer whale morphotype
Published 2013“…The estimated divergence time (390,000 years ago) from its most recent common ancestor with other extant killer whale lineages was the second oldest split within the killer whale phylogeny. …”
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Genetic diversity of Gracilaria changii (Gracilariaceae, Rhodophyta) from west coast, Peninsular Malaysia based on mitochondrial cox1 gene analysis
Published 2011“…Results indicate that haplotype C1 is the common ancestor and the most widespread haplotype due to its prevalence in Morib, Gua Tanah, Middle Banks, Batu Besar, Batu Tengah, Sungai Pulai, and Kuala Sungai Merbok. …”
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Evolutionary trace analysis of a zinc metalloenzyme – alcohol dehydrogenase / Sakinah Jamil
Published 2012“…Partitions on the Cladogram were created to trace back to where the organisms branch off pointing to a common ancestor. Each partition was then split into smaller groups to identify similar species in the family. 29.8% of the residues in the first partition were fully conserved whilst another 47.8% of the active site residues were fully conserved.…”
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Genetic analysis of LIPL32 as the target gene in the development of biodiagnostic assays for leptospirosis
Published 2011“…Three field isolates obtained were shown to have their origin from a common ancestor. This study is believed to be the first investigation involving the complete /ipL32 gene among pathogenic species in the genus Leptospira.…”
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Genetic variations of Malaysian and golden thai strains of climbing perch and their hybrids based on the partial mitochondrial cytochrome oxidase subunit 1 gene
Published 2023“…The findings support the monophyletic status of the genus with only one haplogroup from which other haplotypes were descended and of a single common ancestor. The individual fishes’ phylogenetic relationships revealed two major clades and Saurida undosquamis as an outgroup. …”
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Document enrichment using semantic tags for effective XML retrieval
Published 2013“…The existing systems that support Content Only (CO) queries can be categorized into three. The Lowest Common Ancestor (LCA)-based, Query structuring systems and document Structure based systems. …”
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Ancestral sequence reconstruction of ancient lipase from family I.3 bacterial lipolytic enzymes
Published 2022“…Using ancestral sequence reconstruction (ASR) technique, the last universal common ancestor (LUCA) sequence of family I.3 was reconstructed. …”
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