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BMC Evolutionary Biology
ISSN 1471-2148 · BMC · 3.034 artikel di indeks
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Artikel Jurnal
An enigmatic translocation of the vertebrate primordial eye field
Abstract The primordial eye field of the vertebrate embryo is a single entity of retinal progenitor cells spanning the anterior neural plate before bifurcating to form bilateral optic vesicles. Here we review fate mapping data from zebrafish suggesting that prior to evagination of the optic…
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Artikel Jurnal
Macroevolutionary bursts and constraints generate a rainbow in a clade of tropical birds
Abstract Background Bird plumage exhibits a diversity of colors that serve functional roles ranging from signaling to camouflage and thermoregulation. However, birds must maintain a balance between evolving colorful signals to attract mates, minimizing conspicuousness to predators, and optimizing…
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Artikel Jurnal
Phenotypic coupling of sleep and starvation resistance evolves in D. melanogaster
Abstract Background One hypothesis for the function of sleep is that it serves as a mechanism to conserve energy. Recent studies have suggested that increased sleep can be an adaptive mechanism to improve survival under food deprivation in Drosophila melanogaster. To test the generality of this…
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Artikel Jurnal
Potential causes and consequences of rapid mitochondrial genome evolution in thermoacidophilic Galdieria (Rhodophyta)
Abstract Background The Cyanidiophyceae is an early-diverged red algal class that thrives in extreme conditions around acidic hot springs. Although this lineage has been highlighted as a model for understanding the biology of extremophilic eukaryotes, little is known about the molecular evolution…
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Artikel Jurnal
Migration of Sogatella furcifera between the Greater Mekong Subregion and northern China revealed by mtDNA and SNP
Abstract Background The white-backed planthopper (WBPH), Sogatella furcifera (Horváth) (Hemiptera, Delphacidae), is a migratory pest of rice in Asia. Shandong Province, in northern China, is located on the migration pathway of WBPH between southern and northeast China. The potential sources of WBPH…
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Artikel Jurnal
The origins of dengue and chikungunya viruses in Ecuador following increased migration from Venezuela and Colombia
Abstract Background In recent years, Ecuador and other South American countries have experienced an increase in arboviral diseases. A rise in dengue infections was followed by introductions of chikungunya and Zika, two viruses never before seen in many of these areas. Furthermore, the latest…
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Artikel Jurnal
A single mutation in the ACTR8 gene associated with lineage-specific expression in primates
Abstract Background Alternative splicing (AS) generates various transcripts from a single gene and thus plays a significant role in transcriptomic diversity and proteomic complexity. Alu elements are primate-specific transposable elements (TEs) and can provide a donor or acceptor site for AS. In a…
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Artikel Jurnal
Phylogeography and genetic diversity of the copepod family Cyclopidae (Crustacea: Cyclopoida) from freshwater ecosystems of Southeast Nigeria
Abstract Background Copepods are key components of aquatic ecosystems and can help regulate the global carbon cycle. Much attention has been paid to the species diversity of copepods worldwide, but the phylogeography and genetic diversity of copepods in Nigeria is unexplored. Results Using a…
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Artikel Jurnal
Divergent genes in gerbils: prevalence, relation to GC-biased substitution, and phenotypic relevance
Abstract Background Two gerbil species, sand rat (Psammomys obesus) and Mongolian jird (Meriones unguiculatus), can become obese and show signs of metabolic dysregulation when maintained on standard laboratory diets. The genetic basis of this phenotype is unknown. Recently, genome sequencing has…
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Artikel Jurnal
Seascape genomics reveals population isolation in the reef-building honeycomb worm, Sabellaria alveolata (L.)
Abstract Background Under the threat of climate change populations can disperse, acclimatise or evolve in order to avoid fitness loss. In light of this, it is important to understand neutral gene flow patterns as a measure of dispersal potential, but also adaptive genetic variation as a measure of…
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Artikel Jurnal
Phylogeographic history of flat periwinkles, Littorina fabalis and L. obtusata
Abstract Background The flat periwinkles, Littorina fabalis and L. obtusata, are two sister species widely distributed throughout the Northern Atlantic shores with high potential to inform us about the process of ecological speciation in the intertidal. However, whether gene flow has occurred…
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Artikel Jurnal
The modular nature of protein evolution: domain rearrangement rates across eukaryotic life
Abstract Background Modularity is important for evolutionary innovation. The recombination of existing units to form larger complexes with new functionalities spares the need to create novel elements from scratch. In proteins, this principle can be observed at the level of protein domains…
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Artikel Jurnal
Mitochondrial DNAs provide insight into trypanosome phylogeny and molecular evolution
Abstract Background Trypanosomes are single-celled eukaryotic parasites characterised by the unique biology of their mitochondrial DNA. African livestock trypanosomes impose a major burden on agriculture across sub-Saharan Africa, but are poorly understood compared to those that cause sleeping…
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Artikel Jurnal
The complete mitochondrial genome of Taxus cuspidata (Taxaceae): eight protein-coding genes have transferred to the nuclear genome
Abstract Background Gymnosperms represent five of the six lineages of seed plants. However, most sequenced plant mitochondrial genomes (mitogenomes) have been generated for angiosperms, whereas mitogenomic sequences have been generated for only six gymnosperms. In particular, complete mitogenomes…
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Artikel Jurnal
Positive selection alone is sufficient for whole genome differentiation at the early stage of speciation process in the fall armyworm
Abstract Background The process of speciation involves differentiation of whole genome sequences between a pair of diverging taxa. In the absence of a geographic barrier and in the presence of gene flow, genomic differentiation may occur when the homogenizing effect of recombination is overcome…
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Artikel Jurnal
Phylogenetic and spatial distribution of evolutionary diversification, isolation, and threat in turtles and crocodilians (non-avian archosauromorphs)
Abstract Background The origin of turtles and crocodiles and their easily recognized body forms dates to the Triassic and Jurassic. Despite their long-term success, extant species diversity is low, and endangerment is extremely high compared to other terrestrial vertebrate groups, with ~ 65% of ~…
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Artikel Jurnal
One species, two developmental modes: a case of geographic poecilogony in marine gastropods
Abstract Background Poecilogony, the presence of two developmental modes in the same animal species, is a rare phenomenon. Few cases of poecilogony have been suggested for marine invertebrates including molluscs and even less stood extensive testing, mostly revealing a species pair with differing…
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Artikel Jurnal
Meiotic recombination in the offspring of Microbotryum hybrids and its impact on pathogenicity
Abstract Background Hybridization is a central mechanism in evolution, producing new species or introducing important genetic variation into existing species. In plant-pathogenic fungi, adaptation and specialization to exploit a host species are key determinants of evolutionary success. Here, we…
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Artikel Jurnal
Molecular evolutionary and structural analysis of human UCHL1 gene demonstrates the relevant role of intragenic epistasis in Parkinson’s disease and other neurological disorders
Abstract Background Parkinson’s disease (PD) is the second most common neurodegenerative disorder. PD associated human UCHL1 (Ubiquitin C-terminal hydrolase L1) gene belongs to the family of deubiquitinases and is known to be highly expressed in neurons (1–2% in soluble form). Several functions of…
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Artikel Jurnal
Frequent birth-and-death events throughout perforin-1 evolution
Abstract Background Through its ability to open pores in cell membranes, perforin-1 plays a key role in the immune system. Consistent with this role, the gene encoding perforin shows hallmarks of complex evolutionary events, including amplification and pseudogenization, in multiple species. A large…
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