abstract：BACKGROUND:Patterns of genetic diversity between and within natural plant populations and their driving forces are of great interest in evolutionary biology. However, few studies have been performed on the genetic structure and population divergence in wild emmer wheat using a large number of EST-related single nucleot...

journal_title：BMC evolutionary biology

authors： Ren J,Chen L,Sun D,You FM,Wang J,Peng Y,Nevo E,Beiles A,Sun D,Luo MC,Peng J

更新日期：2013-08-13 00:00:00

abstract：BACKGROUND:Synonymous or silent mutations are usually thought to evolve neutrally. However, accumulating recent evidence has demonstrated that silent mutations may destabilize RNA structures or disrupt cis regulatory motifs superimposed on coding sequences. Such observations suggest the existence of stretches of codon ...

journal_title：BMC evolutionary biology

authors： Mayrose I,Stern A,Burdelova EO,Sabo Y,Laham-Karam N,Zamostiano R,Bacharach E,Pupko T

更新日期：2013-08-04 00:00:00

abstract：BACKGROUND:Fiddler crabs, genus Uca, are classic examples of how intense sexual selection can produce exaggerated male traits. Throughout the genus the enlarged "major" cheliped (claw) of the male fiddler crab is used both as a signal for attracting females and as a weapon for combat with other males. However, the morp...

journal_title：BMC evolutionary biology

authors： Swanson BO,George MN,Anderson SP,Christy JH

更新日期：2013-07-15 00:00:00

abstract：BACKGROUND:Histone modification is an epigenetic mechanism that influences gene regulation in eukaryotes. In particular, histone modifications in CpG islands (CGIs) are associated with different chromatin states and with transcription activity. Changes in gene expression play a crucial role in adaptation and evolution....

journal_title：BMC evolutionary biology

authors： Akhtar MM,Scala G,Cocozza S,Miele G,Monticelli A

更新日期：2013-07-10 00:00:00

abstract：BACKGROUND:Clear examples of ecological speciation exist, often involving divergence in trophic morphology. However, substantial variation also exists in how far the ecological speciation process proceeds, potentially linked to the number of ecological axes, traits, or genes subject to divergent selection. In addition,...

journal_title：BMC evolutionary biology

authors： Roy D,Seehausen O,Nosil P

更新日期：2013-07-03 00:00:00

abstract：BACKGROUND:Hepatitis B virus (HBV) is an important infectious agent that causes widespread concern because billions of people are infected by at least 8 different HBV genotypes worldwide. However, reconstruction of the phylogenetic relationship between HBV genotypes is difficult. Specifically, the phylogenetic relation...

journal_title：BMC evolutionary biology

authors： Jiang Y,Wang M,Zheng H,Wang WR,Jin L,He Y

更新日期：2013-06-11 00:00:00

abstract：BACKGROUND:Remipedia were initially seen as a primitive taxon within Pancrustacea based on characters considered ancestral, such as the homonomously segmented trunk. Meanwhile, several morphological and molecular studies proposed a more derived position of Remipedia within Pancrustacea, including a sister group relatio...

journal_title：BMC evolutionary biology

authors： Stemme T,Iliffe TM,von Reumont BM,Koenemann S,Harzsch S,Bicker G

更新日期：2013-06-10 00:00:00

abstract：BACKGROUND:The var genes of the human malaria parasite Plasmodium falciparum are highly polymorphic loci coding for the erythrocyte membrane proteins 1 (PfEMP1), which are responsible for the cytoaherence of P. falciparum infected red blood cells to the human vasculature. Cytoadhesion, coupled with differential express...

journal_title：BMC evolutionary biology

authors： Zilversmit MM,Chase EK,Chen DS,Awadalla P,Day KP,McVean G

更新日期：2013-05-31 00:00:00

abstract：BACKGROUND:Retrotransposons have been suggested to provide a substrate for non-allelic homologous recombination (NAHR) and thereby promote gene family expansion. Their precise role, however, is controversial. Here we ask whether retrotransposons contributed to the recent expansions of the Androgen-binding protein (Abp)...

journal_title：BMC evolutionary biology

authors： Janoušek V,Karn RC,Laukaitis CM

更新日期：2013-05-29 00:00:00

abstract：BACKGROUND:Understanding the evolution of species limits is important in ecology, evolution, and conservation biology. Despite its likely importance in the evolution of these limits, little is known about phenotypic covariance in geographically marginal populations, and the degree to which it constrains, or facilitates...

journal_title：BMC evolutionary biology

authors： Caley MJ,Cripps E,Game ET

更新日期：2013-05-28 00:00:00

abstract：BACKGROUND:PHOSPHATE1 (PHO1) gene family members have diverse roles in plant growth and development, and they have been studied in Arabidopsis, rice, and Physcomitrella. However, it has yet to be described in other plants. Therefore, we surveyed the evolutionary patterns of genomes within the plant PHO1 gene family, fo...

journal_title：BMC evolutionary biology

authors： He L,Zhao M,Wang Y,Gai J,He C

更新日期：2013-05-24 00:00:00

abstract：BACKGROUND:The extant squamates (>9400 known species of lizards and snakes) are one of the most diverse and conspicuous radiations of terrestrial vertebrates, but no studies have attempted to reconstruct a phylogeny for the group with large-scale taxon sampling. Such an estimate is invaluable for comparative evolutiona...

journal_title：BMC evolutionary biology

authors： Pyron RA,Burbrink FT,Wiens JJ

更新日期：2013-04-29 00:00:00

abstract：BACKGROUND:Early evolutionary theories of aging predict that populations which experience low extrinsic mortality evolve a retarded onset of senescence. Experimental support for this theory in vertebrates is scarce, in part for the difficulty of quantifying extrinsic mortality and its condition- and density-dependent c...

journal_title：BMC evolutionary biology

authors： Tozzini ET,Dorn A,Ng'oma E,Polačik M,Blažek R,Reichwald K,Petzold A,Watters B,Reichard M,Cellerino A

更新日期：2013-04-03 00:00:00

abstract：BACKGROUND:The currently recognized species richness of South American salamanders is surprisingly low compared to North and Central America. In part, this low richness may be due to the salamanders being a recent arrival to South America. Additionally, the number of South American salamander species may be underestima...

journal_title：BMC evolutionary biology

authors： Elmer KR,Bonett RM,Wake DB,Lougheed SC

更新日期：2013-03-04 00:00:00

abstract：BACKGROUND:The acquisition of complex transcriptional regulatory abilities and epigenetic machinery facilitated the transition of the ancestor of apicomplexans from a free-living organism to an obligate parasite. The ability to control sophisticated gene expression patterns enabled these ancient organisms to evolve sev...

journal_title：BMC evolutionary biology

authors： Kishore SP,Stiller JW,Deitsch KW

更新日期：2013-02-11 00:00:00

abstract：BACKGROUND:Many species with sexual and asexual variants show a pattern of geographic parthenogenesis where asexuals have broader and higher-latitude distribution than sexuals. Because sexual reproduction is often considered a costly evolutionary strategy that is advantageous in the face of selection by coevolving pest...

journal_title：BMC evolutionary biology

authors： Verhoeven KJ,Biere A

更新日期：2013-01-28 00:00:00

abstract：BACKGROUND:Integron systems are now recognized as important agents of bacterial evolution and are prevalent in most environments. One of the human pathogens known to harbor chromosomal integrons, the Treponema spirochetes are the only clade among spirochete species found to carry integrons. With the recent release of m...

journal_title：BMC evolutionary biology

authors： Wu YW,Doak TG,Ye Y

更新日期：2013-01-22 00:00:00

abstract：BACKGROUND:The enzyme phosphoenolpyruvate carboxykinase, PEPCK, occurs in its guanosine-nucleotide-using form in animals and a few prokaryotes. We study its natural genetic variation in Colias (Lepidoptera, Pieridae). PEPCK offers a route, alternative to pyruvate kinase, for carbon skeletons to move between cytosolic g...

journal_title：BMC evolutionary biology

authors： Watt WB,Hudson RR,Wang B,Wang E

更新日期：2013-01-12 00:00:00

abstract：BACKGROUND:Proteomes of thermophilic prokaryotes have been instrumental in structural biology and successfully exploited in biotechnology, however many proteins required for eukaryotic cell function are absent from bacteria or archaea. With Chaetomium thermophilum, Thielavia terrestris and Thielavia heterothallica thre...

journal_title：BMC evolutionary biology

authors： van Noort V,Bradatsch B,Arumugam M,Amlacher S,Bange G,Creevey C,Falk S,Mende DR,Sinning I,Hurt E,Bork P

更新日期：2013-01-10 00:00:00

abstract：BACKGROUND:Zona pellucida domain-containing proteins (ZP proteins) have been identified as the principle constituents of the egg coat (EC) of diverse metazoan taxa, including jawed vertebrates, urochordates and molluscs that span hundreds of millions of years of evolutionary divergence. Although ZP proteins generally c...

journal_title：BMC evolutionary biology

authors： Xu Q,Li G,Cao L,Wang Z,Ye H,Chen X,Yang X,Wang Y,Chen L

更新日期：2012-12-08 00:00:00

abstract：BACKGROUND:Cyanobacteria are photoautotrophic prokaryotes with wide variations in genome sizes and ecological habitats. Peroxiredoxin (PRX) is an important protein that plays essential roles in protecting own cells against reactive oxygen species (ROS). PRXs have been identified from mammals, fungi and higher plants. H...

journal_title：BMC evolutionary biology

authors： Cui H,Wang Y,Wang Y,Qin S

更新日期：2012-11-16 00:00:00

abstract：BACKGROUND:The sequencing of the genome of the pea aphid Acyrthosiphon pisum revealed an unusual expansion of the miRNA machinery, with two argonaute-1, two dicer-1 and four pasha gene copies. In this report, we have undertaken a deeper evolutionary analysis of the phylogenetic timing of these gene duplications and of ...

journal_title：BMC evolutionary biology

authors： Ortiz-Rivas B,Jaubert-Possamai S,Tanguy S,Gauthier JP,Tagu D,Claude R

更新日期：2012-11-12 00:00:00

abstract：BACKGROUND:The Visayan Tarictic Hornbill (Penelopides panini) and the Walden's Hornbill (Aceros waldeni) are two threatened hornbill species endemic to the western islands of the Visayas that constitute - between Luzon and Mindanao - the central island group of the Philippine archipelago. In order to evaluate their gen...

journal_title：BMC evolutionary biology

authors： Sammler S,Ketmaier V,Havenstein K,Krause U,Curio E,Tiedemann R

更新日期：2012-10-12 00:00:00

abstract：BACKGROUND:Species are considered the fundamental unit in many ecological and evolutionary analyses, yet accurate, complete, accessible taxonomic frameworks with which to identify them are often unavailable to researchers. In such cases DNA sequence-based species delimitation has been proposed as a means of estimating ...

journal_title：BMC evolutionary biology

authors： Reid NM,Carstens BC

更新日期：2012-10-02 00:00:00

abstract：BACKGROUND:The fern genus Dryopteris (Dryopteridaceae) is among the most common and species rich fern genera in temperate forests in the northern hemisphere containing 225-300 species worldwide. The circumscription of Dryopteris has been controversial and various related genera have, over the time, been included in and...

journal_title：BMC evolutionary biology

authors： Zhang LB,Zhang L,Dong SY,Sessa EB,Gao XF,Ebihara A

更新日期：2012-09-13 00:00:00

abstract：BACKGROUND:Remipedia, a group of homonomously segmented, cave-dwelling, eyeless arthropods have been regarded as basal crustaceans in most early morphological and taxonomic studies. However, molecular sequence information together with the discovery of a highly differentiated brain led to a reconsideration of their phy...

journal_title：BMC evolutionary biology

authors： Stemme T,Iliffe TM,Bicker G,Harzsch S,Koenemann S

更新日期：2012-09-05 00:00:00

abstract：BACKGROUND:The highly conserved bHLH (basic Helix-Loop-Helix) domain, found in many transcription factors, has been well characterized separately in Plants, Animals, and Fungi. While conserved, even functionally constrained sites have varied since the Eukarya split. Our research identifies those slightly variable sites...

journal_title：BMC evolutionary biology

authors： Sailsbery JK,Dean RA

更新日期：2012-08-24 00:00:00

abstract：BACKGROUND:Four of the five species of Telopea (Proteaceae) are distributed in a latitudinal replacement pattern on the south-eastern Australian mainland. In similar circumstances, a simple allopatric speciation model that identifies the origins of genetic isolation within temporal geographic separation is considered a...

journal_title：BMC evolutionary biology

authors： Rossetto M,Allen CB,Thurlby KA,Weston PH,Milner ML

更新日期：2012-08-20 00:00:00

abstract：BACKGROUND:Proteins of the mammalian PYHIN (IFI200/HIN-200) family are involved in defence against infection through recognition of foreign DNA. The family member absent in melanoma 2 (AIM2) binds cytosolic DNA via its HIN domain and initiates inflammasome formation via its pyrin domain. AIM2 lies within a cluster of r...

journal_title：BMC evolutionary biology

authors： Cridland JA,Curley EZ,Wykes MN,Schroder K,Sweet MJ,Roberts TL,Ragan MA,Kassahn KS,Stacey KJ

更新日期：2012-08-07 00:00:00

abstract：BACKGROUND:Gene duplication and subsequent functional divergence especially expression divergence have been widely considered as main sources for evolutionary innovations. Many studies evidenced that genetic regulatory network evolved rapidly shortly after gene duplication, thus leading to accelerated expression diverg...

journal_title：BMC evolutionary biology

authors： Zou Y,Su Z,Huang W,Gu X

更新日期：2012-07-09 00:00:00

abstract：BACKGROUND:Asparagine N-Glycosylation is one of the most important forms of protein post-translational modification in eukaryotes. This metabolic pathway can be subdivided into two parts: an upstream sub-pathway required for achieving proper folding for most of the proteins synthesized in the secretory pathway, and a d...

journal_title：BMC evolutionary biology

authors： Dall'Olio GM,Laayouni H,Luisi P,Sikora M,Montanucci L,Bertranpetit J

更新日期：2012-06-25 00:00:00

abstract：BACKGROUND:Dynactin is a large multisubunit protein complex that enhances the processivity of cytoplasmic dynein and acts as an adapter between dynein and the cargo. It is composed of eleven different polypeptides of which eight are unique to this complex, namely dynactin1 (p150(Glued)), dynactin2 (p50 or dynamitin), d...

journal_title：BMC evolutionary biology

authors： Hammesfahr B,Kollmar M

更新日期：2012-06-22 00:00:00

abstract：BACKGROUND:Development of phylogenetic methods that do not rely on fossils for the study of evolutionary processes through time have revolutionized the field of evolutionary biology and resulted in an unprecedented expansion of our knowledge about the tree of life. These methods have helped to shed light on the macroev...

journal_title：BMC evolutionary biology

authors： Fabre PH,Hautier L,Dimitrov D,Douzery EJ

更新日期：2012-06-14 00:00:00

abstract：BACKGROUND:Horizontal gene transfer (HGT) has greatly impacted the genealogical history of many lineages, particularly for prokaryotes, with genes frequently moving in and out of a line of descent. Many genes that were acquired by a lineage in the past likely originated from ancestral relatives that have since gone ext...

journal_title：BMC evolutionary biology

authors： Andam CP,Harlow TJ,Papke RT,Gogarten JP

更新日期：2012-06-13 00:00:00

abstract：BACKGROUND:Factors promoting the emergence of sharp phylogeographic breaks include restricted dispersal, habitat discontinuity, physical barriers, disruptive selection, mating incompatibility, genetic surfing and secondary contact. Disentangling the role of each in any particular system can be difficult, especially whe...

journal_title：BMC evolutionary biology

authors： Neiva J,Pearson GA,Valero M,Serrão EA

更新日期：2012-06-06 00:00:00

abstract：BACKGROUND:The chloroplast genes matK and rbcL have been proposed as a "core" DNA barcode for identifying plant species. Published estimates of successful species identification using these loci (70-80%) may be inflated because they may have involved comparisons among distantly related species within target genera. To ...

journal_title：BMC evolutionary biology

authors： Clement WL,Donoghue MJ

更新日期：2012-05-30 00:00:00

abstract：BACKGROUND:The APOBEC3 (A3) genes play a key role in innate antiviral defense in mammals by introducing directed mutations in the DNA. The human genome encodes for seven A3 genes, with multiple splice alternatives. Different A3 proteins display different substrate specificity, but the very basic question on how discern...

journal_title：BMC evolutionary biology

authors： Münk C,Willemsen A,Bravo IG

更新日期：2012-05-28 00:00:00

abstract：BACKGROUND:Recent studies highlighted the role of Pleistocene climatic cycles in polyploid speciation and of southern Alpine refugia as reservoirs of diversity during glacial maxima. The polyploid Primula marginata, endemic to the southwestern Alps, includes both hexaploid and dodecaploid cytotypes that show no ecologi...

journal_title：BMC evolutionary biology

authors： Casazza G,Granato L,Minuto L,Conti E

更新日期：2012-04-24 00:00:00

abstract：BACKGROUND:Xenarthra (sloths, armadillos and anteaters) represent one of four currently recognized Eutherian mammal supraorders. Some phylogenomic studies point to the possibility of Xenarthra being at the base of the Eutherian tree, together or not with the supraorder Afrotheria. We performed painting with human autos...

journal_title：BMC evolutionary biology

authors： Azevedo NF,Svartman M,Manchester A,de Moraes-Barros N,Stanyon R,Vianna-Morgante AM

更新日期：2012-03-19 00:00:00

abstract：BACKGROUND:Cardiolipin (CL) is an important component in mitochondrial inner and bacterial membranes. Its appearance in these two biomembranes has been considered as evidence of the endosymbiotic origin of mitochondria. But CL was reported to be synthesized through two distinct enzymes--CLS_cap and CLS_pld in eukaryote...

journal_title：BMC evolutionary biology

authors： Tian HF,Feng JM,Wen JF

更新日期：2012-03-13 00:00:00