Whole-genome expression plasticity across tropical and temperate Drosophila melanogaster populations from Eastern Australia.

abstract：:How is adaptability generated in a system composed of interacting cellular machineries, each with a separate and functionally critical job to perform? The machinery for organelle inheritance is precisely one such system, requiring coordination between robust and ancient cellular modules, including the cell cycle, cyto...

journal_title：Molecular biology and evolution

authors： Mast FD,Rachubinski RA,Dacks JB

更新日期：2012-03-01 00:00:00

abstract：:Parasites sometimes expand their host range by acquiring a new host species. After a host change event, the selective regime acting on a given parasite gene may change as a result of host-specific adaptive alterations of protein functionality or host-specific immune-mediated selection. We present a codon-based model t...

journal_title：Molecular biology and evolution

authors： Forsberg R,Christiansen FB

更新日期：2003-08-01 00:00:00

abstract：:Lineage-specific gene duplications contribute to a large variation in specialized metabolites among different plant species. There is also considerable variability in the specialized metabolites within a single plant species. However, it is unclear whether copy number variations (CNVs) derived from gene duplication ev...

journal_title：Molecular biology and evolution

authors： Shirai K,Matsuda F,Nakabayashi R,Okamoto M,Tanaka M,Fujimoto A,Shimizu M,Shinozaki K,Seki M,Saito K,Hanada K

更新日期：2017-12-01 00:00:00

abstract：:Previous studies on human mitochondrial genomes showed that the ratio of intra-specific diversities at nonsynonymous-to-synonymous positions was two to ten times higher than the ratio of interspecific divergences at these positions, suggesting an excess of slightly deleterious nonsynonymous polymorphisms. However, suc...

journal_title：Molecular biology and evolution

authors： Subramanian S

更新日期：2011-01-01 00:00:00

abstract：:The origin of novel traits is recognized as an important process underlying many major evolutionary radiations. We studied the genetic basis for the evolution of haustoria, the novel feeding organs of parasitic flowering plants, using comparative transcriptome sequencing in three species of Orobanchaceae. Around 180 g...

journal_title：Molecular biology and evolution

authors： Yang Z,Wafula EK,Honaas LA,Zhang H,Das M,Fernandez-Aparicio M,Huang K,Bandaranayake PC,Wu B,Der JP,Clarke CR,Ralph PE,Landherr L,Altman NS,Timko MP,Yoder JI,Westwood JH,dePamphilis CW

更新日期：2015-03-01 00:00:00

abstract：:To investigate DNA variation in natural plant populations, a 1.8-kb region of the acidic chitinase locus (ChiA)was analyzed for 17 ecotypes of Arabidopsis thaliana sampled worldwide and 3 Arabis species in Japan. As in the Adh region, dimorphism was detected throughout the investigated ChiA region, suggesting the poss...

journal_title：Molecular biology and evolution

authors： Kawabe A,Innan H,Terauchi R,Miyashita NT

更新日期：1997-12-01 00:00:00

abstract：:Protamines are small, highly basic DNA-binding proteins found in the sperm of animals. Interestingly, the proportion of arginine residues in one type of protamine, protamine P1, is about 50% in mammals. Upon closer examination, it was found that both the total number of amino acids and the positions of arginine residu...

journal_title：Molecular biology and evolution

authors： Rooney AP,Zhang J,Nei M

更新日期：2000-02-01 00:00:00

abstract：:Human histatins are a family of low-M(r), neutral to very basic, histidine-rich salivary polypeptides. They probably function as part of the nonimmune host defense system in the oral cavity. A 39-kb region of DNA containing the HIS1 and HIS2 genes was isolated from two human genomic phage libraries as a series of over...

journal_title：Molecular biology and evolution

authors： Sabatini LM,Ota T,Azen EA

更新日期：1993-05-01 00:00:00

abstract：:The emergence of islands has been linked to spectacular radiations of diverse organisms. Although penguins spend much of their lives at sea, they rely on land for nesting, and a high proportion of extant species are endemic to geologically young islands. Islands may thus have been crucial to the evolutionary diversifi...

journal_title：Molecular biology and evolution

authors： Cole TL,Ksepka DT,Mitchell KJ,Tennyson AJD,Thomas DB,Pan H,Zhang G,Rawlence NJ,Wood JR,Bover P,Bouzat JL,Cooper A,Fiddaman SR,Hart T,Miller G,Ryan PG,Shepherd LD,Wilmshurst JM,Waters JM

更新日期：2019-04-01 00:00:00

abstract：:Reticulate species evolution, such as hybridization or introgression, is relatively common in nature. In the presence of reticulation, species relationships can be captured by a rooted phylogenetic network, and orthologous gene evolution can be modeled as bifurcating gene trees embedded in the species network. We pres...

journal_title：Molecular biology and evolution

authors： Zhang C,Ogilvie HA,Drummond AJ,Stadler T

更新日期：2018-02-01 00:00:00

abstract：:Silks are strong protein fibers produced by a broad array of spiders and insects. The vast majority of known silks are large, repetitive proteins assembled into extended beta-sheet structures. Honeybees, however, have found a radically different evolutionary solution to the need for a building material. The 4 fibrous ...

journal_title：Molecular biology and evolution

authors： Sutherland TD,Weisman S,Trueman HE,Sriskantha A,Trueman JW,Haritos VS

更新日期：2007-11-01 00:00:00

abstract：:We have followed, in glucose-limited chemostats, the evolution of natural isolates of Escherichia coli possessing maximal growth rates of 0.48-1.43 doublings/h. Under these conditions a rapid-growth phenotype similar to that of standard laboratory wild-type strains was selected so that after 280 generations all of the...

journal_title：Molecular biology and evolution

authors： Mikkola R,Kurland CG

更新日期：1992-05-01 00:00:00

abstract：:Males and females often have marked phenotypic differences, and the expression of these dissimilarities invariably involves sex differences in gene expression. Sex-biased gene expression has been well characterized in animal species, where a high proportion of the genome may be differentially regulated in males and fe...

journal_title：Molecular biology and evolution

authors： Lipinska A,Cormier A,Luthringer R,Peters AF,Corre E,Gachon CM,Cock JM,Coelho SM

更新日期：2015-06-01 00:00:00

abstract：:Most of the well-characterized mitochondrial genomes from diverse green algal lineages are circular mapping DNA molecules; however, Chlamydomonas reinhardtii has a linear 15.8 kb unit mitochondrial genome with 580 or 581 bp inverted repeat ends. In mitochondrial-enriched fractions prepared from Polytomella parva (=P. ...

journal_title：Molecular biology and evolution

authors： Fan J,Lee RW

更新日期：2002-07-01 00:00:00

abstract：:Amino acid substitution matrices describe the rates by which amino acids are replaced during evolution. In contrast to nucleotide or codon models, amino acid substitution matrices are in general parameterless and empirically estimated, probably because there is no obvious parametrization for amino acid substitutions. ...

journal_title：Molecular biology and evolution

authors： Zoller S,Schneider A

更新日期：2013-02-01 00:00:00

abstract：:The selective constraints influencing mRNA editing in plant organelles are largely unknown. To investigate these, we compared patterns of editing between monocot and dicot mitochondrial mRNA. On average, 24% of sites that are edited form C to U in one species have been substituted during evolution by a genomic T in th...

journal_title：Molecular biology and evolution

authors： Shields DC,Wolfe KH

更新日期：1997-03-01 00:00:00

abstract：:Rearrangements of mitochondrial DNA gene order have been suggested as a tool for defining the pattern of evolutionary divergence in arthropod taxa. We have employed a combination of highly conserved insect-based polymerase chain reaction (PCR) primers with long-PCR to survey 14 noninsect arthropods for mitochondrial g...

journal_title：Molecular biology and evolution

authors： Roehrdanz RL,Degrugillier ME,Black WC 4th

更新日期：2002-06-01 00:00:00

abstract：:A correspondence analysis of codon usage in Xenopus laevis revealed that the first axis is strongly correlated with the base composition at third codon positions. The second axis discriminates between putatively highly expressed genes and the other coding sequences, with expression levels being confirmed by the analys...

journal_title：Molecular biology and evolution

authors： Musto H,Cruveiller S,D'Onofrio G,Romero H,Bernardi G

更新日期：2001-09-01 00:00:00

abstract：:Transfer RNA (tRNA) is essential for the translation of genetic information into proteins, and understanding its molecular evolution is important if we are to understand the genetic code. In general, long variable-arm (V-arm) structures form in tRNA(Leu), tRNA(Ser), and bacterial and organellar tRNA(Tyr). However, as ...

journal_title：Molecular biology and evolution

authors： Hamashima K,Tomita M,Kanai A

更新日期：2016-02-01 00:00:00

abstract：:The mutation rate of an organism is influenced by the interaction of evolutionary forces such as natural selection and genetic drift. However, the mutation spectrum (i.e., the frequency distribution of different types of mutations) can be heavily influenced by DNA repair. Using mutation-accumulation lines of the extre...

journal_title：Molecular biology and evolution

authors： Long H,Miller SF,Williams E,Lynch M

更新日期：2018-10-01 00:00:00

abstract：:This study describes the distribution of hobo-hybridizing sequences in the genus Drosophila. Southern blot analysis of 134 species revealed that hobo sequences are limited to the melanogaster and montium subgroups of the melanogaster-species group. Of the hobo-bearing species, only D. melanogaster and two of its sibli...

journal_title：Molecular biology and evolution

authors： Daniels SB,Chovnick A,Boussy IA

更新日期：1990-11-01 00:00:00

abstract：:A labeled gene tree topology that is more probable than the labeled gene tree topology matching a species tree is called "anomalous." Species trees that can generate such anomalous gene trees are said to be in the "anomaly zone." Here, probabilities of "unranked" and "ranked" gene tree topologies under the multispecie...

journal_title：Molecular biology and evolution

authors： Kim A,Rosenberg NA,Degnan JH

更新日期：2020-05-01 00:00:00

abstract：:Remarkably little is known about the population-level processes leading up to the extinction of the neandertal. To examine this, we use mitochondrial DNA sequences from 13 neandertal individuals, including a novel sequence from northern Spain, to examine neandertal demographic history. Our analyses indicate that recen...

journal_title：Molecular biology and evolution

authors： Dalén L,Orlando L,Shapiro B,Brandström-Durling M,Quam R,Gilbert MT,Díez Fernández-Lomana JC,Willerslev E,Arsuaga JL,Götherström A

更新日期：2012-08-01 00:00:00

abstract：:This study aims to unravel the biogeography of a model symbiont/host system by exploiting the prediction that a symbiont will leave a signature of infection on the host. Specifically, a global sample of 1,442 Drosophila simulans from 33 countries and 64 sampling localities was employed to infer the phylogeography of t...

journal_title：Molecular biology and evolution

authors： Ballard JW

更新日期：2004-03-01 00:00:00

abstract：:Lethality in hybrids between Drosophila melanogaster and its sibling species Drosophila simulans is caused in part by the interaction of the genes Hybrid male rescue (Hmr) and Lethal hybrid rescue (Lhr). Hmr and Lhr have diverged under positive selection in the hybridizing species. Here we test whether positive select...

journal_title：Molecular biology and evolution

authors： Maheshwari S,Wang J,Barbash DA

更新日期：2008-11-01 00:00:00

abstract：:Selenocysteine (Sec) is the 21st amino acid in the genetic code, inserted in response to UGA codons with the help of RNA structures, the SEC Insertion Sequence (SECIS) elements. The three domains of life feature distinct strategies for Sec insertion in proteins and its utilization. While bacteria and archaea possess s...

journal_title：Molecular biology and evolution

authors： Mariotti M,Lobanov AV,Manta B,Santesmasses D,Bofill A,Guigó R,Gabaldón T,Gladyshev VN

更新日期：2016-09-01 00:00:00

abstract：:The MIKC MADS-box gene family has been shaped by extensive gene duplications giving rise to subfamilies of genes with distinct functions and expression patterns. However, within these subfamilies the functional assignment is not that clear-cut, and considerable functional redundancy exists. One way to investigate the ...

journal_title：Molecular biology and evolution

authors： De Bodt S,Theissen G,Van de Peer Y

更新日期：2006-06-01 00:00:00

abstract：:Theoretical work focused on microsatellite variation has produced a number of important results, including the expected distribution of repeat sizes and the expected squared difference in repeat size between two randomly selected samples. However, closed-form expressions for the sampling distribution and frequency spe...

journal_title：Molecular biology and evolution

authors： Haasl RJ,Payseur BA

更新日期：2010-12-01 00:00:00

abstract：:Simple models of molecular evolution assume that sequences evolve by a Poisson process in which nucleotide or amino acid substitutions occur as rare independent events. In these models, the expected ratio of the variance to the mean of substitution counts equals 1, and substitution processes with a ratio greater than ...

journal_title：Molecular biology and evolution

authors： Bedford T,Hartl DL

更新日期：2008-08-01 00:00:00

abstract：:Serotonin is a neurotransmitter that plays an important role in regulating behavior and personality in humans and other mammals. Polymorphisms in genes coding for the serotonin receptor subtype 1A (HTR1A), the serotonin transporter (SLC6A4), and the serotonin degrading enzyme monoamine oxidase A (MAOA) are associated ...

journal_title：Molecular biology and evolution

authors： Staes N,Sherwood CC,Freeman H,Brosnan SF,Schapiro SJ,Hopkins WD,Bradley BJ

更新日期：2019-07-01 00:00:00