Understanding the evolutionary fate of finite populations: the dynamics of mutational effects.

Abstract:

:The most consistent result in more than two decades of experimental evolution is that the fitness of populations adapting to a constant environment does not increase indefinitely, but reaches a plateau. Using experimental evolution with bacteriophage, we show here that the converse is also true. In populations small enough such that drift overwhelms selection and causes fitness to decrease, fitness declines down to a plateau. We demonstrate theoretically that both of these phenomena must be due either to changes in the ratio of beneficial to deleterious mutations, the size of mutational effects, or both. We use mutation accumulation experiments and molecular data from experimental evolution to show that the most significant change in mutational effects is a drastic increase in the rate of beneficial mutation as fitness decreases. In contrast, the size of mutational effects changes little even as organismal fitness changes over several orders of magnitude. These findings have significant implications for the dynamics of adaptation.

journal_name

PLoS Biol

journal_title

PLoS biology

authors

Silander OK,Tenaillon O,Chao L

doi

10.1371/journal.pbio.0050094

subject

Has Abstract

pub_date

2007-04-01 00:00:00

pages

e94

issue

4

eissn

1544-9173

issn

1545-7885

pii

06-PLBI-RA-1288R4

journal_volume

5

pub_type

杂志文章
  • Precise positioning of myosin VI on endocytic vesicles in vivo.

    abstract::Myosin VI has been studied in both a monomeric and a dimeric form in vitro. Because the functional characteristics of the motor are dramatically different for these two forms, it is important to understand whether myosin VI heavy chains are brought together on endocytic vesicles. We have used fluorescence anisotropy m...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.0050210

    authors: Altman D,Goswami D,Hasson T,Spudich JA,Mayor S

    更新日期:2007-08-01 00:00:00

  • Individual metabolomic signatures of circadian misalignment during simulated night shifts in humans.

    abstract::Misalignment of the daily sleep-wake and fasting-feeding cycles with the endogenous circadian timing system is an inevitable consequence of night shift work and is associated with adverse metabolic health effects. However, a detailed characterisation of the effects of night shifts on 24-h rhythms in the metabolome is ...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.3000303

    authors: Kervezee L,Cermakian N,Boivin DB

    更新日期:2019-06-18 00:00:00

  • The DEAD-box Protein Rok1 Orchestrates 40S and 60S Ribosome Assembly by Promoting the Release of Rrp5 from Pre-40S Ribosomes to Allow for 60S Maturation.

    abstract::DEAD-box proteins are ubiquitous regulators of RNA biology. While commonly dubbed "helicases," their activities also include duplex annealing, adenosine triphosphate (ATP)-dependent RNA binding, and RNA-protein complex remodeling. Rok1, an essential DEAD-box protein, and its cofactor Rrp5 are required for ribosome ass...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.1002480

    authors: Khoshnevis S,Askenasy I,Johnson MC,Dattolo MD,Young-Erdos CL,Stroupe ME,Karbstein K

    更新日期:2016-06-09 00:00:00

  • Simple nutrients bypass the requirement for HLH-30 in coupling lysosomal nutrient sensing to survival.

    abstract::Lysosomes are ubiquitous acidified organelles that degrade intracellular and extracellular material trafficked via multiple pathways. Lysosomes also sense cellular nutrient levels to regulate target of rapamycin (TOR) kinase, a signaling enzyme that drives growth and suppresses activity of the MiT/TFE family of transc...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.3000245

    authors: Murphy JT,Liu H,Ma X,Shaver A,Egan BM,Oh C,Boyko A,Mazer T,Ang S,Khopkar R,Javaheri A,Kumar S,Jiang X,Ory D,Mani K,Matkovich SJ,Kornfeld K,Diwan A

    更新日期:2019-05-14 00:00:00

  • Farewell to the Lose-Lose Reality of Policing Plant Imports.

    abstract::In an age of free international shipments of mail-ordered seeds and plants, more policing will not stop the global migration of hitchhiking pests. The solution is in a preemptive response based on an internationally coordinated genomic deployment of global biodiversity in the largest breeding project since the "Garden...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.1002438

    authors: Zamir D

    更新日期:2016-04-19 00:00:00

  • Promoter sequence determines the relationship between expression level and noise.

    abstract::The ability of cells to accurately control gene expression levels in response to extracellular cues is limited by the inherently stochastic nature of transcriptional regulation. A change in transcription factor (TF) activity results in changes in the expression of its targets, but the way in which cell-to-cell variabi...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.1001528

    authors: Carey LB,van Dijk D,Sloot PM,Kaandorp JA,Segal E

    更新日期:2013-01-01 00:00:00

  • Topological Small-World Organization of the Fibroblastic Reticular Cell Network Determines Lymph Node Functionality.

    abstract::Fibroblastic reticular cells (FRCs) form the cellular scaffold of lymph nodes (LNs) and establish distinct microenvironmental niches to provide key molecules that drive innate and adaptive immune responses and control immune regulatory processes. Here, we have used a graph theory-based systems biology approach to dete...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.1002515

    authors: Novkovic M,Onder L,Cupovic J,Abe J,Bomze D,Cremasco V,Scandella E,Stein JV,Bocharov G,Turley SJ,Ludewig B

    更新日期:2016-07-14 00:00:00

  • Placental chemokine compartmentalisation: A novel mammalian molecular control mechanism.

    abstract::Atypical chemokine receptor 2 (ACKR2) is a chemokine-scavenging receptor. ACKR2-/-embryos display a reduction in size of a novel, to our knowledge, embryonic skin macrophage population referred to as 'intermediate' cells. CC chemokine receptor 2 (CCR2)-/-embryos display an identical phenotype, indicating that these ce...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.3000287

    authors: Lee KM,Wilson GJ,Pingen M,Fukuoka A,Hansell CAH,Bartolini R,Medina-Ruiz L,Graham GJ

    更新日期:2019-05-29 00:00:00

  • Evolthon: A community endeavor to evolve lab evolution.

    abstract::In experimental evolution, scientists evolve organisms in the lab, typically by challenging them to new environmental conditions. How best to evolve a desired trait? Should the challenge be applied abruptly, gradually, periodically, sporadically? Should one apply chemical mutagenesis, and do strains with high innate m...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.3000182

    authors: Kaminski Strauss S,Schirman D,Jona G,Brooks AN,Kunjapur AM,Nguyen Ba AN,Flint A,Solt A,Mershin A,Dixit A,Yona AH,Csörgő B,Busby BP,Hennig BP,Pál C,Schraivogel D,Schultz D,Wernick DG,Agashe D,Levi D,Zabezhinsky D,

    更新日期:2019-03-29 00:00:00

  • Shellfish dredging pushes a flexible avian top predator out of a marine protected area.

    abstract::There is a widespread concern about the direct and indirect effects of industrial fisheries; this concern is particularly pertinent for so-called "marine protected areas" (MPAs), which should be safeguarded by national and international law. The intertidal flats of the Dutch Wadden Sea are a State Nature Monument and ...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.0040376

    authors: van Gils JA,Piersma T,Dekinga A,Spaans B,Kraan C

    更新日期:2006-11-01 00:00:00

  • The slings and arrows of comparative linguistics.

    abstract::In this Formal Comment the authors respond to objections to their previous Essay, reiterating that comparative linguistics is not an easy undertaking. ...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.3000019

    authors: Bolhuis JJ,Beckers GJL,Huybregts MAC,Berwick RC,Everaert MBH

    更新日期:2018-09-24 00:00:00

  • A bioenergetic basis for membrane divergence in archaea and bacteria.

    abstract::Membrane bioenergetics are universal, yet the phospholipid membranes of archaea and bacteria-the deepest branches in the tree of life-are fundamentally different. This deep divergence in membrane chemistry is reflected in other stark differences between the two domains, including ion pumping and DNA replication. We re...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.1001926

    authors: Sojo V,Pomiankowski A,Lane N

    更新日期:2014-08-12 00:00:00

  • Variable transcription factor binding: a mechanism of evolutionary change.

    abstract::This primer discusses a study from Bradley et al. in which changes in transcription factor binding between two Drosophila species are revealed by chromatin immunoprecipitation and high-throughput sequencing. ...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.1000342

    authors: Wittkopp PJ

    更新日期:2010-03-23 00:00:00

  • Trpm4 ion channels in pre-Bötzinger complex interneurons are essential for breathing motor pattern but not rhythm.

    abstract::Inspiratory breathing movements depend on pre-Bötzinger complex (preBötC) interneurons that express calcium (Ca2+)-activated nonselective cationic current (ICAN) to generate robust neural bursts. Hypothesized to be rhythmogenic, reducing ICAN is predicted to slow down or stop breathing; its contributions to motor patt...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.2006094

    authors: Picardo MCD,Sugimura YK,Dorst KE,Kallurkar PS,Akins VT,Ma X,Teruyama R,Guinamard R,Kam K,Saha MS,Del Negro CA

    更新日期:2019-02-21 00:00:00

  • Microstructural and functional gradients are increasingly dissociated in transmodal cortices.

    abstract::While the role of cortical microstructure in organising neural function is well established, it remains unclear how structural constraints can give rise to more flexible elements of cognition. While nonhuman primate research has demonstrated a close structure-function correspondence, the relationship between microstru...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.3000284

    authors: Paquola C,Vos De Wael R,Wagstyl K,Bethlehem RAI,Hong SJ,Seidlitz J,Bullmore ET,Evans AC,Misic B,Margulies DS,Smallwood J,Bernhardt BC

    更新日期:2019-05-20 00:00:00

  • Brain endothelial cells control fertility through ovarian-steroid-dependent release of semaphorin 3A.

    abstract::Neuropilin-1 (Nrp1) guides the development of the nervous and vascular systems, but its role in the mature brain remains to be explored. Here we report that the expression of the 65 kDa isoform of Sema3A, the ligand of Nrp1, by adult vascular endothelial cells, is regulated during the ovarian cycle and promotes axonal...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.1001808

    authors: Giacobini P,Parkash J,Campagne C,Messina A,Casoni F,Vanacker C,Langlet F,Hobo B,Cagnoni G,Gallet S,Hanchate NK,Mazur D,Taniguchi M,Mazzone M,Verhaagen J,Ciofi P,Bouret SG,Tamagnone L,Prevot V

    更新日期:2014-03-11 00:00:00

  • Interactive youth science workshops benefit student participants and graduate student mentors.

    abstract::Science communication and outreach are essential for training the next generation of scientists and raising public awareness for science. Providing effective science, technology, engineering, and mathematics (STEM) educational outreach to students in classrooms is challenging because of the need to form partnerships w...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.3000668

    authors: Kompella P,Gracia B,LeBlanc L,Engelman S,Kulkarni C,Desai N,June V,March S,Pattengale S,Rodriguez-Rivera G,Ryu SW,Strohkendl I,Mandke P,Clark G

    更新日期:2020-03-30 00:00:00

  • Active listening for spatial orientation in a complex auditory scene.

    abstract::To successfully negotiate a complex environment, an animal must control the timing of motor behaviors in coordination with dynamic sensory information. Here, we report on adaptive temporal control of vocal-motor behavior in an echolocating bat, Eptesicus fuscus, as it captured tethered insects close to background vege...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.0040079

    authors: Moss CF,Bohn K,Gilkenson H,Surlykke A

    更新日期:2006-04-01 00:00:00

  • Capturing hammerhead ribozyme structures in action by modulating general base catalysis.

    abstract::We have obtained precatalytic (enzyme-substrate complex) and postcatalytic (enzyme-product complex) crystal structures of an active full-length hammerhead RNA that cleaves in the crystal. Using the natural satellite tobacco ringspot virus hammerhead RNA sequence, the self-cleavage reaction was modulated by substitutin...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.0060234

    authors: Chi YI,Martick M,Lares M,Kim R,Scott WG,Kim SH

    更新日期:2008-09-30 00:00:00

  • Podoplanin+ tumor lymphatics are rate limiting for breast cancer metastasis.

    abstract::Metastatic dissemination employs both the blood and lymphatic vascular systems. Solid tumors dynamically remodel and generate both vessel types during cancer progression. Lymphatic vessel invasion and cancer cells in the tumor-draining lymph nodes (LNs) are prognostic markers for breast cancer metastasis and patient o...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.2005907

    authors: Chen Y,Keskin D,Sugimoto H,Kanasaki K,Phillips PE,Bizarro L,Sharpe A,LeBleu VS,Kalluri R

    更新日期:2018-12-28 00:00:00

  • Quantifying the effects of temperature on mosquito and parasite traits that determine the transmission potential of human malaria.

    abstract::Malaria transmission is known to be strongly impacted by temperature. The current understanding of how temperature affects mosquito and parasite life history traits derives from a limited number of empirical studies. These studies, some dating back to the early part of last century, are often poorly controlled, have l...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.2003489

    authors: Shapiro LLM,Whitehead SA,Thomas MB

    更新日期:2017-10-16 00:00:00

  • Structure-guided recombination creates an artificial family of cytochromes P450.

    abstract::Creating artificial protein families affords new opportunities to explore the determinants of structure and biological function free from many of the constraints of natural selection. We have created an artificial family comprising 3,000 P450 heme proteins that correctly fold and incorporate a heme cofactor by recombi...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.0040112

    authors: Otey CR,Landwehr M,Endelman JB,Hiraga K,Bloom JD,Arnold FH

    更新日期:2006-05-01 00:00:00

  • Rapid evolution of sex pheromone-producing enzyme expression in Drosophila.

    abstract::A wide range of organisms use sex pheromones to communicate with each other and to identify appropriate mating partners. While the evolution of chemical communication has been suggested to cause sexual isolation and speciation, the mechanisms that govern evolutionary transitions in sex pheromone production are poorly ...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.1000168

    authors: Shirangi TR,Dufour HD,Williams TM,Carroll SB

    更新日期:2009-08-01 00:00:00

  • The cutaneous rabbit illusion affects human primary sensory cortex somatotopically.

    abstract::We used functional magnetic resonance imaging (fMRI) to study neural correlates of a robust somatosensory illusion that can dissociate tactile perception from physical stimulation. Repeated rapid stimulation at the wrist, then near the elbow, can create the illusion of touches at intervening locations along the arm, a...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.0040069

    authors: Blankenburg F,Ruff CC,Deichmann R,Rees G,Driver J

    更新日期:2006-03-01 00:00:00

  • CEP290 is essential for the initiation of ciliary transition zone assembly.

    abstract::Cilia play critical roles during embryonic development and adult homeostasis. Dysfunction of cilia leads to various human genetic diseases, including many caused by defects in transition zones (TZs), the "gates" of cilia. The evolutionarily conserved TZ component centrosomal protein 290 (CEP290) is the most frequently...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.3001034

    authors: Wu Z,Pang N,Zhang Y,Chen H,Peng Y,Fu J,Wei Q

    更新日期:2020-12-28 00:00:00

  • Exdpf is a key regulator of exocrine pancreas development controlled by retinoic acid and ptf1a in zebrafish.

    abstract::Both endocrine and exocrine pancreatic cells arise from pancreatic-duodenal homeobox 1 (pdx1)-positive progenitors. The molecular mechanisms controlling cell fate determination and subsequent proliferation, however, are poorly understood. Unlike endocrine cells, less is known about exocrine cell specification. We repo...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.0060293

    authors: Jiang Z,Song J,Qi F,Xiao A,An X,Liu NA,Zhu Z,Zhang B,Lin S

    更新日期:2008-11-25 00:00:00

  • Meta-research: Why research on research matters.

    abstract::Meta-research is the study of research itself: its methods, reporting, reproducibility, evaluation, and incentives. Given that science is the key driver of human progress, improving the efficiency of scientific investigation and yielding more credible and more useful research results can translate to major benefits. T...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.2005468

    authors: Ioannidis JPA

    更新日期:2018-03-13 00:00:00

  • Knowledge-guided analysis of "omics" data using the KnowEnG cloud platform.

    abstract::We present Knowledge Engine for Genomics (KnowEnG), a free-to-use computational system for analysis of genomics data sets, designed to accelerate biomedical discovery. It includes tools for popular bioinformatics tasks such as gene prioritization, sample clustering, gene set analysis, and expression signature analysis...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.3000583

    authors: Blatti C 3rd,Emad A,Berry MJ,Gatzke L,Epstein M,Lanier D,Rizal P,Ge J,Liao X,Sobh O,Lambert M,Post CS,Xiao J,Groves P,Epstein AT,Chen X,Srinivasan S,Lehnert E,Kalari KR,Wang L,Weinshilboum RM,Song JS,Jongeneel

    更新日期:2020-01-23 00:00:00

  • Inferring the dynamics of diversification: a coalescent approach.

    abstract::Recent analyses of the fossil record and molecular phylogenies suggest that there are fundamental limits to biodiversity, possibly arising from constraints in the availability of space, resources, or ecological niches. Under this hypothesis, speciation rates decay over time and biodiversity eventually saturates, with ...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.1000493

    authors: Morlon H,Potts MD,Plotkin JB

    更新日期:2010-09-28 00:00:00

  • The fat controller: adipocyte development.

    abstract::Obesity is a condition characterized by excess adipose tissue that results from positive energy balance and is the most common metabolic disorder in the industrialized world. The obesity epidemic shows no sign of slowing, and it is increasingly a global problem. Serious clinical problems associated with obesity includ...

    journal_title:PLoS biology

    pub_type: 杂志文章

    doi:10.1371/journal.pbio.1001436

    authors: Stephens JM

    更新日期:2012-01-01 00:00:00