Using Linkage Logic Theory to Control Dynamics of a Gene Regulatory
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Marine Biology
Marine Biology Spatial and temporal dynamics of ascidian invasions in the continental United States and Alaska. --Manuscript Draft-- Manuscript Number: MABI-D-16-00297 Full Title: Spatial and temporal dynamics of ascidian invasions in the continental United States and Alaska. Article Type: S.I. : Invasive Species Keywords: ascidians, biofouling, biogeography, marine invasions, nonindigenous, non-native species, North America Corresponding Author: Christina Simkanin, Phd Smithsonian Environmental Research Center Edgewater, MD UNITED STATES Corresponding Author Secondary Information: Corresponding Author's Institution: Smithsonian Environmental Research Center Corresponding Author's Secondary Institution: First Author: Christina Simkanin, Phd First Author Secondary Information: Order of Authors: Christina Simkanin, Phd Paul W. Fofonoff Kristen Larson Gretchen Lambert Jennifer Dijkstra Gregory M. Ruiz Order of Authors Secondary Information: Funding Information: California Department of Fish and Wildlife Dr. Gregory M. Ruiz National Sea Grant Program Dr. Gregory M. Ruiz Prince William Sound Regional Citizens' Dr. Gregory M. Ruiz Advisory Council Smithsonian Institution Dr. Gregory M. Ruiz United States Coast Guard Dr. Gregory M. Ruiz United States Department of Defense Dr. Gregory M. Ruiz Legacy Program Abstract: SSpecies introductions have increased dramatically in number, rate, and magnitude of impact in recent decades. In marine systems, invertebrates are the largest and most diverse component of coastal invasions throughout the world. Ascidians are conspicuous and well-studied members of this group, however, much of what is known about their invasion history is limited to particular species or locations. Here, we provide a large-scale assessment of invasions, using an extensive literature review and standardized field surveys, to characterize the invasion dynamics of non-native ascidians in the continental United States and Alaska. -
Phenotypic and Molecular Analysis of Mes-3, a Maternal-Effect Gene Required for Proliferation and Viability of the Germ Line in C
Copyright 0 1995 by the Genetics Society of America Phenotypic and Molecular Analysis of mes-3, a Maternal-Effect Gene Required for Proliferation and Viability of the Germ Line in C. eleguns Janet E. Paulsen,' Elizabeth E. Capowski2 and Susan Strome Department of Biology, Indiana University, Bloomington, Indiana 47405 Manuscript received July 24, 1995 Accepted for publication September 14, 1995 ABSTRACT mes-3 is one of four maternaleffect sterile genes that encode maternal components required for normal postembryonic development of the germ line in Caenorhabditis elegans. mes-3 mutant mothers produce sterile progeny, which contain few germ cells andno gametes. This terminal phenotype reflects two problems: reduced proliferation of the germ line and germ cell death. Both the appearanceof the dying germ cells and the results of genetic tests indicate that germ cells in mes-3 animals undergo a necrotic-like death, not programmedcell death. The few germ cells that appear healthyin mes-3 worms do not differentiateinto gametes, even after eliminationof the signaling pathway that normally maintains the undifferentiated population of germ cells. Thus, mes-3 encodes a maternally supplied product that is required both for proliferation of the germ line and for maintenance of viable germ cells that are competent to differentiate into gametes. Cloning and molecular characterizationof mes-3 revealed that it is the upstream gene in an operon. The genes in the operon display parallel expression patterns; transcripts are present throughout development and are not restricted to germ-line tissue. Both mes-3 and the downstream gene in the operon encode novel proteins. HE germ line enables metazoan organisms to pro- germ cell, P4, at the 16-24cell stage. -
Genetic and Maternal Effect Influences on Viability of Common Frog
Heredity (2003) 91, 117–124 & 2003 Nature Publishing Group All rights reserved 0018-067X/03 $25.00 www.nature.com/hdy Genetic and maternal effect influences on viability of common frog tadpoles under different environmental conditions S Pakkasmaa1, J Merila¨2 and RB O’Hara2,3 1Department of Population Biology, Evolutionary Biology Centre, Uppsala University, Norbyva¨gen 18D, SE-75236 Uppsala, Sweden; 2Ecological Genetics Research Unit, Department of Ecology and Systematics, PO Box 65, FIN-00014 University of Helsinki, Finland; 3Rolf Nevanlinna Institute, PO Box 4, FIN-00014 University of Helsinki, Finland The influence of environmental stress on the expression of all traits were significant, independent of pH treatments and genetic and maternal effects on the viability traits has seldom typically of magnitude similar to the additive genetic effects. been assessed in wild vertebrates. We have estimated Maternal effects were large for all traits, especially for genetic and maternal effects on the viability (viz probability of viability itself, and their expression was partly dependent survival, probability of being deformed, and body size and on the environment. In the case of body size, the maternal shape) of common frog, Rana temporaria, tadpoles under effects were mediated largely through egg size. In general, stressful (low pH) and nonstressful (neutral pH) environ- the results give little evidence for the conjecture that mental conditions. A Bayesian analysis using generalized environmental stress created by low pH would impact linear mixed models was applied to data from a factorial strongly on the genetic architecture of fitness-related traits laboratory experiment. The expression of additive genetic in frogs, and hamper adaptation to stress caused by variance was independent of pH treatments, and all traits acidification. -
Maternal Variants in NLRP and Other Maternal Effect Proteins Are
Epigenetics J Med Genet: first published as 10.1136/jmedgenet-2017-105190 on 24 March 2018. Downloaded from ORIGINAL ARTICLE Maternal variants in NLRP and other maternal effect proteins are associated with multilocus imprinting disturbance in offspring Matthias Begemann,1 Faisal I Rezwan,2 Jasmin Beygo,3 Louise E Docherty,4 Julia Kolarova,5 Christopher Schroeder,3 Karin Buiting,3 Kamal Chokkalingam,6 Franziska Degenhardt,7 Emma L Wakeling,8 Stephanie Kleinle,9 Daniela González Fassrainer,9 Barbara Oehl-Jaschkowitz,10 Claire L S Turner,11 Michal Patalan,12 Maria Gizewska,12 Gerhard Binder,13 Can Thi Bich Ngoc,14 Vu Chi Dung,14 Sarju G Mehta,15 Gareth Baynam,16,17 Julian P Hamilton-Shield,18 Sara Aljareh,2 Oluwakemi Lokulo-Sodipe,2,19 Rachel Horton,2,19 Reiner Siebert,5 Miriam Elbracht,1 Isabel Karen Temple,2,19 Thomas Eggermann,1 Deborah J G Mackay2 ► Additional material is ABSTRact overgrowth, macroglossia, exomphalos, hemihy- published online only. To view Background Genomic imprinting results from pertrophy and predisposition to Wilms tumour), please visit the journal online (http:// dx. doi. org/ 10. 1136/ the resistance of germline epigenetic marks to the growth restriction disorders Silver-Russell jmedgenet- 2017- 105190). reprogramming in the early embryo for a small syndrome (SRS; restricted growth, asymmetry and number of mammalian genes. Genetic, epigenetic or poor feeding) and Temple syndrome (TS; growth For numbered affiliations see environmental insults that prevent imprints from evading restriction, poor feeding, early puberty and obesity) end of article. reprogramming may result in imprinting disorders, which and transient neonatal diabetes mellitus (TNDM; impact growth, development, behaviour and metabolism. -
Extending the Integrated Ascidian Database to the Exploration And
ANISEED 2017: extending the integrated ascidian database to Title the exploration and evolutionary comparison of genome-scale datasets Brozovic, Matija; Dantec, Christelle; Dardaillon, Justine; Dauga, Delphine; Faure, Emmanuel; Gineste, Mathieu; Louis, Alexandra; Naville, Magali; Nitta, Kazuhiro R; Piette, Jacques; Reeves, Wendy; Scornavacca, Céline; Simion, Paul; Vincentelli, Renaud; Bellec, Maelle; Aicha, Sameh Ben; Fagotto, Marie; Guéroult-Bellone, Marion; Haeussler, Author(s) Maximilian; Jacox, Edwin; Lowe, Elijah K; Mendez, Mickael; Roberge, Alexis; Stolfi, Alberto; Yokomori, Rui; Brown, C�Titus; Cambillau, Christian; Christiaen, Lionel; Delsuc, Frédéric; Douzery, Emmanuel; Dumollard, Rémi; Kusakabe, Takehiro; Nakai, Kenta; Nishida, Hiroki; Satou, Yutaka; Swalla, Billie; Veeman, Michael; Volff, Jean-Nicolas; Lemaire, Patrick Citation Nucleic Acids Research (2018), 46: D718-D725 Issue Date 2018-01-04 URL http://hdl.handle.net/2433/229401 © The Author(s) 2017. Published by Oxford University Press on behalf of Nucleic Acids Research. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by- Right nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact [email protected] Type Journal Article Textversion publisher Kyoto University D718–D725 Nucleic Acids Research, 2018, Vol. 46, Database issue Published online 15 November -
And Description of a New Species, Ciona Interme
An integrative taxonomic framework for the study of the genus Ciona (Ascidiacea) and description of a new species, Ciona intermedia Francesco Mastrototaro, Federica Montesanto, Marika Salonna, Frédérique Viard, Giovanni Chimienti, Egidio Trainito, Carmela Gissi To cite this version: Francesco Mastrototaro, Federica Montesanto, Marika Salonna, Frédérique Viard, Giovanni Chimi- enti, et al.. An integrative taxonomic framework for the study of the genus Ciona (Ascidiacea) and description of a new species, Ciona intermedia. Zoological Journal of the Linnean Society, Linnean Society of London, 2020, 10.1093/zoolinnean/zlaa042. hal-02861027 HAL Id: hal-02861027 https://hal.archives-ouvertes.fr/hal-02861027 Submitted on 8 Jun 2020 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Doi: 10.1093/zoolinnean/zlaa042 An integrative taxonomy framework for the study of the genus Ciona (Ascidiacea) and the description of the new species Ciona intermedia Francesco Mastrototaro1, Federica Montesanto1*, Marika Salonna2, Frédérique Viard3, Giovanni Chimienti1, Egidio Trainito4, Carmela Gissi2,5,* 1 Department of Biology and CoNISMa LRU, University of Bari “Aldo Moro” Via Orabona, 4 - 70125 Bari, Italy 2 Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari “Aldo Moro”, Via Orabona, 4 - 70125 Bari, Italy 3 Sorbonne Université, CNRS, Lab. -
Spatiotemporal Network Motif Reveals the Biological Traits of Developmental Gene Regulatory Networks in Drosophila Melanogaster
UC Irvine UC Irvine Previously Published Works Title Spatiotemporal network motif reveals the biological traits of developmental gene regulatory networks in Drosophila melanogaster Permalink https://escholarship.org/uc/item/55k7w157 Journal BMC Systems Biology, 6(1) ISSN 1752-0509 Authors Kim, Man-Sun Kim, Jeong-Rae Kim, Dongsan et al. Publication Date 2012-05-01 DOI http://dx.doi.org/10.1186/1752-0509-6-31 Peer reviewed eScholarship.org Powered by the California Digital Library University of California Kim et al. BMC Systems Biology 2012, 6:31 http://www.biomedcentral.com/1752-0509/6/31 RESEARCH ARTICLE Open Access Spatiotemporal network motif reveals the biological traits of developmental gene regulatory networks in Drosophila melanogaster Man-Sun Kim1, Jeong-Rae Kim1,2, Dongsan Kim1, Arthur D Lander3 and Kwang-Hyun Cho1* Abstract Background: Network motifs provided a “conceptual tool” for understanding the functional principles of biological networks, but such motifs have primarily been used to consider static network structures. Static networks, however, cannot be used to reveal time- and region-specific traits of biological systems. To overcome this limitation, we proposed the concept of a “spatiotemporal network motif,” a spatiotemporal sequence of network motifs of sub-networks which are active only at specific time points and body parts. Results: On the basis of this concept, we analyzed the developmental gene regulatory network of the Drosophila melanogaster embryo. We identified spatiotemporal network motifs and investigated their distribution pattern in time and space. As a result, we found how key developmental processes are temporally and spatially regulated by the gene network. In particular, we found that nested feedback loops appeared frequently throughout the entire developmental process. -
The Role of Metalloproteases in Fertilisation in the Ascidian Ciona
www.nature.com/scientificreports OPEN The role of metalloproteases in fertilisation in the ascidian Ciona robusta Received: 8 August 2018 Shiori Nakazawa 1,2, Maki Shirae-Kurabayashi1 & Hitoshi Sawada1 Accepted: 12 December 2018 In the ascidian Ciona robusta (formerly C. intestinalis type A), the mechanism underlying sperm Published: xx xx xxxx penetration through the egg investment remains unknown. We previously reported that proteins containing both an astacin metalloprotease domain and thrombospondin type 1 repeats are abundant in the sperm surface protein-enriched fraction of C. robusta. Here we investigated the involvement of those proteins in fertilisation. We refned the sequences of astacin metalloproteases, confrmed that fve of them are present in the sperm, and labelled them as tunicate astacin and thrombospondin type 1 repeat-containing (Tast) proteins. Fertilisation of C. robusta eggs was potently inhibited by a metalloprotease inhibitor GM6001. The eggs cleaved normally when they were vitelline coat-free or the inhibitor was added after insemination. Furthermore, vitelline coat proteins were degraded after incubation with intact sperm. These results suggest that sperm metalloproteases are indispensable for fertilisation, probably owing to direct or indirect mediation of vitelline-coat digestion during sperm penetration. TALEN-mediated knockout of Tast genes and the presence of GM6001 impaired larval development at the metamorphic stage, suggesting that Tast gene products play a key role in late development. Egg fertilisation is key to achieving genetic diversity in the next generation. In most animals, the eggs are covered with an acellular investment called the egg coat, also called the vitelline coat (VC) in some marine invertebrates, including ascidians and zona pellucida in mammals. -
Maternal-Offspring Conflict Leads to the Evolution of Dominant Zygotic Sex
Heredity (2002) 88, 102–111 2002 Nature Publishing Group All rights reserved 0018-067X/02 $25.00 www.nature.com/hdy Maternal-offspring conflict leads to the evolution of dominant zygotic sex determination JH Werren1, MJ Hatcher2 and HCJ Godfray3 1Department of Biology, University of Rochester, Rochester NY 14627, USA; 2School of Biology , University of Leeds, Leeds LS2 9JT, UK; 3NERC Centre for Population Biology, Imperial College at Silwood Park, Ascot, SL5 7PY, UK Sex determination in many species involves interactions males more negatively effect fitness within the family, a male among maternally expressed genes (eg, mRNA’s and pro- heterogametic (XY male) sex determining system evolves, teins placed into the egg) and zygotically expressed genes. whereas when females more negatively effect fitness in the Recent studies have proposed that conflicting selective family, a female heterogametic (ZW female) system evolves. pressures can occur between maternally and zygotically Individuals with the dominant sex allele are one sex, and the expressed sex determining loci and that these may play a opposite sex is determined by maternally-expressed genes role in shaping the evolution of sex determining systems. in individuals without the dominant sex allele. Results there- Here we show that such genetic conflict occurs under very fore suggest that maternal-zygotic conflict could play a role general circumstances. Whenever sex ratio among progeny in the early evolution of chromosomal sex determining sys- in a family affects the fitness of either progeny in that family tems. Predictions are made concerning the patterns of or maternal fitness, then maternal-zygotic genetic conflict expression of maternal and zygotic sex determining genes occurs. -
Epigenetics and the Biological Definition of Gene × Environment
Child Development, January/February 2010, Volume 81, Number 1, Pages 41–79 Epigenetics and the Biological Definition of Gene · Environment Interactions Michael J. Meaney McGill University Variations in phenotype reflect the influence of environmental conditions during development on cellular functions, including that of the genome. The recent integration of epigenetics into developmental psychobiol- ogy illustrates the processes by which environmental conditions in early life structurally alter DNA, provid- ing a physical basis for the influence of the perinatal environmental signals on phenotype over the life of the individual. This review focuses on the enduring effects of naturally occurring variations in maternal care on gene expression and phenotype to provide an example of environmentally driven plasticity at the level of the DNA, revealing the interdependence of gene and environmental in the regulation of phenotype. The nature–nurture debate is essentially a question prevention and intervention programs. In the social of the determinants of individual differences in the sciences, and particularly psychology, there has expression of specific traits among members of the generally been an understandable bias in favor of same species. The origin of the terms nature and explanations derived from the ‘‘nurture’’ perspec- nurture has been credited to Richard Mulcaster, a tive, which emphasizes the capacity for environ- British teacher who imagined these influences as mentally induced plasticity in brain structure and collaborative forces that shape child development function. Nevertheless, over recent decades there (West & King, 1987). History has conspired to per- has been a gradual, if at times reluctant acceptance vert Mulcaster’s intent, casting genetic and environ- that genomic variations contribute to individual dif- mental influences as independent agents in the ferences in brain development and function. -
Viable Maternal-Effect Mutations That Affect the Development
Copyright 0 1995 by the Genetics Society of America Viable Maternal-Effect Mutations ThatAffect the Development of the Nematode Caenorhabditis eZegam Siegfried Hekimi, Paula Boutis and Bernard Lakowski Department of Biology, McGill University, Montreal, Quibec, Canada H3A IBI Manuscript received June 27, 1995 Accepted for publication September 12, 1995 ABSTRACT We carried out a genetic screen for viable maternal-effect mutants to identify genes with a critical function relatively early in development. This type of mutation would not have been identified readily in previous screens for viable mutants and therefore could define previously unidentified genes. We screened 30,000 genomes and identified 41 mutations falling into 24 complementation groups. We genetically mapped these 24 loci; only two of them appear to correspond to previously identified genes. We present a partial phenotypic characterizationof the mutants anda quantitative analysis of the degree to which they can be maternally or zygotically rescued. ENETIC screens inthe nematode Caenorhabditis matically found in previous screens for viable mutants, G elegans have identified numerous genes required as in those screens in general only the first generation for normal development.Most of these genes have been of homozygotes was examined. identified through screens for viable mutants with ab- Indeed, relatively few maternal-effect viable muta- normal morphology or behavior (e.g., BRENNER1974; tions have been characterized to date. However, some HODGKINand BRENNER1977; HODGKIN1980, 1983; particularly interesting genesdisplay this type ofherita- CHALFIEand SULSTON1981; RIDDLE et al. 1981; TRENT bility, among them, genesin the dosage compensation et al. 1983; FERGUSONand HORVITZ1985; PARKand and sex-determination pathways, such as sdc-1 (VILLE- HORVITZ1986; DESAIet al. -
Integrating Inclusive Inheritance Into an Extended Theory of Evolution
REVIEWS Beyond DNA: integrating inclusive inheritance into an extended theory of evolution Étienne Danchin*‡, Anne Charmantier§, Frances A. Champagne||, Alex Mesoudi¶, Benoit Pujol*‡ and Simon Blanchet*# Abstract | Many biologists are calling for an ‘extended evolutionary synthesis’ that would ‘modernize the modern synthesis’ of evolution. Biological information is typically considered as being transmitted across generations by the DNA sequence alone, but accumulating evidence indicates that both genetic and non-genetic inheritance, and the interactions between them, have important effects on evolutionary outcomes. We review the evidence for such effects of epigenetic, ecological and cultural inheritance and parental effects, and outline methods that quantify the relative contributions of genetic and non-genetic heritability to the transmission of phenotypic variation across generations. These issues have implications for diverse areas, from the question of missing heritability in human complex-trait genetics to the basis of major evolutionary transitions. Modern synthesis When Charles Darwin was born in 1809, the idea causes, one of which is that heritability estimates are 10 The merging of Darwinism with that species change over time — that is, evolve — had incorrect , or at least misinterpreted, mainly because genetics that occurred from already emerged1. However, it was only half a century non-genetic heritability is often confounded with the 1930s to the 1950s. later, when Darwin published On the Origin of Species2, purely genetic effects. There is increasing awareness that the theory of evolution profoundly transformed that non-genetic information can also be inherited our understanding of life. Darwin understood that across generations (reviewed in REFS 8,11–13). The natural selection can only affect traits in which there is concepts of ‘general heritability’ (REF.