Citations with the tag: DIVERGENCE (Biology)

Results 151 - 200

  • Consistency of gene starts among Burkholderia genomes.
    Dunbar, John; Cohn, Judith D.; Wall, Michael E. // BMC Genomics; 2011, Vol. 12 Issue 1, p125 

    Background: Evolutionary divergence in the position of the translational start site among orthologous genes can have significant functional impacts. Divergence can alter the translation rate, degradation rate, subcellular location, and function of the encoded proteins. Results: Existing Genbank...

  • A new approach for the analysis of bacterial microarray-based Comparative Genomic Hybridization: insights from an empirical study.
    Taboada, Eduardo N; Acedillo, Rey R; Luebbert, Christian C; Findlay, Wendy A; Nash, John HE // BMC Genomics; 2005, Vol. 6, p78 

    Background: Microarray-based Comparative Genomic Hybridization (M-CGH) has been used to characterize the extensive intraspecies genetic diversity found in bacteria at the whole-genome level. Although conventional microarray analytical procedures have proved adequate in handling M-CGH data, data...

  • Bushes in the Tree of Life.
    Rokas, Antonis; Carroll, Sean B. // PLoS Biology; Nov2006, Vol. 4 Issue 11, p1899 

    The article presents an essay about the combination of the spacing of cladogenetic events and high frequency of independently evolved characters limit the resolution of ancient divergences. It discusses the concept of the tree of life (TOL), which has been molded by cladogenesis and extinction...

  • Diversity of the Troponin C Genes during Chordate Evolution1.
    Yuasa, Hajime J.; Cox, Jos A.; Takagi, Takashi // Journal of Biochemistry; 1998, Vol. 123 Issue 6, p1180 

    To elucidate the diversity of troponin C (TnC) during chordate evolution, we determined the organization of TnCs from the amphioxus, the lamprey, and the frog. Like the ascidian, the amphioxus possesses a single gene of TnC, and the fundamental gene structure is identical with the ascidian TnC....

  • Rapid Speciation with Gene Flow Following the Formation of Mt. Etna.
    Osborne, Owen G.; Batstone, Thomas E.; Hiscock, Simon J.; Filatov, Dmitry A. // Genome Biology & Evolution; Sep2013, Vol. 5 Issue 9, p1704 

    Environmental or geological changes can create new niches that drive ecological species divergence without the immediate cessation of gene flow. However, few such cases have been characterized. On a recently formed volcano, Mt. Etna, Senecio aethnensis and S. chrysanthemifolius inhabit...

  • A parasite calcium switch and Achilles' heel revealed.
    Doerig, Christian; Billker, Oliver // Nature Structural & Molecular Biology; May2010, Vol. 17 Issue 5, p541 

    The article comments on research study published in the issue related to the crystal structures of the calcium-dependent protein kinase. It states that protein kinases are considered to be the major targets in fight against cancer. It states that Adenosine Trip Hosphate (ATP) bindings can be...

  • Characterization of the cofactor-binding site in the SPOUT-fold methyltransferases by computational docking of Sadenosylmethionine to three crystal structures.
    Kurowski, Michal A.; Sasin, Joanna M.; Feder, Marcin; Debski, Janusz; Bujnicki, Janusz M. // BMC Bioinformatics; 2003, Vol. 4, p1 

    Background: There are several evolutionarily unrelated and structurally dissimilar superfamilies of S-adenosylmethionine (AdoMet)-dependent methyltransferases (MTases). A new superfamily (SPOUT) has been recently characterized on a sequence level and three structures of its members (1gz0, 1ipa,...

  • Dynamics of estuarine residual circulation in a narrow channel including tidal-nonlinear effects.
    Yoshiaki Shiraki; Tetsuo Yanagi // Journal of Oceanography; Jun2007, Vol. 63 Issue 3, p413 

    Abstract  Numerical modeling of a semienclosed narrow channel demonstrates the dynamical dependency of an estuarine residual circulation (ERC) on tidal amplitudes. The ERC is defined by tidally-averaged current field. The tidally-averaged fields show that the ERC-strength variation is...

  • Potential mechanisms of phenotypic divergence in body size between Newfoundland and mainland black bear populations.
    Mahoney, Shane P.; Virgl, John A.; Mawhinney, Kim // Canadian Journal of Zoology; Sep2001, Vol. 79 Issue 9, p1650 

    Phenotypic variation in body size and degree of sexual size dimorphism of North American black bears (Ursus americanus) was quantified for populations from New Brunswick, Quebec, Ontario, Maine, Alaska, and the island of Newfoundland. Based on a model of island biogeography developed by Case, we...

  • An integrated approach for the comparative analysis of a multigene family: The nicotianamine synthase genes of barley.
    Perovic, Dragan; Tiffin, Peter; Douchkov, Dimitar; Bäumlein, Helmut; Graner, Andreas // Functional & Integrative Genomics; Apr2007, Vol. 7 Issue 2, p169 

    Recent genomic projects reveal that about half of the gene repertoire in plant genomes is made up by multigene families. In this paper, a set of structural and phylogenetic analyses have been applied to compare the differently sized nicotianamine synthase (NAS) gene families in barley and rice....

  • The Hawaiian Rhodophyta Biodiversity Survey (2006-2010): a summary of principal findings.
    Sherwood, Alison R.; Kurihara, Akira; Conklin, Kimberly Y.; Sauvage, Thomas; Presting, Gernot G. // BMC Plant Biology; 2010, Vol. 10, p258 

    Background: The Hawaiian red algal flora is diverse, isolated, and well studied from a morphological and anatomical perspective, making it an excellent candidate for assessment using a combination of traditional taxonomic and molecular approaches. Acquiring and making these biodiversity data...

  • Mature habitats associated with genetic divergence despite strong dispersal ability in an arthropod.
    Ishida, Seiji; Taylor, Derek J. // BMC Evolutionary Biology; 2007, Vol. 7, p52 

    Background: Populations may be bound by contemporary gene flow, selective sweeps, and extinction-recolonization processes. Indeed, existing molecular estimates indicate that species with low levels of gene flow are rare. However, strong priority effects and local selective regimes may hinder...

  • Genetic structure in species with shallow evolutionary lineages: a case study of the rare flatfish Verasper variegatus.
    Sekino, Masashi; Saitoh, Kenji; Shimizu, Daisuke; Wada, Toshihiro; Kamiyama, Kyoichi; Gambe, Somei; Chen, Siqing; Aritaki, Masato // Conservation Genetics; Feb2011, Vol. 12 Issue 1, p139 

    We examined the genetic population divergence of the spotted halibut Verasper variegatus. A previous report suggested two conservation units for this species along the Japanese Pacific coast. Extending the coverage of the genomes (29 microsatellites and three mitochondrial DNA segments) revealed...

  • The complete genome sequences for a novel enterovirus type, enterovirus 96, reflect multiple recombinations.
    Smura, Teemu; Blomqvist, Soile; Hovi, Tapani; Roivainen, Merja // Archives of Virology; Jul2009, Vol. 154 Issue 7, p1157 

    Enterovirus 96 (EV-96) is a recently described genotype in the species Human enterovirus C. So far, only partial genome sequences of this enterovirus type have been available. In this study, we report complete genome sequences for two EV-96 strains isolated from healthy children during...

  • Repeated adaptive divergence of microhabitat specialization in avian feather lice.
    Smura, Teemu; Blomqvist, Soile; Hovi, Tapani; Roivainen, Merja // BMC Biology; 2012, Vol. 10 Issue 1, p52 

    The article presents a study on the repeated adaptive divergence of microhabitat specialization in avian feather lice. Feather lice generally follow one of four escape mechanisms corresponding to the main regions of the main groups of the hosts body. The pattern of repeated adaptive divergence...

  • Inflorescence structure in species of Spartina Schreb. (Poaceae: Chloridoideae: Cynodonteae).
    Kern, Verónica Guadalupe; Guarise, Nicolás Javier; Vegetti, Abelardo Carlos // Plant Systematics & Evolution; Jun2008, Vol. 273 Issue 1/2, p51 

    The typology developed by Troll was followed to describe inflorescence structures for 15 species of Spartina. In all species here studied, truncation of the terminal spikelet of the main axis and primary paracladium was observed. The truncation can also involve the short paracladia subzone so...

  • A systematic evaluation of hybridization-based mouse exome capture system.
    Gao, Qingsong; Wei Sun; Xintian You; Froehler, Sebastian; Wei Chen // BMC Genomics; 2013, Vol. 14 Issue 1, p1 

    Background: Exome sequencing is increasingly used to search for phenotypically-relevant sequence variants in the mouse genome. All of the current hybridization-based mouse exome capture systems are designed based on the genome reference sequences of the C57BL/6 J strain. Given that the...

  • Numerical study of the north Adriatic circulation during two successive bora episodes.
    BEG PAKLAR, Gordana; DŽOIĆ, Tomislav; DADIĆ, Vlado // Acta Adriatica; 2015, Vol. 56 Issue 1, p115 

    The north Adriatic circulation during two successive bora episodes was studied using single point current measurements and results of the Princeton Ocean Model (POM). Surface currents recorded at the gas field Ivana positioned in the central part of the northern Adriatic were directed downwind...

  • A Passerine Bird's Evolution Corroborates the Geologic History of the Island of New Guinea.
    Deiner, Kristy; Lemmon, Alan R.; Mack, Andrew L.; Fleischer, Robert C.; Dumbacher, John P. // PLoS ONE; 2011, Vol. 6 Issue 5, p1 

    New Guinea is a biologically diverse island, with a unique geologic history and topography that has likely played a role in the evolution of species. Few island-wide studies, however, have examined the phylogeographic history of lowland species. The objective of this study was to examine...

  • Genetic divergence and phylogeographic history of two closely related species (Leucomeris decora and Nouelia insignis) across the 'Tanaka Line' in Southwest China.
    Yu-Juan Zhao; Xun Gong // BMC Evolutionary Biology; Jul2015, Vol. 15 Issue 1, p1 

    Background: Leucomeris decora and Nouelia insignis (Asteraceae) are narrowly and allopatrically distributed species, separated by the important biogeographic boundary Tanaka Line in Southwest China. Previous morphological, cytogenetic and molecular studies suggested that L. decora is sister to...

  • Morphological and ecological divergence of Lilium and Nomocharis within the Hengduan Mountains and Qinghai-Tibetan Plateau may result from habitat specialization and hybridization.
    Yun-Dong Gao; Harris, A. J.; Xing-Jin He // BMC Evolutionary Biology; Jul2015, Vol. 15 Issue 1, p1 

    Background: Several previous studies have shown that some morphologically distinctive, small genera of vascular plants that are endemic to the Qinghai-Tibetan Plateau and adjacent Hengduan Mountains appear to have unexpected and complex phylogenetic relationships with their putative sisters,...

  • Phylogenetic Status and Timescale for the Diversification of Steno and Sotalia Dolphins.
    Cunha, Haydeé A.; Moraes, Lucas C.; Medeiros, Bruna V.; Lailson-Brito Jr., José; Silva, Vera M. F. da; Solé-Cava, Antonio M.; Schrago, Carlos G. // PLoS ONE; 2011, Vol. 6 Issue 12, p1 

    Molecular data have provided many insights into cetacean evolution but some unsettled issues still remain. We estimated the topology and timing of cetacean evolutionary relationships using Bayesian and maximum likelihood analyses of complete mitochondrial genomes. In order to clarify the...

  • Phylogeny and Biogeography of Hawkmoths (Lepidoptera: Sphingidae): Evidence from Five Nuclear Genes.
    Kawahara, Akito Y.; Mignault, Andre A.; Regier, Jerome C.; Kitching, Ian J.; Mitter, Charles // PLoS ONE; 2009, Vol. 4 Issue 5, p1 

    Background: The 1400 species of hawkmoths (Lepidoptera: Sphingidae) comprise one of most conspicuous and wellstudied groups of insects, and provide model systems for diverse biological disciplines. However, a robust phylogenetic framework for the family is currently lacking. Morphology is unable...

  • Molecular identification of five Indian sciaenids (pisces: perciformes, sciaenidae) using RAPD markers.
    Lakra, Wazir; Goswami, M.; Mohindra, V.; Lal, K.; Punia, P. // Hydrobiologia; May2007, Vol. 583 Issue 1, p359 

    The randomly amplified polymorphic DNA (RAPD) markers were used to detect interspecific genetic variability and genetic relatedness among five Indian sciaenids namely Otolithes cuvieri, Johnieops sina, Johnieops macrorhynus, Johnieops vogleri and Protonibea diacanthus for the first time. Eight...

  • Cross-Neutralization Potential of Native Human Papillomavirus N-Terminal L2 Epitopes.
    Conway, Michael J.; Cruz, Linda; Alam, Samina; Christensen, Neil David; Meyers, Craig // PLoS ONE; 2011, Vol. 6 Issue 2, p1 

    Background: Human papillomavirus (HPV) capsids are composed of 72 pentamers of the major capsid protein L1, and an unknown number of L2 minor capsid proteins. An N-terminal ''external loop'' of L2 contains cross-neutralizing epitopes, and native HPV16 virions extracted from 20-day-old...

  • Dating the time of viral subtype divergence.
    O'Brien, John D.; Zhen-Su She; Suchard, Marc A. // BMC Evolutionary Biology; 2008, Vol. 8, Special section p1 

    Precise dating of viral subtype divergence enables researchers to correlate divergence with geographic and demographic occurrences. When historical data are absent (that is, the overwhelming majority), viral sequence sampling on a time scale commensurate with the rate of substitution permits the...

  • The genomic landscape of species divergence in Ficedula flycatchers.
    Ellegren, Hans; Smeds, Linnéa; Burri, Reto; Olason, Pall I.; Backström, Niclas; Kawakami, Takeshi; Künstner, Axel; Mäkinen, Hannu; Nadachowska-Brzyska, Krystyna; Qvarnström, Anna; Uebbing, Severin; Wolf, Jochen B. W. // Nature; 11/29/2012, Vol. 491 Issue 7426, p756 

    Unravelling the genomic landscape of divergence between lineages is key to understanding speciation. The naturally hybridizing collared flycatcher and pied flycatcher are important avian speciation models that show pre- as well as postzygotic isolation. We sequenced and assembled the 1.1-Gb...

  • Comparing the Usefulness of Distance, Monophyly and Character-Based DNA Barcoding Methods in Species Identification: A Case Study of Neogastropoda.
    Shanmei Zou; Qi Li; Lingfeng Kong; Hong Yu; Xiaodong Zheng // PLoS ONE; 2011, Vol. 6 Issue 10, p1 

    Background: DNA barcoding has recently been proposed as a promising tool for the rapid species identification in a wide range of animal taxa. Two broad methods (distance and monophyly-based methods) have been used. One method is based on degree of DNA sequence variation within and between...

  • Evolutionary divergence of chloroplast FAD synthetase proteins.
    Yruela, Inmaculada; Arilla-Luna, Sonia; Medina, Milagros; Contreras-Moreira, Bruno // BMC Evolutionary Biology; 2010, Vol. 10, p311 

    Background: Flavin adenine dinucleotide synthetases (FADSs) - a group of bifunctional enzymes that carry out the dual functions of riboflavin phosphorylation to produce flavin mononucleotide (FMN) and its subsequent adenylation to generate FAD in most prokaryotes - were studied in plants in...

  • Evolution of Rhizaria: new insights from phylogenomic analysis of uncultivated protists.
    Burki, Fabien; Kudryavtsev, Alexander; Matz, Mikhail V.; Aglyamova, Galina V.; Bulman, Simon; Fiers, Mark; Keeling, Patrick J.; Pawlowski, Jan // BMC Evolutionary Biology; 2010, Vol. 10, p377 

    Background: Recent phylogenomic analyses have revolutionized our view of eukaryote evolution by revealing unexpected relationships between and within the eukaryotic supergroups. However, for several groups of uncultivable protists, only the ribosomal RNA genes and a handful of proteins are...

  • Genetics-Based Classification of Filoviruses Calls for Expanded Sampling of Genomic Sequences.
    Lauber, Chris; Gorbalenya, Alexander E. // Viruses (1999-4915); Sep2012, Vol. 4 Issue 9, p1425 

    We have recently developed a computational approach for hierarchical, genome-based classification of viruses of a family (DEmARC). In DEmARC, virus clusters are delimited objectively by devising a universal family-wide threshold on intra-cluster genetic divergence of viruses that is specific for...

  • Repeated Lake-Stream Divergence in Stickleback Life History within a Central European Lake Basin.
    Moser, Dario; Roesti, Marius; Berner, Daniel // PLoS ONE; Dec2012, Vol. 7 Issue 12, p1 

    Life history divergence between populations inhabiting ecologically distinct habitats might be a potent source of reproductive isolation, but has received little attention in the context of speciation. We here test for life history divergence between threespine stickleback inhabiting Lake...

  • A simple quality of life questionnaire for patients with faecal incontinence.
    Krysa, Jo; Lyons, Monica; Williams, Andrew B. // International Journal of Colorectal Disease; Oct2009, Vol. 24 Issue 10, p1213 

    A simple quality of life questionnaire was designed to triage patients with faecal incontinence to the most appropriate level of support, investigation and treatment. A questionnaire was developed to include a ‘symptom’ score, similar in content to St Mark’s questionnaire and...

  • Trends in Stranding and By-Catch Rates of Gray and Harbor Seals along the Northeastern Coast of the United States: Evidence of Divergence in the Abundance of Two Sympatric Phocid Species?
    Johnston, David W.; Frungillo, Jaime; Smith, Ainsley; Moore, Katie; Sharp, Brian; Schuh, Janelle; Read, Andrew J. // PLoS ONE; 7/22/2015, Vol. 10 Issue 7, p1 

    Harbor seals and gray seals are sympatric phocid pinnipeds found in coastal waters of the temperate and sub-Arctic North Atlantic. In the Northwest Atlantic, both species were depleted through a combination of subsistence hunts and government supported bounties, and are now re-occupying...

  • Backpackers or Working Holiday Makers? Working Tourists in Australia.
    Brennan, Christopher // Qualitative Sociology Review; Jul2014, Vol. 10 Issue 3, p94 

    This article looks at a potential divergence of characteristics between backpackers and working holiday makers in Australia. While both are often lumped together within academic study, working holiday makers have a legal right to pursue employment and are entitled to rights and standards of work...

  • Microsatellite Diversity in Natural Populations of Ascomycetous Fungus, Emericella Nidulans, from Different Climatic-Edaphic Conditions in Israel.
    Hosid, Elena; Yusim, Eugenia; Grishkan, Isabella; Frenkel, Zakharia M.; Wasser, Solomon P.; Nevo, Eviatar; Korol, Abraham // Israel Journal of Ecology & Evolution; 2010, Vol. 56 Issue 2, p119 

    The genetic divergence of Israeli populations of the soil ascomycetous fungus Emericella nidulans was studied on regional and local scales using fifteen microsatellite (SSR) markers. The study was performed in the framework of the "Evolution Canyon" research program at the Institute of...

  • Functional Divergence among Silkworm Antimicrobial Peptide Paralogs by the Activities of Recombinant Proteins and the Induced Expression Profiles.
    Yang, Wanying; Cheng, Tingcai; Ye, Mingqiang; Deng, Xiaojuan; Yi, Huiyu; Huang, Yadong; Tan, Xiang; Han, Dong; Wang, Bo; Xiang, Zhonghuai; Cao, Yang; Xia, Qingyou // PLoS ONE; 2011, Vol. 6 Issue 3, p1 

    Antimicrobial peptides are small-molecule proteins that are usually encoded by multiple-gene families. They play crucial roles in the innate immune response, but reports on the functional divergence of antimicrobial peptide gene families are rare. In this study, 14 paralogs of antimicrobial...

  • Community Genetics Reveal Elevated Levels of Sympatric Gene Flow among Morphologically Similar but Not among Morphologically Dissimilar Species of Lake Victoria Cichlid Fish.
    Konijnendijk, N.; Joyce, D. A.; Mrosso, H. D. J.; Egas, M.; Seehausen, O. // International Journal of Evolutionary Biology; 2011, Vol. 2011, p1 

    We examined genetic structure among five species of Lake Victoria haplochromine cichlids in four island communities, using a full factorial sampling design that compared genetic differentiation between pairs of species and populations of varying morphological similarity and geographical...

  • molecular clock (1967) Biology.
    Konijnendijk, N.; Joyce, D. A.; Mrosso, H. D. J.; Egas, M.; Seehausen, O. // Dictionary of Theories; 2002, p349 

    Information on the theory of molecular clock is presented. The theory states that the rate of accumulation of genetic difference between two species is approximately proportional to the evolutionary time that has passed since the species diverged. The studies suggest that the divergence occurred...

  • Zoogeography of Intertidal Communities in the West Indian Ocean as Determined by Ocean Circulation Systems: Patterns from the Tetraclita Barnacles.
    Ling Ming Tsang; Yair Achituv; Ka Hou Chu; Benny Kwok Kan Chan; Senjie Lin // PLoS ONE; Sep2012, Vol. 7 Issue 9, Special section p1 

    The Indian Ocean is the least known ocean in the world with the biogeography of marine species in the West Indian Ocean (WIO) understudied. The hydrography of WIO is characterized by four distinct oceanographic systems and there were few glacial refugia formations in the WIO during the...

  • Short and long-term genome stability analysis of prokaryotic genomes.
    Brilli, Matteo; Liò, Pietro; Lacroix, Vincent; Sagot, Marie-France // BMC Genomics; 2013, Vol. 14 Issue 1, p1 

    Background: Gene organization dynamics is actively studied because it provides useful evolutionary information, makes functional annotation easier and often enables to characterize pathogens. There is therefore a strong interest in understanding the variability of this trait and the possible...

  • A Revised Time Tree of the Asterids: Establishing a Temporal Framework For Evolutionary Studies of the Coffee Family (Rubiaceae).
    Wikström, Niklas; Kainulainen, Kent; Razafimandimbison, Sylvain G.; Smedmark, Jenny E. E.; Bremer, Birgitta // PLoS ONE; May2015, Vol. 10 Issue 5, p1 

    Divergence time analyses in the coffee family (Rubiaceae) have all relied on the same Gentianales crown group age estimate, reported by an earlier analysis of the asterids, for defining the upper age bound of the root node in their analyses. However, not only did the asterid analysis suffer from...

  • Laser Transmission Holograms Maximum Permissible Exposure.
    Dawson, Paula; Wilksch, P. A. // AIP Conference Proceedings; 5/31/2010, Vol. 1226 Issue 1, p147 

    The laser illumination of holograms for public display is governed by international standard IEC 60825-3, to which the Australian Standard AS/NZS 2211.3 conforms. These standards do not accommodate vital mitigating factors of hologram replay that impinge on the level of laser power i.e. angle of...

  • Systematics of the North American menhadens: molecular evolutionary reconstructions in the genus Brevoortia (Clupeiformes: Clupeidae).
    Anderson, Joel D. // Fishery Bulletin; Jul2007, Vol. 105 Issue 3, p368 

    Evolutionary associations among the four North American species of menhadens (Brevoortia spp.) have not been thoroughly investigated. In the present study, classifications separating the four species into small-scaled and large-scaled groups were evaluated by using DNA data, and genetic...

  • Evolution of Dystaenia takesimana (Apiaceae), endemic to Ullung Island, Korea.
    Pfosser, M.; Jakubowsky, G.; Schl�ter, P.; Fer, T.; Kato, H.; Stuessy, T.; Sun, B.-Y. // Plant Systematics & Evolution; Nov2005, Vol. 256 Issue 1-4, p159 

    Dystaenia (Apiaceae) consists of two species, one distributed in Japan ( D. ibukiensis), and the other endemic to Ullung Island, Korea ( D. takesimana). In comparison with representative outgroup taxa in Ligusticum, Seseli, Angelica, and Osmorhiza, Dystaenia is shown to be monophyletic based on...

  • Normapolles plants: a prominent component of the Cretaceous rosid diversification.
    Friis, E.; Pedersen, K.; Sch�nenberger, J. // Plant Systematics & Evolution; Sep2006, Vol. 260 Issue 2-4, p107 

    The Normapolles complex, characterised by its oblate and triaperturate pollen, constitutes an important and diverse element of many Late Cretaceous and Early Cainozoic floras of the Northern Hemisphere. Based on the dispersed pollen record alone it has been difficult to assess systematic...

  • Genetic structure of peripheral, island-like populations: a case study of Saponaria bellidifolia Sm. (Caryophyllaceae) from the Southeastern Carpathians.
    Cserg�, Anna-M�ria; Sch�nswetter, Peter; Mara, Gy�ngyv�r; De�k, Tam�s; Boscaiu, Nicolae; H�hn, M�ria // Plant Systematics & Evolution; Mar2009, Vol. 278 Issue 1/2, p33 

    Geographically peripheral populations often experience a reduction of genetic diversity and divergence from the core populations. Habitat geometry and quality can induce a local genetic diversity pattern, which overlies the regional variability issued from the range-wide phylogeography. We...

  • Genetic Structure in Contemporary South Tyrolean Isolated Populations Revealed by Analysis of Y-Chromosome, mtDNA, and Alu Polymorphisms.
    Pichler, Irene; Mueller, Jakob C.; Stefanov, Stefan A.; de Grandi, Alessandro; Volpato, Claudia Beu; Pinggera, Gerd K.; Mayr, Agnes; Ogriseg, Martin; Ploner, Franz; Meitinger, Thomas; Pramstaller, Peter P. // Human Biology; Aug2006, Vol. 78 Issue 4, p441 

    Most of the inhabitants of South Tyrol in the eastern Italian Alps can be considered isolated populations because of their physical separation by mountain barriers and their sociocultural heritage. We analyzed the genetic structure of South Tyrolean populations using three types of genetic...

  • Prevalence of monochloroacetate degrading genotypes among soil isolates of Pseudomonas sp.
    Kocabiyik, Semra; Caba, Ebru // Biodegradation; 1998, Vol. 8 Issue 6, p371 

    This study reports the isolation of Pseudomonas sp. strains with monochloroacetate (MCA) degradation function, from uncontaminated soil, and the use of Southern blot hybridization technique to detect MCA degrading catabolic genes and their divergence. Based on their capacity to remove Cl- from...

  • Late ontogeny growth acceleration and size form transformations in Transbaikalian Arctic charr, Salvelinus alpinus complex: evidence from fin ray cross section growth layers.
    Alekseyev, Sergey; Mina, Mikhail; Smirina, Ella; Sokolov, Aleksey // Environmental Biology of Fishes; Dec2009, Vol. 86 Issue 4, p487 

    In some polymorphic populations of Arctic charr in Transbaikalia, an individual can transform from a smaller to larger size form during their lifetime as a result of accelerated growth that follows a period of slow growth and reproduction as a small size form. Alternating periods of slow and...

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