Scribd is the worlds largest social reading and publishing site. Microbicidal effect of solar radiation sodis combined with. Material and methods this study was conducted in baise, guangxi province, which is located in the southwest of china. It has been proposed that cam photosynthesis, which evolved from the ancestral c3 pathway, has played a role in the diversification of some prominent plant groups because it may have allowed them to colonize and successfully spread into arid or semi. A prerequisite for such evolutionary reconstruction is a sufficiently robust phylogeny for the family based on molecular and morphological characters, given the. Syntenic relationships between medicago truncatula and arabidopsis reveal extensive divergence of genome organization1w hongyan zhu 2, dongjin kim, jongmin baek, hongkyu choi, leland c. Wells songia many collections of several species of spongia, closely related to s. However, no evidence for adaptation at the level of protein coding genes was found, so it has been suggested that selection may. Givnish tj, wong sc, stuartwilliams h, hollowayphillips m, farquhar gd 2014 determinants of maximum tree height of eucalyptus along a rainfall gradient in victoria, australia. Molecular phylogenetics of the ronnbergia alliance. Adaptive radiation, correlated and contingent evolution. Bromeliaceae profile of an adaptative radiation free download as pdf file. Available formats pdf please select a format to send. Bromeliads have different habits, varying from terrestrial to epiphytical, and are found from sea level to altitudes above 4,000 m, in both desert and humid regions, as well as in soils subject to regular floods and in.
Molecular adaptation during adaptive radiation in the. Download fulltext pdf download fulltext pdf download fulltext pdf multimessenger observations of a binary neutron star merger article pdf available october 2017 with 40,633 reads. The family is known for its recent adaptive radiation. This ecological diversification appears to have occurred in independent episodes of adaptive radiation of different groups of species in extreme environments ranker et al. Morphological phylogenetic analysis of two earlydiverging. When plant flowers the center of the rosette turn scarlet surrounding the dense. Reporters for sensitive and quantitative measurement. In the neotropics, epiphytic tank bromeliads bromeliaceae harbour a distinct fauna of terrestrial invertebrates that is mainly composed of predators, such as ants and spiders. Progress toward this goal initially was slow, partly because bromeliads are taxonomically isolated, with no clear outgroup with which to. Atlas of genetics and cytogenetics in oncology and haematology. B adaptive radiation is the diversification of an ancestral species into many from biology 101 at rutgers university.
First record of arthropods associated with greigia juareziana. Bromeliaceae family, with 3248 species distributed in 58 genera, is an example of a large and well described adaptive radiation of plant families in the neotropics. Profile of an adaptive radiation, is unconvinced by this argument, but concedes it may be accurate. Tillandsia gardneri grows as an epiphite on trees and other plants in tropical dry areas but will grow on almost anything. Almost 50% of the estimated 2500 species in the bromeliaceae grow epiphytically in a remarkably wide range of habitats from inhospitable deserts to tropical rain forests benzing 2000. An efficient protocol for micropropagation and genetic stability analysis of melia dubia cav. Geographic structure in two highly diverse lineages of. Astonishing 35s rdna diversity in the gymnosperm species. American journal of botany botanical society of america. Adaptive radiation, driven in part by the key innovations of absorptive trichomes and tanks, and by repeated acquisition of cam photosynthesis, clearly led to part of this diversity, through the invasion of the epiphytic and lithophytic adaptive zones. Adaptive radiation, correlated and contingent evolution, and net species diversification in bromeliaceae author links open overlay panel thomas j.
Phylogeny, adaptive radiation, and historical biogeography of bromeliaceae inferred from ndhf sequence data. The arched, folded leaves act as collectors for dew or mist. Psds of three simulated light curves produced from the same variability pattern in the accretion. Reversal of mutualism as a mechanism for adaptive radiation. Choose from 500 different sets of biology speciation flashcards on quizlet. Read adaptive radiation, correlated and contingent evolution, and net species diversification in bromeliaceae, molecular phylogenetics and evolution on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
The high degree of genetic similarity among species suggests that they all share a single recent common ancestor, and that the evolution and adaptive radiation of this group occurred on the hawaiian islands. Looks like this nonprofit hasnt claimed their profile yet. This study is among the first to test a priori hypotheses about the relationships among phylogeny, phenotypic evolution, geographic spread, and net species diversification, and to argue for causality to flow from. Bromeliads have different habits, varying from terrestrial to epiphytical, and are found from sea level to altitudes above 4,000 m, in both desert and humid regions, as well as in soils subject to regular floods and in places with very low or high luminosity. Journal of tropical ecology publishes papers in the important and now established field of the ecology of tropical regions. No singlesource platform for site identification and the lack of a centralized. Learn biology speciation with free interactive flashcards. Growing catopsis bromeliad society of queensland inc. Old age is the single greatest risk factor for the leading causes of death in the developed world. Nov 11, 2009 this study was designed to test the hypothesis that the spectral composition of incident radiation, as defined by the relative proportions of blue b. Withinpopulation spatial genetic structure in four. An efficient protocol for micropropagation and genetic. A role for reactive oxygen species in the resolution of. Material and methods floral phenology, life span, and floral presentation.
Genetics, evolution and conservation of bromeliaceae. Biphasic decay of guide rnas in trypanosoma brucei christopher m. Identification of potential mirnas and their targets in. Catalogue of bromeliad literature march 2001 contains titles of books, dissertations and a selection of recent articles from journals. Syntenic relationships between medicago truncatula and. Studies of bromeliaceae species have demonstrated the presence of a large variety of chemical constituents that have important biological activities such as. Sytsma department of botany, university of wisconsin, madison, wisconsin 53706, usa. Wencai wang queen mary, university of london 2 publications 0 citations see profile lu ma queen mary, university of london 26 publications 282. Mh, 19 may 2000, hiroshima, japan overview of effects and protection of nonionizing radiation maila hietanen, professor finnish institute of occupational health.
Road, avenue road cross, bangalore 560 076, india 2arid forest research institute icfre, new pali road, jodhpur 342 008, india. It provides a highquality forum to publish rapidly and interact across this boundary in two main ways. Read molecular phylogenetics of the ronnbergia alliance bromeliaceae, bromelioideae and insights into their morphological evolution, molecular phylogenetics and evolution on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at. The journal aims to bridge the specific subject areas in plant systematics and evolution, encompassing evolutionary, phylogenetic and biogeographical studies at the populational, specific and higher taxonomic levels.
The bromeliaceae are exclusive to the tropical and subtropical areas of the americas except for one african species and show extreme adaptive radiation. Department of biology, vanderbilt university, nashville, tennessee 37235. Bromeliaceae subfamilies show divergent trends of genome. A multicentre study of the evidence for customized margins in. Species interactions are a major source of adaptive radiation. Adaptive radiation of pollination mechanisms in sparaxis. Advances in aging research promise to alleviate the diseases of aging by targeting aging itself. The roles of adaptive radiation visavis limited dispersal and sexual selection in promoting speciation in other groups african riftlake cichlids, coral reef fish, lilies and their relatives are also discussed, with special reference to the phenomena of convergent adaptive radiations and of visual selection. The case is much stronger for two other bromeliads, namely, brochinia reducta and hechtioides. Species of this typical neotropical family have evolved to fill a variety of niches in a highly heterogeneous habitat, with an amazing diversity of adaptations benzing, 2000. Direct observations of 14 of the 15 sparaxisspecies were made during the years 1993 to 1999 in the field and in living collections at the missouri botanical garden, st. Jan 24, 2018 wide inconsistency observed among clinical trials startup time. Phylogeny, adaptive radiation, and historical biogeography.
Department of biology, colgate university, hamilton, new york 346 abstract. The neotropical genus tillandsia bromeliaceae is an excellent model system for macroevolutionary and biogeographic studies owing to its remarkable species diversity ca. In view of this situation, and using a morphological phylogenetic analysis, our aims were. Multiple origins of crassulacean acid metabolism and the. Diversification in bromeliads has been linked to several key innovations, including water and nutrientimpounding phytotelmata, absorptive epidermal trichomes, and the waterconserving mode. The large neotropical family bromeliaceae presents an outstanding example of adaptive radiation in plants, containing a wide range of terrestrial and epiphytic lifeforms occupying many distinct habitats. Verification imaging data acquired using conebeam ct, megavoltage ct or twodimensional kilovoltage imaging on 218 patients were used 1574 images. Superimposed intensity variations during a forbush decrease 2 papers lockwood, j. Profile of an adaptive radiation cambridge university press, 06apr2000 4 paul t. Diversity and ecology of epiphytic bromeliads along an.
The aim of this study is to explore the linking between morphology, biomass allocation, allometric scaling relationship and life stage. Removal of formaldehyde by some air plant species in epiphytic tillandsia bromiliaceae proceedings of 14 th iastem international conference, bangkok, thailand, 14 february 2016, isbn. We report the first evidence for adaptive changes at the dna and protein sequence level that may have been associated with the evolution of photosynthetic performance and colonization of new habitats during a recent adaptive radiation in an island plant genus. Several fauna function as pollinators of bromeliaceae, which is among the few families in which vertebrates predominate over insects in this process sazima et al. Blue radiation stimulates photosynthetic induction in fagus. Few studies have analysed genome sizes in bromeliaceae 31,32,33,34, which hinders our ability to understand the relevance of genome size variation in bromeliads and its ecological implications. Costa, and the taxonomy and geographical distribution of this species are discussed.
Identification of potential mirnas and their targets in vriesea carinata poales, bromeliaceae. We will email to confirm that your organization can accept shipments. He was named president and chief executive officer in june 2004 and elected chairman of the board in october 2004. Modelling agn and bhxrb xray variability patricia arevalo figure 3. Growth and survival of tillandsia flexuosa on electrical. Molecular phylogeny of an endemic radiation of cuban toads. Interface welcomes articles of high quality research at the interface of the physical and life sciences. While the newly uplifted northern andes and serra do mar would have provided unoccupied montane regions likely to trigger adaptive radiations in epiphytic groups, we must recognize that any such radiation in bromeliads would have had to compete at least with the epiphytic epidendroid orchids, which began diversifying 50 mya ramirez et al. Diurnal versus nocturnal pollination success in billbergia.
This bromeliad revolution occurred after the uplift of the northern andes and shift of the amazon to its present course. Louzada for confirming the identification of orthophytum species and r. Access to experts john stropki chairman, president and ceo lincoln holdings, inc john stropki has been a director of the lincoln holdings since 1998. B adaptive radiation is the diversification of an ancestral. Shapiro department of biochemistry and molecular biology, university of chicago, 920 e. The rate of phenotypic and ecological adaptations is extremely fast during such events, suggesting that many genes may be under fairly strong selection. A companion paper will calculate the rate of net species diversification for each major bromeliad clade and relate the observed differences in diversification rate to differences among clades in morphology, ecology, geographic disribution, mode of seed dispersal, and time of adaptive radiation. Overview of effects and protection of nonionizing radiation. Reproductive and vegetative structure and related physiology, ecology and evolution are emphasized, rather than floristics and taxonomy. Wide inconsistency observed among clinical trials startup.
Allometric scaling relationships for morphology and biomass. This article is from journal of radiation research, volume 55. Leaf morphoanatomical variations in billbergia elegans. Leaf morphoanatomical variations in billbergia elegans and neoregelia mucugensis bromeliaceae exposed to low and high solar radiation. Six largescale adaptive radiations and accompanying pulses of speciation account for 86% of total species richness in the family. Recent phylogenetic studies have greatly improved our knowledge about generic limits and infrageneric. The phylogeny of the family bromeliaceae springerlink.
Givnish tj, montgomery ra 2014 commongarden studies on adaptive radiation of photosynthetic physiology among hawaiian lobeliads. Papers may deal with terrestrial, freshwater and strandcoastal tropical ecology, and both those devoted to the results of original research as well as those which. Crassulacean acid metabolism cam is a photosynthetic pathway that significantly increases water use efficiency in plants. Why is aging conserved and what can we do about it. A new name and new status in vriesea bromeliaceae from. Adaptive radiation, dispersal, and diversification of the. Measuring the terminal velocity of tiny diaspores seed. We have addressed both issues for four closely related plant species of the adaptive radiation bromeliaceae, alcantarea imperialis, a. Phylogeny, adaptive radiation, and historical biogeography of. Buy terry bennett ebooks to read online or download in pdf or epub on your pc, tablet or mobile device. Fluctuatingaccretion model for agn and bhxrb xray variability. The bromeliaceae the bromeliads is a family of monocot flowering plants of 75 genera and around 3590 known species native mainly to the tropical americas, with a few species found in the american subtropics and one in tropical west africa, pitcairnia feliciana it is among the basal families within the poales and is the only family within the order that has septal nectaries and inferior. Because of their diversity, the bromeliaceae provide an excellent model of adaptive radiation on which to trace the origins of cam and the epiphytic habit in closely related taxa. From may 2003 to june 2004, he served as lincolns chief operating officer.
Reversal of mutualism as a mechanism for adaptive radiation in yucca moths olle pellmyr1, and james leebensmack1,2 1. Using data from two mitochondrial genes, cytochrome c oxidasesubuniticoiand16sribosomalrna16s,andfrom. Profile of an adaptive radiation this book presents a synthesis of the extensive information available on the biology of bromeliaceae, a largely neotropical family of about 2700 described species. Barfuss b benjamin van ee c ricarda riina d katharina schulte e f ralf horres g philip a. Adaptive radiation, correlated and contingent evolution, and. Astonishing 35s rdna diversity in the gymnosperm species cycas revoluta thunb article in chromosoma december 2015 impact factor.
Pdf multimessenger observations of a binary neutron star. Because the document would be of wider interest, the committee requested the secretariat to investigate means to issue it as a public document on its website. To determine if subsets of patients may benefit from smaller or larger margins when using laser setup and bony anatomy verification of breast tumour bed tb boost radiotherapy rt. Guidestar believes that indepth and comparable data about organizations can create real change within the nonprofit sector. Benzing bromeliaceae profile of an ad aptive radiation 2000. New genus and species records of bromeliaceae in the caatinga acknowledgments. Abstractreactive oxygen species ros are involved in amplifying the radiation induced damage to. Benzing oberlin college, usa with contributions by b. Atlas of genetics and cytogenetics in oncology and haematology elks identity other names rab6interacting protein 2, erc1 location 12p. Background explosive adaptive radiations on islands remain one of the most puzzling evolutionary phenomena. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Penna is elevated to the rank of species and given the new name v. The results of these calculations will be displayed and compared with the experimental dosimetry results in section. Department of microbiology and immunology, and witebsky center for microbial pathogenesis and immunology, school of medicine and biomedical sciences, state university of new york at buffalo, buffalo, new york 14214, usa.
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