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princess tree

Princess S Gilbert, Jing Wu, Margaret W Simon, Janet S Sinsheimer, Michael E Alfaro
Despite genome scale analyses, high-level relationships among Neoaves birds remain contentious. The placements of the Neoaves superorders are notoriously difficult to resolve because they involve deep splits followed by short internodes. Using our approach, we investigate whether filtering UCE loci on their phylogenetic signal to noise ratio helps to resolve key nodes in the Neoaves tree of life. We find that our analysis of data sets filtered for high signal to noise ratio results in topologies that are inconsistent with unfiltered results but that are congruent with whole-genome analyses...
April 4, 2018: Molecular Phylogenetics and Evolution
Hugo F Gante, Michael Matschiner, Martin Malmstrøm, Kjetill S Jakobsen, Sissel Jentoft, Walter Salzburger
How variation in the genome translates into biological diversity and new species originate has endured as the mystery of mysteries in evolutionary biology. African cichlid fishes are prime model systems to address speciation-related questions for their remarkable taxonomic and phenotypic diversity, and the possible role of gene flow in this process. Here, we capitalize on genome sequencing and phylogenomic analyses to address the relative impacts of incomplete lineage sorting, introgression and hybrid speciation in the Neolamprologus savoryi-complex (the 'Princess cichlids') from Lake Tanganyika...
December 2016: Molecular Ecology
Princess S Gilbert, Jonathan Chang, Calvin Pan, Eric M Sobel, Janet S Sinsheimer, Brant C Faircloth, Michael E Alfaro
Ultraconserved elements (UCEs) have become popular markers in phylogenomic studies because of their cost effectiveness and their potential to resolve problematic phylogenetic relationships. Although UCE datasets typically contain a much larger number of loci and sites than more traditional datasets of PCR-amplified, single-copy, protein coding genes, a fraction of UCE sites are expected to be part of a nearly invariant core, and the relative performance of UCE datasets versus protein coding gene datasets is poorly understood...
November 2015: Molecular Phylogenetics and Evolution
Pete L Clark, Jaime Molina-Ochoa, Samuel Martinelli, Steven R Skoda, David J Isenhour, Donald J Lee, Jeffrey T Krumm, John E Foster
Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), the fall armyworm is the most economically important maize pest in the western hemisphere. This research focused on the genetic variability of the maize host strain because there is a lack of information in this area of S. frugiperda research. Amplified fragment length polymorphism (AFLP) was used to assess the genetic variability of S. frugiperda over a large geographic area. Twenty populations were collected from the maize, one population was collected from princess tree, one population was collected from lemon tree, and one population was collected from bermudagrass...
2007: Journal of Insect Science
Maree Jarrett
BACKGROUND: Limited organ availability and an increasing demand for organ transplantation has extended transplant waiting times and thus increased morbidity and mortality for potential recipients on waiting lists. The Queensland Liver Transplant Service identified use of clinical practice guidelines developed from evidence-based practice as a strategic clinical management/workflow tool that could improve clinical outcomes for patients awaiting liver transplant. METHOD: An extensive review of publications related to the management of advanced liver disease in potential transplant recipients was undertaken and the supporting evidence was identified...
June 2009: Progress in Transplantation
Anthony Wollaston, Paul Fahey, Michelle McKay, Desley Hegney, Peter Miller, James Wollaston
INTRODUCTION: In Australia a nationally adopted five tiered triage scale called the Australasian triage scale (ATS) is used for the purpose of differentiating patient acuity levels for all patients that present to an emergency department (ED). The scale was formulated with the aim of promoting a standardized approach to triage. Numerous studies now suggest that the ATS has not been successful in achieving this intention. The Toowoomba adult trauma triage tool (TATTT) seeks to address this deficiency by providing an evidence based, reproducible, reliable and valid method of triage categorisation, albeit in a select group of patients...
October 2004: Accident and Emergency Nursing
C Erlichman, P Warde, T Gadalla, A Ciampi, T Baskerville
A retrospective chart review was conducted of women with stage III breast cancer seen at the Princess Margaret Hospital between January 1977 and December 1980. Three hundred and sixty-nine patients were available for analysis. These cases were evaluated to determine the prognostic factors of patients presenting with this stage of the disease using a recursive partitioning technique, RECPAM, and a Cox regression model. A non-mathematical description of RECPAM is presented and the advantages of RECPAM over Cox analysis are discussed...
October 1990: Breast Cancer Research and Treatment
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