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53篇 您的检索式:作者名="Ivan Roberts"
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1基于MaxEnt模型的小兴安岭东北虎潜在生境适宜性评价显示文摘小兴安岭是东北虎的历史分布区之一,近年来东北虎数次重返小兴安岭,预示了小兴安岭东北虎种群恢复的可能性。为了探明小兴安岭作为东北虎栖息地的适宜程度,本文以我国小兴安岭及俄罗斯联邦阿穆尔州、犹太自治州为整体研究区域,利用该区域内东北虎出现点数据,采用MaxEnt模型,以植被、气候、地形、积雪4类环境数据为基础,分析自然环境条件下小兴安岭东北虎潜在生境的适宜性及空间分布。结果显示:小兴安岭东北虎潜在适宜生境面积为0.96×10~4~1.03×10~4 km^2,主要位于小兴安岭北部和东部,中部、西部和东南部有少量分散适宜生境;次适宜生境面积为2.46×10~4~2.76×10~4 km^2,主要位于适宜生境周边区域;叶灌层差异、蒸散量、归一化植被指数、叶面积指数等植被相关因素及降水季节性、最冷季降水量等气候因素是影响东北虎栖息地适宜程度的主要环境特征变量。小兴安岭仍具备东北虎种群生存的自然条件。朱世兵 曲艺 Yachmennikova Anna Kotlov Ivan Sandlerskiy Robert Rozhnov Viatcheslav Hernandez-Blanco Jose Antonio 张士芳 刘应竹 张弘强 2020兽类学报2020,40,4:10
2Chromosome-scale scaffolding of the black raspberry (Rubus occidentalis L.) genome based on chromatin interaction data显示文摘Black raspberry(Rubus occidentalis L.)is a niche fruit crop valued for its flavor and potential health benefits.The improvement of fruit and cane characteristics via molecular breeding technologies has been hindered by the lack of a high-quality reference genome.The recently released draft genome for black raspberry(ORUS 4115-3)lacks assembly of scaffolds to chromosome scale.We used high-throughput chromatin conformation capture(Hi-C)and Proximity-Guided Assembly(PGA)to cluster and order 9650 out of 11,936 contigs of this draft genome assembly into seven pseudo-chromosomes.The seven pseudo-chromosomes cover~97.2%of the total contig length(~223.8 Mb).Locating existing genetic markers on the physical map resolved multiple discrepancies in marker order on the genetic map.Centromeric regions were inferred from recombination frequencies of genetic markers,alignment of 303 bp centromeric sequence with the PGA,and heat map showing the physical contact matrix over the entire genome.We demonstrate a high degree of synteny between each of the seven chromosomes of black raspberry and a high-quality reference genome for strawberry(Fragaria vesca L.)assembled using only PacBio long-read sequences.We conclude that PGA is a cost-effective and rapid method of generating chromosome-scale assemblies from Illumina short-read sequencing data.Rubina Jibran Helge Dzierzon Nahla Bassil Jill M.Bushakra Patrick P.Edger Shawn Sullivan Chad E.Finn Michael Dossett Kelly J.Vining Robert VanBuren Todd C.Mockler Ivan Liachko Kevin M.Davies Toshi M.Foster David Chagné 2018Horticulture Research2018,5,1:4
3Drug-induced gingival overgrowth in cardiovascular patients显示文摘Drug-induced gingival overgrowth(DIGO)is a pathological growth of gingival tissue,primarily associated with calcium channel blockers and immunosuppressants.Consequently,it is mainly seen in cardiovascular and transplanted patients.Nifedipine remains the main calcium channel blocker related to the development of this unpleasant side-effect.As for immunosuppress-ants,cyclosporin is the leading causative agent,whereas other drugs from this druggroup,including tacrolimus,have better safety profiles.Accumulated collagen with inflammatory infiltrates is the histological hallmark of this condition.Several factors are involved in the pathogenesis and can increase the risk,such as male gender,younger age,pre-existing periodontal inflammation,and concomitant use of other DIGO-inducing medications.Patients with DIGO may experience severe discomfort,trouble with speech and mastication,pain,and teeth loss,aside from cosmetic implications.Furthermore,these patients also have an increased risk for cardiovascular diseases.The interdisciplinary approach and cooperation with dental care experts are necessary for patient management.Treatment includes discontinuing the drug and switching to one with a better profile,improving oral hygiene,and surgical removal of enlarged tissue.Recognizing the potential of commonly used medications to cause DIGO and its effect on patients'health is necessary for early detection and adequate management of this complication.Lucija Bajkovec Anna Mrzljak Robert Likic Ivan Alajbeg 2021World Journal of Cardiology2021,13,4:1
4Development and evolution of the vertebrate primary mouth显示文摘Vladimír Soukup Ivan Horácek Robert Cerny 2012Journal of Anatomy2012,,1:1
5Identification and characterization of a Drosophila ortholog of W RN exonuclease that is required to maintain genome integrity显示文摘Robert DC Ivan B David J C 2008Aging cell2008,7,3:1
6Current thinking on the management of tuberculosis显示文摘Ivan Bastian Rick Stapledon Robert Colebunders 2003Current Opinion in Pulmonary Medicine2003,,3:1
7Warm Induction Blood Cardioplegia in the Infant 显示文摘 Ivan M Robert J 1990J Thorac Cardiovase Surg1990,100,4:1
8Ecological relative risk (EcoRR): another approach for risk assessment of pesticides in agriculture显示文摘Francisco Sánchez-Bayo Sundaram Baskaran Ivan Robert Kennedy 2002Agriculture Ecosystems and Environment2002,,1:1
9Laminin, gamma 2 (LAMC2): A Promising New Putative Pancreatic Cancer Biomarker Identified by Proteomic Analysis of Pancreatic Adenocarcinoma Tissues显示文摘Hari Kosanam Ioannis Prassas Caitlin C. Chrystoja Ireena Soleas Alison Chan Apostolos Dimitromanolakis Ivan M. Blasutig Felix Rückert Robert Gruetzmann Christian Pilarsky Masato Maekawa Randall Brand Eleftherios P. Diamandis 2013Molecular & Cellular Proteomics2013,,10:1
101-Ethyl-3-methylimidazolium halogenoaluminate ionic liquids as reaction media for the acylative cleavage of ethers 显示文摘Laine G Ivan H Robert D 2000Tetrahedron Letters2000,41,9:1
11Nonmyeloablative HLA-Haploidentical Bone Marrow Transplantation with High-Dose Posttransplantation Cyclophosphamide: Effect of HLA Disparity on Outcome显示文摘Yvette L. Kasamon Leo Luznik Mary S. Leffell Jeanne Kowalski Hua-Ling Tsai Javier Bola?os-Meade Lawrence E. Morris Pamela A. Crilley Paul V. O’Donnell Nancy Rossiter Carol Ann Huff Robert A. Brodsky William H. Matsui Lode J. Swinnen Ivan Borrello Jonathan 2010Biology of Blood and Marrow Transplantation2010,,4:1
12Transpapillary stenting of proximal biliary strictures: does biliary sphincterotomy reduce the risk of postprocedure pancreatitis?显示文摘Paul R. Tarnasky John T. Cunningham Robert H. Hawes Brenda J. Hoffman Renan Uflacker Ivan Vujic Peter B. Cotton 1997Gastrointestinal Endoscopy1997,,1:1
13Genetic algorithm in material model parameters identification for low-cycle fatigue 显示文摘Franulovic Marina Basan Robert Prebil Ivan 2009Computational Materials Science2009,45,2:1
14Selective differentiation of mammalian bone marrow stromal cells cultured on three dimensioned polymerfoams显示文摘Ivan M Venkantram PS Robert FP 2001J Biomed Mater Res2001,55,2:1
15All-optical OCDMA code-drop unit for transparent ring networks显示文摘Camille-Sophie Bres Ivan Glesk Robert J Runser 2005IEEE Photon Technol Lett2005,17,5:1
16Nitrous oxide sources and sinks in coastal aquifers and coupled estuarine receiving waters显示文摘MICHAEL G L ROBERT D IVAN V 2003The Science of the Total Environment2003,309,:1
17Nitrous oxide sources and sinks in coastal aquifers and coupled estuarine receiving waters显示文摘Michael G. LaMontagne Robert Duran Ivan Valiela 2002Science of the Total Environment2002,,1:1
18A fiber-based constitutive model predicts changes in amount and organization of matrix proteins with development and disease in the mouse aorta显示文摘Jeffrey K. Cheng Ivan Stoilov Robert P. Mecham Jessica E. Wagenseil 2013Biomechanics and Modeling in Mechanobiology2013,,:1
19Liquidity and In surance for the Unemployed显示文摘Shimer Robert and Ivan Werning 2008American Economic Review 982008,5,:1
20Numerical determination of carrying capacity of large rolling bearings显示文摘Robert Kunc Ivan Prebil 2004Journal of Materials Processing Technology2004,,6:1
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