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Landscape design

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https://www.readbyqxmd.com/read/28333995/better-living-through-conifer-removal-a-demographic-analysis-of-sage-grouse-vital-rates
#1
John P Severson, Christian A Hagen, Jason D Tack, Jeremy D Maestas, David E Naugle, James T Forbes, Kerry P Reese
Sagebrush (Artemisia spp.) obligate wildlife species such as the imperiled greater sage-grouse (Centrocercus urophasianus) face numerous threats including altered ecosystem processes that have led to conifer expansion into shrub-steppe. Conifer removal is accelerating despite a lack of empirical evidence on grouse population response. Using a before-after-control-impact design at the landscape scale, we evaluated effects of conifer removal on two important demographic parameters, annual survival of females and nest survival, by monitoring 219 female sage-grouse and 225 nests in the northern Great Basin from 2010 to 2014...
2017: PloS One
https://www.readbyqxmd.com/read/28332820/kinetic-landscape-of-a-peptide-bond-forming-prolyl-oligopeptidase
#2
Clarissa Melo Czekster, James H Naismith
Prolyl oligopeptidase B from Galerina marginata (GmPOPB) has recently been discovered as a peptidase capable of breaking and forming peptide bonds to yield a cyclic peptide. Despite the relevance of prolyl oligopeptidases in human biology and disease, a kinetic analysis pinpointing rate-limiting steps for a member of this enzyme family is not available. Macrocyclase enzymes are currently exploited to produce cyclic peptides with potential therapeutic applications. Cyclic peptides are promising drug-like molecules due to their stability and conformational rigidity...
March 23, 2017: Biochemistry
https://www.readbyqxmd.com/read/28331992/hiv-testing-in-men-who-have-sex-with-men-a-follow-up-review-of-the-qualitative-literature-since-2010
#3
REVIEW
Chi-Wai Lui, Judith Dean, Allyson Mutch, Limin Mao, Joseph Debattista, Jime Lemoire, Chris Howard, Andrea Whittaker, Olivia Hollingdrake, Lisa Fitzgerald
The landscape of HIV testing has changed significantly in recent years following the rise in importance of the 'treatment as prevention' strategy and advancements in new HIV testing and prevention technologies. This review provides a synthesis of qualitative research findings published since 2010 on preferences and practices of men who have sex with men (MSM) surrounding HIV testing in high-income settings. MSM are one of the hardest groups to reach with standard or conventional HIV testing approaches. To develop innovative testing strategies for this particular group, a good understanding of their concerns, barriers and facilitators of accessing HIV testing is needed...
March 22, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28327926/genomic-characterisation-of-her2-positive-breast-cancer-and-response-to-neoadjuvant-trastuzumab-and-chemotherapy-results-from-the-acosog-z1041-alliance-trial
#4
R Lesurf, O L Griffith, M Griffith, J Hundal, L Trani, M A Watson, R Aft, M J Ellis, D Ota, V J Suman, F Meric-Bernstam, A M Leitch, J C Boughey, G Unzeitig, A U Buzdar, K K Hunt, E R Mardis
Background: HER2 ( ERBB2 ) gene amplification and its corresponding overexpression are present in 15-30% of invasive breast cancers. While HER2-targeted agents are effective treatments, resistance remains a major cause of death. The American College of Surgeons Oncology Group Z1041 trial (NCT00513292) was designed to compare the pathologic complete response (pCR) rate of distinct regimens of neoadjuvant chemotherapy and trastuzumab, but ultimately identified no difference [1]. Patients and methods: In supplement to tissues from 37 Z1041 cases, 11 similarly treated cases were obtained from a single institution study (NCT00353483)...
February 21, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28324144/participatory-planning-monitoring-and-evaluation-of-multi-stakeholder-platforms-in-integrated-landscape-initiatives
#5
Koen Kusters, Louise Buck, Maartje de Graaf, Peter Minang, Cora van Oosten, Roderick Zagt
Integrated landscape initiatives typically aim to strengthen landscape governance by developing and facilitating multi-stakeholder platforms. These are institutional coordination mechanisms that enable discussions, negotiations, and joint planning between stak4eholders from various sectors in a given landscape. Multi-stakeholder platforms tend to involve complex processes with diverse actors, whose objectives and focus may be subjected to periodic re-evaluation, revision or reform. In this article we propose a participatory method to aid planning, monitoring, and evaluation of such platforms, and we report on experiences from piloting the method in Ghana and Indonesia...
March 21, 2017: Environmental Management
https://www.readbyqxmd.com/read/28322180/operative-landscape-at-canadian-neurosurgery-residency-programs
#6
Michael K Tso, Ayoub Dakson, Syed Uzair Ahmed, Mark Bigder, Cameron Elliott, Daipayan Guha, Christian Iorio-Morin, Michelle Kameda-Smith, Pascal Lavergne, Serge Makarenko, Michael S Taccone, Bill Wang, Alexander Winkler-Schwartz, Tejas Sankar, Sean D Christie
Background Currently, the literature lacks reliable data regarding operative case volumes at Canadian neurosurgery residency programs. Our objective was to provide a snapshot of the operative landscape in Canadian neurosurgical training using the trainee-led Canadian Neurosurgery Research Collaborative. METHODS: Anonymized administrative operative data were gathered from each neurosurgery residency program from January 1, 2014, to December 31, 2014. Procedures were broadly classified into cranial, spine, peripheral nerve, and miscellaneous procedures...
March 21, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/28320953/species-richness-alone-does-not-predict-cultural-ecosystem-service-value
#7
Rose A Graves, Scott M Pearson, Monica G Turner
Many biodiversity-ecosystem services studies omit cultural ecosystem services (CES) or use species richness as a proxy and assume that more species confer greater CES value. We studied wildflower viewing, a key biodiversity-based CES in amenity-based landscapes, in Southern Appalachian Mountain forests and asked (i) How do aesthetic preferences for wildflower communities vary with components of biodiversity, including species richness?; (ii) How do aesthetic preferences for wildflower communities vary across psychographic groups?; and (iii) How well does species richness perform as an indicator of CES value compared with revealed social preferences for wildflower communities? Public forest visitors (n = 293) were surveyed during the summer of 2015 and asked to choose among images of wildflower communities in which flower species richness, flower abundance, species evenness, color diversity, and presence of charismatic species had been digitally manipulated...
March 20, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28319394/a-network-of-conformational-transitions-in-the-apo-form-of-ndm-1-enzyme-revealed-by-md-simulation-and-a-markov-state-model
#8
Kaifu Gao, Yunjie Zhao
New Delhi metallo-β-lactamase-1 (NDM-1) is a novel β-Lactamase enzyme that confers enteric bacteria with nearly complete resistance to all β-lactam antibiotics, so raises a formidable and global threat to human health. However, the binding mechanism between apo-NDM-1 and antibiotics as well as related conformational changes remains poorly understood, which largely hinders the overcoming of its antibiotic resistance. In our study, long-time conventional molecular dynamics simulation and Markov state models were applied to reveal both dynamical and conformational landscape of apo-NDM-1: the MD simulation demonstrates that the loop L3, which is responsible for antibiotic binding, is the most flexible and undergoes dramatic conformational changes; moreover, the Markov state model built from the simulation maps four metastable states including open, semi-open and closed conformations of the loop L3 as well as frequent transitions between the states...
March 20, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28306717/barriers-to-dog-rabies-vaccination-during-an-urban-rabies-outbreak-qualitative-findings-from-arequipa-peru
#9
Ricardo Castillo-Neyra, Joanna Brown, Katty Borrini, Claudia Arevalo, Michael Z Levy, Alison Buttenheim, Gabrielle C Hunter, Victor Becerra, Jere Behrman, Valerie A Paz-Soldan
BACKGROUND: Canine rabies was reintroduced to the city of Arequipa, Peru in March 2015. The Ministry of Health has conducted a series of mass dog vaccination campaigns to contain the outbreak, but canine rabies virus transmission continues in Arequipa's complex urban environment, putting the city's 1 million inhabitants at risk of infection. The proximate driver of canine rabies in Arequipa is low dog vaccination coverage. Our objectives were to qualitatively assess barriers to and facilitators of rabies vaccination during mass campaigns, and to explore strategies to increase participation in future efforts...
March 17, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28303773/improving-disaster-response-efforts-through-the-development-of-a-disaster-health-care-response-system
#10
Jonathan A Wilson, L Kendall McKenzie, W Terry McLeod, Damon A Darsey, Jim Craig
We review the development of a disaster health care response system in Mississippi aimed at improving disaster response efforts. Large-scale disasters generate many injured and ill patients, which causes a significant utilization of emergency health care services and often requires external support to meet clinical needs. Disaster health care services require a solid infrastructure of coordination and collaboration to be effective. Following Hurricane Katrina, the state of Mississippi implemented best practices from around the nation to establish a disaster health care response system...
March 17, 2017: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/28302921/deciphering-the-acute-cellular-phosphoproteome-response-to-irradiation-with-x-rays-protons-and-carbon-ions
#11
Martin Winter, Ivana Dokic, Julian Schlegel, Uwe Warnken, Jürgen Debus, Amir Abdollahi, Martina Schnölzer
Radiotherapy is a cornerstone of cancer therapy. The recently established particle therapy with raster-scanning protons and carbon ions landmarks a new era in the field of high-precision cancer medicine. However, molecular mechanisms governing radiation induced intracellular signaling remain elusive. Here, we present the first comprehensive proteomic and phosphoproteomic study applying stable isotope labeling by amino acids in cell culture (SILAC) in combination with high-resolution mass spectrometry to decipher cellular response to irradiation with X-rays, protons and carbon ions...
March 16, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28302711/precision-and-prognostic-value-of-clone-specific-minimal-residual-disease-in-acute-myeloid-leukemia
#12
Pierre Hirsch, Ruoping Tang, Nassera Abermil, Pascale Flandrin, Hannah Moatti, Fabrizia Favale, Ludovic Suner, Florence Lorre, Christophe Marzac, Fanny Fava, Anne-Claire Mamez, Simona Lapusan, Françoise Isnard, Mohamad Mohty, Ollivier Legrand, Luc Douay, Chrystele Bilhou-Nabera, François Delhommeau
The genetic landscape of adult acute myeloid leukemias has been recently unraveled. However, due to their genetic heterogeneity, only a handful of markers are currently used for the evaluation of minimal residual disease. Recent studies using multi-target strategies indicate that detection of residual mutations in less than 5% of cells in complete remission is associated with a better survival. Here, in a series of 69 acute myeloid leukemias with known clonal architecture, we design a clone-specific strategy based on fluorescent in situ hybridization and high-sensitivity next generation sequencing to detect chromosomal aberrations and mutations, respectively, in follow-up samples...
March 16, 2017: Haematologica
https://www.readbyqxmd.com/read/28301877/using-landscape-habitat-associations-to-prioritize-areas-of-conservation-action-for-terrestrial-birds
#13
Tyler M Harms, Kevin T Murphy, Xiaodan Lyu, Shane S Patterson, Karen E Kinkead, Stephen J Dinsmore, Paul W Frese
Predicting species distributions has long been a valuable tool to plan and focus efforts for biodiversity conservation, particularly because such an approach allows researchers and managers to evaluate species distribution changes in response to various threats. Utilizing data from a long-term monitoring program and land cover data sets, we modeled the probability of occupancy and colonization for 38 bird Species of Greatest Conservation Need (SGCN) in the robust design occupancy modeling framework, and used results from the best models to predict occupancy and colonization on the Iowa landscape...
2017: PloS One
https://www.readbyqxmd.com/read/28298214/climat-het-detecting-subclonal-copy-number-alterations-and-loss-of-heterozygosity-in-heterogeneous-tumor-samples-from-whole-genome-sequencing-data
#14
Zhenhua Yu, Ao Li, Minghui Wang
BACKGROUND: Copy number alterations (CNA) and loss of heterozygosity (LOH) represent a large proportion of genetic structural variations of cancer genomes. These aberrations are continuously accumulated during the procedure of clonal evolution and patterned by phylogenetic branching. This invariably results in the emergence of multiple cell populations with distinct complement of mutational landscapes in tumor sample. With the advent of next-generation sequencing technology, inference of subclonal populations has become one of the focused interests in cancer-associated studies, and is usually based on the assessment of combinations of somatic single-nucleotide variations (SNV), CNA and LOH...
March 15, 2017: BMC Medical Genomics
https://www.readbyqxmd.com/read/28297440/evaluation-of-the-uncertainty-in-an-ebt3-film-dosimetry-system-utilizing-net-optical-density
#15
Elsa Y León Marroquin, José A Herrera González, Miguel A Camacho López, José E Villarreal Barajas, Olivia A García-Garduño
Radiochromic film has become an important tool to verify dose distributions for intensity-modulated radiotherapy (IMRT) and quality assurance (QA) procedures. A new radiochromic film model, EBT3, has recently become available, whose composition and thickness of the sensitive layer are the same as those of previous EBT2 films. However, a matte polyester layer was added to EBT3 to prevent the formation of Newton's rings. Furthermore, the symmetrical design of EBT3 allows the user to eliminate side-orientation dependence...
September 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28292644/resilient-landscapes-in-mediterranean-urban-areas-understanding-factors-influencing-forest-trends
#16
Antonio Tomao, Valerio Quatrini, Piermaria Corona, Agostino Ferrara, Raffaele Lafortezza, Luca Salvati
Urban and peri-urban forests are recognized as basic elements for Nature-Based Solutions (NBS), as they preserve and may increase environmental quality in urbanized contexts. For this reason, the amount of forest land per inhabitant is a pivotal efficiency indicator to be considered in the sustainable governance, land management, planning and design of metropolitan areas. The present study illustrates a multivariate analysis of per-capita forest area (PFA) in mainland Attica, the urban region surrounding Athens, Greece...
March 11, 2017: Environmental Research
https://www.readbyqxmd.com/read/28292436/the-microenvironmental-landscape-of-brain-tumors
#17
REVIEW
Daniela F Quail, Johanna A Joyce
The brain tumor microenvironment (TME) is emerging as a critical regulator of cancer progression in primary and metastatic brain malignancies. The unique properties of this organ require a specific framework for designing TME-targeted interventions. Here, we discuss a number of these distinct features, including brain-resident cell types, the blood-brain barrier, and various aspects of the immune-suppressive environment. We also highlight recent advances in therapeutically targeting the brain TME in cancer...
March 13, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28286924/treatment-of-relapsed-refractory-acute-myeloid-leukemia
#18
REVIEW
Prithviraj Bose, Pankit Vachhani, Jorge E Cortes
Approximately 40-45% of younger and 10-20% of older adults with acute myeloid leukemia (AML) will be cured with current standard chemotherapy. The outlook is particularly gloomy for patients with relapsed and/or refractory disease (cure rates no higher than 10%). Allogeneic hematopoietic stem cell transplantation (HSCT), the only realistic hope of cure for these patients, is an option for only a minority. In recent years, much has been learned about the genomic and epigenomic landscapes of AML, and the clonal architecture of both de novo and secondary AML has begun to be unraveled...
March 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28283406/transcriptomic-insights-into-genetic-diversity-of-protein-coding-genes-in-x-laevis
#19
Virginia Savova, Esther J Pearl, Elvan Boke, Anwesha Nag, Ivan Adzhubei, Marko E Horb, Leonid Peshkin
We characterize the genetic diversity of Xenopus laevis strains using RNA-seq data and allele-specific analysis. This data provides a catalogue of coding variation, which can be used for improving the genomic sequence, as well as for better sequence alignment, probe design, and proteomic analysis. In addition, we paint a broad picture of the genetic landscape of the species by functionally annotating different classes of mutations with a well-established prediction tool (PolyPhen-2). Further, we specifically compare the variation in the progeny of four crosses: inbred genomic (J)-strain, outbred albino (B)-strain, and two hybrid crosses of J and B strains...
March 7, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28282297/sensemaking-stakeholder-discord-and-long-term-risk-communication-at-a-us-superfund-site
#20
Anna Goodman Hoover
INTRODUCTION: Risk communication can help reduce exposures to environmental contaminants, mitigate negative health outcomes, and inform community-based decisions about hazardous waste sites. While communication best practices have long guided such efforts, little research has examined unintended consequences arising from such guidelines. As rhetoric informs stakeholder sensemaking, the language used in and reinforced by these guidelines can challenge relationships and exacerbate stakeholder tensions...
March 1, 2017: Reviews on Environmental Health
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