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https://www.readbyqxmd.com/read/28298349/network-reorganization-and-breakdown-of-an-ant-plant-protection-mutualism-with-elevation
#1
Nichola S Plowman, Amelia S C Hood, Jimmy Moses, Conor Redmond, Vojtech Novotny, Petr Klimes, Tom M Fayle
Both the abiotic environment and the composition of animal and plant communities change with elevation. For mutualistic species, these changes are expected to result in altered partner availability, and shifts in context-dependent benefits for partners. To test these predictions, we assessed the network structure of terrestrial ant-plant mutualists and how the benefits to plants of ant inhabitation changed with elevation in tropical forest in Papua New Guinea. At higher elevations, ant-plants were rarer, species richness of both ants and plants decreased, and the average ant or plant species interacted with fewer partners...
March 15, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28280581/cultural-factors-that-affected-the-spatial-and-temporal-epidemiology-of-kuru
#2
J T Whitfield, W H Pako, J Collinge, M P Alpers
Kuru is a prion disease which became epidemic among the Fore and surrounding linguistic groups in Papua New Guinea, peaking in the late 1950s. It was transmitted during the transumption (endocannibalism) of dead family members at mortuary feasts. In this study, we aimed to explain the historical spread and the changing epidemiological patterns of kuru by analysing factors that affected its transmission. We also examined what cultural group principally determined a family's behaviour during mortuary rituals...
January 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28279452/predicting-lymphatic-filariasis-transmission-and-elimination-dynamics-using-a-multi-model-ensemble-framework
#3
Morgan E Smith, Brajendra K Singh, Michael A Irvine, Wilma A Stolk, Swaminathan Subramanian, T Déirdre Hollingsworth, Edwin Michael
Mathematical models of parasite transmission provide powerful tools for assessing the impacts of interventions. Owing to complexity and uncertainty, no single model may capture all features of transmission and elimination dynamics. Multi-model ensemble modelling offers a framework to help overcome biases of single models. We report on the development of a first multi-model ensemble of three lymphatic filariasis (LF) models (EPIFIL, LYMFASIM, and TRANSFIL), and evaluate its predictive performance in comparison with that of the constituents using calibration and validation data from three case study sites, one each from the three major LF endemic regions: Africa, Southeast Asia and Papua New Guinea (PNG)...
March 2017: Epidemics
https://www.readbyqxmd.com/read/28276923/-good-culture-bad-culture-polygyny-cultural-change-and-structural-drivers-of-hiv-in-papua-new-guinea
#4
Patti Shih, Heather Worth, Joanne Travaglia, Angela Kelly-Hanku
Culture is often problematised as a key structural driver of HIV transmission in Papua New Guinea. Official HIV programmes, as well as church teachings, tend to focus on customary marital practices of polygyny and bride price payments as 'harmful traditions'. This focus can oversimplify the effects of current and historical nuances of cultural, political and economic change on sexual concurrency and gender inequality. Community-based healthcare workers in Southern Highlands Province explain that customary marital practices are now highly reconfigured from their traditional forms...
February 16, 2017: Culture, Health & Sexuality
https://www.readbyqxmd.com/read/28276508/diet-of-land-birds-along-an-elevational-gradient-in-papua-new-guinea
#5
Katerina Sam, Bonny Koane, Samuel Jeppy, Jana Sykorova, Vojtech Novotny
Food preferences and exploitation are crucial to many aspects of avian ecology and are of increasing importance as we progress in our understanding of community ecology. We studied birds and their feeding specialization in the Central Range of Papua New Guinea, at eight study sites along a complete (200 to 3700 m a.s.l.) rainforest elevational gradient. The relative species richness and abundance increased with increasing elevation for insect and nectar eating birds, and decreased with elevation for fruit feeding birds...
March 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28275611/qualitative-research-to-design-sustainable-community-based-surveillance-for-rabies-in-northern-australia-and-papua-new-guinea
#6
Victoria J Brookes, Emma Kennedy, Phillipa Dhagapan, Michael P Ward
Given the proximity and recent spread of rabies in Indonesia, effective rabies surveillance in dogs is a priority in Northern Australia and Papua New Guinea (PNG). Reporting of potential cases requires community engagement; therefore, the value and acceptability of such a system is critical to ensure sustainable surveillance. We used qualitative research methods to identify factors that influence the acceptability and value of community-based rabies surveillance. Thirty-two semi-structured interviews were conducted with informants in 16 communities in East Arnhem, the Northern Peninsula Area, the Torres Strait in Australia, and in Western Province, PNG...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28275238/a-decade-of-global-volcanic-so2-emissions-measured-from-space
#7
S A Carn, V E Fioletov, C A McLinden, C Li, N A Krotkov
The global flux of sulfur dioxide (SO2) emitted by passive volcanic degassing is a key parameter that constrains the fluxes of other volcanic gases (including carbon dioxide, CO2) and toxic trace metals (e.g., mercury). It is also a required input for atmospheric chemistry and climate models, since it impacts the tropospheric burden of sulfate aerosol, a major climate-forcing species. Despite its significance, an inventory of passive volcanic degassing is very difficult to produce, due largely to the patchy spatial and temporal coverage of ground-based SO2 measurements...
March 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28261219/naturally-acquired-binding-inhibitory-antibodies-to-plasmodium-vivax-duffy-binding-protein-in-pregnant-women-are-associated-with-higher-birth-weight-in-a-multicenter-study
#8
Pilar Requena, Myriam Arévalo-Herrera, Michela Menegon, Flor E Martínez-Espinosa, Norma Padilla, Camila Bôtto-Menezes, Adriana Malheiro, Dhiraj Hans, Maria Eugenia Castellanos, Leanne Robinson, Paula Samol, Swati Kochar, Sanjay K Kochar, Dhanpat K Kochar, Meghna Desai, Sergi Sanz, Llorenç Quintó, Alfredo Mayor, Stephen Rogerson, Ivo Mueller, Carlo Severini, Hernando A Del Portillo, Azucena Bardají, Chetan C Chitnis, Clara Menéndez, Carlota Dobaño
A vaccine to eliminate malaria would need a multi-stage and multi-species composition to achieve robust protection, but the lack of knowledge about antigen targets and mechanisms of protection precludes the development of fully efficacious malaria vaccines, especially for Plasmodium vivax (Pv). Pregnant women constitute a risk population who would greatly benefit from a vaccine preventing the adverse events of Plasmodium infection during gestation. We hypothesized that functional immune responses against putative targets of naturally acquired immunity to malaria and vaccine candidates will be associated with protection against malaria infection and/or poor outcomes during pregnancy...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28241875/long-term-acceptability-durability-and-bio-efficacy-of-zerovector-%C3%A2-durable-lining-for-vector-control-in-papua-new-guinea
#9
Joseph J Kuadima, Lincoln Timinao, Laura Naidi, Anthony Tandrapah, Manuel W Hetzel, Cyrille Czeher, Justin Pulford
BACKGROUND: This study examined the acceptability, durability and bio-efficacy of pyrethroid-impregnated durable lining (DL) over a three-year period post-installation in residential homes across Papua New Guinea (PNG). METHODS: ZeroVector(®) ITPS had previously been installed in 40 homes across four study sites representing a cross section of malaria transmission risk and housing style. Structured questionnaires, DL visual inspections and group interviews (GIs) were completed with household heads at 12- and 36-months post-installation...
February 28, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28231249/low-host-specificity-and-abundance-of-frugivorous-lepidoptera-in-the-lowland-rain-forests-of-papua-new-guinea
#10
Katerina Sam, Richard Ctvrtecka, Scott E Miller, Margaret E Rosati, Kenneth Molem, Kipiro Damas, Bradley Gewa, Vojtech Novotny
We studied a community of frugivorous Lepidoptera in the lowland rainforest of Papua New Guinea. Rearing revealed 122 species represented by 1,720 individuals from 326 woody plant species. Only fruits from 52% (171) of the plant species sampled were attacked. On average, Lepidoptera were reared from 1 in 89 fruits and a kilogram of fruit was attacked by 1.01 individuals. Host specificity of Lepidoptera was notably low: 69% (33) of species attacked plants from >1 family, 8% (4) fed on single family, 6% (3) on single genus and 17% (8) were monophagous...
2017: PloS One
https://www.readbyqxmd.com/read/28225336/paediatric-tuberculosis-in-queensland-australia-overrepresentation-of-cross-border-and-indigenous-children
#11
E J Donnan, C Coulter, G Simpson, J Clark, C Nourse
SETTING: Queensland, Australia. BACKGROUND: Understanding paediatric tuberculosis (TB) is important, as children with TB typically reflect recent community transmission. Children pose unique diagnostic challenges and are at risk of developing severe disseminated infection. OBJECTIVE: To describe the epidemiology, presentation and outcomes of children with TB disease in Queensland. DESIGN: This is a retrospective case series of children diagnosed with TB aged 0-16 years notified in 2005-2014...
March 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28222769/plasticity-of-host-selection-by-malaria-vectors-of-papua-new-guinea
#12
John B Keven, Lisa Reimer, Michelle Katusele, Gussy Koimbu, Rebecca Vinit, Naomi Vincent, Edward Thomsen, David R Foran, Peter A Zimmerman, Edward D Walker
BACKGROUND: Host selection is an important determinant of vectorial capacity because malaria transmission increases when mosquitoes feed more on humans than non-humans. Host selection also affects the outcome of long-lasting insecticidal nets (LLIN). Despite the recent nationwide implementation of LLIN-based malaria control program in Papua New Guinea (PNG), little is known about the host selection of the local Anopheles vectors. This study investigated the host selection of Anopheles vectors in PNG...
February 21, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28220345/a-new-look-at-the-origins-of-gibbon-ape-leukemia-virus
#13
REVIEW
J McKee, N Clark, F Shapter, G Simmons
Is the origin of gibbon ape leukemia virus (GALV) human after all? When GALV was discovered and found to cause neoplastic disease in gibbons, it stimulated a great deal of research including investigations into the origins of this virus. A number of publications have suggested that the GALV progenitor was a retrovirus present in one of several species of South East Asian rodents that had close contact with captive gibbons. However, there are no published retroviral sequences from any South East Asian species to support this view...
April 2017: Virus Genes
https://www.readbyqxmd.com/read/28209281/association-among-father-involvement-partner-violence-and-paternal-health-un-multi-country-cross-sectional-study-on-men-and-violence
#14
Ko Ling Chan, Clifton R Emery, Emma Fulu, Richard M Tolman, Patrick Ip
INTRODUCTION: The influence of father involvement on intimate partner violence (IPV) and men's health is poorly understood. This study aimed to investigate the prevalence of six aspects of father involvement in delivery and child care, and to explore their individual associations with IPV against women and paternal health in an Asia-Pacific context. METHODS: This study analyzed data from the 2011-2012 UN Multi-Country Cross-Sectional Study on Men and Violence, which surveyed >10,000 men from Bangladesh, Cambodia, China, Indonesia, Papua New Guinea, and Sri Lanka...
February 10, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28193766/molecular-mechanisms-of-chronic-wasting-disease-prion-propagation
#15
Julie A Moreno, Glenn C Telling
Prion disease epidemics, which have been unpredictable recurrences, are of significant concern for animal and human health. Examples include kuru, once the leading cause of death among the Fore people in Papua New Guinea and caused by mortuary feasting; bovine spongiform encephalopathy (BSE) and its subsequent transmission to humans in the form of variant Creutzfeldt-Jakob disease (vCJD), and repeated examples of large-scale prion disease epidemics in animals caused by contaminated vaccines. The etiology of chronic wasting disease (CWD), a relatively new and burgeoning prion epidemic in deer, elk, and moose (members of the cervid family), is more enigmatic...
February 13, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28192520/holding-back-the-tiger-successful-control-program-protects-australia-from-aedes-albopictus-expansion
#16
Mutizwa Odwell Muzari, Gregor Devine, Joseph Davis, Bruce Crunkhorn, Andrew van den Hurk, Peter Whelan, Richard Russell, James Walker, Peter Horne, Gerhard Ehlers, Scott Ritchie
BACKGROUND: The Asian tiger mosquito, Aedes albopictus, is an important vector of dengue, chikungunya and Zika viruses and is a highly invasive and aggressive biter. Established populations of this species were first recognised in Australia in 2005 when they were discovered on islands in the Torres Strait, between mainland Australia and Papua New Guinea. A control program was implemented with the original goal of eliminating Ae. albopictus from the Torres Strait. We describe the evolution of management strategies that provide a template for Ae...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28188934/new-evidence-for-endemic-circulation-of-ross-river-virus-in-the-pacific-islands-and-the-potential-for-emergence
#17
Colleen Lau, Maite Aubry, Didier Musso, Anita Teissier, Sylvie Paulous, Philippe Desprès, Xavier de-Lamballerie, Boris Pastorino, Van-Mai Cao-Lormeau, Philip Weinstein
OBJECTIVES: An epidemic of Ross River virus (RRV) occurred in the South Pacific in 1979-1980, but RRV has not been thought to occur endemically outside Australia and Papua New Guinea. A seroprevalence study was conducted to determine whether RRV has circulated in American Samoa since 1980. METHODS: RRV ELISA IgG was performed on 200 serum samples collected in American Samoa in 2010; seroneutralization tests were performed on 60 representative samples. RESULTS: Of 196 available ELISA IgG results, 145 (74%, 95% confidence interval 67-80%) were seropositive...
February 8, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28187607/a-new-deep-water-species-of-i-alpheopsis-i-couti%C3%A3-re-1897-from-the-indo-west-pacific-decapoda-alpheidae
#18
Arthur Anker
Alpheopsis keijii sp. nov. is described on the basis of material collected between 90 and 487 m in Japan, the Philippines, Papua New Guinea and Réunion Island. The new species belongs to the A. trispinosa species group and is morphologically closest to A. trispinosa (Stimpson, 1860), A. garricki Yaldwyn, 1971, A. shearmii (Alcock & Anderson, 1899), and especially A. africana Holthuis, 1952. Field data indicates that A. keijii sp. nov. may be associated with deep-water sponge grounds. A provisional key to the currently known species of the A...
January 30, 2017: Zootaxa
https://www.readbyqxmd.com/read/28187570/first-record-of-cephenniini-on-christmas-island-with-updated-checklist-of-world-i-cephennomicrus-i-species-and-summary-of-their-distribution-coleoptera-staphylinidae-scydmaeninae
#19
Paweł Jałoszyński
The tribe Cephenniini is reported for the first time to occur on Christmas Island (external territory of the Commonwealth of Australia). Cephennomicrus lawrencei sp. n. is described and illustrated; the new species shows similarities to several Oriental and Japanese congeners, with the endophallic complex of long flagellum flanked by elongate sclerites especially similar to that of Indonesian C. fesumatranus Jałoszyński. The distribution of world Cephennomicrus species is summarized, ranging from southern and central-eastern Africa, Madagascar, Indian Ocean islands, through Sri Lanka, Southeast Asia, south-eastern China and Taiwan, the Ryukyus and Tsushima Island, eastern Papua New Guinea to Australia and southern Pacific islands...
February 6, 2017: Zootaxa
https://www.readbyqxmd.com/read/28158947/ambiguous-bodies-uncertain-diseases-knowledge-of-cervical-cancer-in-papua-new-guinea
#20
A Kelly-Hanku, S Ase, V Fiya, P Toliman, H Aeno, G M Mola, J M Kaldor, L M Vallely, A J Vallely
OBJECTIVES: Within their local realities, people experience and interpret disease in diverse ways that do not necessarily correlate or converge with Western biomedical interventions. In the high cervical cancer burden setting of Papua New Guinea, understanding how people experience and interpret cervical cancer is necessary for effective intervention. Drawing on work by Street on the production of unstable biomedical knowledge, we explored how ambiguity and uncertainty, coupled with cultural taboos and linguistic limitations, affect what and how people 'know' about women's reproductive organs and their associated disease...
February 3, 2017: Ethnicity & Health
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