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Results for “"J. W. Saunders"”

16+ results

Emergence of wheat blast in Bangladesh was caused by a South American lineage of Magnaporthe oryzae

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Tofazzal Islam, Daniel Croll, Pierre Gladieux, Darren M. Soanes et al.

Journal: BMC BiologyYear: 2016Citations: 479

BACKGROUND: In February 2016, a new fungal disease was spotted in wheat fields across eight districts in Bangladesh. The epidemic spread to an estimated 15,000 hectares, about 16 % of the cultivated wheat area in Bangladesh, with yield losses reaching up to 100 %. Within weeks of the onset of the ep...

Life SciencesBiochemistry, Genetics and Molecular BiologyMolecular BiologyOpen Access
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Independent Emergence of Artemisinin Resistance Mutations Among Plasmodium falciparum in Southeast Asia

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Shannon Takala‐Harrison, Christopher G. Jacob, Cesar Arze, Michael P. Cummings et al.

Journal: The Journal of Infectious DiseasesYear: 2014Citations: 447

BACKGROUND: The emergence of artemisinin-resistant Plasmodium falciparum in Southeast Asia threatens malaria treatment efficacy. Mutations in a kelch protein encoded on P. falciparum chromosome 13 (K13) have been associated with resistance in vitro and in field samples from Cambodia. METHODS: P. fal...

Health SciencesMedicinePublic Health, Environmental and Occupational HealthOpen Access
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Ecological and socioeconomic impacts of invasive alien species in island ecosystems

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Jamie K. Reaser, Laura A. Meyerson, Quentin Cronk, Maj De Poorter et al.

Journal: Environmental ConservationYear: 2007Citations: 385

Minimizing the impact of invasive alien species (IAS) on islands and elsewhere requires researchers to provide cogent information on the environmental and socioeconomic consequences of IAS to the public and policy makers. Unfortunately, this information has not been readily available owing to a pauc...

Physical SciencesEnvironmental ScienceEcologyOpen Access
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Comparative genomics reveals mechanism for short-term and long-term clonal transitions in pandemic <i>Vibrio cholerae</i>

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Jongsik Chun, Christopher J. Grim, Nur A. Hasan, Jehee Lee et al.

Journal: Proceedings of the National Academy of SciencesYear: 2009Citations: 380

Vibrio cholerae, the causative agent of cholera, is a bacterium autochthonous to the aquatic environment, and a serious public health threat. V. cholerae serogroup O1 is responsible for the previous two cholera pandemics, in which classical and El Tor biotypes were dominant in the sixth and the curr...

Life SciencesBiochemistry, Genetics and Molecular BiologyEndocrinologyOpen Access
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Genome-wide association meta-analysis of human longevity identifies a novel locus conferring survival beyond 90 years of age

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Joris Deelen, Marian Beekman, Hae‐Won Uh, Linda Broer et al.

Journal: Human Molecular GeneticsYear: 2014Citations: 271

The genetic contribution to the variation in human lifespan is ∼ 25%. Despite the large number of identified disease-susceptibility loci, it is not known which loci influence population mortality. We performed a genome-wide association meta-analysis of 7729 long-lived individuals of European descent...

Life SciencesBiochemistry, Genetics and Molecular BiologyGeneticsOpen Access
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Genetic loci associated with delayed clearance of <i>Plasmodium falciparum</i> following artemisinin treatment in Southeast Asia

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Shannon Takala‐Harrison, Taane G. Clark, Christopher G. Jacob, Michael P. Cummings et al.

Journal: Proceedings of the National Academy of SciencesYear: 2012Citations: 269

The recent emergence of artemisinin-resistant Plasmodium falciparum malaria in western Cambodia could threaten prospects for malaria elimination. Identification of the genetic basis of resistance would provide tools for molecular surveillance, aiding efforts to contain resistance. Clinical trials of...

Health SciencesMedicinePublic Health, Environmental and Occupational Health
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Breeding Alfalfa Which Regenerates from Callus Tissue in Culture<sup>1</sup>

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E. T. Bingham, L. V. Hurley, D. M. Kaatz, J. W. Saunders

Journal: Crop ScienceYear: 1975Citations: 246

Tetraplold alfalfa ( Medicago sativa L.) germplasm, in which two‐thirds of the plants are capable of regeneration from callus tissue in culture, has been developed by recurrent selection. It descends from one ‘DuPuits’ and four ‘Saranac’ clones which regenerated in the cycle 0 population. Frequency ...

Life SciencesAgricultural and Biological SciencesAgronomy and Crop Science
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Mangroves give cause for conservation optimism, for now

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Daniel A. Friess, Erik S. Yando, Guilherme M.O. Abuchahla, Janine B. Adams et al.

Journal: Current BiologyYear: 2020Citations: 233

Mangrove forests are found along the shorelines of more than 100 countries, and provide a wide range of ecosystem services that support the livelihoods and wellbeing of tens of millions of people. Despite their importance, loss of global mangrove area has been so substantial that twelve years ago ac...

Physical SciencesEnvironmental ScienceEcologyOpen Access
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University students’ use of mental health services: a systematic review and meta-analysis

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Tom G. Osborn, S. Li, Rob Saunders, Peter Fonagy

Journal: International Journal of Mental Health SystemsYear: 2022Citations: 143

BACKGROUND: International estimates suggest around a third of students arrives at university with symptoms indicative of a common mental disorder, many in late adolescence at a developmentally high-risk period for the emergence of mental disorder. Universities, as settings, represent an opportunity ...

Social SciencesPsychologySocial PsychologyOpen Access
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Checklist of the dragonflies and damselflies (Insecta: Odonata) of Bangladesh, Bhutan, India, Nepal, Pakistan and Sri Lanka

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Vincent J. Kalkman, R. Babu, Matjaž Bedjanič, K. CONNIFF et al.

Journal: ZootaxaYear: 2020Citations: 119

A checklist of the dragonflies and damselflies occurring in Bangladesh, Bhutan, India (including Andaman and Nicobar Islands), Nepal, Pakistan and Sri Lanka is presented. In total 588 (including 559 full species) taxa are known to occur in the region of which 251 taxa (species subspecies) are single...

Physical SciencesEnvironmental ScienceEcologyOpen Access
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Prevalence of Long COVID symptoms in Bangladesh: a prospective Inception Cohort Study of COVID-19 survivors

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Mohammad Anwar Hossain, K M Amran Hossain, Karen Saunders, Zakir Uddin et al.

Journal: BMJ Global HealthYear: 2021Citations: 104

BACKGROUND: The objective of this study was to identify the prevalence of long COVID symptoms in a large cohort of people living with and affected by long COVID and identify any potential associated risk factors. METHODS: A prospective survey was undertaken of an inception cohort of confirmed people...

Health SciencesMedicineNeurologyOpen Access
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Building Back Better

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Michal Lyons

Journal: Practical Action Publishing eBooksYear: 2010Citations: 96

Prelims (Foreword, Nabeel Hamdi) Introduction Michal Lyons, Theo Schilderman and Graham Saunders Part I: Setting the Scene 1. Putting people at the centre of reconstruction Theo Schilderman 2. Can large-scale participation be peoplecentred? Evaluating reconstruction as development Michal Lyons 3. Th...

Social SciencesUrban StudiesUrban and Rural Development ChallengesOpen Access
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Quaternary stratigraphy, sediment characteristics and geochemistry of arsenic-contaminated alluvial aquifers in the Ganges–Brahmaputra floodplain in central Bangladesh

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Mohammad Shamsudduha, Ashraf Uddin, James A. Saunders, M.-K. Lee

Journal: Journal of Contaminant HydrologyYear: 2008Citations: 94

This study focuses on the Quaternary stratigraphy, sediment composition, mineralogy, and geochemistry of arsenic (As)-contaminated alluvial aquifers in the Ganges-Brahmaputra floodplain in the central Bangladesh. Arsenic concentrations in 85 tubewells in Manikganj area, 70 km northwest of Dhaka City...

Physical SciencesEnvironmental ScienceEnvironmental Chemistry
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Genomic structure and diversity of Plasmodium falciparum in Southeast Asia reveal recent parasite migration patterns

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Amol C. Shetty, Christopher G. Jacob, Fang Huang, Yao Li et al.

Journal: Nature CommunicationsYear: 2019Citations: 85

Estimates of Plasmodium falciparum migration may inform strategies for malaria elimination. Here we elucidate fine-scale parasite population structure and infer recent migration across Southeast Asia using identity-by-descent (IBD) approaches based on genome-wide single nucleotide polymorphisms call...

Health SciencesMedicinePublic Health, Environmental and Occupational HealthOpen Access
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THE ROLE OF INSTRUCTIONS IN THE TRANSFER OF ORDINAL FUNCTIONS THROUGH EQUIVALENCE CLASSES

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Gina Green, Zuilma Gabriela Sigurðardóttir, Richard R. Saunders

Journal: Journal of the Experimental Analysis of BehaviorYear: 1991Citations: 82

In two experiments, adult subjects completed match-to-sample training and testing to establish four equivalence classes of four figures each. Then the subjects were taught one three-position sequence consisting of one stimulus from Class 1, one from Class 2, and one from Class 3. Inclusion of Class ...

Social SciencesPsychologyDevelopmental and Educational PsychologyOpen Access
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