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https://www.readbyqxmd.com/read/28531196/co-inheritance-of-glucose-6-phosphate-dehydrogenase-deficiency-mutations-and-hemoglobin-e-in-a-kachin-population-in-a-malaria-endemic-region-of-southeast-asia
#1
Zeshuai Deng, Fang Yang, Yao Bai, Lijun He, Qing Li, Yanrui Wu, Lan Luo, Hong Li, Limei Ma, Zhaoqing Yang, Yongshu He, Liwang Cui
Glucose-6-phosphate dehydrogenase (G6PD) deficiency and hemoglobin E (HbE, β26 Glu-Lys) are two common red cell disorders in Southeast Asia. G6PD deficiency produces hemolytic anemia, which can be triggered by certain drugs or infections. HbE is asymptomatic or is manifested as microcytic, minimally hemolytic anemia. The association between G6PD deficiency and HbE is little understood. This study aimed to investigate G6PD deficiency and HbE in a Kachin ethnic group in the China-Myanmar border area. G6PD enzyme activity was measured using a quantitative G6PD assay, G6PD variants genotyped by the SNaPshot assay, and an HbE gene mutation identified by an amplification refractory mutation system and subsequently confirmed by using a reverse dot blot hybridization assay from 100 unrelated individuals in the study area...
2017: PloS One
https://www.readbyqxmd.com/read/28522869/ancient-river-inference-explains-exceptional-oriental-freshwater-mussel-radiations
#2
Ivan N Bolotov, Alexander V Kondakov, Ilya V Vikhrev, Olga V Aksenova, Yulia V Bespalaya, Mikhail Yu Gofarov, Yulia S Kolosova, Ekaterina S Konopleva, Vitaly M Spitsyn, Kitti Tanmuangpak, Sakboworn Tumpeesuwan
The concept of long-lived (ancient) lakes has had a great influence on the development of evolutionary biogeography. According to this insight, a number of lakes on Earth have existed for several million years (e.g., Baikal and Tanganyika) and represent unique evolutionary hotspots with multiple intra-basin radiations. In contrast, rivers are usually considered to be variable systems, and the possibility of their long-term existence during geological epochs has never been tested. In this study, we reconstruct the history of freshwater basin interactions across continents based on the multi-locus fossil-calibrated phylogeny of freshwater mussels (Unionidae)...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28521001/etiology-of-travellers-diarrhea
#3
Z D Jiang, H L DuPont
Eleven published studies of the etiology of travellers' diarrhea (TD) were reviewed define the etiology of TD and to exam newly developed technology such as Real-Time multiplex polymerase chain reaction (PCR) to identify multiple pathogens in one assay to define the cause of TD. Using PCR methods bacterial pathogens were found in 72% of patients acquiring diarrhea in Latin America and in 80% in travellers with illness acquired in Southeast Asia). In these studies, enterotoxigenic Escherichia coli as the predominant pathogen (42% in Latin America and 28% in Southeast Asia)...
April 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28520997/resistant-pathogens-as-causes-of-traveller-s-diarrhea-globally-and-impact-s-on-treatment-failure-and-recommendations
#4
David R Tribble
Background: : Diarrhea is a frequent clinical syndrome affecting international travellers. Bacterial etiologic agents have a long history of emergent antimicrobial resistance against commonly used antibiotics. Current approaches applying first-line antimicrobial therapy are being challenged by increasingly resistant organisms. This review summarizes recent epidemiological and clinical evidence of antibiotic resistance among enteropathogens causing traveller's diarrhea and the subsequent impact on current treatment recommendations...
April 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28520950/a-novel-economical-way-to-assess-virulence-in-field-populations-of-hessian-fly-diptera-cecidomyiidae-utilizing-wheat-resistance-gene-h13-as-a-model
#5
Alisha J Johnson, Hossam E M Abdel Moniem, Kathy L Flanders, G David Buntin, Francis P F Reay-Jones, Dominic Reisig, Jeffery J Stuart, Subhashree Subramanyam, Richard H Shukle, Brandon J Schemerhorn
Mayetiola destructor (Say) is a serious pest of wheat, Triticum aestivum L., in North America, North Africa, and Central Asia. Singly deployed resistance genes in wheat cultivars have provided effective management of Hessian fly populations for >50 yr. Thirty-five H genes have been documented. Defense mediated by the H gene constitutes strong selection on the Hessian fly population, killing 100% of larvae. A mutation in a matching Hessian fly avirulence gene confers virulence to the H gene, leading to survival on the resistant plant...
May 17, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28518035/angiostrongylus-cantonensis-meningitis-and-myelitis-texas-usa
#6
Roukaya Al Hammoud, Stacy L Nayes, James R Murphy, Gloria P Heresi, Ian J Butler, Norma Pérez
Infection with Angiostrongylus cantonensis roundworms is endemic in Southeast Asia and the Pacific Basin. A. cantonensis meningitis and myelitis occurred in summer 2013 in a child with no history of travel outside of Texas, USA. Angiostrongyliasis is an emerging neurotropic helminthic disease in Texas and warrants increased awareness among healthcare providers.
June 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28515478/molecular-phylogenetics-and-biogeography-of-the-mint-tribe-elsholtzieae-nepetoideae-lamiaceae-with-an-emphasis-on-its-diversification-in-east-asia
#7
Pan Li, Zhe-Chen Qi, Lu-Xian Liu, Tetsuo Ohi-Toma, Joongku Lee, Tsung-Hsin Hsieh, Cheng-Xin Fu, Kenneth M Cameron, Ying-Xiong Qiu
Elsholtzia and its allied genera such as Collinsonia and Perilla (tribe Elsholtzieae, Lamiaceae) are an ecologically and economically important plant group consisting of ~71 species, with most species distributed in East and Southeast Asia, and several species in North America. Their phylogeny and historical biogeography resulting in a distant intercontinental disjunction are poorly understood. Here we use two nuclear (ETS, ITS) and five chloroplast (rbcL, matK, trnL-F, ycf1, ycf1-rps15) fragments to reconstruct the phylogeny, biogeographic history, and patterns of diversification of Elsholtzieae...
May 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28514659/the-intergenic-recombinant-hla-b%C3%A2-46-01-has-a-distinctive-peptidome-that-includes-kir2dl3-ligands
#8
Hugo G Hilton, Curtis P McMurtrey, Alex S Han, Zakia Djaoud, Lisbeth A Guethlein, Jeroen H Blokhuis, Jason L Pugh, Ana Goyos, Amir Horowitz, Rico Buchli, Ken W Jackson, Wilfred Bardet, David A Bushnell, Philip J Robinson, Juan L Mendoza, Michael E Birnbaum, Morten Nielsen, K Christopher Garcia, William H Hildebrand, Peter Parham
HLA-B(∗)46:01 was formed by an intergenic mini-conversion, between HLA-B(∗)15:01 and HLA-C(∗)01:02, in Southeast Asia during the last 50,000 years, and it has since become the most common HLA-B allele in the region. A functional effect of the mini-conversion was introduction of the C1 epitope into HLA-B(∗)46:01, making it an exceptional HLA-B allotype that is recognized by the C1-specific natural killer (NK) cell receptor KIR2DL3. High-resolution mass spectrometry showed that HLA-B(∗)46:01 has a low-diversity peptidome that is distinct from those of its parents...
May 16, 2017: Cell Reports
https://www.readbyqxmd.com/read/28513608/the-last-sea-nomads-of-the-indonesian-archipelago-genomic-origins-and-dispersal
#9
Pradiptajati Kusuma, Nicolas Brucato, Murray P Cox, Thierry Letellier, Abdul Manan, Chandra Nuraini, Philippe Grangé, Herawati Sudoyo, François-Xavier Ricaut
The Bajo, the world's largest remaining sea nomad group, are scattered across hundreds of recently settled communities in Island Southeast Asia, along the coasts of Indonesia, Malaysia and the Philippines. With a significant role in historical trading, the Bajo lived until recently as nomads, spending their entire lives on houseboats while moving long distances to fish and trade. Along the routes they traveled, the Bajo settled and intermarried with local land-based groups, leading to 'maritime creolization', a process whereby Bajo communities retained their culture, but assimilated - and frequently married into - local groups...
May 17, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28510201/ultramafic-geoecology-of-south-and-southeast-asia
#10
REVIEW
M L Galey, A van der Ent, M C M Iqbal, N Rajakaruna
Globally, ultramafic outcrops are renowned for hosting floras with high levels of endemism, including plants with specialised adaptations such as nickel or manganese hyperaccumulation. Soils derived from ultramafic regoliths are generally nutrient-deficient, have major cation imbalances, and have concomitant high concentrations of potentially phytotoxic trace elements, especially nickel. The South and Southeast Asian region has the largest surface occurrences of ultramafic regoliths in the world, but the geoecology of these outcrops is still poorly studied despite severe conservation threats...
December 2017: Botanical Studies (Taipei, Taiwan)
https://www.readbyqxmd.com/read/28508066/australian-shelf-sediments-reveal-shifts-in-miocene-southern-hemisphere-westerlies
#11
Jeroen Groeneveld, Jorijntje Henderiks, Willem Renema, Cecilia M McHugh, David De Vleeschouwer, Beth A Christensen, Craig S Fulthorpe, Lars Reuning, Stephen J Gallagher, Kara Bogus, Gerald Auer, Takeshige Ishiwa
Global climate underwent a major reorganization when the Antarctic ice sheet expanded ~14 million years ago (Ma) (1). This event affected global atmospheric circulation, including the strength and position of the westerlies and the Intertropical Convergence Zone (ITCZ), and, therefore, precipitation patterns (2-5). We present new shallow-marine sediment records from the continental shelf of Australia (International Ocean Discovery Program Sites U1459 and U1464) providing the first empirical evidence linking high-latitude cooling around Antarctica to climate change in the (sub)tropics during the Miocene...
May 2017: Science Advances
https://www.readbyqxmd.com/read/28503051/an-update-review-on-the-anthelmintic-activity-of-bitter-gourd-momordica-charantia
#12
REVIEW
Sutthaya Poolperm, Wannee Jiraungkoorskul
Momordica charantia (Family: Cucurbitales), as known as bitter melon or gourd, is a daily consumption as food and traditional medicinal plant in Southeast Asia and Indo-China. It has been shown to possess anticancer, antidepressant, antidiabetic, anti-inflammatory, antimicrobial, antiobesity, antioxidant, and antiulcer properties. Its common phytochemical components include alkaloids, charantin, flavonoids, glycosides, phenolics, tannins, and terpenoids. This plant is rich in various saponins including momordicin, momordin, momordicoside, karavilagenin, karaviloside, and kuguacin, all of which have been reported to contribute to its remedial properties including antibacterial, antifungal, antiviral, and antiparasitic infections...
January 2017: Pharmacognosy Reviews
https://www.readbyqxmd.com/read/28503050/fingerroot-boesenbergia-rotunda-and-its-aphrodisiac-activity
#13
REVIEW
Oranun Ongwisespaiboon, Wannee Jiraungkoorskul
Boesenbergia rotunda (Family: Zingiberaceae) as known as fingerroot is a daily food ingredient and traditional medicinal plant in Southeast Asia and Indo-China. It has been shown to possess anti-allergic, antibacterial, anticancer, anti-inflammatory, antioxidant, and antiulcer activities and also shown wound healing. Its common phytochemical components include alkaloids, essential oils, flavonoids, and phenolics. This plant is rich in boesenbergin, krachaizin, panduratin, and pinostrobin, all of which has been reported to contribute to its remedial properties including aphrodisiac property...
January 2017: Pharmacognosy Reviews
https://www.readbyqxmd.com/read/28502519/-blomia-tropicalis-a-house-dust-mite-in-the-tropics
#14
REVIEW
L Guilleminault, C Viala-Gastan
INTRODUCTION: Blomia tropicalis is a mite that belongs to the superfamily of Glycyphagidae. Initially described as a storage mite, it is now considered as a house dust mite of tropical and sub-tropical areas. STATE OF THE ART: Sensitization to this mite is very common in South America and Southeast Asia. Epidemiological studies have also found sensitization to this mite in Africa and Central America. Blo t 5 is the major allergen of B. tropicalis. Co-sensitization to other house dust mites such as Dermatophagoides pteronyssinus (Der p) and Dermatophagoides farinae (Der f) is very common...
May 12, 2017: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/28500808/seroprevalence-of-scrub-typhus-typhus-and-spotted-fever-among-rural-and-urban-populations-of-northern-vietnam
#15
Nguyen Vu Trung, Le Thi Hoi, Nguyen Thi Hong Thuong, Tran Khanh Toan, Tran Thi Kieu Huong, Tran Mai Hoa, Annette Fox, Nguyen van Kinh, H Rogier van Doorn, Heiman F L Wertheim, Juliet E Bryant, Behzad Nadjm
AbstractRickettsial infections are recognized as important causes of fever throughout southeast Asia. Herein, we determined the seroprevalence to rickettsioses within rural and urban populations of northern Vietnam. Prevalence of individuals with evidence of prior rickettsial infections (IgG positive) was surprisingly low, with 9.14% (83/908) testing positive to the three major rickettsial serogroups thought to circulate in the region. Prevalence of typhus group rickettsiae (TG)-specific antibodies (6.5%, 58/908) was significantly greater than scrub typhus group orientiae (STG)- or spotted fever group rickettsiae (SFG)-specific antibodies (P < 0...
May 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28500553/characterization-of-rainwater-chemical-composition-after-a-southeast-asia-haze-event-insight-of-transboundary-pollutant-transport-during-the-northeast-monsoon
#16
Mohd Shahrul Mohd Nadzir, Chin Yik Lin, Md Firoz Khan, Mohd Talib Latif, Doreena Dominick, Haris Hafizal Abdul Hamid, Noorlin Mohamad, Khairul Nizam Abdul Maulud, Muhammad Ikram Abdul Wahab, Nurul Farahana Kamaludin, Mohamad Azwani Shah Mat Lazim
Open biomass burning in Peninsula Malaysia, Sumatra, and parts of the Indochinese region is a major source of transboundary haze pollution in the Southeast Asia. To study the influence of haze on rainwater chemistry, a short-term investigation was carried out during the occurrence of a severe haze episode from March to April 2014. Rainwater samples were collected after a prolonged drought and analyzed for heavy metals and major ion concentrations using inductively coupled plasma mass spectroscopy (ICP-MS) and ion chromatography (IC), respectively...
May 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28498987/genetic-structure-and-phylogeography-of-the-leopard-cat-prionailurus-bengalensis-inferred-from-mitochondrial-genomes
#17
Riddhi P Patel, Saskia Wutke, Dorina Lenz, Shomita Mukherjee, Uma Ramakrishnan, Géraldine Veron, Jörns Fickel, Andreas Wilting, Daniel W Förster
The Leopard cat Prionailurus bengalensis is a habitat generalist that is widely distributed across Southeast Asia. Based on morphological traits, this species has been subdivided into 12 subspecies. Thus far, there have been few molecular studies investigating intraspecific variation, and those had been limited in geographic scope. For this reason, we aimed to study the genetic structure and evolutionary history of this species across its very large distribution range in Asia. We employed both PCR-based (short mtDNA fragments, 94 samples) and high throughput sequencing based methods (whole mitochondrial genomes, 52 samples) on archival, noninvasively collected and fresh samples to investigate the distribution of intraspecific genetic variation...
June 1, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/28498965/detection-of-zika-virus-in-a-traveller-from-vietnam-to-japan
#18
Yuichi Katanami, Satoshi Kutsuna, Satoshi Taniguchi, Shigeru Tajima, Saho Takaya, Kei Yamamoto, Nozomi Takeshita, Kayoko Hayakawa, Shuzo Kanagawa, Yasuyuki Kato, Norio Ohmagari
We report an imported case of Zika fever in a traveller from Vietnam. Zika virus (ZIKV) is currently widespread in Vietnam. Ongoing transmission of ZIKV has been reported in Southeast Asia, and with frequent travel between neighbouring regions, careful surveillance for imported cases is needed.
September 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28495603/ethnopharmacological-uses-phytochemistry-biological-activities-and-therapeutic-applications-of-clinacanthus-nutans-burm-f-lindau-a-comprehensive-review
#19
REVIEW
Muhamad Noor Alfarizal Kamarudin, Md Moklesur Rahman Sarker, Habsah Abdul Kadir, Long Chiau Ming
ETHNOPHARMACOLOGICAL RELEVANCE: Clinacanthus nutans (Burm. f.) Lindau, a widely used medicinal plant, is extensively grown in tropical Asia and Southeast Asian countries. C. nutans, with its broad spectrum of pharmacological activities, has been traditionally used to treat cancer, inflammatory disorders, diabetes, insect bites, and skin problems, consumed as a vegetable, mixed with fresh juices, in concoctions, and as a whole plant. The present review analyzes the advances in the ethnopharmacology, phytochemistry, pharmacology, and toxicology of C...
May 8, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28494763/artemisinin-resistance-without-pfkelch13-mutations-in-plasmodium-falciparum-isolates-from-cambodia
#20
Angana Mukherjee, Selina Bopp, Pamela Magistrado, Wesley Wong, Rachel Daniels, Allison Demas, Stephen Schaffner, Chanaki Amaratunga, Pharath Lim, Mehul Dhorda, Olivo Miotto, Charles Woodrow, Elizabeth A Ashley, Arjen M Dondorp, Nicholas J White, Dyann Wirth, Rick Fairhurst, Sarah K Volkman
BACKGROUND: Artemisinin resistance is associated with delayed parasite clearance half-life in vivo and correlates with ring-stage survival under dihydroartemisinin in vitro. Both phenotypes are associated with mutations in the PF3D7_1343700 pfkelch13 gene. Recent spread of artemisinin resistance and emerging piperaquine resistance in Southeast Asia show that artemisinin combination therapy, such as dihydroartemisinin-piperaquine, are losing clinical effectiveness, prompting investigation of drug resistance mechanisms and development of strategies to surmount emerging anti-malarial resistance...
May 12, 2017: Malaria Journal
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