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https://www.readbyqxmd.com/read/29780270/-architrypethelium-murisporum-ascomycota-trypetheliaceae-a-remarkable-new-lichen-species-from-thailand-challenging-ascospore-septation-as-an-indicator-of-phylogenetic-relationships
#1
Theerapat Luangsuphabool, H Thorsten Lumbsch, Jittra Piapukiew, Ek Sangvichien
Architrypethelium murisporum Luangsuphabool, Lumbsch & Sangvichien is described for a crustose lichen occurring in dry evergreen forest in Thailand. It is characterised by a green to yellow-green corticated thallus, perithecia fused in black pseudostromata with white rim surrounding the ostiole and small, hyaline and muriform ascospores. Currently, all species in the genus Architrypethelium have transversely septate ascospores, hence the discovery of this new species indicates that ascospore septation is variable within the genus, similar to numerous other groups of lichen-forming ascomycetes...
2018: MycoKeys
https://www.readbyqxmd.com/read/29780268/filling-the-bins-of-life-report-of-an-amphibian-and-reptile-survey-of-the-tanintharyi-tenasserim-region-of-myanmar-with-dna-barcode-data
#2
Daniel G Mulcahy, Justin L Lee, Aryeh H Miller, Mia Chand, Myint Kyaw Thura, George R Zug
Despite threats of species extinctions, taxonomic crises, and technological advances in genomics and natural history database informatics, we are still distant from cataloguing all of the species of life on earth. Amphibians and reptiles are no exceptions; in fact new species are described nearly every day and many species face possible extinction. The number of described species continues to climb as new areas of the world are explored and as species complexes are examined more thoroughly. The use of DNA barcoding provides a mechanism for rapidly estimating the number of species at a given site and has the potential to record all of the species of life on Earth...
2018: ZooKeys
https://www.readbyqxmd.com/read/29778924/cerbera-odollam-toxicity-a-review
#3
REVIEW
Ritesh G Menezes, Muhammad Shariq Usman, Syed Ather Hussain, Mohammed Madadin, Tariq Jamal Siddiqi, Huda Fatima, Pradhum Ram, Syed Bilal Pasha, S Senthilkumaran, Tooba Qadir Fatima, Sushil Allen Luis
Cerbera odollam is a plant species of the Apocynaceae family. It is often dubbed the 'suicide tree' due to its strong cardiotoxic effects, which make it a suitable means to attempt suicide. The plant grows in wet areas in South India, Madagascar, and Southeast Asia; and its common names include Pong-Pong and Othalanga. The poison rich part of the plant is the kernel which is present at the core of its fruit. The bioactive toxin in the plant is cerberin, which is a cardiac glycoside of the cardenolide class...
May 9, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29778723/paleocene-eocene-and-plio-pleistocene-sea-level-changes-as-species-pumps-in-southeast-asia-evidence-from-althepus-spiders
#4
Fengyuan Li, Shuqiang Li
Sea-level change has been viewed as a primary driver in the formation of biodiversity. Early studies confirmed that Plio-Pleistocene sea-level changes led to the isolation and subsequent genetic differentiation of Southeast (SE) Asian organisms over short geological timescales. However, long-time consequences of sea-level fluctuations remain unclear. Herein, we analyze the evolutionary history of Althepus (spiders) whose distribution encompasses Indo-Burma and the Sunda shelf islands to understand how sea-level changes over shallow and deep timescales effected their history...
May 17, 2018: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/29778722/phylogenomics-resolves-evolutionary-relationships-and-provides-insights-into-floral-evolution-in-the-tribe-shoreeae-dipterocarpaceae
#5
Jacqueline Heckenhauer, Rosabelle Samuel, Peter S Ashton, Kamariah Abu Salim, Ovidiu Paun
A supra-annual, community-level synchronous flowering prevails in several parts of the tropical forests of Southeast Asia and its evolution has been hypothesized to be linked to pollinator shifts. The aseasonal Southeast Asian lowland rainforests are dominated by Dipterocarpaceae, which exhibit great floral diversity, a range of pollination syndromes and include species with annual and supra-annual gregarious flowering. Phylogenetic relationships within this family are still unclear, especially in the tribe Shoreeae...
May 17, 2018: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/29775469/pioneer-farming-in-southeast-europe-during-the-early-sixth-millennium-bc-climate-related-adaptations-in-the-exploitation-of-plants-and-animals
#6
Maria Ivanova, Bea De Cupere, Jonathan Ethier, Elena Marinova
The Old World farming system arose in the semi-arid Mediterranean environments of southwest Asia. Pioneer farmers settling the interior of the Balkans by the early sixth millennium BC were among the first to introduce southwest Asian-style cultivation and herding into areas with increasingly continental temperate conditions. Previous research has shown that the bioarchaeological assemblages from early farming sites in southeast Europe vary in their proportions of plant and animal taxa, but the relationship between taxonomic variation and climate has remained poorly understood...
2018: PloS One
https://www.readbyqxmd.com/read/29774294/seroprevalence-and-awareness-of-porcine-cysticercosis-across-different-pig-production-systems-in-south-central-cambodia
#7
Aderosoye Adenuga, Ana Mateus, Chhay Ty, Khieu Borin, Davun Holl, Sorn San, Victoria Duggan, Madeleine Clark, Gavin J D Smith, Richard Coker, Andrew Vaughn, James W Rudge
Background: Taeniasis/cysticercosis, caused by the pork tapeworm Taenia solium , represents an important public health and economic burden in endemic countries. However, there is a paucity of data on infection among pigs in many parts of Southeast Asia, particularly Cambodia. We aimed to estimate seroprevalence of porcine cysticercosis, and investigate husbandary practices and knowledge of the disease among livestock workers, across different pig sector units in south-central Cambodia...
February 2018: Parasite Epidemiology and Control
https://www.readbyqxmd.com/read/29773666/ancient-genomes-document-multiple-waves-of-migration-in-southeast-asian-prehistory
#8
Mark Lipson, Olivia Cheronet, Swapan Mallick, Nadin Rohland, Marc Oxenham, Michael Pietrusewsky, Thomas Oliver Pryce, Anna Willis, Hirofumi Matsumura, Hallie Buckley, Kate Domett, Nguyen Giang Hai, Trinh Hoang Hiep, Aung Aung Kyaw, Tin Tin Win, Baptiste Pradier, Nasreen Broomandkhoshbacht, Francesca Candilio, Piya Changmai, Daniel Fernandes, Matthew Ferry, Beatriz Gamarra, Eadaoin Harney, Jatupol Kampuansai, Wibhu Kutanan, Megan Michel, Mario Novak, Jonas Oppenheimer, Kendra Sirak, Kristin Stewardson, Zhao Zhang, Pavel Flegontov, Ron Pinhasi, David Reich
Southeast Asia is home to rich human genetic and linguistic diversity, but the details of past population movements in the region are not well known. Here, we report genome-wide ancient DNA data from eighteen Southeast Asian individuals spanning from the Neolithic period through the Iron Age (4100-1700 years ago). Early farmers from Man Bac in Vietnam exhibit a mixture of East Asian (southern Chinese agriculturalist) and deeply diverged eastern Eurasian (hunter-gatherer) ancestry characteristic of Austroasiatic speakers, with similar ancestry as far south as Indonesia providing evidence for an expansive initial spread of Austroasiatic languages...
May 17, 2018: Science
https://www.readbyqxmd.com/read/29769697/establishment-of-a-nasopharyngeal-carcinoma-cell-line-capable-of-undergoing-lytic-epstein-barr-virus-reactivation
#9
Yim Ling Yip, Weitao Lin, Wen Deng, Lin Jia, Kwok Wai Lo, Pierre Busson, Benjamin Vérillaud, Xuefeng Liu, Chi Man Tsang, Maria Li Lung, Sai Wah Tsao
Epstein-Barr virus (EBV) infects more than 90% of the adult human population. Undifferentiated nasopharyngeal carcinoma (NPC) is common in Southeast Asia, with a particularly high incidence among southern Chinese. The EBV genome can be detected in practically all cancer cells in undifferentiated NPC. The role of EBV in pathogenesis of undifferentiated NPC remains elusive. NPC cell lines are known to be difficult to establish in culture. The EBV+ve NPC cell lines, even if established in culture, rapidly lost their EBV episomes upon prolonged propagation...
May 16, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29768543/preventing-diseases-in-round-the-world-travelers-a-contemporary-challenge-for-travel-medicine-advice
#10
Karis Maria de Pinho Rodrigues, Beatriz Meurer Moreira
Providing advice for travelers embarking on long-term trips poses a challenge in travel medicine. A long duration of risk exposure is associated with underuse of protective measures and poor adherence to chemoprophylaxis, increasing the chances of acquiring infections. Recently, in our clinic, we observed an increase in the number of travelers undertaking round-the-world trips. These individuals are typically aged around 32 years and quit their jobs to embark on one-to-two-year journeys. Their destinations include countries in two or more continents, invariably Southeast Asia and Indonesia, and mostly involve land travel and visiting rural areas...
March 2018: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/29765958/current-perspectives-on-opisthorchiasis-control-and-cholangiocarcinoma-detection-in-southeast-asia
#11
REVIEW
Narong Khuntikeo, Attapol Titapun, Watcharin Loilome, Puangrat Yongvanit, Bandit Thinkhamrop, Nittaya Chamadol, Thidarat Boonmars, Teerachai Nethanomsak, Ross H Andrews, Trevor N Petney, Paiboon Sithithaworn
Similar to bile duct cancer or cholangiocarcinoma (CCA) in the western world, opisthorchiasis-associated CCA in Southeast Asia is an aggressive cancer with high mortality rates. It is known to cause a significant health burden in the opisthorchiasis region in Thailand and possibly throughout mainland Southeast. To reduce this health burden, a comprehensive prevention and control program for opisthorchiasis, as well as CCA, is required. In this review, our aim is to provide a brief update of the current situation regarding the natural history of opisthorchiasis and health burden of CCA in Southeast Asia...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29763452/factors-affecting-forest-area-change-in-southeast-asia-during-1980-2010
#12
Nobuo Imai, Takuya Furukawa, Riyou Tsujino, Shumpei Kitamura, Takakazu Yumoto
While many tropical countries are experiencing rapid deforestation, some have experienced forest transition (FT) from net deforestation to net reforestation. Numerous studies have identified causative factors of FT, among which forest scarcity has been considered as a prerequisite for FT. In fact, in SE Asia, the Philippines, Thailand and Viet Nam, which experienced FT since 1990, exhibited a lower remaining forest area (30±8%) than the other five countries (68±6%, Cambodia, Indonesia, Laos, Malaysia, and Myanmar) where forest loss continues...
2018: PloS One
https://www.readbyqxmd.com/read/29761761/leptospirosis-among-returned-travelers-a-geosentinel-site-survey-and-multicenter-analysis-1997-2016
#13
Sophia G de Vries, Benjamin J Visser, Rhett J Stoney, Jiri F P Wagenaar, Emmanuel Bottieau, Lin H Chen, Annelies Wilder-Smith, Mary Wilson, Christophe Rapp, Karin Leder, Eric Caumes, Eli Schwartz, Noreen A Hynes, Abraham Goorhuis, Douglas H Esposito, Davidson H Hamer, Martin P Grobusch, For The GeoSentinel Surveillance Network
Leptospirosis is a potentially fatal emerging zoonosis with worldwide distribution and a broad range of clinical presentations and exposure risks. It typically affects vulnerable populations in (sub)tropical countries but is increasingly reported in travelers as well. Diagnostic methods are cumbersome and require further improvement. Here, we describe leptospirosis among travelers presenting to the GeoSentinel Global Surveillance Network. We performed a descriptive analysis of leptospirosis cases reported in GeoSentinel from January 1997 through December 2016...
May 14, 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29761051/global-opportunities-for-mariculture-development-to-promote-human-nutrition
#14
Owen R Liu, Renato Molina, Margaret Wilson, Benjamin S Halpern
An estimated two billion people worldwide currently suffer from micronutrient malnutrition, and almost one billion are calorie deficient. Providing adequate nutrition is a growing global challenge. Seafood is one of the most important sources of both protein and micronutrients for many, yet production from wild capture fisheries has stagnated. In contrast, aquaculture is the world's fastest-growing food production sector and now supplies over half of all seafood consumed globally. Mariculture, or the farming of brackish and marine species, accounts for roughly one-third of all aquaculture production and has received increasing attention as a potential supplement for wild-caught marine fisheries...
2018: PeerJ
https://www.readbyqxmd.com/read/29756280/determination-of-phenolic-compounds-and-antioxidant-activities-from-peel-flesh-seed-of-guava-psidium-guajava-l
#15
Xuan Liu, Xu Yan, Jinfeng Bi, Jianing Liu, Mo Zhou, Xinye Wu, Qinqin Chen
White-flesh guava is widely planted in tropical or subtropical areas of Southeast Asia. Despite of folk statements on specific function, few researches are focused on the description of its plant secondary metabolites. In the present work, contents of total phenolics and flavonoids as well as antioxidant activity from different parts (peel, flesh and seed) were determined. The constituents of ethanol extracts were characterized by HPLC-QTOF-MS. A total of 69 phenolic compounds as well as 9 polar compounds were detected, with flavonoids, hydrolyzable tannins, phenolic acid derivatives and benzophenones of the four predominant phenolic compounds...
May 13, 2018: Electrophoresis
https://www.readbyqxmd.com/read/29748640/publisher-correction-investigating-the-relationship-between-aerosol-optical-depth-and-precipitation-over-southeast-asia-with-relative-humidity-as-an-influencing-factor
#16
Daniel Hui Loong Ng, Ruimin Li, Srivatsan V Raghavan, Shie-Yui Liong
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.
May 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29747580/whole-genome-and-transcriptome-analysis-reveal-adaptive-strategies-and-pathogenesis-of-calonectria-pseudoreteaudii-to-eucalyptus
#17
Xiaozhen Ye, Zhenhui Zhong, Hongyi Liu, Lianyu Lin, Mengmeng Guo, Wenshuo Guo, Zonghua Wang, Qinghua Zhang, Lizhen Feng, Guodong Lu, Feiping Zhang, Quanzhu Chen
BACKGROUND: Leaf blight caused by Calonectria spp. is one of the most destructive diseases to affect Eucalyptus nurseries and plantations. These pathogens mainly attack Eucalyptus, a tree with a diversity of secondary metabolites employed as defense-related phytoalexins. To unravel the fungal adaptive mechanisms to various phytoalexins, we examined the genome of C. pseudoreteaudii, which is one of the most aggressive pathogens in southeast Asia. RESULTS: A 63.7 Mb genome with 14,355 coding genes of C...
May 10, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29747009/transoceanic-stepping-stones-between-cretaceous-waterfalls-the-enigmatic-biogeography-of-pantropical-oocyclus-cascade-beetles
#18
Emmanuel F A Toussaint, Andrew Short
Beetles have colonized freshwater habitats multiple times throughout their evolutionary history. Some of these aquatic lineages are associated exclusively with waterfall-like habitats, often with modified morphologies to cope with their unusual way of life. The historical biogeography of such cascade beetle lineages has been shown to strongly reflect ancient tectonic events. We focus on the pantropical genus Oocyclus of which species dwell in waterfalls and associated habitats. We infer the first molecular phylogeny of Oocyclus using a dataset of seven gene fragments...
May 7, 2018: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/29746468/seasonal-temperature-variation-influences-climate-suitability-for-dengue-chikungunya-and-zika-transmission
#19
John H Huber, Marissa L Childs, Jamie M Caldwell, Erin A Mordecai
Dengue, chikungunya, and Zika virus epidemics transmitted by Aedes aegypti mosquitoes have recently (re)emerged and spread throughout the Americas, Southeast Asia, the Pacific Islands, and elsewhere. Understanding how environmental conditions affect epidemic dynamics is critical for predicting and responding to the geographic and seasonal spread of disease. Specifically, we lack a mechanistic understanding of how seasonal variation in temperature affects epidemic magnitude and duration. Here, we develop a dynamic disease transmission model for dengue virus and Aedes aegypti mosquitoes that integrates mechanistic, empirically parameterized, and independently validated mosquito and virus trait thermal responses under seasonally varying temperatures...
May 10, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29742002/shedding-of-japanese-encephalitis-virus-in-oral-fluid-of-infected-swine
#20
Amy C Lyons, Yan-Jang S Huang, So Lee Park, Victoria B Ayers, Susan M Hettenbach, Stephen Higgs, D Scott McVey, Leela Noronha, Wei-Wen Hsu, Dana L Vanlandingham
Japanese encephalitis virus (JEV) is a zoonotic mosquito-borne flavivirus endemic in the Asia-Pacific region. Maintenance of JEV in nature involves enzootic transmission by competent Culex mosquitoes among susceptible avian and swine species. Historically, JEV has been regarded as one of the most important arthropod-borne viruses in Southeast Asia. Oronasal shedding of JEV from infected amplification hosts was not recognized until the recent discovery of vector-free transmission of JEV among domestic pigs. In this study, oral shedding of JEV was characterized in domestic pigs and miniature swine representing the feral phenotype...
May 9, 2018: Vector Borne and Zoonotic Diseases
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