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https://www.readbyqxmd.com/read/28337392/microsatellite-markers-for-population-studies-of-the-salt-marsh-species-juncus-roemerianus-juncaceae
#1
Hayley R Tumas, Brian M Shamblin, Mark S Woodrey, Campbell J Nairn
PREMISE OF THE STUDY: Juncus roemerianus (Juncaceae) is a foundational species and ecosystem engineer of salt marshes in the Gulf of Mexico. These ecosystems provide coastal flood attenuation, nurseries for important species, and other ecosystem services, but are experiencing significant decline. Nuclear microsatellite markers were developed for J. roemerianus to study genetic diversity and population structure for conservation and restoration efforts. METHODS AND RESULTS: Illumina NextSeq high-throughput sequencing was used to develop a panel of 19 polymorphic microsatellite markers that were tested across individuals from three populations on the Gulf Coast...
March 2017: Applications in Plant Sciences
https://www.readbyqxmd.com/read/28337070/genomic-methods-and-microbiological-technologies-for-profiling-novel-and-extreme-environments-for-the-extreme-microbiome-project-xmp
#2
Scott Tighe, Ebrahim Afshinnekoo, Tara M Rock, Ken McGrath, Noah Alexander, Alexa McIntyre, Sofia Ahsanuddin, Daniela Bezdan, Stefan J Green, Samantha Joye, Sarah Stewart Johnson, Don A Baldwin, Nathan Bivens, Nadim Ajami, Joseph R Carmical, Ian Charold Herriott, Rita Colwell, Mohamed Donia, Jonathan Foox, Nick Greenfield, Tim Hunter, Jessica Hoffman, Joshua Hyman, Ellen Jorgensen, Diana Krawczyk, Jodie Lee, Shawn Levy, Natàlia Garcia-Reyero, Matthew Settles, Kelley Thomas, Felipe Gómez, Lynn Schriml, Nikos Kyrpides, Elena Zaikova, Jon Penterman, Christopher E Mason
The Extreme Microbiome Project (XMP) is a project launched by the Association of Biomolecular Resource Facilities Metagenomics Research Group (ABRF MGRG) that focuses on whole genome shotgun sequencing of extreme and unique environments using a wide variety of biomolecular techniques. The goals are multifaceted, including development and refinement of new techniques for the following: 1) the detection and characterization of novel microbes, 2) the evaluation of nucleic acid techniques for extremophilic samples, and 3) the identification and implementation of the appropriate bioinformatics pipelines...
March 10, 2017: Journal of Biomolecular Techniques: JBT
https://www.readbyqxmd.com/read/28334259/population-distribution-and-range-expansion-of-the-invasive-mexican-rice-borer-lepidoptera-crambidae-in-louisiana
#3
Blake E Wilson, Julien M Beuzelin, Thomas E Reagan
The Mexican rice borer, Eoreuma loftini (Dyar) (Lepidoptera: Crambidae), is an invasive pest that was first introduced into southern Texas in 1980 and has been expanding its range eastward along the United States Gulf Coast. The pest attacks rice (Oryza sativa L.), sugarcane (Saccharum spp.), corn (Zea mays L.), and other graminaceous crops, and its establishment in Louisiana is expected to have severe economic impacts on crop production. Range expansion and population distribution of E. loftini were monitored with a network of 77 pheromone traps throughout southwestern Louisiana from 2013 to 2015...
March 2, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28333937/variability-in-age-and-size-at-maturation-reproductive-longevity-and-long-term-growth-dynamics-for-kemp-s-ridley-sea-turtles-in-the-gulf-of-mexico
#4
Larisa Avens, Lisa R Goshe, Lewis Coggins, Donna J Shaver, Ben Higgins, Andre M Landry, Rhonda Bailey
Effective management of protected sea turtle populations requires knowledge not only of mean values for demographic and life-history parameters, but also temporal and spatial trends, variability, and underlying causes. For endangered Kemp's ridley sea turtles (Lepidochelys kempii), the need for baseline information of this type has been emphasized during attempts to understand causes underlying the recent truncation in the recovery trajectory for nesting females. To provide insight into variability in age and size at sexual maturation (ASM and SSM) and long-term growth patterns likely to influence population trends, we conducted skeletochronological analysis of humerus bones from 333 Kemp's ridleys stranded throughout the Gulf of Mexico (GOM) from 1993 to 2010...
2017: PloS One
https://www.readbyqxmd.com/read/28331408/on-some-new-species-of-ancorabolidae-sars-1909-from-the-gulf-of-california-the-genera-ceratonotus-sars-1909-and-dendropsyllus-conroy-dalton-2003-crustacea-copepoda-harpacticoida
#5
Samuel Gómez, Karen Díaz
Two new species of two genera of the family Ancorabolidae, Ceratonotus elongatussp. n. and Dendropsyllus californiensissp. n., found at 1642 m and 1759 m depth, respectively, in the Southern Trough of Guaymas Basin, are described. Ceratonotus elongatussp. n. was attributed to that genus by a series of character states of which the lack of dendroid dorsal processes on the P6-bearing somite and the presence of such processes on the first abdominal somite were definitive. This species was observed to be very close to Ceratonotus thistlei Conroy-Dalton, 2003 from the San Diego Trough, and can be separated by a number of traits of which the elongated sensilla-bearing dorsal tubercles on the second abdominal somite in the new species was definitive...
2017: ZooKeys
https://www.readbyqxmd.com/read/28330693/evaluation-of-sediment-contamination-by-monoaromatic-hydrocarbons-in-the-coastal-lagoons-of-gulf-of-saros-ne-aegean-sea
#6
Selma Ünlü, Bedri Alpar
The concentrations and distribution of monoaromatic hydrocarbons (benzene, toluene, ethyl benzene and the sum of m-, p- and o-, xylenes) were determined in the sediments of coastal lagoons of the Gulf of Saros, using a static headspace GC-MS. The total concentrations of BTEX compounds ranged from 368.5 to below detection limit 0.6μgkg(-1) dw, with a mean value of 61.5μgkg(-1) dw. The light aromatic fraction of m-, p-xylene was the most abundant compound (57.1% in average), and followed by toluene (38.1%)>ethylbenzene (4...
March 19, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28328972/altered-gut-microbiome-in-a-mouse-model-of-gulf-war-illness-causes-neuroinflammation-and-intestinal-injury-via-leaky-gut-and-tlr4-activation
#7
Firas Alhasson, Suvarthi Das, Ratanesh Seth, Diptadip Dattaroy, Varun Chandrashekaran, Caitlin N Ryan, Luisa S Chan, Traci Testerman, James Burch, Lorne J Hofseth, Ronnie Horner, Mitzi Nagarkatti, Prakash Nagarkatti, Stephen M Lasley, Saurabh Chatterjee
Many of the symptoms of Gulf War Illness (GWI) that include neurological abnormalities, neuroinflammation, chronic fatigue and gastrointestinal disturbances have been traced to Gulf War chemical exposure. Though the association and subsequent evidences are strong, the mechanisms that connect exposure to intestinal and neurological abnormalities remain unclear. Using an established rodent model of Gulf War Illness, we show that chemical exposure caused significant dysbiosis in the gut that included increased abundance of phylum Firmicutes and Tenericutes, and decreased abundance of Bacteroidetes...
2017: PloS One
https://www.readbyqxmd.com/read/28326069/different-bacterial-communities-involved-in-peptide-decomposition-between-normoxic-and-hypoxic-coastal-waters
#8
Shuting Liu, Boris Wawrik, Zhanfei Liu
Proteins and peptides are key components of the labile dissolved organic matter pool in marine environments. Knowing which types of bacteria metabolize peptides can inform the factors that govern peptide decomposition and further carbon and nitrogen remineralization in marine environments. A (13)C-labeled tetrapeptide, alanine-valine-phenylalanine-alanine (AVFA), was added to both surface (normoxic) and bottom (hypoxic) seawater from a coastal station in the northern Gulf of Mexico for a 2-day incubation experiment, and bacteria that incorporated the peptide were identified using DNA stable isotope probing (SIP)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28325977/salix-transect-of-europe-structured-genetic-variation-and-isolation-by-distance-in-the-nettle-psyllid-trioza-urticae-psylloidea-hemiptera-from-greece-to-arctic-norway
#9
Rungtip Wonglersak, Quentin Cronk, Diana Percy
BACKGROUND: The common nettle (Urtica dioica L.) is co-associated with willows (Salix spp.) in riparian habitats across Europe. We sampled the widespread nettle psyllid, Trioza urticae (Linné, 1758), from Urtica in willow habitats on a megatransect of Europe from the Aegean to the Arctic Ocean. The aim of this study was to use an unusually widespread insect to assess the influence of geographic distances and natural geographic barriers on patterns of genetic variation and haplotype distribution...
2017: Biodiversity Data Journal
https://www.readbyqxmd.com/read/28319178/inter-nesting-movements-and-habitat-use-of-adult-female-kemp-s-ridley-turtles-in-the-gulf-of-mexico
#10
Donna J Shaver, Kristen M Hart, Ikuko Fujisaki, David Bucklin, Autumn R Iverson, Cynthia Rubio, Thomas F Backof, Patrick M Burchfield, Raul de Jesus Gonzales Diaz Miron, Peter H Dutton, Amy Frey, Jaime Peña, Daniel Gomez Gamez, Hector J Martinez, Jaime Ortiz
Species vulnerability is increased when individuals congregate in restricted areas for breeding; yet, breeding habitats are not well defined for many marine species. Identification and quantification of these breeding habitats are essential to effective conservation. Satellite telemetry and switching state-space modeling (SSM) were used to define inter-nesting habitat of endangered Kemp's ridley turtles (Lepidochelys kempii) in the Gulf of Mexico. Turtles were outfitted with satellite transmitters after nesting at Padre Island National Seashore, Texas, USA, from 1998 through 2013 (n = 60); Rancho Nuevo, Tamaulipas, Mexico, during 2010 and 2011 (n = 11); and Tecolutla, Veracruz, Mexico, during 2012 and 2013 (n = 11)...
2017: PloS One
https://www.readbyqxmd.com/read/28318648/rates-of-central-line-associated-bloodstream-infection-in-tertiary-care-hospitals-in-3-arabian-gulf-countries-6-year-surveillance-study
#11
Hanan H Balkhy, Aiman El-Saed, Seif S Al-Abri, Jameela Alsalman, Huda Alansari, Zaina Al Maskari, Ayman El Gammal, Wafa Al Nasser, Amina AlJardani, Abdulhakeem Althaqafi
The objective of this study was to compare central line-associated bloodstream infection (CLABSI) rates in Gulf Cooperation Council (GCC) states with those of the U.S. National Healthcare Safety Network (NHSN) and International Nosocomial Infection Control Consortium (INICC) using pooled data from 6 hospitals in 3 GCC countries. The overall CLABSI rate was 3.1 per 1,000 central line days. After adjusting for differences in intensive care unit types, the risk of CLABSI in GCC hospitals was 146% higher than NHSN hospitals but 33% lower than INICC hospitals...
March 16, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28318596/determining-nuclear-fingerprints-glove-boxes-radiation-protection-and-the-international-atomic-energy-agency
#12
Maria Rentetzi
In a nuclear laboratory, a glove box is a windowed, sealed container equipped with two flexible gloves that allow the user to manipulate nuclear materials from the outside in an ostensibly safe environment. As a routine laboratory device, it invites neglect from historians and storytellers of science. Yet, since especially the Gulf War, glove boxes have put the interdependence of science, diplomacy, and politics into clear relief. Standing at the intersection of history of science and international history, technological materials and devices such as the glove box can provide penetrating insight into the role of international diplomatic organizations to the global circulation and control of scientific knowledge...
March 15, 2017: Endeavour
https://www.readbyqxmd.com/read/28318562/mercury-in-suspended-matter-of-the-gulf-of-gda%C3%A5-sk-origin-distribution-and-transport-at-the-land-sea-interface
#13
Agnieszka Jędruch, Urszula Kwasigroch, Magdalena Bełdowska, Karol Kuliński
The coastal regions of inland seas are particularly vulnerable to Hg pollution. An important carrier of toxic Hg in the marine environment is suspended matter originating from multiple sources. The present study was conducted in the Gulf of Gdańsk and its adjoining land in the years 2011-2013. The results indicated that the HgSPM (Hg bound with suspended particulate matter) concentrations varied horizontally and vertically and were dependent on the water dynamics and the composition of organic matter. Conditions favourable for the accumulation of matter and adsorption of reactive gaseous mercury led to increasing HgSPM levels, which are especially hazardous in the case of semi-enclosed areas such as estuaries...
March 16, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28316414/first-occurrence-of-argathona-macronema-bleeker-1857-isopoda-cirolanidae-on-coral-reef-fishes-along-the-tuticorin-coastal-water-gulf-of-mannar
#14
Gurusamy Chelladurai, Jayaraj Mohanraj, Govinda Rajalu Jayanthi
Isopod Parasites are considered as a major threat to the fishing industry, due to rigorous disease outbreaks. The parasites from the two economically important reef fish family Lutjanidae and Serranidae are analyzed i.e. Epinephelus malabaricus and Lutjanus rivulatus. The samples are obtained from the landings of Trawl net from Gulf of Mannar region of South east coast of India. They are severely infested by the isopod parasite Agrathona macronema in the Pectoral fins and ventral region of the body. This species is found to be the new record in the Gulf of Mannar region and deposited in the Marine laboratory of Kamaraj College...
March 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/28316410/first-record-of-gnathia-sp-an-ectoparasitic-isopod-isolated-from-the-coral-reef-fish-heniochus-acuminatus-collected-from-the-gulf-of-mannar-region-southeast-coast-of-india
#15
G Jayanthi, M Anand, G Chelladurai, A K Kumaraguru
An ectoparasitic isopod, Gnathia sp. was found in the Gill chambers of Heniochus acuminatus collected from the Gulf of Mannar region, Southeast coast of India. The present study signifies the new record of Gnathia sp. an coral reef ectoparasitic isopod captured from the gill net during October 2014. Among the 36 specimens examined 5 specimens were infested with Pranzia larvae of Gnathia sp. The size of the isopods were ranged from 1.5 to 3.2 mm and the host fish length varied between 119 and 230 mm. They were specifically found attached to the gill chambers and no damage observed in the lamellar pattern...
March 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/28315772/fractionation-of-the-gulf-toadfish-intestinal-precipitate-organic-matrix-reveals-potential-functions-of-individual-proteins
#16
Kevin L Schauer, Martin Grosell
The regulatory mechanisms behind the production of CaCO3 in the marine teleost intestine are poorly studied despite being essential for osmoregulation and responsible for a conservatively estimated 3-15% of annual oceanic CaCO3 production. It has recently been reported that the intestinally derived precipitates produced by fish as a byproduct of their osmoregulatory strategy form in conjunction with a proteinaceous matrix containing nearly 150 unique proteins. The individual functions of these proteins have not been the subject of investigation until now...
March 15, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28306747/hypothermic-stunning-of-green-sea-turtles-in-a-western-gulf-of-mexico-foraging-habitat
#17
Donna J Shaver, Philippe E Tissot, Mary M Streich, Jennifer Shelby Walker, Cynthia Rubio, Anthony F Amos, Jeffrey A George, Michelle R Pasawicz
Texas waters provide one of the most important developmental and foraging habitats for juvenile green turtles (Chelonia mydas) in the western Gulf of Mexico, but hypothermic stunning is a significant threat and was the largest cause of green turtle strandings in Texas from 1980 through 2015; of the 8,107 green turtles found stranded, 4,529 (55.9%) were victims of hypothermic stunning. Additionally, during this time, 203 hypothermic stunned green turtles were found incidentally captured due to power plant water intake entrapment...
2017: PloS One
https://www.readbyqxmd.com/read/28303641/myalgic-encephalomyelitis-chronic-fatigue-syndrome-and-gulf-war-illness-patients-exhibit-increased-humoral-responses-to-the-herpesviruses-encoded-dutpase-implications-in-disease-pathophysiology
#18
Peter Halpin, Marshall Vance Williams, Nancy G Klimas, Mary Ann Fletcher, Zachary Barnes, Maria Eugenia Ariza
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) and Gulf War Illness (GWI) are debilitating diseases with overlapping symptomology and there are currently no validated tests for definitive diagnosis of either syndrome. While there is evidence supporting the premise that some herpesviruses may act as possible triggers of ME/CFS, the involvement of herpesviruses in the pathophysiology of GWI has not been studied in spite of a higher prevalence of ME/CFS in these patients. We have previously demonstrated that the deoxyuridine triphosphate nucleotidohydrolases (dUTPase) encoded by Epstein-Barr virus (EBV), human herpesvirus-6 (HHV-6), and varicella-zoster virus (VZV) possess novel functions in innate and adaptive immunity...
March 17, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28302769/complete-genome-sequence-of-nitrosomonas-cryotolerans-atcc-49181-a-phylogenetically-distinct-ammonia-oxidizing-bacterium-isolated-from-arctic-waters
#19
Marlen C Rice, Jeanette M Norton, Lisa Y Stein, Jessica Kozlowski, Annette Bollmann, Martin G Klotz, Luis Sayavedra-Soto, Nicole Shapiro, Lynne A Goodwin, Marcel Huntemann, Alicia Clum, Manoj Pillay, Neha Varghese, Natalia Mikhailova, Krishna Palaniappan, Natalia Ivanova, Supratim Mukherjee, T B K Reddy, Chew Yee Ngan, Chris Daum, Nikos Kyrpides, Tanja Woyke
Nitrosomonas cryotolerans ATCC 49181 is a cold-tolerant marine ammonia-oxidizing bacterium isolated from seawater collected in the Gulf of Alaska. The high-quality complete genome contains a 2.87-Mbp chromosome and a 56.6-kbp plasmid. Chemolithoautotrophic modules encoding ammonia oxidation and CO2 fixation were identified.
March 16, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28302359/footprint-weathering-and-persistence-of-synthetic-base-drilling-mud-olefins-in-deep-sea-sediments-following-the-deepwater-horizon-disaster
#20
Scott A Stout, James R Payne
Olefin-based synthetic-based drilling mud (SBM) was released into the Gulf of Mexico as a result of the Deepwater Horizon (DWH) disaster in 2010. We studied the composition of neat SBM and, using conventional GC-FID, the extent, concentration, and chemical character of SBM-derived olefins in >3600 seafloor sediments collected in 2010/2011 and 2014. SBM-derived (C14-C20) olefins occurred (up to 10cm deep) within a 6.5km(2) "footprint" around the well. The olefin concentration in most sediments decreased an order of magnitude between 2010/2011 and 2014, at least in part due to biodegradation, evidenced by the preferential loss C16 and C18 linear (α- and internal) versus branched olefins...
March 13, 2017: Marine Pollution Bulletin
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