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https://www.readbyqxmd.com/read/27926985/tropical-rainforests-that-persisted-inferences-from-the-quaternary-demographic-history-of-eight-tree-species-in-the-guiana-shield
#1
Stéphanie Barthe, Giorgio Binelli, Bruno Hérault, Caroline Scotti-Saintagne, Daniel Sabatier, Ivan Scotti
How Quaternary climatic and geological disturbances influenced the composition of Neotropical forests is hotly debated. Rain fall and temperature changes during and/or immediately after the Last Glacial Maximum (LGM) are thought to have strongly affected the geographical distribution and local abundance of tree species. The paucity of the fossil records in Neotropical forests prevents a direct reconstruction of such processes. To describe community-level historical trends in forest composition, we turned therefore to inferential methods based on the reconstruction of past demographic changes...
December 7, 2016: Molecular Ecology
https://www.readbyqxmd.com/read/27919362/the-effect-of-omega-3-carboxylic-acids-on-apolipoprotein-ciii-containing-lipoproteins-in-severe-hypertriglyceridemia
#2
Allyson M Morton, Jeremy D Furtado, Jane Lee, William Amerine, Michael H Davidson, Frank M Sacks
BACKGROUND: Lipoprotein subspecies containing apoCIII adversely affect cardiovascular disease (CVD) risk; for example, low density lipoprotein (LDL) with apoCIII is a stronger CVD predictor than LDL without apoCIII. The Epanova for Lowering Very High Triglycerides (EVOLVE) trial showed that Epanova (omega-3 carboxylic acids [OM3-CA]) significantly lowered TG and apoCIII but raised LDL-C. However, it is unknown what subspecies of LDL were affected by treatment. OBJECTIVE: To determine how lipoprotein subspecies are affected by omega-3 fatty acid treatment, we studied the effect of OM3-CA on apoCIII concentrations in high density lipoprotein (HDL), LDL, and very low density lipoprotein (VLDL) and on the concentrations of subspecies of HDL, LDL, and VLDL that contain or do not contain apoCIII...
November 2016: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/27918528/origin-of-modern-syphilis-and-emergence-of-a-pandemic-treponema-pallidum-cluster
#3
Natasha Arora, Verena J Schuenemann, Günter Jäger, Alexander Peltzer, Alexander Seitz, Alexander Herbig, Michal Strouhal, Linda Grillová, Leonor Sánchez-Busó, Denise Kühnert, Kirsten I Bos, Leyla Rivero Davis, Lenka Mikalová, Sylvia Bruisten, Peter Komericki, Patrick French, Paul R Grant, María A Pando, Lucía Gallo Vaulet, Marcelo Rodríguez Fermepin, Antonio Martinez, Arturo Centurion Lara, Lorenzo Giacani, Steven J Norris, David Šmajs, Philipp P Bosshard, Fernando González-Candelas, Kay Nieselt, Johannes Krause, Homayoun C Bagheri
The abrupt onslaught of the syphilis pandemic that started in the late fifteenth century established this devastating infectious disease as one of the most feared in human history(1). Surprisingly, despite the availability of effective antibiotic treatment since the mid-twentieth century, this bacterial infection, which is caused by Treponema pallidum subsp. pallidum (TPA), has been re-emerging globally in the last few decades with an estimated 10.6 million cases in 2008 (ref. 2). Although resistance to penicillin has not yet been identified, an increasing number of strains fail to respond to the second-line antibiotic azithromycin(3)...
December 5, 2016: Nature Microbiology
https://www.readbyqxmd.com/read/27917577/inter-and-intra-specific-diversity-in-cistus-l-cistaceae-seeds-analyzed-by-computer-vision-techniques
#4
Marisol Lo Bianco, Oscar Grillo, Eva Cañadas, Gianfranco Venora, Gianluigi Bacchetta
This work aims to discriminate among different species of the genus Cistus, using seeds parameters and following the scientific plant names included as accepted in The Plant List. Also the intra-specific phenotypic differentiation of C. creticus, through the comparison of three subspecies (C. creticus subsp. creticus, C. c. subsp. eriocephalus and C. c. subsp. corsicus) and the inter-population variability among five C. creticus subsp. eriocephalus populations, were evaluated. Seed mean weight and 137 morpho-colorimetric quantitative variables, describing shape, size, color and textural seed traits, were measured using image analysis techniques...
December 5, 2016: Plant Biology
https://www.readbyqxmd.com/read/27917179/evaluation-of-relationships-between-growth-rate-tree-size-lignocellulose-composition-and-enzymatic-saccharification-in-interspecific-corymbia-hybrids-and-parental-taxa
#5
Adam L Healey, David J Lee, Jason S Lupoi, Gabriella Papa, Joel M Guenther, Luca Corno, Fabrizio Adani, Seema Singh, Blake A Simmons, Robert J Henry
In order for a lignocellulosic bioenergy feedstock to be considered sustainable, it must possess a high rate of growth to supply biomass for conversion. Despite the desirability of a fast growth rate for industrial application, it is unclear what effect growth rate has on biomass composition or saccharification. We characterized Klason lignin, glucan, and xylan content with response to growth in Corymbia interspecific F1 hybrid families (HF) and parental species Corymbia torelliana and C. citriodora subspecies variegata and measured the effects on enzymatic hydrolysis from hydrothermally pretreated biomass...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27917048/descriptions-of-two-new-species-of-the-genus-camaena-from-guangxi-china-gastropoda-stylommatophora-camaenidae
#6
Hong-Mu Ai, Jun-Hong Lin, Pei Wang, Wei-Chuan Zhou, Chung-Chi Hwang
The sinistral Camaena species are mainly distributed in southern China and northern Vietnam. There is a total of eight species or subspecies of sinistral Camaena recorded at present. By systematically collecting specimens in Guangdong, Guangxi and Yunnan in southern China and the northern areas in Vietnam, two new species, Camaena lingyunensis Zhou & Lin, sp. n. and Camaena detianensis Zhou & Lin, sp. n. have been discovered. These new species are here characterised based on the comparison of shells, their reproductive system, the molecular phylogenetic analyses of the mitochondrial genes COI and 16S, and the nuclear gene ITS2...
2016: ZooKeys
https://www.readbyqxmd.com/read/27917042/first-record-of-the-genus-pycnodictya-with-its-subspecies-p-galinieri-galinieri-from-egypt-orthoptera-acrididae
#7
REVIEW
Asmaa A Haggag
The band-winged Pycnodictya galinieri galinieri (Reiche & Fairmaire, 1849) and its genus Pycnodictya Stål, 1873 (Orthoptera: Acrididae: Oedipodinae) are recorded for the first time for the Egyptian fauna. The species was collected from Gabal Elba, in the southeastern corner of Egypt. This record expands the known distributional range of Pycnodictya galinieri towards the north of Africa. Descriptions of the genus and the Egyptian subspecies are given using multiple diagnostic characters. The descriptions are supplemented by drawings and photographs of the specimen collected...
2016: ZooKeys
https://www.readbyqxmd.com/read/27915187/dose-response-models-and-a-quantitative-microbial-risk-assessment-framework-for-the-mycobacterium-avium-complex-that-account-for-recent-developments-in-molecular-biology-taxonomy-and-epidemiology
#8
REVIEW
Kerry A Hamilton, Mark H Weir, Charles N Haas
Mycobacterium avium complex (MAC) is a group of environmentally-transmitted pathogens of great public health importance. This group is known to be harbored, amplified, and selected for more human-virulent characteristics by amoeba species in aquatic biofilms. However, a quantitative microbial risk assessment (QMRA) has not been performed due to the lack of dose response models resulting from significant heterogeneity within even a single species or subspecies of MAC, as well as the range of human susceptibilities to mycobacterial disease...
November 24, 2016: Water Research
https://www.readbyqxmd.com/read/27915173/effect-of-prolonged-water-stress-on-essential-oil-content-compositions-and-gene-expression-patterns-of-mono-and-sesquiterpene-synthesis-in-two-oregano-origanum-vulgare-l-subspecies
#9
Mohammad Reza Morshedloo, Lyle E Craker, Alireza Salami, Vahideh Nazeri, Hyunkyu Sang, Filippo Maggi
Origanum vulgare L., recognized throughout the world as a popular medicinal and flavoring herb, contains a wide array of medicinally active components, including phenolic glucosides, flavonoids, tannins, sterols and high amounts of terpenoids. Especially the latter are often extracted by hydrodistillation resulting in the so-called essential oil that is rich in monoterpenes (e.g. carvacrol, thymol, linalyl acetate) and/or sesquiterpenes (e.g. (E)-β-caryophyllene, germacrene D, bicyclogermacrene, β-caryophyllene oxide)...
November 28, 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/27905886/multi-locus-phylogeny-using-topotype-specimens-sheds-light-on-the-systematics-of-niviventer-rodentia-muridae-in-china
#10
Bin Zhang, Kai He, Tao Wan, Peng Chen, Guozheng Sun, Shaoying Liu, Truong Son Nguyen, Liangkong Lin, Xuelong Jiang
BACKGROUND: Niviventer is a genus of white-bellied rats that are among the most common rodents in the Indo-Sundaic region. The taxonomy of the genus has undergone extensive revisions and remains controversial. The current phylogeny is unresolved and was developed primarily on the basis of mitochondrial genes. Identification is extremely difficult, and a large number of GenBank sequences seem to be problematic. We extensively sampled specimens of Niviventer in China and neighboring northern Vietnam, including topotypes of the most reported species (n = 6), subspecies (n = 8), and synonyms (n = 4)...
December 1, 2016: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/27904636/effect-of-cognitive-behavioral-stress-management-program-on-psychosomatic-patients-quality-of-life
#11
Zahra Ghazavi, Esmat Rahimi, Mohsen Yazdani, Hamid Afshar
BACKGROUND: Level of stress and its management affects the dimensions of psychosomatic patients' quality of life (QoL), which is an important psychological issue. The present study aimed to investigate the effect of cognitive behavioral stress management program on psychosomatic patients' QoL. In cognitive behavioral method, patients discover thought and behavioral mistakes and recover them. The criterion to evaluate the success of the present study was measurement of the patients' QoL and its notable improvement after intervention...
September 2016: Iranian Journal of Nursing and Midwifery Research
https://www.readbyqxmd.com/read/27902804/hierarchical-map-of-orthologous-genomic-regions-reconstructed-from-two-closely-related-genomes-cucumber-case-study
#12
Huifen Cao, Erli Pang, Kui Lin
Accurate identification of orthologous genomic regions (OGRs) between two closely related genomes is crucial for the reliable detection of genomic changes, which range from small-scale changes (e.g., single nucleotide or small nucleotides) to large-scale structural changes. Although diverse OGRs inferred at different levels have been successfully applied to address various biological questions, a limited number of studies have simultaneously integrated OGRs from different levels. Here, we report on a new approach to construct a hierarchical map of OGRs...
November 2016: Plant Genome
https://www.readbyqxmd.com/read/27902764/movement-patterns-home-range-size-and-habitat-selection-of-an-endangered-resource-tracking-species-the-black-throated-finch-poephila-cincta-cincta
#13
Juliana Rechetelo, Anthony Grice, April Elizabeth Reside, Britta Denise Hardesty, James Moloney
Understanding movement patterns and home range of species is paramount in ecology; it is particularly important for threatened taxa as it can provide valuable information for conservation management. To address this knowledge gap for a range-restricted endangered bird, we estimated home range size, daily movement patterns and habitat use of a granivorous subspecies in northeast Australia, the black-throated finch (Poephila cincta cincta; BTF) using radio-tracking and re-sighting of colour banded birds. Little is known about basic aspects of its ecology including movement patterns and home range sizes...
2016: PloS One
https://www.readbyqxmd.com/read/27902416/the-xylella-fastidiosa-codiro-strain-associated-with-the-olive-quick-decline-syndrome-in-southern-italy-belongs-to-a-clonal-complex-of-the-subspecies-pauca-that-evolved-in-central-america
#14
Marco Scortichini, Simone Marcelletti
Xylella fastidiosa, a xylem-limited bacterium transmitted by xylem-fluid feeding Hemiptera insects, causes economic losses of both woody and herbaceous plant species. A X. fastidiosa subsp. pauca strain, namely CoDiRO, was recently found to be associated with the "olive quick decline syndrome" in southern Italy (i.e., Apulia region). Recently, some X. fastidiosa strains intercepted in France from Coffea spp. plant cuttings imported from Central and South America were characterized. The introduction of infected plant material from Central America in Apulia was also postulated even though an ad hoc study to confirm this hypothesis is lacking...
November 2, 2016: Microbiology
https://www.readbyqxmd.com/read/27902301/isolation-of-vibrio-tapetis-from-two-native-fish-species-genypterus-chilensis-and-paralichthys-adspersus-reared-in-chile-and-description-of-vibrio-tapetis-subsp-quintayensis-subsp-nov
#15
Arturo Levican, Aide Lasa, Rute Irgang, Jesús L Romalde, Matías Poblete-Morales, Ruben Avendaño-Herrera
Seven isolates recovered from diseased fine flounders (Paralichthys adspersus) and red conger eel (Genypterus chilensis) experimentally reared in Quintay (Chile) were confirmed as V. tapetis on the basis of the MALDI-TOF MS, 16S rRNA gene, DNA-DNA hybridization values and G+C content. The ERIC-PCR and REP-PCR patterns were homogeneous among those isolates recovered from a same host, but distinct to the type strains V. tapetis subsp. tapetis CECT 4600T and V. tapetis subsp. britannicus CECT 8161T. On the basis of atpA, rpoA, rpoD, recA and pyrH gene similarities (99...
November 30, 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27901387/quantification-and-characterization-of-pleural-fluid-in-healthy-dogs-with-thoracostomy-tubes
#16
Germaine C Hung, M Casey Gaunt, Joseph E Rubin, Gregory S Starrak, Sherisse A Sakals
OBJECTIVE To quantify and characterize pleural fluid collected from healthy dogs after placement of a thoracostomy tube (TT). ANIMALS 8 healthy Coonhound-cross dogs (mean ± SD weight, 27.2 ± 1.6 kg). PROCEDURES Thoracic CT of each dog was performed before placement of a TT and daily thereafter for 7 days. Thoracic fluid volume was calculated from CT images. Effusion was aspirated when detected; volume was recorded, and cytologic analysis and bacterial culture were performed. RESULTS Mean ± SD volume of pleural effusion detected by CT was 1...
December 2016: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/27899485/circulating-microrna-122-is-associated-with-the-risk-of-new-onset-metabolic-syndrome-and-type-2-diabetes
#17
Peter Willeit, Philipp Skroblin, Alexander R Moschen, Xiaoke Yin, Dorothee Kaudewitz, Anna Zampetaki, Temo Barwari, Meredith Whitehead, Cristina M Ramírez, Leigh Goedeke, Noemi Rotllan, Enzo Bonora, Alun D Hughes, Peter Santer, Carlos Fernández-Hernando, Herbert Tilg, Johann Willeit, Stefan Kiechl, Manuel Mayr
MicroRNA-122 (miR-122) is abundant in the liver and involved in lipid homeostasis, but its relevance to the long-term risk of developing metabolic disorders is unknown. We therefore measured circulating miR-122 in the prospective population-based Bruneck Study (n=810; survey year: 1995). Circulating miR-122 was associated with prevalent insulin resistance, obesity, metabolic syndrome, type-2 diabetes, and an adverse lipid profile. Among 92 plasma proteins and 135 lipid subspecies quantified with mass spectrometry, it correlated inversely with zinc-alpha-2-glycoprotein and positively with afamin, complement-factor H, VLDL-associated apolipoproteins, and lipid subspecies containing monounsaturated and saturated fatty acids...
November 29, 2016: Diabetes
https://www.readbyqxmd.com/read/27898704/genetic-structure-and-potential-environmental-determinants-of-local-genetic-diversity-in-japanese-honeybees-apis-cerana-japonica
#18
Teruyoshi Nagamitsu, Mika Yasuda, Fuki Saito-Morooka, Maki N Inoue, Mio Nishiyama, Koichi Goka, Shinji Sugiura, Kaoru Maeto, Kimiko Okabe, Hisatomo Taki
Declines in honeybee populations have been a recent concern. Although causes of the declines remain unclear, environmental factors may be responsible. We focused on the potential environmental determinants of local populations of wild honeybees, Apis cerana japonica, in Japan. This subspecies has little genetic variation in terms of its mitochondrial DNA sequences, and genetic variations at nuclear loci are as yet unknown. We estimated the genetic structure and environmental determinants of local genetic diversity in nuclear microsatellite genotypes of fathers and mothers, inferred from workers collected at 139 sites...
2016: PloS One
https://www.readbyqxmd.com/read/27892873/evidence-of-disseminated-infection-by-mycobacterium-avium-subspecies-hominissuis-in-a-pet-ferret-mustela-putorius-furo
#19
Javier Bezos, Beatriz Álvarez-Carrión, Antonio Rodríguez-Bertos, Álvaro Fernández-Manzano, Lucía de Juan, Cristina Huguet, Víctor Briones, Beatriz Romero
The infection caused by the zoonotic opportunistic pathogen Mycobacterium avium subsp. hominissuis (Mah) was reported for the first time in a pet ferret. Both owners were HIV-positive. Euthanasia of the pet was recommended due to medical reasons and as a preventive action. Disseminated and open tuberculosis lesions were observed in the gastrointestinal and respiratory systems of the ferret. Ecographic and radiographic surveys showed a severe generalized lymphadenopathy, strong thickening of the gastric wall and peritoneum layer...
September 17, 2016: Research in Veterinary Science
https://www.readbyqxmd.com/read/27891694/genetic-variation-in-blue-whales-in-the-eastern-pacific-implication-for-taxonomy-and-use-of-common-wintering-grounds
#20
R G LeDuc, E I Archer, A R Lang, K K Martien, B Hancock-Hanser, J PTorres-Florez, R Hucke-Gaete, H R Rosenbaum, K van Waerebeek, R L Brownell, B L Taylor
Many aspects of blue whale biology are poorly understood. Some of the gaps in our knowledge, such as those regarding their basic taxonomy and seasonal movements, directly affect our ability to monitor and manage blue whale populations. As a step towards filling in some of these gaps, microsatellite and mtDNA sequence analyses were conducted on blue whale samples from the Southern Hemisphere, the eastern tropical Pacific (ETP), and the northeast Pacific. The results indicate that the ETP is differentially used by blue whales from the northern and southern eastern Pacific, with the former showing stronger affinity to the region off Central America known as the Costa Rican Dome, and the latter favoring the waters of Peru and Ecuador...
November 27, 2016: Molecular Ecology
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