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https://www.readbyqxmd.com/read/29153717/biomass-derived-porous-carbon-modified-glass-fiber-separator-as-polysulfide-reservoir-for-li-s-batteries
#1
Ramakrishnan Kalai Selvan, Pei Zhu, Chaoi Yan, Jiadeng Zhu, Mahmut Dirican, A Shanmugavani, Yun Sung Lee, Xiangwu Zhang
Biomass-derived porous carbon has been considered as a promising sulfur host material for lithium-sulfur batteries because of its high conductive nature and large porosity. The present study explored biomass-derived porous carbon as polysulfide reservoir to modify the surface of glass fiber (GF) separator. Two different carbons were prepared from Oak Tree fruit shells by carbonization with and without KOH activation. The KOH activated porous carbon (AC) provides a much higher surface area (796 m(2) g(-1)) than pyrolized carbon (PC) (334 m(2) g(-1))...
November 7, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29152169/land-use-types-influenced-avian-assemblage-structure-in-a-forest-agriculture-landscape-in-ghana
#2
Justus Precious Deikumah, Richard Kwafo, Vida Asieduwaa Konadu
The conservation of biodiversity within tropical forest regions does not lie only in the maintenance of natural forest areas, but on conservation strategies directed toward agricultural land types within which they are embedded. This study investigated variations in bird assemblages of different functional groups of forest-dependent birds in three agricultural land types, relative to distance from the interior of 34 tropical forest patches of varying sizes. Point counts were used to sample birds at each study site visited...
November 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/29152168/pollination-by-the-locally-endangered-island-flying-fox-pteropus-hypomelanus-enhances-fruit-production-of-the-economically-important-durian-durio-zibethinus
#3
Sheema A Aziz, Gopalasamy R Clements, Kim R McConkey, Tuanjit Sritongchuay, Saifful Pathil, Muhammad Nur Hafizi Abu Yazid, Ahimsa Campos-Arceiz, Pierre-Michel Forget, Sara Bumrungsri
Fruit bats provide valuable pollination services to humans through a unique coevolutionary relationship with chiropterophilous plants. However, chiropterophily in the Old World and the pollination roles of large bats, such as flying foxes (Pteropus spp., Acerodon spp., Desmalopex spp.), are still poorly understood and require further elucidation. Efforts to protect these bats have been hampered by a lack of basic quantitative information on their role as ecosystem service providers. Here, we investigate the role of the locally endangered island flying fox Pteropus hypomelanus in the pollination ecology of durian (Durio zibethinus), an economically important crop in Southeast Asia...
November 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/29151876/-comment-on-saumitou-et%C3%A2-al-2017-elucidation-of-the-genetic-architecture-of-self-incompatibility-in-olive-evolutionary-consequences-and-perspectives-for-orchard-management
#4
Catherine Breton, Georgios Koubouris, Pierre Villemur, André Jean Bervillé
The new self-incompatibility system (SI) was presented by Saumitou-Laprade, Vernet, Vekemans et al. (2017). Evolutionary Applications based on 89 crosses between varieties in the olive tree. Four main points are not clear. We are examining here as follows: (i) the assertion that the self-incompatibility system is sporophytic was not sustained by pollen germination data; (ii) surprisingly, the new model does not explain that about one-third of pairwise combinations of olive varieties leads to asymmetric fruit setting; (iii) DNA preparation from one seed may contain two embryos, and thus, embryos should be separated before seed extraction; (iv) although effective self-fertility in olive varieties was reported by many studies, the DSI model fails to explain self-fertility in some olive varieties...
October 2017: Evolutionary Applications
https://www.readbyqxmd.com/read/29149822/olive-leaf-extracts-act-as-modulators-of-the-human-immune-response
#5
Thea Magrone, Anna Spagnoletta, Rosaria Salvatore, Manrico Magrone, Francesco Dentamaro, Matteo Antonio Russo, Graziana Difonzo, Carmine Summo, Francesco Caponio, Emilio Jirillo
BACKGROUND: Olive tree leaves have been used in the Mediterranean area as traditional medicine in virtue of their healthy effects. Olive leaf extracts (OLEs) contain higher amounts of polyphenols than those detected in the extra virgin olive oil and fruit. Several lines of evidence support the cardioprotective, anti-oxidant and anti-inflammatory activities exerted by OLEs. METHODS: Peripheral blood mononuclear cells (PBMCs) from twenty-five healthy donors were cultured in the presence of 3 μg of two OLE extracts, extract A (resuspended in water) and extract B (resuspended in 70% ethanol)...
November 15, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/29147020/integrative-taxonomy-methods-reveal-high-mealybug-hemiptera-pseudococcidae-diversity-in-southern-brazilian-fruit-crops
#6
Vitor C Pacheco da Silva, Mehmet Bora Kaydan, Thibaut Malausa, Jean-François Germain, Ferran Palero, Marcos Botton
The Serra Gaúcha region is the most important temperate fruit-producing area in southern Brazil. Despite mealybugs (Hemiptera: Pseudococcidae) infesting several host plants in the region, there is a lack of information about the composition of species damaging different crops. A survey of mealybug species associated with commercial fruit crops (apple, persimmon, strawberry and grapes) was performed in Serra Gaúcha between 2013 and 2015, using both morphology and DNA analyses for species identification. The most abundant species were Pseudococcus viburni (Signoret), found on all four host plant species, and Dysmicoccus brevipes (Cockerell), infesting persimmon, vines and weeds...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29146248/phosphatidylcholine-absence-affects-the-secretion-of-lipodepsipeptide-phytoxins-in-pseudomonas-syringae-pv-syringae-van-hall-cfcc-1336
#7
Fang Cao, Min Xiong, Shunyi Li, Huawan Cai, Yufang Sun, Sheng Yang, Xin Liu, Rong Zhu, Xuejing Yu, Xingguo Wang
Pseudomonas syringae pv. syringae van Hall CFCC 1336 (Pss 1336) is the causal agent of bacterial disease of stone fruit trees, and also able to elicit hypersensitive response (HR) in non-host tobacco. It is known that this pathogen uses PCS-pathway to synthesize phosphatidylcholine (PC), and mutation of the pcs gene abolishes bacterial PC synthesis. Previous study also found that the 1336 pcs(-) mutant lacking PC in its membrane phospholipids was unable to secrete HrpZ harpin and elicit HR in non-host plants...
January 2018: Microbiological Research
https://www.readbyqxmd.com/read/29141952/characterization-and-analysis-of-ccr-and-cad-gene-families-at-the-whole-genome-level-for-lignin-synthesis-of-stone-cells-in-pear-pyrus-bretschneideri-fruit
#8
Xi Cheng, Manli Li, Dahui Li, Jinyun Zhang, Qing Jin, Lingling Sheng, Yongping Cai, Yi Lin
The content of stone cells has significant effects on the flavour and quality of pear fruit. Previous research suggested that lignin deposition is closely related to stone cell formation. In the lignin biosynthetic pathway, cinnamoyl-CoA reductase (CCR) and cinnamyl alcohol dehydrogenase (CAD), dehydrogenase/reductase family members, catalyse the last two steps in monolignol synthesis. However, there is little knowledge of the characteristics of the CCR and CAD families in pear and their involvement in lignin synthesis of stone cells...
November 15, 2017: Biology Open
https://www.readbyqxmd.com/read/29140754/comparing-diversity-of-fungi-from-living-leaves-using-culturing-and-high-throughput-environmental-sequencing
#9
Peter R Johnston, Duckchul Park, Rob D Smissen
High-throughput sequencing technologies using amplicon approaches have changed the way that studies investigating fungal distribution are undertaken. These powerful and time-efficient technologies have the potential for the first time to accurately map fungal distributions across landscapes or changes in diversity across ecological or biological gradients of interest. There is no requirement for a fungus to form a fruiting body to be detected, and both culturable and nonculturable organisms can be detected...
October 6, 2017: Mycologia
https://www.readbyqxmd.com/read/29137616/foraging-dispersion-of-ryukyu-flying-foxes-and-relationships-with-fig-abundance-in-east-asian-subtropical-island-forests
#10
Ya-Fu Lee, Yen-Min Kuo, Hsin-Yi Chang, Chi-Feng Tsai, Shigeyuki Baba
BACKGROUND: Figs are widely distributed key resources to many tropical-subtropical animals, and flying-foxes are major consumers and seed dispersers of figs. Bat-fig interrelationships, however, may vary among species differing in fruiting traits, i.e., bat- versus bird-dispersed figs. We examined Ryukyu flying-fox foraging dispersion and the relationships with tree species composition and fig abundance in forests of Iriomote Island. RESULTS: Bat foraging dispersion showed no spatial patterns with respect to different areas of the island, and was not explained by heterogeneity, density, or basal area (BA) of total trees, nor by relative density or BA of fruiting trees or total fruiting figs among sites...
November 14, 2017: BMC Ecology
https://www.readbyqxmd.com/read/29126189/comparative-genome-analysis-reveals-adaptation-to-the-ectophytic-lifestyle-of-sooty-blotch-and-flyspeck-fungi
#11
Chao Xu, Rong Zhang, Guangyu Sun, Mark L Gleason
Sooty blotch and flyspeck (SBFS) fungi are a distinctive group of plant pathogens which, although phylogenetically diverse, occupy an exclusively surface-dwelling niche. They cause economic losses by superficially blemishing the fruit of several tree crops, principally apple, in moist temperate regions worldwide. In this study, we performed genome-wide comparative analyses separately within three pairs of species of ascomycete pathogens; each pair contained an SBFS species as well as a closely related but plant-penetrating parasite (PPP) species...
November 6, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/29126184/bark-and-ambrosia-beetle-curculionidae-scolytinae-diversity-found-in-agricultural-and-fragmented-forests-in-piracicaba-sp-brazil
#12
Carla Sandoval Rodríguez, Anthony I Cognato, Ciro Abbud Righi
Land use changes and forest fragmentation result in biodiversity loss and displacement, with insects among the most affected groups. Among these, bark beetles (Curculionidae: Scolytinae) occupy a prominent position due to their close ties to food resources, i.e., trees, and importance as primary decomposers in forest ecosystems. Therefore, our study aimed to document scolytine biodiversity associated with landscape components that vary based on their physical or botanical composition. Bark beetle diversity was sampled monthly for 12 mo in an Atlantic forest remnant and five adjacent vegetation plots (mixed Agroforestry System-AFS, of native trees and fruit species; AFS of rubber trees and coffee plants; coffee monoculture; rubber monoculture; and pasture)...
November 8, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/29125970/chemical-characterization-of-cytotoxic-indole-acetic-acid-derivative-from-mulberry-fruit-morus-alba-l-against-human-cervical-cancer
#13
Jae Sik Yu, Dahae Lee, Seoung Rak Lee, Jae Wook Lee, Chang-Ik Choi, Tae Su Jang, Ki Sung Kang, Ki Hyun Kim
The fruit of the white mulberry tree (Morus alba L.) is a multiple fruit with a sweet flavor commonly consumed around the world. Chemical investigation of the fruits led to the isolation of two indole acetic acid derivatives (1 -2) including a new compound, which turned out to be an isolation artifact, 3S-(β-D-glucopyranosyloxy)-2,3-dihydro-2-oxo-1H-indole-3-acetic acid butyl ester (1), along with five known compounds (3 -7). Compounds 2 and 7 were newly identified from mulberry fruit. The new isolation artifact (1) exhibited cytotoxic effect on human cervical cancer Hela cells in a dose-dependent manner...
November 7, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29122180/associations-between-heat-exposure-vigilance-and-balance-performance-in-summer-tree-fruit-harvesters
#14
June T Spector, Jennifer Krenz, Miriam Calkins, Dawn Ryan, Jose Carmona, Mengjie Pan, Anna Zemke, Paul D Sampson
BACKGROUND: We sought to evaluate potential mediators of the relationship between heat exposure and traumatic injuries in outdoor agricultural workers. METHODS: Linear mixed models were used to estimate associations between maximum work-shift Wet Bulb Globe Temperature (WBGTmax) and post-shift vigilance (reaction time) and postural sway (total path length) in a cross-sectional sample of 46 Washington State tree fruit harvesters in August-September 2015. RESULTS: The mean (SD) WBGTmax was 27...
February 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29118674/high-frequency-of-ige-sensitization-towards-kiwi-seed-storage-proteins-among-peanut-allergic-individuals-also-reporting-allergy-to-kiwi
#15
Jenny van Odijk, Sigrid Sjölander, Peter Brostedt, Magnus P Borres, Hillevi Englund
Background: IgE sensitization to storage proteins from nuts and seed is often related to severe allergic symptoms. There is a risk of immunological IgE cross-reactivity between storage proteins from different species. The potential clinical implication of such cross-reactivity is that allergens other than the known sensitizer can cause allergic symptoms. Previous studies have suggested that kiwi seed storage proteins may constitute hidden food allergens causing cross-reactive IgE-binding with peanut and other tree nut homologs, thereby mediating a potential risk of causing allergy symptoms among peanut ant tree nut allergic individuals...
2017: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/29113064/inhibition-of-cyclic-adenosine-monophosphate-specific-phosphodiesterase-by-various-food-plant-derived-phytotherapeutic-agents
#16
Teresa Röhrig, Olga Pacjuk, Silvia Hernández-Huguet, Johanna Körner, Katharina Scherer, Elke Richling
Background: Phosphodiesterases (PDEs) play a major role in the regulation of cyclic adenosine monophosphate (cAMP)- and cyclic guanosine monophosphate (cGMP)-mediated pathways. Their inhibitors exhibit anti-inflammatory, vasodilatory and antithrombotic effects. Therefore, consumption of foods with PDE-inhibiting potential may possess beneficial influence on the risk of cardiovascular diseases. Methods: Four plant extracts (Arbutus unedo, Camellia sinensis, Cynara scolymus, Zingiber officinale) with promising ingredient profiles and physiological effects were tested for their ability to inhibit cAMP-specific PDE in vitro in a radioactive assay...
November 4, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/29111566/complete-sequence-and-comparative-analysis-of-the-chloroplast-genome-of-plinia-trunciflora
#17
Maria Eguiluz, Priscila Mary Yuyama, Frank Guzman, Nureyev Ferreira Rodrigues, Rogerio Margis
Plinia trunciflora is a Brazilian native fruit tree from the Myrtaceae family, also known as jaboticaba. This species has great potential by its fruit production. Due to the high content of essential oils in their leaves and of anthocyanins in the fruits, there is also an increasing interest by the pharmaceutical industry. Nevertheless, there are few studies focusing on its molecular biology and genetic characterization. We herein report the complete chloroplast (cp) genome of P. trunciflora using high-throughput sequencing and compare it to other previously sequenced Myrtaceae genomes...
November 6, 2017: Genetics and Molecular Biology
https://www.readbyqxmd.com/read/29109709/vanillin-promotes-the-germination-of-antrodia-camphorata-arthroconidia-through-pka-and-mapk-signaling-pathways
#18
Zhen-Ming Lu, Qing Zhu, Hua-Xiang Li, Yan Geng, Jin-Song Shi, Zheng-Hong Xu
Wild fruiting bodies of medicinal mushroom Antrodia camphorata are only found on the endemic species bull camphor tree, Cinnamomum kanehirae, in Taiwan. Despite the evident importance of the host components in promoting the growth of A. camphorata, insights into the underlying mechanisms are still lacking. Here, we first evaluated effects of the compounds from C. kanehirai, C. camphora, and A. camphorata, and their structural analogs on the germination rate of A. camphorata arthroconidia. Among the 54 tested compounds, vanillin (4-hydroxy-3-methoxybenzaldehyde) was determined as the optimum germination promoter, while o-vanillin and 1-octen-3-ol as major negative regulators of arthroconidia germination...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29105771/preharvest-treatments-with-salicylates-enhance-nutrient-and-antioxidant-compounds-in-plum-at-harvest-and-after-storage
#19
Alejandra Martínez-Esplá, Pedro J Zapata, Daniel Valero, Domingo Martínez-Romero, Huertas M Díaz-Mula, María Serrano
BACKGROUND: Previous reports have addressed the effectiveness of salicylic acid (SA), acetylsalicylic acid (ASA) and methylsalicylate (MeSA) postharvest treatments on maintaining quality properties along storage in several commodities. However, there is no literature regarding the effect of preharvest treatments with salicylates on plum quality attributes (at harvest or after long term cold storage), which was evaluated on this research. RESULTS: At harvest, weight, firmness, individual organic acids, sugars, phenolics, anthocyanins and total carotenoids were found at higher levels in plums from SA, ASA and MeSA treated trees than in those from controls...
November 6, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29098206/medicinal-uses-and-natural-availability-of-three-plant-species-in-selected-ecosystems-in-cameroon
#20
Tsabang Nolé, Atsamo Albert, Tsambang Joel Elysée Tsafack, N Donfagsiteli, G Yedjou Clement, Tchinda Thiabo Alembert, A Agbor Gabriel, Tchounwou Paul Bernard
In many developing countries traditional medicine constitutes a major part of health care because of its local availability and affordability compared to modern medicine. However, little is known about the specific uses and availability of medicinal plants. In this research an exploratory study was conducted to determine the uses of three medicinal plants in Cameroon, and to examine their relative distribution and abundance in specific habitats. From a questionnaire administered to traditional healers, we and found that three species of medicinal plants including: Alstonia boonei, Picralima nitida and Sarcocephalus latifolius that are commonly used, either singly or in mixtures to treat human diseases such as muscle and joints pains, hyperthermia, hypertension, hepatitis, jaundice and rheumatism...
2017: J Anal Pharm Res
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