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https://www.readbyqxmd.com/read/28101969/low-trabecular-bone-density-in-recent-sedentary-modern-humans
#1
Habiba Chirchir, Christopher B Ruff, Juho-Antti Junno, Richard Potts
OBJECTIVES: Research on a limited number of samples suggests that trabecular bone density (i.e., bone volume fraction, BVF) within specific articulations is lower among more sedentary Holocene agricultural populations compared with Holocene foragers, implying that activity levels have a significant effect on trabecular BVF. However, it is unclear to what extent BVF differs among groups with varying activity levels and how general this phenomenon is across multiple limb articulations. Here, we test two hypotheses that: (i) sedentary populations have lower BVF compared with active populations across limb articulations; and (ii) these declines are more uniform in the lower limb (because of its more direct relationship to mobility), and more variable in the upper limb...
January 19, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28100117/evaluating-the-usability-of-a-commercial-cooling-vest-in-the-hong-kong-industries
#2
Albert P Chan, Yang Yang, Wen-Fang Song
Purpose -The provision of appropriate personal cooling vests is recognized as an effective measure to combat heat stress. However, personal cooling vests are not widely implemented in the Hong Kong industries. The current study aims to evaluate the usability of a hybrid cooling vest that is associated with the success of its application in industrial settings. Materials and methods - A self-administrated questionnaire focusing on 10 subjective attributes of cooling effect, ergonomic design, and usability of a hybrid cooling vest was administered with 232 occupational workers in the construction, horticultural and cleaning, airport apron services and kitchen and catering industries...
January 19, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/28087616/pathways-to-false-positive-diagnoses-using-molecular-genetic-detection-methods-phytophthora-cinnamomi-a-case-study
#3
Manisha Kunadiya, Diane White, William A Dunstan, Giles E St, J Hardy, Vera Andjic, Treena I Burgess
Phytophthora cinnamomi is one of the world's most invasive plant pathogens affecting ornamental plants, horticultural crops and natural ecosystems. Accurate diagnosis is very important to determine the presence or absence of this pathogen in diseased and asymptomatic plants. In previous studies, P. cinnamomi species-specific primers were designed and tested using various polymerase chain reaction (PCR) techniques including conventional PCR, nested PCR, and quantitative real time PCR (qPCR). In all cases, the primers were stated to be highly specific and sensitive to P...
January 12, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28087440/an-overlooked-horticultural-crop-smyrnium-olusatrum-as-a-potential-source-of-compounds-effective-against-african-trypanosomiasis
#4
Riccardo Petrelli, Farahnaz Ranjbarian, Stefano Dall'Acqua, Fabrizio Papa, Romilde Iannarelli, Stephane L Ngahang Kamte, Sauro Vittori, Giovanni Benelli, Filippo Maggi, Anders Hofer, Loredana Cappellacci
Among natural products, sesquiterpenes have shown promising inhibitory effects against bloodstream forms of Trypanosoma brucei, the protozoan parasite causing human African trypanosomiasis (HAT). Smyrnium olusatrum (Apiaceae), also known as Alexanders or wild celery, is a neglected horticultural crop characterized by oxygenated sesquiterpenes containing a furan ring. In the present work we explored the potential of its essential oils obtained from different organs and the main oxygenated sesquiterpenes, namely isofuranodiene, germacrone and β-acetoxyfuranoeudesm-4(15)-ene, as inhibitors of Trypanosoma brucei...
January 10, 2017: Parasitology International
https://www.readbyqxmd.com/read/28080985/emerging-oomycete-threats-to-plants-and-animals
#5
REVIEW
Lida Derevnina, Benjamin Petre, Ronny Kellner, Yasin F Dagdas, Mohammad Nasif Sarowar, Artemis Giannakopoulou, Juan Carlos De la Concepcion, Angela Chaparro-Garcia, Helen G Pennington, Pieter van West, Sophien Kamoun
Oomycetes, or water moulds, are fungal-like organisms phylogenetically related to algae. They cause devastating diseases in both plants and animals. Here, we describe seven oomycete species that are emerging or re-emerging threats to agriculture, horticulture, aquaculture and natural ecosystems. They include the plant pathogens Phytophthora infestans, Phytophthora palmivora, Phytophthora ramorum, Plasmopara obducens, and the animal pathogens Aphanomyces invadans, Saprolegnia parasitica and Halioticida noduliformans For each species, we describe its pathology, importance and impact, discuss why it is an emerging threat and briefly review current research activities...
December 5, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28074500/level-of-environmental-threat-posed-by-horticultural-trade-in-cactaceae
#6
Ana Novoa, Johannes J Le Roux, David M Richardson, John R U Wilson
Ornamental horticulture has been identified as an important threat to plant biodiversity and the major pathway for plant invasions worldwide. In this context, the family Cactaceae is particularly interesting and challenging for three main reasons-it is considered the fifth most threatened major taxonomic group in the world; several cactus species are amongst the most widespread and damaging invasive species; and Cactaceae is one of the most popular horticultural plant groups. Based on CITES trade data and the eleven main auction sites selling cacti on the internet we document a substantial global trade from and to almost all continents...
January 11, 2017: Conservation Biology: the Journal of the Society for Conservation Biology
https://www.readbyqxmd.com/read/28068911/genotyping-by-sequencing-of-a-melon-cucumis-melo-l-germplasm-collection-from-a-secondary-center-of-diversity-highlights-patterns-of-genetic-variation-and-genomic-features-of-different-gene-pools
#7
Stefano Pavan, Angelo Raffaele Marcotrigiano, Elena Ciani, Rosa Mazzeo, Vito Zonno, Valentino Ruggieri, Concetta Lotti, Luigi Ricciardi
BACKGROUND: Melon (Cucumis melo L.) is one of the most important horticultural species, which includes several taxonomic groups. With the advent of next-generation sequencing, single nucleotide polymorphism (SNP) markers are widely used in the study of genetic diversity and genomics. RESULTS: We report the first successful application of genotyping-by-sequencing (GBS) technology in melon. We detected 25,422 SNPs by the analysis of 72 accessions collected in Apulia, a secondary centre of diversity in Southern Italy...
January 9, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28066972/efficacy-of-a-long-lasting-bifenthrin-treated-net-against-horticultural-pests-and-its-compatibility-with-the-predatory-mite-amblyseius-swirskii-and-the-parasitic-wasp-eretmocerus-mundus
#8
Mª Del Mar Fernández, Ignacio Colomer, Pilar Medina, Alberto Fereres, Pedro Del Estal, Elisa Viñuela
BACKGROUND: The insecticide-treated nets (ITNs) are being investigated lately for their use in agriculture. Depending on the insecticide, the hole size and the way they are produced, these nets can target different pests and therefore they could be interesting options to be used in Integrated Pest Management (IPM). As the information on their compatibility with beneficial fauna is practically negligible, in this work we have tested the compatibility of an experimental bifenthrin long lasting insecticide-treated net (LLITN) with Amblyseius swirskii and Eretmocerus mundus, important natural enemies of whiteflies and thrips, under laboratory, semi-field and commercial greenhouses...
January 9, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28061398/energy-performance-of-an-integrated-bio-and-thermal-hybrid-system-for-lignocellulosic-biomass-waste-treatment
#9
Xiang Kan, Zhiyi Yao, Jingxin Zhang, Yen Wah Tong, Wenming Yang, Yanjun Dai, Chi-Hwa Wang
Lignocellulosic biomass waste, a heterogeneous complex of biodegradables and non-biodegradables, accounts for large proportion of municipal solid waste. Due to limitation of single-stage treatment, a two-stage hybrid AD-gasification system was proposed in this work, in which AD acted as pre-treatment to convert biodegradables into biogas followed by gasification converting solid residue into syngas. Energy performance of single and two-stage systems treating 3 typical lignocellulosic wastes was studied using both experimental and numerical methods...
December 28, 2016: Bioresource Technology
https://www.readbyqxmd.com/read/28049428/pergola-fast-and-deterministic-linkage-mapping-of-polyploids
#10
Fabian Grandke, Soumya Ranganathan, Nikkie van Bers, Jorn R de Haan, Dirk Metzler
BACKGROUND: A large share of agriculturally and horticulturally important plant species are polyploid. Linkage maps are used to locate associations between genes and traits by breeders and geneticists. Linkage map creation for polyploid species is not supported by standard tools. We want to overcome this limitation and validate our results with simulation studies. RESULTS: We developed PERGOLA, a deterministic and heuristic method that addresses this problem. We show that it creates correct linkage groups, marker orders and distances for simulated and real datasets...
January 4, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28040679/morphological-observation-rna-seq-quantification-and-expression-profiling-novel-insight-into-grafting-responsive-carotenoid-biosynthesis-in-watermelon-grafted-onto-pumpkin-rootstock
#11
Guang Liu, Xingping Yang, Jinhua Xu, Man Zhang, Qian Hou, Lingli Zhu, Ying Huang, Aisheng Xiong
Watermelon is an important and economical horticultural crop in China, where ~20% of the plants are grafted. The development of grafted watermelon fruit involves a diverse range of gene interactions that results in dynamic changes in fruit. However, the molecular mechanisms underlying grafting-induced fruit quality change are unclear. In the present study, we measured the lycopene content by high-performance liquid chromatography and used RNA-Seq (quantification) to perform a genome-wide transcript analysis of fruits from watermelon grafted onto pumpkin rootstock (pumpkin-grafted watermelon, PGW), self-grafted watermelon (SGW), and non-grafted watermelon (NGW)...
December 30, 2016: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28040156/potential-of-a-new-strain-of-bacillus-amyloliquefaciens-buz-14-as-a-biocontrol-agent-of-postharvest-fruit-diseases
#12
H Calvo, P Marco, D Blanco, R Oria, M E Venturini
The biocontrol potential of the Bacillus amyloliquefaciens strain BUZ-14 was tested against the main postharvest diseases of orange, apple, grape and stone fruit. After characterizing the temperature and pH growth curves of strain BUZ-14, its in vitro antifungal activity was determined against Botrytis cinerea, Monilinia fructicola, M. laxa, Penicillium digitatum, P. expansum and P. italicum. Subsequently, in vivo activity was tested against these pathogens by treating fruit with cells, endospores and cell-free supernatants...
May 2017: Food Microbiology
https://www.readbyqxmd.com/read/28039426/yeast-an-overlooked-component-of-bactrocera-tryoni-diptera-tephritidae-larval-gut-microbiota
#13
Ania T Deutscher, Olivia L Reynolds, Toni A Chapman
Yeasts, often in hydrolyzed form, are key ingredients in the larval and adult diets of tephritid fruit fly colonies. However, very little is known about the presence or role of yeasts in the diets of tephritid fruit flies in nature. Previous studies have identified bacteria but not detected yeasts in the gut of Queensland fruit fly, Bactrocera tryoni (Froggatt), one of Australia's most economically damaging insect pests of horticultural crops and of significant biosecurity concern domestically and internationally...
December 29, 2016: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28029236/ethylene-detection-based-on-organic-field-effect-transistors-with-porogen-and-palladium-particle-receptor-enhancements
#14
Kalpana Besar, Jennifer Dailey, Howard E Katz
Ethylene sensing is a highly challenging problem for the horticulture industry because of the limited physiochemical reactivity of ethylene. Ethylene plays a very important role in the fruit life cycle and has a significant role in determining the shelf life of fruits. Limited ethylene monitoring capability results in huge losses to the horticulture industry as fruits may spoil before they reach the consumer, or they may not ripen properly. Herein we present a poly(3-hexylthiophene-2,5-diyl) (P3HT)-based organic field effect transistor as a sensing platform for ethylene with sensitivity of 25 ppm V/V...
January 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28025314/cucumber-lure-trapping-of-zeugodacus-cucurbitae-diptera-tephritidae-in-hawaii-and-taiwan-longevity-and-nontargets-captures
#15
Eric B Jang, Lori A F N Carvalho, Chung-Chien Chen, Matthew S Siderhurst
The melon fly, Zeugodacus cucurbitae (Coquillett), is a serious pest of tropical horticulture, causing damage to cucurbits, tree fruits, and fruiting vegetables. Melon flies are especially attractive to freshly sliced cucumber, and this has led to the identification of a nine-compound kairomone lure that can be used to trap both female and male flies. In this study, a seven-compound lure, containing (Z)-6-nonenal, (Z)-6-nonen-1-ol, 1-octen-3-ol, (E,Z)-2,6-nonadienal, (E)-2-nonenal, hexanal, and 1-hexanol, was formulated into PVC plugs (100 or 300 mg/plug) for field testing in wet traps...
December 26, 2016: Journal of Economic Entomology
https://www.readbyqxmd.com/read/27991666/plant-grafting-how-genetic-exchange-promotes-vascular-reconnection
#16
Jing Wang, Libo Jiang, Rongling Wu
Grafting has been widely used to improve horticultural traits. It has also served increasingly as a tool to investigate the long-distance transport of molecules that is an essential part for key biological processes. Many studies have revealed the molecular mechanisms of graft-induced phenotypic variation in anatomy, morphology and production. Here, we review the phenomena and their underlying mechanisms by which macromolecules, including RNA, protein, and even DNA, are transported between scions and rootstocks via vascular tissues...
December 19, 2016: New Phytologist
https://www.readbyqxmd.com/read/27986999/-non-pharmacological-treatment-of-dementia-in-geriatric-psychiatry-care-units-scoping-review
#17
Anne Göhner, Michael Hüll, Sebastian Voigt-Radloff
BACKGROUND: The number of persons suffering from dementia will continuously increase in the coming years; therefore, evidence-based interventions are needed in geriatric psychiatric care. When evidence is poor scoping reviews may help to identify knowledge gaps and needs for research. AIM OF THE ARTICLE: To present an overview of clinical trials on non-pharmacological treatment for elderly with dementia in hospitals, wards and nursing homes, specializing in gerontopsychiatric care...
December 16, 2016: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/27981022/gardening-is-beneficial-for-health-a-meta-analysis
#18
REVIEW
Masashi Soga, Kevin J Gaston, Yuichi Yamaura
There is increasing evidence that gardening provides substantial human health benefits. However, no formal statistical assessment has been conducted to test this assertion. Here, we present the results of a meta-analysis of research examining the effects of gardening, including horticultural therapy, on health. We performed a literature search to collect studies that compared health outcomes in control (before participating in gardening or non-gardeners) and treatment groups (after participating in gardening or gardeners) in January 2016...
March 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/27976467/rapid-species-level-identification-of-salvias-by-chemometric-processing-of-ambient-ionisation-mass-spectrometry-derived-chemical-profiles
#19
Justine E Giffen, Ashton D Lesiak, A John Dane, Robert B Cody, Rabi A Musah
INTRODUCTION: The Salvia genus contains numerous economically important plants that have horticultural, culinary and nutraceutical uses. They are often similar in appearance, making species determination difficult. Species identification of dried Salvia products is also challenging since distinguishing plant morphological features are no longer present. OBJECTIVE: The development of a simple high-throughput method of analysis of fresh and dried Salvia leaves that would permit rapid species-level identification and detection of diagnostic biomarkers...
January 2017: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/27965682/stable-epigenetic-variants-selected-from-an-induced-hypomethylated-fragaria-vesca-population
#20
Jihua Xu, Karen K Tanino, Stephen J Robinson
Epigenetic inheritance was transmitted through selection over five generations of extreme early, but not late flowering time phenotypic lines in Fragaria vesca. Epigenetic variation was initially artificially induced using the DNA demethylation reagent 5-azacytidine (5-azaC). It is the first report to explore epigenetic variant selection and phenotypic trait inheritance in strawberry. Transmission frequency of these traits was determined across generations. The early flowering (EF4) and late stolon (LS) phenotypic traits were successfully transmitted across five and three generations through meiosis, respectively...
2016: Frontiers in Plant Science
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