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https://www.readbyqxmd.com/read/28208645/polyphenol-oxidases-in-crops-biochemical-physiological-and-genetic-aspects
#1
Francesca Taranto, Antonella Pasqualone, Giacomo Mangini, Pasquale Tripodi, Monica Marilena Miazzi, Stefano Pavan, Cinzia Montemurro
Enzymatic browning is a colour reaction occurring in plants, including cereals, fruit and horticultural crops, due to oxidation during postharvest processing and storage. This has a negative impact on the colour, flavour, nutritional properties and shelf life of food products. Browning is usually caused by polyphenol oxidases (PPOs), following cell damage caused by senescence, wounding and the attack of pests and pathogens. Several studies indicated that PPOs play a role in plant immunity, and emerging evidence suggested that PPOs might also be involved in other physiological processes...
February 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28208551/re-challenging-the-inevitability-of-prostate-enlargement-low-levels-of-benign-prostatic-hyperplasia-among-tsimane-forager-horticulturalists
#2
Tomas L Griebling
No abstract text is available yet for this article.
March 2017: Journal of Urology
https://www.readbyqxmd.com/read/28205632/using-dna-metabarcoding-to-investigate-honey-bee-foraging-reveals-limited-flower-use-despite-high-floral-availability
#3
Natasha de Vere, Laura E Jones, Tegan Gilmore, Jake Moscrop, Abigail Lowe, Dan Smith, Matthew J Hegarty, Simon Creer, Col R Ford
Understanding which flowers honey bees (Apis mellifera) use for forage can help us to provide suitable plants for healthy honey bee colonies. Accordingly, honey DNA metabarcoding provides a valuable tool for investigating pollen and nectar collection. We investigated early season (April and May) floral choice by honey bees provided with a very high diversity of flowering plants within the National Botanic Garden of Wales. There was a close correspondence between the phenology of flowering and the detection of plants within the honey...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28199378/the-first-initiative-of-dna-barcoding-of-ornamental-plants-from-egypt-and-potential-applications-in-horticulture-industry
#4
Hosam O Elansary, Muhammad Ashfaq, Hayssam M Ali, Kowiyou Yessoufou
DNA barcoding relies on short and standardized gene regions to identify species. The agricultural and horticultural applications of barcoding such as for marketplace regulation and copyright protection remain poorly explored. This study examines the effectiveness of the standard plant barcode markers (matK and rbcL) for the identification of plant species in private and public nurseries in northern Egypt. These two markers were sequenced from 225 specimens of 161 species and 62 plant families of horticultural importance...
2017: PloS One
https://www.readbyqxmd.com/read/28188333/use-of-modern-tomato-breeding-germplasm-for-deciphering-the-genetic-control-of-agronomical-traits-by-genome-wide-association-study
#5
Guillaume Bauchet, Stéphane Grenier, Nicolas Samson, Julien Bonnet, Laurent Grivet, Mathilde Causse
A panel of 300 tomato accessions including breeding materials was built and characterized with >11,000 SNP. A population structure in six subgroups was identified. Strong heterogeneity in linkage disequilibrium and recombination landscape among groups and chromosomes was shown. GWAS identified several associations for fruit weight, earliness and plant growth. Genome-wide association studies (GWAS) have become a method of choice in quantitative trait dissection. First limited to highly polymorphic and outcrossing species, it is now applied in horticultural crops, notably in tomato...
February 10, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28182757/horticultural-systems-engineering-and-economic-evaluations-of-short-term-plant-storage-techniques-as-a-labor-management-tool-for-vegetable-grafting-nurseries
#6
Chieri Kubota, Chao Meng, Young-Jun Son, Myles Lewis, Hans Spalholz, Russell Tronstad
This transdisciplinary study has a three-fold systems approach in evaluating a horticultural technology: 1) horticultural evaluations, 2) economic and resource analyses, and 3) systems engineering analyses, using low temperature storage as an example technology. Vegetable grafting is a technique to produce value-added seedlings but requires labor intensive nursery operations. Low temperature storage of seedlings for a short period of time can reduce peak production, but has not been evaluated at the extent demonstrated in this paper...
2017: PloS One
https://www.readbyqxmd.com/read/28177838/testing-the-reliability-of-the-standard-and-complementary-dna-barcodes-for-the-monocot-subfamily-alooideae-from-south-africa
#7
Barnabas H Daru, Michelle Van der Bank, Abubakar Bello, Kowiyou Yessoufou
Although a standard DNA barcode has been identified for plants, it does not always provide species-level specimen identifications for investigating important ecological questions. In this study, we assessed the species-level discriminatory power of the standard (rbcLa + matK) and complementary barcodes ITS1 and trnH-psbA within the subfamily Alooideae (Asphodelaceae), a large, recent plant radiation whose species are important in horticulture yet are threatened. Alooideae has its centre of endemism in southern Africa with some outlier species occurring elsewhere in Africa and Madagascar...
November 23, 2016: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/28153403/effect-of-water-table-management-and-elevated-co2-on-radish-productivity-and-on-ch4-and-co2-fluxes-from-peatlands-converted-to-agriculture
#8
S Musarika, C E Atherton, T Gomersall, M J Wells, J Kaduk, A M J Cumming, S E Page, W C Oechel, D Zona
Anthropogenic activity is affecting the global climate through the release of greenhouse gases (GHGs) e.g. CO2 and CH4. About a third of anthropogenic GHGs are produced from agriculture, including livestock farming and horticulture. A large proportion of the UK's horticultural farming takes place on drained lowland peatlands, which are a source of significant amounts of CO2 into the atmosphere. This study set out to establish whether raising the water table from the currently used -50cm to -30cm could reduce GHGs emissions from agricultural peatlands, while simultaneously maintaining the current levels of horticultural productivity...
January 30, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28150741/antennal-transcriptomes-of-three-tortricid-moths-reveal-putative-conserved-chemosensory-receptors-for-social-and-habitat-olfactory-cues
#9
Francisco Gonzalez, Peter Witzgall, William B Walker
Insects use chemical signals to find mates, food and oviposition sites. The main chemoreceptor gene families comprise odorant receptors (ORs), ionotropic receptors (IRs) and gustatory receptors (GRs). Understanding the evolution of these receptors as well as their function will assist in advancing our knowledge of how chemical stimuli are perceived and may consequently lead to the development of new insect management strategies. Tortricid moths are important pests in horticulture, forestry and agriculture around the globe...
February 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28150437/synthesis-and-swelling-property-of-the-superabsorbent-starch-grafted-with-acrylic-acid-2-acrylamido-2-methyl-1-propanesulfonic-acid
#10
Yeqiao Meng, Lin Ye
BACKGROUND: In order to develop the starch-based superabsorbent polymers with high water absorbency, both acrylic acid (AA) and 2-acrylamido -2-methyl-1- propanesulfonic acid (AMPS) were graft copolymerized onto cassava starch, and St-g-AA-AMPS SAP was successfully synthesized. The effect of AA/AMPS molar ratio on the structure and swelling property of SAP was investigated. RESULT: Introduction of AMPS units improved the storage modulus and crosslinking density of St-g-AA-AMPS SAP, and was beneficial to form perfect network structure...
February 2, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28134439/evaluation-of-vegetable-faba-bean-vicia-faba-l-intercropping-under-latvian-agro-ecological-conditions
#11
Līga Lepse, Sandra Dane, Solvita Zeipiņa, Raul Domínguez-Perles, Eduardo A S Rosa
BACKGROUND: Monoculture is used mostly in conventional agriculture, where a single crop is cultivated on the same land for a period of at least 12-month. In organic and integrated growing approach, more attention is paid to plant-environment interactions and as a result, diverse growing systems applying intercropping, catch crops, and green manure are being implemented. Thus, field experiments for evaluation of vegetable/faba bean full intercropping efficiency, in terms of vegetable and faba bean yield and protein content, were set up during two consecutive growing seasons (2014 and 2015)...
January 30, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28129084/the-effect-of-horticultural-therapy-on-the-quality-of-life-of-palliative-care-patients
#12
Claudia Kam-Yuk Lai, Carmen Ka-Yan Lau, Wai Yin Kan, Wai Man Lam, Connie Yuen Yee Fung
Palliative care patients experienced a variety of needs and perceived their quality of life as being only fair. This study adopted a single group repeated-measure design to investigate the effect of horticultural therapy on the quality of life of palliative care patients using the Quality of Life Concern in End of Life Questionnaire. Significant differences in the domains of "existential distress" and "health care concern" were observed immediately post-intervention and at four weeks post-intervention, respectively...
January 27, 2017: Journal of Psychosocial Oncology
https://www.readbyqxmd.com/read/28125645/gbs-based-deconvolution-of-the-surviving-north-american-collection-of-cold-hardy-kiwifruit-actinidia-spp-germplasm
#13
Arthur T O Melo, Robert S Guthrie, Iago Hale
Plant germplasm collections can be invaluable resources to plant breeders, provided they are well-characterized. After 140 years of acquisition and curation efforts by a wide and largely non-coordinated array of private and institutional actors, the current US collection of cold-hardy kiwifruit (Actinidia spp.) is rife with misclassifications, misnomers, and mix-ups. To facilitate the systematic improvement and resource-efficient curation of these species of long-recognized horticultural potential, we used genotyping-by-sequencing (GBS) data to deconvolute this historic collection...
2017: PloS One
https://www.readbyqxmd.com/read/28111525/climate-change-will-increase-the-naturalization-risk-from-garden-plants-in-europe
#14
Iwona Dullinger, Johannes Wessely, Oliver Bossdorf, Wayne Dawson, Franz Essl, Andreas Gattringer, Günther Klonner, Holger Kreft, Michael Kuttner, Dietmar Moser, Jan Pergl, Petr Pyšek, Wilfried Thuiller, Mark van Kleunen, Patrick Weigelt, Marten Winter, Stefan Dullinger, Linda Beaumont
AIM: Plant invasions often follow initial introduction with a considerable delay. The current non-native flora of a region may hence contain species that are not yet naturalized but may become so in the future, especially if climate change lifts limitations on species spread. In Europe, non-native garden plants represent a huge pool of potential future invaders. Here, we evaluate the naturalization risk from this species pool and how it may change under a warmer climate. LOCATION: Europe...
January 2017: Global Ecology and Biogeography: a Journal of Macroecology
https://www.readbyqxmd.com/read/28101969/low-trabecular-bone-density-in-recent-sedentary-modern-humans
#15
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
#16
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
#17
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
#18
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...
April 2017: Parasitology International
https://www.readbyqxmd.com/read/28080985/emerging-oomycete-threats-to-plants-and-animals
#19
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
#20
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
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