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https://www.readbyqxmd.com/read/28428846/long-term-and-widespread-changes-in-agricultural-practices-influence-ring-necked-pheasant-abundance-in-california
#1
Peter S Coates, Brianne E Brussee, Kristy B Howe, Joseph P Fleskes, Ian A Dwight, Daniel P Connelly, Matt G Meshriy, Scott C Gardner
Declines in bird populations in agricultural regions of North America and Europe have been attributed to agricultural industrialization, increases in use of agrochemical application, and increased predation related to habitat modification. Based on count data compiled from Breeding Bird Survey (BBS) from 1974 to 2012, Christmas Bird Count (CBC) collected from 1914 to 2013, and hunter data from Annual Game Take Survey (AGTS) for years 1948-2010, ring-necked pheasants (Phasianus colchicus) in California have experienced substantial declines in agricultural environments...
April 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28414256/salmonella-survival-kinetics-on-pecans-hazelnuts-and-pine-nuts-at-various-water-activities-and-temperatures
#2
Sofia M Santillana Farakos, Régis Pouillot, Susanne E Keller
The impact of temperature, water activity (aw), and nut composition on Salmonella survival on tree nuts has not been thoroughly examined. The aim of this study was to determine the effect of temperature, aw, and nut composition on the survival of Salmonella on tree nuts and develop predictive models. Pecans, hazelnuts, and pine nuts were chosen based on differences in their typical fat content. Nuts were inoculated with a cocktail of five Salmonella serotypes (11 log CFU/mL) and then were dried and stored at 4, 10, and 25°C at 0...
April 17, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28397379/b-fahf-2-plus-oral-immunotherapy-oit-is-safer-and-more-effective-than-oit-alone-in-a-murine-model-of-concurrent-peanut-tree-nut-allergy
#3
Kamal D Srivastava, Ying Song, Nan Yang, Changda Liu, Ilan E Goldberg, Anna Nowak-Węgrzyn, Hugh A Sampson, Xiu-Min Li
BACKGROUND: Concurrent sensitization to peanut (PN) and tree nuts (TN), the most dangerous food allergies, is common. Current oral immunotherapy (OIT) is not fully satisfactory. OBJECTIVE: To determine if the herbal formula B-FAHF-2 (BF2) ameliorates PN/TN OIT adverse reactions and enhances persistence of a tolerant state. METHODS: Concurrently sensitized peanut, walnut (WN) and cashew (CSH) allergic mice received 1 day PN/WN/CSH rush OIT plus 3 weeks of maintenance dosing, with or without 3-weeks prior and 3-weeks BF2 co-treatment...
April 11, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28379558/orientation-of-navel-orangeworm-lepidoptera-pyralidae-larvae-and-adults-toward-volatiles-associated-with-almond-hull-split-and-aspergillus-flavus
#4
Daniel S Bush, Allen Lawrance, Joel P Siegel, May R Berenbaum
The navel orangeworm Amyelois transitella (Walker, 1863, Lepidoptera: Pyralidae), a pest of California tree nuts, is associated with the fungus Aspergillus flavus, and previous research suggests these species are facultative mutualists. Because navel orangeworm larvae exhibit improved performance on diets containing this fungus, orientation toward hostplants infected with A. flavus may be adaptive. We conducted behavioral assays to determine if larvae respond to chemical cues produced by almond hull split and fungal infection...
March 31, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28372252/quantification-of-inositol-phosphates-in-almond-meal-and-almond-brown-skins-by-hplc-esi-ms
#5
Quynh H Duong, Kevin D Clark, Karen G Lapsley, Ronald B Pegg
The extraction and measurement of all six forms of inositol phosphates (InsPs) in almond meal and brown skins were improved from existing methods by pH adjustment, supplementation of EDTA, and rapid analysis via anion-exchange high-performance liquid chromatography coupled with electrospray ionization mass spectrometry. The quantity of InsPs in six major almond cultivars ranged from 8 to 12μmol/g in the meal and 5 to 14μmol/g in the brown skins. InsP6 was the dominant form, but lower forms still accounted for ∼20% of the total InsPs molar concentration in a majority of the samples...
August 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28359600/characteristics-of-tree-nut-challenges-in-tree-nut-allergic-and-tree-nut-sensitized-individuals
#6
Christopher Couch, Tim Franxman, Matthew Greenhawt
BACKGROUND: Characteristics and outcomes of tree nut (TN) oral food challenges (OFCs) in patients with TN allergy or sensitization alone are poorly studied. OBJECTIVE: To determine the relation between TN sensitization levels and OFC outcomes. METHODS: Open TN OFCs performed from 2007 through 2015 at a referral center were analyzed to compare outcome based on skin prick test (SPT) wheal size, food-specific immunoglobulin E (sIgE), peanut co-allergy, and TN sensitization only vs TN allergy with sensitization to other TNs...
March 22, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28356271/cashew-consumption-reduces-total-and-ldl-cholesterol-a-randomized-crossover-controlled-feeding-trial
#7
Eunice Mah, Jacqueline A Schulz, Valerie N Kaden, Andrea L Lawless, Jose Rotor, Libertie B Mantilla, DeAnn J Liska
Background: Cashews are the third most-consumed tree nut in the United States and are abundant with monounsaturated fatty acids and polyunsaturated fatty acids, which are associated with reduced cardiovascular disease risk. Although a qualified Food and Drug Administration health claim exists for nuts and heart health, cashews have been exempt from its use because cashews exceed the disqualifying amount of saturated fatty acids. Approximately one-third of the saturated fat in cashews is stearic acid, which is relatively neutral on blood lipids, thereby suggesting that cashews could have effects that are similar to those of other nuts...
March 29, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28334289/oecophylla-longinoda-hymenoptera-formicidae-lead-to-increased-cashew-kernel-size-and-kernel-quality
#8
F M Anato, A A C Sinzogan, J Offenberg, A Adandonon, R B Wargui, J M Deguenon, P M Ayelo, J-F Vayssières, D K Kossou
Weaver ants, Oecophylla spp., are known to positively affect cashew, Anacardium occidentale L., raw nut yield, but their effects on the kernels have not been reported. We compared nut size and the proportion of marketable kernels between raw nuts collected from trees with and without ants. Raw nuts collected from trees with weaver ants were 2.9% larger than nuts from control trees (i.e., without weaver ants), leading to 14% higher proportion of marketable kernels. On trees with ants, the kernel: raw nut ratio from nuts damaged by formic acid was 4...
March 3, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28317539/botryosphaeriaceae-species-associated-with-dieback-and-canker-disease-of-bay-laurel-in-northern-california-with-the-description-of-dothiorella-californica-sp-nov
#9
Daniel P Lawrence, Francesca Peduto Hand, W Douglas Gubler, Florent P Trouillas
Members of the Botryosphaeriaceae are cosmopolitan fungi that may exist as seemingly innocuous endophytes or as destructive pathogens of numerous woody hosts, including fruit and nut crops, urban ornamental trees and shrubs, and forest trees. Surveys of bay laurel in northern California have revealed symptoms of dieback and branch canker of unknown aetiology. The goals of this study were to identify and clarify the species of Botryosphaeriaceae associated with these symptoms and to confirm their pathogenicity...
April 2017: Fungal Biology
https://www.readbyqxmd.com/read/28303393/effective-nut-dispersal-by-magpies-pica-pica-l-in-a-mediterranean-agroecosystem
#10
Jorge Castro, Mercedes Molina-Morales, Alexandro B Leverkus, Loreto Martínez-Baroja, Lorenzo Pérez-Camacho, Pedro Villar-Salvador, Salvador Rebollo, José M Rey-Benayas
Scatter-hoarding animals such as corvids play a crucial role in the dispersal of nut-producing tree species. This interaction is well known for some corvids, but remains elusive for other species such as the magpie (Pica pica), an abundant corvid in agroecosystems and open landscapes of the Palearctic region. In addition, the establishment of the individual dispersed seeds-a prerequisite for determining seed-dispersal effectiveness-has never before been documented for the interaction between corvids and nut-producing trees...
March 16, 2017: Oecologia
https://www.readbyqxmd.com/read/28270158/replacing-american-snacks-with-tree-nuts-increases-consumption-of-key-nutrients-among-us-children-and-adults-results-of-an-nhanes-modeling-study
#11
Colin D Rehm, Adam Drewnowski
BACKGROUND: Replacing typical American snacks with tree nuts may be an effective way to improve diet quality and compliance with the 2015-2020 Dietary Guidelines for Americans (DGAs). OBJECTIVE: To assess and quantify the impact of replacing typical snacks with composite tree nuts or almonds on diet metrics, including empty calories (i.e., added sugars and solid fats), individual fatty acids, macronutrients, nutrients of public health concern, including sodium, fiber and potassium, and summary measures of diet quality...
March 7, 2017: Nutrition Journal
https://www.readbyqxmd.com/read/28243724/in-vitro-gene-expression-and-mrna-translocation-from-transformed-walnut-juglans-regia-rootstocks-expressing-dsred-fluorescent-protein-to-wild-type-scions
#12
Xiaochen Liu, Sriema L Walawage, Charles A Leslie, Abhaya M Dandekar, David M Tricoli, Hengkang Hu, Youjun Huang, Jiaqi Zhang, Chuanmei Xv, Jianqin Huang, Qixiang Zhang
An in vitro grafting method was developed for examining gene translocation from rootstock to scion in walnut. Results showed the DsRED gene itself was not translocated but expressed mRNA was. Grafting is widely used in plants, especially in fruit and nut crops. Selected rootstocks can control scion growth and physiological traits, including shortening of the juvenile phase and controlling tree size. Rootstocks also can provide improved soil adaptation and pathogen resistance. Development of genetically modified (GM) fruit crops has progressed recently, but commercial cultivation is still limited due to the time required for evaluation and issues with deregulation...
February 27, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28241388/two-centuries-of-masting-data-for-european-beech-and-norway-spruce-across-the-european-continent
#13
Davide Ascoli, Janet Maringer, Andy Hacket-Pain, Marco Conedera, Igor Drobyshev, Renzo Motta, Mara Cirolli, Władysław Kantorowicz, Christian Zang, Silvio Schueler, Luc Croisé, Pietro Piussi, Roberta Berretti, Ciprian Palaghianu, Marjana Westergren, Jonathan G A Lageard, Anton Burkart, Regula Gehrig Bichsel, Peter A Thomas, Burkhard Beudert, Rolf Övergaard, Giorgio Vacchiano
Tree masting is one of the most intensively studied ecological processes. It affects nutrient fluxes of trees, regeneration dynamics in forests, animal population densities, and ultimately influences ecosystem services. Despite a large volume of research focused on masting, its evolutionary ecology, spatial and temporal variability and environmental drivers are still matter of debate. Understanding the proximate and ultimate causes of masting at broad spatial and temporal scales will enable us to predict tree reproductive strategies and their response to changing environment...
February 27, 2017: Ecology
https://www.readbyqxmd.com/read/28226324/a-survey-of-self-reported-food-allergy-and-food-related-anaphylaxis-among-young-adult-students-at-kuwait-university-kuwait
#14
Fatima Ali
OBJECTIVES: To conduct a survey on self-reported food allergy to milk, egg, peanuts, tree nuts, fish, shellfish, wheat and sesame as well as reported food-related anaphylaxis and epinephrine prescription practices among Kuwaiti students attending Kuwait University. SUBJECTS AND METHODS: One thousand (1,000) questionnaires that included data on age, gender, presence of food allergies and associated details were distributed. All participants reporting an allergy were categorized as having a perceived food allergy...
February 22, 2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/28221944/a-novel-immunoassay-test-system-for-detection-of-modified-allergen-residues-present-in-almond-cashew-coconut-hazelnut-and-soy-based-nondairy-beverages
#15
Jongkit Masiri, Lora Benoit, Mahzad Meshgi, Jeffrey Day, Cesar Nadala, Mansour Samadpour
A growing number of plant-based milk substitutes have become commercially available, providing an array of options for consumers with dietary restrictions. Though several of these products rival cow's milk in terms of their nutritional profiles, beverages prepared with soy and tree nuts can be a significant concern to consumers because of potential contamination with food allergens. Adding to this concern is the fact that allergen residues from plant-based beverages are modified during manufacturing, thereby decreasing the sensitivity of antibody-based detection methods...
September 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28207311/prevalence-of-salmonella-in-cashews-hazelnuts-macadamia-nuts-pecans-pine-nuts-and-walnuts-in-the-united-states
#16
Guodong Zhang, Lijun Hu, David Melka, Hua Wang, Anna Laasri, Eric W Brown, Errol Strain, Marc Allard, Vincent K Bunning, Steven M Musser, Rhoma Johnson, Sofia M Santillana Farakos, Virginia N Scott, Régis Pouillot, Jane M Van Doren, Thomas S Hammack
Nuts have been identified as a vector for salmonellosis. The objective of this project was to estimate the prevalence and contamination level of Salmonella in raw tree nuts (cashews, pecans, hazelnuts, macadamia nuts, pine nuts, and walnuts) at retail markets in the United States. A total of 3,656 samples of six types of tree nuts were collected from different types of retail stores and markets nationwide between October 2014 and October 2015. These samples were analyzed using a modified version of the Salmonella culture method from the U...
February 16, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28166280/survey-of-the-rubber-tree-genome-reveals-a-high-number-of-cysteine-protease-encoding-genes-homologous-to-arabidopsis-sag12
#17
Zhi Zou, Jianting Liu, Lifu Yang, Guishui Xie
Arabidopsis thaliana SAG12, a senescence-specific gene encoding a cysteine protease, is widely used as a molecular marker for the study of leaf senescence. To date, its potential orthologues have been isolated from several plant species such as Brassica napus and Nicotiana tabacum. However, little information is available in rubber tree (Hevea brasiliensis), a rubber-producing plant of the Euphorbiaceae family. This study presents the identification of SAG12-like genes from the rubber tree genome. Results showed that an unexpected high number of 17 rubber orthologues with a single intron were found, contrasting the single copy with two introns in Arabidopsis...
2017: PloS One
https://www.readbyqxmd.com/read/28140482/phenotypical-characterization-of-peanut-allergic-children-with-differences-in-cross-allergy-to-tree-nuts-and-other-legumes
#18
Mathias Cousin, Stéphane Verdun, Maxime Seynave, Anne-Christine Vilain, Amélie Lansiaux, Anne Decoster, Christine Sauvage
BACKGROUND: Peanut allergy in children is often associated with allergies to tree nuts and/or legumes. The aim of the present study was to analyze in cluster a cohort of children allergic to peanuts and assessed for cross-reactivity to nuts and legumes and to identify different phenotypes. METHODS: We included retrospectively 317 children with peanut allergy evaluated at the Allergy Unit of the Saint Vincent Hospital of Lille in the last 12 years. A complete work-up for peanut allergy and nuts and legumes was carried out for each patient...
January 31, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/28117705/detoxification-of-aflatoxin-b%C3%A2-by-zygosaccharomyces-rouxii-with-solid-state-fermentation-in-peanut-meal
#19
Guanghui Zhou, Yujie Chen, Qing Kong, Yunxiao Ma, Yang Liu
Aflatoxins are highly carcinogenic, teratogenetic, and morbigenous secondary metabolites of Aspergillus flavus and A. parasiticus that can contaminate multiple staple foods, such as peanut, maize, and tree nuts. In this study, Zygosaccharomyces rouxii was screened out and identified from fermented soy paste-one kind of traditional Chinese food-to detoxify aflatoxin B₁ (AFB₁) by aerobic solid state fermentation in peanut meal. The optimal degradation condition was chosen from single factor experiment, and the most effective detoxification rate was about 97%...
January 20, 2017: Toxins
https://www.readbyqxmd.com/read/28110058/threshold-dose-distribution-in-walnut-allergy
#20
Mark A Blankestijn, Ben C Remington, Geert F Houben, Joe L Baumert, André C Knulst, W Marty Blom, Rob J B Klemans, Steve L Taylor
BACKGROUND: In food allergy, eliciting doses (EDs) of foods on a population level can improve risk management and labeling strategies for the food industry and regulatory authorities. Previously, data available for walnut were unsuitable to determine EDs. OBJECTIVE: The objective of this study was to determine EDs for walnut allergic adults and to compare with previously established threshold data for peanut and tree nuts. METHODS: Prospectively, adult subjects with a suspected walnut allergy underwent a low-dose double-blind, placebo-controlled food challenge...
January 18, 2017: Journal of Allergy and Clinical Immunology in Practice
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