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https://www.readbyqxmd.com/read/29606208/integrating-proteomics-and-enzymatic-profiling-to-decipher-seed-metabolism-affected-by-temperature-in-seed-dormancy-and-germination
#1
Qiong Xia, Ponnaiah Maharajah, Gwendal Cueff, Loïc Rajjou, Duyen Prodhomme, Yves Gibon, Christophe Bailly, Françoise Corbineau, Patrice Meimoun, Hayat El-Maarouf-Bouteau
Temperature is an important environmental factor affecting seed dormancy and germination. The mechanism by which temperature induces germination in dormant seeds is however still unclear. Proteomic study has been performed in dormant sunflower seeds during imbibition at permissive and non-permissive temperatures for germination, 20 and 10 °C, respectively. Proteome analysis showed an increase of proteins belonging to metabolism and energy from the first hours of imbibition followed by a decrease of proteins involved in protein metabolism and seed storage in germinating compared to non-germinating seeds...
April 2018: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/29603433/supplementation-with-sunflower-seeds-in-beef-cattle-did-not-impact-on-oocyte-and-in-vitro-embryo-production
#2
A L Baltazar, G M de Mattos, B M Ropelli, Smg Firetti, C Castilho, G Pugliesi, Mbc Maldonado, M Binelli, Jof Silva, G C Lupatini, B S Lafuente, Cmb Membrive
Supplementation with compounds rich in linoleic acid, including sunflower seed supplementation, promotes increase in conception rates in cows. We aimed to evaluate whether the sunflower seed (linoleic acid source) supplementation in beef donor females alters the plasma concentrations of cholesterol, triglycerides, HDL and LDL, increases the number and quality of oocytes, increases the cleavage rates and determines an improvement in number and quality of in vitro produced blastocysts. Thus, Nelore females were divided into two groups of 15 animals to receive supplementation with or without sunflower seed for 57 days...
March 30, 2018: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/29597178/viability-of-honeybee-colonies-exposed-to-sunflowers-grown-from-seeds-treated-with-the-neonicotinoids-thiamethoxam-and-clothianidin
#3
M Dolores Hernando, Victoria Gámiz, Sergio Gil-Lebrero, Inmaculada Rodríguez, Ana I García-Valcárcel, V Cutillas, Amadeo R Fernández-Alba, José M Flores
In this study, honeybee colonies were monitored in a field study conducted on sunflowers grown from seeds treated with the systemic neonicotinoids thiamethoxam or clothianidin. This field trial was carried out in different representative growing areas in Spain over a beekeeping season. The health and development of the colonies was assessed by measuring factors that have a significant influence on their strength and overwintering ability. The parameters assessed were: colony strength (adult bees), brood development, amount of pollen and honey stores and presence and status of the queen...
March 19, 2018: Chemosphere
https://www.readbyqxmd.com/read/29530255/voltammetric-fingerprinting-of-oils-and-its-combination-with-chemometrics-for-the-detection-of-extra-virgin-olive-oil-adulteration
#4
Fotios Tsopelas, Dimitris Konstantopoulos, Anna Tsantili Kakoulidou
In the present work, two approaches for the voltammetric fingerprinting of oils and their combination with chemometrics were investigated in order to detect the adulteration of extra virgin olive oil with olive pomace oil as well as the most common seed oils, namely sunflower, soybean and corn oil. In particular, cyclic voltammograms of diluted extra virgin olive oils, regular (pure) olive oils (blends of refined olive oils with virgin olive oils), olive pomace oils and seed oils in presence of dichloromethane and 0...
July 26, 2018: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29518657/magnesium-and-organic-biostimulant-integrative-application-induces-physiological-and-biochemical-changes-in-sunflower-plants-and-its-harvested-progeny-on-sandy-soil
#5
Hafeez Ur Rehman, Hesham F Alharby, Yahya Alzahrani, Mostafa M Rady
Magnesium (Mg) often leaches down in sandy soils due to high mobility and its foliar application proves to be beneficial. Organic biostimulants also prove to be helpful to affect plant physio-biochemistry and antioxidative defense system. The present study evaluated the beneficial effects of seed soaking in maize grain extract (MGE; 3%) in integration with or without foliar Mg (1 mM) in comparison to control (no treatment) on growth, yield performance, seed oil and fatty acid profile including physiological and biochemical basis of Hysun-336 sunflower hybrid grown on a sandy soil under greenhouse conditions...
March 2, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29513105/survival-of-salmonella-during-production-of-partially-sprouted-pumpkin-sunflower-and-chia-seeds-dried-for-direct-consumption
#6
Susanne E Keller, Nathan M Anderson, Can Wang, Stephen J Burbick, Ian M Hildebrandt, Lauren J Gonsalves, Quincy J Suehr, Sofia M Santillana Farakos
Ready-to-eat foods based on dried partially sprouted seeds have been associated with foodborne salmonellosis. Whereas research has focused on the potential for Salmonella initially present in or on seeds to grow and survive during fresh sprout production, little is known about the potential for growth and survival of Salmonella associated with seeds that have been partially sprouted and dried. The goal of this study was to determine the growth of Salmonella during soaking for partial germination of pumpkin, sunflower, and chia seeds and subsequent survival during drying and storage...
April 2018: Journal of Food Protection
https://www.readbyqxmd.com/read/29508721/anaphylaxis-due-to-roasted-sunflower-seeds-with-tolerance-to-raw-sunflower-seeds
#7
Marina Labella Álvarez, Teresa De Aramburu Mera, Krasimira Baynova, Borja Bartolomé Zavala, Manuel Prados Castaño
No abstract text is available yet for this article.
March 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29501147/high-throughput-quantification-of-sodium-saccharin-in-foods-by-ambient-flame-ionization-mass-spectrometry
#8
Zhongquan Li, Fang Zhang, Junbo Zhao, Xiaopan Liu, Xiuping Chen, Yue Su, Yinlong Guo
Ambient flame ionization (AFI) coupled with triple quadrupole tandem mass spectrometry was developed for quantitative analysis of sodium saccharin (SAC) in various food samples. Typically, the micro-flame by the combustion of n-butane provided a heating zone for fast desorption and ionization of analytes in milliseconds. Then high ion abundance of analyte could be produced in a short time, which made AFI-MS possess a very high sensitivity for SAC detection and was particularly appropriate for the quantification in multiple reaction monitor (MRM) mode...
May 15, 2018: Talanta
https://www.readbyqxmd.com/read/29486657/aflatoxins-in-sunflower-seeds-and-unrefined-sunflower-oils-from-singida-tanzania
#9
Salum Mohammed, Joan J E Munissi, Stephen S Nyandoro
A total of 61 samples comprising sunflower seeds (40) and unrefined sunflower oils (21) samples collected randomly from Singida, Tanzania were analysed by RP-HPLC. 15% (6/40) of the seed samples were contaminated with aflatoxin B1 ranging from LOD to 218 ng g-1 with three of them exceeding the EC/EU and TBS/TFDA maximum limits of 2 ng g-1 for AFB1 in oilseeds. The levels of total aflatoxins (AFT) in seeds ranged from LOD to 243 ng g-1 . Other aflatoxins, except AFG2 , were also detected. For the unrefined sunflower oils, the levels of AFB1 ranged from LOD to 2...
February 28, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29436775/the-effects-of-rodent-abundance-and-richness-on-cache-pilfering
#10
Jacob W Dittel, Stephen B Vander Wall
Scatter hoarding is a common behavioral strategy to conserve food during periods of scarcity, but this type of food storage is vulnerable to theft or pilferage. A variety of environmental factors and cache characteristics influence the rate of pilferage. Here we investigate two environmental factors, which heretofore have not received much attention: the abundance and species richness of scatter-hoarding animals in the vicinity of scatter-hoarded seeds. We measured the rate of cache pilferage at seven sites that differed in the number and species composition of granivorous rodents in western Nevada using local native seeds and sunflower seeds...
February 13, 2018: Integrative Zoology
https://www.readbyqxmd.com/read/29419922/transcriptome-profiles-of-sunflower-reveal-the-potential-role-of-microsatellites-in-gene-expression-divergence
#11
Chathurani Ranathunge, Gregory L Wheeler, Melody E Chimahusky, Meaghan M Kennedy, Jesse I Morrison, Brian S Baldwin, Andy D Perkins, Mark E Welch
The mechanisms by which natural populations generate adaptive genetic variation are not well understood. Some studies propose that microsatellites can function as drivers of adaptive variation. Here we tested a potentially adaptive role for transcribed microsatellites with natural populations of the common sunflower (Helianthus annuus L.) by assessing the enrichment of microsatellites in genes that show expression divergence across latitudes. Seeds collected from six populations at two distinct latitudes in Kansas and Oklahoma were planted and grown in a common garden...
February 8, 2018: Molecular Ecology
https://www.readbyqxmd.com/read/29391433/comparison-of-plants-with-c3-and-c4-carbon-fixation-pathways-for-remediation-of-polycyclic-aromatic-hydrocarbon-contaminated-soils
#12
Anithadevi Kenday Sivaram, Panneerselvan Logeshwaran, Suresh R Subashchandrabose, Robin Lockington, Ravi Naidu, Mallavarapu Megharaj
The phytoremediation technique has been demonstrated to be a viable option for the remediation of polycyclic aromatic hydrocarbons (PAHs) contaminated sites. This study evaluated the potential applicability of plants with C3 and C4 carbon fixation pathways for the phytoremediation of recalcitrant high molecular weight (HMW) PAHs contaminated soil. A 60 and 120-day greenhouse study was conducted which showed higher degradation of HMW PAHs in soil grown with C4 plants when compared to C3 plants. Also, no PAHs were detected in the maize cobs, sunflower, wallaby, and Sudan grass seeds at the end of the experiment...
February 1, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29379937/buried-treasure-biosynthesis-structures-and-applications-of-cyclic-peptides-hidden-in-seed-storage-albumins
#13
B Franke, J S Mylne, K J Rosengren
Covering: 1999 up to the end of 2017The small cyclic peptide SunFlower Trypsin Inhibitor-1 (SFTI-1) from sunflower seeds is the prototypic member of a novel family of natural products. The biosynthesis of these peptides is intriguing as their gene-encoded peptide backbone emerges from a precursor protein that also contains a seed storage albumin. The peptide sequence is cleaved out from the precursor and cyclised by the albumin-maturing enzymatic machinery. Three-dimensional solution NMR structures of a number of these peptides, and of the intact precursor protein preproalbumin with SFTI-1, have now been elucidated...
January 30, 2018: Natural Product Reports
https://www.readbyqxmd.com/read/29373559/data-analyses-and-modelling-for-risk-based-monitoring-of-mycotoxins-in-animal-feed
#14
H J Ine van der Fels-Klerx, Paulien Adamse, Ans Punt, Esther D van Asselt
Following legislation, European Member States should have multi-annual control programs for contaminants, such as for mycotoxins, in feed and food. These programs need to be risk based implying the checks are regular and proportional to the estimated risk for animal and human health. This study aimed to prioritize feed products in the Netherlands for deoxynivalenol and aflatoxin B₁ monitoring. Historical mycotoxin monitoring results from the period 2007-2016 were combined with data from other sources. Based on occurrence, groundnuts had high priority for aflatoxin B₁ monitoring; some feed materials (maize and maize products and several oil seed products) and complete/complementary feed excluding dairy cattle and young animals had medium priority; and all other animal feeds and feed materials had low priority...
January 26, 2018: Toxins
https://www.readbyqxmd.com/read/29327928/one-step-bioconversion-of-fatty-acids-into-c8-c9-volatile-aroma-compounds-by-a-multifunctional-lipoxygenase-cloned-from-pyropia-haitanensis
#15
Zhu-Jun Zhu, Hai-Min Chen, Juan-Juan Chen, Rui Yang, Xiao-Jun Yan
The multifunctional lipoxygenase PhLOX cloned from Pyropia haitanensis was expressed in Escherichia coli with 24.4 mg·L-1 yield. PhLOX could catalyze the one-step bioconversion of C18-C22 fatty acids into C8-C9 volatile organic compounds (VOCs), displaying higher catalytic efficiency for eicosenoic and docosenoic acids than for octadecenoic acids. C20:5 was the most suitable substrate among the tested fatty acids. The C8-C9 VOCs were generated in good yields from fatty acids, e.g., 2E-nonenal from C20:4, and 2E,6Z-nonadienal from C20:5...
February 7, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29314466/covalent-bonding-of-chlorogenic-acid-induces-structural-modifications-on-sunflower-proteins
#16
Dimitris Karefyllakis, Stavroula Salakou, J Harry Bitter, Atze J van der Goot, Constantinos V Nikiforidis
Proteins and phenols coexist in the confined space of plant cells leading to reactions between them, which result in new covalently bonded complex molecules. This kind of reactions has been widely observed during storage and processing of plant materials. However, the nature of the new complex molecules and their physicochemical properties are largely unknown. Therefore, we investigated the structural characteristics of covalently bonded complexes between sunflower protein isolate (SFPI, protein content 85 wt %) and the dominant phenol in the confined space of a sunflower seed cell (chlorogenic acid, CGA)...
February 19, 2018: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/29287390/determination-of-free-steroidal-compounds-in-vegetable-oils-by-comprehensive-two-dimensional-gas-chromatography-coupled-to-time-of-flight-mass-spectrometry
#17
Baocheng Xu, Liangxiao Zhang, Fei Ma, Wen Zhang, Xiupin Wang, Qi Zhang, Denglin Luo, Hongyan Ma, Peiwu Li
A method based on comprehensive two-dimensional gas chromatography coupled to time-of-flight mass spectrometry (GC × GC-TOF/MS) was developed to analyze steroidal compounds in vegetable oils, which could provide better separation and higher sensitivity than conventional one dimensional gas chromatography, and allowed determination of 31 sterols and triterpene alcohols in one injection. Furthermore, the approach also permitted separation and detection of small amounts of other compounds (may be steroidal compounds whose molecular structures have not been confirmed), which were obscured in the lower-resolution single-column technique...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29280987/anti-inflammatory-and-skin-barrier-repair-effects-of-topical-application-of-some-plant-oils
#18
REVIEW
Tzu-Kai Lin, Lily Zhong, Juan Luis Santiago
Plant oils have been utilized for a variety of purposes throughout history, with their integration into foods, cosmetics, and pharmaceutical products. They are now being increasingly recognized for their effects on both skin diseases and the restoration of cutaneous homeostasis. This article briefly reviews the available data on biological influences of topical skin applications of some plant oils (olive oil, olive pomace oil, sunflower seed oil, coconut oil, safflower seed oil, argan oil, soybean oil, peanut oil, sesame oil, avocado oil, borage oil, jojoba oil, oat oil, pomegranate seed oil, almond oil, bitter apricot oil, rose hip oil, German chamomile oil, and shea butter)...
December 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29229363/comparison-of-the-effects-of-flaxseed-oil-and-sunflower-seed-oil-consumption-on-serum-glucose-lipid-profile-blood-pressure-and-lipid-peroxidation-in-patients-with-metabolic-syndrome
#19
Atefeh Akrami, Farzad Nikaein, Siavash Babajafari, Shiva Faghih, Hassan Yarmohammadi
BACKGROUND: Metabolic syndrome (MetSyn) increases the risk of type II diabetes and morbidity and mortality due to cardiovascular diseases. Flaxseed oil (FO), as a functional food, is one of the major vegetal sources of essential omega-3 fatty acids. OBJECTIVE: This study aimed to compare the effects of consumption of FO and sunflower seed oil (SO) on lipid peroxidation and other symptoms of MetSyn. METHODS: This randomized controlled interventional trial was conducted on 60 volunteers aged 30 to 60 years who were diagnosed with MetSyn in Shiraz, Iran...
January 2018: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/29226187/tracheobronchial-foreign-bodies-in-children-the-role-of-emergency-rigid-bronchoscopy
#20
Aram Baram, Hewa Sherzad, Sara Saeed, Fahmi H Kakamad, Adnan M H Hamawandi
Foreign body aspiration (FBA) is a common and lethal accident in the pediatric age group. It requires early recognition and treatment by rigid bronchoscopy to avoid fatal outcomes. Objective. The aim of this study was to study the pattern of FBA in the tracheobronchial tree as well as the success rate of rigid bronchoscopy in children admitted to a single center and to analyze the relationship of the type of foreign body (FB) with patients' age, presentation, and complications. Methods. A retrospective cross-sectional study of FBA was conducted in children in the Sulaimani/Kurdistan region, Iraq, admitted to the emergency teaching hospital of the University of Sulaimani from January 2014 to March 2016...
2017: Global Pediatric Health
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