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https://www.readbyqxmd.com/read/28802240/late-summer-photosynthesis-and-storage-carbohydrates-in-walnut-juglans-regia-l-feed-back-and-feed-forward-effects
#1
Stefano Moscatello, Simona Proietti, Angela Augusti, Andrea Scartazza, Robert P Walker, Franco Famiani, Alberto Battistelli
The effect of late summer - autumn limitation of phloem export on growth, photosynthesis and storage carbohydrate accumulation, was evaluated in walnut (Juglans regia L.). This was done by girdling current years shoots, with either all or with only a third of the leaves left in place. Nineteen days after girdling, photosynthesis was greatly reduced and after 46 days, it was about 70% lower in both girdling treatments compared to the control (ungirdled shoots). This reduction is consistent with a feed-back effect of an increased carbohydrate content of the leaves...
July 31, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28778045/bleomycin-induced-pulmonary-toxicopathological-changes-in-rats-and-its-prevention-by-walnut-extract
#2
Saba Beigh, Hina Rashid, Shikha Sharma, Suhel Parvez, Sheikh Raisuddin
Oxidative stress-related inflammation and apoptosis are important pathogenic consequences, which result in acute pulmonary toxicity. Bleomycin (BLM) is used to treat various forms of cancers. However, its prolonged administration is associated with major toxicity to respiratory system. We studied the effect of walnut (Juglans regia) extract in a rat model of BLM-induced pulmonary toxicopathy. We also studied parameters of inflammation, apoptosis and oxidative stress in various groups of animals. Prophylactic treatment of total methanolic extract of walnut at the dose of 150mg/kg b...
August 1, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28763961/impact-of-extraction-techniques-on-antioxidant-capacities-and-phytochemical-composition-of-polyphenol-rich-extracts
#3
Cecilia Castro-López, Janeth M Ventura-Sobrevilla, María D González-Hernández, Romeo Rojas, Juan A Ascacio-Valdés, Cristóbal N Aguilar, Guillermo C G Martínez-Ávila
In this work, impact of extraction methods (maceration, decoction, MAE, and UAE) on TPC, antioxidant activity, and the mass fraction of phenolics in several plant extracts (Punica granatum, Juglans regia, Moringa oleifera, and Cassia fistula) was investigated. The results showed that, despite the nature of matrix, the highest values of TPC in all samples were obtained by MAE as follows: PP (18.92±0.11), ML (15.19±0.11), HL (12.69±0.16), and WS (12.80±0.11) mg GAEg(-1) respectively, and exhibited potent antioxidant activity (from 0...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28737396/azacyclo-indoles-and-phenolics-from-the-flowers-of-juglans-regia
#4
Qian Li, An-Jun Deng, Li Li, Lian-Qiu Wu, Ming Ji, Hai-Jing Zhang, Zhi-Hong Li, Lin Ma, Zhi-Hui Zhang, Xiao-Guang Chen, Hai-Lin Qin
Seven new azacyclo-indoles and phenolics and four known alkaloids were isolated from the flowers of Juglans regia. Spectroscopic and chromatographic data revealed that the structures of the new compounds are 5,6,11,12-tetrahydropyrrolo[1',2':1,2]azepino[4,5-b]indole-3-carbaldehyde (1), (±)-5,6,7,11c-tetrahydro-1H-indolizino[7,8-b]indol-3(2H)-one (2), (±)-9-hydroxy-5-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepine-2-carboxamide (3), 5-(ethoxymethyl)-1-(4-hydroxyphenethyl)-1H-pyrrole-2-carbaldehyde (4), (±)-5,8-dihydroxy-4-(1H-indol-3-yl)-3,4-dihydronaphthalen-1(2H)-one (5), (±)-4-(6-amino-9H-purin-9-yl)-5,8-dihydroxy-3,4-dihydronaphthalen-1(2H)-one (6), and (±)-4-(6-amino-9H-purin-9-yl)-5-hydroxy-3,4-dihydronaphthalen-1(2H)-one (7)...
July 24, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28721619/measurements-of-%C3%AE-and-%C3%AE-hexachlorocyclohexane-in-juglans-regia-and-prunus-spinosa-trees-in-a-contaminated-area-central-italy
#5
Sabrina Battisti, Carlo Boselli, Alessandro Ubaldi, Cristina Roffi Isabelli, Tabita Mauti, Ugo Della Marta, Paola Scaramozzino
Vegetables play an important role in the human diet, and the transfer of toxic contaminants from the soil to plants has been little studied for most tree species and their edible portions. In an area affected by hexachlorocyclohexane (HCH) contamination, in the Sacco River Valley (central Italy), measurements of β- and α-HCH isomers were made on different parts of two tree species: Juglans regia and Prunus spinosa. Concentrations were analysed in roots, branches, leaves, fruits, and seeds. A spatial evaluation of the results highlighted an inverse association of contamination with distance from the river, which is the main route of transport in the environment...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28713393/the-complete-chloroplast-genome-of-chinese-bayberry-morella-rubra-myricaceae-implications-for-understanding-the-evolution-of-fagales
#6
Lu-Xian Liu, Rui Li, James R P Worth, Xian Li, Pan Li, Kenneth M Cameron, Cheng-Xin Fu
Morella rubra (Myricaceae), also known as Chinese bayberry, is an economically important, subtropical, evergreen fruit tree. The phylogenetic placement of Myricaceae within Fagales and the origin of Chinese bayberry's domestication are still unresolved. In this study, we report the chloroplast (cp) genome of M. rubra and take advantage of several previously reported chloroplast genomes from related taxa to examine patterns of evolution in Fagales. The cp genomes of three M. rubra individuals were 159,478, 159,568, and 159...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28610180/leaf-feeding-i-mycterothrips-i-two-new-species-from-southern-iran-thysanoptera-thripidae
#7
Kambiz Minaei, Mahmood Alichi, Lida Fekrat, Maryam Aleosfoor, Jalil Alavi
Mycterothrips doostii sp. n. and Mycterothrips zagrosi sp. n. are described and illustrated from Fars province, southern Iran, on the basis of specimens collected on green leaves of Juglans regia and Amygdalus scoparia respectively. M. doostii is closely related to M. aureus and M. weii, whereas M. zagrosi resembles M. sanubari and M. glycines in color and structure.
March 13, 2017: Zootaxa
https://www.readbyqxmd.com/read/28498991/population-differentiation-in-common-walnut-juglans-regia-l-across-major-parts-of-its-native-range-insights-from-molecular-and-morphometric-data
#8
Wladimir Roor, Heino Konrad, Davletbek Mamadjanov, Thomas Geburek
Juglans regia is an economically highly important species for fruit and wood production in the warm temperate and subtropical zones of the Northern Hemisphere. Besides the natural influence of climatic and geomorphological barriers, its genetic structure has been strongly modified by humans and the population history is still unclear. For this reason, we investigated mainly natural walnut populations across the Eurasian continent on a molecular (44 populations, 581 trees) and morphometric level (23 populations, 1391 ripe nuts)...
June 1, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/28490125/colour-and-in-vitro-quality-attributes-of-walnuts-from-different-growing-conditions-correlate-with-key-precursors-of-primary-and-secondary-metabolism
#9
Claudia Fuentealba, Ignacia Hernández, Sebastian Saa, Lea Toledo, Pamela Burdiles, Rosana Chirinos, David Campos, Patrick Brown, Romina Pedreschi
Walnuts (Juglans regia L.) are well known for their flavour, nutritional and health properties. The light colour of walnuts is a quality attribute that leads to consumer preference. The aim of this study was to correlate attributes such as colour and antioxidant capacity with the precursors of primary and secondary metabolism. Two growing areas and four different colours of walnuts cv. Chandler from the central region of Chile were evaluated. Walnuts grown in the zone with Andes Mountains influence showed higher (p<0...
October 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28488188/spring-bud-growth-depends-on-sugar-delivery-by-xylem-and-water-recirculation-by-phloem-m%C3%A3-nch-flow-in-juglans-regia
#10
Aude Tixier, Or Sperling, Jessica Orozco, Bruce Lampinen, Adele Amico Roxas, Sebastian Saa, J Mason Earles, Maciej A Zwieniecki
During spring, bud growth relies on long-distance transport of remotely stored carbohydrates. A new hypothesis suggests this transport is achieved by the interplay of xylem and phloem. During the spring, carbohydrate demand of developing buds often exceeds locally available storage, thus requiring the translocation of sugars from distant locations like limbs, stems and roots. Both the phloem and xylem have the capacity for such long-distance transport, but their functional contribution is unclear. To address this ambiguity, the spatial and temporal dynamics of carbohydrate availability in extension shoots of Juglans regia L...
May 9, 2017: Planta
https://www.readbyqxmd.com/read/28482898/ethnopharmacological-survey-of-medicinal-plants-practiced-by-traditional-healers-and-herbalists-for-treatment-of-some-urological-diseases-in-the-west-bank-palestine
#11
Nidal Amin Jaradat, Abdel Naser Zaid, Rowa Al-Ramahi, Malik A Alqub, Fatima Hussein, Zakaria Hamdan, Mahmoud Mustafa, Mohammad Qneibi, Iyad Ali
BACKGROUND: Throughout history, every civilization in the world used plants or their derivatives for treatment or prevention of diseases. In Palestine as in many other countries, herbal medicines are broadly used in the treatment of wide range of diseases including urological diseases. The main objective of this research is to study the use of herbal remedies by herbalists and traditional healers for treatment of various urological diseases in the West Bank regions of Palestine and to assess their efficacy and safety through the literature review of the most cited plants...
May 8, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28401378/protective-effect-of-juglans-regia-l-walnut-extract-against-oxidative-dna-damage
#12
Cinzia Calcabrini, Roberta De Bellis, Umberto Mancini, Luigi Cucchiarini, Vilberto Stocchi, Lucia Potenza
Walnuts (Juglans regia L.) are relevant components of the Mediterranean diet providing important macronutrients, micronutrients and other bioactive constituents including unsaturated fatty acids, proteins, fiber, vitamins, minerals, phytosterols and polyphenols. Although the walnut beneficial effects in human health are widely recognized by a lot of epidemiologic studies very little is known regarding its effect on damaged DNA. The aim of the present study was to investigate the effect of Juglans regia L. ethanolic extract from kernel on the induction of DNA strand breaks by thiol/Fe(3+)/O2 mixed function oxidase, tert-butyl hydroperoxide or UVC radiations in acellular and cellular models...
June 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28374545/identification-of-walnut-husk-juglans-regia-l-volatiles-and-the-behavioral-response-of-the-invasive-walnut-husk-fly-rhagoletis-completa-cresson
#13
Landry Sarles, Antoine Boullis, Bérénice Fassotte, Georges Lognay, Agnès Verhaeghe, Frédéric Francis, François J Verheggen
BACKGROUND: Several European countries are important walnut (Juglans regia L.) producers. However, these countries must contend with the recent introduction of the Walnut Husk Fly, Rhagoletis completa Cresson (Diptera, Tephritidae), which is causing severe economic losses, especially in organic production. Because most Tephritid fruit flies use kairomones in their search for host plants, we hypothesize that this highly specialist species orients toward the volatile blend released by walnut husks...
April 3, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28366844/an-assessment-of-the-nutraceutical-potential-of-juglans-regia-l-leaf-powder-in-diabetic-rats
#14
Adriano Mollica, Gokhan Zengin, Marcello Locatelli, Azzurra Stefanucci, Giorgia Macedonio, Giuseppe Bellagamba, Olakunle Onaolapo, Adejoke Onaolapo, Falilat Azeez, Adeola Ayileka, Ettore Novellino
In this study, we evaluated the nutraceutical potential of Juglans regia L. (a dietary supplement and food-additive) by evaluating the in-vitro anti-diabetic potential and by assessing the in-vivo anti-hyperglycaemic, anti-hyperlipidaemic, and organ-protective effects of freshly-dried and powdered leaves of J. regia L. in diabetic rats. In the in-vivo experiments, dry powder of J. regia L. leaf (25, 50 and 100 mg/kg) was administered orally, twice daily (9.00 a.m. and 5 p.m.) to streptozocin-induced diabetic rats over a period of 28 days, during which body weight and blood glucose were monitored weekly...
March 30, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28289857/-neuronal-like-differentiation-of-murine-mesenchymal-stem-cell-line-stimulation-by-juglans-regia-l-oil
#15
Varsha Singh, Mingma Sherpa
Mesenchymal stem cells have been extensively used for cell-based therapies especially in neuronal diseases. Studies still continue to delineate mechanisms involved in differentiating mesenchymal stem cells into neuronal cells under experimental conditions as they have low mortality rate and hence, the number of cells available for experiments is much more limited. Culturing and differentiating of neuronal cell is more challenging as they do not undergo cell division thus, bringing them to differentiate proves to be a difficult task...
March 13, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28286541/an-evaluation-of-inexpensive-methods-for-root-image-acquisition-when-using-rhizotrons
#16
Awaz Mohamed, Yogan Monnier, Zhun Mao, Guillaume Lobet, Jean-Luc Maeght, Merlin Ramel, Alexia Stokes
BACKGROUND: Belowground processes play an essential role in ecosystem nutrient cycling and the global carbon budget cycle. Quantifying fine root growth is crucial to the understanding of ecosystem structure and function and in predicting how ecosystems respond to climate variability. A better understanding of root system growth is necessary, but choosing the best method of observation is complex, especially in the natural soil environment. Here, we compare five methods of root image acquisition using inexpensive technology that is currently available on the market: flatbed scanner, handheld scanner, manual tracing, a smartphone application scanner and a time-lapse camera...
2017: Plant Methods
https://www.readbyqxmd.com/read/28271176/classification-and-ordination-of-understory-vegetation-using-multivariate-techniques-in-the-pinus-wallichiana-forests-of-swat-valley-northern-pakistan
#17
Inayat Ur Rahman, Nasrullah Khan, Kishwar Ali
An understory vegetation survey of the Pinus wallichiana-dominated temperate forests of Swat District was carried out to inspect the structure, composition and ecological associations of the forest vegetation. A quadrat method of sampling was used to record the floristic and phytosociological data necessary for the analysis using 300 quadrats of 10 × 10 m each. Some vegetation parameters viz. frequency and density for trees (overstory vegetation) as well as for the understory vegetation were recorded. The results revealed that in total, 92 species belonging to 77 different genera and 45 families existed in the area...
April 2017: Die Naturwissenschaften
https://www.readbyqxmd.com/read/28257470/rethinking-the-history-of-common-walnut-juglans-regia-l-in-europe-its-origins-and-human-interactions
#18
Paola Pollegioni, Keith Woeste, Francesca Chiocchini, Stefano Del Lungo, Marco Ciolfi, Irene Olimpieri, Virginia Tortolano, Jo Clark, Gabriel E Hemery, Sergio Mapelli, Maria Emilia Malvolti
Common walnut (Juglans regia L) is an economically important species cultivated worldwide for its high-quality wood and nuts. It is generally accepted that after the last glaciation J. regia survived and grew in almost completely isolated stands in Asia, and that ancient humans dispersed walnuts across Asia and into new habitats via trade and cultural expansion. The history of walnut in Europe is a matter of debate, however. In this study, we estimated the genetic diversity and structure of 91 Eurasian walnut populations using 14 neutral microsatellites...
2017: PloS One
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
#19
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/28191338/accelerated-burn-wound-closure-in-mice-with-a-new-formula-based-on-traditional-medicine
#20
Mehrnaz Mehrabani, Seyyed Mohsen Seyyedkazemi, Mohammad Hadi Nematollahi, Elham Jafari, Mitra Mehrabani, Mohammad Mehdipour, Zahra Sheikhshoaee, Ali Mandegary
BACKGROUND: A combination of the oils of sesame, hemp, wild pistachio, and walnut has been used for treatment of skin disorders, including wound burns, in some parts of Kerman, Iran. Evaluation of this remedy in the form of a pharmaceutical formulation in animal models can pave the way for its future application in wound burn healing in humans. OBJECTIVES: This experimental study investigated the healing potential of a new formula (NF) based on folk medicine from Iran for the treatment of third degree burns in mice...
November 2016: Iranian Red Crescent Medical Journal
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