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https://www.readbyqxmd.com/read/29333042/gas-chromatography-mass-spectrometry-profiling-in-methanolic-and-ethyl-acetate-root-and-stem-extract-of-corbichonia-decumbens-forssk-exell-from-thar-desert-of-rajasthan-india
#1
Sunita Arora, Manju Saini
Background: Corbichonia decumbens (Forssk.) Exell (Molluginaceae), recently has moved to Lophiocarpaceae as per angiospermic plant group (APG) III system, is an annual or short-lived, dwarf, glabrous subshrub, prefers to grow on rocky places and on sand-stones in dry, hot areas of Rajasthan. This is the potential plant with medicinal properties. Vegetative organs under study show antioxidant, anti-inflammatory, antiulcer, antimicrobial, and antinociception activity. Objective: This study was carried out to identify the phytoconstituents present in the methanolic and ethyl-acetate extract of root and stem of C...
December 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/29332284/measurement-of-hypersensitive-cell-death-triggered-by-avirulent-bacterial-pathogens-in-arabidopsis
#2
Zahra Imanifard, Elodie Vandelle, Diana Bellin
The hypersensitive response is one of the most powerful and complex defense reactions to survive to pathogen attacks during an incompatible plant-pathogen interaction. Local programmed cell death accompanies the hypersensitive response at the site of infection to prevent pathogen growth and spread. A precise quantitative assessment of this form of programmed cell death is essential to unravel the genetic and molecular mechanisms underlying the process. Here, we first describe the optimization of a Trypan Blue staining protocol for quantitatively measuring the HR-cell death in Arabidopsis...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29331934/characterization-and-release-profile-of-mn-al-bearing-deposits-in-drinking-water-distribution-systems
#3
Guiwei Li, Yuanxun Ding, Hongfu Xu, Junwei Jin, Baoyou Shi
Inorganic contaminants accumulation in drinking water distribution systems (DWDS) is a great threat to water quality and safety. This work assessed the main risk factors for different water pipes and discovered the release profile of accumulated materials in a full scale distribution system frequently suffered from water discoloration problem. Physicochemical characterization of pipe deposits were performed using X-ray fluorescence, scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy and Fourier transform infrared spectroscopy...
January 9, 2018: Chemosphere
https://www.readbyqxmd.com/read/29331540/plant-flowering-imposing-dna-specificity-on-histone-fold-subunits
#4
REVIEW
Nerina Gnesutta, Roberto Mantovani, Fabio Fornara
CONSTANS (CO) is a master regulator of flowering time, although the mechanisms underlying its role as a transcriptional regulator are not well understood. The DNA-binding domain of CO shares homology with that of NUCLEAR FACTOR YA (NF-YA), a subunit of the CCAAT-binding trimer NF-Y. Recent publications indicate that CO and its rice homolog HEADING DATE 1 (Hd1) form heterotrimers with the histone-fold subunits of NF-Y to efficiently bind promoter elements in the florigen genes. Differences in the DNA-binding specificities of NF-Y and NF-CO can be conceptualized based on our knowledge of the 3D structure of the NF-Y/CCAAT complex...
January 10, 2018: Trends in Plant Science
https://www.readbyqxmd.com/read/29331224/centrifugal-partition-chromatography-enables-selective-enrichment-of-trimeric-and-tetrameric-proanthocyanidins-for-biomaterial-development
#5
Rasika S Phansalkar, Joo-Won Nam, Shao-Nong Chen, James B McAlpine, Ariene A Leme, Berdan Aydin, Ana-Karina Bedran-Russo, Guido F Pauli
Proanthocyanidins (PACs) find wide applications for human use including food, cosmetics, dietary supplements, and pharmaceuticals. The chemical complexity associated with PACs has triggered the development of various chromatographic techniques, with countercurrent separation (CCS) gaining in popularity. This study applied the recently developed DESIGNER (Depletion and Enrichment of Select Ingredients Generating Normalized Extract Resources) approach for the selective enrichment of trimeric and tetrameric PACs using centrifugal partition chromatography (CPC)...
December 21, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/29330722/location-of-low-copy-genes-in-chromosomes-of-brachiaria-spp
#6
Thaís Furtado Nani, James C Schnable, Jacob D Washburn, Patrice Albert, Welison Andrade Pereira, Fausto Souza Sobrinho, James A Birchler, Vânia Helena Techio
Repetitive DNA sequences have been widely used in cytogenetic analyses. The use of gene sequences with a low-copy-number, however, is little explored especially in plants. To date, the karyotype details in Brachiaria spp. are limited to the location of rDNA sites. The challenge lies in developing new probes based on incomplete sequencing data for the genus or complete sequencing of related species, since there are no model species with a sequenced genome in Brachiaria spp. The present study aimed at the physical location of conserved genes in chromosomes of Brachiaria ruziziensis, Brachiaria brizantha, and Brachiaria decumbens using RNAseq data, as well as sequences of Setaria italica and Sorghum bicolor through the fluorescent in situ hybridization technique...
January 12, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/29329098/effect-of-organic-amendments-on-cadmium-stress-to-pea-a-multivariate-comparison-of-germinating-vs-young-seedlings-and-younger-vs-older-leaves
#7
Saliha Shamshad, Muhammad Shahid, Marina Rafiq, Sana Khalid, Camille Dumat, Muhammad Sabir, Behzad Murtaza, Abu Bakr Umer Farooq, Noor S Shah
Despite significant recent advancement in research, biogeochemical behavior of heavy metals with respect to their applied form is still topical. Moreover, metal toxicity to plants may vary with their stage of development/maturity. Therefore, this study for the first time evaluated the influence of ethylenediaminetetraacetic acid (EDTA) and citric acid (CA) on cadmium (Cd) accumulation and toxicity to germinating and young pea seedlings as well as in younger and older leaves. The experimental setup of current study consisted of two separate studies...
January 9, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29324349/organic-staining-on-bone-from-exposure-to-wood-and-other-plant-materials
#8
Corey R Pollock, James T Pokines, Jonathan D Bethard
Determining the depositional environment and the postmortem alterations to a set of remains are necessary aspects of a forensic investigation to explain the circumstances surrounding the death of an individual. The present study examines organic staining as a method for reconstructing the depositional environment of skeletal remains and the taphonomic agents with which they came into contact. Organic staining results largely from tannins leaching from plant materials and therefore can be seen on bone deposited in wooden coffin environments or on terrestrial surfaces...
December 21, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29323202/genome-based-classification-of-micromonosporae-with-a-focus-on-their-biotechnological-and-ecological-potential
#9
Lorena Carro, Imen Nouioui, Vartul Sangal, Jan P Meier-Kolthoff, Martha E Trujillo, Maria Del Carmen Montero-Calasanz, Nevzat Sahin, Darren Lee Smith, Kristi E Kim, Paul Peluso, Shweta Deshpande, Tanja Woyke, Nicole Shapiro, Nikos C Kyrpides, Hans-Peter Klenk, Markus Göker, Michael Goodfellow
There is a need to clarify relationships within the actinobacterial genus Micromonospora, the type genus of the family Micromonosporaceae, given its biotechnological and ecological importance. Here, draft genomes of 40 Micromonospora type strains and two non-type strains are made available through the Genomic Encyclopedia of Bacteria and Archaea project and used to generate a phylogenomic tree which showed they could be assigned to well supported phyletic lines that were not evident in corresponding trees based on single and concatenated sequences of conserved genes...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29321886/gap-formation-and-dynamics-after-long-term-steady-state-in-an-old-growth-picea-abies-stand-in-norway-above-and-belowground-interactions
#10
Per Holm Nygaard, Line Tau Strand, Arne Oddvar Stuanes
Stand dynamics and the gap initiation prior to gap formation are not well-understood because of its long-term nature and the scarcity of late-successional stands. Reconstruction of such disturbance is normally based on historical records and dendroecological methods. We investigated gap initiation and formation at the fine-scale stand level in the old-growth reserve of Karlshaugen in Norway. Given its long-term conservation history, and thorough mapping in permanent marked plots with spatially referenced trees, it provides an opportunity to present stand development before, during, and after gap formation...
January 2018: Ecology and Evolution
https://www.readbyqxmd.com/read/29320571/inhibitory-effect-and-possible-mechanism-of-a-pseudomonas-strain-qba5-against-gray-mold-on-tomato-leaves-and-fruits-caused-by-botrytis-cinerea
#11
Pan Gao, Jiaxing Qin, Delong Li, Shanyue Zhou
The fungal pathogen Botrytis cinerea causes gray mold disease on various hosts, which results in serious economic losses. Over the past several decades, many kinds of fungicides have been used to successfully control the disease. Meanwhile, the uses of fungicides lead to environmental pollution as well as a potential threat to the human health by the chemical residues in tomato fruit. Also, the gray mold disease is difficult to control with fungicides. Therefore, exploring alternative measures such as biological controls could be the best choice to control the disease and alleviate damages caused by fungicides...
2018: PloS One
https://www.readbyqxmd.com/read/29320449/changing-trends-in-nutritional-behavior-among-university-students-in-greece-between-2006-and-2016
#12
Charikleia Kyrkou, Foteini Tsakoumaki, Maria Fotiou, Aristea Dimitropoulou, Maria Symeonidou, Georgios Menexes, Costas G Biliaderis, Alexandra-Maria Michaelidou
The objective of the present survey was to study the dietary behavior of university students residing away from the family home. In this context, we (a) compared their dietary habits in two time periods, namely 2006 and 2016; and (b) explored the possible impact of gender on the behavioral changes in nutritional choices. A total of four hundred and five university students (2006, n = 242; 2016, n = 163) participated in the study. Dietary assessment was carried out using a qualitative Food Frequency Questionnaire, while data about demographic and lifestyle factors were also collected...
January 10, 2018: Nutrients
https://www.readbyqxmd.com/read/29316505/molecular-dissection-of-distinct-symptoms-induced-by-tomato-chlorosis-virus-and-tomato-yellow-leaf-curl-virus-based-on-comparative-transcriptome-analysis
#13
Jang-Kyun Seo, Mi-Kyeong Kim, Hae-Ryun Kwak, Hong-Soo Choi, Moon Nam, Junkyoung Choe, Boram Choi, Soo-Jung Han, Jin-Ho Kang, Choonkyun Jung
The viral infection of plants may cause various physiological symptoms associated with the reprogramming of plant gene expression. However, the molecular mechanisms and associated genes underlying disease symptom development in plants infected with viruses are largely unknown. In this study, we employed RNA sequencing for in-depth molecular characterization of the transcriptional changes associated with the development of distinct symptoms induced by tomato chlorosis virus (ToCV) and tomato yellow leaf curl virus (TYLCV) in tomato...
January 6, 2018: Virology
https://www.readbyqxmd.com/read/29316306/information-retrieval-for-systematic-reviews-in-food-and-feed-topics-a-narrative-review
#14
Hannah Wood, Annette O'Connor, Jan Sargeant, Julie Glanville
INTRODUCTION: Systematic review methods are now being used for reviews of food production, food safety and security, plant health, and animal health and welfare. Information retrieval methods in this context have been informed by human healthcare approaches and ideally should be based on relevant research and experience. OBJECTIVE: This narrative review seeks to identify and summarise current research-based evidence and experience on information retrieval for systematic reviews in food and feed topics...
January 9, 2018: Research Synthesis Methods
https://www.readbyqxmd.com/read/29315599/influence-of-the-drying-method-on-the-bioactive-compounds-and-pharmacological-activities-of-rhubarb
#15
Jiachen Sun, Yueting Wu, Shengjie Dong, Xia Li, Wenyuan Gao
BACKGROUND: Raw rhubarb samples that have been subjected to different drying procedures will have different therapeutic effects possibly due to processing-induced variations in the chemical composition. In the present work, the fresh materials were processed by smoking, sun-drying, shade-drying and oven-drying at low, moderate and high temperatures. To facilitate the selection of a suitable drying method for rhubarb, the quality of rhubarb processed under various drying conditions was evaluated based on the simultaneous determination of multiple bioactive constituents in combination with bioactivity assays...
January 9, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29313970/small-genome-separates-native-and-invasive-populations-in-an-ecologically-important-cosmopolitan-grass
#16
Petr Pyšek, Hana Skálová, Jan Čuda, Wen-Yong Guo, Jan Suda, Jan Doležal, Ondřej Kauzál, Carla Lambertini, Magdalena Lučanová, Terezie Mandáková, Lenka Moravcová, Klára Pyšková, Hans Brix, Laura A Meyerson
The literature suggests that small genomes promote invasion in plants, but little is known about the interaction of genome size with other traits or about the role of genome size during different phases of the invasion process. By intercontinental comparison of native and invasive populations of the common reed Phragmites australis, we revealed a distinct relationship between genome size and invasiveness at the intraspecific level. Monoploid genome size was the only significant variable that clearly separated the North American native plants from those of European origin...
January 2018: Ecology
https://www.readbyqxmd.com/read/29306799/purine-salvage-in-plants
#17
REVIEW
Hiroshi Ashihara, Claudio Stasolla, Tatsuhito Fujimura, Alan Crozier
Purine bases and nucleosides are produced by turnover of nucleotides and nucleic acids as well as from some cellular metabolic pathways. Adenosine released from the S-adenosyl-L-methionine cycle is linked to many methyltransferase reactions, such as the biosynthesis of caffeine and glycine betaine. Adenine is produced by the methionine cycles, which is related to other biosynthesis pathways, such those for the production of ethylene, nicotianamine and polyamines. These purine compounds are recycled for nucleotide biosynthesis by so-called "salvage pathways"...
January 4, 2018: Phytochemistry
https://www.readbyqxmd.com/read/29306783/effects-of-the-addition-and-aging-of-humic-acid-based-amendments-on-the-solubility-of-cd-in-soil-solution-and-its-accumulation-in-rice
#18
Yao Yu, Yanan Wan, Aboubacar Younoussa Camara, Huafen Li
Humic substances can reduce mobility and bio-accessibility of Cd in soil and therefore inhibit its uptake by rice, which is a major source of human Cd intake. Yet, the effects of aging humic substances are not fully understood. A rice pot experiment was conducted to evaluate the effects of humic acid-based amendments on the mobility of Cd in soil solution and its uptake by rice when amendments were freshly added or aged for 130 d. The results showed that the aged and the unaged amendments generally decreased Cd concentration in soil solution, but the effect declined with time...
January 2, 2018: Chemosphere
https://www.readbyqxmd.com/read/29305175/an-overview-of-anti-diabetic-plants-used-in-gabon-pharmacology-and-toxicology
#19
REVIEW
B Bading Taika, M Bouckandou, A Souza, H P Bourobou Bourobou, L MacKenzie, L Lione
ETHNOPHARMACOLOGICAL RELEVANCE: The management of diabetes mellitus management in African communities, especially in Gabon, is not well established as more than 60% of population rely on traditional treatments as primary healthcare. The aim of this review was to collect and present the scientific evidence for the use of medicinal plants that are in currect by Gabonese traditional healers to manage diabetes or hyperglycaemia based here on the pharmacological and toxicological profiles of plants with anti-diabetic activity are presented in order to promote their therapeutic value, ensure a safer use by population and provide some bases for further study on high potential plants reviewed...
January 2, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29305129/pilot-randomized-controlled-trial-of-a-home-vegetable-gardening-intervention-among-older-cancer-survivors-shows-feasibility-satisfaction-and-promise-in-improving-vegetable-and-fruit-consumption-reassurance-of-worth-and-the-trajectory-of-central-adiposity
#20
Wendy Demark-Wahnefried, Mallory G Cases, Alan B Cantor, Andrew D Frugé, Kerry P Smith, Julie Locher, Harvey J Cohen, Yuko Tsuruta, Michael Daniel, Rishabh Kala, Jennifer F De Los Santos
BACKGROUND: Holistic approaches are sought to improve lifestyle behaviors and health of cancer survivors long term. OBJECTIVE: Our aim was to explore whether a home-based vegetable gardening intervention is feasible and whether it improves diet and other health-related outcomes among older cancer survivors. DESIGN: We conducted a feasibility trial in which cancer survivors were randomized to receive a year-long gardening intervention immediately or to a wait-list control arm...
January 2, 2018: Journal of the Academy of Nutrition and Dietetics
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