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https://www.readbyqxmd.com/read/28214944/the-vascular-plants-open-system-of-growth
#1
REVIEW
Alice Basile, Marco Fambrini, Claudio Pugliesi
What is fascinating in plants (true also in sessile animals such as corals and hydroids) is definitely their open and indeterminate growth, as a result of meristematic activity. Plants as well as animals are characterized by a multicellular organization, with which they share a common set of genes inherited from a common eukaryotic ancestor; nevertheless, circa 1.5 billion years of evolutionary history made the two kingdoms very different in their own developmental biology. Flowering plants, also known as angiosperms, arose during the Cretaceous Period (145-65 million years ago), and up to date, they count around 235,000 species, representing the largest and most diverse group within the plant kingdom...
February 18, 2017: Development Genes and Evolution
https://www.readbyqxmd.com/read/28214626/green-synthesis-of-a-novel-flower-like-cerium-vanadate-microstructure-for-electrochemical-detection-of-tryptophan-in-food-and-biological-samples
#2
J Vinoth Kumar, R Karthik, Shen-Ming Chen, S Marikkani, A Elangovan, V Muthuraj
In this present investigation, we introduced a novel electrochemical sensor for the detection of tryptophan (TRP) based on green pompoms flower-like cerium vanadate (CeVO4). The flower-like CeVO4 microstructure was prepared by the simple hydrothermal treatment with the assistance of urea for the first time. The as-prepared flower-like CeVO4 microstructure was characterized by various analytical and spectroscopic techniques such as X-ray diffraction, Raman spectroscopy fourier transform infrared spectroscopy, scanning electron microscopy and energy-dispersive X-ray spectroscopy studies...
February 9, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28214539/lumbee-traditional-medicine-neuroprotective-activities-of-medicinal-plants-used-to-treat-parkinson-s-disease-related-symptoms
#3
Aurélie de Rus Jacquet, Michael Timmers, Sin Ying Ma, Andrew Thieme, George P McCabe, Jay Hansford C Vest, Mary Ann Lila, Jean-Christophe Rochet
ETHNOPHARMACOLOGICAL RELEVANCE: Parkinson's disease (PD) is a neurodegenerative disorder characterized by a loss of dopaminergic neurons in the substantia nigra pars compacta and the presence in surviving neurons of Lewy body inclusions enriched with aggregated forms of the presynaptic protein α-synuclein (aSyn). Although current therapies provide temporary symptomatic relief, they do not slow the underlying neurodegeneration in the midbrain. In this study, we analyzed contemporary herbal medicinal practices used by members of the Lumbee tribe to treat PD-related symptoms, in an effort to identify safe and effective herbal medicines to treat PD...
February 15, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28214361/identification-of-arabidopsis-genic-and-non-genic-promoters-by-paired-end-sequencing-of-tss-tags
#4
Mutsutomo Tokizawa, Kazutaka Kusunoki, Hiroyuki Koyama, Atsushi Kurotani, Tetsuya Sakurai, Yutaka Suzuki, Tomoaki Sakamoto, Tetsuya Kurata, Yoshiharu Y Yamamoto
Information about transcription start sites (TSSs) provides foundational data for analyses of promoter architecture. In this report, we used paired- and single-end deep sequencing to analyze Arabidopsis TSS tags from several libraries prepared from roots, shoots, flowers, and etiolated seedlings. The clustering of approximately 33 million mapped TSS tags led to the identification of 324,461 promoters that covered 79.7% (21,672/27,206) of protein-coding genes in the Arabidopsis genome. In addition, we identified intragenic, antisense, and Orphan promoters that were not associated with any gene models...
February 18, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28213213/titanium-iv-ion-modified-covalent-organic-frameworks-for-specific-enrichment-of-phosphopeptides
#5
Heping Wang, Fenglong Jiao, Fangyuan Gao, Yayao Lv, Qiong Wu, Yan Zhao, Yehua Shen, Yangjun Zhang, Xiaohong Qian
To date, plenty of new alternative materials for phosphopeptides enrichment prior to mass spectrometry (MS) analysis appear, especially immobilized metal ion affinity chromatography (IMAC) materials. The variable combinations with different metal ions, chelating ligands and solid supports offer full of optionality for IMAC. However, further improvement was predicted by the tedious and complex synthetic process. In this work, a novel covalent organic framework (COF)-based IMAC material (denoted TpPa-2-Ti(4+)) was prepared simply by direct immobilizing Ti (IV) into TpPa-2 COFs without any extra chelating ligands...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28212458/chemical-composition-variability-of-essential-oils-of-daucus-gracilis-steinh-from-algeria
#6
Batoul Benyelles, Hocine Allali, Mohamed El Amine Dib, Nassim Djabou, Julien Paolini, Jean Costa
The chemical compositions of 20 Algerian Daucus gracilis essential oils were investigated using GC-FID, GC/MS, and NMR analyses. Altogether, 47 compounds were identified, accounting for 90-99% of the total oil compositions. The main components were linalool (18; 12.5-22.6%), 2-methylbutyl 2-methylbutyrate (20; 9.2-20.2%), 2-methylbutyl isobutyrate (10; 4.2-12.2%), ammimajane (47; 2.6-37.1%), (E)-β-ocimene (15; 0.2-12.8%) and 3-methylbutyl isovalerate (19; 3.3-9.6%). The chemical composition of the essential oils obtained from separate organs was also studied...
February 17, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28212370/the-evolution-of-allogeneic-stem-cell-transplant-for-children-and-adolescents-with-acute-myeloid-leukemia
#7
Allyson Flower, Mitchell S Cairo
Survival rates in subsets of pediatric patients who have acute myeloid leukemia (AML) with favorable risk features are now greater than 90%. However, outcomes for patients with high-risk (HR) features remain unacceptably poor. As novel technologies for the identification of HR biomarkers and the detection of residual disease are developed, risk stratification and the application of allogeneic hematopoietic stem cell transplant (HSCT) are evolving. HSCT has been shown to benefit subpopulations of pediatric patients with AML, including those with HR cytogenetic translocations, genetic mutations, and/or residual disease after induction...
January 2017: Clinical Advances in Hematology & Oncology: H&O
https://www.readbyqxmd.com/read/28208805/defense-responses-in-grapevine-cv-mourv%C3%A3-dre-after-inoculation-with-the-botryosphaeria-dieback-pathogens-neofusicoccum-parvum-and-diplodia-seriata-and-their-relationship-with-flowering
#8
Alessandro Spagnolo, Vincenzo Mondello, Philippe Larignon, Sandra Villaume, Fanja Rabenoelina, Christophe Clément, Florence Fontaine
As a result of the increasing economic impact of grapevine trunk diseases on viticulture worldwide, efficient and viable control strategies are urgently needed. However, understanding both plant-pathogen interactions and plant physiological changes related to these diseases is fundamental to such an achievement. In this study, we analyzed the effect of inoculation with the Botryosphaeria dieback fungal agents, Neofusicoccum parvum and Diplodia seriata, with and without inflorescence removal at the onset of G stage (separated clusters), I stage (flowering) and M stage (veraison)...
February 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28208139/mri-based-neuroanatomical-predictors-of-dysphagia-dysarthria-and-aphasia-in-patients-with-first-acute-ischemic-stroke%C3%A2
#9
Heather L Flowers, Mohammed A AlHarbi, David Mikulis, Frank L Silver, Elizabeth Rochon, David Streiner, Rosemary Martino
BACKGROUND: Due to the high post-stroke frequency of dysphagia, dysarthria, and aphasia, we developed comprehensive neuroanatomical, clinical, and demographic models to predict their presence after acute ischemic stroke. METHODS: The sample included 160 randomly selected first-ever stroke patients with confirmed infarction on magnetic resonance imaging from 1 tertiary stroke center. We documented acute lesions within 12 neuroanatomical regions and their associated volumes...
February 16, 2017: Cerebrovascular Diseases Extra
https://www.readbyqxmd.com/read/28208089/low-dose-toxicity-of-biogenic-silver-nanoparticles-fabricated-by-swertia-chirata-on-root-tips-and-flower-buds-of-allium-cepa
#10
Nirlipta Saha, S Dutta Gupta
Chemically synthesized silver nanoparticles (chem-AgNPs) have been assessed extensively to show adverse effects on plant cells but the role of biologically synthesized nanoparticles (bio-AgNPs) at lower concentrations and their toxicological impact on plant cells have not been sufficiently studied. In this study, bio-AgNPs were prepared using aqueous leaf extracts of Swertia chirata. This AgNPs showed absorption peak at 440nm of the visible spectrum. TEM analysis revealed that the average size of AgNPs were 20nm and mainly spherical in shape...
February 9, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28207889/genetic-variation-of-maturity-groups-and-four-e-genes-in-the-chinese-soybean-mini-core-collection
#11
Jicun Li, Xiaobo Wang, Wenwen Song, Xinyang Huang, Jing Zhou, Haiyan Zeng, Shi Sun, Hongchang Jia, Wenbin Li, Xinan Zhou, Suzhen Li, Pengyin Chen, Cunxiang Wu, Yong Guo, Tianfu Han, Lijuan Qiu
The mini core collection (MCC) has been established by streamlining core collection (CC) chosen from China National Genebank including 23,587 soybean (Glycine max) accessions by morphological traits and simple sequence repeat (SSR) markers. Few studies have been focused on the maturity that has been considered as one of the most critical traits for the determination of the adaptation-growing region of the soybean. In the current study, two hundred and ninty-nine accessions of MCC planted for two years at four locations namely in Heihe, Harbin, Jining and Wuhan cities in China were used to assess the variation of maturity in MCC and identify the integrated effect of 4 E loci on flowering and maturity time in soybean...
2017: PloS One
https://www.readbyqxmd.com/read/28207408/evaluation-of-cannabinoids-concentration-and-stability-in-standardized-preparations-of-cannabis-tea-and-cannabis-oil-by-ultra-high-performance-liquid-chromatography-tandem-mass-spectrometry
#12
Roberta Pacifici, Emilia Marchei, Francesco Salvatore, Luca Guandalini, Francesco Paolo Busardò, Simona Pichini
BACKGROUND: Cannabis has been used since ancient times to relieve neuropathic pain, to lower intraocular pressure, to increase appetite and finally to decrease nausea and vomiting. The combination of the psychoactive cannabis alkaloid Δ9-tetrahydrocannabinol (THC) with the non-psychotropic alkaloids cannabidiol (CBD) and cannabinol (CBN) demonstrated a higher activity than THC alone. The Italian National Institute of Health sought to establish conditions and indications on how to correctly use nationally produced cannabis to guarantee therapeutic continuity in individuals treated with medical cannabis...
February 16, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28205632/using-dna-metabarcoding-to-investigate-honey-bee-foraging-reveals-limited-flower-use-despite-high-floral-availability
#13
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/28205316/novel-polymeric-monolith-materials-with-a-%C3%AE-cyclodextrin-graphene-composite-for-the-highly-selective-extraction-of-methyl-jasmonate
#14
Xinhong Yu, Xu Ling, Li Zou, Zilin Chen
A novel polymeric monolith column with a β-cyclodextrins-graphene composite was prepared for extraction of methyl jasmonate. A simple, sensitive and effective polymeric monolith microextraction with high-performance liquid chromatography method has been presented for the determination. To carry out the best microextraction efficiency, several parameters such as sample flow rate, sample volume and sample pH value were systematically optimized. In addition, the method validation showed a wide linear range of 5-2000 ng mL(-) ¹, with a good linearity and the low limits of detection for methyl jasmonate...
February 16, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28204895/complete-nucleotide-sequence-of-solanum-nodiflorum-mottle-virus
#15
Merike Sõmera, Erkki Truve
Solanum nodiflorum mottle virus (SNMoV) was isolated from a small-flowered nightshade (Solanum nodiflorum) in Queensland, Australia. It has been included in the genus Sobemovirus based on virion morphology and serological relationships. Here, we report the sequence of the complete genome of SNMoV. Sequence analysis confirmed that SNMoV has the characteristic genome organization of sobemoviruses. Phylogenetic analysis showed that it clusters most closely with velvet tobacco mottle virus (VTMoV), another sobemovirus native to Australia...
February 15, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28204816/antioxidant-and-cytoprotective-effects-of-morin-against-hydrogen-peroxide-induced-oxidative-stress-are-associated-with-the-induction-of-nrf-2%C3%A2-mediated-ho-1-expression-in-v79-4-chinese-hamster-lung-fibroblasts
#16
Moon Hee Lee, Hee-Jae Cha, Eun Ok Choi, Min Ho Han, Sung Ok Kim, Gi-Young Kim, Su Hyun Hong, Cheol Park, Sung-Kwon Moon, Soon-Jeong Jeong, Moon-Jin Jeong, Wun-Jae Kim, Yung Hyun Choi
Natural phytochemicals of plant origin, including flavonoids, have been found to be potent antioxidants providing beneficial effects against oxidative stress-related diseases. The present study was carried out to investigate the antioxidant properties of morin, a flavonoid originally isolated from the flowering plants of the Moraceae family. Superoxide dismutase (SOD)‑like activity and 2,2'‑azino‑bis‑(3‑ethylbenzothiazoline‑6‑sulfonic acid) (ABTS•+) radical scavenging activity were determined...
March 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28204655/chemical-control-of-flowering-time
#17
Irina Alexandra Ionescu, Birger Lindberg Møller, Raquel Sánchez-Pérez
No abstract text is available yet for this article.
January 1, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28204578/the-acyl-activating-enzyme-phaae13-is-an-alternative-enzymatic-source-of-precursors-for-anthocyanin-biosynthesis-in-petunia-flowers
#18
Guoju Chen, Heping Liu, Qian Wei, Huina Zhao, Juanxu Liu, Yixun Yu
No abstract text is available yet for this article.
January 1, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28204535/interactions-between-floral-organ-number4-and-floral-homeotic-genes-in-regulating-rice-flower-development
#19
Wei Xu, Juhong Tao, Mingjiao Chen, Ludovico Dreni, Zhijing Luo, Yun Hu, Wanqi Liang, Dabing Zhang
No abstract text is available yet for this article.
January 1, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28204510/post-translational-modifications-of-flowering-locus-c-modulate-its-activity
#20
Jun Soo Kwak, Ga Hyun Son, Jong Tae Song, Hak Soo Seo
No abstract text is available yet for this article.
January 1, 2017: Journal of Experimental Botany
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