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https://www.readbyqxmd.com/read/29786924/reproductive-ecology-of-ocotea-catharinensis-an-endangered-tree-species
#1
Tiago Montagna, Juliano Zago da Silva, Tiago Georg Pickart, Maurício Sedrez Dos Reis
Ocotea catharinensis (Lauraceae) is an endangered tree species from the Brazilian Atlantic Rainforest. Currently, little is known about the reproductive ecology of this species. Aiming to propose conservation measures, we described aspects related to phenology, floral biology, pollination, seed dispersal, and mating system of O. catharinensis. We conducted phenological observations in 62 individuals for two years. In one reproductive event, we evaluated nectar production, stigmatic receptivity, and pollen viability...
May 22, 2018: Plant Biology
https://www.readbyqxmd.com/read/29786649/kudzu-leaf-extract-suppresses-the-production-of-inducible-nitric-oxide-synthase-cyclooxygenase-2-tumor-necrosis-factor-alpha-and-interleukin-6-via-inhibition-of-jnk-tbk1-and-stat1-in-inflammatory-macrophages
#2
Seok Hyun Eom, So-Jung Jin, Hee-Yeong Jeong, Youngju Song, You Jin Lim, Jong-In Kim, Youn-Hyung Lee, Hee Kang
Kudzu ( Pueraria montana var. lobata (Willd.) Sanjappa & Pradeep) is a perennial leguminous vine, and its root and flower have been used for herbal medicine in Asia for a long time. Most dietary flavonoids are reported to be concentrated in its root, not in its aerial parts including leaves. In this study, we investigated whether kudzu leaf and its major constituent, robinin (kaempferol-3- O -robinoside-7- O -rhanmoside) possessed anti-inflammatory activity. To test this hypothesis, we used peritoneal macrophages isolated from BALB/c mice and stimulated the cells with lipopolysaccharide (LPS) or LPS plus interferon (IFN)-γ...
May 22, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29785868/a-bowel-of-flowers
#3
Despoina D Kakagia, Alexandra Tsaroucha, Maria Lambropoulou
No abstract text is available yet for this article.
May 1, 2018: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29785769/distinct-hypericum-perforatum-l-total-extracts-exert-different-antitumour-activity-on-erythroleukemic-k562-cells
#4
Elena Valletta, Annamaria Rinaldi, Mario Marini, Ornella Franzese, Gianna Roscetti
Total flower extracts of Hypericum perforatum L. obtained with 3 different solvent systems were tested on tumour cell line cultures by comparing two groups of plants harvested in different times and places. The extracts, characterized according to the spectroscopic profile and the hypericin content, were tested on the growth and apoptotic death of K562 cells, a human erythroleukemic cell line. Growth and apoptosis were analysed by viable cell count, flow cytometry, and fluorescence microscopy at 6, 24, and 48 hr of culture following 1 hr exposure to the extracts under investigation...
May 22, 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29785768/a-blooming-interest-in-the-hydraulic-traits-of-flowers
#5
Sean M Gleason
No abstract text is available yet for this article.
May 21, 2018: Plant, Cell & Environment
https://www.readbyqxmd.com/read/29785355/identification-and-expression-analysis-of-cytokinin-metabolic-genes-ipts-cyp735a-and-ckxs-in-the-biofuel-plant-jatropha-curcas
#6
Li Cai, Lu Zhang, Qiantang Fu, Zeng-Fu Xu
The seed oil of Jatropha curcas is considered a potential bioenergy source that could replace fossil fuels. However, the seed yield of Jatropha is low and has yet to be improved. We previously reported that exogenous cytokinin treatment increased the seed yield of Jatropha . Cytokinin levels are directly regulated by isopentenyl transferase (IPT), cytochrome P450 monooxygenase, family 735, subfamily A (CYP735A), and cytokinin oxidase/dehydrogenase (CKX). In this study, we cloned six IPT genes, one JcCYP735A gene, and seven JcCKX genes...
2018: PeerJ
https://www.readbyqxmd.com/read/29785194/genus-spondias-a-phytochemical-and-pharmacological-review
#7
REVIEW
Salma Sameh, Eman Al-Sayed, Rola M Labib, Abdel Nasser Singab
It is believed that many degenerative diseases are due to oxidative stress. In view of the limited drugs available for treating degenerative diseases, natural products represent a promising therapeutic strategy in the search for new and effective candidates for treating degenerative diseases. This review focuses on the genus Spondias which is widely used in traditional medicine for the treatment of many diseases. Spondias is a genus of flowering plants belonging to the cashew family (Anacardiaceae). This genus comprises 18 species distributed across tropical regions in the world...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29785177/characterization-of-new-microsatellite-markers-based-on-the-transcriptome-sequencing-of-clematis-finetiana
#8
Zhigao Liu, Weili Shao, Yamei Shen, Mengcheng Ji, Wenchao Chen, Ying Ye, Yongbao Shen
Background: Clematis is the biggest genus in the family Ranunculaceae with about 300 species. Clematis is also a globally important commercial group of flowers, especially in the United States and European countries. Their petals with different colors and shapes make the genus the "Queen of the Vines". However, the genomic information and phylogeny of Clematis based on existing molecular studies are limited. In this paper, new microsatellites (SSR) markers were identified from the transcriptome data of C...
2018: Hereditas
https://www.readbyqxmd.com/read/29784801/consistent-and-powerful-non-euclidean-graph-based-change-point-test-with-applications-to-segmenting-random-interfered-video-data
#9
Xiaoping Shi, Yuehua Wu, Calyampudi Radhakrishna Rao
The change-point detection has been carried out in terms of the Euclidean minimum spanning tree (MST) and shortest Hamiltonian path (SHP), with successful applications in the determination of authorship of a classic novel, the detection of change in a network over time, the detection of cell divisions, etc. However, these Euclidean graph-based tests may fail if a dataset contains random interferences. To solve this problem, we present a powerful non-Euclidean SHP-based test, which is consistent and distribution-free...
May 21, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29784388/tremella-like-znin-2-s-4-graphene-composite-based-photoelectrochemical-sensor-for-sensitive-detection-of-dopamine
#10
Huili Ye, Hao Wang, Bihong Zhang, Faqiong Zhao, Baizhao Zeng
Tremella-like ZnIn2 S4 (ZISt) and flower-like microsphere ZnIn2 S4 (ZISm) were synthesized via a straightforward hydrothermal method. It was found that the ZISt was superior to ZISm for photoelectrochemical (PEC) sensing because of its large surface area and high photocatalytic activity. A composite of ZISt and graphene (GR) was prepared and used for the PEC sensing of dopamine (DA). Here DA acted as an electron donor to scavenge the hole and inhibit the charge recombination. The GR enhanced visible light absorption and accelerated electron transfer, amplifying the photocurrent signal...
August 15, 2018: Talanta
https://www.readbyqxmd.com/read/29781796/starmerella-reginensis-f-a-sp-nov-and-starmerella-kourouensis-f-a-sp-nov-isolated-from-flowers-in-french-guiana
#11
Tiemele Laurent Simon Amoikon, Cécile Grondin, Théodore N'Dédé Djéni, Noémie Jacques, Serge Casaregola
Analysis of yeasts isolated from various biotopes in French Guiana led to the identification of two strains isolated from flowers and designated CLIB 1634T and CLIB 1707T . Comparison of the D1/D2 domain of the large subunit (LSU D1/D2) rRNA gene sequences of CLIB 1634T and CLIB 1707T to those in the GenBank database revealed that these strains belong to the Starmerella clade. Strain CLIB 1634T was shown to diverge from the closely related Starmerella apicola type strain CBS 2868T with a sequence divergence of 1...
May 21, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29781296/variation-in-essential-oil-composition-of-teucrium-hircanicum-l-from-iran-a-rich-source-of-e-%C3%AE-bergamotene
#12
Mohammad Ali Rahimi, Vahideh Nazeri, Seyed Ali Andi, Fatemeh Sefidkon
In present work, the chemical composition of the essential oils obtained from dried flowering aerial parts of Teucrium hircanicum L. (Labiatae) originated from ten wild populations in Iran was analyzed by a GC-FID and GC/MS system. The oil yields varied from 0.04% to 0.1%. A total of thirty-two compounds representing 67.6-97.7% of the oil were identified. The essential oil was found to be rich in sesquiterpene hydrocarpons (E)-α-bergamotene (17.5-86.9%) and (E)-β-farnesene (0.5-21.4%). Of the total identified compounds, sesquiterpene hydrocarpons (36...
May 21, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29781136/physcomitrella-patens-max2-characterization-suggests-an-ancient-role-for-this-f-box-protein-in-photomorphogenesis-rather-than-strigolactone-signalling
#13
Mauricio Lopez-Obando, Ruan de Villiers, Beate Hoffmann, Linnan Ma, Alexandre de Saint Germain, Jens Kossmann, Yoan Coudert, C Jill Harrison, Catherine Rameau, Paul Hills, Sandrine Bonhomme
Strigolactones (SLs) are key hormonal regulators of flowering plant development and are widely distributed amongst streptophytes. In Arabidopsis, SLs signal via the F-box protein MORE AXILLARY GROWTH2 (MAX2), affecting multiple aspects of development including shoot branching, root architecture and drought tolerance. Previous characterization of a Physcomitrella patens moss mutant with defective SL synthesis supports an ancient role for SLs in land plants, but the origin and evolution of signalling pathway components are unknown...
May 21, 2018: New Phytologist
https://www.readbyqxmd.com/read/29780891/mind-body-skills-training-for-resident-wellness-a-pilot-study-of-a-brief-mindfulness-intervention
#14
Laura E Romcevich, Suzanne Reed, Stacy R Flowers, Kathi J Kemper, John D Mahan
Background: Interventions to address burnout include mind-body skills training (MBST), but few studies have evaluated the feasibility of MBST for busy pediatric residents. Objective: In this pilot study, we tested the feasibility of a brief MBST intervention, using in-person peer-led training supported by online modules, to decrease stress and burnout in pediatric resident physicians. Methods: Of 99 (10%) residents, 10 residents at Nationwide Children's Hospital in Ohio participated in up to four 90-minute MBST sessions more than 1 month, led by a co-resident with 5 years of informal training in mind-body skills...
January 2018: Journal of Medical Education and Curricular Development
https://www.readbyqxmd.com/read/29780400/led-lighting-modification-of-growth-metabolism-yield-and-flour-composition-in-wheat-by-spectral-quality-and-intensity
#15
István Monostori, Márk Heilmann, Gábor Kocsy, Marianna Rakszegi, Mohamed Ahres, Susan B Altenbach, Gabriella Szalai, Magda Pál, Dávid Toldi, Livia Simon-Sarkadi, Noémi Harnos, Gábor Galiba, Éva Darko
The use of light-emitting diode (LED) technology for plant cultivation under controlled environmental conditions can result in significant reductions in energy consumption. However, there is still a lack of detailed information on the lighting conditions required for optimal growth of different plant species and the effects of light intensity and spectral composition on plant metabolism and nutritional quality. In the present study, wheat plants were grown under six regimens designed to compare the effects of LED and conventional fluorescent lights on growth and development, leaf photosynthesis, thiol and amino acid metabolism as well as grain yield and flour quality of wheat...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29780395/genetic-analysis-of-fusarium-head-blight-resistance-in-cimmyt-bread-wheat-line-c615-using-traditional-and-conditional-qtl-mapping
#16
Xin Yi, Jingye Cheng, Zhengning Jiang, Wenjing Hu, Tongde Bie, Derong Gao, Dongsheng Li, Ronglin Wu, Yuling Li, Shulin Chen, Xiaoming Cheng, Jian Liu, Yong Zhang, Shunhe Cheng
Fusarium head blight (FHB) is a destructive wheat disease present throughout the world, and host resistance is an effective and economical strategy used to control FHB. Lack of adequate resistance resource is still a main bottleneck for FHB genetics and wheat breeding research. The synthetic-derived bread wheat line C615, which does not carry the Fhb1 gene, is a promising source of FHB resistance for breeding. A population of 198 recombinant inbred lines (RILs) produced by crossing C615 with the susceptible cultivar Yangmai 13 was evaluated for FHB response using point and spray inoculations...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29780273/ectopic-ring-zinc-finger-gene-from-hot-pepper-induces-totally-different-genes-in-lettuce-and-tobacco
#17
Mahipal Singh Kesawat, Dong Kyun Kim, Naheed Zeba, Mi Chung Suh, Xinli Xia, Choo Bong Hong
Advances in molecular biology have improved crops through transferring genes from one organism to new hosts, and these efforts have raised concerns about potential unexpected outcomes. Here, we provide evidence that a gene with a specific function in one organism can yield completely different effects in a new host. CaRZFP1 is a C3HC4-type RING zinc finger protein gene previously isolated from a cDNA library for heat-stressed hot pepper. In our previous work investigating in vivo CaRZFP1 function, we transferred CaRZFP1 into tobacco; transgenic tobacco exhibited enhanced growth and tolerance to abiotic stresses...
2018: Molecular Breeding: New Strategies in Plant Improvement
https://www.readbyqxmd.com/read/29780002/whole-genome-sequencing-algorithm-for-blood-group-typing
#18
Robert Flower, Eileen Roulis, Catherine Hyland
No abstract text is available yet for this article.
May 17, 2018: Lancet Haematology
https://www.readbyqxmd.com/read/29779365/hierarchical-metal-organic-framework-assembled-membrane-filter-for-efficient-removal-of-particulate-matter
#19
Won-Tae Koo, Ji-Soo Jang, Shaopeng Qiao, Wontae Hwang, Gaurav Jha, Reginald M Penner, Il-Doo Kim
Here, we propose heterogeneous nucleation assisted hierarchical growth of metal-organic framework (MOF) for efficient particulate matter (PM) removal. The assembly of 2-dimensional (2D) Zn based zeolite imidazole framework (2D-ZIF-L) in deionized water over a period time produced hierarchical ZIF-L (H-ZIF-L) on hydrophilic substrates. During the assembly, the 2nd nucleation and growth of ZIF-L occurred on the surface of 1st ZIF-L, leading to the formation of flower-like H-ZIF-L on the substrate. The flower-like H-ZIF-L was easily synthesized on various substrates, including glass, polyurethane 3D foam, nylon microfibers, and non-woven fabrics...
May 21, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29778953/multipath-fabrication-of-hierarchical-cual-layered-double-hydroxide-carbon-fiber-composites-for-the-degradation-of-ammonia-nitrogen
#20
Xiaoming Peng, Min Wang, Fengping Hu, Fengxian Qiu, Tao Zhang, Hongling Dai, Zan Cao
In this work, a series of flower-like CuAl layered double hydroxides (LDHs) and hierarchical CuAl/carbon fiber-LDH (CuAl/CF-LDH) materials were synthesized, and these materials were used as catalysts for the degradation of ammonia nitrogen from simulated wastewater. The morphologies and structures of the materials were characterized using scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, Raman spectroscopy (RS), X-ray diffraction (XRD), and the Brunauer-Emmett-Teller (BET) technique...
May 17, 2018: Journal of Environmental Management
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