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Salicylic acid

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https://www.readbyqxmd.com/read/29329376/soil-microbial-species-loss-affects-plant-biomass-and-survival-of-an-introduced-bacterial-strain-but-not-inducible-plant-defences
#1
Viola Kurm, Wim H van der Putten, Ana Pineda, W H Gera Hol
Background and Aims: Plant growth-promoting rhizobacteria (PGPR) strains can influence plant-insect interactions. However, little is known about the effect of changes in the soil bacterial community in general and especially the loss of rare soil microbes on these interactions. Here, the influence of rare soil microbe reduction on induced systemic resistance (ISR) in a wild ecotype of Arabidopsis thaliana against the aphid Myzus persicae was investigated. Methods: To create a gradient of microbial abundances, soil was inoculated with a serial dilution of a microbial community and responses of Arabidopsis plants that originated from the same site as the soil microbes were tested...
January 10, 2018: Annals of Botany
https://www.readbyqxmd.com/read/29329092/effect-of-aspirin-on-the-pharmacokinetics-and-absorption-of-panax-notoginseng-saponins
#2
Zhihao Tian, Huanhuan Pang, Qiang Zhang, Shouying Du, Yang Lu, Lin Zhang, Jie Bai, Pengyue Li, Danqi Li, Mengdi Zhao, Xiaonan Chen
BACKGROUND: Panax notoginseng saponins, a traditional Chinese medicine extraction, and aspirin are both widely used to treat cerebral infarction in China. Good results in clinical practice have been achieved, when Panax notoginseng saponins was taken together with aspirin. METHODS: To investigate the interaction of the two drugs in vivo, the concentration of notoginsenoside R1, ginsenoside Rg1, Rb1, Re and Rd. in blood were simultaneously measured by UPLC/MS/MS...
January 2, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29327969/atozf1-positively-regulates-defense-against-bacterial-pathogens-and-npr1-independent-salicylic-acid-signaling
#3
Nidhi Singh, Swadhin Swain, Anupriya Singh, Ashis Kumar Nandi
Plant hormone salicylic acid (SA) plays critical roles in defense signaling against biotrophic pathogens. Pathogen inoculation leads to SA accumulation in plants. SA activates a transactivator protein NPR1, which, in turn, transcriptionally activates many defense response genes. Reports also suggest the presence of NPR1-independent pathways for SA signaling in Arabidopsis. Here, we report the characterization of a zinc-finger protein-coding gene AtOZF1 that positively influences NPR1-independent SA signaling...
January 12, 2018: Molecular Plant-microbe Interactions: MPMI
https://www.readbyqxmd.com/read/29324467/topical-salicylic-acid-hypersensitivity
#4
Jessica Norsworthy, Zabeer Bhatti, Tanya George
No abstract text is available yet for this article.
January 4, 2018: American Journal of Therapeutics
https://www.readbyqxmd.com/read/29321997/ascertainment-of-pharmacological-activities-of-allamanda-neriifolia-hook-and-aegialitis-rotundifolia-roxb-used-in-bangladesh-an-in%C3%A2-vitro-study
#5
Imam Hasan, Md Saddam Hussain, Md Shalahuddin Millat, Niloy Sen, Md Abdur Rahman, Md Atikur Rahman, Safiqul Islam, Md Mizanur Rahman Moghal
The present study was cherished to investigate in vitro thrombolytic, membrane stabilizing and antibacterial activities of Allamanda neriifolia and Aegialitis rotundifolia. Different types methanolic extracts of these two medicinal plants were tested for determining membrane stabilizing activity at a hypotonic solution and heat induce condition by comparing with reference standard acetyl salicylic acid (0.10 mg/mL), where thrombolytic activity assessment was done by employing Streptokinase as standard drug...
January 2018: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/29321675/overexpression-of-a-constitutively-active-truncated-form-of-oscdpk1-confers-disease-resistance-by-affecting-ospr10a-expression-in-rice
#6
Siou-Luan He, Jian-Zhi Jiang, Bo-Hong Chen, Chun-Hsiang Kuo, Shin-Lon Ho
The rice pathogenesis-related protein OsPR10a was scarcely expressed in OsCDPK1-silenced (Ri-1) rice, which was highly sensitive to pathogen infection. After inoculating the leaves with bacterial blight (Xanthomonas oryzae pv. oryzae; Xoo), we found that the expression of OsPR10a was up- and down-regulated in OEtr-1 (overexpression of the constitutively active truncated form of OsCDPK1) and Ri-1 rice plants, respectively. OsPR10a and OsCDPK1 showed corresponding expression patterns and were up-regulated in response to the jasmonic acid, salicylic acid and Xoo treatments, and OsPR1 and OsPR4 were significantly up-regulated in OEtr-1...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29316620/could-aspirin-and-diets-high-in-fiber-act-synergistically-to-reduce-the-risk-of-colon-cancer-in-humans
#7
REVIEW
Pan Pan, Yi-Wen Huang, Kiyoko Oshima, Martha Yearsley, Jianying Zhang, Jianhua Yu, Mark Arnold, Li-Shu Wang
Early inhibition of inflammation suppresses the carcinogenic process. Aspirin is the most commonly used non-steroid anti-inflammatory drugs (NSAIDs), and it irreversibly inhibits cyclooxygenase-1 and -2 (COX1, COX2). Multiple randomized clinical trials have demonstrated that aspirin offers substantial protection from colon cancer mortality. The lower aspirin doses causing only minimal gastrointestinal disturbance, ideal for long-term use, can achieve only partial and transitory inhibition of COX2. Aspirin's principal metabolite, salicylic acid, is also found in fruits and vegetables that inhibit COX2...
January 6, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29314046/jasmonic-and-salicylic-acid-response-in-the-fern-azolla-filiculoides-and-its-cyanobiont
#8
Sophie de Vries, Jan de Vries, Hendrik Teschke, Janina K von Dahlen, Laura E Rose, Sven B Gould
Plants sense and respond to microbes utilizing a multilayered signalling cascade. In seed plants, the phytohormones jasmonic and salicylic acid (JA and SA) are key denominators of how plants respond to certain microbes. Their interplay is especially well-known for tipping the scales in plants' strategies of dealing with phytopathogens. In non-seed plant lineages, the interplay is less well understood, but current data indicates that it is intertwined to a lesser extent and the canonical JA/SA antagonism appears to be absent...
January 3, 2018: Plant, Cell & Environment
https://www.readbyqxmd.com/read/29311497/the-effects-of-abscisic-acid-salicylic-acid-and-jasmonic-acid-on-lipid-accumulation-in-two-freshwater-chlorella-strains
#9
Guanxun Wu, Zhengquan Gao, Huanmin Du, Bin Lin, Yuchen Yan, Guoqiang Li, Yanyun Guo, Shenggui Fu, Gongxiang Wei, Miaomiao Wang, Meng Cui, Chunxiao Meng
Sustainable renewable energy is being hotly debated globally because the continued use of finite fossil fuels is now widely recognized as being unsustainable. Microalgae potentially offer great opportunities for resolving this challenge. Abscisic acid (ABA), jasmonic acid (JA) and salicylic acid (SA) are involved in regulating many physiological properties and have been widely used in higher plants. To test if phytohormones have an impact on accumulating lipid for microalgae, ABA, JA and SA were used to induce two Chlorella strains in the present study...
December 30, 2017: Journal of General and Applied Microbiology
https://www.readbyqxmd.com/read/29310282/use-of-polymer-inclusion-membranes-pims-as-support-for-electromembrane-extraction-of-non-steroidal-anti-inflammatory-drugs-and-highly-polar-acidic-drugs
#10
Román-Hidalgo Cristina, Martín-Valero María Jesús, Fernández-Torres Rut, Bello-López Miguel Ángel
The use of polymer inclusion membranes (PIMs) as support of 1-octanol liquid membrane in electromembrane extraction (EME) procedure is proposed. Synthesis of PIMs were optimized to a composition of 29% (w/w) of cellulose triacetate as base polymer and 71% (w/w) of Aliquat®336 as cationic carrier. Flat PIMs of 25µm thickness and 6mm diameter were used. EME protocol was implemented for the simultaneous extraction of four non-steroidal anti-inflammatory drugs (NSAIDs) (salicylic acid, ketoprofen, naproxen and ibuprofen) and four highly polar acidic drugs (anthranilic acid, nicotinic acid, amoxicillin and hippuric acid)...
March 1, 2018: Talanta
https://www.readbyqxmd.com/read/29309236/exploring-elicitors-of-the-beneficial-rhizobacterium-bacillus-amyloliquefaciens-sqr9-to-induce-plant-systemic-resistance-and-their-interactions-with-plant-signaling-pathways
#11
Gengwei Wu, Yunpeng Liu, Yu Xu, Guishan Zhang, Qi-Rong Shen, Ruifu Zhang
Beneficial rhizobacteria have been reported to produce various elicitors that induce plant systemic resistance, but there is little knowledge concerning the relative contribution of multiple elicitors from a single beneficial rhizobacterium on the induced systemic resistance in plants and the interactions of these elicitors with plant signaling pathways. In this study, nine mutants of the plant growth-promoting rhizobacterium Bacillus amyloliquefaciens SQR9 deficient in producing the extracellular compounds, including fengycin, bacillomycin D, surfactin, bacillaene, macrolactin, difficidin, bacilysin, 2,3-butandiol, and exopolysaccharides, were tested for the induction of systemic resistance against Pseudomonas syringae pv...
January 8, 2018: Molecular Plant-microbe Interactions: MPMI
https://www.readbyqxmd.com/read/29307050/role-of-acetyl-salicylic-acid-in-controlling-the-doca-salt-induced-hypertension-in-rats-by-stimulating-the-synthesis-of-r-cortexin-in-the%C3%A2-kidney
#12
Uttam Kumar Maji, Pradipta Jana, Mitali Chatterjee, Sanmay Karmakar, Arup Saha, Tamal Kanti Ghosh
INTRODUCTION: Hypertension is a metabolic disease which is caused by vasoconstriction and that results into elevated blood pressure. A chronic hypertensive condition affects and even damages to various systems in the body. Presence of renal cortexin (r-cortexin), an antihypertensive protein, which is released from the kidney cortex controls the blood pressure. The effect of r-cortexin was mediated through nitric oxide (NO), a universal vasodilating agent. AIM: In our study, acetyl salicylic acid (aspirin), a well-known activator of the endothelial nitric oxide synthase (eNOS) induced r-cortexin synthesis...
January 6, 2018: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/29306633/development-of-an-improved-sample-preparation-platform-for-acidic-endogenous-hormones-in-plant-tissues-using-electromembrane-extraction
#13
Joon Hyuk Suh, Sang Beom Han, Yu Wang
Despite their importance in pivotal signaling pathways due to trace quantities and complex matrices, the analysis of plant hormones is a challenge. Here, to improve this issue, we present an electromembrane extraction technology combined with liquid chromatography-tandem mass spectrometry for determination of acidic plant hormones including jasmonic acid, abscisic acid, salicylic acid, benzoic acid, gibberellic acid and gibberellin A4 in plant tissues. Factors influencing extraction efficiency, such as voltage, extraction time and stirring rate were optimized using a design of experiments...
December 30, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/29301510/exogenous-short-term-silicon-application-regulates-macro-nutrients-endogenous-phytohormones-and-protein-expression-in-oryza-sativa-l
#14
Soo-Won Jang, Yoonha Kim, Abdul Latif Khan, Chae-In Na, In-Jung Lee
BACKGROUND: Silicon (Si) has been known to regulate plant growth; however, the underlying mechanisms of short-term exogenous Si application on the regulation of calcium (Ca) and nitrogen (N), endogenous phytohormones, and expression of essential proteins have been little understood. RESULTS: Exogenous Si application significantly increased Si content as compared to the control. Among Si treatments, 1.0 mM Si application showed increased phosphorus content as compared to other Si treatments (0...
January 4, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29301332/arsenic-uptake-toxicity-detoxification-and-speciation-in-plants-physiological-biochemical-and-molecular-aspects
#15
REVIEW
Ghulam Abbas, Behzad Murtaza, Irshad Bibi, Muhammad Shahid, Nabeel Khan Niazi, Muhammad Imran Khan, Muhammad Amjad, Munawar Hussain
Environmental contamination with arsenic (As) is a global environmental, agricultural and health issue due to the highly toxic and carcinogenic nature of As. Exposure of plants to As, even at very low concentration, can cause many morphological, physiological, and biochemical changes. The recent research on As in the soil-plant system indicates that As toxicity to plants varies with its speciation in plants (e.g., arsenite, As(III); arsenate, As(V)), with the type of plant species, and with other soil factors controlling As accumulation in plants...
January 2, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29301018/herbivore-derived-fatty-acid-amides-elicit-reactive-oxygen-species-burst-in-plants
#16
Anna Block, Shawn A Christensen, Charles T Hunter, Hans T Alborn
Reactive oxygen species (ROS) can be elicited by many forms of stress, including pathogen attack, abiotic stress, damage and insect infestation. Perception of microbe- or damage-associated elicitors triggers an ROS burst in many plant species; however, the impact of herbivore fatty-acid amides on ROS elicitation remains largely unexplored. In this study we show that the lepidopteran-derived fatty-acid amide elicitor N-linolenoyl-L-glutamine (GLN18:3) can induce a ROS burst in multiple plant species. Furthermore, in Arabidopsis this ROS burst is partially dependent on the plasma membrane localized NADPH oxidases RBOHD and RBOHF, and an Arabidopsis rbohD/F double mutant produces enhanced GLN18:3-induced jasmonic acid...
December 28, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/29300985/disruption-of-ossec3a-increases-the-content-of-salicylic-acid-and-induces-plant-defense-responses-in-rice
#17
Jin Ma, Jun Chen, Min Wang, Yulong Ren, Shuai Wang, Cailin Lei, Zhijun Cheng, Sodmergen
The exocyst, an evolutionarily conserved octameric protein complex involved in exocytosis, has been reported to be involved in diverse aspects of morphogenesis in Arabidopsis. However, the molecular functions of such exocytotic molecules in rice are poorly understood. Here, we examined the molecular function of OsSEC3A, an important subunit of the exocyst complex in rice. The OsSEC3A gene is expressed in various organs, and OsSEC3A has the potential ability to participate in the exocyst complex by interacting with several other exocyst subunits...
December 30, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/29300825/the-arabidopsis-thaliana-non-specific-phospholipase-c2-is-involved-in-the-response-to-pseudomonas-syringae-attack
#18
Zuzana Krcková, Daniela Kocourková, Michal Danek, Jitka Brouzdová, Premysl Pejchar, Martin Janda, Igor Pokotylo, Peter G Ott, Olga Valentová, Jan Martinec
Background and Aims: The non-specific phospholipase C (NPC) is a new member of the plant phospholipase family that reacts to abiotic environmental stresses, such as phosphate deficiency, high salinity, heat and aluminium toxicity, and is involved in root development, silicon distribution and brassinolide signalling. Six NPC genes (NPC1-NPC6) are found in the Arabidopsis genome. The NPC2 isoform has not been experimentally characterized so far. Methods: The Arabidopsis NPC2 isoform was cloned and heterologously expressed in Escherichia coli...
December 29, 2017: Annals of Botany
https://www.readbyqxmd.com/read/29297239/correction-to-singh-sinha-and-sinnollareddy-role-of-apoptosis-in-mediating-salicylic-acid-induced-teratogenesis-in-vitro
#19
(no author information available yet)
No abstract text is available yet for this article.
January 3, 2018: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/29291354/delicate-control-of-multi-shelled-zn-mn-o-hollow-microspheres-as-a-high-performance-anode-for-lithium-ion-batteries
#20
Jiaying Xu, Hao Zhang, Ruofeng Wang, Peibo Xu, Yinlin Tong, Qingyi Lu, Feng Gao
Mixed/composite oxides of transition metals with hollow structures, especially multi-shelled hollow architecture, have promising potentials for different applications but their syntheses still remain a big challenge. Herein, a facile coordination polymer precursor method were developed to construct various multi-shelled Zn-Mn-O hollow microspheres including ZnMnO3, ZnMn2O4 and ZnMn2O4/Mn2O3. The composition of the hollow structures can be adjusted by controlling the composition of the coordination polymer precursors, which are easily obtained with Zn2+, Mn2+ and salicylic acid under solvothermal conditions...
January 1, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
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