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Salicylic acid

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https://www.readbyqxmd.com/read/28433594/favouring-no-over-h2o2-production-will-increase-pb-tolerance-in-prosopis-farcta-via-altered-primary-metabolism
#1
Somaieh Zafari, Mohsen Sharifi, Luis A J Mur, Najmeh Ahmadian Chashmi
Reactive oxygen species (ROS) and nitric oxide (NO) are known in triggering defense functions to detoxify heavy metal stresses. To investigate the relevance of ROS production, Pb treatment (400µM) alone and in combination with 400µM sodium ascorbate (Asc: as H2O2 scavenger) were given to hydroponically grown Prosopis farcta seedlings over a time course of 72h. Data presented here indicate that, the low extent of H2O2 due to scavenging by ascorbate, together with high level of NO improved Pb+Asc- treated Prosopis growth...
April 20, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28432333/metabolomic-and-proteomic-analysis-of-maize-embryonic-callus-induced-from-immature-embryo
#2
Fei Ge, Hongmei Hu, Xing Huang, Yanling Zhang, Yanli Wang, Zhaoling Li, Chaoying Zou, Huanwei Peng, Lujiang Li, Shibin Gao, Guangtang Pan, Yaou Shen
The low ratio of embryonic callus (EC) induction has inhibited the rapid development of maize genetic engineering. Still, little is known to explain the genotype-dependence of EC induction. Here, we performed a large-scale, quantitative analysis of the maize EC metabolome and proteome at three typical induction stages in two inbred lines with a range of EC induction capabilities. Comparison of the metabolomes and proteomes suggests that the differential molecular responses begin at an early stage of development and continue throughout the process of EC formation...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429184/interactive-effects-of-salicylic-acid-and-nitric-oxide-in-alleviating-zinc-toxicity-of-safflower-carthamus-tinctorius-l
#3
Shahram Namdjoyan, Hossein Kermanian, Ali Abolhasani Soorki, Sedigheh Modarres Tabatabaei, Nazli Elyasi
The purpose of this study was to assess the possible protective role of exogenous salicylic acid (SA), sodium nitroprusside (SNP), a donor of nitric oxide, and their combination on 21-day-old safflower (Carthamus tinctorius L.) seedlings grown under zinc (Zn) stress. The results revealed that exposure to 500 µM ZnSO4.7H2O for 10 days markedly reduced the root and shoot dry weights in Zn-treated plants, while the application of SA, SNP and specially SA + SNP significantly increased the root and shoot dry weights in seedlings subjected to Zn stress...
April 20, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28428141/temporal-impact-of-the-vascular-wilt-pathogen-verticillium-dahliae-on-tomato-root-proteome
#4
Katja Witzel, Anja Buhtz, Rita Grosch
The soil-borne fungus Verticillium dahliae is the causal agent of wilting disease and affects a wide range of plant species worldwide. Here, we report on the time-resolved analysis of the tomato root proteome in response to fungal colonization. Tomato (Solanum lycopersicum cv. Hildares) was inoculated with V. dahliae at the two-leaf stage and roots were harvested at 7, 14 and 21 days post inoculation (dpi). In order to identify proteins related to the fungal spread at the different time points, a subsequent proteome analysis by two-dimensional differential gel electrophoresis (2D-DIGE) was conducted on samples from three independent experiments...
April 17, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28425481/differences-in-salicylic-acid-glucose-conjugations-by-ugt74f1-and-ugt74f2-from-arabidopsis-thaliana
#5
Alayna M George Thompson, Cristina V Iancu, Kenneth E Neet, John V Dean, Jun-Yong Choe
Salicylic acid (SA) is a signaling molecule utilized by plants in response to various stresses. Through conjugation with small organic molecules such as glucose, an inactive form of SA is generated which can be transported into and stored in plant vacuoles. In the model organism Arabidopsis thaliana, SA glucose conjugates are formed by two homologous enzymes (UGT74F1 and UGT74F2) that transfer glucose from UDP-glucose to SA. Despite being 77% identical and with conserved active site residues, these enzymes catalyze the formation of different products: UGT74F1 forms salicylic acid glucoside (SAG), while UGT74F2 forms primarily salicylic acid glucose ester (SGE)...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28424511/response-of-peanut-arachis-hypogaea-roots-to-the-presence-of-beneficial-and-pathogenic-fungi-by-transcriptome-analysis
#6
Kun Hao, Feng Wang, Xiangqun Nong, Mark Richard McNeill, Shaofang Liu, Guangjun Wang, Guangchun Cao, Zehua Zhang
Entomopathogenic fungus Metarhizium anisopliae obtain survival benefit meanwhile promote the nutrient absorption of root as an endophyte. However, little is known concerning molecular mechanisms in the process. We performed the transcriptome sequencing of A. hypogaea roots inoculated M. anisopliae and pathogenic Fusarium axysporum, respectively. There were 81323 unigenes from 132023 transcripts. Total 203 differentially expressed genes (DEGs) respond to the two fungi, including specific 76 and 34 DEGs distributed respectively in M...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28423344/prolonged-dark-period-modulates-the-oxidative-burst-and-enzymatic-antioxidant-systems-in-the-leaves-of-salicylic-acid-treated-tomato
#7
Péter Poór, Zoltán Takács, Krisztina Bela, Zalán Czékus, Gabriella Szalai, Irma Tari
Salicylic acid (SA) is an important plant growth regulator playing a role in the hypersensitive reaction (HR) and the induction of systemic acquired resistance. Since the SA-mediated signalling pathways and the formation of reactive oxygen species (ROS) are light-dependent, the time- and concentration-specific induction of oxidative stress was investigated in leaves of tomato plants kept under light and dark conditions after treatments with 0.1mM and 1mM SA. The application of exogenous SA induced early superoxide- and H2O2 production in the leaves, which was different in the absence or presence of light and showed time- and concentration-dependent changes...
March 23, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28422869/effects-of-jianpi-qingchang-decoction-on-the-quality-of-life-of-patients-with-ulcerative-colitis-a-randomized-controlled-trial
#8
Yan-Cheng Dai, Lie Zheng, Ya-Li Zhang, Xuan Chen, De-Liang Chen, Zhi-Peng Tang
This study aims to determine the effects of the Jianpi Qingchang decoction (JQD) on the quality of life (QOL) of patients with spleen deficiency and dampness-heat syndrome ulcerative colitis (UC).A total of 120 active UC patients with spleen deficiency and dampness-heat syndrome were enrolled into this study. These patients were randomly divided into 2 groups: test group and control group (n = 60, each group). Patients in the test group were treated with JQD, while patients in control group were treated with 5-amino salicylic acid...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28421455/erratum-to-efficacy-and-safety-of-5-fluorouracil-0-5-salicylic-acid-10-in-the-field-directed-treatment-of-actinic-keratosis-a-phase-iii-randomized-double-blind-vehicle-controlled-trial
#9
Eggert Stockfleth, Ralph von Kiedrowski, Rolf Dominicus, John Ryan, Adam Ellery, Meritxell Falqués, Nathalie Ivanoff, Rosario Rodriguez Azeredo
No abstract text is available yet for this article.
April 18, 2017: Dermatology and Therapy
https://www.readbyqxmd.com/read/28421096/regulation-of-banana-phytoene-synthase-mapsy-expression-characterization-and-their-modulation-under-various-abiotic-stress-conditions
#10
Navneet Kaur, Ashutosh Pandey, Shivani, Prateek Kumar, Pankaj Pandey, Atul K Kesarwani, Shrikant S Mantri, Praveen Awasthi, Siddharth Tiwari
Phytoene synthase (PSY) is a key regulatory enzyme of carotenoid biosynthesis pathway in plants. The present study examines the role of PSY in carotenogenesis and stress management in banana. Germplasm screening of 10 Indian cultivars showed that Nendran (3011.94 μg/100 g dry weight) and Rasthali (105.35 μg/100 g dry weight) contained the highest and lowest amounts of β-carotene, respectively in ripe fruit-pulp. Nendran ripe pulp also showed significantly higher antioxidant activity as compared to Rasthali...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28421088/non-host-resistance-dna-damage-is-associated-with-sa-signaling-for-induction-of-pr-genes-and-contributes-to-the-growth-suppression-of-a-pea-pathogen-on-pea-endocarp-tissue
#11
Lee A Hadwiger, Kiwamu Tanaka
Salicylic acid (SA) has been reported to induce plant defense responses. The transcriptions of defense genes that are responsible for a given plant's resistance to an array of plant pathogens are activated in a process called non-host resistance. Biotic signals capable of carrying out the activation of pathogenesis-related (PR) genes in pea tissue include fungal DNase and chitosan, two components released from Fusarium solani spores that are known to target host DNA. Recent reports indicate that SA also has a physical affinity for DNA...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28420354/therapeutic-potentials-of-crataegus-azarolus-var-eu-azarolus-maire-leaves-and-its-isolated-compounds
#12
Eman Abu-Gharbieh, Naglaa Gamil Shehab
BACKGROUND: Hyperglycemia is a complicated condition accompanied with high incidence of infection and dyslipidemia. This study aimed to explore the phyto-constituents of Crataegus azarolus var. eu- azarolus Maire leaves, and to evaluate the therapeutic potentials particularly antimicrobial, antihyperglycemic and antihyperlipidemic of the extract and the isolated compound (3β-O-acetyl ursolic acid). METHODS: Total phenolics and flavonoidal contents were measured by RP-HPLC analysis...
April 18, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28419960/preferentially-enhancing-anti-cancer-isothiocyanates-over-glucosinolates-in-broccoli-sprouts-how-nacl-and-salicylic-acid-affect-their-formation
#13
Azadeh Esfandiari, Ali Saei, Marian J McKenzie, Adam J Matich, Mesbah Babalar, Donald A Hunter
Broccoli (Brassica oleracea L. var. italica) sprouts contain glucosinolates (GLs) that when hydrolysed yield health promoting isothiocyanates such as sulforaphane (SF). SF content can be increased by salt (NaCl) stress, although high salt concentrations negatively impact plant growth. Salicylic acid (SA) treatments can attenuate the negative effects of salt on growth. To test whether sprout isothiocyanate content could be elevated without sprout growth being compromised, broccoli seed were germinated and grown for seven days in salt (0, 80 and 160 mM) alone and in combination with 100 μM SA...
April 7, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28419906/plant-hormone-signaling-in-flowering-an-epigenetic-point-of-view
#14
REVIEW
Gerardo Campos-Rivero, Pedro Osorio-Montalvo, Rafael Sánchez-Borges, Rosa Us-Camas, Fátima Duarte-Aké, Clelia De-la-Peña
Reproduction is one of the most important phases in an organism's lifecycle. In the case of angiosperm plants, flowering provides the major developmental transition from the vegetative to the reproductive stage, and requires genetic and epigenetic reprogramming to ensure the success of seed production. Flowering is regulated by a complex network of genes that integrate multiple environmental cues and endogenous signals so that flowering occurs at the right time; hormone regulation, signaling and homeostasis are very important in this process...
March 31, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28419172/enhanced-disease-resistance-and-drought-tolerance-in-transgenic-rice-plants-overexpressing-protein-elicitors-from-magnaporthe-oryzae
#15
Zhenzhen Wang, Qiang Han, Qian Zi, Shun Lv, Dewen Qiu, Hongmei Zeng
Exogenous application of the protein elicitors MoHrip1 and MoHrip2, which were isolated from the pathogenic fungus Magnaporthe oryzae (M. oryzae), was previously shown to induce a hypersensitive response in tobacco and to enhance resistance to rice blast. In this work, we successfully transformed rice with the mohrip1 and mohrip2 genes separately. The MoHrip1 and MoHrip2 transgenic rice plants displayed higher resistance to rice blast and stronger tolerance to drought stress than wild-type (WT) rice and the vector-control pCXUN rice...
2017: PloS One
https://www.readbyqxmd.com/read/28418802/transfer-of-low-dose-aspirin-into-human-milk
#16
Palika Datta, Kathleen Rewers-Felkins, Raja Reddy Kallem, Teresa Baker, Thomas W Hale
BACKGROUND: Aspirin has antipyretic and anti-inflammatory properties and is frequently used by pregnant and lactating women. However, its transfer in human milk when administered at low dose has not been reported. Research aim: This study aimed to evaluate the transfer of acetylsalicylic acid and its metabolite, salicylic acid, into human milk following the use of low dose aspirin. METHODS: In this study, milk samples were collected at 0, 1, 2, 4, 8, 12, and 24 hours from seven breastfeeding women after a steady-state daily dose of 81 mg of aspirin...
May 2017: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
https://www.readbyqxmd.com/read/28417193/genome-wide-analysis-of-vq-motif-containing-proteins-in-moso-bamboo-phyllostachys-edulis
#17
Yujiao Wang, Huanlong Liu, Dongyue Zhu, Yameng Gao, Hanwei Yan, Yan Xiang
29 Moso bamboo VQ proteins were genome-wide identified for the first time, and bioinformatics analysis was performed to investigate phylogenetic relationships and evolutionary divergence. The qRT-PCR data show that PeVQ genes response to different stress treatments. Accumulating evidence suggests that VQ motif-containing proteins in rice (Oryza sativa), Arabidopsis (Arabidopsis thaliana), and maize (Zea mays) play fundamental roles in response to various biotic and abiotic stresses. However, little is known about the functions of VQ family proteins in Moso bamboo (Phyllostachys edulis)...
April 17, 2017: Planta
https://www.readbyqxmd.com/read/28409535/sumoylation-e3-ligase-siz1-modulates-plant-immunity-partly-through-the-immune-receptor-gene-snc1-in-arabidopsis
#18
Mingyue Gou, Quansheng Huang, Weiqiang Qian, Zemin Zhang, Zhenhua Jia, Jian Hua
The small ubiqutin-like modifier E3 ligase SIZ1 regulates multiple processes in Arabidopsis, including salicylic-acid-dependent immune responses. However, the targets of SIZ1 in plant immunity are not known. Here, we provide evidence that the plant immune receptor nucleotide-binding leucine-rich repeat gene SNC1 partially mediates the regulation of plant immunity by SIZ1. The siz1 loss-of-function mutant has an autoimmune phenotype that is dependent on SNC1 and temperature. Overexpression of SIZ1 partially rescues autoimmune mutant phenotypes induced by activation or overaccumulation of SNC1, and the SNC1 protein amount is attenuated by SIZ1 overexpression...
April 14, 2017: Molecular Plant-microbe Interactions: MPMI
https://www.readbyqxmd.com/read/28407895/test-for-l-glutamate-inhibition-of-growth-of-alternaria-alternata-by-inducing-resistance-in-tomato-fruit
#19
Jiali Yang, Cui Sun, Da Fu, Ting Yu
Although numerous studies have reported the involvement of glutamate in plant abiotic stress, relatively little is known about the role of glutamate in plant defence against pathogens. To gain further knowledge, we investigated the effect of glutamate on Alternaria alternata in tomato fruit. A multidisciplinary approach was pursued, combining exogenous glutamate applications, enzymatic activity measurements and real-time quantitative PCR analysis. The results showed glutamate significantly reduced the disease incidence in tomato caused by A...
September 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28407259/the-verticillium-specific-protein-vdscp7-localizes-to-the-plant-nucleus-and-modulates-immunity-to-fungal-infections
#20
Lisha Zhang, Hao Ni, Xuan Du, Sheng Wang, Xiao-Wei Ma, Thorsten Nürnberger, Hui-Shan Guo, Chenlei Hua
Fungal pathogens secrete effector proteins to suppress plant basal defense for successful colonization. Resistant plants, however, can recognize effectors by cognate R proteins to induce effector-triggered immunity (ETI). By analyzing secretomes of the vascular fungal pathogen Verticillium dahliae, we identified a novel secreted protein VdSCP7 that targets the plant nucleus. The green fluorescent protein (GFP)-tagged VdSCP7 gene with either a mutated nuclear localization signal motif or with additional nuclear export signal was transiently expressed in Nicotiana benthamiana, and investigated for induction of plant immunity...
April 13, 2017: New Phytologist
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