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https://www.readbyqxmd.com/read/29151275/rav-transcription-factors-are-essential-for-disease-resistance-against-cassava-bacterial-blight-via-activation-of-melatonin-biosynthesis-genes
#1
Yunxie Wei, Yanli Chang, Hongqiu Zeng, Guoyin Liu, Chaozu He, Haitao Shi
With one AP2 domain and one B3 domain, 7 MeRAVs in apetala2/ethylene response factor (AP2/ERF) gene family have been identified in cassava. However, the in vivo roles of these remain unknown. Gene expression assays showed that the transcripts of MeRAVs were commonly regulated after Xanthomonas axonopodis pv manihotis (Xam) and MeRAVs were specifically located in plant cell nuclei. Through virus-induced gene silencing (VIGS) in cassava, we found that MeRAV1 and MeRAV2 are essential for plant disease resistance against cassava bacterial blight, as shown by the bacterial propagation of Xam in plant leaves...
November 19, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/29150325/ilex-paraguariensis-potential-antioxidant-on-aluminium-toxicity-in-an-experimental-model-of-alzheimer-s-disease
#2
Pâmela M Bortoli, Carla Alves, Eduarda Costa, Ana Paula Vanin, Jéssica R Sofiatti, Diego P Siqueira, Rogério M Dallago, Helen Treichel, Gean Delise L P Vargas, Rosilene R Kaizer
Ilex paraguariensis, yerba mate is a native plant from the southern region of Brazil. Studies showed that yerba mate has an antioxidant potential, which could help to reduce the risk of developing neurodegenerative diseases, as Alzheimer's Disease (AD). It's known that I. paraguariensis grows in acid soils with aluminium (Al), which is bioavailable in these soils. Al has a neurotoxic potential related with the progression of neurological disorders. This study aim was to evaluate the potential of I. paraguariensis in the etiology of AD using strains of Caenorhabditis elegans and the concentration of Al and antioxidants in the yerba mate extract...
November 7, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/29150271/xenohormesis-in-early-life-new-avenues-of-research-to-explore-anti-aging-strategies-through-the-maternal-diet
#3
Philippe de Medina
Aging is a progressive internal physiological deterioration of the organism, leading to the occurrence of age-related lethal diseases. It has become a major societal challenge to understand the processes that drive aging and to develop rational pharmacological agents and dietary approaches to fight against age-related deterioration and diseases. Interestingly, several lines of evidence highlight an influence of the developmental period on the risk of age-related diseases later in life. This field is known as the developmental origins of health and disease...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29149700/protective-role-of-biosynthesized-silver-nanoparticles-against-early-blight-disease-in-solanum-lycopersicum
#4
Madhuree Kumari, Shipra Pandey, Arpita Bhattacharya, Aradhana Mishra, C S Nautiyal
Tomato suffers a huge loss every year because of early blight disease. This study focuses on efficient inhibition of Alternaria solani, the causative agent of early blight disease in tomato in vitro and in vivo. Foliar spray of 5 μg/mL of biosynthesized silver nanoparticles in A. solani infected plants resulted in significant increase of 32.58% in fresh weight and 23.52% in total chlorophyll content of tomato as compared to A. solani infected plants. A decrease of 48.57, 30, 39.59 and 28.57% was observed in fungal spore count, lipid peroxidation, proline content and superoxide dismutase respectively in infected tomato plants after treatment with synthesized silver nanoparticles as compared to A...
November 10, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29149645/xylella-fastidiosa-induces-differential-expression-of-lignification-related-genes-and-lignin-accumulation-in-tolerant-olive-trees-cv-leccino
#5
Erika Sabella, Andrea Luvisi, Alessio Aprile, Carmine Negro, Marzia Vergine, Francesca Nicolì, Antonio Miceli, Luigi De Bellis
Recently, Xylella fastidiosa was reported in Italy, associated with the "Olive Quick Decline Syndrome". The cv. Leccino exhibits an evident tolerance with a slow disease progression compared with the other cultivars. Between the mechanisms proposed to explain the putative tolerance of some hosts to X. fastidiosa diseases, lignin deposition plays an important role. Analysis of phenolic compounds in healthy and infected Leccino and Cellina di Nardò leaves showed, in the two cultivars, a reduction of hydroxytyrosol glucoside (usually associated with drought and cold stress) and, only in Leccino, an increase of quinic acid, precursor of lignin...
November 10, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/29149461/long-non-coding-rnas-involve-in-resistance-to-verticillium-dahliae-a-fungal-disease-in-cotton
#6
Lin Zhang, Maojun Wang, Nannan Li, Honglei Wang, Ping Qiu, Liuling Pei, Zheng Xu, Tianyi Wang, Erlin Gao, Junxia Liu, Shiming Liu, Qin Hu, Yuhuan Miao, Keith Lindsey, Lili Tu, Longfu Zhu, Xianlong Zhang
Long non-coding RNAs (lncRNAs) have several known functions in plant development, but their possible roles in responding to plant disease remain largely unresolved. In this study, we described a comprehensive disease-responding lncRNA profiles in defense against a cotton fungal disease Verticillium dahliae. We further revealed the conserved and specific characters of disease responding process between two cotton species. Conservatively for two cotton species, we found the expression dominance of induced lncRNAs in the Dt subgenome, indicating a biased induction pattern in the co-existing subgenomes of allotetraploid cotton...
November 17, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/29149404/the-translational-controlled-tumour-protein-tctp-biological-functions-and-regulation
#7
Ulrich-Axel Bommer
The Translational Controlled Tumour Protein TCTP (gene symbol TPT1, also called P21, P23, Q23, fortilin or histamine-releasing factor, HRF) is a highly conserved protein present in essentially all eukaryotic organisms and involved in many fundamental cell biological and disease processes. It was first discovered about 35 years ago, and it took an extended period of time for its multiple functions to be revealed, and even today we do not yet fully understand all the details. Having witnessed most of this history, in this chapter, I give a brief overview and review the current knowledge on the structure, biological functions, disease involvements and cellular regulation of this protein...
2017: Results and Problems in Cell Differentiation
https://www.readbyqxmd.com/read/29149328/mir858-mediated-regulation-of-flavonoid-specific-myb-transcription-factor-genes-controls-resistance-to-pathogen-infection-in-arabidopsis
#8
Rosany Camargo-Ramírez, Beatriz Val-Torregrosa, Blanca San Segundo
MicroRNAs (miRNAs) are a class of short endogenous non-coding small RNAs that direct post-transcriptional gene silencing in eukaryotes. In plants, the expression of a large number of miRNAs has been shown to be regulated during pathogen infection. However, the functional role of the majority of these pathogen-regulated miRNAs has not been elucidated. In this work, we investigated the role of Arabidopsis miR858 in the defense response of Arabidopsis plants to infection by fungal pathogens with necrotrophic (Plectosphaerella cucumerina) or hemibiotrophic (Fusarium oxysporum and Colletotrichum higginsianum) lifestyles...
November 15, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/29149287/genomic-and-epigenomic-immunity-in-common-bean-the-unusual-features-of-nb-lrr-gene-family
#9
Manon M S Richard, Ariane Gratias, Vincent Thareau, Kyung Do Kim, Sandrine Balzergue, Johann Joets, Scott A Jackson, Valérie Geffroy
In plants, a key class of genes comprising most of disease resistance (R) genes encodes Nucleotide-binding leucine-rich repeat (NL) proteins. Access to common bean (Phaseolus vulgaris) genome sequence provides unparalleled insight into the organization and evolution of this large gene family (∼400 NL) in this important crop. As observed in other plant species, most common bean NL are organized in cluster of genes. However, a particularity of common bean is that these clusters are often located in subtelomeric regions close to terminal knobs containing the satellite DNA khipu...
November 15, 2017: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
https://www.readbyqxmd.com/read/29148964/twenty-five-years-of-the-binary-power-law-for-characterizing-heterogeneity-of-disease-incidence
#10
Laurence V Madden, Gareth Hughes, Wanderson Bucker Moraes, Xiangming Xu, William W Turechek
Spatial pattern, an important epidemiological property of plant diseases, can be quantified at different scales using a range of methods. The spatial heterogeneity (or overdispersion) of disease incidence among sampling units is an especially important measure of small-scale pattern. As an alternative to Taylor's power law for the heterogeneity of counts with no upper bound, the binary power law (BPL) was proposed in 1992 as a model to represent the heterogeneity of disease incidence (number of plant units diseased out of n observed in each sampling unit, or the proportion diseased in each sampling unit)...
November 17, 2017: Phytopathology
https://www.readbyqxmd.com/read/29147831/plants-of-brazilian-restingas-with-tripanocide-activity-against-trypanosoma-cruzi-strains
#11
Robson Xavier Faria, André Luis Almeida Souza, Barbara Lima, Luis Armando Candido Tietbohl, Caio Pinho Fernandes, Raquel Rodrigues Amaral, Bettina Monika Ruppelt, Marcelo Guerra Santos, Leandro Rocha
Chagas disease is caused by the Trypanosoma cruzi affecting millions of people, and widespread throughout Latin America. This disease exhibits a problematic chemotherapy. Benznidazole, which is the drug currently used as standard treatment, lamentably evokes several adverse reactions. Among other options, natural products have been tested to discover a novel therapeutic drug for this disease. A lot of plants from the Brazilian flora did not contain studies about their biological effects. Restinga de Jurubatiba from Brazil is a sandbank ecosystem poorly studied in relation to plant biological activity...
November 17, 2017: Journal of Bioenergetics and Biomembranes
https://www.readbyqxmd.com/read/29147122/use-of-lipid-lowering-medicinal-herbs-during-pregnancy-a-systematic-review-on-safety-and-dosage
#12
REVIEW
Hojjat Rouhi-Boroujeni, Esfandiar Heidarian, Hamid Rouhi-Boroujeni, Minasadat Khoddami, Mojgan Gharipour, Mahmoud Rafieian-Kopaei
BACKGROUND: Hyperlipidemia is one of the important diseases in pregnancy that causes fetal abnormalities during pregnancy and after the birth. Unfortunately, the usual anti-fat drugs are associated with high morbidity in fetus and due to people's inclination towards taking herbs, it is required to identify side effects of medicinal herbs in pregnancy. The aim of this study was to present hypolipidemic herbs that would not any complications for mother and fetus. METHODS: In this review article, the major electronic databases such as EBSCO, Central Register of Controlled Trials (CENTRAL), China Network Knowledge Infrastructure (CNKI), Cochrane, Google scholar, MEDLINE, SciVerse, Scopus, and Web of Science were searched using the key words "herbal" and "hyperlipidemia", "herbal" and "pregnancy" matched by MeSH from their respective inceptions till September, 2016...
May 2017: ARYA Atherosclerosis
https://www.readbyqxmd.com/read/29146842/genome-sequences-of-19-novel-erwinia-amylovora-bacteriophages
#13
Ian N D Esplin, Jordan A Berg, Ruchira Sharma, Robert C Allen, Daniel K Arens, Cody R Ashcroft, Shannon R Bairett, Nolan J Beatty, Madeline Bickmore, Travis J Bloomfield, T Scott Brady, Rachel N Bybee, John L Carter, Minsey C Choi, Steven Duncan, Christopher P Fajardo, Brayden B Foy, David A Fuhriman, Paul D Gibby, Savannah E Grossarth, Kala Harbaugh, Natalie Harris, Jared A Hilton, Emily Hurst, Jonathan R Hyde, Kayleigh Ingersoll, Caitlin M Jacobson, Brady D James, Todd M Jarvis, Daniella Jaen-Anieves, Garrett L Jensen, Bradley K Knabe, Jared L Kruger, Bryan D Merrill, Jenny A Pape, Ashley M Payne Anderson, David E Payne, Malia D Peck, Samuel V Pollock, Micah J Putnam, Ethan K Ransom, Devin B Ririe, David M Robinson, Spencer L Rogers, Kerri A Russell, Jonathan E Schoenhals, Christopher A Shurtleff, Austin R Simister, Hunter G Smith, Michael B Stephenson, Lyndsay A Staley, Jason M Stettler, Mallorie L Stratton, Olivia B Tateoka, P J Tatlow, Alexander S Taylor, Suzanne E Thompson, Michelle H Townsend, Trever L Thurgood, Brittian K Usher, Kiara V Whitley, Andrew T Ward, Megan E H Ward, Charles J Webb, Trevor M Wienclaw, Taryn L Williamson, Michael J Wells, Cole K Wright, Donald P Breakwell, Sandra Hope, Julianne H Grose
Erwinia amylovora is the causal agent of fire blight, a devastating disease affecting some plants of the Rosaceae family. We isolated bacteriophages from samples collected from infected apple and pear trees along the Wasatch Front in Utah. We announce 19 high-quality complete genome sequences of E. amylovora bacteriophages.
November 16, 2017: Genome Announcements
https://www.readbyqxmd.com/read/29146293/andrographolide-a-promising-therapeutic-agent-negatively-regulates-glial-cell-derived-neurodegeneration-of-prefrontal-cortex-hippocampus-and-working-memory-impairment
#14
Sudeshna Das, K P Mishra, Lilly Ganju, S B Singh
Over activation of glial cell derived innate immune factors induces neuro-inflammation that results in neurodegenerative disease, like working memory impairment. In this study, we have investigated the role of andrographolide, a major constituent of Andrographis paniculata plant, in reduction of reactive glial cell derived working memory impairment. Real time PCR, Western bloting, flow cytometric and immunofluorescence studies demonstrated that andrographolide inhibited lipopolysaccharide (LPS)-induced overexpression of HMGB1, TLR4, NFκB, COX-2, iNOS, and release of inflammatory mediators in primary mix glial culture, adult mice prefrontal cortex and hippocampus region...
November 8, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29146260/a-novel-burkholderia-ambifaria-strain-able-to-degrade-the-mycotoxin-fusaric-acid-and-to-inhibit-fusarium-spp-growth
#15
Ester Simonetti, Irma N Roberts, Marcela S Montecchia, Flavio H Gutierrez-Boem, Federico M Gomez, Jimena A Ruiz
Fusaric acid (FA) is a fungal metabolite produced by several Fusarium species responsible for wilts and root rot diseases of a great variety of plants. Bacillus spp. and Pseudomonas spp. have been considered as promising biocontrol agents against phytopathogenic Fusarium spp., however it has been demonstrated that FA negatively affects growth and production of some antibiotics in these bacteria. Thus, the capability to degrade FA would be a desirable characteristic in bacterial biocontrol agents of Fusarium wilt...
January 2018: Microbiological Research
https://www.readbyqxmd.com/read/29146259/characterization-and-assessment-of-two-biocontrol-bacteria-against-pseudomonas-syringae-wilt-in-solanum-lycopersicum-and-its-genetic-responses
#16
Kaliannan Durairaj, Palanivel Velmurugan, Jung-Hee Park, Woo-Suk Chang, Yool-Jin Park, Palaninaicker Senthilkumar, Kyung-Min Choi, Jeong-Ho Lee, Byung-Taek Oh
Pseudomonas and Bacillus species are attractive due to their potential bio-control application against plant bacterial pathogens. Pseudomonas aeruginosa strain D4 and Bacillus stratosphericus strain FW3 were isolated from mine tailings in South Korea. In these potent bacterial strains, we observed improved antagonistic activity against Pseudomonas syringae DC3000. These strains produced biocatalysts for plant growth promotion, and in vivo examination of Solanum lycopersicum included analysis of disease severity, ion leakage, chlorophyll content, and H2O2 detection...
January 2018: Microbiological Research
https://www.readbyqxmd.com/read/29146252/the-outer-membrane-protein-oprf-and-the-sigma-factor-sigx-regulate-antibiotic-production-in-pseudomonas-fluorescens-2p24
#17
Xu Li, Gao-Qi Gu, Wei Chen, Li-Juan Gao, Xue-Hong Wu, Li-Qun Zhang
Pseudomonas fluorescens 2P24 produces 2,4-diacetylphloroglucinol (2,4-DAPG) as the major antibiotic compound that protects plants from soil-borne diseases. Expression of the 2,4-DAPG biosynthesis enzymes, which are encoded by the phlACBD locus, is under the control of a delicate regulatory network. In this study, we identified a novel role for the outer membrane protein gene oprF, in negatively regulating the 2,4-DAPG production by using random mini-Tn5 mutagentsis. A sigma factor gene sigX was located immediately upstream of the oprF gene and shown to be a positive regulator for oprF transcription and 2,4-DAPG production...
January 2018: Microbiological Research
https://www.readbyqxmd.com/read/29146250/revitalization-of-plant-growth-promoting-rhizobacteria-for-sustainable-development-in-agriculture
#18
REVIEW
Sushanto Gouda, Rout George Kerry, Gitishree Das, Spiros Paramithiotis, Han-Seung Shin, Jayanta Kumar Patra
The progression of life in all forms is not only dependent on agricultural and food security but also on the soil characteristics. The dynamic nature of soil is a direct manifestation of soil microbes, bio-mineralization, and synergistic co-evolution with plants. With the increase in world's population the demand for agriculture yield has increased tremendously and thereby leading to large scale production of chemical fertilizers. Since the use of fertilizers and pesticides in the agricultural fields have caused degradation of soil quality and fertility, thus the expansion of agricultural land with fertile soil is near impossible, hence researchers and scientists have sifted their attention for a safer and productive means of agricultural practices...
January 2018: Microbiological Research
https://www.readbyqxmd.com/read/29146248/phosphatidylcholine-absence-affects-the-secretion-of-lipodepsipeptide-phytoxins-in-pseudomonas-syringae-pv-syringae-van-hall-cfcc-1336
#19
Fang Cao, Min Xiong, Shunyi Li, Huawan Cai, Yufang Sun, Sheng Yang, Xin Liu, Rong Zhu, Xuejing Yu, Xingguo Wang
Pseudomonas syringae pv. syringae van Hall CFCC 1336 (Pss 1336) is the causal agent of bacterial disease of stone fruit trees, and also able to elicit hypersensitive response (HR) in non-host tobacco. It is known that this pathogen uses PCS-pathway to synthesize phosphatidylcholine (PC), and mutation of the pcs gene abolishes bacterial PC synthesis. Previous study also found that the 1336 pcs(-) mutant lacking PC in its membrane phospholipids was unable to secrete HrpZ harpin and elicit HR in non-host plants...
January 2018: Microbiological Research
https://www.readbyqxmd.com/read/29145848/pharmacological-potential-of-bidens-pilosa-l-and-determination-of-bioactive-compounds-using-uhplc-qqqlit-ms-ms-and-gc-ms
#20
Garima Singh, Ajit Kumar Passsari, Pratibha Singh, Vincent Vineeth Leo, Sarathbabu Subbarayan, Brijesh Kumar, Bhim Pratap Singh, Hauzel Lalhlenmawia, Nachimuthu Senthil Kumar
BACKGROUND: Research of natural products from traditionally used medicinal plants to fight against the human ailments is fetching attention of researchers worldwide. Bidens pilosa Linn. var. Radiata (Asteraceae) is well known for its folkloric medicinal use against various diseases from many decades. Mizoram, North East India, has high plant diversity and the use of this plant as herbal medicine is deep rooted in the local tribes. The present study was executed to understand the pharmacological potential of B...
November 16, 2017: BMC Complementary and Alternative Medicine
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