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https://www.readbyqxmd.com/read/28448936/composite-of-pah-degrading-endophytic-bacteria-reduces-contamination-and-health-risks-caused-by-pahs-in-vegetables
#1
Jian Wang, Juan Liu, Wanting Ling, Qingguo Huang, Yanzheng Gao
Vegetables accumulate polycyclic aromatic hydrocarbons (PAHs) at high concentrations when grown in contaminated sites. Inoculation with PAH-degrading endophytic bacteria (EBPAH) has been recognized as one of the most promising ways to remove PAHs from plant bodies; however, the performance of single endophytic bacteria is generally limited. This investigation used a composite of eight EBPAH to reduce the contamination and health risk posed by 16 EPA priority PAHs in vegetables including Chinese cabbage (Brassica chinensis L...
April 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28446917/shoot-the-message-not-the-messenger-combating-pathogenic-virulence-in-plants-by-inhibiting-quorum-sensing-mediated-signaling-molecules
#2
REVIEW
Ganesh Alagarasan, Kumar S Aswathy
Immunity, virulence, biofilm formation, and survival in the host environment are regulated by the versatile nature of density dependent microbial cell signaling, also called quorum sensing (QS). The QS molecules can associate with host plant tissues and, at times, cause a change in its gene expression at the downstream level through inter-kingdom cross talking. Progress in controlling QS through fungicide/bactericide in pathogenic microscopic organisms has lead to a rise of antibiotic resistance pathogens. Here, we review the application of selective quorum quenching (QQ) endophytes to control phytopathogens that are shared by most, if not all, terrestrial plant species as well as aquatic plants...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28446036/fusaripeptide-a-new-antifungal-and-anti-malarial-cyclodepsipeptide-from-the-endophytic-fungus-fusarium-sp
#3
Sabrin R M Ibrahim, Hossam M Abdallah, Ehab S Elkhayat, Nawal M Al Musayeib, Hani Z Asfour, Mohamed F Zayed, Gamal A Mohamed
From the culture of the endophytic fungus Fusarium sp. isolated from the roots of Mentha longifolia L. (Labiatae) growing in Saudi Arabia, a new cyclodepsipeptide, namely fusaripeptide A (1), along with three known compounds adenosine (2), 2[(2-hydroxypropionyl)amino]benzamide (3), and cyclopentanol (4), have been isolated. Their structures were determined, using extensive 1D and 2D NMR and HRESI and GC mass spectral data. That is the first report for the isolation of compound 4 from natural source. In addition, compounds 2 and 3 are reported here for the first time from Fusarium sp...
April 27, 2017: Journal of Asian Natural Products Research
https://www.readbyqxmd.com/read/28444566/improvement-of-rice-seedling-growth-and-nitrogen-use-efficiency-by-seed-inoculation-with-endophytic-denitrifiers
#4
Wenfeng Wang, Yanyan Zhai, Lixiang Cao, Hongming Tan, Renduo Zhang
The aim of the present study is to investigate the effect of seed inoculation with endophytic denitrifiers on rice seedling growth and nitrogen use efficiency under low- and high-urea conditions. Pseudomonas sp. B2, Streptomyces sp. A9, and Fusarium sp. F3 were isolated from rice plant tissues. Rice seeds inoculated with the denitrifiers were sown in soil fertilized with 100 and 300 mg/kg urea concentrations, respectively. The denitrifiers increased soil ammonia concentrations or kept high ammonia concentration for a longer time in soils...
April 25, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28443589/significance-of-inverted-pattern-in-non-invasive-low-grade-papillary-urothelial-carcinoma-of-bladder
#5
Sehbal Arslankoz, İbrahim Kulaç, Dilek Ertoy Baydar
AIMS: The purpose of this study is to evaluate the impact of histological inverted pattern on recurrence in patients with newly diagnosed non-invasive low-grade papillary urothelial carcinoma of the urinary bladder. METHODS: A total of 81 patients with primary bladder non-invasive low-grade papillary urothelial carcinomadiagnosed in a single tertiary care center between 2000 and 2011 who had at least 1 year follow-up after an initial resection were included. All slides from each case were reviewed to determine the growth pattern (exophytic versus endophytic, i...
April 13, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28443209/metformin-prevents-hormonal-and-metabolic-disturbances-and-1-2-dimethylhydrazine-induced-colon-carcinogenesis-in-non-diabetic-rats
#6
Viktoria V Bekusova, Vasily M Patsanovskii, Alexander D Nozdrachev, Alexandr P Trashkov, Margarita R Artemenko, Vladimir N Anisimov
Effects of two doses of the anti-diabetic drug, metformin (MF), on hormonal and metabolic levels of serum of non-diabetic male Wistar rats with 1,2-dimethylhydrazine (DMH)-induced colon tumor adenocarcinomas were studied. Carcinogenesis in the animals was also observed. Rats with DMH-induced colon adenocarcinomas had elevated levels of serum glucose, insulin, insulin-like growth factor-1, total cholesterol, triglycerides, catalase, malonic dialdehyde, glycated hemoglobin, aspartate aminotransferase, and alanine aminotransferase and decreased hemoglobin...
February 2017: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/28443149/inverted-urothelial-papilloma-a-review-of-diagnostic-pitfalls-and-clinical-management
#7
REVIEW
Mary K Sweeney, Soroush Rais-Bahrami, Jennifer Gordetsky
Inverted urothelial papilloma (IUP) is a rare, non-invasive endophytic lesion that accounts for 1-2% of urothelial tumours. On cystoscopy, IUP appears as a pedunculated/papillary mass with a smooth surface. On microscopy, IUP has an endophytic growth pattern with the bulk of the tumour covered by a superficial layer of urothelium, which can be hyperplastic or attenuated. The cytology should be bland, with uniform, spindled cells arranged in anastomosing trabeculae and cords with peripheral palisading of basaloid cells...
January 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28442227/laparoscopic-versus-percutaneous-cryoablation-of-small-renal-mass-systematic-review-and-cumulative-analysis-of-comparative-studies
#8
REVIEW
Rodrigo R Pessoa, Riccardo Autorino, M Pilar Laguna, Wilson R Molina, Diedra Gustafson, Leticia Nogueira, Rodrigo Donalisio da Silva, Priya N Werahera, Fernando J Kim
The objective of this study was to compare the surgical, oncological, and functional outcomes of laparoscopic and percutaneous cryoablation for the treatment of small renal masses. A systematic review of the literature was performed through March 2016 using PubMed, Scopus, and Ovid databases. Article selection proceeded according to the search strategy on the basis of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses criteria. Only studies that compared laparoscopic and percutaneous kidney cryoablation were included in the meta-analysis...
March 30, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28441744/production-of-laccase-by-a-new-myrothecium-verrucaria-md-r-16-isolated-from-pigeon-pea-cajanus-cajan-l-millsp-and-its-application-on-dye-decolorization
#9
Jiao Sun, Na Guo, Li-Li Niu, Qing-Fang Wang, Yu-Ping Zang, Yuan-Gang Zu, Yu-Jie Fu
The present study was conducted to screen a laccase-producing fungal endophyte, optimize fermentation conditions, and evaluate the decolorization ability of the laccase. A new fungal endophyte capable of laccase-producing was firstly isolated from pigeon pea and identified as Myrothecium verrucaria based on a ITS-rRNA sequences analysis. Meanwhile, various fermentation parameters on the laccase production were optimized via response surface methodology (RSM). The optimal fermentation conditions were a fermentation time of five days, temperature 30 °C and pH 6...
April 23, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28441516/epoxynemanione-a-nemanifuranones-a-f-and-nemanilactones-a-c-from-nemania-serpens-an-endophytic-fungus-isolated-from-riesling-grapevines
#10
Ashraf Ibrahim, Dan Sørensen, Hilary A Jenkins, Linda Ejim, Alfredo Capretta, Mark W Sumarah
Ten polyketide specialized metabolites, epoxynemanione A, nemanifuranones A-F, and nemanilactones A-C, were isolated from the culture filtrate of Nemania serpens (Pers.) Grey (1821), an endophytic fungus from a Riesling grapevine (Vitis vinifera) found in Canada's Niagara region. Additionally, four known metabolites 2-(hydroxymethyl)-3-methoxy-benzoic acid, phyllostine, 5-methylmellein and a nordammarane triterpenoid were isolated. A related known metabolite 2,3-dihydro-2-hydroxy-2,4-dimethyl-5-trans-propenylfuran-3-one has also been included for structural and biological comparison to the nemanifuranones...
April 22, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28439871/application-of-chemical-genomics-to-plant-bacteria-communication-a-high-throughput-system-to-identify-novel-molecules-modulating-the-induction-of-bacterial-virulence-genes-by-plant-signals
#11
Elodie Vandelle, Maria Rita Puttilli, Andrea Chini, Giulia Devescovi, Vittorio Venturi, Annalisa Polverari
The life cycle of bacterial phytopathogens consists of a benign epiphytic phase, during which the bacteria grow in the soil or on the plant surface, and a virulent endophytic phase involving the penetration of host defenses and the colonization of plant tissues. Innovative strategies are urgently required to integrate copper treatments that control the epiphytic phase with complementary tools that control the virulent endophytic phase, thus reducing the quantity of chemicals applied to economically and ecologically acceptable levels...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28428084/metabolomics-of-fescue-toxicosis-in-grazing-beef-steers
#12
Ryan S Mote, Nicholas S Hill, Karan Uppal, ViLinh T Tran, Dean P Jones, Nikolay M Filipov
Fescue toxicosis (FT) results from consumption of tall fescue (Lolium arundinaceum) infected with an endophyte (Epichloë coenophiala) that produces ergot alkaloids (EA), which are considered key etiological agents of FT. Decreased weight gains, hormonal imbalance, circulating cholesterol disruption, and decreased volatile fatty acid absorption suggest toxic (E+) fescue-induced metabolic perturbations. Employing untargeted high-resolution metabolomics (HRM) to analyze E+ grazing-induced plasma and urine metabolome changes, fescue-naïve Angus steers were placed on E+ or non-toxic (Max-Q) fescue pastures and plasma and urine were sampled before, 1, 2, 14, and 28 days after pasture assignment...
April 18, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28425856/apicidin-inhibited-proliferation-and-invasion-and-induced-apoptosis-via-mitochondrial-pathway-in-non-small-cell-lung-cancer-glc-82-cells
#13
Jianye Zhang, Zhenzhu Lai, Wenjing Huang, Huiping Ling, Minting Lin, Sili Tang, Yun Liu, Yiwen Tao
Apicidin, an inhibitor of histone deacetylase obtained from the mangrove endophytic fungi Fusarium sp., showed a wide range of antiproliferative activity against various cancer cell lines. Apicidin has also been reported to induce apotosis via Fas/Fas ligand. Yet few studies have focused on mitochondrial pathway for its anti-tumor activity. Here, we evaluated its involved mitochondrial mechanism against lung cancer GLC-82 cells. Its structure was elucidated by MS and NMR spectroscopic data, and comparison of those data with published data...
April 19, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28425292/lactone-derivatives-produced-by-a-phaeoacremonium-sp-an-endophytic-fungus-from-senna-spectabilis
#14
Geraldo H Silva, Maria L Zeraik, Camila M de Oliveira, Helder L Teles, Henrique C Trevisan, Ludwig H Pfenning, Camila P Nicolli, Maria C M Young, Yvonne P Mascarenhas, Lucas M Abreu, Amanda C Saraiva, Alexandra I Medeiros, Vanderlan da S Bolzani, Angela R Araujo
Three new isoaigialones, A, B, and C (1-3), along with aigialone (4), were isolated from the crude EtOAc extract of a Phaeoacremonium sp., an endophytic fungus obtained from the leaves of Senna spectabilis. The structures of these compounds were elucidated based on the analysis of spectroscopic data. Compounds 2 and 4 were active against the phytopathogenic fungi Cladosporium cladosporioides and C. sphaerospermum. This is the first report of metabolites produced by an Phaeoacremonium sp., associated with S...
April 20, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28424511/response-of-peanut-arachis-hypogaea-roots-to-the-presence-of-beneficial-and-pathogenic-fungi-by-transcriptome-analysis
#15
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/28424024/molecular-profiling-and-bioactive-potential-of-an-endophytic-fungus-aspergillus-sulphureus-isolated-from-sida-acuta-a-medicinal-plant
#16
M Murali, C Mahendra, P Hema, N Rajashekar, A Nataraju, M S Sudarshana, K N Amruthesh
CONTEXT: Sida acuta Burm.f. (Malvaceae) extracts are reported to have applications against malaria, diuretic, antipyretic, nervous and urinary diseases. No fungal endophytes of S. acuta are reported. OBJECTIVE: Isolation, identification and evaluation of antibacterial, antioxidant, anticancer and haemolytic potential of fungal endophytes from the ethnomedcinal plant S. acuta. MATERIALS AND METHODS: Sida acuta stem segments were placed on PDA medium to isolate endophytic fungi...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28423923/a-new-wortmannine-derivative-from-a-tripterygium-wilfordii-endophytic-fungus-talaromyces-wortmannii-lgt-4
#17
Jing-Yun Sun, Zhong-Duo Yang, Guang-Chao Fu, Yong-Gang Wang, Hong-Yan Xue, Zong-Mei Shu
A new wortmannine derivative named wortmannine E (1) was isolated from Talaromyces wortmannii LGT-4, an endophytic fungus of Tripterygium wilfordii. Its structure was established by 1D and 2D NMR spectra.
April 20, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28423416/beauveria-bassiana-ascomycota-hypocreales-introduced-as-an-endophyte-in-corn-plants-and-its-effects-on-consumption-reproductive-capacity-and-food-preference-of-dichroplus-maculipennis-orthoptera-acrididae-melanoplinae
#18
Sebastian A Pelizza, Yanina Mariottini, Leticia M Russo, M Florencia Vianna, Ana C Scorsetti, Carlos E Lange
In this study, the effects of strain Beauveria bassiana (LPSC 1067) as an endophyte in corn plants on consumption, fecundity, and food preference of Dichroplus maculipennis were examined. We observed that the daily consumption by grasshoppers fed with control plants was almost twice that of those that were fed treated plants. Significant differences in fecundity of grasshoppers that were fed with treated plants compared with those that only fed on control plants were also observed. The number of eggs laid per female fed with control plants was 27...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28422496/the-combined-use-of-proteomics-and-transcriptomics-reveals-a-complex-secondary-metabolite-network-in-peperomia-obtusifolia
#19
Andrea N L Batista, José Roberto A Dos Santos-Pinto, João M Batista, Tatiana M Souza-Moreira, Mariana M Santoni, Cleslei F Zanelli, Massuo J Kato, Silvia N López, Mario S Palma, Maysa Furlan
Peperomia obtusifolia, an ornamental plant from the Piperaceae family, accumulates a series of secondary metabolites with interesting biological properties. From a biosynthesis standpoint, this species produces several benzopyrans derived from orsellinic acid, which is a polyketide typically found in fungi. Additionally, the chiral benzopyrans were reported as racemic and/or as diastereomeric mixtures, which raises questions about the level of enzymatic control in the cyclization step for the formation of the 3,4-dihydro-2H-pyran moiety...
April 19, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28421861/the-plant-dependent-life-cycle-of-thecaphora-thlaspeos-a-smut-fungus-adapted-to-brassicaceae
#20
Lamprinos Frantzeskakis, Kaitlyn J Courville, Lesley Plücker, Ronny Kellner, Julia Kruse, Andreas Brachmann, Michael Feldbrügge, Vera Göhre
Smut fungi are globally distributed plant pathogens that infect agriculturally important crop plants such as maize or potato. To date, molecular studies on plant responses to smut fungi are challenging due to the genetic complexity of their host plants. Therefore, we set out to investigate the known smut fungus of Brassicaceae hosts, Thecaphora thlaspeos. T. thlaspeos infects different Brassicaceae plant species throughout Europe, including the perennial model plant Arabis alpina. In contrast to characterized smut fungi, mature and dry T...
April 2017: Molecular Plant-microbe Interactions: MPMI
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