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https://www.readbyqxmd.com/read/28822150/-antimicrobial-and-anti-tumor-activities-of-endophytes-from-lycium-barbarum-of-ningxia
#1
Jin-Xia Dai, Xiao-Ning Du
The antimicrobial activity and cytotoxicity in vitro of the fermentation broth of 10 endophytic strains isolated from Lycium barbarum were determined to screen high activity endophytic strains. Sequences analysis of ITS and 16S rDNA was used for molecular identification of the strains. The results showed that 5 endophytic fungi had no inhibitory activity against the tested pathogens. Endophytic actinomycete strain AL6 had a certain inhibitory effect on 3 kinds of pathogenic fungi, and strain AL5 only had strong inhibitory activity against Staphylococcus aureus...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28820121/aureimonas-endophytica-sp-nov-a-novel-endophytic-bacterium-isolated-from-aegiceras-corniculatum
#2
Fei-Na Li, Li Tuo, Zhen Pan, Min Guo, Simon Ming-Yuen Lee, Li Chen, Lin Hu, Cheng-Hang Sun
A Gram-negative, motile, aerobic and coccoid rod-shaped bacterium, designated strain 2T4P-2-4T, was isolated from a piece of surface-sterilized bark of Aegiceras corniculatum collected from Cotai Ecological Zones in Macao, China, and tested by a polyphasic approach to clarify its taxonomic position. Strain 2T4P-2-4T grew optimally without NaCl at 28-30 °C, pH 7.0-8.0. The 16S rRNA gene sequence of strain 2T4P-2-4T had the highest similarity (96.2 %) to Aureimonas rubiginis CC-CFT034T. Phylogenetic analysis showed that the strain grouped with species of the genus Aureimonas...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820092/rhizobium-wenxiniae-sp-nov-an-endophytic-bacterium-isolated-from-maize-root
#3
Jun-Lian Gao, Pengbo Sun, Xu-Ming Wang, Fan-Yang Lv, Xiao-Jie Mao, Jian-Guang Sun
A novel Gram-stain-negative, aerobic, rod-shaped strain designated 166T was isolated from surface-sterilized root tissue of maize planted in the Fangshan District of Beijing, PR China. The 16S rRNA gene sequence analysis indicated that strain 166T belongs to the genus Rhizobium and is closely related to Rhizobium cellulosilyticum ALA10B2T and Rhizobium yantingense H66T with sequence similarities of 98.8 and 98.3 %, respectively. According to atpD and recA sequence analysis, the highest sequence similarity between strain 166T and R...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28819197/mortierella-alpina-cs10e4-an-oleaginous-fungal-endophyte-of-crocus-sativus-l-enhances-apocarotenoid-biosynthesis-and-stress-tolerance-in-the-host-plant
#4
Zahoor Ahmed Wani, Amit Kumar, Phalisteen Sultan, Kushal Bindu, Syed Riyaz-Ul-Hassan, Nasheeman Ashraf
Crocus sativus is the only plant species which produces apocarotenoids like crocin, picrocrocin and safranal in significant amounts. These compounds impart organoleptic properties to saffron (dried stigmas of Crocus flower) making it world's costliest spice. Crocus apocarotenoids have tremendous medicinal properties as well. Effect of endophytes on Crocus apocarotenoid production and the molecular mechanism involved has not been reported so far. Here we studied the effect of an oleaginous fungal endophyte, Mortierella alpina CS10E4 on Crocus growth, apocarotenoid metabolism and tolerance to corm rot disease...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818909/draft-genome-sequence-of-grammothele-lineata-sdl-co-2015-1-a-jute-endophyte-with-a-potential-for-paclitaxel-biosynthesis
#5
Avizit Das, Oly Ahmed, A K M Abdul Baten, Samira Bushra, M Tariqul Islam, Ahlan Sabah Ferdous, Mohammad Riazul Islam, Haseena Khan
Grammothele lineata strain SDL-CO-2015-1, a basidiomycete fungus, was identified as an endophyte from a jute species, Corchorus olitorius var. 2015, and found to produce paclitaxel, a diterpenic polyoxygenated pseudoalkaloid with antitumor activity. Here, we report the draft genome sequence (42.8 Mb with 9,395 genes) of this strain.
August 17, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28818365/the-endophytic-fungus-piriformospora-indica-enhances-arabidopsis-thaliana-growth-and-modulates-na-k-homeostasis-under-salt-stress-conditions
#6
Mohamed E Abdelaziz, Dongjin Kim, Shawkat Ali, Nina V Fedoroff, Salim Al-Babili
The mutualistic, endophytic fungus Piriformospora indica has been shown to confer biotic and abiotic stress tolerance to host plants. In this study, we investigated the impact of P. indica on the growth of Arabidopsis plants under normal and salt stress conditions. Our results demonstrate that P. indica colonization increases plant biomass, lateral roots density, and chlorophyll content under both conditions. Colonization with P. indica under salt stress was accompanied by a lower Na(+)/K(+) ratio and less pronounced accumulation of anthocyanin, compared to control plants...
October 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28814407/fungal-endophyte-communities-in-the-temperate-fern-polystichum-munitum-show-early-colonization-and-extensive-temporal-turnover
#7
Brett S Younginger, Daniel J Ballhorn
PREMISE OF THE STUDY: Fungal endophytes have been shown to colonize all land plants, yet surprisingly little attention has been given to their community composition in ferns. We examined the diversity and temporal turnover of fungal endophytes in foliar tissue of the temperate western sword fern, Polystichum munitum, comparing taxa in newly emerged leaflets and in the same fronds after 1 mo of exposure in the field. METHODS: Utilizing next-generation sequencing, we sampled pinnae from P...
August 16, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/28809955/biodegradation-of-diuron-by-an-endophytic-fungus-neurospora-intermedia-dp8-1-isolated-from-sugarcane-and-its-potential-for-remediating-diuron-contaminated-soils
#8
Yanhui Wang, Honghong Li, Guojun Feng, Liangwei Du, Dongqiang Zeng
A diuron-degrading endophyte DP8-1 was isolated from sugarcane root grown in diuron-treated soil in the present study. The endophyte was identified as Neurospora intermedia based on the morphological characteristics and sequence analysis. The fermentation parameters including temperature, pH, inoculation size, carbon source, and initial diuron concentration were also investigated for the optimization of degradation efficiency. The results indicated that strain DP8-1 was capable of degrading up to 99% diuron within 3 days under the optimal degrading condition...
2017: PloS One
https://www.readbyqxmd.com/read/28805453/colletotrichine-a-a-new-sesquiterpenoid-from-colletotrichum-gloeosporioides-gt-7-a-fungal-endophyte-of-uncaria-rhynchophylla
#9
Xiao-Wei Chen, Zhong-Duo Yang, Jian-Hui Sun, Tong-Tong Song, Bao-Ying Zhu, Jun-Wen Zhao
One new compound, Colletotrichine A (1), was produced by the fungal Colletotrichum gloeosporioides GT-7. The structure was established by 1D and 2D NMR spectra. Monoamine oxidase (MAO) and acetylcholinesterase (AChE) inhibitory activity of 1 was also evaluated. Compound 1 showed AChE-inhibiting activity with IC50 value of 28 μg/mL.
August 14, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28804491/phylloremediation-of-air-pollutants-exploiting-the-potential-of-plant-leaves-and-leaf-associated-microbes
#10
REVIEW
Xiangying Wei, Shiheng Lyu, Ying Yu, Zonghua Wang, Hong Liu, Dongming Pan, Jianjun Chen
Air pollution is air contaminated by anthropogenic or naturally occurring substances in high concentrations for a prolonged time, resulting in adverse effects on human comfort and health as well as on ecosystems. Major air pollutants include particulate matters (PMs), ground-level ozone (O3), sulfur dioxide (SO2), nitrogen dioxides (NO2), and volatile organic compounds (VOCs). During the last three decades, air has become increasingly polluted in countries like China and India due to rapid economic growth accompanied by increased energy consumption...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28803995/depsidones-and-an-%C3%AE-pyrone-derivative-from-simpilcillium-sp-psu-h41-an-endophytic-fungus-from-hevea-brasiliensis-leaf
#11
Praphatsorn Saetang, Vatcharin Rukachaisirikul, Souwalak Phongpaichit, Sita Preedanon, Jariya Sakayaroj, Suparerk Borwornpinyo, Sawinee Seemakhan, Chatchai Muanprasat
Nine previously undescribed depsidones (simplicildones A-I) and one previously undescribed α-pyrone (simplicilopyrone) were isolated from the endophytic fungus Simplicillium sp. PSU-H41 along with 11 known compounds. Their structures were established by extensive spectroscopic analysis. Simplicildone A and known botryorhodine C displayed weak antibacterial against Staphylococcus aureus with equal MIC values of 32 μg/mL. Additionally, botryorhodine C was active against methicillin-resistant S. aureus with the same MIC value...
August 9, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28799077/arbuscular-mycorrhizal-fungus-inoculation-reduces-the-drought-resistance-advantage-of-endophyte-infected-versus-endophyte-free-leymus-chinensis
#12
Hui Liu, Wei Chen, Man Wu, Rihan Wu, Yong Zhou, Yubao Gao, Anzhi Ren
Grasses can be infected simultaneously by endophytic fungi and arbuscular mycorrhizal (AM) fungi. In this study, we tested the hypothesis that endophyte-associated drought resistance of a native grass was affected by an AM fungus. In a greenhouse experiment, we compared the performance of endophyte-infected (EI) and endophyte-free (EF) Leymus chinensis, a dominant species native to the Inner Mongolia steppe, under altered water and AM fungus availability. The results showed that endophyte infection significantly increased drought resistance of the host grass, but the beneficial effects were reduced by AM fungus inoculation...
August 10, 2017: Mycorrhiza
https://www.readbyqxmd.com/read/28798173/draft-genome-sequence-of-the-endophytic-bacillus-aryabhattai-strain-squ-r12-identified-from-phoenix-dactylifera-l-roots
#13
Mahmoud W Yaish
Bacillus aryabhattai strain SQU-R12 was isolated from date palm seedlings, where it showed a growth-promoting capacity by being able to synthesize indole-3-acetic acid phytohormone and reduce ethylene biosynthesis by producing 1-aminocyclopropane-1-carboxylic acid deaminase. The draft genome sequence of this strain is reported here.
August 10, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28796420/chaetochromones-a-c-three-new-polyketides-from-mangrove-plant-derived-endophytic-fungus-phomopsis-sp-scsio-41006
#14
Zhi-Ran Ju, Xiu-Ping Lin, Minke Li, Ying Wang, Yong-Qi Tian, Jun-Feng Wang, Juan Liu, Zhengchao Tu, Shi-Hai Xu, Yonghong Liu
Three new polyketides, chaetochromones A-C (1-3), together with a chromone (4), were isolated from the ethyl acetate extract of mangrove-derived fungus Phomopsis sp. SCSIO 41006. Their structures were elucidated by means of spectroscopic techniques (1D and 2D NMR, MS, UV and IR). The absolute configurations of the new compounds were established by CD data. This article is protected by copyright. All rights reserved.
August 10, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28794920/isolation-identification-and-characterization-of-arsenic-transforming-exogenous-endophytic-citrobacter-sp-rpt-from-roots-of-pteris-vittata
#15
T Selvankumar, R Radhika, R Mythili, S Arunprakash, P Srinivasan, M Govarthanan, Hyunook Kim
The aim of the present study was to assess the arsenic (As) transformation potential of endophytic bacteria isolated from roots of Pteris vittata plant. The endophytic bacterium was tested for minimal inhibitory concentration (MIC) against As. The endophytic strain RPT exhibited the highest resistance to As(V) (400 mg/l). Phylogenetic analysis of the 16S rRNA sequence suggested that strain RPT was a member of genus Citrobacter. The As transformation assay revealed As(III) oxidation and As(V) reduction potential of Citrobacter sp...
August 2017: 3 Biotech
https://www.readbyqxmd.com/read/28793837/further-investigation-of-equine-fescue-oedema-induced-by-mediterranean-tall-fescue-lolium-arundinaceum-infected-with-selected-fungal-endophytes-epichlo%C3%A3-coenophiala
#16
S C Finch, J S Munday, B L Sutherland, J B Vlaming, L R Fletcher
AIMS: To determine if equine fescue oedema (EFO) induced by grazing Mediterranean-type tall fescue (Lolium arundinaceum) infected with selected endophytes (Epichloë coenophiala) could be prevented by treatment with the corticosteroid, methylprednisolone, and anti-histamine cetirizine, and to determine concentrations of lolines, specifically N-acetyl norloline (NANL), in grasses grazed by horses that did and did not develop EFO. METHODS: Four horses were grazed on AR542-infected Mediterranean tall fescue pasture (from Day 0) for 7 days prior to being subjected to euthanasia...
August 9, 2017: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/28791444/design-and-development-of-a-workflow-for-microbial-spray-formulations-including-decision-criteria
#17
Ana Bejarano, Ursula Sauer, Claudia Preininger
Herein, we present a workflow for the development of talc-based microbial inoculants for foliar spray consisting of four steps. These include together with decision-making criteria (1) the selection of additives based on their capability to wet juvenile maize leaves, (2) their adhesion on the plant, (3) their interaction with the biological systems, and (4) the choice of thickener for good dispersion stability. In total, 29 additives including polysaccharides and proteins, polyols, glycosides, oils, waxes, and surfactants (e...
August 8, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28790982/isolation-and-characterization-of-terrein-an-antimicrobial-and-antitumor-compound-from-endophytic-fungus-aspergillus-terreus-jas-2-associated-from-achyranthus-aspera-varanasi-india
#18
Jyoti Goutam, Gunjan Sharma, Vinod K Tiwari, Amrita Mishra, Ravindra N Kharwar, Vijayakumar Ramaraj, Biplob Koch
The present study aimed at characterizing biological potentials of endophyte Aspergillus terreus JAS-2 isolated from Achyranthus aspera. Crude extracted from endophytic fungus JAS-2 was purified and chemically characterized by chromatographic and spectroscopic studies respectively. Spectral assignment of NMR (nuclear magnetic resonance) data, (1)H proton and (13)C carbon analysis along with FTIR data elucidated the structure of compound as 4,5-Dihydroxy-3-(1-propenyl)-2-cyclopenten-1-one. After purification and identification a set of experiment was conducted to explore efficacy of compound...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28783599/root-endophytic-fungus-piriformospora-indica-affected-growth-cadmium-partitioning-and-chlorophyll-fluorescence-of-sunflower-under-cadmium-toxicity
#19
Saleh Shahabivand, Azar Parvaneh, Ali Asghar Aliloo
Cadmium (Cd) pollution in the soil threatens the quality of environmental health, and deleteriously affects physiological activities of crops. Symbiosis of endophytic fungi with various plants is a promising manner to improving numerous plant characteristics and remediating heavy metal-polluted soils. In this pot experiment, the influence of root endophyte fungus Piriformospora indica on growth, physiological parameters and organs Cd accumulation in sunflower cv. Zaria plants under the toxic levels of Cd (0, 40, 80 and 120mg/kg soil) were studied...
August 4, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28774982/draft-genome-sequence-of-an-endophytic-fungus-gaeumannomyces-sp-strain-js-464-isolated-from-a-reed-plant-phragmites-communis
#20
Jung A Kim, Jongbum Jeon, Ki-Tae Kim, Gobong Choi, Sook-Young Park, Hyun-Jung Lee, Sang-Hee Shim, Yong-Hwan Lee, Soonok Kim
An endophytic fungus, Gaeumannomyces sp. strain JS-464, is capable of producing a number of secondary metabolites which showed significant nitric oxide reduction activity. The draft genome assembly has a size of 53,151,282 bp, with a G+C content of 53.11% consisting of 80 scaffolds with an N50 of 7.46 Mbp.
August 3, 2017: Genome Announcements
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