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tricalcium phosphate solubilization and nitrogen fixation by newly isolated aneurinibacillus aneurinilyticus ckmv1 from rhizosphere of valeriana jatamansi and its growth promotional effect.aneurinibacillus aneurinilyticus strain ckmv1 was isolated from rhizosphere of valeriana jatamansi and possessed multiple plant growth promoting traits like production of phosphate solubilization (260mg/l), nitrogen fixation (202.91nmolethyleneml(-1)h(-1)), indole-3-acetic acid (iaa) (8.1μg/ml), siderophores (61.60%), hcn (hydrogen cyanide) production and antifungal activity. we investigated the ability of isolate ckmv1 to solubilize insoluble p via mechanism of organic acid production. high-per ...201728063921
down-regulatory effect of thymus vulgaris l. on growth and tri4 gene expression in fusarium oxysporum strains.the aims of this study were to evaluate the efficacy of thymus vulgaris (t. vulgaris) essential oil on the fungal growth and tri4 gene expression in fusarium oxysporum (f. oxysporum) strains. the oil was obtained by water-distillation using a clevenger-type system. the chemical composition of the essential oil was obtained by gas chromatography- mass spectroscopy (gc-ms) and by retention indices. the antifungal activity was evaluated by broth microdilution assay. a quantitative real time rt-pcr ...201728062283
chemical profile and defensive function of the latex of euphorbia peplus.plant latex is an endogenous fluid secreted from highly specialized laticifer cells and has been suggested to act as a plant defense system. the chemical profile of the latex of euphorbia peplus was investigated. a total of 13 terpenoids including two previously unknown diterpenoids, (2s*,3s*,4r*,5r*,6r*,8r*,l1r*,13s*,14s*,15r*, 16r*)-5,8,15-triacetoxy-3-benzoyloxy-11,16-dihydroxy-9-oxopepluane and (2r*,3r*, 4s*,5r*,7s*,8s*,9s*,l3s*,14s*,15r*)-2,5,8,9,14-pentaacetoxy-3-benzoyloxy-15-hydroxy-7-is ...201728062071
a novel peroxidase purified from marsdenia megalantha latex inhibits phytopathogenic fungi mediated by cell membrane permeabilization.an antifungal class iii peroxidase was purified from marsdenia megalantha latex (named mo-pox) using deae-cellulose and gel filtration chromatography on a superose 12 hr 10/30 column. mm-pox has an apparent molecular mass of 67.0kda and a pi of 5.2, shares identity with other peroxidases, and follows michaelis-menten kinetics. it has a high affinity for guaiacol and hydrogen peroxide. the ph and temperature optima for mm-pox were 5.0-7.0 and 60°c, respectively. the catalytic activity of mm-pox w ...201728057569
defense peptide repertoire of stellaria media predicted by high throughput next generation sequencing.being perfectly adapted to diverse environments, chickweed (stellaria media (l.) vill), a ubiquitous garden weed, grows widely in europe and north america. as opposed to the model plants, many weeds, and s. media in particular, have been poorly studied, although they are likely to contain promising components of immunity and novel resistance genes. in this study, for the first time rna-seq analysis of healthy and infected with fusarium oxysporum chickweed seedlings, as well as de novo transcript ...201728038935
antimicrobial activity of medicinal plants correlates with the proportion of antagonistic endophytes.medicinal plants are known to harbor potential endophytic microbes, due to their bioactive compounds. in a first study of ongoing research, endophytic bacteria were isolated from two medicinal plants, hypericum perforatum and ziziphora capitata with contrasting antimicrobial activities from the chatkal biosphere reserve of uzbekistan, and their plant-specific traits involved in biocontrol and plant growth promotion were evaluated. plant extracts of h. perforatum exhibited a remarkable activity a ...201728232827
suppression of fusarium wilt of cucumber by ammonia gas fumigation via reduction of fusarium population in the field.cucumber plants subjected to consecutive monoculture for 9 years were found to suffer from severe fusarium wilt disease, caused by the soil-borne fungus fusarium oxysporum f. sp. cucumerinum j. h. owen. in the present study, greenhouse experiments were performed to evaluate the influence of ammonia gas fumigation on fusarium wilt suppression, fungal abundance and fungal community composition. results showed that ammonia gas fumigation remarkably reduced disease incidence from 80% to 27%, resulti ...201728230182
multiple garlic (allium sativum l.) micrornas regulate the immunity against the basal rot fungus fusarium oxysporum f. sp. cepae.the basal plate rot fungus, fusarium oxysporum f. sp. cepae (foc), is the most devastating pathogen posing a serious threat to garlic (allium sativum l.) production worldwide. micrornas (mirnas) are key modulators of gene expression related to development and defense responses in eukaryotes. however, the mirna species associated with garlic immunity against foc are yet to be explored. in the present study, a small rna library developed from foc infected resistant garlic line was sequenced to ide ...201728224922
development of mesorhizobium ciceri-based biofilms and analyses of their antifungal and plant growth promoting activity in chickpea challenged by fusarium wilt.biofilmed biofertilizers have emerged as a new improved inoculant technology to provide efficient nutrient and pest management and sustain soil fertility. in this investigation, development of a trichoderma viride-mesorhizobium ciceri biofilmed inoculant was undertaken, which we hypothesized, would possess more effective biological nitrogen fixing ability and plant growth promoting properties. as a novel attempt, we selected mesorhizobium ciceri spp. with good antifungal attributes with the assu ...201728148979
trichoderma harzianum containing 1-aminocyclopropane-1-carboxylate deaminase and chitinase improved growth and diminished adverse effect caused by fusarium oxysporum in soybean.an isolate, named trichoderma harzianum t-soybean, showed growth-promoting for soybean seedlings and induced resistance to fusarium oxysporum under greenhouse. compared to control soybean seedlings, fresh weight, dry weight, lateral root number, chlorophyll content, root activity and soluble protein of plants pretreated with t-soybean increased, but initial pod height reduced. furthermore, we found that t-soybean inhibited the growth of f. oxysporum by parasitic function. in addition, plate test ...201728135657
synthesis and antifungal activity of novel myrtenal-based 4-methyl-1,2,4-triazole-thioethers.a series of novel myrtenal derivatives bearing 1,2,4-triazole moiety were designed and synthesized by multi-step reactions in an attempt to develop potent antifungal agents. their structures were confirmed by using uv-vis, ftir, nmr, and esi-ms analysis. antifungal activity of the target compounds was preliminarily evaluated by the in vitro method against fusarium oxysporum f. sp. cucumerinum, physalospora piricola, alternaria solani, cercospora arachidicola, and gibberella zeae at 50 µg/ml. com ...201728125042
discovery of fungal denitrification inhibitors by targeting copper nitrite reductase from fusarium oxysporum.the efficient application of nitrogenous fertilizers is urgently required, as their excessive and inefficient use is causing substantial economic loss and environmental pollution. a significant amount of applied nitrogen in agricultural soils is lost as nitrous oxide (n2o) in the environment due to the microbial denitrification process. the widely distributed fungus fusarium oxysporum is a major denitrifier in agricultural soils and its denitrification activity could be targeted to reduce nitrog ...201728117584
novel 1,2,3-triazolium-functionalized starch derivatives: synthesis, characterization, and evaluation of antifungal property.four novel 1,2,3-triazolium-functionalized starch derivatives were synthesized by n-alkylating the precursor starch derivatives with 1,2,3-triazole with iodomethane based on cuprous-catalyzed azide-alkyne cycloaddition (cuaac). the detailed structural characterization was investigated by means of ftir, uv-vis, (1)h nmr, and (13)c nmr spectra. the antifungal activities of starch derivatives against colletotrichum lagenarium, fusarium oxysporum, and watermelon fusarium, were then assayed by hypha ...201728115090
a tomatinase-like enzyme acts as a virulence factor in the wheat pathogen fusarium graminearum.during their interactions with plants, fungal pathogens employ large numbers of pathogenesis-associated molecules including secreted effectors and enzymes that can degrade various defence compounds. however, in many cases, in planta targets of pathogen-produced enzymes remain unknown. we identified a gene in the wheat pathogen fusarium graminearum, encoding a putative enzyme that shows 84% sequence identity to fotom1, a tomatinase produced by the tomato pathogen fusarium oxysporum f. sp. lycoper ...201728109774
structure-activity relationship of α mating pheromone from the fungal pathogen fusarium oxysporum.during sexual development ascomycete fungi produce two types of peptide pheromones termed a and α. the α pheromone from the budding yeast saccharomyces cerevisiae, a 13-residue peptide that elicits cell cycle arrest and chemotropic growth, has served as paradigm for the interaction of small peptides with their cognate g protein-coupled receptors. however, no structural information is currently available for α pheromones from filamentous ascomycetes, which are significantly shorter and share almo ...201728100777
fusaric acid contributes to virulence of fusarium oxysporum on plant and mammalian hosts.fusaric acid (fa) is amongst the oldest identified secondary metabolites produced by fusarium species, known for a long time to display strong phytotoxicity and moderate toxicity to animal cells; however, the cellular targets of fa and its function in fungal pathogenicity remain unknown. here, we investigated the role of fa in fusarium oxysporum, a soil-borne cross-kingdom pathogen that causes vascular wilt on more than 100 plant species and opportunistic infections in humans. targeted deletion ...201728093838
expression and distribution of extensins and agps in susceptible and resistant banana cultivars in response to wounding and fusarium oxysporum.banana fusarium wilt caused by fusarium oxysporum f. sp. cubense (foc) is soil-borne disease of banana (musa spp.) causing significant economic losses. extensins and arabinogalactan proteins (agps) are cell wall components important for pathogen defence. their significance for foc resistance in banana was not reported so far. in this study, two banana cultivars differing in foc sensitivity were used to monitor the changes in transcript levels, abundance and distribution of extensins and agps aft ...201728218299
rapid and sensitive diagnoses of dry root rot pathogen of chickpea (rhizoctonia bataticola (taub.) butler) using loop-mediated isothermal amplification assay.dry root rot (drr) caused by the fungus rhizoctonia bataticola (taub.) butler, is an emerging disease in chickpea. the disease is often mistaken with other root rots like fusarium wilt, collar rot and black root rot in chickpea. therefore, its timely and specific detection is important. current detection protocols are either based on mycological methods or on protocols involving dna amplification by polymerase chain reaction (pcr). here we report the rapid and specific detection of r. bataticola ...201728218268
draft genome sequence of an isolate of fusarium oxysporum f. sp. melongenae, the causal agent of fusarium wilt of eggplant.here, we present the genome sequence of an isolate (14004) of fusarium oxysporum f. sp. melongenae, an eggplant pathogen. the final assembly consists of 1,631 scaffolds with 53,986,354 bp (g+c content, 46.4%) and 16,485 predicted genes.201728209821
paenibacillus polymyxa nsy50 suppresses fusarium wilt in cucumbers by regulating the rhizospheric microbial community.paenibacillus polymyxa (p. polymyxa) nsy50, isolated from vinegar residue substrate, suppresses the growth of fusarium oxysporum in the cucumber rhizosphere and protects the host plant from pathogen invasion. the aim of the present study was to evaluate the effects of nsy50 application on cucumber growth, soil properties and composition of the rhizospheric soil microbial community after exposure to fusarium oxysporum. bacterial and fungal communities were investigated by illumina sequencing of t ...201728198807
potential of burkholderia seminalis tc3.4.2r3 as biocontrol agent against fusarium oxysporum evaluated by mass spectrometry imaging.species of genus burkholderia display different interaction profiles in the environment, causing either several diseases in plants and animals or being beneficial to some plants, promoting their growth, and suppressing phytopathogens. burkholderia spp. also produce many types of biomolecules with antimicrobial activity, which may be commercially used to protect crops of economic interest, mainly against fungal diseases. herein we have applied matrix-assisted laser desorption/ionization mass spec ...201728194740
development of a hydrolysis probe-based real-time assay for the detection of tropical strains of fusarium oxysporum f. sp. cubense race 4.fusarium oxysporum f. sp. cubense (foc) is one of the most important threats to global banana production. strategies to control the pathogen are lacking, with plant resistance offering the only long-term solution, if sources of resistance are available. prevention of introduction of foc into disease-free areas thus remains a key strategy to continue sustainable banana production. in recent years, strains of foc affecting cavendish bananas have destroyed plantations in a number of countries in as ...201728178348
a rare case of subcutaneous fusariosis in an immunocompetent patient.fusarium species can cause diseases in immunocompromised patients, whereas have rarely been reported as pathogens in immunocompetent individuals. fusarium oxysporum and f. solani species complex are the most frequent pathogenic species. primary subcutaneous hyalohyphomycosis due to these filamentous fungi is an extremely rare pathology, especially in immunocompetent patients. only 37 cases of deep fusarium infection in healthy patient have been reported in international literature. we report a c ...201728166614
small rnas regulate the biocontrol property of fluorescent pseudomonas strain psd.the production of biocontrol factors by pseudomonads is reported to be controlled at the post-transcriptional level by the gacs/gaca signal transduction pathway. this involves rna-binding translational repressor proteins, rsma and rsme, and the small regulatory rnas (srnas) rsmx, rsmy, and rsmz. while the former represses genes involved in secondary metabolite production, the latter relieves this repression at the end of exponential growth. we have studied the fluorescent pseudomonas strain psd, ...201728164793
genetic mapping of resistance to fusarium oxysporum f. sp. tulipae in tulip.fusarium oxysporum is a major problem in the production of tulip bulbs. breeding for resistant cultivars through a conventional approach is a slow process due to the long life cycle of tulip. until now, marker-assisted selection (mas) has been hampered by the large genome size and the absence of a genetic map. this study is aimed at construction of the first genetic map for tulip and at the identification of loci associated with resistance to f. oxysporum. a cross-pollinated population of 125 in ...201725983613
first report of fusarium oxysporum species complex infection in zebrafish culturing system.fusarium oxysporum species complex (fosc) is a highly diverse fungus. recently, f. oxysporum infection was identified from zebrafish (danio rerio) culturing system in korea. initially, a rapid whitish smudge was appeared in the water with the fungal blooming on walls of fish tanks. microscopic studies were conducted on fungal hyphae, colony pigmentation and chlamydospore formation and the presence of macro- and microspores confirmed that the isolated fungus as f. oxysporum. furthermore, isolated ...201727451953
agroindustrial composts to reduce the use of peat and fungicides in the cultivation of muskmelon seedlings.environmental concerns about peat extraction in wetland ecosystems have increased. therefore, there is an international effort to evaluate alternative organic substrates for the partial substitution of peat. the aim of this work was to use different composts (c1-c10) obtained from the fruit and vegetable processing industry (pepper, carrot, broccoli, orange, artichoke residues, sewage sludge (citric and pepper) and vineyard pruning wastes) to produce added-value composts as growing media with su ...201727197924
success evaluation of the biological control of fusarium wilts of cucumber, banana, and tomato since 2000 and future research strategies.the fusarium wilt caused by fusarium oxysporum strains is the most devastating disease of cucumber, banana, and tomato. the biological control of this disease has become an attractive alternative to the chemical fungicides and other conventional control methods. in this review, the research trends and biological control efficiencies (bce) of different microbial strains since 2000 are reviewed in detail, considering types of microbial genera, inoculum application methods, plant growth medium and ...201726810104
preparation, characterization, and bio-efficacy evaluation of controlled release carbendazim-loaded polymeric nanoparticles.synthesis and controlled release study of polymeric nanoformulation of carbendazim (2-benzimidazole carbamic acid methyl ester) using chitosan and pectin is reported in this article. the formulation was subjected to morphological, physiological, in vitro fungicide release and bio-efficacy evaluation studies. the average size of nanoparticles was found to be in the range of 70-90 nm as confirmed by transmission electron microscopy. the in vitro fungicide release of nanoformulated carbendazim was ...201727761863
genetic analysis and chromosome mapping of resistance to fusarium oxysporum f. sp. niveum (fon) race 1 and race 2 in watermelon (citrullus lanatus l.).fusarium wilt (fw) caused by fusarium oxysporum f. sp. niveum (fon) is the major soilborne disease of watermelon (citrullus lanatus l.). the development and deployment of resistant cultivars is generally considered to be an effective approach to control fw. in this study, an f8 population consisting of 103 recombinant inbred lines derived from a cross between the cultivar 97103 and a wild accession pi 296341-fr was used for fon race 1 and race 2 fungal inoculations. one major qtl on chromosome 1 ...201726347205
biocontrol potential of halotolerant bacterial chitinase from high yielding novel bacillus pumilus mcb-7 autochthonous to mangrove ecosystem.the multifaceted role of chitinase in medicine, agriculture, environmental remediation and various other industries greatly demands the isolation of high yielding chitinase producing microorganisms with improved properties. the current study aimed to investigate the isolation, characterization and biocontrol prospective of chitinase producing bacterial strains autochthonous to the extreme conditions of mangrove ecosystems. among the 51 bacterial isolates screened, bacillus pumilus mcb-7 with hig ...201728364802
enzyme inhibitory metabolites from endophytic penicillium citrinum isolated from boswellia sacra.fungal endophytes establish an important niche within the host plant through the secretion of chemical constituents. isolation of bioactive metabolites could be a vital source for inhibiting the function of enzymes such as α-glucosidase and urease. the present study aimed to elucidate the potential of endophytes associated with boswellia sacra through bioassay-guided isolation and identification of secondary metabolites with enzyme inhibitory ability. endophytic fungal strains viz. penicillium c ...201728220202
streptomyces luozhongensis sp. nov., a novel actinomycete with antifungal activity and antibacterial activity.a novel actinomycete strain, designated trm 49605(t), was isolated from a desert soil sample from lop nur, xinjiang, north-west china, and characterised using a polyphasic taxonomic approach. the strain exhibited antifungal activity against the following strains: saccharomyces cerevisiae, curvularia lunata, aspergillus flavus, aspergillus niger, fusarium oxysporum, penicillium citrinum, candida albicans and candida tropicalis; antibacterial activity against bacillus subtilis, staphylococcus epid ...201727752797
diversity, phylogeny, anticancer and antimicrobial potential of fungal endophytes associated with monarda citriodora l.present study focuses on diversity and distribution analysis of endophytic fungi associated with different tissues of the monarda citriodora cerv. ex lag. (lamiaceae/labiatae). anticancer and antimicrobial potential of isolated endophytes have also been investigated.201728264654
molecular evidence for the involvement of a polygalacturonase-inhibiting protein, ghpgip1, in enhanced resistance to verticillium and fusarium wilts in cotton.polygalacturonase-inhibiting protein (pgip), belonging to a group of plant defence proteins, specifically inhibits endopolygalacturonases secreted by pathogens. herein, we showed that purified ghpgip1 is a functional inhibitor of verticillium dahliae and fusarium oxysporum f. sp. vasinfectum, the two fungal pathogens causing cotton wilt. transcription of ghpgip1 was increased in cotton upon infection, wounding, and treatment with defence hormone and h2o2. resistance by ghpgip1 was examined by it ...201728079053
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