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fusarium wheat or triticum

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https://www.readbyqxmd.com/read/28433743/the-antibiotic-polymyxin-b-exhibits-novel-antifungal-activity-against-fusarium-species
#1
Li-Hang Hsu, Hsuan-Fu Wang, Pei-Lun Sun, Fung-Rong Hu, Ying-Lien Chen
The genus Fusarium comprises many species, including Fusarium oxysporum, Fusarium solani, Fusarium graminearum and Fusarium verticillioides, and causes severe infections in plants and humans. In clinical settings, Fusarium is the third most frequent mould to cause invasive fungal infections after Aspergillus and the Mucorales. Fusarium solani and F. oxysporum are the most prevalent Fusarium spp. causing clinical disease. However, few effective antifungal drugs are available to treat human and plant Fusarium infections...
April 19, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28424497/the-glycogen-synthase-kinase-mogsk1-regulated-by-mps1-map-kinase-is-required-for-fungal-development-and-pathogenicity-in-magnaporthe-oryzae
#2
Tengsheng Zhou, Yasin F Dagdas, Xiaohan Zhu, Shiqin Zheng, Liqiong Chen, Zachary Cartwright, Nicholas J Talbot, Zonghua Wang
Magnaporthe oryzae, the causal agent of blast disease, is one of the most destructive plant pathogens, causing significant yield losses on staple crops such as rice and wheat. The fungus infects plants with a specialized cell called an appressorium, whose development is tightly regulated by MAPK signaling pathways following the activation of upstream sensors in response to environmental stimuli. Here, we show the expression of the Glycogen synthase kinase 3 (GSK3) MoGSK1 in M. oryzae is regulated by Mps1 MAP kinase, particularly under the stressed conditions...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28414109/synthesis-and-characterization-of-chitosan-nanoparticles-and-their-effect-on-fusarium-head-blight-and-oxidative-activity-in-wheat
#3
A Kheiri, S A Moosawi Jorf, A Malihipour, H Saremi, M Nikkhah
The main aim of present study was to prepare chitosan (CS) and chitosan nanoparticles (CS/NPs) to evaluate their antifungal and oxidative activity. CS/NPs were prepared based on the ionic gelation of CS with tripolyphosphate (TPP) anions by using centrifugation and pH change. The obtained nanoparticles (NPs) were characterized by size and zeta potential analysis. The antifungal activity of the CS and CS/NPs were evaluated on the Fusarium graminearum, which causes Fusarium head blight (FHB) on wheat by the method of spraying on the Potato dextrose agar (PDA) medium...
April 13, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28411402/transcriptomics-of-cereal-fusarium-graminearum-interactions-what-we-have-learned-so-far
#4
REVIEW
Kemal Kazan, Donald M Gardiner
The ascomycete fungal pathogen Fusarium graminearum causes the globally important Fusarium head blight (FHB) disease on cereal hosts such as wheat, barley and maize. In addition to reducing grain yield, infection by this pathogen causes major quality losses. In particular, the contamination of food and feed with the F. graminearum trichothecene toxin deoxynivalenol (DON) can have many adverse short- and long-term effects on human and animal health. During the last decade, the interaction between F. graminearum and both cereal and model hosts has been extensively studied through transcriptome analyses...
April 15, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/28407973/occurrence-of-deoxynivalenol-and-deoxynivalenol-3-glucoside-in-durum-wheat-from-argentina
#5
Sofía A Palacios, Jessica G Erazo, Biancamaria Ciasca, Veronica M T Lattanzio, María M Reynoso, María C Farnochi, Adriana M Torres
The occurrence of deoxynivalenol, 3- and 15-deoxynivalenol and deoxynivalenol-3-glucoside in 84 durum wheat samples, from the Argentinean main growing area, was investigated during 2012/13 and 2013/14 using LC-MS/MS. Deoxynivalenol was found in all samples at concentrations varying between <LOQ (50μg/kg) and 9480μg/kg. Deoxynivalenol-3-glucoside was detected in 94% of the samples at concentrations ranging from <LOQ (50μg/kg) to 850μg/kg. Moreover, the acetylated derivatives were also detected but at lower frequency (49%)...
September 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28407119/a-barley-udp-glucosyltransferase-inactivates-nivalenol-and-provides-fusarium-head-blight-resistance-in-transgenic-wheat
#6
Xin Li, Herbert Michlmayr, Wolfgang Schweiger, Alexandra Malachova, Sanghyun Shin, Yadong Huang, Yanhong Dong, Gerlinde Wiesenberger, Susan McCormick, Marc Lemmens, Philipp Fruhmann, Christian Hametner, Franz Berthiller, Gerhard Adam, Gary J Muehlbauer
Fusarium Head Blight is a disease of cereal crops that causes severe yield losses and mycotoxin contamination of grain. The main causal pathogen, Fusarium graminearum, produces the trichothecene toxins deoxynivalenol or nivalenol as virulence factors. Nivalenol-producing isolates are most prevalent in Asia but co-exist with deoxynivalenol producers in lower frequency in North America and Europe. Previous studies identified a barley UDP-glucosyltransferase, HvUGT13248, that efficiently detoxifies deoxynivalenol, and when expressed in transgenic wheat results in high levels of type II resistance against deoxynivalenol-producing F...
April 12, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28392426/population-genetic-structure-and-mycotoxin-potential-of-the-wheat-crown-rot-and-head-blight-pathogen-fusarium-culmorum-in-algeria
#7
Imane Laraba, Houda Boureghda, Nora Abdallah, Oussama Bouaicha, Friday Obanor, Antonio Moretti, David M Geiser, Hye-Seon Kim, Susan P McCormick, Robert H Proctor, Amy C Kelly, Todd J Ward, Kerry O'Donnell
Surveys for crown rot (FCR) and head blight (FHB) of Algerian wheat conducted during 2014 and 2015 revealed that Fusarium culmorum strains producing 3-acetyl-deoxynivalenol (3ADON) or nivalenol (NIV) were the causal agents of these important diseases. Morphological identification of the isolates (n FCR=110, n FHB=30) was confirmed by sequencing a portion of TEF1. To assess mating type idiomorph, trichothecene chemotype potential and global population structure, the Algerian strains were compared with preliminary sample of F...
April 7, 2017: Fungal Genetics and Biology: FG & B
https://www.readbyqxmd.com/read/28387243/linoleic-acid-isomerase-gene-fglai12-affects-sensitivity-to-salicylic-acid-mycelial-growth-and-virulence-of-fusarium-graminearum
#8
Ya-Zhou Zhang, Zhen-Zhen Wei, Cai-Hong Liu, Qing Chen, Bin-Jie Xu, Zhen-Ru Guo, Yong-Li Cao, Yan Wang, Ya-Nan Han, Chen Chen, Xiang Feng, Yuan-Yuan Qiao, Lu-Juan Zong, Ting Zheng, Mei Deng, Qian-Tao Jiang, Wei Li, You-Liang Zheng, Yu-Ming Wei, Peng-Fei Qi
Fusarium graminearum is the major causal agent of fusarium head blight in wheat, a serious disease worldwide. Linoleic acid isomerase (LAI) catalyses the transformation of linoleic acid (LA) to conjugated linoleic acid (CLA), which is beneficial for human health. We characterised a cis-12 LAI gene of F. graminearum (FGSG_02668; FgLAI12), which was downregulated by salicylic acid (SA), a plant defence hormone. Disruption of FgLAI12 in F. graminearum resulted in decreased accumulation of cis-9,trans-11 CLA, enhanced sensitivity to SA, and increased accumulation of LA and SA in wheat spikes during infection...
April 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28332274/time-course-expression-qtl-atlas-of-the-global-transcriptional-response-of-wheat-to-fusarium-graminearum
#9
Mina Samad-Zamini, Wolfgang Schweiger, Thomas Nussbaumer, Klaus F X Mayer, Hermann Buerstmayr
Fusarium head blight is a devastating disease of small grain cereals such as bread wheat (Triticum aestivum). The pathogen switches from a biotrophic to a nectrotrophic lifestyle in course of disease development forcing its host to adapt its defence strategies. Using a genetical genomics approach we illustrate genome-wide reconfigurations of genetic control over transcript abundances between two decisive time points after inoculation with the causative pathogen Fusarium graminearum. Whole transcriptome measurements have been recorded for 163 lines of a wheat doubled haploid population segregating for several resistance genes yielding 15 552 at 30 hours and 15 888 eQTL at 50 hours after inoculation...
March 23, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28330332/response-surface-methodology-based-optimization-of-production-media-and-purification-of-%C3%AE-galactosidase-in-solid-state-fermentation-by-fusarium-moniliforme-ncim-1099
#10
Sanjivani B Gajdhane, Prashant K Bhagwat, Padma B Dandge
Response surface methodology was used to enhance the production of α-galactosidase from Fusarium moniliforme NCIM 1099 in solid-state fermentation. Plackett-Burman design was employed for selection of critical media constituents which were optimized by central composite rotatable design. Wheat bran, peptone and FeSO4·7H2O were identified as significant medium components using PB design. Further CCRD optimized medium components as wheat bran; 4.62 μg, peptone; 315.42 μg, FeSO4·7H2O; 9.04 μg. RSM methodological optimization increased the enzyme production from 13...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330127/diversity-of-toxic-and-phytopathogenic-fusarium-species-occurring-on-cereals-grown-in-karnataka-state-india
#11
H Nagaraja, G Chennappa, K Poorna Chandra Rao, G Mahadev Prasad, M Y Sreenivasa
A total of 198 cereal samples (53 maize, 54 sorghum, 37 paddy and 54 wheat) were collected from 11 districts of Karnataka to understand the percent infection (PI), relative density (RD) and their frequency (Fr) caused by Fusarium spp. All samples were screened by agar plating method using MGA 2.5 agar media and incubated at 25 ± 2 °C for 3-5 days. The study revealed the association of 10 different Fusarium species known trichothecene producers such as Fusarium acuminatum, F. avenaceum, F. crookwellense, F...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28323242/investigation-of-the-indigenous-fungal-community-populating-barley-grains-secretomes-and-xylanolytic-potential
#12
Abida Sultan, Jens C Frisvad, Birgit Andersen, Birte Svensson, Christine Finnie
The indigenous fungal species populating cereal grains produce numerous plant cell wall-degrading enzymes including xylanases, which could play important role in plant-pathogen interactions and in adaptation of the fungi to varying carbon sources. To gain more insight into the grain surface-associated enzyme activity, members of the populating fungal community were isolated, and their secretomes and xylanolytic activities assessed. Twenty-seven different fungal species were isolated from grains of six barley cultivars over different harvest years and growing sites...
March 18, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28322011/fcrav2-a-gene-with-rogdi-domain-involved-in-fusarium-head-blight-and-crown-rot-on-durum-wheat-caused-by-fusarium-culmorum
#13
Francesca Spanu, Barbara Scherm, Irene Camboni, Virgilio Balmas, Giovanna Pani, Safa Oufensou, Nicolo' Macciotta, Matias Pasquali, Quirico Migheli
Fusarium culmorum is a soil-borne fungal pathogen able to cause foot and root rot and Fusarium head blight on small grain cereals, particularly on wheat and barley. It causes significant yield and quality loss and results in the contamination of kernels with type B trichothecene mycotoxins. Knowledge on pathogenicity factors of this fungus is still limited. A transposon tagging approach based on the mimp1/impala double component system has allowed us to select a mutant altered in multiple metabolic and morphological processes, trichothecene production and virulence...
March 21, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/28319793/early-response-of-wheat-antioxidant-system-with-special-reference-to-fusarium-head-blight-stress
#14
Valentina Spanic, Marija Viljevac Vuletic, Ivan Abicic, Tihana Marcek
Fusarium head blight (FHB) is a destructive fungal disease of wheat (Triticum aestivum L.) that causes significant grain yield losses and end-use quality reduction associated with contamination by the mycotoxin deoxynivalenol (DON). Three winter wheat varieties ('Vulkan', 'Kraljica' and 'Golubica') were screened for FHB resistance using artificial inoculation technique under field conditions. The aim of this study was to examine a relationship between FHB resistance and the effectiveness of enzyme antioxidant system of wheat varieties under different sampling times (3, 15, 24, 48, 96, 120 and 336 hai)...
March 14, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28306726/fitness-of-three-chemotypes-of-fusarium-graminearum-species-complex-in-major-winter-wheat-producing-areas-of-china
#15
Yang-Yang Liu, Han-Yan Sun, Wei Li, Yun-Lei Xia, Yuan-Yu Deng, Ai-Xiang Zhang, Huai-Gu Chen
In China, Fusarium head blight is caused mainly by the Fusarium graminearum species complex (FGSC), which produces trichothecene toxins. The FGSC is divided into three chemotypes: 3-acetyldeoxynivalenol (3-ADON), 15-acetyldeoxynivalenol (15-ADON), and nivalenol (NIV). In order to predict the geographical changes in the distribution of these chemotype populations in major winter wheat-producing areas in China, the biological characteristics of twenty randomly selected isolates from each of the three chemotypes were studied...
2017: PloS One
https://www.readbyqxmd.com/read/28261228/characterization-of-the-two-speed-subgenomes-of-fusarium-graminearum-reveals-the-fast-speed-subgenome-specialized-for-adaption-and-infection
#16
Qinhu Wang, Cong Jiang, Chenfang Wang, Changjun Chen, Jin-Rong Xu, Huiquan Liu
Fusarium head blight, caused by Fusarium graminearum, is one of the most severe diseases on wheat and barley worldwide. Although the genomic data of several strains were published, the intragenomic variation of F. graminearum was not well characterized. Here, we sequenced three Chinese strains and conducted genome-wide comparisons. Our data revealed that all the sequenced strains were distinct from each other and over 350 genes were functionally lost in each of them. Variants of each strain were unevenly distributed in a highly conserved pattern along the chromosomes, resulting in a conserved two-speed genome...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28231525/construction-of-new-est-ssrs-for-fusarium-resistant-wheat-breeding
#17
Aysen Yumurtaci, Hulya Sipahi, Ayed Al-Abdallat, Abdulqader Jighly, Michael Baum
Surveying Fusarium resistance in wheat with easy applicable molecular markers such as simple sequence repeats (SSRs) is a prerequest for molecular breeding. Expressed sequence tags (ESTs) are one of the main sources for development of new SSR candidates. Therefore, 18.292 publicly available wheat ESTs were mined and genotyping of newly developed 55 EST-SSR derived primer pairs produced clear fragments in ten wheat cultivars carrying different levels of Fusarium resistance. Among the proved markers, 23 polymorphic EST-SSRs were obtained and related alleles were mostly found on B and D genome...
February 11, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28212314/a-gin4-like-protein-kinase-gil1-involvement-in-hyphal-growth-asexual-development-and-pathogenesis-in-fusarium-graminearum
#18
Dan Yu, Shijie Zhang, Xiaoping Li, Jin-Rong Xu, Zachary Schultzhaus, Qiaojun Jin
Fusarium graminearum is the main causal agent of Fusarium head blight (FHB) on wheat and barley. In a previous study, a GIN4-like protein kinase gene, GIL1, was found to be important for plant infection and sexual reproduction. In this study we further characterized the functions of GIL1 kinase in different developmental processes. The Δgil1 mutants were reduced in growth, conidiation, and virulence, and formed whitish and compact colonies. Although phialide formation was rarely observed in the mutants, deletion of GIL1 resulted in increased hyphal branching and increased tolerance to cell wall and cell membrane stresses...
February 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28198421/tawrky70-transcription-factor-in-wheat-qtl-2dl-regulates-downstream-metabolite-biosynthetic-genes-to-resist-fusarium-graminearum-infection-spread-within-spike
#19
Udaykumar Kage, Kalenahalli N Yogendra, Ajjamada C Kushalappa
A semi-comprehensive metabolomics was used to identify the candidate metabolites and genes to decipher mechanisms of resistance in wheat near-isogenic lines (NILs) containing QTL-2DL against Fusarium graminearum (Fg). Metabolites, with high fold-change in abundance, belonging to hydroxycinnamic acid amides (HCAAs): such as coumaroylagmatine, coumaroylputrescine and Fatty acids: phosphatidic acids (PAs) were identified as resistance related induced (RRI) metabolites in rachis of resistant NIL (NIL-R), inoculated with Fg...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28163582/mapping-a-qtl-conferring-resistance-to-fusarium-head-blight-on-chromosome-1b-in-winter-wheat-triticum-aestivum-l
#20
Zenta Nishio, Chihiro Onoe, Miwako Ito, Tadashi Tabiki, Koichi Nagasawa, Hideho Miura
Fusarium head blight (FHB) is one of the most devastating diseases of wheat (Triticum aestivum L.), and the development of cultivars with FHB resistance is the most effective way to control the disease. Yumechikara is a Japanese hard red winter wheat cultivar that shows moderate resistance to FHB with superior bread-making quality. To identify quantitative trait loci (QTLs) for FHB resistance in Yumechikara, we evaluated doubled haploid lines derived from a cross between Yumechikara and a moderate susceptible cultivar, Kitahonami, for FHB resistance in a 5-year field trial, and we analyzed polymorphic molecular markers between the parents...
December 2016: Breeding Science
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