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https://www.readbyqxmd.com/read/28810866/the-development-of-an-ivermectin-based-attractive-toxic-sugar-bait-atsb-to-target-anopheles-arabiensis
#1
Frank Chelestino Tenywa, Athumani Kambagha, Adam Saddler, Marta Ferreira Maia
BACKGROUND: An increasing number of countries in sub-Saharan Africa are moving towards malaria-elimination, mostly thanks to successful vector control campaigns. However, elimination has proven challenging, resulting in the persistence of malaria transmission. It is now accepted that in order to eliminate malaria, new complementary vector control approaches must be developed. This study describes the development of a sugar-baited resting place containing a toxic dose of ivermectin for the control of Anopheles arabiensis...
August 15, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28802020/investigating-the-diversity-of-effector-genes-in-the-banana-pathogen-fusarium-oxysporum-f-sp-cubense-reveals-evidence-of-horizontal-gene-transfer
#2
Elizabeth Czislowski, Sam Fraser-Smith, Manuel Zander, Wayne T O'Neill, Rachel A Meldrum, Lucy T T Tran-Nguyen, Jacqueline Batley, Elizabeth A B Aitken
It is hypothesised that the virulence of phytopathogenic fungi is mediated through the secretion of small effector proteins that interfere with the defence responses of the host plant. In Fusarium oxysporum, one family of effectors, the secreted in xylem (SIX) genes, have been identified. We sought to characterise the diversity and evolution of the SIX genes in the banana-infecting lineages of F. oxysporum f.sp. cubense (Foc). Whole-genome sequencing data was generated for the 23 genetic lineages of Foc, which were subsequently queried for the 14 known SIX genes (SIX1-SIX14)...
August 12, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/28800552/utilization-of-engineered-resistance-to-viruses-in-crops-of-the-developing-world-with-emphasis-on-sub-saharan-africa
#3
REVIEW
Jan F Kreuze, Jari Pt Valkonen
Viral diseases in crop plants constitute a major obstacle to food security in the developing world. Subsistence crops, including cassava, sweetpotato, potato, banana, papaya, common bean, rice and maize are often infected with RNA and/or DNA viruses that cannot be controlled with pesticides. Hence, healthy planting materials and virus-resistant cultivars are essential for high yields of good quality. However, resistance genes are not available for all viral diseases of crop plants. Therefore, virus resistance engineered in plants using modern biotechnology methods is an important addition to the crop production toolbox...
August 8, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28797040/genome-wide-analysis-of-transcription-factors-during-somatic-embryogenesis-in-banana-musa-spp-cv-grand-naine
#4
Shivani, Praveen Awasthi, Vikrant Sharma, Navjot Kaur, Navneet Kaur, Pankaj Pandey, Siddharth Tiwari
Transcription factors BABY BOOM (BBM), WUSCHEL (WUS), BSD, LEAFY COTYLEDON (LEC), LEAFY COTYLEDON LIKE (LIL), VIVIPAROUS1 (VP1), CUP SHAPED COTYLEDONS (CUC), BOLITA (BOL), and AGAMOUS LIKE (AGL) play a crucial role in somatic embryogenesis. In this study, we identified eighteen genes of these nine transcription factors families from the banana genome database. All genes were analyzed for their structural features, subcellular, and chromosomal localization. Protein sequence analysis indicated the presence of characteristic conserved domains in these transcription factors...
2017: PloS One
https://www.readbyqxmd.com/read/28791467/banana-fusarium-wilt-disease-incidence-is-influenced-by-shifts-of-soil-microbial-communities-under-different-monoculture-spans
#5
Zongzhuan Shen, C Ryan Penton, Nana Lv, Chao Xue, Xianfu Yuan, Yunze Ruan, Rong Li, Qirong Shen
The continuous cropping of banana in the same field may result in a serious soil-borne Fusarium wilt disease and a severe yield decline, a phenomenon known as soil sickness. Although soil microorganisms play key roles in maintaining soil health, the alternations of soil microbial community and relationship between these changes and soil sickness under banana monoculture are still unclear. Bacterial and fungal communities in the soil samples collected from banana fields with different monoculture spans were profiled by sequencing of the 16S rRNA genes and internal transcribed spacer using the MiSeq platform to explore the relationship between banana monoculture and Fusarium wilt disease in the present study...
August 8, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28790985/rna-sequencing-reveals-that-endoplasmic-reticulum-stress-and-disruption-of-membrane-integrity-underlie-dimethyl-trisulfide-toxicity-against-fusarium-oxysporum-f-sp-cubense-tropical-race-4
#6
Cunwu Zuo, Weina Zhang, Zhongjian Chen, Baihong Chen, Yonghong Huang
Fusarium wilt of banana, a destructive disease that affects banana production, is caused by Fusarium oxysporum f. sp. cubense tropical race 4 (Foc TR4). In a previous study, we confirmed the strong inhibitory effects of Chinese leek (Allium tuberosum) on the incidence of this disease. Sulfur compounds are the primary antifungal constituents of Chinese leek. Among these, dimethyl trisulfide (DT) was the most abundant and exhibited the strongest inhibition of Foc TR4 growth and development. In the present study, the global gene expression profiles of Foc TR4 isolates treated with DT at 4,000-folds dilution (concentration of 1/4,000, v/v) for 1...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28783348/carbon-doped-mesoporous-anatase-tio2-multi-tubes-nanostructures-for-highly-improved-visible-light-photocatalytic-activity
#7
Rahul Purbia, Rituraj Borah, Santanu Paria
Development of a high surface area and efficient visible light induced photocatalyst on a large scale is a promising task from the practical perspective. In this study, visible light active C-doped anatase TiO2 multi-tubes were synthesized using banana (Musa acuminata) stem fiber as a sacrificial template, removed by calcination at 450 °C. During the calcination process, the lattice of anatase TiO2 phase was doped with C, and obtained multi-tubes showed high surface area (∼99 m(2)/g) with a mesoporous structure made of ∼15 ± 3 nm nanoparticles...
August 7, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28770241/analysis-of-synonymous-codon-usage-bias-and-phylogeny-of-coat-protein-gene-in-banana-bract-mosaic-virus-isolates
#8
Atul B Patil, Vijayendra S Dalvi, Akhilesh A Mishra, Bal Krishna, Abdul Azeez
The banana is one of the world's most important livelihood crops. Banana plants are principally infected by four virus species, Banana bunchy top virus (genus Babuvirus), Cucumber mosaic virus (genus Cucumovirus), Banana streak virus (genus Badnavirus) and Banana bract mosaic virus (genus Potyvirus). The objective of this study is to understand the codon usage pattern and phylogeny of coat protein gene in different banana bract mosaic virus (BBrMV) isolates. The BBrMV Coat Protein (CP) gene was amplified from BBrMV infected banana plant samples collected from different districts of Tamil Nadu and Karnataka, India...
June 2017: Virusdisease
https://www.readbyqxmd.com/read/28764008/2-methylbutyl-acetate-in-wines-enantiomeric-distribution-and-sensory-impact-on-red-wine-fruity-aroma
#9
Margaux Cameleyre, Georgia Lytra, Sophie Tempere, Jean-Christophe Barbe
Enantiomers of 2-methylbutyl acetate were assayed in red and white commercial wines from various vintages and origins, using chiral gas chromatography (γ-cyclodextrin), revealing the exclusive presence of the S-enantiomeric form. Results also confirmed that (S)-2-methylbutyl acetate levels were generally higher in red than white wines of the same age, and that acetate levels increased gradually during ageing. Olfactory threshold of (S)-2-methylbutyl acetate was evaluated at 313µg/L in dilute alcohol solution (12% v/v) and 1083µg/L in a fruity aromatic reconstitution, reflecting its presence in wines at subthreshold concentrations...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28764000/direct-immersion-single-drop-micro-extraction-method-for-multi-class-pesticides-analysis-in-mango-using-gc-ms
#10
Norma S Pano-Farias, Silvia G Ceballos-Magaña, Roberto Muñiz-Valencia, Jose M Jurado, Ángela Alcázar, Ismael A Aguayo-Villarreal
Due the negative effects of pesticides on environment and human health, more efficient and environmentally friendly methods are needed. In this sense, a simple, fast, free from memory effects and economical direct-immersion single drop micro-extraction (SDME) method and GC-MS for multi-class pesticides determination in mango samples was developed. Sample pre-treatment using ultrasound-assisted solvent extraction and factors affecting the SDME procedure (extractant solvent, drop volume, stirring rate, ionic strength, time, pH and temperature) were optimized using factorial experimental design...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28757545/the-agpase-family-proteins-in-banana-genome-wide-identification-phylogeny-and-expression-analyses-reveal-their-involvement-in-the-development-ripening-and-abiotic-biotic-stress-responses
#11
Hongxia Miao, Peiguang Sun, Qing Liu, Juhua Liu, Biyu Xu, Zhiqiang Jin
ADP-glucose pyrophosphorylase (AGPase) is the first rate-limiting enzyme in starch biosynthesis and plays crucial roles in multiple biological processes. Despite its importance, AGPase is poorly studied in starchy fruit crop banana (Musa acuminata L.). In this study, eight MaAGPase genes have been identified genome-wide in M. acuminata, which could be clustered into the large (APL) and small (APS) subunits. Comprehensive transcriptomic analysis revealed temporal and spatial expression variations of MaAPLs and MaAPSs and their differential responses to abiotic/biotic stresses in two banana genotypes, Fen Jiao (FJ) and BaXi Jiao (BX)...
July 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28755087/efficacy-and-cost-of-trap-bait-combinations-for-capturing-rhynchophorus-palmarum-l-coleoptera-curculionidae-in-ornamental-palm-polycultures
#12
J Murguía-González, I Landero-Torres, O R Leyva-Ovalle, M E Galindo-Tovar, R C Llarena-Hernández, E Presa-Parra, M A García-Martínez
Ornamental palms are an economically important component of international trade yet have recently experienced yield losses in Mexico due to red ring and bud rot diseases, which are spread by Rhynchophorus palmarum L. Considering that massive capture is a common strategy to control this pest and the cost of commercial traps and baits could be inaccessible for small farmers, an inexpensive trap-bait combination is desired. In this study, 16 trap-bait combinations for capturing R. palmarum were assessed in ornamental palm polycultures over the course of 1 year...
July 28, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28752952/persistent-diarrhea-a-persistent-infection-with-enteropathogens-or-a-gut-commensal-dysbiosis
#13
Shafiqul A Sarker, Tahmeed Ahmed, Harald Brüssow
In children from developing countries 5 to 10 per cent of acute diarrhea (AD) episodes develop into persistent diarrhea (PD) defined by > 14 days of diarrhea duration. PD represents a major health burden leading to growth faltering. It is also associated with half of all diarrhea mortality. A rational intervention is thus crucial, but depends on an understanding of the pathogenesis of PD, which is still lacking. Many surveys were conducted in Latin America and in South Asia; they differ, however, with respect to enteropathogens associated with PD...
July 28, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28750003/chrysodeixis-chalcites-nucleopolyhedrovirus-chchnpv-natural-occurrence-and-efficacy-as-a-biological-insecticide-on-young-banana-plants-in-greenhouse-and-open-field-conditions-on-the-canary-islands
#14
Ernesto Gabriel Fuentes, Estrella Hernández-Suárez, Oihane Simón, Trevor Williams, Primitivo Caballero
Chrysodeixis chalcites, an important pest of banana crops on the Canary Islands, is usually controlled by chemical insecticides. The present study aimed to evaluate the efficacy of the most prevalent isolate of the Chrysodeixis chalcites nucleopolyhedrovirus (ChchNPV, Baculoviridae) as a biological insecticide. Overall the prevalence of ChchNPV infection in C. chalcites populations was 2.3% (103 infected larvae out of 4,438 sampled), but varied from 0-4.8% on Tenerife and was usually low (0-2%) on the other islands...
2017: PloS One
https://www.readbyqxmd.com/read/28746998/bioaccumulation-distribution-and-elimination-of-chlordecone-in-the-giant-freshwater-prawn-macrobrachium-rosenbergii-field-and-laboratory-studies
#15
Anne Lafontaine, Eric Gismondi, Nathalie Dodet, Célia Joaquim-Justo, Céline Boulangé-Lecomte, Fanny Caupos, Soazig Lemoine, Laurent Lagadic, Joëlle Forget-Leray, Jean-Pierre Thomé
Chlordecone is a persistent organochlorine pesticide that has been widely used in Guadeloupe (French West Indies) to control the banana weevil Cosmopolites sordidus from 1972 to 1993. A few years after its introduction, widespread contamination of soils, rivers, wild animals and aquatic organisms was reported. Although high chlordecone concentrations have been reported in several crustacean species, its uptake, internal distribution, and elimination in aquatic species have never been described. This study aimed at investigating the accumulation and tissue distribution of chlordecone in the giant freshwater prawn Macrobrachium rosenbergii, using both laboratory (30 days exposure) and field (8 months exposure) approaches...
October 2017: Chemosphere
https://www.readbyqxmd.com/read/28736701/a-comparative-genome-analysis-of-cercospora-sojina-with-other-members-of-the-pathogen-genus-mycosphaerella-on-different-plant-hosts
#16
Fanchang Zeng, Xin Lian, Guirong Zhang, Xiaoman Yu, Carl A Bradley, Ray Ming
Fungi are the causal agents of many of the world's most serious plant diseases causing disastrous consequences for large-scale agricultural production. Pathogenicity genomic basis is complex in fungi as multicellular eukaryotic pathogens. Here, we report the genome sequence of C. sojina, and comparative genome analysis with plant pathogen members of the genus Mycosphaerella (Zymoseptoria. tritici (synonyms M. graminicola), M. pini, M. populorum and M. fijiensis - pathogens of wheat, pine, poplar and banana, respectively)...
September 2017: Genomics Data
https://www.readbyqxmd.com/read/28724905/flowering-time-in-banana-musa-spp-a-day-neutral-plant-is-controlled-by-at-least-three-flowering-locus-t-homologues
#17
Akhilesh K Chaurasia, Hemant B Patil, Bal Krishna, V R Subramaniam, Prafullachandra V Sane, Aniruddha P Sane
Banana is an important day neutral food crop with a long flowering/fruiting cycle that is affected by hot summers or cold winters in different places. Manipulating its life cycle requires an understanding of its flowering time machinery to bypass these stresses. Twelve FLOWERING LOCUS T (FT) and two TWIN SISTER OF FT (TSF) members were isolated from banana and their organization and expression pattern studied during development in two varieties that differ in flowering time namely Grand Nain (AAA genotype) and Hill banana (AAB genotype)...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28719631/the-distribution-and-host-range-of-the-banana-fusarium-wilt-fungus-fusarium-oxysporum-f-sp-cubense-in-asia
#18
Diane Mostert, Agustin B Molina, Jeff Daniells, Gerda Fourie, Catur Hermanto, Chih-Ping Chao, Emily Fabregar, Vida G Sinohin, Nik Masdek, Raman Thangavelu, Chunyu Li, Ganyun Yi, Lizel Mostert, Altus Viljoen
Fusarium oxysporum formae specialis cubense (Foc) is a soil-borne fungus that causes Fusarium wilt, which is considered to be the most destructive disease of bananas. The fungus is believed to have evolved with its host in the Indo-Malayan region, and from there it was spread to other banana-growing areas with infected planting material. The diversity and distribution of Foc in Asia was investigated. A total of 594 F. oxysporum isolates collected in ten Asian countries were identified by vegetative compatibility groups (VCGs) analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28716608/opioidergic-and-dopaminergic-modulation-of-cost-benefit-decision-making-in-long-evans-rats
#19
Ileana Morales, Paul J Currie, Timothy D Hackenberg, Raúl Pastor
Eating disorders are associated with impaired decision-making and dysfunctional reward-related neurochemistry. The present study examined the potential contributions of dopamine and opioid signaling to these processes using two different decision-making tasks. In one task, Long Evans Rats chose between working for a preferred food (high-carbohydrate banana-flavored sucrose pellets) by lever pressing on a progressive-ratio schedule of reinforcement vs. obtaining less preferred laboratory chow that was concurrently available...
July 14, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28714536/the-evaluation-of-acute-toxicity-antimicrobial-activity-of-1-phenyl-5-p-tolyl-1h-1-2-3-triazole-and-binding-to-human-serum-albumin
#20
Hong-Ye Duan, Jian-Ling Li, Lu-Yong Wu, Huo-Ming Shu, Yu-Xue Chen, Guo-Hua Ding, Run-Cong Dong, Hong-Zong Si, Xia Zhong, Wen-Ying He
1-Phenyl-5-p-tolyl-1H-1, 2, 3-triazole (PPTA) was a synthesized compound. The result of acute toxicities to mice of PPTA by intragastric administration indicated that PPTA did not produce any significant acute toxic effect on Kunming strain mice. It exhibited the various potent inhibitory activities against two kinds of bananas pathogenic bacteria, black sigatoka and freckle, when compared with that of control drugs and the inhibitory rates were up to 64.14% and 43.46%, respectively, with the same concentration of 7...
July 17, 2017: Journal of Biochemical and Molecular Toxicology
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