Hence, an investigation was undertaken during 201120 to understand the effect of. The secretion of wax, and other unusual features of scale insects, is thought to be an adaptation to their change from an ancestral grounddwelling. Transcriptome analysis reveals the effect of long intergenic. Here, we provide evidence that cycle affects imidacloprid efficacy by mediating the expression of cytochrome p450 genes in the brown planthopper bph nilaparvata lugens, a serious insect pest of rice. Unlimited viewing of the articlechapter pdf and any. Here, we solved the crystal structure of sf216, a hypothetical protein from the s. Structural characterization of the catalytic site of a. A previously unknown iflavirus has been identified in a laboratory colony of the brown planthopper, nilaparvata lugens. Molecular structure of a prostaglandin d synthase requiring. Top most important plant pathology question answers bank are useful for general agriculture for icar and other jrf, srf, ars, ph. Effect of nitrogen fertilizer and host plant variety on fecundity and early instar survival of nilaparvata lugens stal.
Sequences encoding eulrelated lectins have been retrieved from all completely sequenced plant genomes. Insect pests like yellow stem borer sciropophaga incertalas, leaf folder cnaphalocrosis medinalis, brown plant hopper nilaparvata lugens, gallmidge orseola oryzae, white backed plant hopper sogatella furciferra, diseases like rice blast pyricularia oryzae, bacterial leaf blight xanthomonas campestris pv. Improved annotation of the insect vector of citrus. Pdf assessment of brown planthopper, nilaparvata lugens stal.
Abstract of the many insect pests of rice, the rice green leafhopper, nephotettix impicticeps motschulsky, and the brown planthopper, nilaparvata lugens stal, are particularly damaging 1. Reads from the egg, nymph and adult were first aligned to the genome with tophat 32 with the insert length parameter based on each library 53, 24 and 90. Herbivore infestation, wounding and methyl jasmonate meja treatment enhanced mrna levels and protein levels of osxip. The chinese white wax scale insect, ericerus pela, is best known for producing wax, which has been widely used in candle production, casting, chinese medicine, and wax printing products for thousands of years. Generally the infection cycle begins with the vector encountering the virus. Comparative metabolomics analysis of different resistant rice. Improved annotation of the insect vector of citrus greening disease. The crystal structure of sf216 represents a homotrimer stabilized by intersubunit interactions and ion. Fatty acylcoa reductase genes far and acyltransferase genes are related to wax secretion. Markerassisted selection a biotechnology for plant breeding. It enjoys the exibility of switching between a line search method that computes steps by factoring.
The brown planthopper bph, nilaparvata lugens hemiptera, delphacidae, is a serious insect pests of rice plants. Neighbor joining, minimum evolution, and maximum likelihood. By analyzing different 5 deletion mutants of osxip promoter exposed. Nevertheless, bph strains that are resistant to agricultural chemicals have developed, and bph strains have appeared that are virulent against the resistant rice. Crystal structure and functional characterization of sf216. An interior algorithm for nonlinear optimization that. Phosphoglucomutase pgm is a key enzyme in glycolysis and gluconeogenesis, regulating both glycogen and trehalose metabolism in insects. The supernatant from the same sample was subsequently merged. Pdf this study examines the utility of resistant varieties and their associated resistance genes against brown planthopper, nilaparvata lugens. Muscle growth and fat deposition are the two important biological processes in the development of pigs which are closely related to the pig production performance.
The brown planthopper bph, nilaparvata lugens, is a serious threat to rice. Estimating and predicting merger effects and passthrough. We compared two mutants that showed a gain and loss of resistance to n. Although lincrnas have been systematically identified in various mouse. Long intergenic noncoding rnas lincrnas have been considered to play a key regulatory role in various biological processes. Bph is usually more abundant in the dry season than in the wet season. To convert phosphate % to bpl, use the formula to convert p2o5% to bpl. Light infestations reduce plant tillering, plant height, the number of productive tillers per plant and general crop vigour, and induce the production of unfilled grains. Long noncoding rnas lncrnas are a diverse class of transcripts that structurally resemble mrnas but do not encode proteins, and lncrnas have been proven to play pivotal roles in a wide range of biological processes in animals and plants. Cycle affects imidacloprid efficiency by mediating. After feeding gna to the insects at doses between 0. However, knowledge of expression patterns and potential roles of honeybee lncrna response to nosema ceranae infection is completely unknown. Influence of temperature on egg hatching and development time of brown plant hopper n.
In this study, we used nilaparvata lugens bph to constitute an ideal system for studying plantinsect interactions. Influence of temperature on egg hatching and development. Resistance to nephotettix impicticeps and nilaparvata. Drug firm neuland laboratories today said its board has approved the merger of neuland health sciences and neuland pharma research with the company. Lakshmikant objective books 250 questions pdf for upsc ias prelims 2017 hello friends welcome to. By analyzing different 5 deletion mutants of osxip promoter exposed to rice brown planthopper.
Nilaparvata lugens, called as brown planthoppers bph, is one of the. The application of rna interference rnai technique in controlling agricultural insect pests has been receiving much attention since the discovery of rnai. To combine colonies, newly emerged adult males and females 100200 were. Cn101522667b novel crystalline modification of 4 n.
In this study, we explored the potential function of phosphoglucomutase pgm using rna interference technology in nilaparvata lugens, the brown planthopper. The rice oryza sativa genome contains 5 functional eul genes referred to as oseuls2, oseuls3, oseuld1a, oseuld1b, and oseuld2. Identification of a sugar gustatory receptor and its effect. Resistance to nephotettix impicticeps and nilaparvata lugens. India 2department of entomology, tamil nadu agricultural university, coimbatore t. The iflaviruslike sequence was first identified in contig sequences obtained from transcriptome sequencing rnaseq of the brown planthopper. In addition to sucking damage, bph is a vector for the rice ragged stunt virus rrsv and rice grassy stunt virus rgsv. Frontiers transcriptome analysis suggests the roles of long.
The next generation innovation that looks to the future, but delivers today a summary by greenpeace international 3. Parafilm sachet for measuring honeydew excretion by nilaparvata lugens on rice article pdf available in journal of economic entomology 752. These insects are among the most important pests of rice, which is the major staple crop for about half the worlds population. We used mutants of rice ir64 to isolate new sources of resistance to the planthopper nilaparvata lugens stal hemiptera. The invention relates to a defined crystalline modification of the compound of formula i, methods for the production thereof, and the use thereof in agrochemical preparations. Paramere morphology of two colormorphs of the brown planthopper nilaparvata lugens stalhomoptera. Neuland labs gets board nod to merge 2 group cos with self. Annotated ests from various tissues of the brown planthopper. Combine effect of nitrogen and humic acid on carbohydratenitrogen ratio. Morphological differences of the reproductive system could. The genome sequence and transmission of an iflavirus from. Plantinfecting viruses are transmitted by a diverse array of organisms including insects, mites, nematodes, fungi, and plasmodiophorids. Bacterial symbionts of the brown planthopper, nilaparvata. Pdf paramere morphology of two colormorphs of the brown.
The brown planthopper bph, nilaparvata lugens stal, is one of the most serious insect pests in rice production worldwide. Variation in susceptibility of eight insecticides in the brown. Background the brown planthopper bph nilaparvata lugens stal is. Biodiversity conservation in the galapagos islands final. Influence of temperature on egg hatching and development time. The dali search revealed that structures of sf216 were most similar to the c. Pdf biochemical analysis of resistance in paddy to bph. However, although four helices of sf216 matched the helices at the c terminus of gst data not shown, two proteins have different. Using paired endjoining and gapfilling, these contigs were further. Pdf effects of temperature on mate location in the. Currently, the only effective method for pestcontrol.
Objective type questions on the constitution and political system of india. The brown planthopper bph, nilaparvata lugens stal, hemiptera. The brown planthopper, nilaparvata lugens stal hemiptera. Reactive compound combination with desinsection and acaricide properties. Yoshida s, forno da, cock jh, gomez ka 1976 laboratory manual for. Genetic mapping of the rice resistancebreaking gene of the. Finally, levels of year and levels of region were merged, if the pairwise. Frontiers transcriptome analysis suggests the roles of. Download pdf rock and ice issue 260 november 2019 for free and other many ebooks and magazines on. Pdf parafilm sachet for measuring honeydew excretion by. The merger is subject to all necessary approvals, it added. Campbell, christian lavoie and felipe cruz abstract invasive alien mammals are the major driver of biodiversity loss and ecosystem degradation on islands.
Genome sequence of the chinese white wax scale insect. Pdf on jan 1, 1982, toru nagata and others published insecticide resistance and chemical control of the brown planthopper, nilaparvata lugens stal find. Adaptation of the brown planthopper, nilaparvata lugens stal, to. Attack of this pest has caused intermittent serious. The function of spineless in antenna and wing development of the. To combine colonies, newly emerged adult males and females 100 200 were. The complete mitochondrial genome of nilaparvata lugens stal. Annex the merge interproscan step adds functional information obtained through domain based searches to the existing annotations.
Orban september 8, 2004 abstract an interiorpoint method for nonlinear programming is presented. Cuffmerge was used to merge transcripts from different replicas of a group into a comprehensive set of transcripts, and the transcripts from multiple groups were then merged into a finally comprehensive set of transcripts for further downstream analyses. In the notorious rice insect pest of asian countries, brown planthopper, nilaparvata lugens, jh receptor met and its downstream transcription factor krh1, as well as the transcription factor brc, which is downstream of ecdysone signalling, have been shown to interact with each other and regulate not only metamorphosis but also ovary development 10,22. An increasing number of studies have utilized transcriptome analysis to obtain lincrnas with functions related to cancer, but lincrnas affecting growth rates in weaned piglets are rarely described. Phylogenetic analyses were conducted by the neighborjoining. Cn101522667b novel crystalline modification of 4 nmethyl. There have also been many reports of a yeastlike symbiont of n. Pdf insecticide resistance and chemical control of the brown.
Mar 18, 2019 long intergenic noncoding rnas lincrnas have been considered to play a key regulatory role in various biological processes. The acrostyle, a distinct anatomical structure present in the common duct of aphid maxillary stylets, was not observed by tem in the ultrathin crosssections of the common duct cd of d. Pdf taxonomy and biology of nilaparvata lugens hom. Host plant resistance is an effective, economic and environmentally friendly approach to control crop pests. The accessory gland is located in the anterior part of the reproductive system, about 7.
The indonesian journal of biotechnology print issn 08538654. The board of directors of the companyhave inprinciple approved a proposal to merge neuland health sciences holding company and neuland pharma research subsidiary of the holding company with neuland laboratories, neuland laboratories said in a filing to bse. Biodiversity conservation in the galapagos islands, ecuador. Among a large number of commercial rice varieties oryza sativa resistant to rice insect pests, varieties that are resistant to the brown planthopper bph, nilaparvata lugens stal are representative in their long history of breeding and successful application in. Merge interproscan number of annotations 35,000 figure. Ijms free fulltext the direct interaction between e93. Categories and inheritance of resistance to nilaparvata. Automated statistical analysis of protein abundance ratios.
Mapping of two new brown planthopper resistance genes from. Functional study of cytochrome p450 enzymes from the brown. Survival bioassays showed that the susceptibility of bph adults to imidacloprid differed significantly between the two time points tested. The brown planthopper bph nilaparvata lugens, a notorious pest of rice, has evolved a high level of resistance to many kinds of insecticides. Specifically, prostaglandin d synthase pgds catalyzes the isomerization of pgh 2 to pgd 2.
Long intergenic noncoding rnas lincrnas, with lack of coding potential and the length of at least 200nt, have been extensively studied to play important roles in many biological processes. Total dna was extracted using a manual dna extraction method zymo. To date, cytosolic and mitochondrial versions of this protein have been reported. Effects of temperature on mate location in the planthopper, nilaparvata lugens homoptera. The complete viral genome was resequenced using the sanger method. Although nilaparvata seminula should be reexamined, 14 determined and 2 undetermined species are known as the members of the genus nilaparvata. Here we are sharing laxmikanth indian polity book 250 mcq pdf file here. Proceedings of the 4th international workshop on intercountry forecasting system and management for planthopper in east asia.
The brown planthopper bph, nilaparvata lugens attacks rice plant and sucks fluid from the vascular bundle. Light infestations reduce plant tillering, plant height, the number of productive tillers per plant and general crop vigour, and induce the production of. Osxip is a xiptype rice xylanase inhibitor, yet its transcriptional regulation remains unknown. The euonymus lectin eul family is a unique group of carbohydratebinding proteins that is omnipresent in plants. It is commonly found in rainfedand irrigated fields during the. The present invention relates to the new reactive compound combination that comprises known cyclic ketoenols and other known insecticidal active compound, this combination is specially adapted to prevent and treat noxious animal, for example insect and undesirable mite class. The merge interproscan step adds functional information obtained through domain based searches to the existing. Insects free fulltext genomewide identification of. Role of phosphoglucomutase in regulating trehalose. Virus interactions with these vectors are diverse, but there are some commonalities. Delphacidae is a planthopper species that feeds on rice plants oryza sativa l. The structure of nlpgds in complex with glutathione was. Genetic mapping of the rice resistancebreaking gene of.
Improved annotation of the insect vector of citrus greening. Pdf the present studies were carried out in the glasshouse condition. Xylanase inhibitors have been confirmed to be involved in plant defence. Experiences, lessons learned, and policy implications c.
Result details of the merge interproscan step showing the amount of annotations which could be added as domain based functional information. Insects free fulltext genomewide identification of long. The brown planthopper nilaparvata lugens stal, the most destructive pest of rice, has been identi. Lakshmikant objective books 250 questions pdf free upsc. Nilaparvata lugens stal, 1854 the brown planthopper bph, nilaparvata lugens stal hemiptera.
Automated statistical analysis of protein abundance ratios from data generated by stableisotope dilution and tandem mass spectrometry xiaojun li, hui zhang, jeffrey a. Nov 27, 2017 identification of a sugar gustatory receptor and its effect on fecundity of the brown planthopper nilaparvata lugens. An interior algorithm for nonlinear optimization that combines line search and trust region steps r. Major means of bph control are application of agricultural chemicals and cultivation of bph resistant rice varieties. Biochemical analysis of resistance in paddy to bph, nilaparvata lugens. Mapping of two new brown planthopper resistance genes from wild rice. The complete mitochondrial genome of nilaparvata lugens taylor. Nilaparvata lugens tribolium castaneum cimex lectularius laodelphax striatellus halyomorpha halys. The content of this website is licensed under a creative commons attributionsharealike 4. Rna interference of tyrosine hydroxylase caused rapid. Identification of a sugar gustatory receptor and its. The brown planthopper nilaparvata lugens is a notorious ricecrop pest in asian countries. Plant pathology question answers bank for competitive exams.
Nilaparvata lugens is one of important pests of rice causing severe damagein. Larvae of north american species of pteronarcys plecoptera. Neighbor joining bootstrap repeat is 10,000, minimum evolution. Assessment of brown planthopper, nilaparvata lugens stal, damage in rice using hyperspectral remote sensing. Identification of a sugar gustatory receptor and its effect on fecundity of the brown planthopper nilaparvata lugens. Here we report the identification and structural analysis of pgds from the brown planthopper rice pest nilaparvata lugens nlpgds, which belongs to the sigmaclass glutathione transferases. State key laboratory of biocontrol and school of life sciences, sun yat. Kennedy2 1department of agricultural meteorology, tamil nadu agricultural university, coimbatore t. The bph resistance genes in an indica cultivar abhaya were.