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Relevant bibliographies by topics / Insect nematodes Molecular genetics

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Academic literature on the topic 'Insect nematodes Molecular genetics'

Author: Grafiati

Published: 4 June 2021

Last updated: 29 January 2023

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Journal articles on the topic "Insect nematodes Molecular genetics"

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Clarke, David J. "Photorhabdus: a tale of contrasting interactions." Microbiology 166, no. 4 (April 1, 2020): 335–48. http://dx.doi.org/10.1099/mic.0.000907.

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Different model systems have, over the years, contributed to our current understanding of the molecular mechanisms underpinning the various types of interaction between bacteria and their animal hosts. The genus Photorhabdus comprises Gram-negative insect pathogenic bacteria that are normally found as symbionts that colonize the gut of the infective juvenile stage of soil-dwelling nematodes from the family Heterorhabditis. The nematodes infect susceptible insects and release the bacteria into the insect haemolymph where the bacteria grow, resulting in the death of the insect. At this stage the

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Rosenzweig, W. D., D. Premachandran, and D. Pramer. "Role of trap lectins in the specificity of nematode capture by fungi." Canadian Journal of Microbiology 31, no. 8 (August 1, 1985): 693–95. http://dx.doi.org/10.1139/m85-131.

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Seven adhesive-producing nematode-trapping fungi were tested for their ability to capture nine different nematodes. The nematodes included species that are free living as well as plant and insect parasites. The fungi displayed no selectivity. Each fungus was able to trap and consume all of the different nematodes tested. A study of cuticle surface saccharides of five of the nematodes revealed the presence on all the nematodes of glucose–mannose and N-acetylgalactosamine residues. L-Fucose residues were not found on any of the nematodes. The involvement of lectins in the capture of prey by nema

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Ciche, Todd A., and Jerald C. Ensign. "For the Insect Pathogen Photorhabdus luminescens, Which End of a Nematode Is Out?" Applied and Environmental Microbiology 69, no. 4 (April 2003): 1890–97. http://dx.doi.org/10.1128/aem.69.4.1890-1897.2003.

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ABSTRACT The nematode Heterorhabditis bacteriophora is the vector for transmitting the entomopathogenic bacterium Photorhabdus luminescens between insect larvae. The dauer juvenile (DJ) stage nematode selectively retains P. luminescens in its intestine until it releases the bacteria into the hemocoel of an insect host. We report the results of studying the transmission of the bacteria by its nematode vector. Cells of P. luminescens labeled with green fluorescent protein preferentially colonized a region of the DJ intestine immediately behind the basal bulb, extending for various distances towa

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FALAHZADAH, MOHAMMAD HUSSAIN, EBRAHIM SHOKOOHI, GHOLAM HOSSEIN MORAVEJ, PHATU WILLIAM MASHELA, ABDUL KHALID MADADI, and JAVAD KARIMI. "Entomophilic nematodes, Diploscapter coronatus and Oscheius tipulae from Afghanistan." Zootaxa 4926, no. 3 (February 9, 2021): 401–16. http://dx.doi.org/10.11646/zootaxa.4926.3.5.

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Several soil samples from different habitats in Badakhshan province of Afghanistan were collected to isolate and characterize bacteria feeding nematodes. The Galleria mellonella-baiting method was used for the isolation of the Afghan insect-associated nematodes. The nematodes were studied using morphological and morphometric data. The Oscheius specimen was characterized by a longer body (630–820 µm) and shorter pharynx (125–145 µm), whereas other morphological characters were not unusual. The Diploscapter specimen had an annulated cuticle, with lip region width 1.5 times shorter than the stoma

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Parks, Sophia C., Susan Nguyen, Shyon Nasrolahi, Chaitra Bhat, Damian Juncaj, Dihong Lu, Raghavendran Ramaswamy, et al. "Parasitic nematode fatty acid- and retinol-binding proteins compromise host immunity by interfering with host lipid signaling pathways." PLOS Pathogens 17, no. 10 (October 29, 2021): e1010027. http://dx.doi.org/10.1371/journal.ppat.1010027.

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Parasitic nematodes cause significant morbidity and mortality globally. Excretory/secretory products (ESPs) such as fatty acid- and retinol- binding proteins (FARs) are hypothesized to suppress host immunity during nematode infection, yet little is known about their interactions with host tissues. Leveraging the insect parasitic nematode, Steinernema carpocapsae, we describe here the first in vivo study demonstrating that FARs modulate animal immunity, causing an increase in susceptibility to bacterial co-infection. Moreover, we show that FARs dampen key components of the fly immune response i

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Grewal, P. S., S. Selvan, E. E. Lewis, and R. Gaugler. "Male insect-parasitic nematodes: a colonizing sex." Experientia 49, no. 6-7 (July 1993): 605–8. http://dx.doi.org/10.1007/bf01955173.

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Matuska-Łyżwa, Joanna, Paulina Żarnowiec, and Wiesław Kaca. "Comparison of Biological Activity of Field Isolates of Steinernema feltiae with a Commercial S. feltiae Biopesticide Product." Insects 12, no. 9 (September 12, 2021): 816. http://dx.doi.org/10.3390/insects12090816.

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Insect trap studies were carried out to determine the presence of entomopathogenic nematodes (EPN) from the family Steinernematidae in the soils of Poland and to compare the biological activities of field nematode isolates with nematodes from commercial biopesticide. The fauna of these organisms in central Poland is poorly studied in both taxonomic and biological terms. Tilled soils representative of this region were sampled from cultivated fields. EPN were isolated from soil samples under laboratory conditions and identified using a key for species identification and molecular analysis. Basic

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Marroquin, Lisa D., Dino Elyassnia, Joel S. Griffitts, Jerald S. Feitelson, and Raffi V. Aroian. "Bacillus thuringiensis (Bt) Toxin Susceptibility and Isolation of Resistance Mutants in the Nematode Caenorhabditis elegans." Genetics 155, no. 4 (August 1, 2000): 1693–99. http://dx.doi.org/10.1093/genetics/155.4.1693.

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Abstract The protein toxins produced by Bacillus thuringiensis (Bt) are the most widely used natural insecticides in agriculture. Despite successful and extensive use of these toxins in transgenic crops, little is known about toxicity and resistance pathways in target insects since these organisms are not ideal for molecular genetic studies. To address this limitation and to investigate the potential use of these toxins to control parasitic nematodes, we are studying Bt toxin action and resistance in Caenorhabditis elegans. We demonstrate for the first time that a single Bt toxin can target a

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Thanwisai, Aunchalee, Paramaporn Muangpat, Wipanee Meesil, Pichamon Janthu, Abdulhakam Dumidae, Chanakan Subkrasae, Jiranun Ardpairin, Sarunporn Tandhavanant, Timothy P. Yoshino, and Apichat Vitta. "Entomopathogenic Nematodes and Their Symbiotic Bacteria from the National Parks of Thailand and Larvicidal Property of Symbiotic Bacteria against Aedes aegypti and Culex quinquefasciatus." Biology 11, no. 11 (November 13, 2022): 1658. http://dx.doi.org/10.3390/biology11111658.

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Entomopathogenic nematodes (EPNs) are insect parasitic nematodes of the genera Het-erorhabditis and Steinernema. These nematodes are symbiotically associated with the bacteria, Photorhabdus and Xenorhabdus, respectively. National parks in Thailand are a potentially rich resource for recovering native EPNs and their symbiotic bacteria. The objectives of this study are to isolate and identify EPNs and their bacterial flora from soil samples in four national parks in Thailand and to evaluate their efficacy for controlling mosquito larvae. Using a baiting method with a Galleria mellonella moth lar

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Chung, Matthew, Preston J. Basting, Rayanna S. Patkus, Alexandra Grote, Ashley N. Luck, Elodie Ghedin, Barton E. Slatko, et al. "A Meta-Analysis of Wolbachia Transcriptomics Reveals a Stage-Specific Wolbachia Transcriptional Response Shared Across Different Hosts." G3 Genes|Genomes|Genetics 10, no. 9 (September 1, 2020): 3243–60. http://dx.doi.org/10.1534/g3.120.401534.

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Abstract Wolbachia is a genus containing obligate, intracellular endosymbionts with arthropod and nematode hosts. Numerous studies have identified differentially expressed transcripts in Wolbachia endosymbionts that potentially inform the biological interplay between these endosymbionts and their hosts, albeit with discordant results. Here, we re-analyze previously published Wolbachia RNA-Seq transcriptomics data sets using a single workflow consisting of the most up-to-date algorithms and techniques, with the aim of identifying trends or patterns in the pan-Wolbachia transcriptional response.

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Dissertations / Theses on the topic "Insect nematodes Molecular genetics"

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Pinyon, Rebecca A. "Isolation and characterisation of novel non-ribosomal peptide synthetase genes from the entomopathogenic Xenorhabdus bovienii T228." Title page, contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09PH/09php659.pdf.

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Saeb, Amr. "Phylogenetic and population genetic studies on some insect and plant associated nematodes." The Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=osu1158348092.

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Saeb, Amr T. M. "Phylogenetic and population genetic studies on some insect and plant associated nematodes." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1158348092.

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Cameron, Janet. "An assessment of the use of molecular techniques in insect conservation." Thesis, Keele University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.309765.

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Swasdipan, Nicharat. "Molecular-genetics of olfaction and its roles in social insect behaviour /." St. Lucia, Qld, 2002. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16457.pdf.

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Earp, David John. "Molecular genetics and biochemistry of mosquitocidal delta-endotoxins of Bacillus thuringiensis." Thesis, University of Cambridge, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238652.

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Blackburn, Dana. "Virulence of Photorhabdus spp.: Examining the Roles of Environment, Evolution, and Genetics in Insect Mortality." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/6163.

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Entomopathogenic nematodes (EPNs) (genera Heterorhabditis and Steinernema) kill their invertebrate hosts with the aid of a mutualistic bacterium. The bacteria (Xenorhabdus spp. for steinernematids and Photorhabdus spp. for heterorhabditids) are primarily responsible for killing the host and providing the nematodes with nutrition and defense against secondary invaders. Photorhabdus is a Gram-negative bacterium in the Enterobacteriaceae family with high virulence towards their insect hosts. To achieve high mortality rates Photorhabdus produces a variety of virulence factors such as toxins, lipas

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Beck, Markus Hans. "Molecular genetics of host manipulation and competition in an insect parasitoid system." Title page, contents and abstract only, 1998. http://web4.library.adelaide.edu.au/theses/09ACP/09acpb393.pdf.

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Bibliography: leaves 108-128. Maternal protein secretions from the parthenogenetic endoparasitoid wasp Venturia canescens Gravenhorst (Hymenoptera: Ichneumonidae) were analysed regarding their ability to protect the parasitoid egg against the host immune system. These secretions include nucleic acid-free glycoproteins, called virus-like particles (VLPs) that are produced in the ovarian calyx gland. Results found that VLP-free calyx fluid has the ability to actively suppress host defence reactions, rather than VLPs on the egg surface being solely responsible for the protection of the egg. It wa

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Saunders, Robert David Comrie. "Molecular analysis of a female-sterile mutation in Drosophila melanogaster." Thesis, University of Edinburgh, 1987. http://hdl.handle.net/1842/12900.

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Wilkie, Hazel Evelyn. "Identifying and exploiting the molecular basis of resistance to gastro-intestinal nematodes in sheep." Thesis, University of Edinburgh, 2016. http://hdl.handle.net/1842/22920.

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Teladorsagia circumcincta is a common parasitic nematode of the sheep abomasum, causing reduced growth in young lambs. The widespread development of anthelmintic resistant parasites has driven the need for alternative control strategies. Resistant immunity is acquired through repeated exposure to the parasite. The immune response and clinical outcome vary greatly between animals, but resistance is heritable. The aims of this project were: 1) understand how sheep respond to nematode infection; 2) understand and identify genes associated with the response; 3) identify variation within those gene

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Books on the topic "Insect nematodes Molecular genetics"

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International Symposium on Molecular Insect Science (1989 Tucson, Ariz.). Molecular insect science. New York: Plenum Press, 1990.

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Insect molecular genetics: An introduction to principles and applications. 2nd ed. Amsterdam: Academic Press, 2003.

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Hoy, Marjorie A. Insect molecular genetics: An introduction to principles and applications. San Diego: Academic Press, 1994.

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Gilbert, Lawrence I. Insect Molecular Biology and Biochemistry. San Diego: Academic Press [Imprint], 2011.

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Yamamoto, Daisuke. Molecular dynamics in the developing Drosophila eye. Austin: R.G. Landes Co., 1996.

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6

Royal Entomological Society of London. Symposium. Insect molecular science: 16th symposium of the Royal Entomological Society of London, 12-13 September 1991, at Imperial College, London. London: Academic Press, 1992.

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Royal Entomological Society of London. Symposium. Insect molecular science: 16th Symposium of the Royal Entomological Society of London, 12-13 September 1991, at Imperial College, London. London: Academic, 1992.

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8

Perry, Roland N., David J. Hunt, and Sergei A. Subbotin, eds. Techniques for work with plant and soil nematodes. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781786391759.0000.

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Abstract This book is extensively illustrated, and addresses both fundamental traditional techniques and new methodologies. The chapters aim to provide an introduction to basic techniques for laboratory and field work with plant-parasitic and free-living soil-dwelling nematodes. The coverage highlights areas that have expanded and/or become more widespread over recent years, such as techniques used in diagnostic laboratories, including computerized methods to count and identify nematodes, and the use of entomopathogenic nematodes as environmentally acceptable control systems for some insect pe

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Insect Molecular Genetics. Elsevier, 1994. http://dx.doi.org/10.1016/c2009-0-03529-6.

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Insect Molecular Genetics. Elsevier, 2003. http://dx.doi.org/10.1016/b978-0-12-357031-4.x5018-3.

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Book chapters on the topic "Insect nematodes Molecular genetics"

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Sobczak, Miroslaw, and Wladyslaw Golinowski. "Cyst Nematodes and Syncytia." In Genomics and Molecular Genetics of Plant-Nematode Interactions, 61–82. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0434-3_4.

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Bert, Wim, Gerrit Karssen, and Johannes Helder. "Phylogeny and Evolution of Nematodes." In Genomics and Molecular Genetics of Plant-Nematode Interactions, 45–59. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0434-3_3.

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Jacob, Joachim, and Makedonka Mitreva. "Transcriptomes of Plant-Parasitic Nematodes." In Genomics and Molecular Genetics of Plant-Nematode Interactions, 119–38. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0434-3_7.

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Smant, Geert, and John Jones. "Suppression of Plant Defences by Nematodes." In Genomics and Molecular Genetics of Plant-Nematode Interactions, 273–86. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0434-3_13.

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Sobczak, Miroslaw, Sylwia Fudali, and Krzysztof Wieczorek. "Cell Wall Modifications Induced by Nematodes." In Genomics and Molecular Genetics of Plant-Nematode Interactions, 395–422. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0434-3_19.

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Jones, Michael G. K., and Derek B. Goto. "Root-knot Nematodes and Giant Cells." In Genomics and Molecular Genetics of Plant-Nematode Interactions, 83–100. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0434-3_5.

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Abad, Pierre, and James P. McCarter. "Genome Analysis of Plant Parasitic Nematodes." In Genomics and Molecular Genetics of Plant-Nematode Interactions, 103–17. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0434-3_6.

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Maule, Aaron G., and Rosane Curtis. "Parallels Between Plant and Animal Parasitic Nematodes." In Genomics and Molecular Genetics of Plant-Nematode Interactions, 221–51. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0434-3_11.

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McKenzie, John A. "Pesticide Resistance." In Evolutionary Ecology. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780195131543.003.0034.

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Biological control, sterile insect release, autocidal control and genetically modified crops have made, and will continue to make, important contributions to specific programs of integrated pest management. However, at least into the immediate future, the effective management of agricultural ecosystems will depend on the judicious use of chemical pesticides to control fungal pathogens, weeds, nematodes, or arthropods that damage crops or livestock and lead to lower productivity. Similar conclusions can be drawn with respect to the control of insect pests that play key roles as vectors in the transmission of diseases that have devastating impact on the health of humans and animals, particularly in the developing countries of Africa and Asia. If pesticides are used inappropriately, their effectiveness can be short-lived, and the residues of the chemicals can be harmful to the environment. Typically, resistance to the pesticide develops, often resulting in increased chemical usage at higher concentrations. This, in turn, produces higher levels of pesticide residues in the environment, with greater deleterious effect on nontargeted species through direct, unintentional exposure or through the incorporation of chemical residues into food chains. Unfortunately, this outcome has not been uncommon. The list of pests and the chemicals to which they have developed resistance is depressingly impressive (Georghiou 1986; Bergelson and Purrington 1996; Denholm et al. 1999). The development of resistance causes significant problems. The phenomenon does, however, provide a rare opportunity: the chance to study natural selection where fundamental research on ecology, genetics, molecular, and developmental biology and physiology can be integrated. An understanding of the microevolutionary processes that lead to the development of resistance enables the derivation of better strategies of pesticide usage that minimize the evolution of resistance to future pesticides. The task of measuring selection in natural populations is not, however, trivial (Fairbairn and Reeve, this volume). In essence, to demonstrate unambiguously that selection is occurring we must: …1. Identify the selective agent(s). 2. Mechanistically associate the action of the selective agent on the phenotype(s) with the product(s) of the genotype(s). 3. Gain predictable results after using our knowledge of the mechanism to manipulate experimental populations….

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"Front Matter." In Insect Molecular Genetics, iii. Elsevier, 1994. http://dx.doi.org/10.1016/b978-0-12-357490-9.50001-8.

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Conference papers on the topic "Insect nematodes Molecular genetics"

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Zamorzaeva, Irina, and Aighiuni Bahsiev. "Phytoplasma testing in sweet pepper in Moldova." In VIIth International Scientific Conference “Genetics, Physiology and Plant Breeding”. Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2021. http://dx.doi.org/10.53040/gppb7.2021.29.

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Phytoplasma infects a wide variety of crops, causing considerable economic losses. About half of the vegetable crops damaged by phytoplasma belong to the Solanaceae family including tomato, eggplant and pepper which play an important role in the agriculture economics of Moldova. Our previous research confirmed the presence of ‘Candidatus Phytoplasma solani’ (16SrXII-A subgroup) in tomatoes and also identified insect vectors. In this communication, we present for the first time in Moldova the results of molecular diagnosis of association of ‘Ca. P. solani’ in 4% of the analyzed sweet pepper sam

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Reports on the topic "Insect nematodes Molecular genetics"

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Ehrlich, Marcelo, John S. Parker, and Terence S. Dermody. Development of a Plasmid-Based Reverse Genetics System for the Bluetongue and Epizootic Hemorrhagic Disease Viruses to Allow a Comparative Characterization of the Function of the NS3 Viroporin in Viral Egress. United States Department of Agriculture, September 2013. http://dx.doi.org/10.32747/2013.7699840.bard.

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Project Title: "Development of a plasmid-based reverse genetics system for the Bluetongue and Epizootic Hemorrhagic Disease viruses to allow comparative characterization of the function of the NS3 viroporin in viral egress". Project details: No - IS-4192-09; Participants – Ehrlich M. (Tel Aviv University), Parker J.S. (Cornell University), DermodyT.S. (Vanderbilt University); Period - 2009-2013. Orbiviruses are insect-borne infectious agents of ruminants that cause diseases with considerable economical impact in Israel and the United States. The recent outbreaks of BTV in Europe and of Epizoot

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