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Dissertations / Theses on the topic 'Pea aphid'

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Published: 4 June 2021

Last updated: 25 July 2025

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1

McVean, Ross Iolo Kester. "Forecasting pea aphid outbreaks." Thesis, University of East Anglia, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389386.

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2

FrancÌ§ois, Camille LeÌonie Marie JoseÌ€phe. "The pea aphid (Acyrthosiphon pisum) and its microorganisms." Thesis, University of York, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.440793.

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3

Aksamit, Matthew Stephen. "Bioinformatic analysis of pea aphid salivary gland transcripts." Thesis, Kansas State University, 2014. http://hdl.handle.net/2097/32836.

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Master of Science<br>Biochemistry and Molecular Biophysics Interdepartmental Program<br>Gerald Reeck<br>Pea aphids (Acyrthosiphon pisum) are sap-sucking insects that feed on the phloem sap of some plants of the family Fabaceae (legumes). Aphids feed on host plants by inserting their stylets between plant cells to feed from phloem sap in sieve elements. Their feeding is of major agronomical importance, as aphids cause hundreds of millions of dollars in crop damage worldwide, annually. Salivary gland transcripts from plant-fed and diet-fed pea aphids were studied by RNASeq to analyze

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4

Humphreys, Natalie J. "Symbiotic bacteria and aphid reproduction." Thesis, University of York, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337631.

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5

Liang, Qixin. "Laccase-1 in the pea aphid, Acyrthosiphon pisum (Harris)." Thesis, Manhattan, Kan. : Kansas State University, 2006. http://hdl.handle.net/2097/172.

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6

Whithead, Lynne F. "The symbiotic bacteria of the pea aphid, Acyrthosiphon pisum." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333293.

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7

Kanvil, Sadia. "Pea aphid virulence factors determining compatibility with Medicago truncatula." Thesis, Imperial College London, 2012. http://hdl.handle.net/10044/1/39392.

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8

Knaebe, Silvio. "The ecology of the subspecies of the pea aphid." Thesis, University of East Anglia, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302205.

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The pea aphid (Acyrthosiphon pisum) was one of the first aphid species for which different biotypes were described. Subsequently, the differences between biotypes were found to be consistent in time and space and several of them were given subspecies status. The differences between the subspecies is mainly ecological, their use of certain plants (the so-called marker hosts). There are hardly any differences in the morphology of the subspecies with the exception of that from Restharrow (Ononis spec. ). The performance and survival of aphids on several host plants were used to determine the degr

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9

Ferrari, Julia. "Evolution of resistance to natural enemies." Thesis, Imperial College London, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.272403.

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10

Slater, Jennifer M. "Effects of the maternal rearing environment on pea aphid (Acyrthosiphon pisum) trophic interactions." Thesis, University of Aberdeen, 2018. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=238395.

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The maternal rearing environment (MRE) of an organism can be a key determinant of an organism's host choice decisions, its own fitness, or the fitness of its offspring. Here, it is investigated if the MRE of an organism can influence lower or higher trophic levels. A series of reciprocal cross-over experiments was conducted using pea aphids (Acyrthosiphon pisum), bean (Vicia faba) or pea (Pisum sativum) plants, and an aphid natural enemy, the parasitoid wasp Aphidius ervi, as model organisms. In each experiment, pea aphid offspring experienced either the same or an alternative plant host to th

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11

Wilkinson, Thomas Lees. "Host plant utilization by the pea aphid (Acyrthosiphon pisum) symbiosis." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359556.

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12

McLean, Ailsa H. C. "Host plant specialisation and secondary symbionts in the pea aphid." Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.533836.

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13

Nelson, Erik Healy. "Population consequences of predator avoidance behavior in the pea aphid /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2003. http://uclibs.org/PID/11984.

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14

Barrette, Richard J. "Characterization of the mitochondrial DNA molecule of pea aphid, Acyrthosiphon pisum." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq24440.pdf.

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15

Oliver, Kerry M. "The role of pea aphid bacterial symbionts in resistance to parasitism." Diss., Tucson, Arizona : University of Arizona, 2005. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu%5Fetd%5F1031%5F1%5Fm.pdf&type=application/pdf.

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16

Knowles, Tim C. "Alfalfa Aphid Complex." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 1998. http://hdl.handle.net/10150/146689.

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4 pp.<br>The alfalfa aphid discussed in this publication includes blue alfalfa aphid, pea aphid, and the spotted alfalfa aphid. This publication discusses the biology of these alfalfa aphids, the damages they cause, the resistant varieties and biological control, and their monitoring and treatments.

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17

Shibani, Nagla Mohamed. "Proteomic analysis of host responses to wounding and aphid infestation in pea." Thesis, University of the West of England, Bristol, 2017. http://eprints.uwe.ac.uk/31778/.

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18

Madison, Rachael Marie. "Gene expression and the nutritional biology of the pea aphid, Acyrthosiphon pisum." Thesis, University of York, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.533518.

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19

Mutti, Navdeep S. "Molecular studies of the salivary glands of the pea aphid, Acyrthosiphon pisum (Harris)." Diss., Manhattan, Kan. : Kansas State University, 2006. http://hdl.handle.net/2097/154.

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20

Leonardo, Teresa Elizabeth. "Host plant specialization in the pea aphid : exploring the role of facultative symbionts /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2004. http://uclibs.org/PID/11984.

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21

Birkle, Lucinda. "A molecular characterisation of the mitochondria and bacteria of the pea aphid, Acyrthosiphon pisum." Thesis, University of York, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387619.

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22

Buchman, Natalie L. "Influences of Pea Morphology and Interacting Factors on Pea Aphids (Acyrthosiphon pisum)." Ohio : Ohio University, 2008. http://www.ohiolink.edu/etd/view.cgi?ohiou1218819576.

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23

Stewart, Sophie Alice. "Exploring effective, clone-specific resistance against the pea aphid (Acyrthosiphon pisum) in Medicago truncatula." Thesis, Imperial College London, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.511842.

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24

Balthazor, James. "Studies of human Armet and of pea aphid transcripts of saliva proteins and the Unfolded Protein Response." Diss., Kansas State University, 2015. http://hdl.handle.net/2097/35218.

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Doctor of Philosophy<br>Biochemistry and Molecular Biophysics Interdepartmental Program<br>Gerald R. Reeck<br>Armet is a bifunctional protein that is apparently universally distributed among multicellular animal species, vertebrate and invertebrate alike. A member of the Unfolded Protein Response, (UPR) Armet promotes survival in cells that are under endoplasmic-reticulum (ER) stress. I have carried out biophysical studies on human Armet looking for compounds that bind to Armet and hence could reduce its anti-apoptotic function, thus potentially joining the growing class of pro-apoptotic

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25

Kushlan, Philip. "The Influence of Endosymbiont Metabolism on the Δ15N Value of the Pea Aphid, Acyrthosiphon pisum". Scholarly Repository, 2011. http://scholarlyrepository.miami.edu/oa_theses/264.

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The use of stable nitrogen isotope data in ecological and physiological studies is based in the assumption that nitrogen fractionates predictably during metabolism, leading to a broadly conserved pattern whereby consumers are isotopically enriched with respect to their diets. The application of stable isotope data to such studies is limited is by our understanding of the factors in that cause variability in the Δ15N values of consumers. In particular, parasites and fluid-feeders have been shown to demonstrate isotopic depletion with respect to their food sources. One factor that has been sugge

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26

Hopkins, D. P. "The chemical ecology of host plant associated speciation in the pea aphid (Acyrthosiphon pisum) (Homoptera: Aphididae)." Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/11933/.

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Previous work on pea aphid (Acyrthosiphon pisum) host-plant associated races has attributed their divergence to genes involved in chemosensory functions and metabolism of chemicals. In this study the host plant metabolic processes that drive A. pisum host plant race formation were investigated. First, profiles of aphid acceptance of plants were developed using the electrical penetration graph (EPG) technique. The acceptance of four A. pisum clones from two host races, associated with Medicago sativa or Trifolium pratense, was profiled across nine Medicago and ten Trifolium plant species. Accep

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27

Wilson, Alex, Helen Dunbar, Gregory Davis, Wayne Hunter, David Stern, and Nancy Moran. "A dual-genome microarray for the pea aphid, Acyrthosiphon pisum, and its obligate bacterial symbiont, Buchnera aphidicola." BioMed Central, 2006. http://hdl.handle.net/10150/610396.

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BACKGROUND:The best studied insect-symbiont system is that of aphids and their primary bacterial endosymbiont Buchnera aphidicola. Buchnera inhabits specialized host cells called bacteriocytes, provides nutrients to the aphid and has co-speciated with its aphid hosts for the past 150 million years. We have used a single microarray to examine gene expression in the pea aphid, Acyrthosiphon pisum, and its resident Buchnera. Very little is known of gene expression in aphids, few studies have examined gene expression in Buchnera, and no study has examined simultaneously the expression profiles of

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28

Boulain, Hélène. "Diversité, caractéristiques évolutives et rôles des effecteurs salivaires du puceron du pois dans l’interaction avec ses plantes hôtes." Thesis, Rennes, Agrocampus Ouest, 2017. http://www.theses.fr/2017NSARA082/document.

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Les effecteurs jouent un rôle fondamental lors des interactions antagonistes plantes-pathogènes en supprimant les défenses de la plante, permettant ainsi aux parasites de se développer. De tels effecteurs ont été caractérisés chez les insectes herbivores mais leur rôle dans la spécialisation à la plante reste méconnu. Les pucerons se nourrissent de la sève du phloème et injectent dans la plante des effecteurs salivaires. L'étude des patrons d’évolution des effecteurs, ainsi que la caractérisation de leurs fonctions sont nécessaires à la compréhension des mécanismes de spécialisation chez les p

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29

Heerman, Matthew C. "Analysis of EST’s encoding pea aphid Acyrthosiphon pisum C002 & the effect of armet transcript knockdown in Tribolium castaneum." Thesis, Kansas State University, 2012. http://hdl.handle.net/2097/17148.

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Master of Science<br>Department of Biochemistry<br>Gerald Reeck<br>Aphids mount a remarkable salivary secretion to overcome plant host defenses. Our group has previously reported a gene unique to aphids enriched in the salivary glands of the pea aphid A. pisum, C002, which is required for successful feeding on its host plant Vicia fava. Here I present an analysis of genetic variation within the available EST data for C002 in pea aphids. From 596 total ESTs, 332 are full-length, and segregate into 8 validated haplotypes based on the criteria I set in place to access the quality of EST data. Add

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30

Moravvej, Gholamhossein. "The responses of the pea aphid Acyrhosiphon to the nitrogen status of its host plant with reference to insecticide susceptibility." Thesis, University of Newcastle Upon Tyne, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369835.

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31

Meyer, Amanda R. "Novel approaches for the chromatographic and electrophoretic separation of molecules." Diss., Manhattan, Kan. : Kansas State University, 2008. http://hdl.handle.net/2097/1031.

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32

Sanchez-Arcos, Carlos Fernando [Verfasser], Georg [Gutachter] Pohnert, and Jonathan [Gutachter] Gershenzon. "Legume chemistry and the specificity of the pea aphid (Acyrthosiphon pisum) host races / Carlos Fernando Sanchez-Arcos ; Gutachter: Georg Pohnert, Jonathan Gershenzon." Jena : Friedrich-Schiller-Universität Jena, 2018. http://d-nb.info/1170395732/34.

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33

Schwarzkopf, Alexander [Verfasser], Jonathan [Gutachter] Gershenzon, Rolf G. [Gutachter] Beutel, and Jean-Christophe [Gutachter] Simon. "Electrophysiological localization of plant factors affecting pea aphid (Acyrthosiphon pisum) compatibility to host and non-host plants / Alexander Schwarzkopf ; Gutachter: Jonathan Gershenzon, Rolf G. Beutel, Jean-Christophe Simon." Jena : Friedrich-Schiller-Universität Jena, 2017. http://d-nb.info/1177600404/34.

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34

Khudr, Mouhammad Shadi. "Interwoven tributaries : a community genetics platform for ecological interactions." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/interwoven-tributariesa-community-genetics-platform-for-ecological-interactions(1aae8f17-0652-43cc-b84e-59d9277c3625).html.

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Community genetics research investigates the influence of intra-specific genetic variation on species interactions. This rapidly growing research field consists of more than one approach to explore how a significant portion of the environment of a focal species is differentially defined by the expressed genomes of other interacting species. While the basic concept of community genetics is well supported empirically, there is still a set of pertinent issues in need of further investigation. The initial research addressed herein focused on the extent to which the magnitude of a community genetic

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35

Richard, Gautier. "Régulations chromatiniennes et transcriptionnelles impliquées dans le cycle de vie du puceron du pois." Thesis, Rennes, Agrocampus Ouest, 2017. http://www.theses.fr/2017NSARB130/document.

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Les pucerons sont des hémiptères ravageurs des cultures agronomiques particulièrement adaptés à leur environnement. Acyrthosiphon pisum (le puceron du pois) présente un cycle de vie basé sur l’alternance d’une reproduction sexuée ou asexuée en réponse à la photopériode. Ils présentent ainsi un polyphénisme de reproduction aboutissant à la formation de trois phénotypes distincts : femelles asexuées, femelles sexuées, et mâles. Ces derniers étant obtenus par élimination d’un chromosome X, A. pisum est une espèce hétérogamétique mâle présentant un système chromosomique XX chez les femelles et X0

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36

Salgueiro, Sancha P. "Molecular studies on pea enation mosaic virus." Thesis, University of East Anglia, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.317586.

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37

West, Joan A. "Geography and genetics of ecological speciation in pea aphids." College Park, Md.: University of Maryland, 2008. http://hdl.handle.net/1903/8023.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2008.<br>Thesis research directed by: Behavior, Ecology, Evolution and Systematics Program. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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38

Hendry, Tory A., Kelley J. Clark, and David A. Baltrus. "A highly infective plant-associated bacterium influences reproductive rates in pea aphids." ROYAL SOC, 2016. http://hdl.handle.net/10150/617209.

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Pea aphids, Acyrthosiphon pisum, have the potential to increase reproduction as a defence against pathogens, though how frequently this occurs or how infection with live pathogens influences this response is not well understood. Here we determine the minimum infective dose of an environmentally common bacterium and possible aphid pathogen, Pseudomonas syringae, to determine the likelihood of pathogenic effects to pea aphids. Additionally, we used P. syringae infection to investigate how live pathogens may alter reproductive rates. We found that oral bacterial exposure decreased subsequent surv

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39

Valls, Aleix. "Effects of Temperature on Pea Aphids, their Host Plants, and their Parasitoids." Diss., North Dakota State University, 2018. https://hdl.handle.net/10365/27477.

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Temperature has the potential to alter every aspect of an organism?s biology. This is especially true when we focus on small ectotherms such as insects. Understanding the effects of temperature on insects is particularly important given that climate change scenarios predict changes in temperature across the globe. In Chapter 1 we explored the effects of heat shocks on a discrete host-parasitoid interaction, specifically asking what happens if the heat shock happened before, during or after the interaction. We found that heat shocks had a stronger negative effect when they occurred while the wa

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40

Pandharikar, Gaurav. "Symbiose fixatrice d'azote versus nutrition minérale azotée : conséquence sur l'interaction entre Medicago truncatula et le puceron du pois Acyrthosiphon pisum." Electronic Thesis or Diss., Université Côte d'Azur, 2020. http://theses.univ-cotedazur.fr/2020COAZ6005.

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Les symbiotes jouent un rôle crucial dans le phénotype de leur hôte et dans son adaptation à l'environnement. Cependant, jusqu'à récemment, les interactions plantes-insectes étaient étudiées sans tenir compte de la présence de bactéries symbiotiques chez les partenaires impliqués. De nouvelles découvertes ont démontré que les communautés racinaires et aériennes des plantes sont liées. Dans ce contexte, mon doctorat s'interroge sur la façon dont les interactions entre les espèces végétales et les insectes sont modulées par leurs symbiotes respectifs. Dans un premier temps, j'ai analysé le rôle

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41

Higashi, Susan. "MiRNA and co : methodologically exploring the world of small RNAs." Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10252/document.

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La principale contribution de cette thèse est le développement d'une méthode fiable, robuste, et rapide pour la prédiction des pré-miARNs. Deux objectifs avaient été assignés : efficacité et flexibilité. L'efficacité a été rendue possible au moyen d'un algorithme quadratique. La flexibilité repose sur deux aspects, la nature des données expérimentales et la position taxonomique de l'organisme (en particulier plantes ou animaux). Mirinho accepte en entrée des séquences de génomes complets mais aussi les très nombreuses séquences résultant d'un séquençage massif de type NGS de “RNAseq”. “L'unive

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42

Joschinski, Jens [Verfasser], Jochen [Gutachter] Krauss, Flavio [Gutachter] Roces, and Thomas [Gutachter] Hovestadt. "Is the phenology of pea aphids (Acyrthosiphon pisum) constrained by diurnal rhythms? / Jens Joschinski ; Gutachter: Jochen Krauss, Flavio Roces, Thomas Hovestadt." Würzburg : Universität Würzburg, 2018. http://d-nb.info/115849694X/34.

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43

Robinson, K. A. "Use of floral resources by the lacewing Micromus tasmaniae and its parasitoid Anacharis zealandica, and the consequences for biological control by M. tasmaniae." Diss., Lincoln University, 2009. http://hdl.handle.net/10182/823.

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Arthropod species that have the potential to damage crops are food resources for communities of predators and parasitoids. From an agronomic perspective these species are pests and biocontrol agents respectively, and the relationships between them can be important determinants of crop yield and quality. The impact of biocontrol agents on pest populations may depend on the availability of other food resources in the agroecosystem. A scarcity of such resources may limit biological control and altering agroecosystem management to alleviate this limitation could contribute to pest management. This

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44

Huang, Ting-Yu, and 黃廷宇. "Anteroposterior axis determination in pea aphid Acyrthosiphon pisum." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/92826157416603238875.

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博士<br>國立臺灣大學<br>生化科學研究所<br>99<br>Patterning insect embryos is controlled by a spectrum of well-conserved genes. Anteroposterior axis formation is well understood in Drosophila in which bicoid and caudal encode proteins that form morphogenetic gradients from both poles of the embryo and both of them play a key role in anterior and posterior patterning of the fruit fly embryo. However, recent studies suggest bicoid is an invention of new regulatory protein during the evolution. In some non-dipteran insects such as wasp (Nasonia vitripennis) and beetle (Tribolium castaneum), the anterior specific

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45

Soroka, Juliana. "Pea aphid, Acyrthosiphon pisum (Harris), populations on cultivars of field peas in Manitoba and their effects on pea yield." 1989. http://hdl.handle.net/1993/7195.

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The research for this project was undertaken from 1984 to 1987. Natural infestations of pea aphids, Acyrthosiphon pisum (Harris), were measured throughout the summer on five (1984) or six (1985, 1986) cultivars of field peas in small field plots near Glenlea, Manitoba. sarting from equal numbers of pea aphids per cage, in 1986 pea aphid populations were also monitored in 1 m3 field cages which contained plants of one of these six field pea cultivars. Throughout the summers of 1985 and 1986 pea aphids were also sampled in a total of nine Century, four Trapper and two Triumph commercial pea fie

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46

Deneka, Barbara A. "Seasonal dispersal of the pea aphid parasitoid, Aphidius ervi Haliday." 1992. http://hdl.handle.net/1993/17997.

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47

Akey, David Harold. "Nutrition and culture of the pea aphid, Acyrthosiphon pisum, on defined diets." 1994. http://catalog.hathitrust.org/api/volumes/oclc/32909304.html.

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Thesis (Ph. D.)--University of Wisconsin--Madison, 1972.<br>Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.

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48

Maiteki, George Alfred. "Seasonal abundance, damage assessment and economic threshold of the pea aphid, Acyrthosiphon pisum (Harris), on field peas in Manitoba." 1985. http://hdl.handle.net/1993/28794.

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49

Heppler, Marty Leanne. "Pathogenicity of four Serratia marcescens to the pea aphid, Acyrthosiphon pisum, and the squash bug, Anasa tristis." 2007. http://digital.library.okstate.edu/etd/umi-okstate-2499.pdf.

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50

Chung, Chen-yo, and 鍾成侑. "Exploration of non-canonical expression of developmental genes in the asexual viviparous pea aphid using fluorescence approaches." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/39194265777581632775.

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博士<br>國立臺灣大學<br>昆蟲學研究所<br>102<br>The pea aphid Acyrthosiphon pisum is a genomic model insect and a unique model for polyphenism due to its developmental plasticity in response to environmental cues. To uncover the relation of embryonic development and gene regulations, reliable expression protocols and functional tools are required. Whole-mount in situ hybridization (WISH) we previously reported can be used to monitor gene expressions during embryogenesis, however chromogenic signals are defective in double detection of genes and construction of three-dimensional image. I therefore developed a

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