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Full-Text Articles in Life Sciences
Specialization And Trade-Offs In Plant-Feeding Insects, Daniel Peterson
Specialization And Trade-Offs In Plant-Feeding Insects, Daniel Peterson
Doctoral Dissertations
The immense diversity of life on Earth has been attributed to the partitioning of available resources into ecological niches, but it is not obvious what determines the niche size of each species. For example, most plant-feeding insects consume only one or a few closely-related host-plant species despite the advantages of having a broader diet. Many researchers have therefore suggested that the evolution of broad diets in plant-feeding insects must be constrained by genetic trade-offs between adaptations to alternative host-plants. Despite its intuitive feel, however, little empirical evidence in support of the trade-off hypothesis has emerged from decades of experimental studies …
Things Are Getting Hairy: Enterobacteria Bacteriophage Vb_Pcam_Cbb, Colin Buttimer, Hanne Hendrix, Hugo Oliveira, Aidan Casey, Horst Neve, Olivia Mcauliffe, R. Paul Ross, Colin Hill, Jean Paul Noben, Jim O'Mahony, Rob Lavigne, Aidan Coffey
Things Are Getting Hairy: Enterobacteria Bacteriophage Vb_Pcam_Cbb, Colin Buttimer, Hanne Hendrix, Hugo Oliveira, Aidan Casey, Horst Neve, Olivia Mcauliffe, R. Paul Ross, Colin Hill, Jean Paul Noben, Jim O'Mahony, Rob Lavigne, Aidan Coffey
Department of Biological Sciences Publications
© 2017 Buttimer, Hendrix, Oliveira, Casey, Neve, McAuliffe, Ross, Hill, Noben, O'Mahony, Lavigne and Coffey. Enterobacteria phage vB_PcaM_CBB is a "jumbo" phage belonging to the family Myoviridae. It possesses highly atypical whisker-like structures along the length of its contractile tail. It has a broad host range with the capability of infecting species of the genera Erwinia, Pectobacterium, and Cronobacter. With a genome of 355,922 bp, excluding a predicted terminal repeat of 22,456 bp, phage CBB is the third largest phage sequenced to date. Its genome was predicted to encode 554 ORFs with 33 tRNAs. Based on prediction and proteome analysis …
Population Growth Rate Of Dry Bulb Mite, Aceria Tulipae (Acariformes: Eriophyidae), On Agriculturally Important Plants And Implications For Its Taxonomic Status, Agnieszka Kiedrowicz, Brian G. Rector, Suzanne Lommen, Lechosław Kuczyński, Wiktoria Szydło, Anna Skoracka
Population Growth Rate Of Dry Bulb Mite, Aceria Tulipae (Acariformes: Eriophyidae), On Agriculturally Important Plants And Implications For Its Taxonomic Status, Agnieszka Kiedrowicz, Brian G. Rector, Suzanne Lommen, Lechosław Kuczyński, Wiktoria Szydło, Anna Skoracka
Department of Entomology: Faculty Publications
Dry bulb mite (DBM), Aceria tulipae, is an economically important mite with a worldwide distribution and a broad host range. As a generalist, it is the most important eriophyoid mite attacking bulbous plants such as garlic, onion and tulip. To date, DBM has been recorded on host plants belonging to the families Liliaceae, Amaryllidaceae, Melanthiaceae and Asparagaceae. However, a precise understanding of DBM host range is lacking as it is largely based on casual records of mites on plants, some of which may include accidental hosts. Moreover, the possible existence of cryptic species has not been considered. In this …
Host Allometry Influences The Evolution Of Parasite Host-Generalism: Theory And Meta-Analysis, Josephine G. Walker, Amy Hurford, Jo Cable, Amy R. Ellison, Stephen J. Price, Clayton E. Cressler
Host Allometry Influences The Evolution Of Parasite Host-Generalism: Theory And Meta-Analysis, Josephine G. Walker, Amy Hurford, Jo Cable, Amy R. Ellison, Stephen J. Price, Clayton E. Cressler
School of Biological Sciences: Faculty Publications
Parasites vary widely in the diversity of hosts they infect: some parasite species are specialists—infecting just a single host species, while others are generalists, capable of infecting many. Understanding the factors that drive parasite host-generalism is of basic biological interest, but also directly relevant to predicting disease emergence in new host species, identifying parasites that are likely to have unidentified additional hosts, and assessing transmission risk. Here, we use mathematical models to investigate how variation in host body size and environmental temperature affect the evolution of parasite host-generalism. We predict that parasites are more likely to evolve a generalist strategy …
Biology And Ecology Of Crapemyrtle Bark Scale, Acanthococcus Lagerstroemiae (Kuwana) (Hemiptera: Eriococcidae), Zinan Wang
LSU Master's Theses
The crapemyrtle bark scale, Acanthococcus lagerstroemiae (Kuwana) (Hemiptera: Eriococcidae), is an exotic pest on crapemyrtles, Lagerstroemia spp. (Myrtales: Lythraceae). Because of its recent arrival in the US, little is known about its biology and ecology. The purpose of my thesis was to improve the knowledge about A. lagerstroemiae in four aspects involving its thermal tolerance, physiological adaptations to cold temperatures, temperature-dependent development and host range. Thermal tolerance was determined to understand how temperature extremes constrain the distribution of A. lagerstroemiae in the US. Results suggested that A. lagerstroemiae can tolerant high heat, but its potential distribution to the northern US …
Host Allometry Influences The Evolution Of Parasite Host-Generalism: Theory And Meta-Analysis, Josephine G. Walker, Amy Hurford, Jo Cable, Amy R. Ellison, Stephen J. Price, Clayton E. Cressler
Host Allometry Influences The Evolution Of Parasite Host-Generalism: Theory And Meta-Analysis, Josephine G. Walker, Amy Hurford, Jo Cable, Amy R. Ellison, Stephen J. Price, Clayton E. Cressler
School of Biological Sciences: Faculty Publications
Parasites vary widely in the diversity of hosts they infect: some parasite species are specialists—infecting just a single host species, while others are generalists, capable of infecting many. Understanding the factors that drive parasite host-generalism is of basic biological interest, but also directly relevant to predicting disease emergence in new host species, identifying parasites that are likely to have unidentified additional hosts, and assessing transmission risk. Here, we use mathematical models to investigate how variation in host body size and environmental temperature affect the evolution of parasite host-generalism. We predict that parasites are more likely to evolve a generalist strategy …