Date of Award
2010
Publication Type
Master Thesis
Degree Name
M.Sc.
Department
Biological Sciences
Keywords
Health and environmental sciences, Biological sciences
Supervisor
Jan Ciborowski
Rights
info:eu-repo/semantics/openAccess
Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-No Derivative Works 4.0 International License.
Abstract
Midge larvae possess giant polytene chromosomes. Genes on these chromosomes undergoing transcription are visible as puffs. The nucleolar organizer (NOR), an especially large puff, shrinks when a larva is stressed. Two feeding experiments were conducted to examine how NOR size changes as a function of Chironomus riparius growth. NOR size was linearly related to an individual's recent growth rate, independent of its body size.
Chironomids were collected from wetlands constructed with oil sands mine water and tailings (OSPM), and reference wetlands to evaluate the utility of the NOR as a field-based measure of larval growth and condition. Small larvae (
Recommended Citation
Martin, Joshua P., "The nucleolar organizer of the salivary gland polytene chromosomes as a measure of recent growth in laboratory-reared and field-collected Chironomus Spp. (Diptera: Chironomidae) larvae" (2010). Electronic Theses and Dissertations. 8017.
https://scholar.uwindsor.ca/etd/8017