{"id":{"repo_id":"lethbridge","oai_identifier":"oai:opus.uleth.ca:10133/3518"},"canonical_url":"https://search.dev.ndltd.org/etd/lethbridge/oai:opus.uleth.ca:10133/3518","repository":{"repo_id":"lethbridge","name":"University of Lethbridge","base_url":"https://opus.uleth.ca/server/oai/request"},"display":{"title":"Characterizing Arabidopsis thaliana mutant lines that affect leaf shape and vein pattern","abstract":"An optimum leaf shape and vein pattern is necessary for vascular plant success. The isolation of leaf morphological mutants of Arabidopsis thaliana has been used for leaf development studies. Auxin is a signal molecular that regulates plant development and growth processes. I have analyzed four mutations in detail, and I suggest that they all have defects in auxin regulated plant development processes. Mutant 115-11-21-4 is an allele of FKD1 with frequent distal free-ending veins. Mutant 31-83-4-3 likely has increased auxin flux through secondary veins and increased downward auxin transport through the shoot, possibly due to increased PIN1 expression and/or altered PIN1 localization. Mutant 32-2-4 likely has increased auxin activity at marginal auxin convergence points resulting in the formation of increased leaf serrations. Mutant 33-7-5(4) may have a global reduction in auxin biosynthesis or response, thus the whole plant is weak and pale, with slower shoot and root growth rate and gravitropic response.","abstract_html":"An optimum leaf shape and vein pattern is necessary for vascular plant success. The isolation of leaf morphological mutants of Arabidopsis thaliana has been used for leaf development studies. Auxin is a signal molecular that regulates plant development and growth processes. I have analyzed four mutations in detail, and I suggest that they all have defects in auxin regulated plant development processes. Mutant 115-11-21-4 is an allele of FKD1 with frequent distal free-ending veins. Mutant 31-83-4-3 likely has increased auxin flux through secondary veins and increased downward auxin transport through the shoot, possibly due to increased PIN1 expression and/or altered PIN1 localization. Mutant 32-2-4 likely has increased auxin activity at marginal auxin convergence points resulting in the formation of increased leaf serrations. Mutant 33-7-5(4) may have a global reduction in auxin biosynthesis or response, thus the whole plant is weak and pale, with slower shoot and root growth rate and gravitropic response.","abstract_has_math":false,"creators":["Liu, Chen"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014","date_published":"2014","updated_at":"2026-07-27T20:02:05Z","subjects":["Arabidopsis thaliana","auxin regulation","mutations","plant development"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["hdl:10133/3518"],"render_values":[{"text":"hdl:10133/3518","href":null,"code":true}]}]},"links":{"outbound_url":null,"outbound_label":null,"outbound_source":null},"metadata_groups":[{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.issued","label":"Date","values":["2014"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Arabidopsis thaliana","auxin regulation","mutations","plant development"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["hdl:10133/3518"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.other","label":"Dc Description Other","values":["An optimum leaf shape and vein pattern is necessary for vascular plant success. The isolation of leaf morphological mutants of Arabidopsis thaliana has been used for leaf development studies. Auxin is a signal molecular that regulates plant development and growth processes. I have analyzed four mutations in detail, and I suggest that they all have defects in auxin regulated plant development processes. Mutant 115-11-21-4 is an allele of FKD1 with frequent distal free-ending veins. Mutant 31-83-4-3 likely has increased auxin flux through secondary veins and increased downward auxin transport through the shoot, possibly due to increased PIN1 expression and/or altered PIN1 localization. Mutant 32-2-4 likely has increased auxin activity at marginal auxin convergence points resulting in the formation of increased leaf serrations. Mutant 33-7-5(4) may have a global reduction in auxin biosynthesis or response, thus the whole plant is weak and pale, with slower shoot and root growth rate and gravitropic response."]},{"key":"dc:title","label":"Title","values":["Characterizing Arabidopsis thaliana mutant lines that affect leaf shape and vein pattern"]}]}],"canonical_facts":{"dc:date.issued":["2014"],"dc:description.other":["An optimum leaf shape and vein pattern is necessary for vascular plant success. The isolation of leaf morphological mutants of Arabidopsis thaliana has been used for leaf development studies. Auxin is a signal molecular that regulates plant development and growth processes. I have analyzed four mutations in detail, and I suggest that they all have defects in auxin regulated plant development processes. Mutant 115-11-21-4 is an allele of FKD1 with frequent distal free-ending veins. Mutant 31-83-4-3 likely has increased auxin flux through secondary veins and increased downward auxin transport through the shoot, possibly due to increased PIN1 expression and/or altered PIN1 localization. Mutant 32-2-4 likely has increased auxin activity at marginal auxin convergence points resulting in the formation of increased leaf serrations. Mutant 33-7-5(4) may have a global reduction in auxin biosynthesis or response, thus the whole plant is weak and pale, with slower shoot and root growth rate and gravitropic response."],"dc:identifier":["hdl:10133/3518"],"dc:subject":["Arabidopsis thaliana","auxin regulation","mutations","plant development"],"dc:title":["Characterizing Arabidopsis thaliana mutant lines that affect leaf shape and vein pattern"],"dc:type":["Thesis"]},"updated_at":"2026-07-27T20:02:05Z"}