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Molecular Characterization Of Short And Long Term Iron Stress Responses In Soybean, Leorrie Ann Atencio Jan 2016

Molecular Characterization Of Short And Long Term Iron Stress Responses In Soybean, Leorrie Ann Atencio

Graduate Theses and Dissertations

Iron Deficiency Chlorosis (IDC) is a disease caused by lack of useable iron in the soil. Symptoms include stunting and interveinal chlorosis of the leaves, eventually leading to yield loss at the end of the season. IDC is particularly important in the upper Midwestern United States because soil conditions favor its development. With the use of next generation sequencing approaches, we characterized soybeans’ short and long-term response to iron stress. Our research takes advantage of two near isogenic lines that are 98% genetically identical but differ in their iron efficiency response. Clark plants are iron efficient, while Isoclark plants are ...


Identification Of Cyclophilin Gene Family In Soybean And Characterization Of Gmcyp1, Hemanta Raj Mainali Jul 2013

Identification Of Cyclophilin Gene Family In Soybean And Characterization Of Gmcyp1, Hemanta Raj Mainali

Electronic Thesis and Dissertation Repository

I identified members of the Cyclophilin (CYP) gene family in soybean (Glycine max) and characterized the GmCYP1, one of the members of soybean CYP. CYPs belong to the immunophilin superfamily with peptidyl-prolyl cis-trans isomerase (PPIase) activity. PPIase catalyzes the interconversion of the cis- and trans-rotamers of the peptidyl-prolyl amide bond of peptides. After extensive data mining, I identified 62 different CYP genes in soybean (GmCYP1 to GmCYP62), of which 8 are multi-domain proteins and 54 are single domain proteins. At least 25% of the GmCYP genes are expressed in soybean. GmCYP1 localizes to the nucleus and the cytoplasm and ...


Analysis Of Iron Transporters In The Soybean (Glycine Max (L.) Merr.) Genome, Dan Stribe Jan 2012

Analysis Of Iron Transporters In The Soybean (Glycine Max (L.) Merr.) Genome, Dan Stribe

Graduate Theses and Dissertations

Iron plays a significant role in numerous cellular functions. Improved uptake and efficiency of use can have strong positive effects on the health of plants, animals and humans. Major players in iron homeostasis are the Iron-Regulated Transporters (IRT). The purpose of this research is to identify putative Iron-Regulated Transporter genes in soybean, structurally characterize these genes and examine their relational phylogeny. Additionally, gene sequence data and gene expression patterns will be considered to differentiate each gene's potential role in iron homeostasis of soybean. In this study, we identified fourteen soybean gene models with significant predicted protein similarity to A ...