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Iowa State University

Soybean

Biochemistry

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Local Vs. Systemic Modifications Of Soybean (Glycine Max) Defense Signals In Response To Soybean Aphid (Aphis Glycines Matsumura) Infestation, Khoi Nguyen Jan 2015

Local Vs. Systemic Modifications Of Soybean (Glycine Max) Defense Signals In Response To Soybean Aphid (Aphis Glycines Matsumura) Infestation, Khoi Nguyen

Graduate Theses and Dissertations

Soybean aphids, Aphis glycines, are a specialized phloem-feeding pest of soybeans. They are known to employ different mechanisms to bypass plant defenses and reduce soybean plant yields of up to 50% a year. Once attacked or sensing distress, soybeans induce the oxylipin pathway, a biosynthetic pathway that produces key plant hormones. Among these hormones is jasmonic acid (JA), which is produced from linolenic acid (18:3). Jasmonic acid can signal the production of protease inhibitors as one of the products that obstructs the attackers’ ability to digest protein. Previous studies show that levels of three key fatty acid precursors (palmitic ...


13c-Metabolic Flux Analysis Of Soybean Somatic Embryos For Identification Of Metabolic Control Points In Developing Seed, Quyen Xuan Truong Dec 2012

13c-Metabolic Flux Analysis Of Soybean Somatic Embryos For Identification Of Metabolic Control Points In Developing Seed, Quyen Xuan Truong

Graduate Theses and Dissertations

Of the world's major agronomic food crops soybeans rank highest in protein content (~40% Dwt) while also containing significant quantities of oil (~20% Dwt). Based on these unique characteristics soy has become a mainstay in world agriculture, providing a protein source for livestock and human nutrition (68% of global vegetable protein meal consumption in 2011) as well as a primary source of vegetable oil (28% of global vegetable oil consumption in 2011; http://www.soystats.com/2012). The value of soy is therefore found both in its oil and protein content and increasing the content of both is therefore ...


The Movement Of Tritiated Water In Plants , Ivan Chiu-Sheung Choi Jan 1965

The Movement Of Tritiated Water In Plants , Ivan Chiu-Sheung Choi

Retrospective Theses and Dissertations

No abstract provided.


Kinetics Of Photosynthate Translocation, Donald Boyd Fisher Jan 1965

Kinetics Of Photosynthate Translocation, Donald Boyd Fisher

Retrospective Theses and Dissertations

No abstract provided.


The Concentration, Characterization And Properties Of Soybean Amylase , J. Marshall Newton Jan 1941

The Concentration, Characterization And Properties Of Soybean Amylase , J. Marshall Newton

Retrospective Theses and Dissertations

No abstract provided.