The bottleneck in the turnover of soil organic matter (SOM) is the conversion of large molecular compounds into smaller compounds that can be transported through a cell membrane of a microbe for processing. Once inside the cell, organic compounds can be converted into biomass or be respired. The microbial depolymerization...
The goals of this experiment highlighted in this poster were to find a suitable extractant to extract protein adsorbed onto iron oxide minerals and to determine whether those minerals can modify protein. Data obtained from this experiment provides crucial background information to study the effects hydrogen peroxide has on protein...
Molecular dynamics simulations, conventional and metadynamics, were performed to determine the interaction of model protein Gb1 over kaolinite (001), Na⁺-montmorillonite (001), Ca²⁺-montmorillonite (001), goethite (100), and Na⁺-birnessite (001) mineral surfaces. Gb1, a small (56 residue) protein with a well-characterized solution-state nuclear magnetic resonance (NMR) structure and having α-helix, 4-fold β-sheet,...
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,1 StephanyS. Chacon,2 Nikolla P. Qafoku,3 Nancy M. Washton,1
Markus Kleber2,4
1Environmental
The ability of plants and microorganisms to take up organic nitrogen in the form of free amino acids and oligopeptides has received increasing attention over the last two decades, yet the mechanisms for the formation of such compounds in soil environments remain poorly understood. We used Nuclear Magnetic Resonance (NMR)...
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:
implications for a mechanism to supply soil biota
with oligopeptides.
Patrick N. Reardon
b*
, StephanyS
The ability of plants and microorganisms to take up organic nitrogen in the form of free amino acids and oligopeptides has received increasing attention over the last two decades, yet the mechanisms for the formation of such compounds in soil environments remain poorly understood. We used Nuclear Magnetic Resonance (NMR)...
Full Text:
: Implications
for a Mechanism to Supply Soil Biota with Oligopeptides
Patrick N. Reardon,*,‡ StephanyS. Chacon
Molecular dynamics simulations, conventional and metadynamics, were performed to determine the interaction of model protein Gb1 over kaolinite (001), Na⁺-montmorillonite (001), Ca²⁺-montmorillonite (001), goethite (100), and Na⁺-birnessite (001) mineral surfaces. Gb1, a small (56 residue) protein with a well-characterized solution-state nuclear magnetic resonance (NMR) structure and having α-helix, 4-fold β-sheet,...
Full Text:
Andersen,*,† Patrick N. Reardon,† StephanyS. Chacon,§ Nikolla P. Qafoku,‡ Nancy M. Washton,†
and Markus
Molecular dynamics simulations, conventional and metadynamics, were performed to determine the interaction of model protein Gb1 over kaolinite (001), Na⁺-montmorillonite (001), Ca²⁺-montmorillonite (001), goethite (100), and Na⁺-birnessite (001) mineral surfaces. Gb1, a small (56 residue) protein with a well-characterized solution-state nuclear magnetic resonance (NMR) structure and having α-helix, 4-fold β-sheet,...
The ability of plants and microorganisms to take up organic nitrogen in the form of free amino acids and oligopeptides has received increasing attention over the last two decades, yet the mechanisms for the formation of such compounds in soil environments remain poorly understood. We used Nuclear Magnetic Resonance (NMR)...
Soil is a complex living system with high heterogeneity, which makes locating soil map boundaries a challenge. In traditional soil survey, the placement of soil map boundaries relies largely (at least initially) on identifying the soil-forming factors of biota and topographic relief through stereo aerial photo pairs. Future soil survey...
Andic soils (aka Andisols) have unique properties that are important to society. For soil scientists, the genesis and taxonomy of Andisols is often confused because they can form in both volcanic and non-volcanic material. This dissertation seeks to address such confusion by looking at andic soil development in the Cascade...