Publications by authors named "Cassandra Hammond"

Nanopore probing of molecular level transport of proteins is strongly influenced by electrolyte type, concentration, and solution pH. As a result, electrolyte chemistry and applied voltage are critical for protein transport and impact, for example, capture rate ( ), transport mechanism (, electrophoresis, electroosmosis or diffusion), and 3D conformation (, chaotropic kosmotropic effects). In this study, we explored these using 0.

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Water deficit limits plant growth and development by interfering with several physiological and molecular processes both in root and shoot tissues. Through their ability to scavenge nitric oxide (NO), phytoglobins (Pgbs) exercise a protective role during several conditions of stress. While their action has been mainly documented in roots, it is unclear whether Pgb exercises a specific and direct role in shoot tissue.

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Maintenance of a functional root is fundamental to plant survival in response to some abiotic stresses, such as water deficit. In this study, we found that overexpression of Arabidopsis class 1 phytoglobin (AtPgb1) alleviated the growth retardation of polyethylene glycol (PEG)-induced water stress by reducing programmed cell death (PCD) associated with protein folding in the endoplasmic reticulum (ER). This was in contrast to PEG-stressed roots down-regulating AtPgb1 that exhibited extensive PCD and reduced expression of several attenuators of ER stress, including BAX Inhibitor-1 (BI-1).

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