Thursday Physiologicals

G. veletis requires three environmental cues to become freeze tolerant, but why? This proposal talk will introduce methods that may help us begin understanding the role of environmental cues in shifting physiological processes.

Aliphatic suberin is a key component for partial resistance in soybean; however, many key enzymes invovled in it's biosynthesis remain uncharacterized. My research employ molecular and genome-editing tools to understand the roles of CYPs in soybean aliphatic suberin biosynthesis.

Knowledge of mycochemical profile of these mushrooms can be utilized as a data-driven decision support tool in the development of novel functional products and optimization of green valorization processes.

How do freeze-tolerant crickets ensure the delicate tissue of the compound eye doesn’t turn into eyes-cream? My objective is to characterize how freezing and thawing affects the eye of the spring field cricket Gryllus veletis.

Ginseng cultivation is affected by ginseng replant disease (GRD) mainly due to the fungal root rot pathogen Ilyonectria mors-panacis (Imp). I'm studying the interaction between another root pathogen found in ginseng garden soil and Imp to see if it enhances disease symptoms in ginseng.

Due to the climate conditions in the Newfoundland region, enzymes derived from marine organisms have distinct biochemistry. This study focuses on marine-based lysosomal proteases with medicinal and industrial applications.

Spider legs contain systems that contribute to damping, the dissipation of energy over time, which is important for receiving vibration signals. I am investigating how much each system contributes to overall damping in the leg joints on Black Widow spiders.

Thirteen-lined ground squirrels oscillate between two physiological states during hibernation: torpor and interbout euthermia. My research investigates posttranslational modifications as a potential driving force in changes to mitochondrial metabolism between these two states.

Suberin has two distinct domains: (1) phenolic (2) aliphatic. My data supports the phenolic domain being made first. Today we will explore the dynamics of carbon sharing between suberin domains and the importance of the phenolic domain.

Freezing compromises mitochondrial function in insects, yet mitochondria are robust against ice formation in freeze-tolerant crickets. Here we describe the changes in mitochondrial morphology and function that occur with freeze tolerance acquisition and freezing.

Arabidopsis phenylpropanoids offer a large family of secondary metabolites with uncharacterized roles in plant-spider mite interactions. My goal is to determine how mites respond to phenylpropanoid exposure on a metabolic level.

Legumes fix nitrogen with the help of symbiotic rhizobia. Excess copper causes stress in plants and reduces nodulation. I hypothesize that copper-induced oxidative stress is a mechanism for the breakdown of legume-rhizobia symbiosis.

Irregularity of black widow cobwebs makes the task of locomotion complex for them. It's been hypothesized that they use their front legs as "feelers". I test this hypothesis by studying their leg movements during locomotion.

The work establishes a protocol for industrial manufacturing of the organic nano-bio liquid fertilizer from Chaga mushroom, defined by its size and optical analysis. Indicating potential for sustainable use for crop production.

Current workflow of terpen analysis is single, which can lead to missing some important terpenes of samples. I showed that more than one method is necessary to get more accurate and complete terpene profile of essential oils.

The advancement of lipidomics tools could act as a guide for decision making in assessing environmental stress response, the innovation of novel products, and validation of health benefits in improving skin and brain health.

Suberin is a polymer of phenolic and aliphatic domains deposited in the cell wall. Peroxidase genes polymerize polyphenolic domain. I will knockdown these genes in potato to understand their role in suberin assembly.

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