A5090883164- Plant Parasitism and Resistance
- Photosynthetic Processes and Mechanisms
- Plant-Microbe Interactions and Immunity
- Legume Nitrogen Fixing Symbiosis
- Ecology and Vegetation Dynamics Studies
- Plant and animal studies
- Plant Molecular Biology Research
- Protist diversity and phylogeny
- Plant Stress Responses and Tolerance
- Algal biology and biofuel production
- Plant Pathogenic Bacteria Studies
- Forest Insect Ecology and Management
Morton Arboretum
2022
University of Chicago
2017-2022
Louisiana State University
2014
Local interactions between individual plant organs and diverse microorganisms can lead to whole immunity via the mobilization of defense signals. One such signal is plastid lipid-derived oxylipin azelaic acid (AZA). Arabidopsis lacking AZI1 or EARLI1, related lipid transfer family proteins, exhibit reduced AZA transport among leaves cannot mount systemic immunity. has been detected in roots as well leaves. Therefore, present study addresses effects on plants application roots. but not...
In plants, cell surface pattern recognition receptors (PRRs) provide a first line of defense against pathogens. Although each PRR recognizes specific ligand, they share common signaling outputs, such as callose and other wall-based defenses. Several PRRs are also important for induction in response to the signal salicylic acid (SA). The extent which components needed outputs is not known. gain-of-function Arabidopsis mutant ACCELERATED CELL DEATH6 (ACD6) acd6-1 shows constitutive production...
Abstract Plant plastids generate signals, including some derived from lipids, that need to be mobilized effect signaling. We used informatics discover potential plastid membrane proteins involved in microbial responses Arabidopsis (Arabidopsis thaliana). Among these are co-regulated with the systemic immunity component AZELAIC ACID INDUCED 1, a hybrid proline-rich protein (HyPRP), and HyPRP superfamily members. HyPRPs have transmembrane domain, region (PRR), lipid transfer domain. The...
Societal Impact Statement Understanding the current state of trees within United States is imperative for protecting those species, their habitats, and countless communities they support, as well ecosystem services provide. We present an updated checklist all tree species native to contiguous States, distribution, extinction risk, most common threats. Knowledge national threat “hotspots” conservation priorities facilitates efficient efforts allocation resources safeguard 11–16% US that are...
The proper subcellular localization of defense factors is an important part the plant immune system. A key component for systemic resistance, lipid transfer protein (LTP)-like AZI1, needed movement priming signal azelaic acid (AZA) and a pool AZI1 exists at site AZA production, plastid envelope. Moreover, after defense-triggering infections, proportion localized to plastids increases. However, does not possess classical transit peptide that can explain its localization. Instead, uses...
Recognition of microbes and microbe‐associated molecular patterns by plant cell receptors induces signaling cascades that prime broad‐spectrum defense responses to suppress subsequent infections. Primed plants can activate stronger more quickly than unprimed when challenged pathogens other stresses. Systemic priming requires the long‐distance movement signals produced during initial exposure events. Distinct are induced depending on whether roots colonized specific commensal or if leaves...