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Articles 1 - 5 of 5
Full-Text Articles in Organisms
Fungal Endophytes In A Seed-Free Host: New Species That Demonstrate Unique Community Dynamics, Brett Steven Younginger
Fungal Endophytes In A Seed-Free Host: New Species That Demonstrate Unique Community Dynamics, Brett Steven Younginger
Dissertations and Theses
Fungal endophytes are highly diverse, cryptic plant endosymbionts that form asymptomatic infections within host tissue. They represent a large fraction of the millions of undescribed fungal taxa on our planet with some demonstrating mutualistic benefits to their hosts including herbivore and pathogen defense and abiotic stress tolerance. Other endophytes are latent saprotrophs or pathogens, awaiting host plant senescence to begin alternative stages of their life cycles. Most, however, are likely plant commensals with no observable benefits to their hosts while under study. Yet, when considering the context-dependence that may determine plant resistance to pathogen attack, the consortium of endophytes present …
A Time Course Study Of Rotavirus-Infected Intestinal Cells Treated With Stilbenoids And The Regulation Of Apoptosis, Rebecca D. Parr, Caleb M. Witcher, Rebekah Napier-Jameson, Hannah L. Wilson, Stormey Wisdom, Macie N. Mattila, Essence B. Strange, Josephine Taylor, Beatrice Clack, Fabricio Medina-Bolivar, Judith M. Ball
A Time Course Study Of Rotavirus-Infected Intestinal Cells Treated With Stilbenoids And The Regulation Of Apoptosis, Rebecca D. Parr, Caleb M. Witcher, Rebekah Napier-Jameson, Hannah L. Wilson, Stormey Wisdom, Macie N. Mattila, Essence B. Strange, Josephine Taylor, Beatrice Clack, Fabricio Medina-Bolivar, Judith M. Ball
Faculty Publications
This is a time course study of virus –host interactions that are modified with the addition of two small natural products. They appear to effect virus replication and the host response to the infection.
In Vivo Structures Of The Helicobacter Pylori Cag Type Iv Secretion System, Yi-Wei Chang, Carrie L. Shaffer, Lee A. Rettberg, Debnath Ghosal, Grant J. Jensen
In Vivo Structures Of The Helicobacter Pylori Cag Type Iv Secretion System, Yi-Wei Chang, Carrie L. Shaffer, Lee A. Rettberg, Debnath Ghosal, Grant J. Jensen
Veterinary Science Faculty Publications
The type IV secretion system (T4SS) is a versatile nanomachine that translocates diverse effector molecules between microbes and into eukaryotic cells. Here, using electron cryotomography, we reveal the molecular architecture of the Helicobacter pylori cag T4SS. Although most components are unique to H. pylori, the cag T4SS exhibits remarkable architectural similarity to other T4SSs. Our images revealed that, when H. pylori encounters host cells, the bacterium elaborates membranous tubes perforated by lateral ports. Sub-tomogram averaging of the cag T4SS machinery revealed periplasmic densities associated with the outer membrane, a central stalk, and peripheral wing-like densities. Additionally, we resolved pilus-like …
Characterization Of The Interaction Between R. Conorii And Human Host Vitronectin In Rickettsial Pathogenesis, Abigail Inez Fish
Characterization Of The Interaction Between R. Conorii And Human Host Vitronectin In Rickettsial Pathogenesis, Abigail Inez Fish
LSU Doctoral Dissertations
Spotted Fever Group Rickettsia are inoculated into the mammalian host during hematophagous arthropod feeding. Once in the bloodstream and during dissemination, the survival of these pathogens is dependent upon their ability to evade innate host defenses until a proper cellular target is reached. The establishment of a successful infection also relies on the ability of the bacteria to attach and invade target cells, as failure to do so results in destruction of the bacterium. Rickettsia conorii expresses an outer membrane protein, Adr1, which binds the multifunctional human glycoprotein, vitronectin, to promote resistance to complement mediated killing. Homologs of Adr1 are …
Mrub_1199 & Mrub_2272 Of Meiothermus Ruber Are Orthologous Genes To The B0262 Gene In Escherichia Coli While Mrub_1200, Mrub_1201, Mrub_2015 & Mrub_2271 Are Not Orthologous To The B0262 Gene Coding For The Iron (Fe3+) Abc Transport System, Kumail Hussain, Dr. Lori Scott
Mrub_1199 & Mrub_2272 Of Meiothermus Ruber Are Orthologous Genes To The B0262 Gene In Escherichia Coli While Mrub_1200, Mrub_1201, Mrub_2015 & Mrub_2271 Are Not Orthologous To The B0262 Gene Coding For The Iron (Fe3+) Abc Transport System, Kumail Hussain, Dr. Lori Scott
Meiothermus ruber Genome Analysis Project
In this project we investigated the biological function of the genes Mrub_1199, Mrub_1200, Mrub_1201, Mrub_2015, Mrub_2271 and Mrub_2272 (KEGG map number 02010). We predict these genes encode components of an Iron (Fe3+) ATP Binding Cassette (ABC) transporter: 1) Mrub_1199 (DNA coordinates [1211595-1212572] on the reverse strand) encodes the permease component (aka transmembrane domain); and 2) Mrub_1200 (DNA coordinates [1212612-1214093] on the reverse strand) encodes the ATP-binding domain (aka nucleotide binding domain); and 3) Mrub_1201 (DNA coordinates [1214347-1215309] on the reverse strand) encodes the substrate binding protein (aka the periplasmic component); and Mrub_2015 ( DNA coordinates [2053963-2054949] on the reverse strand) …