Search Results - "Howell, L P"

Pseudomonas aeruginosa Uses c-di-GMP Phosphodiesterases RmcA and MorA To Regulate Biofilm Maintenance by Katharios-Lanwermeyer, S, Whitfield, G B, Howell, P L, O'Toole, G A

“…While the early stages of biofilm formation have been well characterized, less is known about the requirements for to maintain a mature biofilm. We utilized a…”
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Characterization of the PilN, PilO and PilP type IVa pilus subcomplex by Tammam, S., Sampaleanu, L. M., Koo, J., Sundaram, P., Ayers, M., Andrew Chong, P., Forman‐Kay, J. D., Burrows, L. L., Howell, P. L.

“…Summary Type IVa pili are bacterial nanomachines required for colonization of surfaces, but little is known about the organization of proteins in this system…”
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Synthase-dependent exopolysaccharide secretion in Gram-negative bacteria by Whitney, J.C, Howell, P.L

“…The biosynthesis and export of bacterial cell-surface polysaccharides is known to occur through several distinct mechanisms. Recent advances in the…”
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Natural history of cervical squamous intraepithelial lesions: a meta-analysis by Melnikow, Joy, Nuovo, James, Willan, Andrew R., Chan, Benjamin K.S., Howell, Lydia P.

“…Objective: To define the strengths and weaknesses of existing research on the natural history of cervical squamous intraepithelial lesions (SIL) and to…”
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PilM/N/O/P Proteins Form an Inner Membrane Complex That Affects the Stability of the Pseudomonas aeruginosa Type IV Pilus Secretin by Ayers, M., Sampaleanu, L.M., Tammam, S., Koo, J., Harvey, H., Howell, P.L., Burrows, L.L.

“…The highly conserved pilM/N/O/P/Q gene cluster is among the core set of genes required for cell surface expression of type IV pili and associated twitching…”
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Intragenic complementation and the structure and function of argininosuccinate lyase by Yu, B, Howell, P. L

“…Argininosuccinate lyase (ASL) catalyzes the reversible hydrolysis of argininosuccinate to arginine and fumarate, a reaction important for the detoxification of…”
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Conserved, unstructured regions in Pseudomonas aeruginosa PilO are important for type IVa pilus function by Leighton, T. L., Mok, M. C., Junop, M. S., Howell, P. L., Burrows, L. L.

“…Pseudomonas aeruginosa uses long, thin fibres called type IV pili (T4P) for adherence to surfaces, biofilm formation, and twitching motility. A conserved…”
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Structure of E. coli 5′-methylthioadenosine/S-adenosylhomocysteine Nucleosidase Reveals Similarity to the Purine Nucleoside Phosphorylases by Lee, Jeffrey E., Cornell, Kenneth A., Riscoe, Michael K., Howell, P.Lynne

“…Background: 5′-methylthioadenosine/S-adenosyl-homocysteine (MTA/AdoHcy) nucleosidase catalyzes the irreversible cleavage of 5′-methylthioadenosine and…”
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Periplasmic Domains of Pseudomonas aeruginosa PilN and PilO Form a Stable Heterodimeric Complex by Sampaleanu, L.M., Bonanno, J.B., Ayers, M., Koo, J., Tammam, S., Burley, S.K., Almo, S.C., Burrows, L.L., Howell, P.L.

“…Type IV pili (T4P) are bacterial virulence factors responsible for attachment to surfaces and for twitching motility, a motion that involves a succession of…”
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Three-Dimensional Structure of the Argininosuccinate Lyase Frequently Complementing Allele Q286R by Sampaleanu, Liliana M, Vallée, François, Thompson, Gawen D, Howell, P. Lynne

“…Argininosuccinate lyase (ASL) catalyzes the reversible breakdown of argininosuccinate to arginine and fumarate, a reaction involved in the biosynthesis of…”
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Multicenter masked evaluation of AutoCyte PREP thin layers with matched conventional smears including initial biopsy results by BISHOP, J. W, BIGNER, S. H, COLGAN, T. J, HUSAIN, M, HOWELL, L. P, MCINTOSH, K. M, TAYLOR, D. A, SADEGHI, M. H

“…To compare the performance of liquid-based cell preparations from the AutoCyte PREP system (AutoCyte, Inc., Elon College, North Carolina) with the conventional…”
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Mechanisms for Intragenic Complementation at the Human Argininosuccinate Lyase Locus by Yu, Bomina, Thompson, Gawen D, Yip, Patrick, Howell, P. Lynne, Davidson, Alan R

“…Argininosuccinate lyase (ASL) is a homotetrameric enzyme that catalyzes the reversible cleavage of argininosuccinate to arginine and fumarate. Deficiencies in…”
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Application of the Scarff-Bloom-Richardson tumor grading system to fine-needle aspirates of the breast by Howell, L P, Gandour-Edwards, R, O'Sullivan, D

“…Assigning a tumor grade to breast cancers provides important prognostic information. This study evaluated the applicability of the Scarff-Bloom-Richardson…”
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Relationship of p53 and bcl-2 to prognosis in muscle-invasive transitional cell carcinoma of the bladder by Glick, S H, Howell, L P, White, R W

“…We examined the presence of the p53 and Bcl-2 oncoproteins, as detected by immunohistochemistry, in muscle-invasive bladder cancer and correlated this with…”
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Equivocal diagnoses in breast aspiration biopsy cytology: Sources of uncertainty and the role of "atypical/indeterminate" terminology by Howell, Lydia Pleotis

“…In 1996, a National Cancer Institute committee recommended four categories as uniform terminology for breast fine‐needle aspirations (FNAs): benign, malignant,…”
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Three new adenosine deaminase mutations that define a splicing enhancer and cause severe and partial phenotypes: implications for evolution of a CpG hotspot and expression of a transduced ADA cDNA by Santisteban, I, Arredondo-Vega, F X, Kelly, S, Loubser, M, Meydan, N, Roifman, C, Howell, P L, Bowen, T, Weinberg, K I, Schroeder, M L

“…We report three novel adenosine deaminase (ADA) mutations with interesting implications. A Somali child with severe combined immunodeficiency disease (SCID)…”
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Fine-needle aspiration cytology of sarcoma: Retrospective review of diagnostic utility and specificity by Costa, Michael J., Campman, Steven C., Davis, Robin L., Howell, Lydia Pleotis

“…Fine‐needle aspiration cytology (FNA) is useful because of its low cost, quick turn around time, and low incidence of complications. This study investigates…”
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Structural basis for catalysis and inhibition of N-glycan processing class I alpha 1,2-mannosidases by Vallee, F, Karaveg, K, Herscovics, A, Moremen, K W, Howell, P L

“…Endoplasmic reticulum (ER) class I alpha1,2-mannosidase (also known as ER alpha-mannosidase I) is a critical enzyme in the maturation of N-linked…”
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The AutoCyte Preparation System for Gynecologic Cytology by Howell, Lydia P., Davis, Robin L., Belk, Timothy I., Agdigos, Rolando, Lowe, Jesse

“…To determine if thin-layer processing of cervicovaginal samples improves detection of cytologic abnormalities by reducing problems related to direct smear…”
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Number, size, and composition of cell clusters as related to breast FNA adequacy by Eckert, Robin, Howell, Lydia P.

“…The question of what types of parameters should be employed in establishing adequacy guidelines for fine‐needle aspirations (FNAs) of palpable breast lesions…”
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