JEMI Volume 15

JEMI
Volume 15
Fall 2010 / Winter 2011

Physiology and Metabolism

Effect of Chitosan on the Growth and Murein Hydrolase Activity of Streptococcus mutans with Mutations in the cid and lrg Two Component Autolytic Regulatory System.
Martina Feldmann, Robby Puttock, Bei Wang and Keely Wu
J. Exp. Microbiol. Immunol. Vol. 15: 1-6

Chitosan Disrupts Membrane Permeability of Lactic Acid Bacteria
Cindy Pan, Homa Rezaei, and Amandeep Soor
J. Exp. Microbiol. Immunol. Vol. 15: 7-14

The Effect of Sucrose-induced Osmotic Stress on the Intracellular Level of cAMP in Escherichia coli using Lac Operon as an Indicator
Yu Ling Cheng, Jiyoung Hwang, and Lantai Liu
J. Exp. Microbiol. Immunol. Vol. 15: 15-21

Salicylic Acid affects Swimming, Twitching and Swarming Motility in Pseudomonas aeruginosa, resulting in Decreased Biofilm Formation
Samuel Chow, Kevin Gu, Lucy Jiang, and Anthony Nassour
J. Exp. Microbiol. Immunol. Vol. 15: 22-29

Stringent Response Changes Cell Membrane Permeability in Escherichia coli but does not Develop Cross Tolerance to Kanamycin, Tetracycline and Ampicillin
Ashley Brooks, Jacky Yau and Steven Pham
J. Exp. Microbiol. Immunol. Vol. 15: 30-35

Increased Antibiotic Resistance Post-exposure to Sub-inhibitory Concentrations is Independent of Capsular Polysaccharide Production in Escherichia coli
Robyn Drayson, Trevor Leggat and Melissa Wood
J. Exp. Microbiol. Immunol. Vol. 15: 36-42

Persistence of Antibiotic Resistance and Capsule in E. coli B23 after Removal from Sublethal Kanamycin Treatment
Henry Liu, Mei Zhu and Shawn Zhu
J. Exp. Microbiol. Immunol. Vol. 15: 43-46

Capsular Polysaccharide has a Minor Role on Streptomycin-Induced Reduction of T7 Phage Adsorption to Escherichia coli
Edmund Gu, Dennis Nguyen, and Neel Shah
J. Exp. Microbiol. Immunol. Vol. 15: 47-51

Assessing the Role of SpoT and RelA in Capsular Polysaccharide Synthesis After Treatment with Sub-lethal Concentrations of Kanamycin to Confer Decreased Antibiotic Sensitivity in Escherichia coli
Wesley Chenne, Louisa Ng, and Mary Rose Pambid
J. Exp. Microbiol. Immunol. Vol. 15: 52-58

On the Limited Role of relA in kanamycin and Amino Acid Starvation Induced Stringency and Subsequent Antibiotic Cross-protection in Escherichia coli
Victor Chiang, Benjamin Wong, Calvin Wong and Jaemin Yu
J. Exp. Microbiol. Immunol. Vol. 15: 59-63

Biofilms and Environment

Physical Disruption and Antibiotic Treatment of Pseudomonas aeruginosa with Gentamicin and Ciprofloxacin Biofilms has no Effect on the Proportion of Rough Small Colony Variants
Cynthia Gunaratnam, Lara Robertson, Caroline So, and Maya Tong
J. Exp. Microbiol. Immunol. Vol. 15: 64-70

Role of Alginate in Gentamicin Antibiotic Susceptibility during the Early Stages of Pseudomonas aeruginosa PAO1 Biofilm Establishment
Erika Diaz, Hilary Haaf, Artemis Lai, and Jasmine Yadana
J. Exp. Microbiol. Immunol. Vol. 15: 71-78

Different Compositions of Biofilm Extracellular Polymeric Substance Reveals Contrasting Antibiotic Resistance Profiles in Pseudomonas aeruginosa
Emily Aitken, Amar Cheema, Stefanie Elliott, and Sharfaraz Khan
J. Exp. Microbiol. Immunol. Vol. 15: 79-83

Biofilm Formation of Pseudomonas aeruginosa PA14 required lasI and Stimulated by the Pseudomonas Quinolone Signal although Salicylic Acid Inhibition is Independent of the pqs Pathway
Mary Bacalso, Tony Xu, Kitty Yeung, and Denny Zheng
J. Exp. Microbiol. Immunol. Vol. 15: 84-89

Bacterial Plating is a Suitable Method for Determining the Effect of Alginate Lyase on Pseudomonas aeruginosa PAO1
Kelsey Marshall, Christine Nguyen, King Mong Tong, and Tracee Wee
J. Exp. Microbiol. Immunol. Vol. 15: 90-95

Sub-Inhibitory Kanamycin Changes Outer Membrane Porin Ratios in Escherichia coli B23 by Increasing the Level of OmpC
Wei-Chieh Hu, Rod MacDonald, Jean Oosthuizen, and Melanie van Soeren
J. Exp. Microbiol. Immunol. Vol. 15: 96-102

The Role of Catalase HPII Levels in Protection against UV-A Damage in a Catalase Knockout Escherichia coli Strain
Priya Makhijani
J. Exp. Microbiol. Immunol. Vol. 15: 103-107

Genetics and Molecular Biology

katE Complementation on katG Background has Negative or No Effect on the Ability to Protect against UV-A-Mediated Killing in Escherichia coli
Yeonjoon Lee
J. Exp. Microbiol. Immunol. Vol. 15: 108-110

Transcription of katG is Enhanced in Escherichia coli exposed to UV-A and might enhance cell survival.
Rebecca Gordon, Brett Livingstone and Victoria Pho
J. Exp. Microbiol. Immunol. Vol. 15: 111-116

Tetracycline modulates the valine induced stringent response and decreases expressed RpoS in Escherichia coli
Natasha Castillon, Krysta Coyle, June Lai, and Cindy Yang
J. Exp. Microbiol. Immunol. Vol. 15: 117-124

Dps Augments LexA Autocleavage after UV-C-Induced DNA Damage in Stationary Phase Escherichia coli
Alistair Chenery, Kyla Leung, Jarvis Li, and Alicia Parayno
J. Exp. Microbiol. Immunol. Vol. 15: 125-129

Genotyping Escherichia coli Isolates from Duck, Goose, and Gull Fecal Samples with Phylogenetic Markers using Multiplex Polymerase Chain Reaction for Application in Microbial Source Tracking
Cherry Lee
J. Exp. Microbiol. Immunol. Vol. 15: 130-135

Construction of pBAD-clones using the TOPO TA Cloning System
Karen Tong
J. Exp. Microbiol. Immunol. Vol. 15: 136-141

Troubleshooting the Single-step PCR Site-directed Mutagenesis Procedure intended to Create a Non-functional rop Gene in the pBR322 Plasmid
Lina Jew
J. Exp. Microbiol. Immunol. Vol. 15: 142-147