Robert Shields

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Assistant Professor

Arkansas State University

United States

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About

Robert Shields is an Assistant Professor at Arkansas State University, United States. His research encompasses the characterization of bacterial evolution within the oral microbiome, focusing on factors such as conjugative elements, horizontal gene transfer, and the production of bioactive compounds with antibacterial properties. Recent publications include studies on Streptococcus mutans and the development of CRISPRi libraries for essential gene function investigations.

Recent Grants

Grant: Close

Exploring Integrative Conjugative Elements in the Biology and Ecology of Oral Streptococci

Open Date: 2021-07-01

Close Date: 2023-06-30

Grant: Close

Assessing the Impact of Agr Quorum Sensing on Staphylococcus aureus Physiology in the Space Flight Environment

Open Date: 2021-02-08

Close Date: 2024-02-07

Grant: Close

Probing the Effect of Simulated Microgravity on the Pathogenic Potential of Cariogenic Streptococcus mutans

Open Date: 2018-07-26

Close Date: 2021-07-25

Articles (12)

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2025

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2025

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2025

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2025

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2024

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2024

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2024

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2024

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2023

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2022

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Arkansas State University

UNITED STATES

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Robert Shields

Research Interests

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Contact this professor

About

Recent Grants

Articles (12)

Characterization of MreCD in Streptococcus mutans

Bacterial evolution in the oral microbiome: the role of conjugative elements and horizontal gene transfer

Enhanced Production of Anti-Inflammatory and Antibacterial Prenylated Isoflavonoids in Pigeon Pea (Cajanus cajan) Hairy Root Cultures

Production of Malheuran A, a Geranylated Flavonoid with Antimicrobial and Anti-Inflammatory Activities, in Hairy Root Cultures of Dalea purpurea

Genomic analysis of conjugative and chromosomally integrated mobile genetic elements in oral streptococci

Construction of an arrayed CRISPRi library as a resource for essential gene function studies in Streptococcus mutans

MecA in Streptococcus mutans is a multi-functional protein

Effect of peanut stilbenoids, arachidin-1 and arachidin-3, on <i>Streptococcus mutans</i> growth and acid production.

Development and Antibacterial Properties of 4-[4-(Anilinomethyl)-3-phenylpyrazol-1-yl]benzoic Acid Derivatives as Fatty Acid Biosynthesis Inhibitors

Activation of TnSmu1, an integrative and conjugative element, by an ImmR-like transcriptional regulator in Streptococcus mutans

Repurposing the Streptococcus mutans CRISPR-Cas9 System to Understand Essential Gene Function

Peptides encoded in the Streptococcus mutans RcrRPQ operon are essential for thermotolerance

Collaborators (5)

Zezhang Tom Wen

Jessica Kajfasz

Hui wu

Lisa McLellan

Mohammad Alam

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