Theses and Dissertations

ORCID

https://orcid.org/0009-0002-8566-2232

Issuing Body

Mississippi State University

Advisor

Lu, Shien

Committee Member

Sabanadzovic, Sead

Committee Member

Ahn, Seung-Joon

Date of Degree

12-13-2024

Original embargo terms

Worldwide

Document Type

Graduate Thesis - Open Access

Major

Agricultural Life Sciences (Biochemistry)

Degree Name

Master of Science (M.S.)

College

College of Agriculture and Life Sciences

Department

Department of Agricultural Science and Plant Protection

Abstract

Strain WP18 was isolated from disease suppressive soil of a soybean rhizosphere in the Mississippi Delta. Phylogenetic analysis supported that strain WP18 could represent a novel species within the genus Pseudomonas. This conclusion is supported by genome-wide bioinformatic analyses such as average nucleotide identity and genome to genome distance calculations. Further studies are needed to claim a novel bacterial species, which include cell fatty profiles, fingerprinting analysis, and polar lipid analysis based on the International Code for Nomenclature of Prokaryotes. Strain WP18 showed a broad-spectrum of antimicrobial activity against plant pathogenic bacteria and fungi that are economically important in agriculture, especially Xanthomonas citri pv. malvacearum MSCT1 and Fusarium oxysporum f. sp. lycopersici ATCC 16322. The research findings of strain WP18 have provided insights into its potential use as a biocontrol agent in plant disease management.

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