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Full-Text Articles in Genetics and Genomics
Comparative Genome Analysis Of Fungal Antagonists Marinomonas Ostreistagni 398 And M. Spartinae 468., Jessie L. Fields
Comparative Genome Analysis Of Fungal Antagonists Marinomonas Ostreistagni 398 And M. Spartinae 468., Jessie L. Fields
Honors Theses
Under certain conditions, the Spartina alterniflora and Juncus roemerianus grasses in marshes undergo progressive decline in an event known as Saltwater Marsh Dieback, which may be attributed to the presence of the plant pathogenic fungi Fusarium. The microbiomes of S. alterniflora and J. roemerianus from Deer Island, MS were characterized and Fusarium suppressing bacteria were identified. Among isolates capable of antagonizing Fusarium were Marinomonas ostreistagni 398 and M. spartinae 468. Despite the progress in understanding the diversity of Marinomonas, our ability to explain ecological, metabolic, and biochemical traits of marinomonads at the genomic sequence level remains limited. Analysis …
Human 5’-Tailed Mirtrons Are Processed By Rnasep, Mohammad Farid Zia
Human 5’-Tailed Mirtrons Are Processed By Rnasep, Mohammad Farid Zia
Dissertations
Approximately a thousand microRNAs (miRNAs) are documented from human cells. A third appear to transit non-canonical pathways that typically bypass processing by Drosha, the dedicated nuclear miRNA producing enzyme. The largest class of non-canonical miRNAs are mirtrons which eschew Drosha to mature through spliceosome activity. While mirtrons are found in several configurations, the vast majority of human mirtron species are 5’-tailed. For these mirtrons, a 3’ splice site defines the 3’ end of their hairpin precursor while a “tail” of variable length separates the 5’ base of the hairpin from the nearest splice site. How this tail is removed is …
The Diversity And Evolution Of Phenazine Biosynthesis Pathways In Enterobacterales, Christian Leise
The Diversity And Evolution Of Phenazine Biosynthesis Pathways In Enterobacterales, Christian Leise
Honors Theses
Enterobacterales is an order of Gram-negative bacteria that encompasses plant and animal pathogens and organisms of industrial importance. Some of these bacteria produce secondary metabolites classified as phenazines (Phz). Studies in other groups of microorganisms revealed that phenazines are redox-active and exhibit broad antibacterial, antifungal, and antiparasitic activity. Enterobacterales are known to produce phenazines, but details about the diversity, biochemistry, and function of phenazine metabolites in these organisms are missing. In this work, we screened the National Center for Biotechnology Information (NCBI) GenBank for genome sequences of phenazine-producing (Phz+) Enterobacterales. Additionally, genomes of Phz+ strains Pectobacterium carotovorum cc303 and …