Search Results - "Ma, Amy"

Specificity of cobamide remodeling, uptake and utilization in Vibrio cholerae by Ma, Amy T., Tyrell, Breanna, Beld, Joris

“…Summary Cobamides are a group of compounds including vitamin B12 that can vary at the lower base position of the nucleotide loop. They are synthesized de novo…”
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Direct Cobamide Remodeling via Additional Function of Cobamide Biosynthesis Protein CobS from Vibrio cholerae by Ma, Amy T, Beld, Joris

“…Vitamin B belongs to a family of structurally diverse cofactors with over a dozen natural analogs, collectively referred to as cobamides. Most bacteria encode…”
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Regulation of gene expression in diverse cyanobacterial species by using theophylline-responsive riboswitches by Ma, Amy T, Schmidt, Calvin M, Golden, James W

“…Cyanobacteria are photosynthetic bacteria that are currently being developed as biological production platforms. They derive energy from light and carbon from…”
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In vivo actin cross-linking induced by Vibrio cholerae type VI secretion system is associated with intestinal inflammation by Ma, Amy T, Mekalanos, John J

“…Type VI secretion systems (T6SSs) have recently been recognized as potential virulence determinants of many Gram-negative bacterial pathogens. Although…”
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A dissected non-ribosomal peptide synthetase maintains activity by Platt, Amanda J, Padrick, Shae, Ma, Amy T, Beld, Joris

“…Non-ribosomal peptide synthetases (NRPSs) generate chemically complex compounds and their modular architecture suggests that changing their domain organization…”
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Type VI secretion system translocates a phage tail spike-like protein into target cells where it cross-links actin by Pukatzki, Stefan, Ma, Amy T, Revel, Andrew T, Sturtevant, Derek, Mekalanos, John J

“…Genes encoding type VI secretion systems (T6SS) are widely distributed in pathogenic Gram-negative bacterial species. In Vibrio cholerae, T6SS have been found…”
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Translocation of a Vibrio cholerae type VI secretion effector requires bacterial endocytosis by host cells by Ma, Amy T, McAuley, Steven, Pukatzki, Stefan, Mekalanos, John J

“…The type VI secretion system (T6SS) is a virulence mechanism common to several Gram-negative pathogens. In Vibrio cholerae, VgrG-1 is required for…”
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An Amoebal Grazer of Cyanobacteria Requires Cobalamin Produced by Heterotrophic Bacteria by Ma, Amy T, Beld, Joris, Brahamsha, Bianca

“…Amoebae are unicellular eukaryotes that consume microbial prey through phagocytosis, playing a role in shaping microbial food webs. Many amoebal species can be…”
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Persistent anxiety among high school students: Survey results from the second year of the COVID pandemic by Yin, Olivia, Parikka, Nadia, Ma, Amy, Kreniske, Philip, Mellins, Claude A

“…Introduction National mental health surveys have demonstrated increased stress and depressive symptoms among high-school students during the first year of the…”
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Microsporidian genome analysis reveals evolutionary strategies for obligate intracellular growth by Cuomo, Christina A, Desjardins, Christopher A, Bakowski, Malina A, Goldberg, Jonathan, Ma, Amy T, Becnel, James J, Didier, Elizabeth S, Fan, Lin, Heiman, David I, Levin, Joshua Z, Young, Sarah, Zeng, Qiandong, Troemel, Emily R

“…Microsporidia comprise a large phylum of obligate intracellular eukaryotes that are fungal-related parasites responsible for widespread disease, and here we…”
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Identification of a Conserved Bacterial Protein Secretion System in Vibrio cholerae Using the Dictyostelium Host Model System by Pukatzki, Stefan, Ma, Amy T., Sturtevant, Derek, Krastins, Bryan, Sarracino, David, Nelson, William C., Heidelberg, John F., Mekalanos, John J.

“…The bacterium Vibrio cholerae, like other human pathogens that reside in environmental reservoirs, survives predation by unicellular eukaryotes. Strains of the…”
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Persistent anxiety among high school students: Survey results from the second year of the COVID pandemic by Olivia Yin, Nadia Parikka, Amy Ma, Philip Kreniske, Claude A Mellins

“…IntroductionNational mental health surveys have demonstrated increased stress and depressive symptoms among high-school students during the first year of the…”
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Cobamide remodeling by Ma, Amy T, Kantner, Daniel S, Beld, Joris

“…Cobamides are a family of structurally-diverse cofactors which includes vitamin B and over a dozen natural analogs. Within the nucleotide loop structure,…”
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A commensal-encoded genotoxin drives restriction of Vibrio cholerae colonization and host gut microbiome remodeling by Chen, Jiandong, Byun, Hyuntae, Liu, Rui, Jung, I-Ji, Pu, Qinqin, Zhu, Clara Y, Tanchoco, Ethan, Alavi, Salma, Degnan, Patrick H, Ma, Amy T, Roggiani, Manuela, Beld, Joris, Goulian, Mark, Hsiao, Ansel, Zhu, Jun

“…SignificanceIn a polymicrobial battlefield where different species compete for nutrients and colonization niches, antimicrobial compounds are the sword and…”
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Escherichia coli Nissle 1917 secondary metabolism: aryl polyene biosynthesis and phosphopantetheinyl transferase crosstalk by Jones, Courtney V., Jarboe, Brianna G., Majer, Haley M., Ma, Amy T., Beld, Joris

“…Esc herichia col i Nissle 1917 (EcN) is a Gram-negative bacterium that is used to treat inflammatory bowel diseases. The probiotic character of EcN is not…”
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NOT Gate Genetic Circuits to Control Gene Expression in Cyanobacteria by Taton, Arnaud, Ma, Amy T, Ota, Mizuho, Golden, Susan S, Golden, James W

“…To downregulate gene expression in cyanobacteria, we constructed NOT gate genetic circuits using orthogonal promoters and their cognate repressors regulated…”
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Delivery room oxygen physiology and respiratory interventions for newborns with cyanotic congenital heart disease by Thomas, Alyssa R., Ma, Amy L., Weinberg, Danielle D., Huber, Matthew, Ades, Anne, Rychik, Jack, Foglia, Elizabeth E.

“…Objective To characterize pulse oxygen saturation (SpO 2 ) trajectories and respiratory interventions after birth for newborns with cyanotic congenital heart…”
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Isolation of diverse amoebal grazers of freshwater cyanobacteria for the development of model systems to study predator–prey interactions by Ma, Amy T., Daniels, Emy F., Gulizia, Nathaniel, Brahamsha, Bianca

“…A common method for large-scale production of algal crops is growth in outdoor open-air ponds. While this approach is more cost-effective, outdoor open-air…”
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Learning from Wildfire Disaster Experience in California NICUs by Ma, Amy L., Cohen, Ronald S., Lee, Henry C.

“…Wildfires have been affecting California greatly, and vulnerable patients in neonatal intensive care units (NICUs) are not exempt. Our aim was to learn how…”
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California and Oregon NICU Wildfire Disaster Preparedness Tools by Ma, Amy L., Loughland, Mackenzie E. D., Lapcharoensap, Wannasiri, Dukhovny, Dmitry, Lee, Henry C.

“…The 2020 wildfire season was devastating to the Western United States and affected the region’s NICUs. In this study, we ask the question, “what…”
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