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72 results
  • Motile Bacteria at Oil-Water Interfaces: Pseudomonas Aeruginosa. [Journal Article]
    Langmuir 2020Deng J, Molaei M, … Stebe KJ
  • Bacteria are important examples of active or self-propelled colloids. Because of their directed motion, they accumulate near interfaces. There, they can become trapped and swim adjacent to the interface via hydrodynamic interactions, or they can adsorb directly and swim in an adhered state with complex trajectories that differ from those in bulk in both form and spatio-temporal implications. We h…
  • Vibrio Flagellar Synthesis. [Review]
    Front Cell Infect Microbiol 2019; 9:131Echazarreta MA, Klose KE
  • Vibrio spp. are highly motile Gram-negative bacteria, ubiquitously found in aquatic environments. Some Vibrios are responsible for disease and morbidity of marine invertebrates and humans, while others are studied for their symbiotic interactions. Vibrio spp. are motile due to synthesis of flagella that rotate and propel the bacteria. Many Vibrio spp. synthesize monotrichous polar flagella (e.g.,…
  • Sphingomonas lenta sp. nov., a slowly growing bacterium isolated from an abandoned lead-zinc mine. [Journal Article]
    Int J Syst Evol Microbiol 2019; 69(8):2214-2219Feng GD, Wang YH, … Zhu HH
  • A novel slowly growing member of the genus Sphingomonas, designated 1PNM-20T, was isolated from an abandoned lead-zinc mine in Meizhou, Guangdong Province, PR China. A polyphasic taxonomic study was performed to characterize the novel strain. Growth occurred on Reasoner's 2A (R2A) agar and peptone-yeast extract (PYE) agar, but not in liquid R2A or PYE media. Cells were Gram-stain-negative, aerobi…
  • Multiple CheY Homologs Control Swimming Reversals and Transient Pauses in Azospirillum brasilense. [Journal Article]
    Biophys J 2019; 116(8):1527-1537Mukherjee T, Elmas M, … Alexandre G
  • Chemotaxis, together with motility, helps bacteria foraging in their habitat. Motile bacteria exhibit a variety of motility patterns, often controlled by chemotaxis, to promote dispersal. Motility in many bacteria is powered by a bidirectional flagellar motor. The flagellar motor has been known to briefly pause during rotation because of incomplete reversals or stator detachment. Transient pauses…
  • Lysobacter helvus sp. nov. and Lysobacter xanthus sp. nov., isolated from Soil in South Korea. [Journal Article]
    Antonie Van Leeuwenhoek 2019; 112(8):1253-1262Kim I, Choi J, … Seo T
  • Two bacterial strains, designated D10T and U8T, were isolated from soil samples from the Dong-angyeong cave and Geommeolle wharf sea-coast, Udo-Island, Jeju, South Korea. Both novel bacterial strains are yellow-pigmented, Gram-stain negative, motile by means of monotrichous flagella, short rod shaped and strictly aerobic. A phylogenetic tree was reconstructed based on their 16S rRNA gene sequence…
  • Swimming Back and Forth Using Planar Flagellar Propulsion at Low Reynolds Numbers. [Journal Article]
    Adv Sci (Weinh) 2018; 5(2):1700461Khalil ISM, Tabak AF, … Sitti M
  • Peritrichously flagellated Escherichia coli swim back and forth by wrapping their flagella together in a helical bundle. However, other monotrichous bacteria cannot swim back and forth with a single flagellum and planar wave propagation. Quantifying this observation, a magnetically driven soft two-tailed microrobot capable of reversing its swimming direction without making a U-turn trajectory or …
  • A Critical Region in the FlaA Flagellin Facilitates Filament Formation of the Vibrio cholerae Flagellum. [Journal Article]
    J Bacteriol 2018; 200(15)Echazarreta MA, Kepple JL, … Klose KE
  • Vibrio cholerae is a Gram-negative bacterium with a monotrichous flagellum that causes the human disease cholera. Flagellum-mediated motility is an integral part of the bacterial life cycle inside the host and in the aquatic environment. The V. cholerae flagellar filament is composed of five flagellin subunits (FlaA, FlaB, FlaC, FlaD, and FlaE); however, only FlaA is necessary and sufficient for …
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