Identification of Vibrio splendidus as a member of the planktonic luminous bacteria from the Persian Gulf and Kuwait region with luxA probes

Article Abstract:

Hybridization probes specific for the luxA genes of four groups of luminous bacteria used to screen luminous isolates got from the Persian Gulf near Kuwait showed that nine of these were identified as Vibrio harveyi, Vibrio fischeri, Photobacterium phosphoreum or Photobacterium leiognathi under high-stringency. A probe prepared against the type strain of Vibrio splendidus examined against the collection of luminous bacterial DNA preparations and against the Kuwait isolates, hybridized only against the type strain and the three unidentified Kuwait isolates. Taxonomic analysis by standard methods confirmed the identification of the 13 isolates.

Usage, Plankton research, Vibrio

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Quantum dots as strain- and metabolism-specific microbiological labels

Article Abstract:

Research discusses the growth promoting effects of quantum dots-transferrin conjugates. These conjugated quantum dots facilitate Staphylococcus aureus growth in iron-deprved conditions. Also, CdSe quantum dot conjugates can be used for labeling microorganisms.

United States, Methods, Measurement, Physiological aspects, Bacterial growth, Fluorescence, Microbiological chemistry, Metabolic conjugation

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Identification of a small tetraheme cytochrome c and a flavocytochrome c as two of the principal soluble cytochromes c in Shewanella oneidensis strain MR1

Article Abstract:

Researchers describe two cytochromes in Shewanella oneidensis strain MR1. This bacterium is the object of intense research because it can reduce and dissolve insoluble metal oxides. For this reason, it could be used in bioremediation.

Microbial enzymes, Cytochromes

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