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  • organisms
  • Based on 16S ribosomal RNA phylogenetic studies of the late microbiologist Carl Woese and collaborators and colleagues at the University of Illinois, the monophyly of the Gram-positive bacteria was challenged, with major implications for the therapeutic and general study of these organisms. (wikipedia.org)
  • This chapter consists of short notes, diagrams, and tables to summarize Gram-positive organisms that are significant causes of disease in the tropics and subtropics. (oxfordmedicine.com)
  • This communication alters gene expression and allows bacteria to mount coordinated responses to their environments, in a manner that is comparable to behavior and signaling in higher organisms. (wikipedia.org)
  • Thiostrepton has been used in veterinary medicine in mastitis caused by gram-negative organisms and in dermatologic disorders. (wikipedia.org)
  • LY 146032 showed promise in phase I/II clinical trials for treatment of infection caused by Gram-positive organisms. (wikipedia.org)
  • PROTEIN
  • The three-dimensional structures of histidine-containing phosphocarrier protein (HPr), a member of the phosphoenolpyruvate:sugar phosphotransferase system (PTS), have been determined from Gram-negative and Gram-positive bacteria. (rcsb.org)
  • In most bacteria, the SRP consists of an RNA molecule (4.5S) and the Ffh protein (a homologue of the eukaryotic SRP54 protein). (wikipedia.org)
  • In the case of S. aureus protein A, immunoglobulins are captured on the microbial surface and camouflage bacteria during the invasion of host tissues. (wikipedia.org)
  • primarily
  • Historically, the kingdom Monera was divided into four divisions based primarily on Gram staining: Firmicutes (positive in staining), Gracilicutes (negative in staining), Mollicutes (neutral in staining) and Mendocutes (variable in staining). (wikipedia.org)
  • Primarily produced by Gram-negative bacteria, acylated homoserine lactones (AHLs) are a class of small neutral lipid molecules composed of a homoserine lactone ring with an acyl chain. (wikipedia.org)
  • viral
  • That is not to say that atypical pneumonia is strictly caused by atypical bacteria, for this disease can also have a fungal, protozoan or viral cause. (wikipedia.org)
  • lipid
  • They also have lower lipid content compared to those of the gram-negative bacteria . (biology-online.org)
  • However, although Gram staining response is an empirical criterion, its basis lies in the marked differences in the ultrastructure and chemical composition of the bacterial cell wall, marked by the absence or presence of an outer lipid membrane. (wikipedia.org)
  • flora
  • It is used for swabs which are likely to have a mixed Gram positive and Gram negative flora, such as ears, burns, ulcers, and for the sputa of patients with cystic fibrosis. (bmj.com)
  • molecule
  • The free-living bioluminescent marine bacterium, Vibrio harveyi, uses another signaling molecule in addition to an acylated homoserine lactone. (wikipedia.org)
  • activity
  • Researchers at the Institute for Molecular Bioscience (IMB) at The University of Queensland (UQ) have initiated a research program to resurrect the antibiotic fruilimicin B that displays broad spectrum activity against a variety of gram positive bacteria. (uniquest.com.au)
  • CLASS
  • One important and well studied class of bacteriocins is the class IIa or pediocin-like bacteriocins produced by lactic acid bacteria. (wikipedia.org)