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Interactions entre les bacteries et les algues dans une culture continue de phytoplancton naturel soumise aux conditions exterieures ArchiMer
Gauthier, M; Martin, Y; Lelong, P; Breittmayer, V.
During an experimental continuous culture of natural marine phytoplankton in environmental conditions, microbial and biochemical tests performed to study production of antibacterial and antialgal substances by unicellular algae. Some parameters were further monitored to characterize bacteria and phytoplankton growth. The presence of inhibitors of algal origin was studied both in the water and in the algal biomass at different phases of the culture, through bioassays performed with bacteria (marine pseudomonads and vibrios, and telluric strains) and several algal strains. Interpretation of the results is difficult. Two successive phases appeared during the growth of phytoplankton, with two different algal populations. The unsteady population of phase I was...
Tipo: Text Palavras-chave: Bacteria; Algae; Microbiological culture; Heterotrophic organisms; Aerobic bacteria; Phytoplankton culture; Sea water; Ecological associations.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/acte-984.pdf
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Normal microbiota of the perialveolar region of incisors of rats Arq. Bras. Med. Vet. Zootec.
Araújo,F.R.G.; Castro,C.M.M.B.; Severo,M.S.; Diniz,M.F.A.; Viana,M.T.; Evêncio,L.B..
Identificou-se a microbiota normal da região peri-alveolar de incisivos em 72 ratos Wistar, com 70-90 dias de idade e 280-330g de peso. As bactérias foram coletadas com suabes embebidos em solução salina. Do material depositado em tubo contendo 460µl de Brain Heart Infusion e diluído em 1:10, retirou-se 1µl para semeadura em placas de Petri. O crescimento médio foi 1,4x10(6) ± 2,6x10(5)UFC/ml. Segundo a ordem das freqüências, as bactérias encontradas foram: Bacillus sp., Staphylococcus aureus, Streptococcus viridans, Corynebacterium sp., Staphylococcus coagulase negativa, Enterococcus sp., Staphylococcus saprophyticcus, Escherichia coli, Klebsiella oxytoca, Klebsiella pneumoniae e Serratia liquefaciens. De todas as bactérias isoladas, as Gram-positivas e...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rat; Microbiota; Aerobic bacteria; Perialveolar region; Alveoliti.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352007000600037
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The evaluation of bacteriology in perianal abscesses of 81 adult patients BJID
Ulug,Mehmet; Gedik,Ercan; Girgin,Sadullah; Celen,Mustafa Kemal; Ayaz,Celal.
OBJECTIVE: Treatment of perianal abscesses requires prompt surgical drainage and antimicrobial therapy. However, we should encourage the selective use of antimicrobial agents on a case-by-case basis, especially because there is no evidence that uncomplicated perianal abscesses can be safely treated only with drainage. For this reason, it is important to identify the causative organisms; therefore, we accessed the microbiological analysis of these patients. PATIENTS AND METHODS: In this study, 81 consecutive adult patients with perianal abscesses, who presented at a university hospital in Diyarbakir from January 2004 to December 2006, were included. Clinical and laboratory data, and results of microbiological analysis were recorded. RESULTS: All specimens,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Perianal abscess; Adult; Bacteriology; Aerobic bacteria; Treatment.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702010000300005
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