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Výskyt rezistencie na tazké kovy u bachorových stafylokokov.
Resistance to heavy metals in ruminal staphylococci

Lauková, A

Veterinarni medicina, 1994, Vol.39(7), pp.389-95 [Tạp chí có phản biện]

ISSN: 0375-8427 ; PMID: 8073587 Version:1

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  • Výskyt rezistencie na tazké kovy u bachorových stafylokokov.

  • Nhan đề:
    Resistance to heavy metals in ruminal staphylococci
  • Tác giả: Lauková, A
  • Chủ đề: Metals -- Pharmacology ; Rumen -- Microbiology ; Sheep -- Microbiology ; Staphylococcus -- Drug Effects
  • Là 1 phần của: Veterinarni medicina, 1994, Vol.39(7), pp.389-95
  • Mô tả: Ruminal, coagulase-negative, urease and bacteriocin-like substances producing staphylococci were screened for their heavy metal ions and antibiotics resistance. All strains tested were resistant to disodium arsenate at a minimal inhibition concentration (MIC > 5 g/l) and cadmium sulphate (MIC > 4 g/l). MIC = 50-60 mg/l was determined in eight staphylococci screened in mercury chloride resistance test (Tab. I). Silver nitrate resistance was detected in seven of the bacteria used (MIC = 40-50 mg/l). All strains were novobiocin resistant. Staphylococcus cohnii subsp. urealyticum SCU 40 was found as a strain with resistance to all heavy metal ions and 5 antibiotics (Tab. II). In addition, this strain produced bacteriocin-like substance which inhibited growth of six indicators of different origin (Tab. II). The most of staphylococci were detected as heavy metal ion polyresistant strains and antibiotic polyresistant strains producing antimicrobial substances with inhibition effects against at least one indicator of different origin. These results represent the first information on heavy metal ion resistance in ruminal bacteria. They also show relation or coresistance between heavy metal ions and antibiotics. Resulting from this study, staphylococci can be used as a bioindicator model for animal environmental studies. In addition, it can be used for specific interactions studies within the framework of ruminal bacterial ecosystem and also mainly with regard to molecular genetic studies.
  • Ngôn ngữ: Slovak
  • Số nhận dạng: ISSN: 0375-8427 ; PMID: 8073587 Version:1

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