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Streptomyces lunalinharesii Strain 235 Shows the Potential to Inhibit Bacteria Involved in Biocorrosion Processes
المؤلفون المشاركون
Seldin, Lucy
Pacheco da Rosa, Juliana
Franco-Cirigliano, Marcella Novaes
Macrae, Andrew
Abreu, Fernanda
Lins, Ulysses
Soares, Rosângela M. A.
Korenblum, Elisa
Coelho, Rosalie Reed Rodrigues
المصدر
العدد
المجلد 2013، العدد 2013 (31 ديسمبر/كانون الأول 2013)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2013-01-28
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
Four actinomycete strains previously isolated from Brazilian soils were tested for their antimicrobial activity against Bacillus pumilus LF-4 and Desulfovibrio alaskensis NCIMB 13491, bacteria that are well known to be involved in biofilm formation and biocorrosion.
Strain 235, belonging to the species Streptomyces lunalinharesii, inhibited the growth of both bacteria.
The antimicrobial activity was seen over a wide range of pH, and after treatment with several chemicals and heat but not with proteinase K and trypsin.
The antimicrobial substances present in the concentrated supernatant from growth media were partially characterized by SDS-PAGE and extracellular polypeptides were seen.
Bands in the size range of 12 to 14.4 kDa caused antimicrobial activity.
Transmission electron microscopy of D.
alaskensis cells treated with the concentrated supernatant containing the antimicrobial substances revealed the formation of prominent bubbles, the spherical double-layered structures on the cell membrane, and the periplasmic space completely filled with electron-dense material.
This is the first report on the production of antimicrobial substances by actinomycetes against bacteria involved in biocorrosion processes, and these findings may be of great relevance as an alternative source of biocides to those currently employed in the petroleum industry.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Pacheco da Rosa, Juliana& Korenblum, Elisa& Franco-Cirigliano, Marcella Novaes& Abreu, Fernanda& Lins, Ulysses& Soares, Rosângela M. A.…[et al.]. 2013. Streptomyces lunalinharesii Strain 235 Shows the Potential to Inhibit Bacteria Involved in Biocorrosion Processes. BioMed Research International،Vol. 2013, no. 2013, pp.1-10.
https://search.emarefa.net/detail/BIM-1030353
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Pacheco da Rosa, Juliana…[et al.]. Streptomyces lunalinharesii Strain 235 Shows the Potential to Inhibit Bacteria Involved in Biocorrosion Processes. BioMed Research International No. 2013 (2013), pp.1-10.
https://search.emarefa.net/detail/BIM-1030353
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Pacheco da Rosa, Juliana& Korenblum, Elisa& Franco-Cirigliano, Marcella Novaes& Abreu, Fernanda& Lins, Ulysses& Soares, Rosângela M. A.…[et al.]. Streptomyces lunalinharesii Strain 235 Shows the Potential to Inhibit Bacteria Involved in Biocorrosion Processes. BioMed Research International. 2013. Vol. 2013, no. 2013, pp.1-10.
https://search.emarefa.net/detail/BIM-1030353
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1030353
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