کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5739730 | 1412116 | 2017 | 14 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Isolation and identification of culturable bacteria, capable of heterotrophic growth, from rapid sand filters of drinking water treatment plants
ترجمه فارسی عنوان
جداسازی و شناسایی باکتری های قابل کشت، قادر به رشد هتروتروف، از فیلترهای شن و ماسه سریع دستگاه های تصفیه آب آشامیدنی
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
ایمنی شناسی و میکروب شناسی
میکروبیولوژی و بیوتکنولوژی کاربردی
چکیده انگلیسی
The microbial community in sand filters (SFs) of drinking water treatment plants (DWTPs) likely contributes to SF functionalities, such as organic carbon removal through heterotrophic metabolism. However, the dynamics and functionality of the SF microbiome and microbial communities in oligotrophic freshwater environments in general, are poorly understood. Therefore, the availability of bacterial strains from these oligotrophic environments is of great interest, but such organisms are currently underrepresented in culture collections. Focusing on heterotrophic carbon metabolism, bacteria were isolated from SFs using conventional media and media that contained SF extracts to mimic the SF environment. The majority of isolates belonged to Betaproteobacteria, more specifically to the families Comamonadaceae (genera Acidovorax, Curvibacter, Hydrogenophaga, Simplicispira, Paucibacter, Pelomonas, Piscinibacter and Rhodoferax) and Oxalobacteraceae (Undibacterium). Additionally, members of Alphaproteobacteria (Mesorhizobium), Gammaproteobacteria (Aeromonas and Perlucidibaca) and Actinobacteria (Rhodococcus and Brachybacterium) were isolated. Several of those genera have only rarely been described, but appear typical inhabitants of oligotrophic freshwater environments. In this regard, the Comamonadaceae isolates are of particular interest. Our study shows that bacteria representative of oligotrophic environments can be isolated using simple isolation procedures. The isolates provide a microbial framework for extending our knowledge of the taxonomy, physiology and functionality of oligotrophic freshwater microbiomes and their interactions with possible invaders.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Research in Microbiology - Volume 168, Issue 6, JulyâAugust 2017, Pages 594-607
Journal: Research in Microbiology - Volume 168, Issue 6, JulyâAugust 2017, Pages 594-607
نویسندگان
Johanna Vandermaesen, Bart Lievens, Dirk Springael,