نتایج جستجو برای: sp acinetobacter
تعداد نتایج: 130020 فیلتر نتایج به سال:
کاربرد فراوان مواد نفتی در ایران سبب آلودگی بسیاری از زیستگاه‌ها به مواد نفتی شده است. زیست بهسازی و بهره‌گیری از باکتری‌ها در راستای کاهش آلودگیهای نفتی روشی کم هزینه و سازگار با محیط زیست میباشد. از اینرو، غربالگری باکتری‌های تجزیهکننده ترکیب‌های نفتی از نمونههای آلوده به نفت منطقه بوشهر در محیط کشت بدون کربن آلی انجام شد. در این پژوهش، 19 سویه باکتری گرم منفی به نام‌های PDB1-19 از نمو...
Ochratoxin A (OTA) is a nephrotoxic and potentially carcinogenic mycotoxin produced by several species of Aspergillus and Penicillium, contaminating grapes, wine and a variety of food products. We recently isolated from OTA contaminated soil vineyard a novel free-living strain of Acinetobacter sp. neg1, ITEM 17016, able to degrade OTA into the non-toxic catabolic product ochratoxin α. Biochemic...
Degradation of long-chain alkanes by Acinetobacter sp. strain ADP1 involves rubredoxin and rubredoxin reductase. We complemented a mutant deficient in alkane utilization and sequenced four open reading frames (ORFs) on the complementing DNA. Each of these ORFs was disrupted by insertional mutagenesis on the chromosome. As determined from sequence comparisons, ORF1 and ORF4 seem to encode a rota...
In the treatment of serious bacterial infections, the rapid institution of appropriate antimicrobial chemotherapy may be lifesaving. Choosing the correct antibiotic or combination of antibiotics is becoming very important, as multidrug resistance is found in many pathogens. Using a collection of 75 well-characterized multidrug-resistant (MDR) Acinetobacter sp. isolates, we show that PCR followe...
The objective of this study was to explore the extent of microbial conversion of lesquerolic acid (14hydroxy-cis-11-eicosenoic acid; LQA) by whole cell catalysis and to identify the newly converted products. Among compost isolates including NRRL strains B-23212 (Sphingobacterium multivorum), B-23213 (Acinetobacter sp.), B-23257 (Enterobacter cloacae B), B-23259 (Escherichia sp.) and B-23260 (Ps...
Strict planetary protection practices are implemented during spacecraft assembly to prevent inadvertent transfer of earth microorganisms to other planetary bodies. Therefore, spacecraft are assembled in cleanrooms, which undergo strict cleaning and decontamination procedures to reduce total microbial bioburden. We wanted to evaluate if these practices selectively favor survival and growth of ha...
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