نتایج جستجو برای: bacillus turingenthsis
تعداد نتایج: 56256 فیلتر نتایج به سال:
We report the isolation, cloning and expression, in Bacillus subtilis, of the gene coding for thermolysin, a thermostable metalloprotease which is produced by Bacillus thermoproteolyticus Rokko. The nucleotide sequence has revealed that, like neutral proteases produced by other members of the Bacillus species, thermolysin is probably produced as a preproenzyme carrying a typical N-terminal memb...
آمیلازها (endo-1,4-alphaglucohydrolase, ec 3.2.1.1) قادرند پیوندهای گلیکوزیدی 4-1 ، α موجود در بخش درونی آمیلوز، آمیلوپکتین و سایر کربوهیدراتهای وابسته را هیدرولیز کنند. آلفا- آمیلازها از مهم ترین آنزیم های صنعتی بوده و کاربردهای فراوانی دارند. سویه های مختلف از نمونه های جمع آوری شده از ناحیه ای در رامسر که تشعشع رادیواکتیو بالایی دارد، جدا شد. یکی از آنها به نام bacillus sp. who مقاوم به پرتو...
We report here the isolation of DNA from abdominal tissue of four extinct stingless bees (Proplebeia dominicana) in Dominican amber, PCR amplification of a 546-bp fragment of the 16S rRNA gene from Bacillus spp., and their corresponding nucleotide sequences. These sequences were used in basic local alignment search tool searches of nonredundant nucleic acid data bases, and the highest scores we...
Genome features of the Bacillus cereus group genomes (representative strains of Bacillus cereus, Bacillus anthracis and Bacillus thuringiensis sub spp. israelensis) were analyzed and compared with the Bacillus subtilis genome. A core set of 1381 protein families among the four Bacillus genomes, with an additional set of 933 families common to the B. cereus group, was identified. Differences in ...
The current study was attempted to isolate and characterize the protease producing Bacillus sp. Among the 3 strains isolated from soil sample collected from kuppam region, Chennai, India. One strain (PR01) exhibited potent proteolytic activity. Based on the morphological, biochemical and molecular characterization, the isolate (PR01) was identified as Bacillus sp. The strain was designated as B...
Bacillus is a diverse bacterial genus characterized by cells growing aerobically and forming dormant endospores. Although Bacillus species were some of the first bacteria ever characterized, their relationships to one another remain enigmatic. The recent deluge of environmental sequencing projects has further complicated our view of Bacillus taxonomy and diversity. In this review we discuss the...
Strain LBB3(T) isolated from Bogoria soda lake in Kenya is an alkaliphilic, Gram-positive, strictly aerobic, non-motile, spore-forming bacterium. It was identified as a member of the genus Bacillus on the basis of phenotypic and phylogenetic analyses. The organism grows optimally at 37 degrees C and pH 10. The G+C content of the genomic DNA is 37.5 mol%. 16S rRNA gene sequence analysis showed 9...
A number of Bacillus strains isolated from desert soil samples were shown to belong to a previously unidentified species, for which we propose the name Bacillus mojavensis. The type strain is RO-H-1 (= NRRL B-14698). On the basis of restriction digest data, B. mojavensis is most closely related to Bacillus amyloliquefaciens, Bacillus atrophaeus, and Bacillus subtilis. So far, B. mojavensis can ...
Besi merupakan unsur yang penting bagi proses metabolisme organisma seperti kitar asid trikarboksilik, pengangkutan elektron dan fosforilasi oksidatif. Walau bagaimanapun, sumber besi di persekitaran luar sentiasa berada dalam bentuk kompleks tidak tersedia untuk pengambilan terus. Bagi mengatasi pengehadan besi, mikroorganisma berupaya menghasilkan siderofor, sejenis pengkelat Fe(III) berafina...
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