Scientific Journal of Microbiology

Scientific Journal of Microbiology

Basic info

  • Publisher: Sjournals
  • Country of publisher: iran, islamic republic of
  • Platform/Host/Aggregator: Sjournals
  • Date added to EuroPub: 2017/Feb/20

Subject and more

  • LCC Subject Category: Genetics, Immunology, Microbiology, Molecular Biology,
  • Publisher's keywords: Microbiology, Molecular, Genetics
  • Language of fulltext: english
  • Full-text formats available: PDF

Publication charges

  • Article Processing Charges (APCs): Yes 100 EUR
  • Submission Charges: No
  • Waiver policy for charges? Yes

Editorial information

Open access & licensing

  • Type of License: Other
  • License terms
  • Open Access Statement: Yes
  • Year open access content began: 2012
  • Does the author retain unrestricted copyright? True
  • Does the author retain publishing rights? True

Best practice polices

  • Permanent article identifier: DOI
  • Content digitally archived in: LOCKSS
  • Deposit policy registered in: None

This journal has '81' articles

y: 2016 n: 3

Authors: Jannathul Firdous*| Pre-Clinical Department, Faculty of Medicine, Universiti Kuala Lumpur Royal College of Medicine Perak, No.3, Jalan Greentown, 3045...

Several microorganisms have been isolated from various plant sources which serve to improve the plant growth. Such plant associated endophytes protect their host against environmental stress, increase the tolerance against pathogens and induce growth by nitrogen fixation, through phosphate solubilization and also by producing growth hormone like substances. The present study was to elucidate the role of selected nine Endophytic Bacterial Isolates in plant growth promotion. These selected endophytic bacterial isolates were screened for their plant growth promoting activities like phosphate solubilization, nitrogen fixation, ammonia production, and protease, cellulase activity. Out of nine endophytic bacterial isolates, five of them showed positive results for all biochemical activities. The step by step isolation of endophytic bacteria with the features of auxin activity and growth promoting activity can makes a better formulation for maximum yield of crop plants.

Keywords: Auxin production, Ammonia production, Nitrogen fixation, Phosphate solubilization, Plant growth promoting activity

y: 2015 n: 3

Authors: Sara Thabet*| Bacteriology Laboratory, Veterinary Research Institute of Tunisia, Institute for Scientific Agricultural Research, 20 rue Jabal Lakhdhar...

Transposition of IS6110, the Mycobacterium tuberculosis Complex specific insertion sequence, is mediated by the complex open reading frame AB (orfAB) transframe protein or transposase. Transposase has the crucial role to ensure IS6110 transposition process. A single transposase proteine can control the integration of many IS6110 copies at the same time. In this work we investigated the dynamic and the evolutionary trends of IS6110 transposase coding gene isolated from various hosts. We had subjected these sequences to several statistical tests combined with programming package analysis. Our findings showed that IS6110 transposase-encoding orfAB is subjected to purifying selection with low genetic variability rate, as demonstrated by its significantly negative Tajima’s D statistics as well as by LRT analysis and models comparison. Even some codons tended to be positively selected, global p-value didn’t reach reliable inference (ω > 1) of significant positive selection at these positions; so statistically they were not significant. In conclusion, our findings demonstrated that IS6110 transposase-encoding orfAB evolved essentially by point mutations under purifying selection acting against deleterious mutations, thus leading to an excess of low-frequency variants and purging disadvantageous non synonymous changes.

Keywords: IS6110 insertion, orfAB, Evolution, Selection pressure

y: 2016 n: 5

Authors: Rama Thakur*| Microbiology and biochemistry laboratory, SOS in life sciences, Pt. Ravishankar Shukla University, Raipur, 492001, Chhattisgarh, India.,...

The present study aims to characterize the 19 thermophilic Streptomyces isolates on the basis of their restriction profile obtained by Amplified Ribosomal DNA Restriction Analysis (ARDRA) method. Nineteen thermophilic Streptomyces isolates, characterized and identified on the basis of cultural, morphological, physiological and biochemical characteristics using PIB Win (Probabilistic identification of Bacteria) software, have been further characterized by Amplified Ribosomal DNA Restriction Analysis method. DNA of all the 19 selected isolates and two reference Streptomyces cultures of MTCC (S. phaeochromogenes (MTCC 2614) and S. thermovulgaris (MTCC 1822) were isolated and the 16S rRNA gene was amplified using primer F1 (5'-AGAGTTTGATCITGGCTCAG-3’; I= inosine) and primer R5 (5'-ACGGITACCTTGTTACGACTT-3'). Two restriction endonuclease enzymes i.e. Eco R I and Hae III were used for restriction digestion. The 16S rDNA were amplified by PCR using specific primers and the amplified product were cleaved separately by both endonucleases, yielding 4 to 5 bands by Hae III and 2 to 3 bands by Eco R I. Digestion with two endonucleases indicate that Hae III enzyme is better than Eco R I for differentiating Streptomyces isolates.

Keywords: Streptomyces, PIB Win, Hae III, Eco R I, ARDRA

y: 2016 n: 7

Authors: Fatemeh Ghafarneghad Mogadam*| Department of Microbiology, Urmia Branch, Islamic Azad University, Urmia, Iran., Reza Talebe| Department of Microbiolog...

The purpose of this study was to determine the prevalence of Erythromycin and Chloramphenicol resistant/sensitivity of Agrobacterium vitis that isolated from environmental samples in Iran vineyards. From May to June 2014, 20 samples isolated from Vineyards of five grape cultures from west of Iran. After identification of Agrobacterium vitis by biochemical, microbiological and molecular methods, antibiotic susceptibility testing was performed by Kirby-Bauer disk diffusion test for these antibiotics. The lowest and highest resistance was seen for Chloramphenicol (n=1) and Erythromycin(n=10). The results showed that the frequency of Erythromycin resistance is very high in Agrobacterium vitis strains isolated from vineyards that had crown Gall in west of Iran. Thus, urgent interventions are needed to keep the emergence and transmission of these isolates to a minimum. The lowest resistance on Chloramphenicol in Agrobacterium vitis strains showed that we can use it for urgent occasions.

Keywords: Agrobacterium vitis, Erythromycin, Chloramphenicol, Iran

y: 2016 n: 9

Authors: Garba Saleh*| Department of Agricultural Education, Federal College of Education (Tech) Bichi, P.M.B., 3473, Kano State Nigeria., Halliru Sanusi| Depa...

The study was conducted to find out the haematological and biochemistry response of broiler finisher birds fed different levels of sweet potato meal (SPM). The levels of sweet potato meal in the different treatment diets were 0, 25, 50, 75%, respectively. The increase in PCV, HGB, and RBC contents of the blood of birds fed the experimental diets indicated an improved oxygen carrying capacity of the cells, which translated to a better availability of nutrients to the birds consequently affecting their well-being. SPM caused reduction in the levels of serum cholesterol, a very positive observation especially now that people are very conscious of reducing cholesterol content of animal protein and some people rejecting red meat. All haematological parameters assessed only reveal minor statistical (P>0.05) differences, falling within the ranges stated in literature for broiler birds. It is concluded that sweet potato root meal can replace maize meal in the diet of broilers which may be compensated by the lower cost of the sweet potato meal. The substitution also did not have any deleterious effect on haematological and serum biochemistry and by extension, the health status of the birds.

Keywords: Sweet potato meal, Broilers, Haematological, Serum biochemistry
Communication potency among education Institutions: The Case of India

Communication potency among education Institutions: The Case of India y: 2017 n: 11

Authors: Dr. Anchal Mishra

The idea of communication is incredibly laborious to outline, its quality spawning disceptation and interpretation solely by taking a really shut look into the phenomenon could we tend to be ready to unravel its real meanings. Thus, this paper attempts to address the same goal through: analysis of current state of affairs of communication among education (case of India), and identification of possible ways that to extend communication potency one more necessity this paper is aimed toward is that, want of modification among education.

Keywords: Communication, Education, Efficiency, education establishments

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