Subscribe Now Subscribe Today
Science Alert Home Journals at Science Alert For Authors For Subscribers Contact Us
   
Research Journal of Microbiology
  Year: 2010 | Volume: 5 | Issue: 1 | Page No.: 44-49
DOI: 10.3923/jm.2010.44.49
Isolation and Screening of Antibiotic Producing Psychrophilic Actinomycetes and its Nature from Rothang Hill Soil Against Viridans Streptococcus sp.
A. Raja, P. Prabakaran and P. Gajalakshmi

Abstract:
The objective of this study is to isolate and screen new antibiotic producing psychrophilic Actinomycetes and to find out their antimicrobial activity against Streptococcus by agar well diffusion method. The antibacterial activities of isolated actinomycetes were found against S. mutans and S. oralis. A total Six Actinomycetes were isolated from the soil sample through crowded plate technique were subjected to primary screening and identified as Intrasporangium sp., Dactyl sporangium sp., Micromonospora sp., Streptoverticilium sp. and two Streptomyces sp. The bacterial species were isolated from fifty of tooth samples which are collected from the dental hospital and identified as S. mutans and S.oralis. The identification of test pathogenic bacteria is confirmed by hemolytic activity on blood agar plates and biochemical tests. The test organism S. mutans is highly sensitive to Dactylsporangium sp. and the S. oralis sensitive to streptomyces. The Dactylsporangium sp. produce pertinacious substance which is responsible for antimicrobial activity. Other strains are producing non pertinacious substance. This is the first time we report that the species other than Streptomyces showed antibacterial activity against streptococcus associated with dental disease.
 [Fulltext PDF]   [Fulltext HTML]   [XML: Abstract + References]   [References]   [View Citation]  [Report Citation]
 RELATED ARTICLES:
  •    Distribution of Micromonospora Isolated from Sugar Cane in Thailand
  •    Microbiological Studies on the Production of Antimicrobial Agent by Actinomycete Isolated from Saudi Arabia
  •    Male Infertility in Bangladesh: What Serve Better-Pharmacological Help or Awareness Programme?
  •    Antioxidant and Prebiotic Potential of Some Cucurbits
  •    Inhibitory Effects of Endophytic Streptomyces sp. ST8 on the Growth, Adherence and Glucosyltransferase of Streptococcus mutans
  •    First Report of Antibacterial Properties of a New Strain of Streptomyces plicatus (Strain 101) Against Erwinia carotovora subsp. Carotovora from Iran
How to cite this article:

A. Raja, P. Prabakaran and P. Gajalakshmi, 2010. Isolation and Screening of Antibiotic Producing Psychrophilic Actinomycetes and its Nature from Rothang Hill Soil Against Viridans Streptococcus sp.. Research Journal of Microbiology, 5: 44-49.

DOI: 10.3923/jm.2010.44.49

URL: http://scialert.net/abstract/?doi=jm.2010.44.49

COMMENTS
18 September, 2013
Anoop Nedooli:
Raja sir, we r very happy to see ur paper. Congratz, at the same time best wishes for ur next project...
 
COMMENT ON THIS PAPER
.
 
 
 
 

 

 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 

                 home       |       journals        |       for authors       |       for subscribers       |       asci
          © Science Alert. All Rights Reserved