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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here
ICV 2022: 95.28
Index Copernicus ICI Journals Master List 2022 - IJCMAS--ICV 2022: 95.28
For more details click here
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Original Research Articles                      Volume : 7, Issue:7, July, 2018
PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com /
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
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Int.J.Curr.Microbiol.App.Sci.2018.7(7): 3055-3064
DOI: https://doi.org/10.20546/ijcmas.2018.707.356


Influence of Low pH Stress on Growth, Specific Biochemical Parameters and Antioxidants amongst Selected Nostoc Strains
Himani Priya1*, Kumari Chanchala Priya2, Neeraj Kumar3, Ranjit Singh4 and Dolly Wattal Dhar1
1Centre for Conservation and Utilisation of Blue Green Algae, Division of Microbiology, ICAR-Indian Agricultural Research Institute, New Delhi-110012, India
2Division of Agricultural Engineering, ICAR-Indian Agricultural Research Institute, New Delhi-110012, India
3Department of Plant Breeding and Genetics, Dr RPCAU, Pusa, Bihar- 848125, India
4Processing and Product Development Division, ICAR-Indian Institute of Natural Resins and Gums, Namkum, Ranchi- 834010, India
*Corresponding author
Abstract:

The present study focused on the influence of low pH on growth, specific biochemical parameters and antioxidants amongst Nostoc strains grown under control (pH 7.0) and low pH (pH 4.5) medium. Cell dry weight, chlorophyll content, total soluble proteins and extracellular ammonia release reduced due to low pH stress of growing media compared to control grown cultures. Nitrogenase activity was reduced in two and increased in remaining strains due to low pH. Proline content increased whereas glycerol decreased in all low pH tolerant Nostoc strains whereas glycine betaine and lipid peroxidation depicted a variable response.


Keywords: Cyanobacteria, Nostoc, Chlorophyll, Biochemical attributes, Lipid peroxidation, Proline and low pH

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How to cite this article:

Himani Priya, Kumari Chanchala Priya, Neeraj Kumar, Ranjit Singh and Dolly Wattal Dhar. 2018. Influence of Low pH Stress on Growth, Specific Biochemical Parameters and Antioxidants amongst Selected Nostoc Strains.Int.J.Curr.Microbiol.App.Sci. 7(7): 3055-3064. doi: https://doi.org/10.20546/ijcmas.2018.707.356
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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