Role of Nitrogen Source in the Development of Heterocyst

Role of Nitrogen Source in the Development of Heterocyst
Author(s):
Dr. Sujata Kumari
Keywords:
Potassium Nitrate, Sodium Nitrate, Ammonium Nitrate
Abstract
In the present study two local strains of Blue-green algae Nostoc linkia and Anabaena macrospora were selected to observe the effect of nitrogen sources on the development of Heterocyst. Heterocyst frequency was calculated on 7th day, 14th day and 21st day in Allen-Amon medium supplemented with potassium nitrate, sodium nitrate and Ammonium Nitrate. It was observed that Ammonium Nitrate totally inhibited development of heterocyst while very slow development of Heterocyst occurred in medium supplemented with Potassium Nitrate and Sodium Nitrate in comparison to absence of nitrogen source in medium.
Article Details
Unique Paper ID: 150347 Publication Volume & Issue: Volume 7, Issue 5 Page(s): 74 - 76
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