31Oct 2015

Pigment production and growth metabolites amongst Nostoc strains of unexplored areas of Manipur, India falling under Indo-Burma biodiversity hotspots

  • National Repository for Cyanobacteria and Microgreen algae (Freshwater), Microbial Resources Division, Institute of Bioresources and Sustainable Development, Takyelpat, Imphal-795001, Manipur, India.
  • Department of Biotechnology, Gauhati University, Guwahati-781014, Assam, India.
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In the present investigation, nine (09) Nostoc strains were morphologically and molecularly characterized. These strains were also examined for production of pigments, total carbohydrates, total soluble proteins and nitrogenase activity under growth and culture conditions. Nostoc muscorum BTA27 yielded highest chlorophyll-a and total carotenoids followed by Nostoc parmelioides BTA29. Highest total soluble proteins was yielded by Nostoc carneum BTA38 which also had good amount of phycoerythrin and allophycocyanin, however, phycocyanin was found to be highest in Nostoc commune BTA67 along with comparable amount of acetylene reduction activity. The investigated strains were molecularly characterized using 16S rRNA and obtained NCBI GenBank accession numbers. The present finding depicted that there could be variation in production of pigments, metabolites and nitrogenase activity amongst the strains of same genera.

[Chungkham Silvia, Wangkhem Indira Devi, Gunapati Oinam, Oinam Avijeet Singh, Keithellakpam Ojit Singh, Thingujam Indrama, Aribam Subhalaxmi Sharma, Romi Khangembam, Angom Thadoi Devi, Longjam Miranda, Onkar Nath Tiwari, Mohan Chandra Kalita (2015); Pigment production and growth metabolites amongst Nostoc strains of unexplored areas of Manipur, India falling under Indo-Burma biodiversity hotspots Int. J. of Adv. Res. 3 (Oct). 1752-1761] (ISSN 2320-5407). www.journalijar.com

Chungkham Silvia

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