Isolation and Identification of Diatom from Urban lake water

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Published Sep 20, 2021
Manjunatha Reddy Smita Kavadikeri Sumathra Manokaran

Abstract

Diatoms are primary producers of freshwater. Many diatom species are classified based on their morphological characteristics only, because of their distinctive structure of frustules. Yet this approach requires core expectance taxonomic. The use of molecular analysis techniques in combination with morphological identification provides good aid to the taxonomical recognition of diatoms. The fresh water diatom were collected from urban lakes of Bangalore, Karnataka, India. Using Pasture pipette method, the Unialgal Culture was obtained. For fresh water diatom Chu#10medium with pH 7 incubated at 20°C was used. Morphological diversity of diatom species was observed under microscopy. DNA extracted and purified then subjected to 28S rRNA sequencing with primer. PhyML is used for phylogenetic relationships of these strains to 28S rRNA gene sequences. The results of 28S rRNA sequence base pairs with adjacent sequence of the species determined under the order of Bacillariales and found that 99% Nitzschia palea and 98% Navicula cryptocephala.

How to Cite

Reddy, M., Kavadikeri, S., & Manokaran, S. (2021). Isolation and Identification of Diatom from Urban lake water. SPAST Abstracts, 1(01). Retrieved from https://spast.org/techrep/article/view/1037
Abstract 170 |

Article Details

Keywords

Diatoms, rRNA, phylogenetic tree, taxonomy, sequence

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Section
ES: Environmental Sciences

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