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Diversity of Cyanobacteria in Biological Crusts on Arid Soils in the Eastern Region of India and their Molecular Phylogeny


Affiliations
1 Department of Biotechnology, Siksha-Bhavana, Visva-Bharati, Santiniketan 731 235, India
2 Institute of Chemical Technology, Prague-6, Czech Republic
3 Fakir Mohan University, Vyasa Vihar, Nuapadhi, Balasore 756 020, India
 

The biological crusts on lateritic soils, red soils and mine-waste burdened soils in the eastern region of India covering a transect of about 800 km were principally composed of sheathed cyanobacteria of the genera Scytonema, Tolypothrix and Lyngbya along with few other species of Cylindrospermum, Nostoc, Calothrix and Fischerella. Molecular phylogeny based on 16S rRNA gene sequence of these cyanobacteria along with those occurring in different habitats of four different continents formed a distinct clade, however, were clustered close to other filamentous cyanobacteria.

Keywords

Arid Soil, Biological Crusts, Cyanobacteria, Molecular Phylogeny, Morpho-Taxonomy.
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  • Diversity of Cyanobacteria in Biological Crusts on Arid Soils in the Eastern Region of India and their Molecular Phylogeny

Abstract Views: 328  |  PDF Views: 135

Authors

Dhanesh Kumar
Department of Biotechnology, Siksha-Bhavana, Visva-Bharati, Santiniketan 731 235, India
Petr Kastanek
Institute of Chemical Technology, Prague-6, Czech Republic
Siba P. Adhikary
Fakir Mohan University, Vyasa Vihar, Nuapadhi, Balasore 756 020, India

Abstract


The biological crusts on lateritic soils, red soils and mine-waste burdened soils in the eastern region of India covering a transect of about 800 km were principally composed of sheathed cyanobacteria of the genera Scytonema, Tolypothrix and Lyngbya along with few other species of Cylindrospermum, Nostoc, Calothrix and Fischerella. Molecular phylogeny based on 16S rRNA gene sequence of these cyanobacteria along with those occurring in different habitats of four different continents formed a distinct clade, however, were clustered close to other filamentous cyanobacteria.

Keywords


Arid Soil, Biological Crusts, Cyanobacteria, Molecular Phylogeny, Morpho-Taxonomy.



DOI: https://doi.org/10.18520/cs%2Fv110%2Fi10%2F1999-2004