L. Uma

Publications44
h-index19
Citations1,024
Highly Influential Citations53
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Comparative analysis of cyanobacterial superoxide dismutases to discriminate canonical forms
BackgroundSuperoxide dismutases (SOD) are ubiquitous metalloenzymes that catalyze the disproportion of superoxide to peroxide and molecular oxygen through alternate oxidation and reduction of their… Expand
Degradation and metabolization of the pigment-melanoidin in distillery effluent by the marine cyanobacterium Oscillatoria boryana BDU 92181
Abstract Melanoidin decolorization/degradation has not so far been attempted with cyanobacteria. In this study, we report the ability of a marine filamentous, non-heterocystous form Oscillatoria… Expand
Nitrogen stress induced changes in the marine cyanobacterium Oscillatoria willei BDU 130511.
Exclusion of combined nitrogen (NaNO3) from the growth medium caused certain changes in metabolic processes leading to cessation in growth of the non-heterocystous, non nitrogen-fixing marine… Expand
Siderophore mediated uranium sequestration by marine cyanobacterium Synechococcus elongatus BDU 130911.
Four different marine cyanobacterial morphotypes were tested for their efficacy to produce siderophores in Fe minus [Fe(-)], Fe minus Uranium dosed [Fe(-)U(+)], and Fe dosed Uranium dosed [Fe(-)U(+)]… Expand
Ligninolytic and antioxidative enzymes of a marine cyanobacterium Oscillatoria willei BDU 130511 during Poly R-478 decolourization.
Removal of combined nitrogen and addition of Poly R-478 to the growth medium enhanced oxidative stress, and altered the activities of ligninolytic enzymes of Oscillatoria willei BDU 130511. The… Expand
An Improved Method for Marine Cyanobacterial DNA Isolation
SummaryThe method of Bolch, Blackburn, Jones, Orr & Grewe [Phycologia, 36, 6 11, 1997] developed for isolation of DNA from freshwater cyanobacteria was suitably modified to yield a simple, efficient… Expand
Molecular characterization of marine Cyanobacteria from the Indian subcontinent deduced from sequence analysis of the phycocyanin operon (cpcb-IGS-cpcA) and 16S-23S ITS region.
Molecular characterization of ten marine cyanobacterial isolates belonging to the order Oscillatoriales was carried out using the phycocyanin locus (cpcBA-IGS) and the 16S-23S internally transcribed… Expand
Phenol degradation by the marine cyanobacterium Phormidium valderianum BDU 30501
Bioremediation is a cost-effective alternative to conventional disposal methods and is a new technology which emphasizes the detoxification and destruction of the pollutants by acclimatized… Expand
Biosorption of toxic metal ions by alkali-extracted biomass of a marine cyanobacterium, Phormidium valderianum BDU 30501
Alkali-extracted biomass of Phormidium valderianum BDU 30501, a marine filamentous, non-heterocystous cyanobacterium adsorbed more than 90% of cadmium ions from solutions containing 0.1–40 mM.… Expand
Ability to use the diazo dye, C.I. Acid Black 1 as a nitrogen source by the marine cyanobacterium Oscillatoria curviceps BDU92191.
Ten different strains of marine cyanobacteria were tested for their ability to decolourise and degrade a recalcitrant diazo dye, C.I. Acid Black 1. Of them, Oscillatoria curvicepsBDU92191 was able to… Expand
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