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1

Fourier analysis on locally convex spaces of distributions, II

100%

Sinha R. P. , Mohammed A. N.

Demonstratio Mathematica

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2003

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tom Vol. 36, nr 4

899--913

EN

This is the second in a series of papers, extending the theory of Fourier analysis to locally convex spaces of distributions (LCD-spaces). In this paper, LCD-spaces admitting conjugation and multiplier operators on LCD-spaces are discussed. It is also shown that if E is an LCD-space having C∞ as a dense subset, then E*, endowed with the topology of precompact convergence, is an LCD-space having C∞ as a dense subset.

2

Fourier analysis on locally convex spaces of distributions, I

100%

Sinha R. P. , Mohammed A. N.

Demonstratio Mathematica

|

2003

|

tom Vol. 36, nr 3

697--709

EN

In this series of papers, many results of Fourier analysis which are known for Lp (1 < p < oo) , C (the space of continuous functions) and other Banach spaces of functions have been generalized to locally convex spaces of distributions. Also, in this paper, the (C, 1)-complementary space E' of a locally convex space of distributions E is defined and it is shown that E' , as a subspace of E* with strong* topology, is a locally convex space of distributions.

3

N2-fixing rice-field cyanobacterial mutant resistant against uracil herbicide

80%

Vaishampayan A. , Sinha R. P. , Gupta A. K. , Hader D.-P.

International Journal of Ecohydrology and Hydrobiology

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2003

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tom 03

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nr 4

417-423

4

Photoheterotrophic growth unprecedentedly increases the biosynthesis of mycosporine-like amino acid shinorine in the cyanobacterium Anabaena sp., isolated from hot springs of Rajgir (India)

80%

Singh S. P. , Ha S. , Sinha R. P. , Hader D. P.

Acta Physiologiae Plantarum

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2014

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tom 36

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nr 02

EN

Cyanobacteria are known to biosynthesize mycosporine-like amino acids (MAAs) as photoprotective compounds against ultraviolet radiation. Anabaena sp., isolated from the hot springs of Rajgir, India, produces a single MAA shinorine (retention time = 2.2 min and absorption maximum at 334 nm) as purified by high-performance liquid chromatography. The MAA biosynthesis was under constitutive control in this cyanobacterium; however, PAR + UV-A + UV-B radiation was found to have highest impact on MAA synthesis. MAA biosynthesis is dependent on photosynthesis for the carbon source since the inhibitory effect of DCMU on MAA synthesis was overcome by externally added fructose. Our results suggest that there is no direct involvement of photosystem II dependent linear electron transport in MAA biosynthesis. However, utilization of energy derived from photosystem I dependent cyclic electron transport in MAA biosynthesis cannot be ruled out. This study also reveals that photoheterotrophic growth can support highest MAA biosynthesis under laboratory conditions in comparison with photoautotrophic and photomixotrophic growth. Thus, photoheterotrophic growth condition can be used for the large-scale production of pharmaceutically important MAAs from cyanobacteria for an industrial application.

5

Successful rice cultivation with genetically manipulated thermo-tolerant Azolla as a bio-N fertilizer

80%

Vaishampayan A. , Dey T. , Sinha R. P. , Hader D. P.

Acta Hydrobiologica

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1998

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tom 40

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nr 3

6

Effects of ultraviolet, monochromatic and PAR waveband on nitrate reductase activity and pigmentation in a rice field cyanobacterium, Anabaena sp.

80%

Sinha R. P. , Krywult M. , Hader D. P.

Acta Hydrobiologica

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1998

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tom 40

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nr 2

7

Biochemical and spectroscopic changes in phycobiliproteins of the cyanobacterium, Aulosira fertilissima, induced by UV-B radiation

80%

Banerjee M. , Sinha R. P. , Hader D. P.

Acta Protozoologica

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1998

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tom 37

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nr 3

8

A simple and efficient method for the quantitative analysis of thymine dimers in cyanobacteria, phytoplankton and macroalgae

80%

Sinha R. P. , Dautz M. , Hader D. P.

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tom 40

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nr 3

9

Effects of UV-B irradiation on growth, survival, pigmentation and nitrogen metabolism enzymes in cyanobacteria

80%

Sinha R. P. , Kumar H. D. , Kumar A. , Hader D. P.

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tom 34

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nr 3

10

Role of lipids and fatty acids in stress tolerance in cyanobacteria

80%

Singh S. C. , Sinha R. P. , Hader D. P.

Acta Protozoologica

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2002

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tom 41

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nr 4

11

Biochemical and spectroscopic characterization of the cyanobacterium Lyngbya sp. inhabiting mango [Mangifera indica] trees: presence of an ultraviolet-absorbing pigment, scytonemin

80%

Sinha R. P. , Klisch M. , Vaishampayan A. , Hader D. P.

Acta Protozoologica

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1999

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tom 38

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nr 4

12

UV-B radiation and temperature stress-induced alterations in metabolic events and defense mechanisms in a bloom-forming cyanobacterium Microcystis aeruginosa

61%

Babele P. K. , Singh B. , Singh A. , Kumar A. , Tyagi M. B. , Sinha R. P.

Acta Physiologiae Plantarum

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2017

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tom 39

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nr 11