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Chapter
Progress and Prospects of Ergot Alkaloid Research
Ergot alkaloids, produced by the plant parasitic fungi Claviceps purpurea are important pharmaceuticals. The chemistry, biosynthesis, bioconversions, physiological controls, and biochemistry have been extensively...
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Article
Production and Purification of a Bioactive Substance Inhibiting Multiple Drug Resistant Bacteria and Human Leukemia Cells from a Salt-Tolerant Marine Actinobacterium sp. Isolated from the Bay of Bengal
Four marine actinobacteria tolerant to 200 g NaCl l−1 were screened for antibacterial activity against eight patient-derived multiple drug resistant (MDR) bacteria. The active compound (MW 300.2, predicted molecu...
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Article
Enhanced Production of Antimicrobial Compounds by Three Salt-Tolerant Actinobacterial Strains Isolated from the Sundarbans in a Niche-Mimic Bioreactor
A novel reactor system, the rotating disk bioreactor (RDBR), was used to mimic the niche environmental conditions of three salt-tolerant estuarine actinobacteria isolated from the Sundarbans region off the Bay...
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Article
Distribution of actinomycetes, their antagonistic behaviour and the physico-chemical characteristics of the world’s largest tidal mangrove forest
We examined the relationship between distribution of actinomycetes and antagonistic behaviour with the physico-chemical characteristics of the Sundarbans, off the Bay of Bengal, India. Soil/sediment samples we...
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Article
Antibiotic production by a marine isolate (MS 310) in an ultra-low-speed rotating disk bioreactor
Actinomycin-D production by a biofilm-forming estuarine isolate viz Streptomyces sp. MS 310 is studied in small-scale shaken cultures, as well as in a 25 L rotating disk bioreactor, (RDBR) which, when operated at...
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Article
Production of a potentially novel antimicrobial compound by a biofilm-forming marine Streptomyces sp. in a niche-mimic rotating disk bioreactor
After initial small-scale experiments, a 25.0 l rotating disk bioreactor (RDBR) was investigated for the cultivation of a biofilm-forming salt-tolerant Streptomyces sp. MS1/7, producing an antimicrobial compound....
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Article
Isolation of an unusual metabolite 2-allyloxyphenol from a marine actinobacterium, its biological activities and applications
A marine actinobacterium isolated from the Bay of Bengal, India and previously found to be producing an antimicrobial and cytotoxic terpenoid was further investigated for antimicrobial metabolites. The bacteri...
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Article
Adaptive immune responses during Shigella dysenteriae type 1 infection: an in vitro stimulation with 57 kDa major antigenic OMP in the presence of anti-CD3 antibody
An effort was made to understand the role of the 57 kDa major antigenic fraction of Shigella outer membrane protein (OMP) in the presence of T-cell antigen receptor in activation of adaptive immune responses of t...
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Article
Selective Deletion of CD8+ Cells Upregulated by Caspases-1 via IL-18 in Mice Immunized with Major Outer Membrane Protein of Shigella dysenteriae 1 Following Infection
Mucosal lymphoid changes were observed in cryopreserved rectal tissues obtained from BALB/c mice infected with Shigella dysenteriae 1, immunized with 57-kDa major antigenic outer membrane protein, and infection a...
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Article
In Vitro Cytotoxicity of Amylose-Based Bioplastic for Packaging Applications
Amylose containing polysaccharides are one of the most abundant and inexpensive naturally occurring biopolymers. Therefore, they are one of the most promising candidates to produce substitute plastics, especia...
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Chapter and Conference Paper
Minimum Width Rectangular Annulus
In this paper, we identify a minimum width rectangular annulus that encloses a given set of n points in a plane. We propose an O(n 2 logn) time and O(n) space algorithm for this problem. To the be...
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Article
A novel conico-cylindrical flask aids easy identification of critical process parameters for cultivation of marine bacteria
A polymethylmethacrylate (PMMA) conico-cylindrical flask (CCF) with an inner arrangement consisting of eight equidistantly spaced rectangular strips mounted radially on a circular disk to provide additional su...
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Article
Phylogeny, phenotypic and nutritional characteristics of estuarine soil actinomycetes having broad-spectrum antimicrobial activity derived from an ecologically guided bioprospecting programme
No investigation has been done to identify ecological factors selecting for broad-spectrum antimicrobial activity of actinomycetes in the estuaries. Previously, we established that, in the Sundarbans (the world’s...
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Article
Nitrogen Fixation in Asaia sp. (Family Acetobacteraceae)
The genus Asaia (family Acetobacteraceae) was first introduced with a single species—Asaia bogorensis and later six more species were described namely A. siamensis, A. krungthepensis, A. lannaensis, A. platycodi,...
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Article
Cellulase and xylanase activity in relation to biofilm formation by two intertidal filamentous fungi in a novel polymethylmethacrylate conico-cylindrical flask
A polymethylmethacrylate (PMMA) conico-cylindrical flask (CCF) with an inner arrangement consisting of eight equidistantly spaced rectangular strips mounted radially on a circular disk to provide additional su...
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Article
Utilization of vinasse for the production of polyhydroxybutyrate by Haloarcula marismortui
Vinasse, a recalcitrant waste of the ethanol industry was employed for the production of polyhydroxyalkanoate (PHA) by the extremely halophilic archaeon, Haloarcula marismortui in shake flasks. The PHA was recove...
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Article
A Temperature and Salt-Tolerant l-Glutaminase from Gangotri Region of Uttarakhand Himalaya: Enzyme Purification and Characterization
Purification and characterization of halotolerant, thermostable alkaline l-glutaminase from a Bacillus sp. LKG-01 (MTCC 10401), isolated from Gangotri region of Uttarakhand Himalaya, is being reported in this pap...
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Article
Induced Biofilm Cultivation Enhances Riboflavin Production by an Intertidally Derived Candida famata
The aim of the investigation was to ascertain if surface attachment of Candida famata and aeration enhanced riboflavin production. A newly designed polymethylmethacrylate (PMMA) conico-cylindrical flask (CCF) hol...
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Article
Heterotrophic nitrification by Achromobacter xylosoxidans S18 isolated from a small-scale slaughterhouse wastewater
Heterotrophic carbon utilizing microbes were acclimatized in the laboratory by inoculating sludge collected from the waste discharge pond of a small-scale rural abattoir in India in a nutrient solution intermi...
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Article
Open AccessUtilization of vinasse for production of poly-3-(hydroxybutyrate-co-hydroxyvalerate) by Haloferax mediterranei
Vinasse, a highly polluting waste of the ethanol industry was utilized for the production of polyhydroxyalkanoate (PHA) by the extremely halophilic archaeon, Haloferax mediterranei in shake-flasks. Following pre-...
