Browsing by Author "PrabhaDevi"
Now showing items 21-40 of 44
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Fermentation products of solvent tolerant marine bacterium Moraxella spp. MB1 and its biotechnological applications in salicylic acid bioconversion
Wahidullah, S.; Naik, D.N.; PrabhaDevi (Public Library of Science, 2013)As part of a proactive approach to environmental protection, emerging issues with potential impact on the environment is the subject of ongoing investigation. One emerging area of environmental research concerns pharmaceuticals ... -
Fucoxanthin and pheophytin-a from the marine algae Sargassum cinereum: Isolation, characterization and their feeding deterrent activity on Shrimps
Praveen, P.; Banerjee, K.; Singh, K.S.; PrabhaDevi; Paramesawaran, P.S. (Indian Chemical Society, 2019)Chemical investigation of the brown alga Sargassum cinereum collected from Goa coast, India led to the isolation of two bioactive pigments viz. pheophytin-a and fucoxanthin in a relatively good concentration. These pigments ... -
Functional characterization of anti-cancer sphingolipids from the marine crab Dromia dehanni
RethnaPriya, E.; Ravichandran, S.; Gobinath, T.; Tilvi, S.; PrabhaDevi (Elsevier Ireland Ltd, 2019)Sphingolipids have been considered for many years only as structural components of membranes. It is now acknowledged that they are also involved in controlling cellular processes such as proliferation.The present work was ... -
Fungal metabolites: Tetrahydroauroglaucin and isodihydroauroglaucin from the marine fungus,iEurotium sp.
Gawas, D.; PrabhaDevi; Tilvi, S.; Naik, C.G.; Parameswaran, P.S. (Allied Publishers; New Delhi (India), 2002)Two poly substituted aromatic compounds: tetrahydroauroglaucin 1 and isodihydroauroglaucin 2 were identified from a marine fungus, Eurotium sp. isolated from leaves of the mangrove, Porteresia coarctata (Roxb). These ... -
Fungicidal compounds from a marine Ascidian-associated fungus Trichoderma harzianum
PrabhaDevi; Ciavatta, M.L.; Wahidullah, S.; Vuppala, S.; DeSouza, L. (Discovery Publication, 2013)A marine Ascidian-associated fungus, Trichoderma harzianum, (NIO/BCC2000-51) was assessed for its in vitro antagonistic activity against ten fungal phytopathogens and three food-infesting fungi. Fractionation of the cell-free ... -
Half-sandwich iridium(III) and rhodium(III) complexes: Synthesis, characterization and antifouling properties
Singh, K.S.; PrabhaDevi; Gaonkar, R.R.; Kaminsky, W. (Taylor & Francis, 2023)The reaction of [(η5-C5Me5)MCl2]2 [M = Ir (1) or Rh (2)] with thiazole ligands (L) at room temperature [L = atz; 2-acetamidothiazole (3) or catz; 5-chloro-2-acetamidothiazole (4)] afforded iridium(III) and rhodium(III) ... -
Harmful algal blooms
Bhat, S.R.; PrabhaDevi; DeSouza, L.; Verlecar, X.N.; Naik, C.G. (TERI Press, India, 2006)Phytoplankton or micro-algae play a vital role as primary producers in all aquatic habitats, but when their population overwhelms other forms of aquatic life, an environmental and economic impact is likely. Very prominent ... -
Identification and functional characterization of antimicrobial peptide from the marine crab Dromia dehaani
Anbuchezian, R.; Ravichandran, S.; Rajan, K.D.; Tilivi, S.; PrabhaDevi (Academic Press, 2018)Many naturally occurring biologically active compounds are derived from marine organisms. Brachyuran crab Dromia dehaani is also known as sponge crab. Hence, this study was undertaken to isolate and characterize the ... -
Isolation and characterization of antibacterial compound from a mangrove-endophytic fungus, Penicillium chrysogenum MTCC 5108
PrabhaDevi; Rodrigues, C.; Naik, C.G.; DeSouza, L. (Association of Microbiologists of India, 2012)Microorganisms, especially endophytic fungi that reside in the tissue of living mangrove plants, seem to play a major role in meeting the general demand for new biologically active substances. During the course of screening ... -
Kahalalide F analogues from the mucous secretion of Indian sacoglossan mollusc Elysia ornata
Ciavatta, M.L.; PrabhaDevi; Carbone, M.; Mathieu, V.; Kiss, R.; Casapullo, A.; Gavagnin, M. (Elsevier, 2016)Bioassay-guided fractionation of the CHCl<sub>3</sub>/MeOH extract of Elysia ornata mucus showing antifungal activity led us to isolate kahalalide F(KF) along with two unprecedented related peptides. The structures of ... -
Large-scale bioprospecting of cyanobacteria, micro- and macroalgae from the Aegean Sea
Montalvao, S.; Demirel, Z.; PrabhaDevi; Lombardi, V.; Hongisto, V.; Perala, M.; Hattara, J.; Imamoglu, E.; Tilvi, S.; Turan, G.; Dalay, M.C.; Tammela, P. (Elsevier, 2016)Marine organisms constitute approximately one-half of the total global biodiversity, being rich reservoirs of structurally diverse biofunctional components. The potential of cyanobacteria, micro- and macroalgae as sources ... -
Larvicidal activity of some marine macrophytes against Artemia salina
PrabhaDevi; Wahidullah, S.; DeSouza, L.; Kamat, S.Y. (Society of Biosciences, 1998)Petroleum ether (PE) and chloroform (C) soluble fractions of methanolic extracts of nine different macrophytes viz. mangroves (Derris heptaphyla, Salvadora persica, Sonneratia caseolaris and Clerodendrum inerme), seaweeds ... -
Novel Conopeptides of Largely Unexplored Indo Pacific Conus sp.
Lebbe, E.; Ghequire, M.; Peigneur, S.; Mille, B.; PrabhaDevi; Ravichandran, S.; Waelkens, E.; DeSouza, L.; DeMot, R.; Tytgat, J. (MDPI AG, Switzerland, 2016)Cone snails are predatory creatures using venom as a weapon for prey capture and defense. Since this venom is neurotoxic, the venom gland is considered as an enormous collection of pharmacologically interesting compounds ... -
Quick elucidation of cyclodepsipeptide sequence from sacoglossan Elysia grandifolia using electrospray ionisation-tandem mass spectrometry
Tilvi, S.; PrabhaDevi; Majik, M.S. (Sage Publications, 2017)Butanol fraction of sacoglossan Elysia grandifolia was investigated for identifying peptides using electrospray ionisation-tandem mass spectrometry (ESI-MS/MS). Without prior isolation, the structural determination is ... -
Ruthenium(II)-catalyzed synthesis of 2-arylbenzimidazole and 2-arylbenzothiazole in water
Singh, K.S.; Joy, F.; PrabhaDevi (Springer, 2021)Benzimidazoles/benzothiazoles are heterocyclic compounds which contain a five membered heteroatom and a benzene ring. They constitute a crucial structural unit of numerous bioactive compounds and natural products. Since ... -
Screening marine organisms for antimicrobial activity against clinical pathogens
PrabhaDevi; Wahidullah, S.; Tonima, K.; DeSouza, L. (NISCAIR (CSIR), 2011)Bacterial resistance to existing antibiotics has led to the search for new therapeutic agents. With this aim, we have evaluated antimicrobial activity of extracts prepared from forty species of marine organisms belonging ... -
Screening of some marine plants for activity against marine fouling bacteria
PrabhaDevi; Solimabi; DeSouza, L.; Sonak, S.; Kamat, S.Y.; Singbal, S.Y.S. (Walter de Gruyter, Berlin, 1997) -
Stigmasterol from Eichhornia crassipes (water hyacinth) : Isolation, characterization and X-ray structure
Singh, K.S.; Sawant, S.G.; PrabhaDevi; Kaminsky, W. (Asian Publication Corporation, 2015)Chemical investigation of Eichhornia crassipes (water hyacinth) collected from the back waters of Kochin, southern India lead to isolation of an oxygenated sterol, stigmasterol (1). The molecular formula of 1 was determined ... -
Structure-Function Elucidation of a New ?-Conotoxin, MilIA, from Conus milneedwardsi
Peigneur, S.; PrabhaDevi; Seldeslachts, A.; Ravichandran, S.; Quinton, L.; Tytgat, J. (2019)The a-Conotoxins are peptide toxins that are found in the venom of marine cone snails and they are potent antagonists of various subtypes of nicotinic acetylcholine receptors (nAChRs). Because nAChRs have an important role ... -
Structure-function elucidation of a new alpha-Conotoxin, Lo1a, from Conus longurionis.
Lebbe, E.K.M.; Peigneur, S.; Maiti, M.; PrabhaDevi; Ravichandran, S.; Lescrinier, E.; Ulens, C.; Waelkens, E.; DeSouza, L.; Herdewijn, P.; Tytgat, J. (American Society for Biochemistry and Molecular Biology, 2014)Alpha-Conotoxins are peptide toxins found in the venom of marine cone snails and potent antagonists of various subtypes of nicotinic acetylcholine receptors (nAChRs). nAChRs are cholinergic receptors forming ligand-gated ...