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| Nandkumar Kamat; Shweta S. Saudagar. |
| Soil is considered the ultimate reservoir of all the microbiota and specifically the yeasts. However their association with different plant organs and at different developmental stages is not fully explored. Although about 1000 yeast species have been identified, exploration of various microhabitats such as plant storage organs, flowers, nectar, and tree sap is expected to yield a large number of novel species, including interesting endophytic yeasts(Carlos & Gabor, 2006). Angiosperms are considered the most diverse group of the plant kingdom comprising of about 250,000 species (Kenrick, 1999). As part of an exhaustive exploration of yeasts associated with angiosperm flowers, specific attention was paid to floral ovaries to detect the presence of... |
| Tipo: Poster |
Palavras-chave: Biotechnology; Chemistry; Ecology; Genetics & Genomics; Microbiology; Plant Biology; Evolutionary Biology. |
| Ano: 2011 |
URL: http://precedings.nature.com/documents/6268/version/1 |
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| Nandkumar Kamat; Sonashia Velho-Pereira. |
| New molecule discovery from natural sources, such as that of actinobacteria, has proved to be an interesting area in antibiotic research, as most of these antibiotics are difficult to synthesize. Out of 30 actinobacterial cultures screened for antimicrobial activity, 28 cultures were found to produce active products against various pathogenic microorganisms such as Gram-negative, Gram-positive bacteria and yeast, using a ‘modified cross streak method.' The modified method helped in easy quantification of results and also in ruling out probable mutual antibiosis. 53%, 13% and 10% of tested actinobacterial strains belonging to Streptomyces, Micromonospora and Actinomadura genera, respectively, showed the ability of producing antimicrobial... |
| Tipo: Manuscript |
Palavras-chave: Biotechnology; Cancer; Chemistry; Immunology; Microbiology; Pharmacology; Bioinformatics. |
| Ano: 2012 |
URL: http://precedings.nature.com/documents/6765/version/1 |
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| Hycienth Braganca; Nandkumar Kamat. |
| Around 100 yeast genera and 800 species have been isolated and characterized. Nagahama (2006) has reviewed yeast biodiversity in freshwater, marine and deep-Sea Environments. Our work aims at systematic biodiversity assessment of freshwater aquatic yeasts from Goa with major focus on carotenogenic basidiomycetes yeasts which on exposure to potentially damaging levels of solar ultraviolet radiation (UVR) accumulate photoprotective compounds (PPC) such as mycosporine-glutaminol-glucoside (myc-glu-glu, peak absorption at 309-310nm) that server as sunscreens and /or antioxidant. These yeasts are a potential source of a particularly diverse family of such substances, collectively referred to as mycosporine- like amino-acids (MAAs). This paper presents the... |
| Tipo: Poster |
Palavras-chave: Biotechnology; Ecology; Microbiology; Pharmacology. |
| Ano: 2010 |
URL: http://precedings.nature.com/documents/4249/version/1 |
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