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dc.contributor.authorKrishnapura, P.R.
dc.contributor.authorBelur, P.D.
dc.date.accessioned2020-03-31T08:35:39Z-
dc.date.available2020-03-31T08:35:39Z-
dc.date.issued2016
dc.identifier.citationPreparative Biochemistry and Biotechnology, 2016, Vol.46, 3, pp.281-287en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/11811-
dc.description.abstractEndophytes are described as microorganisms that colonize the internal tissues of healthy plants without causing any disease. Endophytes isolated from medicinal plants have been attracting considerable attention due to their high biodiversity and their predicted potential to produce a plethora of novel compounds. In this study, an attempt was made to isolate endophytes from rhizomes of five medicinal plants of Zingiberaceae family, and to screen the endophytes for L-asparaginase activity. In total, 50 endophytes (14 bacteria, 22 actinomycetes, and 14 fungi) were isolated from Alpinia galanga, Curcuma amada, Curcuma longa, Hedychium coronarium, and Zingiber officinale; of these, 31 endophytes evidenced positive for L-asparaginase production. All the L-asparaginase-positive isolates showed L-asparaginase activity in the range of 54.17 155.93 U/mL in unoptimized medium. An endophytic fungus isolated from Curcuma amada, identified as Talaromyces pinophilus, was used for further experiments involving studies on the effect of certain nutritional and nonnutritional factors on L-asparaginase production in submerged fermentation. Talaromyces pinophilus initially gave an enzyme activity of 108.95 U/mL, but gradually reduced to 80 U/mL due to strain degeneration. Perhaps this is the first report ever on the production of L-asparaginase from endophytes isolated from medicinal plants of Zingiberaceae family. 2016, Taylor & Francis Group, LLC.en_US
dc.titleIsolation and screening of endophytes from the rhizomes of some Zingiberaceae plants for L-asparaginase productionen_US
dc.typeArticleen_US
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