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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2017.05.009
|2 doi
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|a pubmed24n0913.xml
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|a (DE-627)NLM273920871
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|a (NLM)28716424
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|a (PII)S0168-9452(17)30061-4
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a de Costa, Fernanda
|e verfasserin
|4 aut
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|a Molecular cloning of an ester-forming triterpenoid
|b UDP-glucose 28-O-glucosyltransferase involved in saponin biosynthesis from the medicinal plant Centella asiatica
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 02.01.2018
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|a Date Revised 31.03.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Crown Copyright © 2017. Published by Elsevier B.V. All rights reserved.
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|a Triterpene saponins include bioactive compounds with structures consisting of triterpene aglycones (sapogenins) and one or more sugar moieties linked through acetal or ester glycosidic linkages at one or more sites. Centella asiatica (L.) Urban is a medicinal plant that contains bioactive ursane-type saponins, such as madecassoside and asiaticoside. In this work, glucosylation of triterpenoids in C. asiatica was investigated starting with plant extracts. An enzyme capable of glucosylating asiatic and madecassic acids was partially purified. Proteomics methods and cDNA sequence data were employed as tools to obtain a full-length cDNA clone encoding a glucosyltransferase. The recombinant gene product, UGT73AD1, was functionally expressed in Escherichia coli and purified by immobilized metal-affinity chromatography. Purified recombinant UGT73AD1 was found to have a narrow specificity, glucosylating asiatic and madecassic acids at the C28 carboxyl. mRNA accumulated in all tissues tested (leaves, stems, roots and flowers), with highest expression in leaves. Thus, UGT73AD1 was identified as a triterpenoid carboxylic acid: UDP-glucose 28-O-glucosyltransferase that appears to be involved in saponin biosynthesis in C. asiatica
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|a Journal Article
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|a Apiaceae
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|a Centella asiatica
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|a Glucosyltransferase
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|a Saponin biosynthesis
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|a UGT73AD1
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|a Plant Proteins
|2 NLM
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|a Saponins
|2 NLM
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|a Triterpenes
|2 NLM
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| 650 |
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|a Glucosyltransferases
|2 NLM
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| 650 |
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|a EC 2.4.1.-
|2 NLM
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| 700 |
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|a Barber, Carla J S
|e verfasserin
|4 aut
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|a Kim, Yeon-Bok
|e verfasserin
|4 aut
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| 700 |
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|a Reed, Darwin W
|e verfasserin
|4 aut
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|a Zhang, Haixia
|e verfasserin
|4 aut
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|a Fett-Neto, Arthur G
|e verfasserin
|4 aut
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| 700 |
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|a Covello, Patrick S
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 262(2017) vom: 07. Sept., Seite 9-17
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnns
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| 773 |
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|g volume:262
|g year:2017
|g day:07
|g month:09
|g pages:9-17
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|u http://dx.doi.org/10.1016/j.plantsci.2017.05.009
|3 Volltext
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|d 262
|j 2017
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|h 9-17
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