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Relevant bibliographies by topics / Plant enzymes – Analysis

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Dissertations / Theses

Academic literature on the topic 'Plant enzymes – Analysis'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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Dissertations / Theses on the topic "Plant enzymes – Analysis"

1

Shamandi, Nahid. "Functional analysis of plant RNaseIII enzymes." Thesis, Paris 11, 2013. http://www.theses.fr/2013PA112157/document.

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Chez la majorité des eucaryotes, les petits ARN (miRNA et siRNA) jouent des rôles essentiels au cours du développement, dans les réponses adaptatives aux stress, et dans la maintenance de la stabilité génétique. Les plantes codent quatre enzymes RNaseIII de type DICER-LIKE (DCL). DCL1, produit les miRNAs, tandis que DCL2, DCL3 et DCL4 produisent des siRNAs des tailles diverses. Les plantes codent également des enzymes appelées RNASE-THREE-LIKE (RTL) auxquelles il manque certains domaines spécifiques aux DCLs, et dont la fonction est largement inconnue.Des plantes sur-exprimant RTL1 montrent de

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2

Samodien, Mugammad Ebrahim. "Analysis of enzymes involved in starch phosphate metabolism." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/2633.

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Thesis (MSc (Genetics. Plant Biotechnology)) --University of Stellenbosch, 2009.<br>ENGLISH ABSTRACT: This project examined the role of proteins in starch phosphate metabolism. The first part was aimed at the functional characterization of the SEX4, LSF1 and LSF2 genes in both plants and bacteria. Constructs were produced to allow for expression of the three proteins in E. coli with the SEX4 and LSF2 proteins being successfully purified and used to produce antibodies. Immunoblot analysis indicated that the antibodies recognised the repective proteins in extracts, but it was not clear if t

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3

Duncanson, Euan. "Biochemical and mutant analysis of nitrite reduction in barley." Thesis, University of St Andrews, 1991. http://hdl.handle.net/10023/14465.

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The object of this study was to isolate and characterise barley mutants that lacked a functional nitrite reductase activity. This work should complement previous studies on nitrate reductase to develop a fuller understanding of nitrate assimilation in barley. 30 nitrite reduction-deficient M2 barley plants (azide-treated in the M1) were identified as nitrite accumulators after treatment with nitrate. Biochemical analysis M2 selections revealed that leaf tissue from 9 selected plants lacked detectable nitrite reductase protein. Progeny from 4 of the selected plants (Golden Promise 2406, Tweed 3

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4

Mopai, Kgaugelo Lydia. "Screening, purification and characterisation of an active Hydroxynitrile Lyase (Nitrilase) from indigenous South African Plants." Thesis, University of Limpopo, 2013. http://hdl.handle.net/10386/1334.

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Thesis (MSc. (Biochemistry)) -- University of Limpopo, 2013<br>Hydroxynitrile lyases (HNLs) are enzymes that catalyse enantioselective cleavage of the substrate in a reaction and are also used as important industrial biocatalysts for the synthesis of chiral cyanohydrins. The aim of the study was to screen indigenous South African plants for potential hydroxynitrile lyase activity, purify and biochemically characterise the active hydroxynitrile lyase(s) from the selected plants. Several indigenous plants were randomly collected, identified and screened for HNL activity. The plant parts (leaves,

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5

Cotton, Kimberly Lynn. "Genetic and biochemical analysis of essential enzymes in triacylglycerol synthesis in arabidopsis." Thesis, Washington State University, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10043101.

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<p> Plant oils are used in food, fuel, and feedstocks for many consumer products, and so understanding the process by which they are made and modified will help us to make plant oils more healthy, useful, and sustainable. While some of the genes encoding the ER-localized enzymatic steps to triacylglycerol (TAG) have been well understood and documented, several are still in need of study. The glycerol-3-phosphate acyl transferase (GPAT) enzymatic activity is the first step in the pathway to TAG, and it acylates glycerol 3-phosphate to produce lysophosphatidic acid. <i>GPAT9</i> (AT5G60620) is c

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6

Wen, Miao. "Chemical analysis and biosynthesis of secondary alcohols in plant cuticular waxes." Thesis, University of British Columbia, 2009. http://hdl.handle.net/2429/4304.

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The biosynthesis of wax components containing secondary functional groups was investigated in the current study. Two fundamentally different pathways were proposed to introduce the secondary functional groups. One pathway involves hydroxylation of elongated substrates. Wax components characterized by two functional groups located on or near the centre of the carbon chain, nonacosane-14,15-diol, -14,16-diol and -13,15-diol as well as corresponding ketols were identified for the first time in Arabidopsis stem wax. The alkanediols and ketols were dominated by the C-14,15 isomers. The absence of a

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7

Pisarczyk, Elizabeth W. "The effect of garlic mustard (Alliaria petiolata) density on soil nutrient availability and microbial enzyme activity in Northwest Ohio : a gradient analysis /." Connect to full text in OhioLINK ETD Center, 2009. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=toledo1260236506.

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Thesis (M.S.)--University of Toledo, 2009.<br>Typescript. "Submitted as partial fulfillment of the requirements for The Master of Science Degree in Biology (Ecology-track)." "A thesis entitled"--at head of title. Bibliography: leaves 28-32.

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Devaiah, Shivakumar P., Cheng Zhang, and Cecelia A. McIntosh. "Structure and Functional Analysis of Glucosyltransferase from Citrus paradisi." Digital Commons @ East Tennessee State University, 2014. https://dc.etsu.edu/etsu-works/344.

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Glucosyltransferases (GTs) are enzymes that expedite the incorporation of UDP-activated glucose to a corresponding acceptor molecule. This enzymatic reaction stabilizes structures and affects solubility, transport, and bioavailability of flavonoids for other metabolic processes. Flavonoid glycosides affect taste characteristics in citrus making the associated glucosyltransferases particularly interesting targets for biotechnology applications. Custom design of enzymes requires understanding of structure/function of the protein. The present study focuses on creating mutant flavonol-3-O-glucosyl

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9

Sathanantham, Preethi, Shiva K. Devaiah, and Cecelia A. McIntosh. "Structure-Function Analysis of Grapefruit Glucosyltransferase Protein – Identification of Key Amino Acid Residues for its Rigid Substrate Specificity." Digital Commons @ East Tennessee State University, 2015. https://dc.etsu.edu/etsu-works/352.

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Flavonoids are an important class of secondary metabolites widely distributed in plants. The majority of naturally occurring flavonoids are found in glucosylated form. Glucosyltransferases are enzymes that enable transfer of glucose from an activated donor (UDP-glucose) to the acceptor flavonoid substrates. A flavonol specific glucosyltransferase cloned from Citrus paradisi (Cp3OGT) has strict substrate and regiospecificity. In this study, amino acid residues that could potentially alter the rigidity observed in this enzyme were mutated to position equivalent residues of a putative anthocyanin

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10

Ahmadian, Hossein. "Analysis of enzyme dust formation in detergent manufacturing plant." Thesis, University of Leeds, 2008. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.515281.

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