Enzyme biotechnology in degradation and modification of plant cell wall polymers

Marjamaa, Kaisa; Kruus, Kristiina

doi:10.1111/ppl.12800

Cited by 26 publications

(11 citation statements)

References 165 publications

(189 reference statements)

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“…The properties of synthetic polyamides, polyesters and polyesteramides can also be improved by surface modification as a result of partial hydrolysis of amide and ester bonds. Enzymes of different classes can be used for effective and selective modification and functionalization of polymers [ 45 , 198 , 199 , 200 , 201 ].…”

Section: Biocatalytic Modification Of Polymersmentioning

confidence: 99%

Prospects of Using Biocatalysis for the Synthesis and Modification of Polymers

Nikulin

Švedas

2021

Molecules

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Trends in the dynamically developing application of biocatalysis for the synthesis and modification of polymers over the past 5 years are considered, with an emphasis on the production of biodegradable, biocompatible and functional polymeric materials oriented to medical applications. The possibilities of using enzymes not only as catalysts for polymerization but also for the preparation of monomers for polymerization or oligomers for block copolymerization are considered. Special attention is paid to the prospects and existing limitations of biocatalytic production of new synthetic biopolymers based on natural compounds and monomers from biomass, which can lead to a huge variety of functional biomaterials. The existing experience and perspectives for the integration of bio- and chemocatalysis in this area are discussed.

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Section: Biocatalytic Modification Of Polymersmentioning

confidence: 99%

Prospects of Using Biocatalysis for the Synthesis and Modification of Polymers

Nikulin

Švedas

2021

Molecules

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“…Two genes, MtA17Chr6g0449561 and MtA17Chr6g0449521, encoding galactose oxidase and galactinol-sucrose galactosyltransferase were downstream and upstream of marker MtChr6_522150, respectively. Galactose oxidase is related to pectin synthesis and influences pectin properties (Šola et al, 2019), and involved in the modification and degradation of lignocellulose (Marjamaa and Kruus, 2018). Galactinol-sucrose galactosyltransferase belongs to glycosyltransferase, which is also involved in cell wall formation.…”

Section: Putative Candidate Genes With Functions Involved In Forage Qualitymentioning

confidence: 99%

Genome-Wide Association Studies Identifying Multiple Loci Associated With Alfalfa Forage Quality

et al. 2021

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Autotetraploid alfalfa is a major hay crop planted all over the world due to its adaptation in different environments and high quality for animal feed. However, the genetic basis of alfalfa quality is not fully understood. In this study, a diverse panel of 200 alfalfa accessions were planted in field trials using augmented experimental design at three locations in 2018 and 2019. Thirty-four quality traits were evaluated by Near Infrared Reflectance Spectroscopy (NIRS). The plants were genotyped using a genotyping by sequencing (GBS) approach and over 46,000 single nucleotide polymorphisms (SNPs) were obtained after variant calling and filtering. Genome-wide association studies (GWAS) identified 28 SNP markers associated with 16 quality traits. Among them, most of the markers were associated with fiber digestibility and protein content. Phenotypic variations were analyzed from three locations and different sets of markers were identified by GWAS when using phenotypic data from different locations, indicating that alfalfa quality traits were also affected by environmental factors. Among different sets of markers identified by location, two markers were associated with nine traits of fiber digestibility. One marker associated with lignin content was identified consistently in multiple environments. Putative candidate genes underlying fiber-related loci were identified and they are involved in the lignin and cell wall biosynthesis. The DNA markers and associated genes identified in this study will be useful for the genetic improvement of forage quality in alfalfa after the validation of the markers.

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“…The concentrations of these bio-metals are however largely affected by their immediate soil and water environment (Zhao et al 2015). Together with zinc and manganese ions, copper ions have been used to enrich yeast (Saccharomyces cerevisae) in catalyzing degradation of biomass (Marjamaa and Kruus, 2018). Iron, zinc and cobalt in various concentrations have all been used as cofactors in biomass degradation enzymes (Haferburg and Kothe, 2007).…”

Section: Bio-metal Analysis Of the Biocatalystsmentioning

confidence: 99%

Analysis of Similarities Between Five Indigenous Bio-Catalyst Extracts used by Several Communities in Kenya

Chaka

Aloys

Magu

2020

ESJ

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Commercial fermentation additives are quite expensive leading to increased production costs. Several communities in Kenya have continuously enjoyed fast saccharification of biomass during cooking and fermentation of porridge and ethanol using bio-catalysts. Infusion of these bio-catalysts into modern-day science is crucial in optimization of yields and reduction of production costs in food, alcohol, pharmaceuticals and energy industries. This study aimed at characterizing five extracts (Terminalia b., Acanthaceae spp., Osyris lanceolata, Santaraseae spp. and Kigelia africana) for possible similarities in physical-chemical parameters, elemental composition and ionic stability. Water extracts were preferred as natively done by these communities. Wet chemistry was used for physical-chemistry parameters and elemental composition while spectroscopy was used to analyze presence of bio-metals, functional groups, conjugation and ligands present. Lab simulation studies were conducted to evaluate ionic stabilities. The results indicated the samples had similar pH, conductivity and volatile solids with slight variations in alkalinity and fatty acids. There were similarities in the functional group peaks and conjugation patterns. The ions of Cu(OH)2, Fe(OH) 2+ , ZnOH + , Cr(OH) 2+ and Co 2+ were found to be dominant in all biocatalyst extracts. Terminalia b. and Osyris lanceolata were found to have relatively higher sulfate, phosphate levels while nitrate levels were similar in all the samples except for Terminalia b. biocatalysts. These compounds extracted from these herbs can be commercialized for industrial fermentation processes.

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Enzyme biotechnology in degradation and modification of plant cell wall polymers

Cited by 26 publications

References 165 publications

Prospects of Using Biocatalysis for the Synthesis and Modification of Polymers

Prospects of Using Biocatalysis for the Synthesis and Modification of Polymers

Genome-Wide Association Studies Identifying Multiple Loci Associated With Alfalfa Forage Quality

Analysis of Similarities Between Five Indigenous Bio-Catalyst Extracts used by Several Communities in Kenya

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