scholarly journals MYB34, MYB51, and MYB122 Distinctly Regulate Indolic Glucosinolate Biosynthesis in Arabidopsis thaliana

2014 ◽  
Vol 7 (5) ◽  
pp. 814-828 ◽  
Author(s):  
Henning Frerigmann ◽  
Tamara Gigolashvili
Keyword(s):  
Arabidopsis Thaliana ◽  
Glucosinolate Biosynthesis ◽  
Indolic Glucosinolate

scholarly journals The transcription factor HIG1/MYB51 regulates indolic glucosinolate biosynthesis in Arabidopsis thaliana

2007 ◽  
Vol 50 (5) ◽  
pp. 886-901 ◽  
Author(s):  
Tamara Gigolashvili ◽  
Bettina Berger ◽  
Hans-Peter Mock ◽  
Caroline Müller ◽  
Bernd Weisshaar ◽  
...  
Keyword(s):  
Arabidopsis Thaliana ◽  
Transcription Factor ◽  
Glucosinolate Biosynthesis ◽  
Indolic Glucosinolate

Comparative Quantitative Trait Loci Mapping of Aliphatic, Indolic and Benzylic Glucosinolate Production in Arabidopsis thaliana Leaves and Seeds

Genetics ◽  
2001 ◽  
Vol 159 (1) ◽  
pp. 359-370 ◽  
Author(s):  
Daniel J Kliebenstein ◽  
Jonathan Gershenzon ◽  
Thomas Mitchell-Olds
Keyword(s):  
Arabidopsis Thaliana ◽  
Secondary Metabolites ◽  
Plant Environment ◽  
Aliphatic Glucosinolates ◽  
Glucosinolate Concentration ◽  
Indolic Glucosinolates ◽  
The Individual ◽  
Concentration Mapping ◽  
Indolic Glucosinolate ◽  
Aliphatic Glucosinolate

Abstract Secondary metabolites are a diverse set of plant compounds believed to have numerous functions in plant-environment interactions. Despite this importance, little is known about the regulation of secondary metabolite accumulation. We are studying the regulation of glucosinolates, a large group of secondary metabolites, in Arabidopsis to investigate how secondary metabolism is controlled. We utilized Ler and Cvi, two ecotypes of Arabidopsis that have striking differences in both the types and amounts of glucosinolates that accumulate in the seeds and leaves. QTL analysis identified six loci determining total aliphatic glucosinolate accumulation, six loci controlling total indolic glucosinolate concentration, and three loci regulating benzylic glucosinolate levels. Our results show that two of the loci controlling total aliphatic glucosinolates map to biosynthetic loci that interact epistatically to regulate aliphatic glucosinolate accumulation. In addition to the six loci regulating total indolic glucosinolate concentration, mapping of QTL for the individual indolic glucosinolates identified five additional loci that were specific to subsets of the indolic glucosinolates. These data show that there are a large number of variable loci controlling glucosinolate accumulation in Arabidopsis thaliana.

scholarly journals Indole Glucosinolate Biosynthesis Limits Phenylpropanoid Accumulation in Arabidopsis thaliana

2015 ◽  
Vol 27 (5) ◽  
pp. 1529-1546 ◽  
Author(s):  
Jeong Im Kim ◽  
Whitney L. Dolan ◽  
Nickolas A. Anderson ◽  
Clint Chapple
Keyword(s):  
Arabidopsis Thaliana ◽  
Glucosinolate Biosynthesis ◽  
Indole Glucosinolate

scholarly journals An integrative approach to investigate natural variation in the accumulation of aliphatic glucosinolates in Arabidopsis thaliana

2019 ◽  
Author(s):  
Suraj Sharma ◽  
Ovidiu Popa ◽  
Stanislav Kopriva ◽  
Oliver Ebenhoeh
Keyword(s):  
Arabidopsis Thaliana ◽  
Natural Variation ◽  
Purifying Selection ◽  
Metabolic Phenotype ◽  
Integrative Approach ◽  
Glucosinolate Biosynthesis ◽  
Coding Regions ◽  
Metabolic Genes ◽  
Chain Lengths ◽  
The Relationship

AbstractGlucosinolates are a fascinating class of specialised metabolites found in the plants of Brassicacea family. The variation in glucosinolate composition across different Arabidopsis ecotypes could be a result of allelic compositions at different biosynthetic loci. The contribution of methylthioalkylmalate synthase (MAM) genes to diversity of glucosinolate profiles across different Arabidopsis ecotypes has been confirmed by genetic analyses. Different MAM isoforms utilise different chain-elongated substrates for glucosinolate biosynthesis causing thus a variation in chain lengths across different Arabidopsis ecotypes. To further investigate the relationship between the genotype and the associated metabolic phenotype, we studied the diversity of genes and enzymes of glucosinolate biosynthesis. Using Shannon entropy as a measure we revealed that several genes of the pathway show a clear derivation from the expected behaviour, either accumulating non-synonymous SNPs or showing signs of purifying selection. We found that the genotype-phenotype relationship is much more complicated than inferred from the diversity of MAM synthases. We conclude therefore, that the ON/OFF feature of key QTLs is not enough to elucidate the diversity of glucosinolates across different Arabidopsis thaliana ecotypes and that glucosinolate profiles are determined also through the polymorphic residues along the coding regions of multiple metabolic genes.

scholarly journals Glucose enhances indolic glucosinolate biosynthesis without reducing primary sulfur assimilation

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Huiying Miao ◽  
Congxi Cai ◽  
Jia Wei ◽  
Jirong Huang ◽  
Jiaqi Chang ◽  
...  
Keyword(s):  
Sulfur Assimilation ◽  
Glucosinolate Biosynthesis ◽  
Indolic Glucosinolate
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