Glycosyltransferases of the<scp>GT8</scp>Family

Yin, Yanbin; Mohnen, Debra; Gelineo-Albersheim, Ivana; Xu, Ying; Hahn, Michael G.

doi:10.1002/9781119312994.apr0435

Cited by 5 publications

(2 citation statements)

References 98 publications

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“…Glycogenin GlucuronosylTransferase (GGT) -GGT belongs to the GT8 protein family [95]. In Oryza sativa, OsGGT transcripts are induced in submerged plants and respond to various abiotic stresses except cold [96,97].…”

Section: Bradi3g33080mentioning

confidence: 99%

Comparative transcriptomics provides insight into the evolution of cold response in Pooideae

Grønvold

Schubert

Sandve

et al. 2017

Preprint

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Background: Understanding how complex traits evolve through adaptive changes in gene regulation remains a major challenge in evolutionary biology. Over the last ~50 million years, Earth has experienced climate cooling and ancestrally tropical plants have adapted to expanding temperate environments. The grass subfamily Pooideae dominates the grass flora of the temperate regions, but conserved cold-response genes that might have played a role in the cold adaptation to temperate climate remain unidentified.

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Section: Bradi3g33080mentioning

confidence: 99%

Comparative transcriptomics provides insight into the evolution of cold response in Pooideae

Grønvold

Schubert

Sandve

et al. 2017

Preprint

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“…Detailed phylogenetic analyses have devided GT8 proteins into two distantly related clades: 1) the GAUT1 (galacturonosyltransferase1)-related family, including the GAUT and GATL proteins, known as galacturonosyltransferase proteins, 2) a group including plant glycogen protein-like starch starters (PGSIPs) and galactitol synthases (GolSs) (Yin et al 2018). According to the Pfam database and a bioinformatics analysis, all inferred proteins have a Glyco_transf_8-like domain (PF01501), which indicates that the corresponding genes belong to the GAUT gene family (Kikuchi et al 2003).…”

Section: Identi Cation Of Cotton Gaut Genesmentioning

confidence: 99%

Evolution of pectin-synthesis-relevant galacturonosyltransferase gene family and its expression during cotton fiber development

Fan¹,

Liú²,

Zou³

et al. 2021

Preprint

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Background: Pectin is a key substance involved in cell wall development, and the galacturonosyltransferases (GAUTs) gene family is a critical participant in the pectin synthesis pathway. Systematic and comprehensive research on GAUTs has not been performed in cotton. Analysis of the evolution and expression patterns of the GAUT gene family in different cotton species is needed to increase knowledge of the function of pectin in cotton fiber development.Results: In this study, we identified 131 GAUT genes in the genomes of four Gossypium species (G. raimondii, G. barbadense, G. hirsutum, and G. arboreum), and classified them as GAUT-A, GAUT-B and GAUT-C. Among them, 15 GAUT genes encoded proteins (GAUT1 to GAUT15). All GAUT family genes except for the gene GAUT7 coding contained a consevrved Glyco_transf_8 domain (H-DN-A-SVV-S-V-H-T-F). The consevrved sequences of GAUT7 was a PLN (phospholamban) 02769 domain, categorized as a probable galacturonosyltransferase. According to cis-elemet analysis, GAUT genes expression may be regulated by hormones such as JA, GA, SA, ABA, Me-JA and IAA. The evolution and expression patterns of the GAUT gene family in different cotton species and the expression levels in upland cotton materials having different fiber strengths were analyzed. Peak expression of GhGAUT genes was observed before 15DPA; in the six materials with high fiber strength, the expression was concentrated from 10 to 15DPA; while the highest expression in low fiber strength materials was detected between 5 and 10 DPA. The results presented in this paper lays the foundation for future research on gene function during cotton fiber development.Conclusions: The GAUT gene family may affect cotton fiber development, including fiber elongation and fiber thickening. In the low-strength-fiber lines, GAUTs mainly participate in fiber elongation, whereas their major effect on cotton with high-strength fiber is related to both elongation and thickening.

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Arabidopsis Seed Mucilage: A Specialised Extracellular Matrix that Demonstrates the Structure–Function Versatility of Cell Wall Polysaccharides

Šola

Dean

Haughn

2019

Annual Plant Reviews Online

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Arabidopsis seed coat mucilage is a specialised extracellular matrix composed of the same broad classes of polysaccharides found in a primary cell wall (cellulose, pectin, and hemicellulose), arranged in a distinct structure with special properties. It is deposited by the seed coat epidermal cells in the apoplast in a polar manner to produce a doughnut‐shaped mucilage pocket on the outside of the cell. Following exposure to water the mucilage extrudes from the outer surface of the cell. A portion of this mucilage remains strongly adherent to the seed. The unique features of mucilage make it amenable to study, and genetic, cytological, and biochemical analyses have been used to determine its composition, synthesis, and structure, and establish how these combine to determine its properties. Lessons learned from these studies strengthen and extend our understanding of plant extracellular matrices, especially the cell wall. In this article, we summarise and contextualise what is currently known about mucilage by focusing on its main features – extrusion and adherence.

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Glycosyltransferases of theGT8Family

Cited by 5 publications

References 98 publications

Comparative transcriptomics provides insight into the evolution of cold response in Pooideae

Comparative transcriptomics provides insight into the evolution of cold response in Pooideae

Evolution of pectin-synthesis-relevant galacturonosyltransferase gene family and its expression during cotton fiber development

Arabidopsis Seed Mucilage: A Specialised Extracellular Matrix that Demonstrates the Structure–Function Versatility of Cell Wall Polysaccharides

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