Different evolutionary pathways to generate plant fructan exohydrolases

Ende, Wim Van den

doi:10.1093/jxb/erac305

Cited by 6 publications

(2 citation statements)

References 20 publications

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“…Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Guangdong Provincial Engineering Technology Research Center of Seafood, Guangdong Provithat can be used in energy metabolism [ 20 ]. A number of different FEH enzymes, including 6-FEH, 6-kestose exohydrolase, and 6G&1-FEH, have been purified from different flowering plants [ 21 , 22 ]. Efforts have been made to understand the molecular aspects of 1-FEH expression, and cDNAs of 1-FEH from grasses and wheat have been used for heterologous expression in yeast [ 23 ].…”

Section: Metabolism In Plantsmentioning

confidence: 99%

Preparation, Structural Characterisation, and Bioactivities of Fructans: A Review

Cheong

2023

Molecules

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Polysaccharides are important components of higher plants and have attracted increasing attention due to their many nutraceutical benefits in humans. Fructans, heterogeneous fructose polymers that serve as storage carbohydrates in various plants, represent one of the most important types of natural polysaccharides. Fructans have various physiological and therapeutic effects, which are beneficial to health, and have the ability to prevent or treat various diseases, allowing their wide use in the food, nutraceutical, and pharmaceutical industries. This article reviews the occurrence, metabolism, preparation, characterisation, analysis, and bioactivity of fructans. Further, their molecular weight, monosaccharide composition, linkages, and structural determination are described. Taken together, this review provides a theoretical foundation for further research into the structure–function relationships of fructans, as well as valuable new information and directions for further research and application of fructans in functional foods.

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Section: Metabolism In Plantsmentioning

confidence: 99%

Preparation, Structural Characterisation, and Bioactivities of Fructans: A Review

Cheong

2023

Molecules

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“…As fructan synthesis depends on D-fructose content, it is regulated by the activity of sucrosehydrolyzing enzymes sucrose synthase and invertases. The degradation of fructans is catalyzed by FEHs, which hypothetically are derived from ancestral invertases-VINVs or CWINVs [32]. FEHs cleave only terminal bonds between fructose residues and lack invertase activity because of a mutation that changes substrate specificity [33].…”

Section: Introductionmentioning

confidence: 99%

Garlic (Allium sativum L.) Invertase Genes: Genome-Wide Identification and Expression in Response to Abiotic Stresses and Phytohormones

Anisimova,

Shchennikova,

Kochieva

et al. 2024

Horticulturae

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Invertases are involved in plant growth, development, and stress adaptation; however, invertase-encoding genes have not yet been reported in Allium species. In this study, we identified 23 invertase izogenes in garlic (Allium sativum L.): 11 encoding putative neutral/alkaline (AsN/AINV1–11) and 12 acid (6 cell-wall—AsCWINV1–6 and 6 vacuolar—AsVINV1–6) enzymes. Among them, AsN/AINV1, 3, 8–10, AsCWINV2–5, and AsVINV2–6 showed significant transcription in garlic organs (roots, bulbs, pseudostems, leaves, sprouts, and reproductive parts) in a tissue-specific manner, whereas the AsN/AINV4–6, 11, AsCWINV1, 6, and AsVINV1 genes had weak or no detectable expression. Gene promoters contained nine, nine, and sixteen hormone-, stress-, and light-responsive cis-regulatory elements, respectively, and fifteen sites related to transcription factor binding and plant development. Expression analysis revealed that 12 invertase genes strongly transcribed in the roots of A. sativum cv. Ershuizao showed differential expression in the roots and leaves of A. sativum cv. Sarmat exposed to abiotic stresses (low temperature, high salinity, and drought) and phytohormones (abscisic acid and methyl jasmonate), which was significantly correlated with glucose, fructose, and sucrose contents. Our results should further functional analysis of invertases from Allium crops and contribute to the breeding of stress-tolerant varieties.

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Multifaceted roles of plant glycosyl hydrolases during pathogen infections: more to discover

Sivaramakrishnan,

Veeraganti Naveen Prakash,

Chandrasekar

2024

Planta

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Different evolutionary pathways to generate plant fructan exohydrolases

Abstract: This article comments on: Oku S, Ueno K, Sawazaki Y, Maeda T, Jitsuyama Y, Suzuki T, Onodera S, Fujino K, Shimura H. 2022. Functional characterization and vacuolar localization of fructan exohydrolase derived from onion (Allium cepa). Journal of Experimental Botany 73,4908–4922.

Cited by 6 publications

References 20 publications

Preparation, Structural Characterisation, and Bioactivities of Fructans: A Review

Preparation, Structural Characterisation, and Bioactivities of Fructans: A Review

Garlic (Allium sativum L.) Invertase Genes: Genome-Wide Identification and Expression in Response to Abiotic Stresses and Phytohormones

Multifaceted roles of plant glycosyl hydrolases during pathogen infections: more to discover

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