Cited by 176Polysaccharides and Plant Cell WallsPlant Molecular Biology ResearchPostharvest Quality and Shelf Life Management

Plant protein inhibitors of invertases

Rausch, Thomas, Greiner, Steffen·2004·Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics

Abstract

In higher plants, cell wall (CWI) and vacuolar invertases (VI) are important metabolic enzymes, but are also key players during wound and pathogen defense reactions and in several developmental transitions. These multiple functions are implemented by small gene families. While induction of CWI and VI activities usually operates via increased transcription of the corresponding isoform gene, the equally important silencing of invertase activity depends on post-translational mechanisms, including inactivation by specific inhibitor proteins. Recently, the first cDNAs for plant invertase inhibitors were cloned, NtCIF and NtVIF (cell wall/vacuolar inhibitor of beta-fructosidase). The encoded proteins have been expressed in E. coli for functional studies and transgenic tobacco and potato plants were generated to explore the inhibitor function(s) in vivo. Mining the Arabidopsis thaliana genome revealed an inhibitor protein family of limited sequence conservation, some members grouping with tobacco CIF and VIF, while others showing a closer similarity with a recently identified inhibitor of pectin methylesterase. In vitro studies have confirmed target enzyme specificity for invertase and pectin methylesterase inhibitors (PMEI), respectively. The current status of research on invertase inhibitors and the perspectives for their use in plant biotechnology will be discussed.

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Crossref · 10.1016/j.bbapap.2003.09.017

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Authors
Rausch, T., & Greiner, S.
Corresponding author
Greiner, Steffen
Venue
Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics
Publisher
Elsevier BV
Published
2004-02
Volume
1696
Issue
2
Pages
253-261
ISSN
1570-9639 (ISSN-L)
OpenAlex
W1999458419
Cited by
176
References
41
Citations by year
2026: 3 · 2025: 3 · 2024: 5 · 2023: 2 · 2022: 13 · 2021: 16 · 2020: 14 · 2019: 6 · 2018: 3 · 2017: 8 · 2016: 6 · 2015: 9 · 2014: 9 · 2013: 8 · 2012: 9
FWCI
7.83
Type
journal article
Language
en
Open access
closed
Locations
  • Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Polysaccharides and Plant Cell Walls
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Postharvest Quality and Shelf Life Management
Keywords
invertase inhibitor, cell wall invertase, vacuolar invertase, beta-fructosidase, pectin methylesterase inhibitor, Arabidopsis thaliana, transgenic tobacco, transgenic potato, plant defense, plant biotechnology
MeSH terms
Abscisic Acid, Amino Acid Sequence, Cloning, Molecular, Enzyme Inhibitors, Food-Processing Industry, Molecular Sequence Data, Plant Proteins, Polyethylene Glycols, Solanum tuberosum, Seeds, Sucrose, Sequence Alignment, Arabidopsis, DNA, Complementary, Gene Expression Regulation, Plant, beta-Fructofuranosidase

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