» Articles » PMID: 29023422

Plant Ribosome-Inactivating Proteins: Progesses, Challenges and Biotechnological Applications (and a Few Digressions)

Overview
Journal Toxins (Basel)
Publisher MDPI
Specialty Toxicology
Date 2017 Oct 13
PMID 29023422
Citations 34
Authors
Affiliations
Soon will be listed here.
Abstract

Plant ribosome-inactivating protein (RIP) toxins are EC3.2.2.22 N-glycosidases, found among most plant species encoded as small gene families, distributed in several tissues being endowed with defensive functions against fungal or viral infections. The two main plant RIP classes include type I (monomeric) and type II (dimeric) as the prototype ricin holotoxin from that is composed of a catalytic active A chain linked via a disulphide bridge to a B-lectin domain that mediates efficient endocytosis in eukaryotic cells. Plant RIPs can recognize a universally conserved stem-loop, known as the α-sarcin/ ricin loop or SRL structure in 23S/25S/28S rRNA. By depurinating a single adenine (A4324 in 28S rat rRNA), they can irreversibly arrest protein translation and trigger cell death in the intoxicated mammalian cell. Besides their useful application as potential weapons against infected/tumor cells, ricin was also used in bio-terroristic attacks and, as such, constitutes a major concern. In this review, we aim to summarize past studies and more recent progresses made studying plant RIPs and discuss successful approaches that might help overcoming some of the bottlenecks encountered during the development of their biomedical applications.

Citing Articles

Characterization of MAP c21873-1 as a new counter-selectable marker for unmarked genetic modification of Pichia pastoris.

Liu M, Zhou S, Cao Y, Yang K, Xiao Y, Wang W Microb Cell Fact. 2024; 23(1):224.

PMID: 39118053 PMC: 11312372. DOI: 10.1186/s12934-024-02496-w.


Novel loading protocol combines highly efficient encapsulation of exogenous therapeutic toxin with preservation of extracellular vesicles properties, uptake and cargo activity.

Zuppone S, Zarovni N, Noguchi K, Loria F, Morasso C, Lohmus A Discov Nano. 2024; 19(1):76.

PMID: 38691254 PMC: 11063024. DOI: 10.1186/s11671-024-04022-8.


Antifungal Activity of Ribosome-Inactivating Proteins.

Iglesias R, Citores L, Gay C, Ferreras J Toxins (Basel). 2024; 16(4).

PMID: 38668617 PMC: 11054410. DOI: 10.3390/toxins16040192.


Biocontrol Potential of Sodin 5, Type 1 Ribosome-Inactivating Protein from L. Seeds.

Novak Babic M, Ragucci S, Leonardi A, Pavsic M, Landi N, Krizaj I Biomolecules. 2024; 14(3).

PMID: 38540756 PMC: 10967906. DOI: 10.3390/biom14030336.


Heterophyllin: A New Adenia Toxic Lectin with Peculiar Biological Properties.

Bortolotti M, Biscotti F, Zanello A, Polito L, Bolognesi A Toxins (Basel). 2024; 16(1).

PMID: 38276525 PMC: 10820617. DOI: 10.3390/toxins16010001.


References
1.
Vitale A, Boston R . Endoplasmic reticulum quality control and the unfolded protein response: insights from plants. Traffic. 2008; 9(10):1581-8. DOI: 10.1111/j.1600-0854.2008.00780.x. View

2.
Kooijmans S, Schiffelers R, Zarovni N, Vago R . Modulation of tissue tropism and biological activity of exosomes and other extracellular vesicles: New nanotools for cancer treatment. Pharmacol Res. 2016; 111:487-500. DOI: 10.1016/j.phrs.2016.07.006. View

3.
Olsen E, Duvic M, Frankel A, Kim Y, Martin A, Vonderheid E . Pivotal phase III trial of two dose levels of denileukin diftitox for the treatment of cutaneous T-cell lymphoma. J Clin Oncol. 2001; 19(2):376-88. DOI: 10.1200/JCO.2001.19.2.376. View

4.
Lodge J, Kaniewski W, Tumer N . Broad-spectrum virus resistance in transgenic plants expressing pokeweed antiviral protein. Proc Natl Acad Sci U S A. 1993; 90(15):7089-93. PMC: 47081. DOI: 10.1073/pnas.90.15.7089. View

5.
Day P, Pinheiro T, Roberts L, Lord J . Binding of ricin A-chain to negatively charged phospholipid vesicles leads to protein structural changes and destabilizes the lipid bilayer. Biochemistry. 2002; 41(8):2836-43. DOI: 10.1021/bi012012i. View