The plant ribosome-inactivating proteins play important roles in defense against pathogens and insect pest attacks

F Zhu, YK Zhou, ZL Ji, XR Chen - Frontiers in Plant Science, 2018 - frontiersin.org
Ribosome-inactivating proteins (RIPs) are toxic N-glycosidases that depurinate eukaryotic
and prokaryotic rRNAs, thereby arresting protein synthesis during translation. RIPs are …

Antiviral activity of ribosome-inactivating proteins

L Citores, R Iglesias, JM Ferreras - Toxins, 2021 - mdpi.com
Ribosome-inactivating proteins (RIPs) are rRNA N-glycosylases from plants (EC 3.2. 2.22)
that inactivate ribosomes thus inhibiting protein synthesis. The antiviral properties of RIPs …

Ageritin from pioppino mushroom: The prototype of ribotoxin-like proteins, a novel family of specific ribonucleases in edible mushrooms

S Ragucci, N Landi, R Russo, M Valletta, PV Pedone… - Toxins, 2021 - mdpi.com
Ageritin is a specific ribonuclease, extracted from the edible mushroom Cyclocybe aegerita
(synonym Agrocybe aegerita), which cleaves a single phosphodiester bond located within …

How ricin damages the ribosome

P Grela, M Szajwaj, P Horbowicz-Drożdżal… - Toxins, 2019 - mdpi.com
Ricin belongs to the group of ribosome-inactivating proteins (RIPs), ie, toxins that have
evolved to provide particular species with an advantage over other competitors in nature …

Structural and functional characterization of the cytotoxic protein ledodin, an atypical ribosome‐inactivating protein from shiitake mushroom (Lentinula edodes)

L Citores, S Ragucci, R Russo, CC Gay… - Protein …, 2023 - Wiley Online Library
We have purified ledodin, a cytotoxic 22‐kDa protein from shiitake mushroom (Lentinula
edodes) consisting of a 197 amino acid chain. Ledodin possessed N‐glycosylase activity on …

Purification, characterization and cytotoxicity assessment of Ageritin: The first ribotoxin from the basidiomycete mushroom Agrocybe aegerita

N Landi, S Pacifico, S Ragucci, R Iglesias… - … et Biophysica Acta (BBA …, 2017 - Elsevier
Background Several species belonging to Ascomycota phylum produce extracellular
ribonucleases, known as ribotoxins, which exhibit RNase activity through the cleavage of a …

Structures and ribosomal interaction of ribosome-inactivating proteins

WW Shi, ANS Mak, KB Wong, PC Shaw - Molecules, 2016 - mdpi.com
Ribosome-inactivating proteins (RIPs) including ricin, Shiga toxin, and trichosanthin, are
RNA N-glycosidases that depurinate a specific adenine residue (A-4324 in rat 28S …

[HTML][HTML] Quinoa as source of type 1 ribosome inactivating proteins: A novel knowledge for a revision of its consumption

N Landi, MR Ruocco, S Ragucci, F Aliotta, R Nasso… - Food Chemistry, 2021 - Elsevier
This study investigates on the presence of toxic proteins in quinoa seeds. To this aim, a
plethora of biochemical approaches were adopted for the purification and characterization of …

[HTML][HTML] Isolation, characterization and biological action of type-1 ribosome-inactivating proteins from tissues of Salsola soda L.

N Landi, S Ragucci, L Citores, A Clemente… - Toxins, 2022 - mdpi.com
Ribosome-inactivating proteins (RIPs) are known as RNA N-glycosylases. They depurinate
the major rRNA, damaging ribosomes and inhibiting protein synthesis. Here, new single …

Structure and Biological Properties of Ribosome-Inactivating Proteins and Lectins from Elder (Sambucus nigra L.) Leaves

R Iglesias, R Russo, N Landi, M Valletta, A Chambery… - Toxins, 2022 - mdpi.com
Ribosome-inactivating proteins (RIPs) are a group of proteins with rRNA N-glycosylase
activity that catalyze the removal of a specific adenine located in the sarcin–ricin loop of the …