Surface characterization of the thermal remodeling helical plant virus.
Journal
PloS one
ISSN: 1932-6203
Titre abrégé: PLoS One
Pays: United States
ID NLM: 101285081
Informations de publication
Date de publication:
2019
2019
Historique:
received:
28
02
2019
accepted:
30
04
2019
entrez:
1
6
2019
pubmed:
1
6
2019
medline:
21
1
2020
Statut:
epublish
Résumé
Previously, we have reported that spherical particles (SPs) are formed by the thermal remodeling of rigid helical virions of native tobacco mosaic virus (TMV) at 94°C. SPs have remarkable features: stability, unique adsorption properties and immunostimulation potential. Here we performed a comparative study of the amino acid composition of the SPs and virions surface to characterize their properties and take an important step to understanding the structure of SPs. The results of tritium planigraphy showed that thermal transformation of TMV leads to a significant increase in tritium label incorporation into the following sites of SPs protein: 41-71 а.a. and 93-122 a.a. At the same time, there was a decrease in tritium label incorporation into the N- and C- terminal region (1-15 a.a., 142-158 a.a). The use of complementary physico-chemical methods allowed us to carry out a detailed structural analysis of the surface and to determine the most likely surface areas of SPs. The obtained data make it possible to consider viral protein thermal rearrangements, and to open new opportunities for biologically active complex design using information about SPs surface amino acid composition and methods of non-specific adsorption and bioconjugation.
Identifiants
pubmed: 31150411
doi: 10.1371/journal.pone.0216905
pii: PONE-D-19-05036
pmc: PMC6544241
doi:
Substances chimiques
Viral Proteins
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
e0216905Déclaration de conflit d'intérêts
The authors have declared that no competing interests exist.
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