Isolation of pathogenesis-related proteins from TMV-infected tobacco and their influence on infectivity of TMV

The composition of pathogenesis-related proteins (PR-proteins) in the intercellular fluid (ICF) and leaf tissue of the hypersensitive tobacco cultivar Xanthi-nc inoculated with Tobacco mosaic virus (TMV), and their inhibitory influence on TMV multiplication were studied. The ICF PR-proteins of infec...

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Main Authors: Milada Šindelářová, Luděk Šindelář
Format: Article
Language:English
Published: Czech Academy of Agricultural Sciences 2005-06-01
Series:Plant Protection Science
Subjects:
Online Access:https://pps.agriculturejournals.cz/artkey/pps-200502-0002_isolation-of-pathogenesis-related-proteins-from-tmv-infected-tobacco-and-their-influence-on-infectivity-of-tmv.php
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author Milada Šindelářová
Luděk Šindelář
author_facet Milada Šindelářová
Luděk Šindelář
author_sort Milada Šindelářová
collection DOAJ
description The composition of pathogenesis-related proteins (PR-proteins) in the intercellular fluid (ICF) and leaf tissue of the hypersensitive tobacco cultivar Xanthi-nc inoculated with Tobacco mosaic virus (TMV), and their inhibitory influence on TMV multiplication were studied. The ICF PR-proteins of infected plants were separated after solubilisation by decreasing gradient of ammonium sulphate, the cell PR-proteins were separated after acidic homogenisation of leaf tissues. The ICF and cell PR-proteins were further purified by ion exchange chromatography on DEAE cellulose. Using discontinuous non-denaturating polyacrylamide gel electrophoresis of DEAE cellulose fractions the PR-proteins were detected. Their molecular weights were estimated by SDS-PAGE. The ICF and cell proteins of infected leaves included PR-proteins of the molecular weights 15-16 kDa (Group 1), 27-28 kDa (Group 3: chitinases) and 36-40 kDa (Group 2a: ڨ-1,3-glucanases). Fractions with different PR-proteins were tested for their effect on infectivity of TMV. Particularly the PR3 and PR2a proteins seem to decrease the infectivity of TMV.
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spelling doaj.art-4bf4c2990f7941eaac6f9bb375e57b8d2023-02-23T04:03:30ZengCzech Academy of Agricultural SciencesPlant Protection Science1212-25801805-93412005-06-01412525710.17221/2747-PPSpps-200502-0002Isolation of pathogenesis-related proteins from TMV-infected tobacco and their influence on infectivity of TMVMilada Šindelářová0Luděk Šindelář1Institute of Experimental Botany, Academy of Sciences of the Czech Republic, Prague, Czech RepublicInstitute of Experimental Botany, Academy of Sciences of the Czech Republic, Prague, Czech RepublicThe composition of pathogenesis-related proteins (PR-proteins) in the intercellular fluid (ICF) and leaf tissue of the hypersensitive tobacco cultivar Xanthi-nc inoculated with Tobacco mosaic virus (TMV), and their inhibitory influence on TMV multiplication were studied. The ICF PR-proteins of infected plants were separated after solubilisation by decreasing gradient of ammonium sulphate, the cell PR-proteins were separated after acidic homogenisation of leaf tissues. The ICF and cell PR-proteins were further purified by ion exchange chromatography on DEAE cellulose. Using discontinuous non-denaturating polyacrylamide gel electrophoresis of DEAE cellulose fractions the PR-proteins were detected. Their molecular weights were estimated by SDS-PAGE. The ICF and cell proteins of infected leaves included PR-proteins of the molecular weights 15-16 kDa (Group 1), 27-28 kDa (Group 3: chitinases) and 36-40 kDa (Group 2a: ڨ-1,3-glucanases). Fractions with different PR-proteins were tested for their effect on infectivity of TMV. Particularly the PR3 and PR2a proteins seem to decrease the infectivity of TMV.https://pps.agriculturejournals.cz/artkey/pps-200502-0002_isolation-of-pathogenesis-related-proteins-from-tmv-infected-tobacco-and-their-influence-on-infectivity-of-tmv.phppr-proteinspagetobacco mosaic viru
spellingShingle Milada Šindelářová
Luděk Šindelář
Isolation of pathogenesis-related proteins from TMV-infected tobacco and their influence on infectivity of TMV
Plant Protection Science
pr-proteins
page
tobacco mosaic viru
title Isolation of pathogenesis-related proteins from TMV-infected tobacco and their influence on infectivity of TMV
title_full Isolation of pathogenesis-related proteins from TMV-infected tobacco and their influence on infectivity of TMV
title_fullStr Isolation of pathogenesis-related proteins from TMV-infected tobacco and their influence on infectivity of TMV
title_full_unstemmed Isolation of pathogenesis-related proteins from TMV-infected tobacco and their influence on infectivity of TMV
title_short Isolation of pathogenesis-related proteins from TMV-infected tobacco and their influence on infectivity of TMV
title_sort isolation of pathogenesis related proteins from tmv infected tobacco and their influence on infectivity of tmv
topic pr-proteins
page
tobacco mosaic viru
url https://pps.agriculturejournals.cz/artkey/pps-200502-0002_isolation-of-pathogenesis-related-proteins-from-tmv-infected-tobacco-and-their-influence-on-infectivity-of-tmv.php
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