Please use this identifier to cite or link to this item: https://ir.swu.ac.th/jspui/handle/123456789/12674
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dc.contributor.authorBoonpa K.
dc.contributor.authorTantong S.
dc.contributor.authorWeerawanich K.
dc.contributor.authorPanpetch P.
dc.contributor.authorPringsulaka O.
dc.contributor.authorRoytrakul S.
dc.contributor.authorSirikantaramas S.
dc.date.accessioned2021-04-05T03:04:53Z-
dc.date.available2021-04-05T03:04:53Z-
dc.date.issued2019
dc.identifier.issn0031949X
dc.identifier.other2-s2.0-85059499797
dc.identifier.urihttps://ir.swu.ac.th/jspui/handle/123456789/12674-
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85059499797&doi=10.1094%2fPHYTO-06-17-0217-R&partnerID=40&md5=b22196e23ec62f22026db0b9768b071c
dc.description.abstractThionins are a family of antimicrobial peptides. We performed in silico expression analyses of the 44 rice (Oryza sativa) thionins (OsTHIONs). Modulated expression levels of OsTHIONs under different treatments suggest their involvement in many processes, including biotic, abiotic, and nutritional stress responses, and in hormone signaling. OsTHION15 (LOC_Os06g32600) was selected for further characterization based on several in silico analyses. OsTHION15 in O. sativa subsp. indica ‘KDML 105’ was expressed in all of the tissues and organs examined, including germinating seed, leaves, and roots of seedlings and mature plants, and inflorescences. To investigate the antimicrobial activity of OsTHION15, we produced a recombinant peptide in Escherichia coli Rosetta-gami (DE3). The recombinant OsTHION15 exhibited inhibitory activities toward rice-pathogenic bacteria such as Xanthomonas oryzae pv. oryzae and Pectobacterium carotovorum pv. atroseptica, with minimum inhibitory concentrations of 112.6 and 14.1 µg ml_1, respectively. A significant hyphal growth inhibition was also observed toward Fusarium oxysporum f. sp. cubense and Helminthosporium oryzae. In addition, we demonstrated the in planta antibacterial activity of this peptide in Nicotiana benthamiana against X. campestris pv. glycines. These activities suggest the possible application of OsTHION15 in plant disease control. © 2019 The American Phytopathological Society.
dc.subjectthionin peptide
dc.subjectgenetics
dc.subjectmicrobiology
dc.subjectOryza
dc.subjectpathogenicity
dc.subjectPectobacterium carotovorum
dc.subjectplant disease
dc.subjectXanthomonas
dc.subjectOryza
dc.subjectPectobacterium carotovorum
dc.subjectPlant Diseases
dc.subjectThionins
dc.subjectXanthomonas
dc.titleIn silico analyses of rice thionin genes and the antimicrobial activity of osthion15 against phytopathogens
dc.typeArticle
dc.rights.holderScopus
dc.identifier.bibliograpycitationPhytopathology. Vol 109, No.1 (2019), p.27-35
dc.identifier.doi10.1094/PHYTO-06-17-0217-R
Appears in Collections:Scopus 1983-2021

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