Photoperiod Following Inoculation of Arabidopsis with <i>Pyricularia oryzae</i> (syn. <i>Magnaporthe oryzae</i>) Influences on the Plant–Pathogen Interaction

In plant–pathogen interactions, a proper light environment affects the establishment of defense responses in plants. In our previous experiments, we found that nonhost resistance (NHR) to <i>Pyricularia oryzae</i> Cav. in <i>Arabidopsis thaliana</i> (L.) Heynh. (Arabidopsis),...

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Main Authors: Sayaka Shimizu, Yuri Yamauchi, Atsushi Ishikawa
Format: Article
Language:English
Published: MDPI AG 2021-05-01
Series:International Journal of Molecular Sciences
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Online Access:https://www.mdpi.com/1422-0067/22/9/5004
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author Sayaka Shimizu
Yuri Yamauchi
Atsushi Ishikawa
author_facet Sayaka Shimizu
Yuri Yamauchi
Atsushi Ishikawa
author_sort Sayaka Shimizu
collection DOAJ
description In plant–pathogen interactions, a proper light environment affects the establishment of defense responses in plants. In our previous experiments, we found that nonhost resistance (NHR) to <i>Pyricularia oryzae</i> Cav. in <i>Arabidopsis thaliana</i> (L.) Heynh. (Arabidopsis), in diurnal conditions, varies with the inoculation time. Moreover, we indicated that the circadian clock plays an important role in regulating time-of-day differences in NHR to <i>P. oryzae</i> in Arabidopsis. However, the involvement of photoperiod in regulating NHR was still not understood. To determine the photoperiod role, we performed the experiments in continuous light and darkness during the early Arabidopsis–<i>P. oryzae</i> interaction. We found that the light period after the inoculation in the evening enhanced the resistance to penetration. However, the dark period after the inoculation in the morning suppressed the penetration resistance. Furthermore, the genetic analysis indicated that jasmonic acid, reactive oxygen species, and tryptophan-derived metabolite(s) contribute to the photoperiod regulation of NHR in Arabidopsis. The present results denote that photoperiod plays an important role in regulating time-of-day differences in NHR to <i>P. oryzae</i> in Arabidopsis.
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spelling doaj.art-2ef5bfb1c9544280818c262800a25ee42023-11-21T18:49:54ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672021-05-01229500410.3390/ijms22095004Photoperiod Following Inoculation of Arabidopsis with <i>Pyricularia oryzae</i> (syn. <i>Magnaporthe oryzae</i>) Influences on the Plant–Pathogen InteractionSayaka Shimizu0Yuri Yamauchi1Atsushi Ishikawa2Department of Bioscience and Biotechnology, Fukui Prefectural University, Fukui 910-1195, JapanDepartment of Bioscience and Biotechnology, Fukui Prefectural University, Fukui 910-1195, JapanDepartment of Bioscience and Biotechnology, Fukui Prefectural University, Fukui 910-1195, JapanIn plant–pathogen interactions, a proper light environment affects the establishment of defense responses in plants. In our previous experiments, we found that nonhost resistance (NHR) to <i>Pyricularia oryzae</i> Cav. in <i>Arabidopsis thaliana</i> (L.) Heynh. (Arabidopsis), in diurnal conditions, varies with the inoculation time. Moreover, we indicated that the circadian clock plays an important role in regulating time-of-day differences in NHR to <i>P. oryzae</i> in Arabidopsis. However, the involvement of photoperiod in regulating NHR was still not understood. To determine the photoperiod role, we performed the experiments in continuous light and darkness during the early Arabidopsis–<i>P. oryzae</i> interaction. We found that the light period after the inoculation in the evening enhanced the resistance to penetration. However, the dark period after the inoculation in the morning suppressed the penetration resistance. Furthermore, the genetic analysis indicated that jasmonic acid, reactive oxygen species, and tryptophan-derived metabolite(s) contribute to the photoperiod regulation of NHR in Arabidopsis. The present results denote that photoperiod plays an important role in regulating time-of-day differences in NHR to <i>P. oryzae</i> in Arabidopsis.https://www.mdpi.com/1422-0067/22/9/5004nonhost resistancephotoperiodArabidopsis<i>Pyricularia oryzae</i>
spellingShingle Sayaka Shimizu
Yuri Yamauchi
Atsushi Ishikawa
Photoperiod Following Inoculation of Arabidopsis with <i>Pyricularia oryzae</i> (syn. <i>Magnaporthe oryzae</i>) Influences on the Plant–Pathogen Interaction
International Journal of Molecular Sciences
nonhost resistance
photoperiod
Arabidopsis
<i>Pyricularia oryzae</i>
title Photoperiod Following Inoculation of Arabidopsis with <i>Pyricularia oryzae</i> (syn. <i>Magnaporthe oryzae</i>) Influences on the Plant–Pathogen Interaction
title_full Photoperiod Following Inoculation of Arabidopsis with <i>Pyricularia oryzae</i> (syn. <i>Magnaporthe oryzae</i>) Influences on the Plant–Pathogen Interaction
title_fullStr Photoperiod Following Inoculation of Arabidopsis with <i>Pyricularia oryzae</i> (syn. <i>Magnaporthe oryzae</i>) Influences on the Plant–Pathogen Interaction
title_full_unstemmed Photoperiod Following Inoculation of Arabidopsis with <i>Pyricularia oryzae</i> (syn. <i>Magnaporthe oryzae</i>) Influences on the Plant–Pathogen Interaction
title_short Photoperiod Following Inoculation of Arabidopsis with <i>Pyricularia oryzae</i> (syn. <i>Magnaporthe oryzae</i>) Influences on the Plant–Pathogen Interaction
title_sort photoperiod following inoculation of arabidopsis with i pyricularia oryzae i syn i magnaporthe oryzae i influences on the plant pathogen interaction
topic nonhost resistance
photoperiod
Arabidopsis
<i>Pyricularia oryzae</i>
url https://www.mdpi.com/1422-0067/22/9/5004
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AT yuriyamauchi photoperiodfollowinginoculationofarabidopsiswithipyriculariaoryzaeisynimagnaportheoryzaeiinfluencesontheplantpathogeninteraction
AT atsushiishikawa photoperiodfollowinginoculationofarabidopsiswithipyriculariaoryzaeisynimagnaportheoryzaeiinfluencesontheplantpathogeninteraction