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author:

Li, Ning (Li, Ning.) [1] | Yu, Peiyao (Yu, Peiyao.) [2] | Zeng, Yanling (Zeng, Yanling.) [3] | Chen, Jiali (Chen, Jiali.) [4] | Yang, Wenhai (Yang, Wenhai.) [5] | Qin, Guannan (Qin, Guannan.) [6] | Du, Shenxiu (Du, Shenxiu.) [7] | Han, Xiao (Han, Xiao.) [8] (Scholars:韩霄) | Huang, Li-Jun (Huang, Li-Jun.) [9]

Indexed by:

Scopus SCIE

Abstract:

In eukaryotic cells, epigenetic modifications of DNA and histone play an important role in the regulation of gene expression. ROXY19 is a member of the plant specific CC-type glutaredoxins (GRXs). We found previously that ROXY19, by association with the TOPLESS/TOPLESS-related (TPL/TPR) family, strongly repressed a subset of genes which were positively regulated by the class II TGA factors. Arabidopsis plants ectopic expressing ROXY19 (ROXY19OE) were hypersensitive to xenobiotic chemicals due to the silencing of detoxification pathway genes. Here, we confirmed in vivo the interaction between ROXY19 and TPL. In order to understand the molecular mechanism underlying ROXY19-TPL module mediated gene repression, DNA methylation and histone deacetylation inhibitors were applied to assess the involvement of epigenetic modifications in the silencing of detoxification pathway genes in ROXY19OE plants. Promoter regions of some ROXY19 repressed genes were not methylated in wild-type/Col-0, and the methylation status were not altered in ROXY19OE. Furthermore, we investigated the role of epigenetic modifications in the antagonistic interplay between ethylene/jasmonic acid (ET/JA) and salicylic acid (SA) signaling pathways, which were supposed to be regulated by ROXY19.

Keyword:

Epigenetics Gene expression Glutaredoxin Plant hormone Xenobiotic detoxification

Community:

  • [ 1 ] [Li, Ning]Cent South Univ Forestry & Technol, Coll Forestry, Key Lab Cultivat & Protect Nonwood Forest Trees, Minist Educ, Changsha 410004, Peoples R China
  • [ 2 ] [Yu, Peiyao]Cent South Univ Forestry & Technol, Coll Forestry, Key Lab Cultivat & Protect Nonwood Forest Trees, Minist Educ, Changsha 410004, Peoples R China
  • [ 3 ] [Zeng, Yanling]Cent South Univ Forestry & Technol, Coll Forestry, Key Lab Cultivat & Protect Nonwood Forest Trees, Minist Educ, Changsha 410004, Peoples R China
  • [ 4 ] [Chen, Jiali]Cent South Univ Forestry & Technol, Coll Forestry, Key Lab Cultivat & Protect Nonwood Forest Trees, Minist Educ, Changsha 410004, Peoples R China
  • [ 5 ] [Yang, Wenhai]Cent South Univ Forestry & Technol, Coll Forestry, Key Lab Cultivat & Protect Nonwood Forest Trees, Minist Educ, Changsha 410004, Peoples R China
  • [ 6 ] [Huang, Li-Jun]Cent South Univ Forestry & Technol, Coll Forestry, Key Lab Cultivat & Protect Nonwood Forest Trees, Minist Educ, Changsha 410004, Peoples R China
  • [ 7 ] [Li, Ning]Cent South Univ Forestry & Technol, Key Lab Forest Bioresources & Integrated Pest Mana, Changsha 410004, Peoples R China
  • [ 8 ] [Yu, Peiyao]Cent South Univ Forestry & Technol, Key Lab Forest Bioresources & Integrated Pest Mana, Changsha 410004, Peoples R China
  • [ 9 ] [Chen, Jiali]Cent South Univ Forestry & Technol, Key Lab Forest Bioresources & Integrated Pest Mana, Changsha 410004, Peoples R China
  • [ 10 ] [Qin, Guannan]Fujian Agr & Forestry Univ, Coll Agr, Key Lab Minist Educ Genet Breeding & Multiple Util, Fuzhou 350002, Peoples R China
  • [ 11 ] [Du, Shenxiu]Chinese Acad Agr Sci, Biotechnol Res Inst, Beijing 100081, Peoples R China
  • [ 12 ] [Han, Xiao]Fuzhou Univ, Coll Biol Sci & Engn, Fuzhou 350116, Peoples R China

Reprint 's Address:

  • [Li, Ning]Cent South Univ Forestry & Technol, Coll Forestry, Key Lab Cultivat & Protect Nonwood Forest Trees, Minist Educ, Changsha 410004, Peoples R China;;[Huang, Li-Jun]Cent South Univ Forestry & Technol, Coll Forestry, Key Lab Cultivat & Protect Nonwood Forest Trees, Minist Educ, Changsha 410004, Peoples R China;;

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Source :

ENVIRONMENTAL AND EXPERIMENTAL BOTANY

ISSN: 0098-8472

Year: 2023

Volume: 217

4 . 5

JCR@2023

4 . 5 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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