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The lincRNA XH123 is involved in cotton cold-stress regulation

Plant molecular biology, 2021-08, Vol.106 (6), p.521-531 [Peer Reviewed Journal]

The Author(s), under exclusive licence to Springer Nature B.V. 2021 ;The Author(s), under exclusive licence to Springer Nature B.V. 2021. ;ISSN: 0167-4412 ;EISSN: 1573-5028 ;DOI: 10.1007/s11103-021-01169-1

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  • Title:
    The lincRNA XH123 is involved in cotton cold-stress regulation
  • Author: Cao, Zeyi ; Zhao, Ting ; Wang, Luyao ; Han, Jin ; Chen, Jinwen ; Hao, Yupeng ; Guan, Xueying
  • Subjects: Biochemistry ; Biomedical and Life Sciences ; Chloroplasts ; Cold ; Cold tolerance ; Cotton ; Gene silencing ; Life Sciences ; Non-coding RNA ; Plant Pathology ; Plant Sciences ; Reactive oxygen species ; Seedlings ; Transcriptomes
  • Is Part Of: Plant molecular biology, 2021-08, Vol.106 (6), p.521-531
  • Description: Key Message We characterize a functional lincRNA, XH123 in cotton seedling in defense of cold stress. The silencing of XH123 leads to increased sensitivity to cold stress and the decay of chloroplast. Cotton, which originated from the arid mid-American region, is one of the most important cash crops worldwide. Cultivated cotton is now widely spread throughout high-altitude regions such as those in the far northwest of Asia. In such areas, spring temperatures below 12 ℃ impose cold stress on cotton seedlings, with concomitant threat of lost yield and productivity. It is documented that cold stress can induce differential expression of long noncoding RNAs (lncRNAs) in cotton; however, it is not yet clear if these cold-responsive lncRNAs are actively involved with tolerance of cold stress at the molecular level. Here, we select ten long intergenic non-coding RNAs as candidate genes and use virus-induced gene silencing and additional cold treatments to examine their roles in the response to cold stress during the cotton seedling stage. One such gene, XH123 , was revealed to be involved in tolerance of cold stress. Specifically, XH123 -silenced plants demonstrated sensitivity to cold stress, exhibiting chloroplast damage and increased endogenous levels of reactive oxygen species. The transcriptome profile of XH123 -silenced seedlings was similar to that of cold-stressed seedlings having the known cold stress gene PIF3 silenced. These results imply that the lincRNA XH123 is actively involved with cold stress regulation in cotton during the seedling stage.
  • Publisher: Dordrecht: Springer Netherlands
  • Language: English
  • Identifier: ISSN: 0167-4412
    EISSN: 1573-5028
    DOI: 10.1007/s11103-021-01169-1
  • Source: ProQuest Central

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