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21 results on '"Tong, Shaofei"'

6. Allelic shift in cis-elements of the transcription factor RAP2.12 underlies adaptation associated with humidity in Arabidopsis thaliana

Author

Lou, Shangling, Guo, Xiang, Liu, Lian, Song, Yan, Zhang, Lei, Jiang, Yuanzhong, Zhang, Lushui, Sun, Pengchuan, Liu, Bao, Tong, Shaofei, Chen, Ningning, Liu, Meng, Zhang, Han, Liang, Ruyun, Feng, Xiaoqin, Zheng, Yudan, Liu, Huanhuan, Holdsworth, Michael J., and Liu, Jianquan

Abstract

Populations of widespread species are usually geographically distributed through contrasting stresses, but underlying genetic mechanisms controlling this adaptation remain largely unknown. Here, we show that in Arabidopsis thaliana, allelic changes in the cis-regulatory elements, WT box and W box, in the promoter of a key transcription factor associated with oxygen sensing, RELATED TO AP 2.12 (RAP2.12), are responsible for differentially regulating tolerance to drought and flooding. These two cis-elements are regulated by different transcription factors that downstream of RAP2.12 results in differential accumulation of hypoxia-responsive transcripts. The evolution from one cis-element haplotype to the other is associated with the colonization of humid environments from arid habitats. This gene thus promotes both drought and flooding adaptation via an adaptive mechanism that diversifies its regulation through noncoding alleles.

Published
2022

11. The U‐box E3 ubiquitin ligase PalPUB79 positively regulates ABA‐dependent drought tolerance via ubiquitination of PalWRKY77 in Populus

Author

Tong, Shaofei, primary, Chen, Ningning, additional, Wang, Deyan, additional, Ai, Fandi, additional, Liu, Bao, additional, Ren, Liwen, additional, Chen, Yang, additional, Zhang, Junlin, additional, Lou, Shangling, additional, Liu, Huanhuan, additional, Liu, Jianquan, additional, Ma, Tao, additional, and Jiang, Yuanzhong, additional

Published
2021
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13. The ubiquitin E3 ligase SR1 modulates the submergence response by degrading phosphorylated WRKY33 in Arabidopsis

Author

Liu, Bao, primary, Jiang, Yuanzhong, additional, Tang, Hu, additional, Tong, Shaofei, additional, Lou, Shangling, additional, Shao, Chen, additional, Zhang, Junlin, additional, Song, Yan, additional, Chen, Ningning, additional, Bi, Hao, additional, Zhang, Han, additional, Li, Junhua, additional, Liu, Jianquan, additional, and Liu, Huanhuan, additional

Published
2021
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17. A General Model to Explain Repeated Turnovers of Sex Determination in the Salicaceae

Author

Yang, Wenlu, primary, Wang, Deyan, additional, Li, Yiling, additional, Zhang, Zhiyang, additional, Tong, Shaofei, additional, Li, Mengmeng, additional, Zhang, Xu, additional, Zhang, Lei, additional, Ren, Liwen, additional, Ma, Xinzhi, additional, Zhou, Ran, additional, Sanderson, Brian J, additional, Keefover-Ring, Ken, additional, Yin, Tongming, additional, Smart, Lawrence B, additional, Liu, Jianquan, additional, DiFazio, Stephen P, additional, Olson, Matthew, additional, and Ma, Tao, additional

Published
2020
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20. A General Model to Explain Repeated Turnovers of Sex Determination in the Salicaceae.

Author

Yang, Wenlu, Wang, Deyan, Li, Yiling, Zhang, Zhiyang, Tong, Shaofei, Li, Mengmeng, Zhang, Xu, Zhang, Lei, Ren, Liwen, Ma, Xinzhi, Zhou, Ran, Sanderson, Brian J, Keefover-Ring, Ken, Yin, Tongming, Smart, Lawrence B, Liu, Jianquan, DiFazio, Stephen P, Olson, Matthew, and Ma, Tao

Subjects
PLANT species, SALICACEAE, PLANT translocation, ANGIOSPERM genetics, GENOMES
Abstract

Dioecy, the presence of separate sexes on distinct individuals, has evolved repeatedly in multiple plant lineages. However, the specific mechanisms by which sex systems evolve and their commonalities among plant species remain poorly understood. With both XY and ZW sex systems, the family Salicaceae provides a system to uncover the evolutionary forces driving sex chromosome turnovers. In this study, we performed a genome-wide association study to characterize sex determination in two Populus species, P. euphratica and P. alba. Our results reveal an XY system of sex determination on chromosome 14 of P. euphratica , and a ZW system on chromosome 19 of P. alba. We further assembled the corresponding sex-determination regions, and found that their sex chromosome turnovers may be driven by the repeated translocations of a Helitron -like transposon. During the translocation, this factor may have captured partial or intact sequences that are orthologous to a type-A cytokinin response regulator gene. Based on results from this and other recently published studies, we hypothesize that this gene may act as a master regulator of sex determination for the entire family. We propose a general model to explain how the XY and ZW sex systems in this family can be determined by the same RR gene. Our study provides new insights into the diversification of incipient sex chromosomes in flowering plants by showing how transposition and rearrangement of a single gene can control sex in both XY and ZW systems. [ABSTRACT FROM AUTHOR]

Published
2021
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21. WRKY33 interacts with WRKY12 protein to up‐regulate RAP2.2 during submergence induced hypoxia response in Arabidopsis thaliana.

Author

Tang, Hu, Bi, Hao, Liu, Bao, Lou, Shangling, Song, Yan, Tong, Shaofei, Chen, Ningning, Jiang, Yuanzhong, Liu, Jianquan, and Liu, Huanhuan

Subjects
HYPOXEMIA, ARABIDOPSIS thaliana, PROTEINS, ARABIDOPSIS
Abstract

Summary: Tolerance of hypoxia is essential for most plants, but the underlying mechanisms are largely unknown. Here we show that adaptation to submergence induced hypoxia in Arabidopsis involves up‐regulation of RAP2.2 through interactive action of WRKY33 and WRKY12.WRKY33‐ or WRKY12‐overexpressing plants showed enhanced resistance to hypoxia. Y2H, BiFC, Co‐IP and pull‐down experiments confirmed the interaction of WRKY33 with WRKY12. Genetic experiments showed that RAP2.2 acts downstream of WRKY33/WRKY12.WRKY33 and WRKY12 can bind to and activate RAP2.2 individually. Genetic and molecular experiments demonstrate that the two WRKYs can synergistically enhance activation towards RAP2.2 to increase hypoxia tolerance. WRKY33 expression is increased in RAP2.2‐overexpressing plants, indicating a feedback regulation by RAP2.2 during submergence process, which was corroborated by EMSA, ChIP, dual‐LUC and genetic experiments.Our results show that a regulatory cascade module involving WRKY33, WRKY12 and RAP2.2 plays a key role in submergence induced hypoxia response of Arabidopsis and illuminate functions of WRKYs in hypoxia tolerance. See also the Editorial on this article by Sasidharan et al., 229: 5–7. [ABSTRACT FROM AUTHOR]

Published
2021
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