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Article

Overexpression of CDSP32 (GhTRX134) Cotton Gene Enhances Drought, Salt, and Oxidative Stress Tolerance in Arabidopsis

1
Agricultural Research Corporation, Wad Medani P.O. Box 126, Sudan
2
State Key Laboratory of Cotton Biology/Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China
*
Author to whom correspondence should be addressed.
Plants 2020, 9(10), 1388; https://doi.org/10.3390/plants9101388
Received: 1 September 2020 / Revised: 2 October 2020 / Accepted: 14 October 2020 / Published: 19 October 2020
(This article belongs to the Section Plant Genetics, Genomics and Biotechnology)
Upland cotton (Gossypium hirsutum L.) is the main natural fiber crop worldwide and is an essential source of seed oil and biofuel products. Many abiotic stresses, such as drought and salinity, constrain cotton production. Thioredoxins (TRXs) are a group of small ubiquitous proteins that are widely distributed among organisms. TRXs play a crucial role in regulating diverse functions during plant growth and development. In the present study, a novel GhTRX134 gene was characterized and overexpressed in Arabidopsis and silenced in cotton under drought stress. Furthermore, the proline content and enzyme activity levels were measured in transgenic plants and wild-type (Wt) plants under drought and salt stress. The results revealed that the overexpression of GhTRX134 enhanced abiotic stress tolerance. When GhTRX134 was silenced, cotton plants become more sensitive to drought. Taken together, these findings confirmed that the overexpression of GhTRX134 improved drought and salt tolerance in Arabidopsis plants. Therefore, the GhTRX134 gene can be transformed into cotton plants to obtain transgenic lines for more functional details. View Full-Text
Keywords: thioredoxins; abiotic stress; gene cloning; Arabidopsis; transformation thioredoxins; abiotic stress; gene cloning; Arabidopsis; transformation
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MDPI and ACS Style

Elasad, M.; Ahmad, A.; Wang, H.; Ma, L.; Yu, S.; Wei, H. Overexpression of CDSP32 (GhTRX134) Cotton Gene Enhances Drought, Salt, and Oxidative Stress Tolerance in Arabidopsis. Plants 2020, 9, 1388. https://doi.org/10.3390/plants9101388

AMA Style

Elasad M, Ahmad A, Wang H, Ma L, Yu S, Wei H. Overexpression of CDSP32 (GhTRX134) Cotton Gene Enhances Drought, Salt, and Oxidative Stress Tolerance in Arabidopsis. Plants. 2020; 9(10):1388. https://doi.org/10.3390/plants9101388

Chicago/Turabian Style

Elasad, Mohammed; Ahmad, Adeel; Wang, Hantao; Ma, Liang; Yu, Shuxun; Wei, Hengling. 2020. "Overexpression of CDSP32 (GhTRX134) Cotton Gene Enhances Drought, Salt, and Oxidative Stress Tolerance in Arabidopsis" Plants 9, no. 10: 1388. https://doi.org/10.3390/plants9101388

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