Next Article in Journal
Effect of Water Supply on Spectral Traits and Their Relationship with the Productivity of Sweet Corns
Previous Article in Journal
Comprehensive Evaluation for Cold Tolerance in Wucai (Brassica campestris L.) by the Performance Index on an Absorption Basis (PIabs)
Previous Article in Special Issue
Phytohormone-Mediated Stomatal Response, Escape and Quiescence Strategies in Plants under Flooding Stress
Article Menu
Issue 2 (February) cover image

Export Article

Open AccessArticle
Agronomy 2019, 9(2), 62; https://doi.org/10.3390/agronomy9020062

A LEA Gene from a Vietnamese Maize Landrace Can Enhance the Drought Tolerance of Transgenic Maize and Tobacco

1
Institute of Genome Research, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Street, Cau Giay District, Hanoi 100000, Vietnam
2
Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Street, Cau Giay District, Hanoi 100000, Vietnam
3
Maize Research Institute of Vietnam, Vietnam Academy of Agricultural Sciences, 229 Nguyen Thai Hoc Street, Dan Phuong District, Hanoi 100000, Vietnam
*
Author to whom correspondence should be addressed.
Received: 20 December 2018 / Revised: 28 January 2019 / Accepted: 29 January 2019 / Published: 31 January 2019
Full-Text   |   PDF [2426 KB, uploaded 31 January 2019]   |  

Abstract

Maize (Zea mays) is a major cereal crop worldwide, and there is increasing demand for maize cultivars with enhanced tolerance to desiccation. Late embryogenesis abundant (LEA) proteins group 5C is involved in plants’ responses to various osmotic stresses such as drought and salt. A putative group 5C LEA gene from Z. mays cv. Tevang 1 was isolated, named ZmLEA14tv, and cloned into a T-DNA for expression in plants. The deduced amino acid of ZmLEA14tv showed a conserved Pfam LEA_2 domain and a high proportion of hydrophobic residues, characteristic of group 5C LEA proteins. Transgenic tobacco and maize plants expressing ZmLEA14tv were generated. During drought simulation conditions, the ZmLEA14tv-expressing plants of tobacco showed improved recovery ability, while those of maize enhanced the seed germination in comparison with the non-transgenic control plants. In addition, the survival rate of ZmLEA14tv transgenic maize seedlings was twice as high as the control. These results indicated that ZmLEA14tv might be involved in the drought tolerance of plants and could be a candidate gene for developing enhanced drought-tolerant crops. View Full-Text
Keywords: drought tolerance; LEA; Tevang 1 maize; tobacco drought tolerance; LEA; Tevang 1 maize; tobacco
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
SciFeed

Share & Cite This Article

MDPI and ACS Style

Minh, B.M.; Linh, N.T.; Hanh, H.H.; Hien, L.T.T.; Thang, N.X.; Hai, N.V.; Hue, H.T.T. A LEA Gene from a Vietnamese Maize Landrace Can Enhance the Drought Tolerance of Transgenic Maize and Tobacco. Agronomy 2019, 9, 62.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Agronomy EISSN 2073-4395 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top