MdSWEET17, a sugar transporter in apple, enhances drought tolerance in tomato

Jing LU; Mei-hong Sun; Qi-jun MA; Hui KANG; Ya-jing LIU; Yu-jin HAO; Chun-xiang YOU

Journal of Integrative Agriculture (Sep 2019)

MdSWEET17, a sugar transporter in apple, enhances drought tolerance in tomato

Jing LU,
Mei-hong Sun,
Qi-jun MA,
Hui KANG,
Ya-jing LIU,
Yu-jin HAO,
Chun-xiang YOU

Affiliations

Jing LU: National Key Laboratory of Crop Biology, National Research Center for Apple Engineering and Technology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an 271018, P.R. China
Mei-hong Sun: Institute of Plant Biotechnology, College of Life Sciences, Shanghai Normal University, Shanghai 200234, P.R. China
Qi-jun MA: National Key Laboratory of Crop Biology, National Research Center for Apple Engineering and Technology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an 271018, P.R. China
Hui KANG: National Key Laboratory of Crop Biology, National Research Center for Apple Engineering and Technology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an 271018, P.R. China
Ya-jing LIU: National Key Laboratory of Crop Biology, National Research Center for Apple Engineering and Technology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an 271018, P.R. China
Yu-jin HAO: National Key Laboratory of Crop Biology, National Research Center for Apple Engineering and Technology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an 271018, P.R. China; Correspondence HAO Yu-jin
Chun-xiang YOU: National Key Laboratory of Crop Biology, National Research Center for Apple Engineering and Technology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an 271018, P.R. China; Correspondence YOU Chun-xiang

Journal volume & issue: Vol. 18, no. 9
pp. 2041 – 2051

Abstract

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Sugars are important energy source and signaling molecule in plant, and sugar transporters such as SWEET (sugars will eventually be exported transporters) play important roles in plant growth and development as well as biotic and abiotic stresses. In this study, a gene named MdSWEET17 was isolated from apple (Malus×domestic). Expression analysis suggested that MdSWEET17 expressed in all tested tissues (root, stem, leaf, flower and fruit) and the transcript levels were different. Furthermore, MdSWEET17 transgenic tomatoes and wild type were treated with drought. The results showed transgenic lines had higher drought tolerance and accumulated more fructose. Taken together, these findings indicated that MdSWEET17 take part in drought stress response and the regulation of fructose.

Published in Journal of Integrative Agriculture

ISSN: 2095-3119 (Print); 2352-3425 (Online)
Publisher: Elsevier
Country of publisher: Netherlands
LCC subjects: Agriculture: Agriculture (General)
Website: https://www.journals.elsevier.com/journal-of-integrative-agriculture

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