Expressions and Responses to Abiotic Stresses and Plant Growth Regulator of Tomato<i> GT</i>-1

CUI Baolu; CHEN Zhongping; SUN Tingting; LONG Junlin; WANG Xianxia; ZENG Sijin; SHI Yiran

doi:10.19303/j.issn.1008-0384.2023.02.003

Volume 38 Issue 2

Feb. 2023

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Article Navigation > Fujian Journal of Agricultural Sciences > 2023 > 38(2): 144-150

CUI B L, CHEN Z P, SUN T T, et al. Expressions and Responses to Abiotic Stresses and Plant Growth Regulator of Tomato GT-1 [J]. Fujian Journal of Agricultural Sciences，2023，38（2）：144−150 doi: 10.19303/j.issn.1008-0384.2023.02.003

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CUI B L, CHEN Z P, SUN T T, et al. Expressions and Responses to Abiotic Stresses and Plant Growth Regulator of Tomato GT-1 [J]. Fujian Journal of Agricultural Sciences，2023，38（2）：144−150 doi: 10.19303/j.issn.1008-0384.2023.02.003

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Expressions and Responses to Abiotic Stresses and Plant Growth Regulator of Tomato GT-1

doi: 10.19303/j.issn.1008-0384.2023.02.003

1.
Jiujiang University, Jiujiang, Jiangxi　332000, China
2.
Qiannan Normal University for Nationalities, Duyun, Guizhou　558000, China

Received Date: 2022-02-17
Accepted Date: 2022-02-17
Rev Recd Date: 2022-11-04

Available Online: 2023-04-14

Publish Date: 2023-02-28

Abstract

Abstract

Objective Genetic information and functions of trihelix factors in GT-1 critical to the growth, development, and resistance to abiotic stresses and plant growth regulator of tomato plants were investigated. Method Bioinformatic techniques were applied to decipher the bio-evolutionary of GT-1 in tomato. RT-PCR was used to determine the expressions and responses to abiotic stresses and plant growth regulator of the gene. Result (1) In tomato, GT-1 had 3 subfamily members, i.e., SlGT-21, SlGT-24, and SlGT-35. The evolutionary analysis indicated that those members differentiated functionally. (2) The 3 subfamily genes expressed in all tested tomato tissues with the highest level in the fruits, especially during the growing stage. It was speculated that SlGT-21 and SlGT-35 might share some common functionalities. (3) All 3 genes, particularly SlGT-24, could be suppressed by dehydration, and SlGT-21 and SlGT-35 more severely affected by salt stress. (4) The expressions of these genes were inhibited by GA(Gibberellin), EBR(Epihomobrassinolide), and MeJA (Methyl jasmonate); but those of SlGT-24 induced by ABA (Abscisic acid) and ACC(1-Aminocyclopropanecarboxylic acid), and SlGT-35 by ABA. Conclusion Three GT-1 subfamily genes of tomato plants could be regulated by salt and/or dehydration stresses and were sensitive to hormonal stimulations.
- Solanum lycopersicom,
- GT-1 genes,
- expression,
- abiotic stress,
- Plant growth regulator treatments

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References(21)

References

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