Molecular physiology for the increase of soluble sugar accumulation in citrus fruits under drought stress

Copyright © 2023 Elsevier Masson SAS. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 203(2023) vom: 01. Okt., Seite 108056
1. Verfasser: Khan, Muhammad Abbas (VerfasserIn)
Weitere Verfasser: Liu, Dong-Hai, Alam, Shariq Mahmood, Zaman, Fatima, Luo, Yin, Han, Han, Ateeq, Muhammad, Liu, Yong-Zhong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Journal Article Citrus fruit Drought stress Juice sacs Segment membrane Sugar metabolism Sugars beta-Fructofuranosidase EC 3.2.1.26 Carbohydrates mehr... Sucrose 57-50-1 Membrane Transport Proteins Monosaccharides
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100 1 |a Khan, Muhammad Abbas  |e verfasserin  |4 aut 
245 1 0 |a Molecular physiology for the increase of soluble sugar accumulation in citrus fruits under drought stress 
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520 |a To investigate the mechanism for drought promoting soluble sugar accumulation will be conducive to the enhancement of citrus fruit quality as well as stress tolerance. Fruit sucrose mainly derives from source leaves. Its accumulation in citrus fruit cell vacuole involves in two processes of unloading in the fruit segment membrane (SM) and translocating to the vacuole of fruit juice sacs (JS). Here, transcript levels of 47 sugar metabolism- and transport-related genes were compared in fruit SM or JS between drought and control treatments. Results indicated that transcript levels of cell wall invertase genes (CwINV2/6) and sucrose synthase genes (SUS2/6) in the SM were significantly increased by the drought. Moreover, transcript levels of SWEET genes (CsSWEET1/2/4/5/9) and monosaccharide transporter gene (CsPMT3) were significantly increased in SM under drought treatment. On the other hand, SUS1/3 and vacuolar invertase (VINV) transcript levels were significantly increased in JS by drought; CsPMT4, sucrose transporter gene 2 (CsSUT2), tonoplast monosaccharide transporter gene 2 (CsTMT2), sugar transport protein gene 1 (CsSTP1), two citrus type I V-PPase genes (CsVPP1, and CsVPP2) were also significantly increased in drought treated JS. Collectively, the imposition of drought stress resulted in more soluble sugar accumulation through enhancing sucrose download by enhancing sink strength- and transport ability-related genes, such as CwINV2/6, SUS2/6, CsSWEET1/2/4/5/9, and CsPMT3, in fruit SM, and soluble sugar storage ability by increasing transcript levels of genes, such as CsPMT4, VINV, CsSUT2, CsTMT2, CsSTP1, CsVPP1, and CsVPP2, in fruit JS 
650 4 |a Journal Article 
650 4 |a Citrus fruit 
650 4 |a Drought stress 
650 4 |a Juice sacs 
650 4 |a Segment membrane 
650 4 |a Sugar metabolism 
650 7 |a Sugars  |2 NLM 
650 7 |a beta-Fructofuranosidase  |2 NLM 
650 7 |a EC 3.2.1.26  |2 NLM 
650 7 |a Carbohydrates  |2 NLM 
650 7 |a Sucrose  |2 NLM 
650 7 |a 57-50-1  |2 NLM 
650 7 |a Membrane Transport Proteins  |2 NLM 
650 7 |a Monosaccharides  |2 NLM 
700 1 |a Liu, Dong-Hai  |e verfasserin  |4 aut 
700 1 |a Alam, Shariq Mahmood  |e verfasserin  |4 aut 
700 1 |a Zaman, Fatima  |e verfasserin  |4 aut 
700 1 |a Luo, Yin  |e verfasserin  |4 aut 
700 1 |a Han, Han  |e verfasserin  |4 aut 
700 1 |a Ateeq, Muhammad  |e verfasserin  |4 aut 
700 1 |a Liu, Yong-Zhong  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Plant physiology and biochemistry : PPB  |d 1991  |g 203(2023) vom: 01. Okt., Seite 108056  |w (DE-627)NLM098178261  |x 1873-2690  |7 nnns 
773 1 8 |g volume:203  |g year:2023  |g day:01  |g month:10  |g pages:108056 
856 4 0 |u http://dx.doi.org/10.1016/j.plaphy.2023.108056  |3 Volltext 
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