Overaccumulation of glycine betaine makes the function of the thylakoid membrane better in wheat under salt stress

Tian, Fei; Wang, Wenqiang; Liang, Chaozhao; Wang, Xin; Wang, Guiping; Wang, Wei

doi:10.1016/j.cj.2016.05.008

Cited by 89 publications

(52 citation statements)

References 26 publications

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“…GB accumulation can enhance PS II activity, protect D1 proteins, and strengthen assimilation of CO 2 under salt stress (Chen & Murata, ). Moreover, GB is involved in membrane protection under salt stress (Tian et al, ) and can alleviate lipid peroxidation under stress (Wang, Ding, Zuo, Gao, & Fan, ). GB plays critical roles in stabilising protein quaternary structure and a highly ordered membrane state (Sakamoto & Murata, ).…”

Section: Introductionmentioning

confidence: 99%

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Up‐regulation of lipid metabolism and glycine betaine synthesis are associated with choline‐induced salt tolerance in halophytic seashore paspalum

Gao

Zhang

et al. 2019

Plant Cell & Environment

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Choline may affect salt tolerance by regulating lipid and glycine betaine (GB) metabolism. This study was conducted to determine whether alteration of lipid profiles and GB metabolism may contribute to choline regulation and genotypic variations in salt tolerance in a halophytic grass, seashore paspalum (Paspalum vaginatum). Plants of Adalayd and Sea Isle 2000 were subjected to salt stress (200‐mM NaCl) with or without foliar application of choline chloride (1 mM). Genotypic variations in salt tolerance and promotive effects of choline application on salt tolerance were associated with both the up‐regulation of lipid metabolism and GB synthesis. The genotypic variations in salt tolerance associated with lipid metabolism were reflected by the differential accumulation of phosphatidylcholine and phosphatidylethanolamine between Adalayd and Sea Isle 2000. Choline‐induced salt tolerance was associated with of the increase in digalactosyl diacylglycerol (DGDG) content including DGDG (36:4 and 36:6) in both cultivars of seashore paspalum and enhanced synthesis of phosphatidylinositol (34:2, 36:5, and 36:2) and phosphatidic acid (34:2, 34:1, and 36:5), as well as increases in the ratio of digalactosyl diacylglycerol: monogalactosyl diacylglycerol (DGDG:MGDG) in salt‐tolerant Sea Isle 2000. Choline regulation of salt tolerance may be due to the alteration in lipid metabolism in this halophytic grass species.

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Section: Introductionmentioning

confidence: 99%

“…Moreover, GB is involved in membrane protection under salt stress (Tian et al, 2017) and can alleviate lipid peroxidation under stress (Wang, Ding, Zuo, Gao, & Fan, 2016). GB plays critical roles in stabilising protein quaternary structure and a highly ordered membrane state (Sakamoto & Murata, 2002).…”

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confidence: 99%

Up‐regulation of lipid metabolism and glycine betaine synthesis are associated with choline‐induced salt tolerance in halophytic seashore paspalum

Gao

Zhang

et al. 2019

Plant Cell & Environment

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“…Furthermore, as reported previously, the proline and glycine betaine have increased in response to salinity in the date palm as well as in other plant species [69], where they play a pivotal role in mitigating NaCl-induced K + efflux [70], and have a direct protective role for membrane integrity as an osmoprotectant under salt stress and other environmental stresses [71][72][73], as well as they have an indirect protective role through participating in signal transduction pathways [74]. It was previously reported that the accumulation of glycine betaine in the transgenic lines of wheat under salinity enhanced thylakoid membrane integrity and components resulted in higher photosynthesis [75].…”

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confidence: 99%

Comparative Water Relations of Two Contrasting Date Palm Genotypes under Salinity

Kharusi

Sunkar

Al-Yahyai

et al. 2019

International Journal of Agronomy

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Salinity is a global agricultural problem, resulting in a significant reduction in the plantation areas and the crop yields, especially in arid and semiarid regions. The date palm is relatively salt-tolerant plant species, although the nature of salt tolerance is poorly understood. In this study, the salt stress responses of a salt-tolerant “Umsila” was compared with salt-susceptible “Zabad” date palm cultivars. Various physiological parameters, plant-water relations, and anatomical characteristics were analyzed. The results revealed that although salinity has negatively affected both cultivars, Umsila exhibited more stable photosynthesis than Zabad as reflected by the quantum yield (Qy) and the stomatal conductance (GS). Similarly, Umsila showed a more dynamic root system and efficient water relations than Zabad as demonstrated by the leaf water potential (LWP) and relative water content (RWC) during salinity. Umsila also accumulated greater abundances of soluble sugars, potassium (K+), calcium (Ca+2), proline, glycine betaine, and lignin and formed extra layers of Casparian strips in the root tissues when the seedlings were grown under saline conditions. Together, the results obtained from this study have offered some insights into the salt tolerance mechanisms in the date palm.

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“…The occurrence of these motifs may connote the ability of gene to survive/acclimatize or the participation or need for glycine betaine during high/low temperature stress condtions. Li et al, (2015); Tian et al, (2017) also reported the function of glycine betaine in maintaining photosynthetic activity under stress conditions. Sulphur is a fundamental nutrient that is necessary for ontogenesis and plant yield (Hopkins, 1999) found in SbBADH2, ZtBADH1, and AhBADH1.…”

Section: Resultsmentioning

confidence: 99%

In-silico identification of cis- acting regulatory elements in 5’ regulatory region of Betaine aldehyde dehydrogenase isoenzymes of selected monocot and dicot

2018

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It's challenging to understand the multifarious gene regulatory networks. Diverse biological processes, are mostly conferred by nature of cis-acting regulatory elements (CARE) located within the regulatory region which include abiotic stress responses, hormone responses and developmental processes. Thus, the identification of CARE and their organization is a crucial step for better understanding of spatiotemporal expression of the gene. The putative cis-acting element that are located within the 5' regulatory region of BADH isozymes of Hordeum vulgare , Oryza sativa, Sorghum bicolor, Leymus chinensis, Zoysia tenuifolia, Arabidopsis thaliana, Amaranthus hypochondriacus, Chrysanthemum lavandulifolium, Populus euphratica and Atriplex prostrate were identified using bioinformatics tools. Several probable cis-acting regulatory elements that are coupled with cellular development, hormonal and stress response were identified as: Me-JA, GARE, GT-1, MYB, W-box, I-box, Pyrimidine-box, ANAERO, ARF, CARE, ASF1, SORLIP, SURE, TAAAGSTKST1, GCC Box, CICADIAN, Sp1 and CGCG Box. These results shed light on probable cis-acting regulatory elements these BADH isoenzyme that confer their expression and regulation during cellular, hormonal and stress response.

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Overaccumulation of glycine betaine makes the function of the thylakoid membrane better in wheat under salt stress

Cited by 89 publications

References 26 publications

Up‐regulation of lipid metabolism and glycine betaine synthesis are associated with choline‐induced salt tolerance in halophytic seashore paspalum

Up‐regulation of lipid metabolism and glycine betaine synthesis are associated with choline‐induced salt tolerance in halophytic seashore paspalum

Comparative Water Relations of Two Contrasting Date Palm Genotypes under Salinity

In-silico identification of cis- acting regulatory elements in 5’ regulatory region of Betaine aldehyde dehydrogenase isoenzymes of selected monocot and dicot

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