The role of gibberellins in the mitigation of chilling injury in cherry tomato (Solanum lycopersicum L.) fruit

Ding, Yang; Sheng, Jiping; Li, Shuying; Nie, Ying; Zhao, Jinhong; Zhu, Zheng; Wang, Zhidong; Tang, Xuanming

doi:10.1016/j.postharvbio.2014.12.001

Cited by 98 publications

(54 citation statements)

References 48 publications

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“…Our results on regulators influence on antioxidant enzyme activities of cashew apple, although, contradict those of Ding et al (2015), who found higher CAT and SOD activities in cherry tomatoes treated with GA3, and those of Mohamed et al (2014), who reported the preharvest GA3 treatment on 'Barhee' dates promoted CAT activity. Saeed et al (2014) also reported that exogenous GA3 application enhanced SOD activity during storage of cut gladiolus flower.…”

Section: Discussioncontrasting

confidence: 99%

“…GA3 effects on fruit firmness has been associated to a reduction in approximately 10% of LP degree of cherry tomatoes (Ding et al, 2015), contrasting with what was here reported for cashew apples, and to inhibition of PG activity in 'Barhee' dates (Mohamed et al, 2014). Although in the current research there was no significant difference between control and AVG treatment regarding fruit firmness, previous studies have demonstrated a positive effect of AVG on firmness of peach, apple and persimmon (Hawerroth et al, 2011;Yildiz et al, 2012;Brackmann et al, 2013).…”

Section: Discussioncontrasting

confidence: 91%

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Preharvest treatment of growth regulators influences postharvest quality and storage life of cashew apples

Souza

Viana

Oliveira

et al. 2016

Scientia Horticulturae

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Section: Discussioncontrasting

confidence: 99%

Section: Discussioncontrasting

confidence: 91%

Preharvest treatment of growth regulators influences postharvest quality and storage life of cashew apples

Souza

Viana

Oliveira

et al. 2016

Scientia Horticulturae

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“…It was shown that endogenous GA levels were positively associated with chilling stress tolerance: GA3 treatment increased chilling tolerance with decreased electrolyte leakage and malondialdehyde content, increased proline content, and improved antioxidant enzyme activities. Treatment with GA inhibitors exacerbated chilling injury (Ding et al, 2015). This may explain that in our study, we detected WRKY genes with GA inhibitor response of seedlings, and WRKY genes were also associated with seedling chilling tolerance in previous studies.…”

Section: Discussionsupporting

confidence: 68%

Brassinosteroid and gibberellin control of plant height in maize (Zea mays. L)

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Brassinosteroids (BRs) and gibberellins (GAs) are two major plant hormones involved in many plant developmental processes. However, the knowledge of BR and GA control of agronomic traits in maize is limited compared to model species Arabidopsis and rice, especially BR. This PhD project focused on BR and GA control of plant height from genetics and plant biology perspectives, as these two plant hormones have shown great impact for shaping plant height, and a short/tall stature of maize height is beneficial for grain/biomass production, respectively. We introgressed multiple exotic accessions into two maize heterotic groups Stiff Stalk and Non Stiff Stalk, with phenotype selection for taller plant height and undistinguishable flowering time as temperate elite lines. Finally, we created two backcross libraries varied with plant height and the level of heterozygosity. Moreover, another two doubled-haploid libraries were established without any phenotype selection as a comparison. We conducted genome-wide association studies to investigate plant height, BR and GA candidate genes, and explored co-localizations. In addition, we compared BR and GA control of plant height in heterozygotes (backcross families) and inbred lines (doubled haploid lines) by correlating seeding BR/GA inhibitor response with field plant height. We found that discovered plant height associated genomic regions were overlapped with BR and GA candidate genes. Moreover, we found that seedling stage BR and GA inhibitor response was able to predict plant height for heterozygotes, but not inbred lines. Path analyses showed that higher level of heterozygosity increased GA level, and GA promoted BR (by crosstalk), finally BR and GA will increase heterosis in maize plant height.

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“…The specific gene primers used for target genes and actin for qRT-PCR are shown in Table S1. Actin has been used as a reference gene in chilling-treated tomatoes4647484950. Changes in the mRNA level of target gene in each treatment were normalized against that of actin .…”

Section: Methodsmentioning

confidence: 99%

The sphingolipid biosynthetic enzyme Sphingolipid delta8 desaturase is important for chilling resistance of tomato

Zhou

Zeng

et al. 2016

Sci Rep

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The physiological functions of sphingolipids in animals have been intensively studied, while less attention has been paid to their roles in plants. Here, we reveal the involvement of sphingolipid delta8 desaturase (SlSLD) in the chilling resistance of tomato (Solanum lycopersicum cv. Micro-Tom). We used the virus-induced gene silencing (VIGS) approach to knock-down SlSLD expression in tomato leaves, and then evaluated chilling resistance. Changes in leaf cell structure under a chilling treatment were observed by transmission electron microscopy. In control plants, SlSLD was highly expressed in the fruit and leaves in response to a chilling treatment. The degree of chilling damage was greater in SlSLD-silenced plants than in control plants, indicating that SlSLD knock-down significantly reduced the chilling resistance of tomato. Compared with control plants, SlSLD-silenced plants showed higher relative electrolytic leakage and malondialdehyde content, and lower superoxide dismutase and peroxidase activities after a chilling treatment. Chilling severely damaged the chloroplasts in SlSLD-silenced plants, resulting in the disruption of chloroplast membranes, swelling of thylakoids, and reduced granal stacking. Together, these results show that SlSLD is crucial for chilling resistance in tomato.

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The role of gibberellins in the mitigation of chilling injury in cherry tomato (Solanum lycopersicum L.) fruit

Cited by 98 publications

References 48 publications

Preharvest treatment of growth regulators influences postharvest quality and storage life of cashew apples

Preharvest treatment of growth regulators influences postharvest quality and storage life of cashew apples

Brassinosteroid and gibberellin control of plant height in maize (Zea mays. L)

The sphingolipid biosynthetic enzyme Sphingolipid delta8 desaturase is important for chilling resistance of tomato

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