Evaluation of a Rapid Method for Screening Heat Stress Tolerance Using Three Korean Wheat (<i>Triticum aestivum</i> L.) Cultivars

Truong, Hai An; Jeong, Chan Young; Lee, Won Jae; Lee, Byeong Cheol; Chung, Namhyun; Kang, Chon Sik; Cheong, Young Keun; Hong, Suk Whan; Lee, Hojoung

doi:10.1021/acs.jafc.7b01752

Cited by 14 publications

(14 citation statements)

References 42 publications

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“…Three-week-old plants were challenged with 0 or 300 mM NaCl for 8 days, and the rosette leaves were collected and used. The assay was performed according to the previous study (Truong et al, 2017). Samples were homogenized using 0.1% (w/v) trichloroacetic acid (TCA) and centrifuged at 12,000 rpm, 4 • C for 15 min.…”

Section: Lipid Peroxidation Assaymentioning

confidence: 99%

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Overexpression of the HDA15 Gene Confers Resistance to Salt Stress by the Induction of NCED3, an ABA Biosynthesis Enzyme

et al. 2021

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Salt stress constitutes a major form of abiotic stress in plants. Histone modification plays an important role in stress tolerance, with particular reference to salt stress resistance. In the current study, we found that HDA15 overexpression confers salt stress resistance to young seedling stages of transgenic plants. Furthermore, salt stress induces HDA15 overexpression. Transcription levels of stress-responsive genes were increased in transgenic plants overexpressing HDA15 (HDA15 OE). NCED3, an abscisic acid (ABA) biosynthetic gene, which is highly upregulated in HDA15 transgenic plants, enhanced the accumulation of ABA, which promotes adaptation to salt stress. ABA homeostasis in HDA15 OE plants is maintained by the induction of CYP707As, which optimize endogenous ABA levels. Lastly, we found that the double-mutant HDA15 OE/hy5 ko plants are sensitive to salt stress, indicating that interaction between HDA15 and ELONGATED HYPOCOTYL 5 (HY5) is crucial to salt stress tolerance shown by HDA15 OE plants. Thus, our findings indicate that HDA15 is crucial to salt stress tolerance in Arabidopsis.

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Section: Lipid Peroxidation Assaymentioning

confidence: 99%

“…Rosette leaves were sampled and used for this assay. The assay was performed according to a previous study (Truong et al, 2017). Samples were homogenized in 3% aqueous sulfosalicylic acid and the supernatant was collected after centrifugation at 12,000 rpm for 10 min.…”

Section: Proline Contentmentioning

confidence: 99%

Overexpression of the HDA15 Gene Confers Resistance to Salt Stress by the Induction of NCED3, an ABA Biosynthesis Enzyme

et al. 2021

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“…Proline accumulation, which is involved in cellular osmoregulation and protection of cellular structures against increased temperatures by cell water balance conservation and stabilization of biological membranes, is an important adaptive response in crops exposed to high temperatures (Wahid et al 2007, Bita andGerats 2013). Accumulation of proline has been reported to increase in response to heat stress in wheat genotypes (Dhyani et al 2013, Truong et al 2017.…”

Section: Introductionmentioning

confidence: 99%

Photosynthetic and yield performance of wild barley (Hordeum vulgare ssp. spontaneum) under terminal heat stress

Bahrami¹,

Arzani²,

Rahimmalek³

2019

Photosynt.

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Terminal heat stress is one of the major constraints of cereal production. A two-year field investigation was performed to assess the response of Hordeum vulgare ssp. spontaneum genotypes to terminal heat stress using gas-exchange parameters, photosystem efficiency, proline accumulation, cell membrane leakage, and grain yield traits. Results of analysis of variance revealed the significant effects of heat stress (E), genotype (G), and G × E on the studied traits. The results of linear regression analysis showed that yield loss was inversely correlated with the maximum quantum yield of PSII photochemistry (Fv/Fm) and chlorophyll content. Path-coefficient analysis revealed that high Chl contents were either directly related to the grain yield or indirectly through the higher net photosynthetic rate and higher Fv/Fm values under high temperatures at the reproductive growth stage. Overall, the adapted wild genotypes exhibited physiological mechanisms capable of sustainable maintaining their yield capacity and plasticity flow, which could be exploited by crossing with cultivated barley to introgress heat tolerance.

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“…Several studies related to higher or lower temperature treatments in in vitro plants had been conducted. Truong et al, (2017) reported that treatments of high temperature at 45 o C at 4day-old seedling of several wheat cultivars for 20 h had the highest survival rates, which means that those cultivars might be candidates of heat tolerant cultivars. An and Zhang (2012) also reported that different low temperaturetreated cassava apical shoots for 0, 4 and 9 h had different performances and genetic profiling changes, which means they responded to cold stress.…”

Section: Discussionmentioning

confidence: 99%

Growth and Proline Content of Irradiated in Vitro Shoots of Ubi Kuning Cassava Genotype Cultured at Different Temperatures

Supatmi¹,

Rahman²,

Hartati³

2018

Ann Bogor

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Cassava (Manihot esculenta) is an important crop to food security under climate change due to its various tolerance mechanism under stress conditions. However, the sustainable growth of cassava in the field depends on many factors especially temperature. The objective of the research was to investigate the growth performances and proline contents of irradiated Ubi Kuning at dosage of 10 Gy, cultured in Murashige Skoog (MS) hormone-free solid medium for 4 weeks at three different temperature treatments i.e 25oC, 28oC and 30oC. Each treatment consisted of 3 clone explants with 5 replicates. Results show that growth performances of irradiated plantlets were better compared to that of non-irradiated plantlets in terms of plant height and number of leaves at all temperature tested. The best growth performances were obtained from irradiated plantlets grown under 30oC. The proline content of irradiated Ubi Kuning was high when they were grown under 25 oC and 30oC, implying that these plantlets had the possibility to tolerant to lower and higher-temperature condition. This study is initially useful to find out the growth ability of irradiated Ubi Kuning in response to lower and higher temperature.

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Evaluation of a Rapid Method for Screening Heat Stress Tolerance Using Three Korean Wheat (Triticum aestivum L.) Cultivars

Cited by 14 publications

References 42 publications

Overexpression of the HDA15 Gene Confers Resistance to Salt Stress by the Induction of NCED3, an ABA Biosynthesis Enzyme

Overexpression of the HDA15 Gene Confers Resistance to Salt Stress by the Induction of NCED3, an ABA Biosynthesis Enzyme

Photosynthetic and yield performance of wild barley (Hordeum vulgare ssp. spontaneum) under terminal heat stress

Growth and Proline Content of Irradiated in Vitro Shoots of Ubi Kuning Cassava Genotype Cultured at Different Temperatures

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