Effect of aluminum toxicity on flowering time and grain yield on rice genotypes differing in Al-tolerance

Kang, Dong-Jin; Seo, Young-Jin; Futakuchi, Koichi; Vijarnsorn, Pisoot; Ishii, Ryuichi

doi:10.1007/s12892-011-0056-9

Cited by 15 publications

(6 citation statements)

References 21 publications

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“…Dongin (japonica type) was not Al tolerant and Cd sensitive. It was reported that all japonica types of rice were equally sensitive to Al stress [ 35 ].…”

Section: Methodsmentioning

confidence: 99%

Cadmium Disrupts Subcellular Organelles, Including Chloroplasts, Resulting in Melatonin Induction in Plants

Lee

Back

2017

Molecules

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Cadmium is a well-known elicitor of melatonin synthesis in plants, including rice. However, the mechanisms by which cadmium induces melatonin induction remain elusive. To investigate whether cadmium influences physical integrities in subcellular organelles, we treated tobacco leaves with either CdCl2 or AlCl3 and monitored the structures of subcellular organelles—such as chloroplasts, mitochondria, and the endoplasmic reticulum (ER)—using confocal microscopic analysis. Unlike AlCl3 treatment, CdCl2 (0.5 mM) treatment significantly disrupted chloroplasts, mitochondria, and ER. In theory, the disruption of chloroplasts enabled chloroplast-expressed serotonin N-acetyltransferase (SNAT) to encounter serotonin in the cytoplasm, leading to the synthesis of N-acetylserotonin followed by melatonin synthesis. In fact, the disruption of chloroplasts by cadmium, not by aluminum, gave rise to a huge induction of melatonin in rice leaves, which suggests that cadmium-treated chloroplast disruption plays an important role in inducing melatonin in plants by removing physical barriers, such as chloroplast double membranes, allowing SNAT to gain access to the serotonin substrate enriched in the cytoplasm.

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“…Dongin (japonica type) was not Al tolerant and Cd sensitive. It was reported that all japonica types of rice were equally sensitive to Al stress [ 35 ].…”

Section: Methodsmentioning

confidence: 99%

Cadmium Disrupts Subcellular Organelles, Including Chloroplasts, Resulting in Melatonin Induction in Plants

Lee

Back

2017

Molecules

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“…The presence of three copies in tandem of ZmMATE1 in Cateto Al237 was associated with improved Al tolerance in maize (Maron et al., 2013) and the introgression of this three‐copy allele doubled Al tolerance in maize near‐isogenic lines (NILs) compared with the recurrent line, L53 (Guimaraes et al., 2014). Aluminum tolerance is advantageous for crop production on acid soils, as reported for rice ( Oryza sativa ; Kang et al., 2011), wheat ( Triticum aestivum ) and barley ( Hordeum L.; Tang et al., 2003), and sorghum ( Sorghum bicolor ; Carvalho et al., 2016). The presence of the Al‐tolerance allele of SbMATE increased grain yield by 0.5 ton ha –1 in sorghum hybrids compared with isogenic hybrids carrying the Al‐sensitive allele cultivated on acid soil, confirming that Al tolerance conferred by SbMATE is crucial for sorghum production on acid soil (Carvalho et al., 2016).…”

Section: Introductionmentioning

confidence: 93%

ZmMATE1 improves grain yield and yield stability in maize cultivated on acid soil

Vasconcellos

Mendes²,

Oliveira

et al. 2021

Crop Science

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The development of aluminum (Al)-tolerant cultivars is a complementary strategy to overcome the constraints caused by Al toxicity on acid soils and can contribute positively to the food supply for the growing global population. A major Al tolerance quantitative trait locus in maize is controlled by a citrate transporter encoded by ZmMATE1. Our goal was to evaluate the impact of the superior allele of ZmMATE1 on the yield performance of maize lines and hybrids cultivated on acid soils. Near-isogenic lines carrying the superior allele of ZmMATE1, and the recurrent Al-sensitive parent were crossed with elite lines, generating near-isogenic hybrids contrasting for these alleles. All maize genotypes carrying this superior allele were more Al tolerant in nutrient solution than their isogenic counterparts having the ZmMATE1 allele derived from the Al-sensitive parent. These genotypes were cultivated in control and Al stress soils for 2 yr. Aluminum toxicity caused a significant yield reduction of 18.7% for lines and 14.7% for hybrids over the 2 yr. The yield performance of maize genotypes declined in the second year compared with the first year, probably due to water deficiency after the grain-filling stage. The superior allele of ZmMATE1 in maize hybrids conferred yield gains from 21 to 48% compared with the hybrids harboring the alternative allele in the Al stress soil in the first and second years, respectively. As this superior allele is rare in maize and is likely absent in several elite germplasms, molecular breeding based on ZmMATE1 can improve maize yield stability on acid soils.

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“…It was caused by the genetic factor of each genotype and each genotype has different growth potency. Kang et al, (2011) stated that the tolerant genotype to Al will lead the distribution of photosynthate more to root zone for increasing the root ability to absorb the minerals in stress condition and can adapt in a high level of Al concentration. There was a mechanism in root for suppressing the bad effect of Al so that it can't disturb the nutrients absorption and water even can make them efficient.…”

Section: Height and Length Of Leaves Of The Plantmentioning

confidence: 99%

Aluminium stress examination of Pasaman local brown rice genotypes in early phase

Dwipa

2019

JERAMI Indonesian J. Crop Sci.

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One of brown rice resistance is tolerant to Aluminium stress. The research was conducted in Seed Technology Laboratory and shade net house of Faculty of Agriculture, Andalas University form March to June 2017. The research aimed to study the tolerance of 6 Pasaman brown rice genotypes to Al stress. Factorial design in Completely Randomized Design was used in this research. The first factor was brown rice genotypes, Sigambiri,LadangTalamau, SikarojukSilomlomPulen and Perbatasan. The second factor was AlCl3 doses, 0 ppm, 5 ppm, 10 ppm, 15 ppm and 20 ppm. The data was analysed by F test and extended by Duncan’s New Multiple Range Test in 5%. The result showed that there was interaction between Al concentration and 6 brown rice genotypes for height of plant, length of leaves. Based on tolerance level, all genotypes were grouped to Moderate-Tolerant level.

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Effect of aluminum toxicity on flowering time and grain yield on rice genotypes differing in Al-tolerance

Cited by 15 publications

References 21 publications

Cadmium Disrupts Subcellular Organelles, Including Chloroplasts, Resulting in Melatonin Induction in Plants

Cadmium Disrupts Subcellular Organelles, Including Chloroplasts, Resulting in Melatonin Induction in Plants

ZmMATE1 improves grain yield and yield stability in maize cultivated on acid soil

Aluminium stress examination of Pasaman local brown rice genotypes in early phase

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