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Hotta, Yasushi; Tanaka, Tohru; Takaoka, Hideo; Takeuchi, Yoshinori; Konnai, Makoto

doi:10.1023/a:1005883930727

Cited by 140 publications

(45 citation statements)

References 15 publications

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“…Exogenously applied ALA may cause the accumulation of chlorophyll, leading to a higher rate of photosynthesis and plant growth. Hotta et al 14) showed that pothos (Epipremnum aureus) treated with ALA induced the accumulation of chlorophyll. The phycocyanin and chlorophyll contents of Spirulina platensis cells increased when ALA was added to the culture medium, 38) and the chlorophyll content in Vigna catjung, V. mungo, and V. radiata also increased when ALA was applied.…”

Section: Effects Of Ala Pretreatment On Total Chlorophyll Contents Inmentioning

confidence: 99%

“…Fukuchiwhite) increased 10-60% over the control when treating with ALA at concentrations lower than those eliciting herbicidal responses. 14) Moreover, the amelioration of some environmental stresses by ALA has also been reported. [15][16][17] The resistance to cold stress in rice seedlings 15) and salt tolerance in cotton 16) and spinach 17) increased after ALA treatment.…”

Section: Introductionmentioning

confidence: 98%

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Mechanism of growth amelioration of NaCl-stressed rice (Oryza sativa L.) by .DELTA.-aminolevulinic acid

2009

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The mechanism of growth amelioration of NaCl-stressed rice (Oryza sativa L. cv. Nipponbare) by d-aminolevulinic acid (ALA) was investigated. Rice growth recovered when plants were pretreated with 0.1 or 1 mM ALA before treatment with 50 mM NaCl. There was no increase in chlorophyll content by ALA treatment, indicating that the growth recovery was not due to increased chlorophyll content although ALA is a precursor of chlorophyll biosynthesis. The activities of antioxidative enzymes, including catalase (CAT), glutathione reductase (GR), ascorbate peroxidase (APx), and superoxide dismutase (SOD), increased with ALA treatment. In particular, stimulation of CAT, GR, and APx activities by ALA was significant. The hydrogen peroxide (H 2 O 2 ) content decreased after ALA treatment under NaCl-stress conditions. Peroxidation of membrane lipids, as measured by ethane evolution, also decreased after ALA treatment. These results suggest that ALA induces growth amelioration in NaCl-stressed rice by stimulating antioxidative enzyme activity, which resulted in decreased reactive oxygen generation and lipid peroxidation.

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Section: Effects Of Ala Pretreatment On Total Chlorophyll Contents Inmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Mechanism of growth amelioration of NaCl-stressed rice (Oryza sativa L.) by .DELTA.-aminolevulinic acid

2009

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“…1 1.12) Also, we found that the application of ALA with 0.18-0.6111M by foliar spray increased fixation of CO 2 in light and suppressed release of CO 2 in darkness. 12 ChI and phycocyanin synthesis in the cell of the blue-green algae, Spirulina platensis. 17) These reports are consistent with the promotive effects of ALA on the growth and yield of plants.…”

Section: )mentioning

confidence: 99%

“…The suppression of CO 2 release due to ALA on radish 12) is not well understood. Photosystem n activity was reduced by 50<Yo on cucumbers with a high concentration of ALA (20 mM).…”

Section: )mentioning

confidence: 99%

New Physiological Effects of 5-Aminolevulinic Acid in Plants: The Increase of Photosynthesis, Chlorophyll Content, and Plant Growth

Hotta

Tanaka

Takaoka

et al. 1997

Bioscience, Biotechnology, and Biochemistry

135

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“…[2][3][4] We have recently found that ALA, the key precursor in the biosynthesis of porphyrins, increased plant growth and yield at low concentrations, i.e., less than 1.8 mM (300 ppm) by foliar treatment, and less than 60 uM (10 ppm) by root-soaking treatment.5, 6> In rice seedlings, ALA at 0.1-1.0 ppm by root-soaking treatment increased the dry weight of seedlings to 111-114%.5) These promotive effects may be induced through the increased chlorophyll content, enhanced photosynthetic activity, and the inhibition of respiration by ALA treatment. 7) Therefore, we examined whether ALA increased cold resistance and prevented cold injury in rice seedlings. Protective effects of abscisic acid (ABA) and brassinolide (BR) against cold stress are also reported.…”

Section: Introductionmentioning

confidence: 99%

Improvement of Cold Resistance in Rice Seedlings by 5-Aminolevulinic Acid

Hotta¹,

Tanaka²,

Luo

et al. 1998

J. Pestic. Sci.

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5-Aminolevulinic acid (ALA) at low concentrations increased cold resistance in rice seedlings. The pretreatment of rice seedlings by root-soaking with ALA solution at 0.1-1 ppm reduced the ratio of leaf rolling and electrolyte leakage from leaf tissue after cold treatment. Thirty days after cold treatment at 5C for 5 days, the plants treated with 1 ppm ALA resulted in 85% survival ratio, 6.1 leaves per plant and 111.8 mg dry weight per aerial part of seedling, while 65%, 5.9 and 65.0 mg respectively in the control plants. The dry weight of seedlings treated with ALA increased 1.7 folds as compared to the control plants. These results are the first evidence that ALA has protective effects against cold stress in rice seedlings. Abscisic acid (ABA) and brassinolide (BR) also increased the cold resistance in our bioassay system. Protective effect of BR at 0.001 ppm against cold stress was similar to that of ALA. However, protective effect of ABA was different from that of ALA in terms of the ratio of leaf rolling after cold stress. ABA protected young leaves rather than old ones, while ALA and BR were more effective on the protection of old leaves.

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Cited by 140 publications

References 15 publications

Mechanism of growth amelioration of NaCl-stressed rice (Oryza sativa L.) by .DELTA.-aminolevulinic acid

Mechanism of growth amelioration of NaCl-stressed rice (Oryza sativa L.) by .DELTA.-aminolevulinic acid

New Physiological Effects of 5-Aminolevulinic Acid in Plants: The Increase of Photosynthesis, Chlorophyll Content, and Plant Growth

Improvement of Cold Resistance in Rice Seedlings by 5-Aminolevulinic Acid

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