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  • Wiley  (6)
  • Biodiversity Research  (6)
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  • Wiley  (6)
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  • Biodiversity Research  (6)
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  • 1
    In: Plant Breeding, Wiley, Vol. 131, No. 2 ( 2012-04), p. 267-275
    Type of Medium: Online Resource
    ISSN: 0179-9541
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2012
    detail.hit.zdb_id: 2020488-7
    SSG: 12
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  • 2
    Online Resource
    Online Resource
    Wiley ; 2013
    In:  Bioelectromagnetics Vol. 34, No. 6 ( 2013-09), p. 437-442
    In: Bioelectromagnetics, Wiley, Vol. 34, No. 6 ( 2013-09), p. 437-442
    Abstract: The influence of the geomagnetic field‐removed environment on Arabidopsis growth was investigated by cultivation of the plants in a near‐null magnetic field and local geomagnetic field (45 µT) for the whole growth period under laboratory conditions. The biomass accumulation of plants in the near‐null magnetic field was significantly suppressed at the time when plants were switching from vegetative growth to reproductive growth compared with that of plants grown in the local geomagnetic field, which was caused by a delay in the flowering of plants in the near‐null magnetic field. At the early or later growth stage, no significant difference was shown in the biomass accumulation between the plants in the near‐null magnetic field and local geomagnetic field. The average number of siliques and the production of seeds per plant in the near‐null magnetic field was significantly lower by about 22% and 19%, respectively, than those of control plants. These resulted in a significant reduction of about 20% in the harvest index of plants in the near‐null magnetic field compared with that of the controls. These results suggest that the removal of the local geomagnetic field negatively affects the reproductive growth of Arabidopsis , which thus affects the yield and harvest index. Bioelectromagnetics. 34:437–442. © 2013 Wiley Periodicals, Inc.
    Type of Medium: Online Resource
    ISSN: 0197-8462 , 1521-186X
    URL: Issue
    RVK:
    Language: English
    Publisher: Wiley
    Publication Date: 2013
    detail.hit.zdb_id: 2001228-7
    SSG: 12
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  • 3
    Online Resource
    Online Resource
    Wiley ; 2015
    In:  Bioelectromagnetics Vol. 36, No. 6 ( 2015-09), p. 476-479
    In: Bioelectromagnetics, Wiley, Vol. 36, No. 6 ( 2015-09), p. 476-479
    Abstract: We previously reported that a near‐null magnetic field suppressed Arabidopsis flowering in white light, which might be related to the function modification of cryptochrome (CRY). To further demonstrate that the effect of near‐null magnetic field on Arabidopsis flowering is associated with CRY, Arabidopsis wild type and CRY mutant plants were grown in the near‐null magnetic field under blue or red light with different light cycle and photosynthetic photon flux density. We found that Arabidopsis flowering was significantly suppressed by near‐null magnetic field in blue light with lower intensity (10 µmol/m 2 /s) and shorter cycle (12 h period: 6 h light/6 h dark). However, flowering time of CRY1/CRY2 mutants did not show any difference between plants grown in near‐null magnetic field and in local geomagnetic field under detected light conditions. In red light, no significant difference was shown in Arabidopsis flowering between plants in near‐null magnetic field and local geomagnetic field under detected light cycles and intensities. These results suggest that changes of blue light cycle and intensity alter the effect of near‐null magnetic field on Arabidopsis flowering, which is mediated by CRY. Bioelectromagnetics. 36:476–479, 2015. © 2015 Wiley Periodicals, Inc.
    Type of Medium: Online Resource
    ISSN: 0197-8462 , 1521-186X
    URL: Issue
    RVK:
    Language: English
    Publisher: Wiley
    Publication Date: 2015
    detail.hit.zdb_id: 2001228-7
    SSG: 12
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  • 4
    Online Resource
    Online Resource
    Wiley ; 2018
    In:  Bioelectromagnetics Vol. 39, No. 1 ( 2018-01), p. 15-24
    In: Bioelectromagnetics, Wiley, Vol. 39, No. 1 ( 2018-01), p. 15-24
    Abstract: We previously found that flowering of Arabidopsis was suppressed by near‐null magnetic field, which was related to cryptochrome. Auxin plays an important role in Arabidopsis flowering. To test whether auxin is involved in the suppression of Arabidopsis flowering by near‐null magnetic field, we detected auxin level and expressions of auxin transport and signaling genes in wild‐type Arabidopsis plants and cryptochrome double mutant, cry1/cry2, grown in near‐null magnetic field. We found that indole‐3‐acetic acid (IAA) level in roots of wild‐type plants in near‐null magnetic field was significantly increased compared with the local geomagnetic field control, while IAA level in rosettes of 33‐day‐old wild‐type plants in near‐null magnetic field was significantly lower than the control. Expressions of three auxin transporter genes, PIN1, PIN3, and PIN7, in wild‐type plants were upregulated by near‐null magnetic field. Transcript levels of transcriptional repressor genes, IAA1, IAA5, IAA6, IAA16, and IAA19, were significantly higher in wild‐type plants in near‐null magnetic field than in control plants. However, IAA level and expressions of all the detected genes in cry1/cry2 mutants in near‐null magnetic field were similar to controls. Our results suggest that near‐null magnetic field affects the distribution of auxin in Arabidopsis by transcriptional upregulation of auxin transporter genes, and that change in distribution of auxin and increased expressions of transcriptional repressor genes result in delay of flowering in Arabidopsis in near‐null magnetic field, which are mediated by cryptochrome. Bioelectromagnetics. 39:15–24, 2018. © 2017 Wiley Periodicals, Inc.
    Type of Medium: Online Resource
    ISSN: 0197-8462 , 1521-186X
    URL: Issue
    RVK:
    Language: English
    Publisher: Wiley
    Publication Date: 2018
    detail.hit.zdb_id: 2001228-7
    SSG: 12
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  • 5
    Online Resource
    Online Resource
    Wiley ; 2021
    In:  Bioelectromagnetics Vol. 42, No. 7 ( 2021-10), p. 593-602
    In: Bioelectromagnetics, Wiley, Vol. 42, No. 7 ( 2021-10), p. 593-602
    Abstract: We previously found that a near‐null magnetic field affected reproductive growth in Arabidopsis under white light. To test whether the effect of a near‐null magnetic field on fruit growth of Arabidopsis is related to cryptochrome, we grew wild‐type Arabidopsis and cryptochrome double mutant, cry1/cry2, in a near‐null magnetic field under blue light. We found that fruit growth of wild‐type Arabidopsis instead of the cry1/cry2 mutant was suppressed by the near‐null magnetic field. Furthermore, gibberellin (GA) levels of GA 4 , GA 9 , GA 34 , and GA 51 in fruits of wild‐type plants in the near‐null magnetic fields were significantly lower than local geomagnetic field controls. However, in cry1/cry2 mutants, levels of the four detected GAs in fruits in the near‐null magnetic fields did not differ significantly from controls. Expressions of GA20‐oxidase (GA20ox) genes (GA20ox1 and GA20ox2) and GA3‐oxidase (GA3ox) genes (GA3ox1 and GA3ox3) in fruits of wild‐type plants rather than cry1/cry2 mutants were downregulated by the near‐null magnetic field. In contrast, expressions of GA2‐oxidase (GA2ox) genes and GA signaling genes were not affected by the near‐null magnetic field. These results indicate that suppression of fruit growth by the near‐null magnetic field is mediated by cryptochrome and that GAs are involved in the regulation of fruit growth by the near‐null magnetic field. © 2021 Bioelectromagnetics Society.
    Type of Medium: Online Resource
    ISSN: 0197-8462 , 1521-186X
    URL: Issue
    RVK:
    Language: English
    Publisher: Wiley
    Publication Date: 2021
    detail.hit.zdb_id: 2001228-7
    SSG: 12
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  • 6
    Online Resource
    Online Resource
    Wiley ; 2017
    In:  Bioelectromagnetics Vol. 38, No. 1 ( 2017-01), p. 1-10
    In: Bioelectromagnetics, Wiley, Vol. 38, No. 1 ( 2017-01), p. 1-10
    Abstract: We previously found that flowering of Arabidopsis was suppressed by near‐null magnetic field, which was related to the modification of cryptochrome. To disclose the physiological mechanism of this effect, we detected gibberellin (GA) levels and expressions of GA biosynthetic and signaling genes in wild type Arabidopsis plants and cryptochrome double mutant, cry1/cry2, grown in near‐null magnetic field. We found that levels of GA 4 , GA 9 , GA 34 , and GA 51 in wild type plants in near‐null magnetic field were significantly decreased compared with local geomagnetic field controls. However, GA levels in cry1/cry2 mutants in near‐null magnetic field were similar to controls. Expressions of three GA20‐oxidase (GA20ox) genes (GA20ox1, GA20ox2, and GA20ox3) and four GA3‐oxidase (GA3ox) genes (GA3ox1, GA3ox2, GA3ox3, and GA3ox4) in wild type plants in near‐null magnetic field were significantly reduced compared with controls, while expressions of GA20ox4, GA20ox5, GA2‐oxidase (GA2ox) genes, and GA signaling‐related genes in wild type plants in near‐null magnetic field were not significantly different from controls. In contrast, expressions of all the detected GA biosynthetic and signaling genes in cry1/cry2 mutants were not affected by near‐null magnetic field. Moreover, transcriptions of flowering‐related genes, LFY and SOC1, in wild type plants were downregulated by near‐null magnetic field, while they were not affected by near‐null magnetic field in cry1/cry2 mutants. Our results suggest that the effect of near‐null magnetic field on Arabidopsis flowering is GA‐related, which is caused by cryptochrome‐involved suppression of GA biosynthesis. Bioelectromagnetics. 38:1–10, 2017. © 2016 Wiley Periodicals, Inc.
    Type of Medium: Online Resource
    ISSN: 0197-8462 , 1521-186X
    URL: Issue
    RVK:
    Language: English
    Publisher: Wiley
    Publication Date: 2017
    detail.hit.zdb_id: 2001228-7
    SSG: 12
    Location Call Number Limitation Availability
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