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  1. Article ; Online: Sensitivity of a bone-equivalent polymer gel dosimeter for measuring the dose to bone during radiation therapy.

    Kumahara, Narumi / Takemura, Akihiro / Ishihara, Shouta / Noto, Kimiya / Kojima, Hironori / Isomura, Naoki / Yokoyama, Haruna / Goto, Itsuki

    Radiological physics and technology

    2023  Volume 16, Issue 2, Page(s) 227–234

    Abstract: Treatment planning systems that use the Monte Carlo algorithm can calculate the dose to the medium ( ... ...

    Abstract Treatment planning systems that use the Monte Carlo algorithm can calculate the dose to the medium (D
    MeSH term(s) Radiation Dosimeters ; Algorithms ; Japan ; Monte Carlo Method ; Polymers ; Radiometry ; Gels
    Chemical Substances Polymers ; Gels
    Language English
    Publishing date 2023-03-22
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 2433581-2
    ISSN 1865-0341 ; 1865-0333
    ISSN (online) 1865-0341
    ISSN 1865-0333
    DOI 10.1007/s12194-023-00710-9
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: QTL analysis for sodium removal ability in rice leaf sheaths under salinity using an IR-44595/318 F

    Goto, Itsuki / Neang, Sarin / Kuroki, Ryuichi / Reyes, Vincent Pamugas / Doi, Kazuyuki / Skoulding, Nicola Stephanie / Taniguchi, Mitsutaka / Yamauchi, Akira / Mitsuya, Shiro

    Frontiers in plant science

    2022  Volume 13, Page(s) 1002605

    Abstract: Over-accumulation of salt in rice plants is an effect of salt stress which decreases growth and grain yield. Salt removal ability in leaf sheaths is a tolerance mechanism to decrease salt entry and accumulation in leaf blades and maintain photosynthesis ... ...

    Abstract Over-accumulation of salt in rice plants is an effect of salt stress which decreases growth and grain yield. Salt removal ability in leaf sheaths is a tolerance mechanism to decrease salt entry and accumulation in leaf blades and maintain photosynthesis under salinity. In this study, a QTL analysis of removal ability of sodium ions (Na
    Language English
    Publishing date 2022-10-11
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2613694-6
    ISSN 1664-462X
    ISSN 1664-462X
    DOI 10.3389/fpls.2022.1002605
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Tissue-specific expression analysis of Na+ and Cl− transporter genes associated with salt removal ability in rice leaf sheath

    Neang, Sarin / Goto, Itsuki / Skoulding, Nicola Stephanie / Cartagena, Joyce A. / Kano-Nakata, Mana / Yamauchi, Akira / Mitsuya, Shiro

    BMC Plant Biol. 2020 Dec., v. 20, no. 1 p.502-502

    2020  

    Abstract: BACKGROUND: A significant mechanism of salt-tolerance in rice is the ability to remove Na⁺ and Cl⁻ in the leaf sheath, which limits the entry of these toxic ions into the leaf blade. The leaf sheath removes Na⁺ mainly in the basal parts, and Cl⁻ mainly ... ...

    Abstract BACKGROUND: A significant mechanism of salt-tolerance in rice is the ability to remove Na⁺ and Cl⁻ in the leaf sheath, which limits the entry of these toxic ions into the leaf blade. The leaf sheath removes Na⁺ mainly in the basal parts, and Cl⁻ mainly in the apical parts. These ions are unloaded from the xylem vessels in the peripheral part and sequestered into the fundamental parenchyma cells at the central part of the leaf sheath. RESULTS: This study aimed to identify associated Na⁺ and Cl⁻ transporter genes with this salt removal ability in the leaf sheath of rice variety FL 478. From 21 known candidate Na⁺ and Cl⁻ transporter rice genes, we determined the salt responsiveness of the expression of these genes in the basal and apical parts, where Na⁺ or Cl⁻ ions were highly accumulated under salinity. We also compared the expression levels of these transporter genes between the peripheral and central parts of leaf sheaths. The expression of 8 Na⁺ transporter genes and 3 Cl⁻ transporter genes was up-regulated in the basal and apical parts of leaf sheaths under salinity. Within these genes, OsHKT1;5 and OsSLAH1 were expressed highly in the peripheral part, indicating the involvement of these genes in Na⁺ and Cl⁻ unloading from xylem vessels. OsNHX2, OsNHX3, OsNPF2.4 were expressed highly in the central part, which suggests that these genes may function in sequestration of Na⁺ and Cl⁻ in fundamental parenchyma cells in the central part of leaf sheaths under salinity. Furthermore, high expression levels of 4 candidate genes under salinity were associated with the genotypic variation of salt removal ability in the leaf sheath. CONCLUSIONS: These results indicate that the salt removal ability in rice leaf sheath may be regulated by expressing various Na⁺ or Cl⁻ transporter genes tissue-specifically in peripheral and central parts. Moreover, some genes were identified as candidates whose expression levels were associated with the genotypic variation of salt removal ability in the leaf sheath. These findings will enhance the understanding of the molecular mechanism of salt removal ability in rice leaf sheath, which is useful for breeding salt-tolerant rice varieties.
    Keywords genetic variation ; leaf blade ; rice ; salinity ; salt tolerance ; toxicity ; xylem
    Language English
    Dates of publication 2020-12
    Size p. 502.
    Publishing place BioMed Central
    Document type Article ; Online
    ZDB-ID 2059868-3
    ISSN 1471-2229
    ISSN 1471-2229
    DOI 10.1186/s12870-020-02718-4
    Database NAL-Catalogue (AGRICOLA)

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  4. Article ; Online: Tissue-specific expression analysis of Na

    Neang, Sarin / Goto, Itsuki / Skoulding, Nicola Stephanie / Cartagena, Joyce A / Kano-Nakata, Mana / Yamauchi, Akira / Mitsuya, Shiro

    BMC plant biology

    2020  Volume 20, Issue 1, Page(s) 502

    Abstract: Background: A significant mechanism of salt-tolerance in rice is the ability to remove Na: Results: This study aimed to identify associated Na: Conclusions: These results indicate that the salt removal ability in rice leaf sheath may be regulated ... ...

    Abstract Background: A significant mechanism of salt-tolerance in rice is the ability to remove Na
    Results: This study aimed to identify associated Na
    Conclusions: These results indicate that the salt removal ability in rice leaf sheath may be regulated by expressing various Na
    MeSH term(s) Cation Transport Proteins/genetics ; Cation Transport Proteins/metabolism ; Chlorides/metabolism ; Genes, Plant/genetics ; Oryza/genetics ; Oryza/metabolism ; Plant Leaves/genetics ; Plant Leaves/metabolism ; Plant Proteins/genetics ; Plant Proteins/metabolism ; Salt-Tolerant Plants/genetics ; Salt-Tolerant Plants/metabolism ; Sodium/metabolism ; Tissue Distribution ; Transcriptome
    Chemical Substances Cation Transport Proteins ; Chlorides ; Plant Proteins ; Sodium (9NEZ333N27)
    Language English
    Publishing date 2020-11-03
    Publishing country England
    Document type Journal Article
    ISSN 1471-2229
    ISSN (online) 1471-2229
    DOI 10.1186/s12870-020-02718-4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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