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FullText URL srfa_111_colophon.pdf
Publication Title Scientific Reports of the Faculty of Agriculture, Okayama University
Published Date 2022-02-01
Volume volume111
ISSN 2186-7755
language Japanese
File Version publisher
Title Alternative The List of Published by Members of the Faculty From January to December 2021
FullText URL srfa_111_027_042.pdf
Publication Title Scientific Reports of the Faculty of Agriculture, Okayama University
Published Date 2022-02-01
Volume volume111
Start Page 27
End Page 42
ISSN 2186-7755
language Japanese
File Version publisher
Title Alternative Propagation characteristics and method of appropriate management of invasive alien species Iris pseudacorus L.
FullText URL srfa_111_021_025.pdf
Author Nakashima, Yoshitaka|
Abstract To establish a proposal for a guiding principle supporting appropriate management of Iris pseudacorus L., which had been used as an important vegetation bank species until the Invasive Alien Species Act, this study investigated propaga-tion characteristics. The seed in which seed coat cracked germinated earlier, and it was shown that their cumulative germination percentage was high even under 30 °C constant conditions. When the fresh weight of the rhizome cut pieces in the spring became greater than 15 g, the individual plant flowering rate increased gradually. Individuals of more than 30 g achieved a flowering rate higher than 76 %. The flow-ering rate was highest for individual plants that had two green leaves, but it became progressively lower for increas-ing numbers of green leaves:non-flowering individuals grew better than flowering individuals. In the 0 cm height scape-cutting treatment, no significant difference was found in the numbers of flowers and fruits the next year. In the 5 cm height top-cutting treatment, the flowers and fruits in the next year were significantly fewer.
Keywords Iris pseudacorus L. invasive alien species propagation characteristics flood tolerance
Publication Title Scientific Reports of the Faculty of Agriculture, Okayama University
Published Date 2022-02-01
Volume volume111
Start Page 21
End Page 25
ISSN 2186-7755
language Japanese
File Version publisher
NAID 120007190705
Title Alternative Big data in the sex chromosomes of Silene plants and a fungus acting as a plant sex chromosome
FullText URL srfa_111_015_020.pdf
Author Fujita, Naoko|
Abstract Silene latifolia (Caryophyllaceae) is a dioecious plant that has long been used for study on sex chromosomes in plants. The advantage but also disadvantage of S. latifolia as a model system is the size of the Y chromosome that contains an extremely large male-specific region (approx. > 500 Mb). This feature implies that the evolutionary history of sex chromo-somes remains in the S. latifolia Y chromosome, while the size makes analyses esoteric. Another advantage is that plants in the genus Silene show variation in reproductive systems; most are gynodioecy (females and hermaphrodites), which is thought of as an evolutionary status before establishment of dioecy (males and females), with a few hermaphrodites and dioecy, suggesting that the genus Silene may represent an epitome of the sex chromosome evolution. Microbotryum is a biotrophic fungi, whose infection causes masculinization of the female flower, as if the fungus acts as the Y chromo-some. Though the underlying molecular mechanisms remain unknown, recent high-throughput sequence technologies provide many candidate genes for sex determination in plants and sex conversion by the fungus. In this article, I review and introduce studies of the Y chromosome in S. latifolia plant, the evolution of sex chromosomes in the genus Silene, the masculinization of female flowers caused by a fungus infection, and a virus vector that can be used for genetic analysis of the key genes involved in these processes.
Keywords Silene latifolia Microbotryum lychnidis-dioicae anther smut sex chromosome plant-microbe interaction
Publication Title Scientific Reports of the Faculty of Agriculture, Okayama University
Published Date 2022-02-01
Volume volume111
Start Page 15
End Page 20
ISSN 2186-7755
language Japanese
File Version publisher
NAID 120007190706
Title Alternative Studies on antitumor enzyme l-lysine α-oxidase from Trichoderma viride
FullText URL srfa_111_007_014.pdf
Author Saito, Masaya| Inagaki, Kenji|
Abstract L-Lysine α-oxidase (LysOX) from Trichoderma viride is a homodimeric flavoenzyme that catalyzes the oxidative deamination of L-Lysine to produce α-keto-ε-aminocaproate with ammonia and hydrogen per-oxide. LysOX inhibited the growth of cancer cells but showed relatively low toxicity for normal cells. The full-length cDNA consists of 2,119 bp, and encodes a long N-terminal propeptide composed of 77 resi-dues (Met1-Arg77) and the mature protein (Ala78-Ile617). The LysOX gene was heterologously expressed in Streptomyces lividans TK24 or Escherichia coli SoluBL21. The enzymatic properties of the purified recombinant LysOX, such as substrate specificity, kinetic parameters and thermal stability, are the same as those of the native LysOX. The LysOX precursor (prLysOX) expressed in E. coli shows weak enzymatic activity and is activated by proteolytic processing. The crystal structure of prLysOX revealed that the propeptide of prLysOX indirectly changes the active site structure to inhibit enzyme activity. Moreover, the crystal structures of LysOX and its L-Lysine complex revealed that the hydrogen bonding network formed by Asp212, Asp315 and Ala440 with two water molecules is responsible for the recogni-tion of the ε-amino group of L-Lysine. In addition, a narrow substrate-binding site and acidic surface at the active site entrance both contribute to strict substrate specificity. Mutational analysis demonstrated that Asp212 and Asp315 are essential for substrate recognition, and the D212A/D315A LysOX prefers aromatic amino acids. Furthermore, the structural basis of the substrate specificity change has also been revealed by the structural analysis of the D212A/D315A LysOX and its substrate complexes.
Keywords L-lysine α-oxidase antitumor enzyme substrate recognition X-ray crystallography enzyme activity regulation
Publication Title Scientific Reports of the Faculty of Agriculture, Okayama University
Published Date 2022-02-01
Volume volume111
Start Page 7
End Page 14
ISSN 2186-7755
language Japanese
File Version publisher
NAID 120007190707
FullText URL srfa_111_cover.pdf
Publication Title Scientific Reports of the Faculty of Agriculture, Okayama University
Published Date 2022-02-01
Volume volume111
ISSN 2186-7755
language Japanese
File Version publisher
Title Alternative A case with difficulty in airway management nevertheless switching from emergency tracheostomy to cricothyrotomy
FullText URL fulltext20220131-3.pdf
Author Akifumi , Kariya| Ishihara, Hisashi| Akisada, Naoki| Hamada, Koji| Fuji, Syaka| Akagi, Seiko| Akazawa, Anna| Takeuchi, Ayako|
Keywords tracheostomy cricothyrotomy laryngeal edema ENT emergency deep neck abscess
Publication Title 岡山赤十字病院医学雑誌
Volume volume32
Issue issue1
Publisher 岡山赤十字病院
Start Page 66
End Page 69
ISSN 0915-8073
NCID AN1038143X
Content Type Journal Article
language Japanese
OAI-PMH Set 岡山大学
File Version author
Title Alternative HIV infection diagnosed from delayed wound healing after tonsillectomy : A case report
FullText URL fulltext20220131-1.pdf
Author Kariya, Akifumi| Ishihara, Hisashi| Akisada, Naoki| Fujisawa, Iku| Fuji, Sayaka| Akagi, Seiko| Takeuchi, Ayako|
Keywords HIV(human immunodeficiency virus) 創傷治癒遅延 口蓋扁桃摘出術 手術合併症 性感染症
Published Date 2021-01-20
Publication Title Otologia Fukuoka
Volume volume67
Issue issue1
Publisher 耳鼻と臨床会
Start Page 26
End Page 30
ISSN 04477227
NCID AN00107114
Content Type Journal Article
language Japanese
OAI-PMH Set 岡山大学
File Version publisher
Web of Science KeyUT 10.11334/jibi.67.1_26
Related Url isVersionOf https://doi.org/10.11334/jibi.67.1_26
JaLCDOI 10.18926/63141
FullText URL 御留帳評定書_上.pdf 御留帳評定書_下.pdf
Contributor Katsunao Kurachi| 青木 充子|
Published Date 2018-02
Publication Title 御留帳評定書
ISBN 9784904228524
language Japanese
File Version publisher
JaLCDOI 10.18926/63140
FullText URL 朝鮮通信使饗応関係資料_上.pdf 朝鮮通信使饗応関係資料_下.pdf
Contributor Katsunao Kurachi| 青木 充子|
Published Date 2013-02
Publication Title 朝鮮通信使饗応関係資料
ISBN 9784904228272
language Japanese
File Version publisher
JaLCDOI 10.18926/63139
FullText URL 御留帳御船手_上.pdf 御留帳御船手_下.pdf
Contributor Katsunao Kurachi| 青木 充子|
Published Date 2010-03
Publication Title 御留帳御船手
ISBN 9784904228104
language Japanese
File Version publisher
FullText URL fulltext20220128-5.pdf
Author Ibaragi, Soichiro|
Note 許可を得て出版社版を掲載しています。|
Publication Title バムサジャーナル
Volume volume33
Issue issue4
Publisher バイオメディカルサイエンス研究会
Start Page 1
End Page 2
ISSN 2185-9361
Content Type Journal Article
language Japanese
OAI-PMH Set 岡山大学
Copyright Holders © 2022 バイオメディカルサイエンス研究会
File Version publisher
FullText URL persica_048_colophon.pdf
Publication Title Persica
Published Date 2021-03-31
Volume volume48
ISSN 0389-7788
language Japanese
File Version publisher
FullText URL persica_048_authors.pdf
Publication Title Persica
Published Date 2021-03-31
Volume volume48
ISSN 0389-7788
language Japanese
File Version publisher
FullText URL persica_048_027_038.pdf
Author Kinoshita Satoko|
Publication Title Persica
Published Date 2021-03-31
Volume volume48
Start Page 27
End Page 38
ISSN 0389-7788
language Japanese
File Version publisher
FullText URL persica_048_015_026.pdf
Author Urushibata, Yuka|
Publication Title Persica
Published Date 2021-03-31
Volume volume48
Start Page 15
End Page 26
ISSN 0389-7788
language Japanese
File Version publisher
FullText URL persica_048_001_013.pdf
Author Wakimoto, Kyoko|
Publication Title Persica
Published Date 2021-03-31
Volume volume48
ISSN 0389-7788
language Japanese
File Version publisher
NAID 40022615349
FullText URL persica_048_cover.pdf
Publication Title Persica
Published Date 2021-03-31
Volume volume48
ISSN 0389-7788
language Japanese
File Version publisher
FullText URL hss_52_contents_e.pdf
Publication Title Journal of Humanities and Social Sciences
Published Date 2021-12-24
Volume volume52
ISSN 1881-1671
language Japanese
Copyright Holders Copyright (c) 2021 岡山大学大学院社会文化科学研究科
File Version publisher
FullText URL hss_52_colophon.pdf
Publication Title Journal of Humanities and Social Sciences
Published Date 2021-12-24
Volume volume52
ISSN 1881-1671
language Japanese
Copyright Holders Copyright (c) 2021 岡山大学大学院社会文化科学研究科
File Version publisher