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      바위솔속 엽육조직 세포 내 액포의 미세구조 분화 양상 = Ultrastructural Differentiation of the Vacuole in Mesophyll Tissues of Orostachys

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      https://www.riss.kr/link?id=A101628408

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      다국어 초록 (Multilingual Abstract)

      In the present study, ultrastructural features of the mesophyll tissue have been investigated in Crassulacean acid metabolism (CAM)-performing succulent Orostachys. A large central vacuole and numerous small vacuoles in the peripheral cytoplasm were characterized at the subcellular level in both developing and mature mesophyll cells. The most notable feature was the invagination of vacuolar membranes into the secondary vacuoles or multivesicular bodies. In many cases, tens of single, membrane-bound secondary vacuoles of various sizes were found to be formed within the central vacuole. multivesicular bodies containing numerous small vesicles were also distributed in the cytoplasm but were better developed within the central vacuole. Occasionally, electron-dense prevacuolar compartments, directly attached to structures appearing to be small vacuoles, were also detected in the cytoplasm. One or more huge central vacuoles were frequently observed in cells undergoing differentiation and maturation. Consistent with the known occurrence of morphologically distinct vacuoles within different tissues, two types of vacuoles, one representing lytic vacuoles and the other, most likely protein storage vacuoles, were noted frequently within Orostachys mesophyll. The two types coexisted in mature vegetative cells but did not merge during the study. Nevertheless, the coexistence of two distinct vacuole types in maturing cells implies the presence of more than one mechanism for vacuolar solute sorting in these species. The vacuolar membrane is known to be unique among the intracellular compartments for having different channels and/or pumps to maintain its function. In CAM plants, the vacuole is a very important organelle that regulates malic acid diurnal fluctuation to a large extent. The membrane invagination seen in Orostachys mesophyll likely plays a significant role in survival under the physiological drought conditions in which these Orostachys occur; by increasing to such a large vacuolar volume, the mesophyll cells are able to retain enormous amounts of acid when needed. Furthermore, the mesophyll cells are able to attain their large sizes with less energy expenditure in order to regulate the large degree of diurnal fluctuation of organic acid that occurs within the vacuoles of Orostachys.
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      In the present study, ultrastructural features of the mesophyll tissue have been investigated in Crassulacean acid metabolism (CAM)-performing succulent Orostachys. A large central vacuole and numerous small vacuoles in the peripheral cytoplasm were c...

      In the present study, ultrastructural features of the mesophyll tissue have been investigated in Crassulacean acid metabolism (CAM)-performing succulent Orostachys. A large central vacuole and numerous small vacuoles in the peripheral cytoplasm were characterized at the subcellular level in both developing and mature mesophyll cells. The most notable feature was the invagination of vacuolar membranes into the secondary vacuoles or multivesicular bodies. In many cases, tens of single, membrane-bound secondary vacuoles of various sizes were found to be formed within the central vacuole. multivesicular bodies containing numerous small vesicles were also distributed in the cytoplasm but were better developed within the central vacuole. Occasionally, electron-dense prevacuolar compartments, directly attached to structures appearing to be small vacuoles, were also detected in the cytoplasm. One or more huge central vacuoles were frequently observed in cells undergoing differentiation and maturation. Consistent with the known occurrence of morphologically distinct vacuoles within different tissues, two types of vacuoles, one representing lytic vacuoles and the other, most likely protein storage vacuoles, were noted frequently within Orostachys mesophyll. The two types coexisted in mature vegetative cells but did not merge during the study. Nevertheless, the coexistence of two distinct vacuole types in maturing cells implies the presence of more than one mechanism for vacuolar solute sorting in these species. The vacuolar membrane is known to be unique among the intracellular compartments for having different channels and/or pumps to maintain its function. In CAM plants, the vacuole is a very important organelle that regulates malic acid diurnal fluctuation to a large extent. The membrane invagination seen in Orostachys mesophyll likely plays a significant role in survival under the physiological drought conditions in which these Orostachys occur; by increasing to such a large vacuolar volume, the mesophyll cells are able to retain enormous amounts of acid when needed. Furthermore, the mesophyll cells are able to attain their large sizes with less energy expenditure in order to regulate the large degree of diurnal fluctuation of organic acid that occurs within the vacuoles of Orostachys.

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      참고문헌 (Reference)

      1 Vitale A, "What do proteins need to reach different vacuoles" 4 : 148-155, 1999

      2 Steudle E, "Water-relation parameters of individual mesophyll cells of the Crassulacean Acid Metabolism plan, Kalanchoe daigremontiana" 66 : 1155-1163, 1980

      3 Kim IS, "Water storage cells in succulent Orostachys malacophyllus" 26 : 457-463, 1996

      4 Bethke PC, "Vacuoles and prevacuolar compartments" 3 : 469-475, 2000

      5 Hara-Nishimura I, "Vacuolar processing enzyme: an executor of plant cell death" 8 : 404-408, 2005

      6 Smith JAC, "Transport Across the Vacuolar Membrane in CAM Plants in : Crassulacean Acid Metabolism" Springer 53-71, 1996

      7 Hartwell J, "The Circadian Clock in CAM Plants in : Foyer CH" Blackwell Publishing 211-236, 2005

      8 Gibson AC, "The Anatomy of Succulence" 1-17, 1982

      9 Kim IS, "Structural aspects of seven leaves of Portulaca growing in Hawaii" 68 : 1291-1306, 1990

      10 Neuhaus J, "Sorting of proteins to vacuoles in plant cells" 38 : 127-144, 1998

      1 Vitale A, "What do proteins need to reach different vacuoles" 4 : 148-155, 1999

      2 Steudle E, "Water-relation parameters of individual mesophyll cells of the Crassulacean Acid Metabolism plan, Kalanchoe daigremontiana" 66 : 1155-1163, 1980

      3 Kim IS, "Water storage cells in succulent Orostachys malacophyllus" 26 : 457-463, 1996

      4 Bethke PC, "Vacuoles and prevacuolar compartments" 3 : 469-475, 2000

      5 Hara-Nishimura I, "Vacuolar processing enzyme: an executor of plant cell death" 8 : 404-408, 2005

      6 Smith JAC, "Transport Across the Vacuolar Membrane in CAM Plants in : Crassulacean Acid Metabolism" Springer 53-71, 1996

      7 Hartwell J, "The Circadian Clock in CAM Plants in : Foyer CH" Blackwell Publishing 211-236, 2005

      8 Gibson AC, "The Anatomy of Succulence" 1-17, 1982

      9 Kim IS, "Structural aspects of seven leaves of Portulaca growing in Hawaii" 68 : 1291-1306, 1990

      10 Neuhaus J, "Sorting of proteins to vacuoles in plant cells" 38 : 127-144, 1998

      11 Vitale A, "Sorting of proteins to storage vacuoles: how many mechanisms" 10 : 316-323, 2005

      12 Leegood RC, "Regulation of the C4 pathway in : C4 Plant Biology" Academic Press 53-71, 1999

      13 Marty F, "Plant vacuoles" 11 : 587-600, 1999

      14 Beers EP, "Plant proteolytic enzymes: possible roles during programmed cell death" 44 : 399-415, 2000

      15 Paris N, "Plant cells contain two functionally distinct vacuolar compartments" 85 : 563-572, 1996

      16 Lawlor DW, "Photosynthesis: Molecular, Physiological and Environmental Process" Longman Science & Technical 188-191, 1993

      17 Foyer CH, "Photosynthesis" Wiley & Son 175-196, 1984

      18 Jurgens G, "Membrane trafficking in plants" 20 : 481-504, 2004

      19 Wright H, "In vivo study of developmental programmed cell death using the lace plant (Aponogeton madagascariensis: Aponogetonaceae) leaf model system" 96 : 865-876, 2009

      20 Park M, "Identification of the protein storage vacuole and protein targeting to the vacuole in leaf cells of three plant species" 134 : 625-639, 2004

      21 Andreev IM, "Functions of the vacuole in higher plant cells" 48 : 672-680, 2001

      22 Kim IS, "Foliar ultrastructure of Korean Orostachys species" 25 : 52-61, 1995

      23 Kim IS, "Foliar structure and mesophyll succulence in three Korean Orostachys species and its phylogenetic implications" 25 : 209-229, 1995

      24 Edwards GE, "Factors affecting the induction of Crassulacean Acid Metabolism in Mesembryanthemum crystallinum in : Crassulacean Acid Metabolism" Springer 119-134, 1996

      25 Kluge M, "Crassulacean Acid Metabolism in the Genus Kalanchoe: Ecological, Physiological and Biochemical Aspects in : Crassulacean Acid Metabolism" Springer 5-44, 1996

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      학술지 이력

      학술지 이력
      연월일 이력구분 이력상세 등재구분
      2022 평가예정 재인증평가 신청대상 (재인증)
      2019-01-01 평가 등재학술지 선정 (계속평가) KCI등재
      2018-12-01 평가 등재후보로 하락 (계속평가) KCI등재후보
      2015-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2014-03-17 학술지명변경 외국어명 : Korean Journal of Microscopy -> Applied Microscopy KCI등재
      2011-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2009-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2008-09-22 학술지명변경 한글명 : 한국전자현미경학회지 -> 한국현미경학회지
      외국어명 : Korean Journal of Electron Microscopy -> Korean Journal of Microscopy
      KCI등재
      2007-10-24 학회명변경 한글명 : 한국전자현미경학회 -> 한국현미경학회
      영문명 : Korean Society Of Electron Microscopy -> Korean Society Of Microscopy
      KCI등재
      2007-01-01 평가 등재 1차 FAIL (등재유지) KCI등재
      2004-01-01 평가 등재학술지 선정 (등재후보2차) KCI등재
      2003-01-01 평가 등재후보 1차 PASS (등재후보1차) KCI등재후보
      2002-01-01 평가 등재후보학술지 유지 (등재후보1차) KCI등재후보
      1999-01-01 평가 등재후보학술지 선정 (신규평가) KCI등재후보
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      학술지 인용정보
      기준연도 WOS-KCI 통합IF(2년) KCIF(2년) KCIF(3년)
      2016 0.11 0.11 0.12
      KCIF(4년) KCIF(5년) 중심성지수(3년) 즉시성지수
      0.12 0.12 0.273 0
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