2025-5-23- 21
Home > Archive>Volume 25, Issue 5, 2024 >704-717. DOI:10.13430/j.cnki.jpgr.20231013002
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Research Progress of Leaf Variegation in Ornamental Plants
Author:
  • RAN Haoran 1

    RAN Haoran

    School of Landscape Architecture， Beijing Forestry University/ Beijing Laboratory of Urban and Rural Ecological Environment/ Beijing Key Laboratory of Ornamental Plants Germplasm Innovation and Molecular Breeding/ Engineering Research Center of Landscape Environment of Ministry of Education/ Key Laboratory of Genetics and Breeding in Forest-Trees and Ornamental Plants of Ministry of Education/ National Engineering Research Center for Floriculture/ State Key Laboratory of Efficient Production of Forest Resources， Beijing 100083
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  • ZHANG Yu 2

    ZHANG Yu

    China National Botanical Garden， Beijing 100093
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  • CHEN Jiancun 1

    CHEN Jiancun

    School of Landscape Architecture， Beijing Forestry University/ Beijing Laboratory of Urban and Rural Ecological Environment/ Beijing Key Laboratory of Ornamental Plants Germplasm Innovation and Molecular Breeding/ Engineering Research Center of Landscape Environment of Ministry of Education/ Key Laboratory of Genetics and Breeding in Forest-Trees and Ornamental Plants of Ministry of Education/ National Engineering Research Center for Floriculture/ State Key Laboratory of Efficient Production of Forest Resources， Beijing 100083
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  • YU Chao 1

    YU Chao

    School of Landscape Architecture， Beijing Forestry University/ Beijing Laboratory of Urban and Rural Ecological Environment/ Beijing Key Laboratory of Ornamental Plants Germplasm Innovation and Molecular Breeding/ Engineering Research Center of Landscape Environment of Ministry of Education/ Key Laboratory of Genetics and Breeding in Forest-Trees and Ornamental Plants of Ministry of Education/ National Engineering Research Center for Floriculture/ State Key Laboratory of Efficient Production of Forest Resources， Beijing 100083
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  • ZHANG Qixiang 1

    ZHANG Qixiang

    School of Landscape Architecture， Beijing Forestry University/ Beijing Laboratory of Urban and Rural Ecological Environment/ Beijing Key Laboratory of Ornamental Plants Germplasm Innovation and Molecular Breeding/ Engineering Research Center of Landscape Environment of Ministry of Education/ Key Laboratory of Genetics and Breeding in Forest-Trees and Ornamental Plants of Ministry of Education/ National Engineering Research Center for Floriculture/ State Key Laboratory of Efficient Production of Forest Resources， Beijing 100083
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  • LUO Le 1

    LUO Le

    School of Landscape Architecture， Beijing Forestry University/ Beijing Laboratory of Urban and Rural Ecological Environment/ Beijing Key Laboratory of Ornamental Plants Germplasm Innovation and Molecular Breeding/ Engineering Research Center of Landscape Environment of Ministry of Education/ Key Laboratory of Genetics and Breeding in Forest-Trees and Ornamental Plants of Ministry of Education/ National Engineering Research Center for Floriculture/ State Key Laboratory of Efficient Production of Forest Resources， Beijing 100083
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Affiliation:

1.School of Landscape Architecture， Beijing Forestry University/ Beijing Laboratory of Urban and Rural Ecological Environment/ Beijing Key Laboratory of Ornamental Plants Germplasm Innovation and Molecular Breeding/ Engineering Research Center of Landscape Environment of Ministry of Education/ Key Laboratory of Genetics and Breeding in Forest-Trees and Ornamental Plants of Ministry of Education/ National Engineering Research Center for Floriculture/ State Key Laboratory of Efficient Production of Forest Resources， Beijing 100083;2.China National Botanical Garden， Beijing 100093

Fund Project:

Foundation projects： The Fundamental Research Funds for the Central Universities（QNTD202306）； National Key Research and Development Program of China（2022YFF1301704）； Beijing High-Precision Discipline Project， Discipline of Ecological Environment of Urban and Rural Human Settlements

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    Abstract:

    The diverse array of variegated leaf plant species is characterized by a rich tapestry of chromatic patterns adorning their foliage. These distinctive markings not only confer aesthetic significance as a pivotal ornamental trait in plants， but also bear ecological and biological relevance such as facilitating reproductive processes， acting as a deterrent against natural adversaries， and adaptability to environmental fluctuations. This article provides a comprehensive review of recent advancements in the classification and formation of leaf variegation in ornamental plants. Based on distinctions in pigment accumulation and structural characteristics within leaf tissues， the microstructural categorization of variegation types is outlined， and the molecular mechanisms underlying leaf variegation formation are summarized. Alterations in structural genes and transcription factors that associate with pigment synthesis and metabolism， such as CHLH， DFR， CRD1， during leaf development， as well as mutations in genes that are related to organelle development and cell differentiation， including ZAT10 and VAR3， can directly or indirectly participate in leaf variegation formation by influencing differential pigment accumulation and altering leaf structure. While there have been numerous studies on the formation mechanisms of leaf variegation in ornamental plants， the genetic mechanisms underlying leaf variegation remain unclear. The reasons for differential gene expression in variegated leaf regions and the spatial distribution mechanisms of leaf variegation patterns are still areas requiring further investigation. Future research can involve the selection of model plants from variegated leaf species， building the pan-genome， integrating with multi-omics technologies such as pan-genomics， proteomics， and metabolomics. This approach might enable exploring the origin of leaf variegation， uncovering the adaptive responses of variegated leaf plants to their environments， and deciphering the evolutionary mechanisms underlying important plant traits and environmental adaptation.

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History
  • Received:October 13,2023
  • Online: May 17,2024
  • Published: May 10,2024
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