木本植物叶色变异机制研究进展

doi:10.11983/CBB23019

植物学报 ›› 2024, Vol. 59 ›› Issue (2): 319-328.DOI: 10.11983/CBB23019

• 专题论坛 • 上一篇

木本植物叶色变异机制研究进展

车佳航¹^,²^,³, 李纬楠¹^,²^,³, 秦英之¹^,²^,³, 陈金焕¹^,²^,³^,^*()

¹北京林业大学生物科学与技术学院, 北京 100083
²北京林业大学林木育种与生态修复国家工程中心, 北京 100083
³北京林业大学林木资源高效生产全国重点实验室, 北京 100083

收稿日期:2023-02-11 接受日期:2024-01-30 出版日期:2024-03-01 发布日期:2024-02-04
通讯作者: * 陈金焕, 北京林业大学林木遗传育种学科教授、博士生导师, 原子能农学会理事, 中国林学会灌木分会常务委员。先后主持国家自然科学基金项目、宁夏重点研发项目、宁夏揭榜挂帅子课题等省部级项目。主要从事枸杞、红叶杨等经济林育种及经济性状相关分子机制研究, 围绕枸杞等特色经济林树种, 通过染色体组操作技术进行种质创新, 利用基因编辑等技术实现精准分子设计育种。在Journal of Experimental Botany、Horticulture Research、Tree Physiology及中国科学等学术期刊发表论文34篇, 授权国家发明专利4项, 获宁夏回族自治区科学技术进步一等奖1项。E-mail: chenjh@bjfu.edu.cn
基金资助:
宁夏重点研发计划(2022BBF01001-02);国家自然基金项目(31670610)

Research Progress of Leaf Color Variation Mechanism in Woody Plants

Jiahang Che¹^,²^,³, Weinan Li¹^,²^,³, Yingzhi Qin¹^,²^,³, Jinhuan Chen¹^,²^,³^,^*()

¹College of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China
²National Engineering Center for Forest Tree Breeding and Ecological Restoration, Beijing Forestry University, Beijing 100083, China
³State Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing 100083, China

Received:2023-02-11 Accepted:2024-01-30 Online:2024-03-01 Published:2024-02-04
Contact: *E-mail: chenjh@bjfu.edu.cn

摘要/Abstract

摘要： 木本彩叶植物叶色鲜艳, 具有极高的观赏价值, 能为园林景观增添色彩。近年来, 园林景观设计越来越重视木本彩叶植物的应用。引起叶色变化的直接原因是叶片中的色素含量与比例改变。叶色变异受内部遗传因素和外界环境因素共同影响, 通过控制光照和温度等条件可对叶色进行调控。随着对木本植物叶色变异机制研究的探索, 目前在木本植物中已挖掘出多个调控叶色变异的关键基因和调控模式。该文从环境因素、叶片微观结构、叶色变异的分子机制等方面总结木本彩叶植物叶色变异的研究进展, 为进一步完善木本植物叶色变异机制及培育观赏彩叶树种提供参考。

关键词: 叶色变异, 环境因素, 分子机制, 木本植物

Abstract: Colorful woody plants have bright foliage, high ornamental value, and are valuable to the garden landscape. In recent years, more and more attention has been paid to the configuration of colored woody plants in landscape design. The most direct cause of leaf color change is the alteration in pigment content and ratio in the leaves. Leaf color variation is influenced by both genetic and environmental factors. Leaf color can be regulated through controlling light, temperature and other factors. With the development of molecular biology, several key genes for regulating leaf color variation have been discovered in woody plants. Here, we summarize the progress of researches related to leaf color variation in woody plants, including studies on environmental factors, leaf microstructure, and molecular mechanism of leaf color variation and related genes, so as to provide a theoretical basis for further improving our understanding on the mechanism of leaf color variation in woody plants and cultivating additional ornamental colored woody trees.

Key words: leaf color variation, environmental factors, molecular mechanisms, woody plants

车佳航, 李纬楠, 秦英之, 陈金焕. 木本植物叶色变异机制研究进展. 植物学报, 2024, 59(2): 319-328.

Jiahang Che, Weinan Li, Yingzhi Qin, Jinhuan Chen. Research Progress of Leaf Color Variation Mechanism in Woody Plants. Chinese Bulletin of Botany, 2024, 59(2): 319-328.

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链接本文: https://www.chinbullbotany.com/CN/10.11983/CBB23019

https://www.chinbullbotany.com/CN/Y2024/V59/I2/319

图/表 2

图1 叶绿素、类胡萝卜素和花青素合成通路 (A) 叶绿素生物合成途径; (B) 类胡萝卜素生物合成途径; (C) 花青素生物合成途径。GluTR: 谷氨酰-tRNA还原酶; GSA-AM: 谷氨酸酯-1-半醛2,1氨基变位酶; ALAD: 5-氨基乙酰丙酸脱水酶; PBGD: 胆色素原脱氨酶; UROS: 尿卟啉原III合成酶; UROD: 尿卟啉原III脱羧酶; CPOX: 粪卟啉原III氧化酶; PPOX: 原卟啉原氧化酶; MgCh: Mg-螯合酶; MgPMT: Mg-原卟啉IX甲基转移酶; MgPEC: Mg-原卟啉IX单甲基酯环化酶; DVR: 乙烯基还原酶; POR: 原叶绿素酸酯氧化还原酶; CHLG: 叶绿素合酶; CAO: 叶绿素酸酯a加氧酶; CBR: 叶绿素b还原酶; HCAR: 7-羟甲基叶绿素还原酶; PPH: 脱镁叶绿素酶; PAO: 脱镁叶绿素a加氧酶; RCCR: 红色代谢物还原酶; PSY: 八氢番茄红素合成酶; PDS: 八氢番茄红素脱氢酶; ZDS: ζ-胡萝卜素脱氢酶; CRTISO: 胡萝卜素异构酶; LCYb: β-番茄红素环化酶; LCYe: ε-番茄红素环化酶; HYb: β-胡萝卜素羟化酶; HYe: ε-胡萝卜素羟化酶; ZEP: 玉米黄质环化酶; VDE: 紫黄质脱环氧酶; PAL: 苯丙氨酸裂解酶; C4H: 肉桂酸羟化酶; 4CL: 4-香豆酸CoA连接酶; CHS: 查尔酮合成酶; CHI: 查尔酮异构酶; F3-H: 黄烷酮3-羟化酶; F3′-H: 类黄酮3′-羟化酶; F3′,5′-H: 类黄酮3′,5′-羟化酶; DFR: 二氢黄酮醇-4-还原酶; ANS: 花青素合成酶; UFGT: 类黄酮糖苷转移酶; GST: 谷胱甘肽巯基转移酶

Figure 1 Chlorophyll, carotenoid, and anthocyanin synthesis pathways (A) Chlorophyll biosynthetic pathway; (B) Carotenoid biosynthetic pathway; (C) Anthocyanin biosynthetic pathway. GluTR: Glutamyl-tRNA reductase; GSA-AM: Glutamate-1-semialdehyde 2,1-aminomutase; ALAD: 5-aminolevulinic acid dehydrase; PBGD: Porphobilinogen deaminase; UROS: Uroporphyrinogen III synthase; UROD: Uroporphyrinogen III decarboxylase; CPOX: Coproporphyrinogen III oxidase; PPOX: Protoporphyrinogen oxidase; MgCh: Magnesium chelatase; MgPMT: Magnesium proto IX methyltransferase; MgPEC: Mg-protoporphyrin IX monomethyl ester cyclase; DVR: Vinyl reductase; POR: Protochlorophyllide oxidoreductase; CHLG: Chlorophyll synthase; CAO: Chlorophyllide a oxygenase; CBR: Chlorophyll b reductase; HCAR: 7-hydroxymethyl chlorophyll reductase; PPH: Mg-dechelatase; PAO: Pheophorbide a oxygenase; RCCR: Red metabolite reductase; PSY: Phytoene synthase; PDS: Phytoene desaturase; ZDS: ζ-carotene desaturase; CRTISO: Carotene isomerase; LCYb: Lycopene β-cyclase; LCYe: Lycopene ε-cyclase; HYb: β-carotene hydroxylase; HYe: ε-carotene hydroxylase; ZEP: Zeaxanthin cyclase; VDE: Violaxanthin de-epoxidase; PAL: Phenylalanine lyase; C4H: Cinnamate hydroxylase; 4CL: 4-coumaric acid CoA ligase; CHS: Chalcone synthetase; CHI: Chalcone isomerase; F3-H: Flavanone 3-hydroxylase; F3'-H: Flavonoid 3'-hydroxylase; F3',5'-H: Flavonoid 3',5'-hydroxylase; DFR: Dihydroflavonol-4-reductase; ANS: Anthocyanin synthetase; UFGT: Flavonoside transferase; GST: Glutathione mercaptotransferase

图2 木本植物叶色变异的影响因素

Figure 2 Influencing factors of leaf color variation in woody plants

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木本植物叶色变异机制研究进展

Research Progress of Leaf Color Variation Mechanism in Woody Plants

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