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学者姓名：艾叶
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Abstract ：
Colorful leaves, particularly red ones, represent an important ornamental trait of Cymbidium ensifolium. However, the mechanisms underlying red leaf formation in C. ensifolium are not well understood. In this study, we examined the phenotypic, physiological, and transcriptomic differences between red and green leaves at various developmental stages. We found that red leaves exhibited significantly lower levels of chlorophyll a, chlorophyll b, carotenoids, and total chlorophyll across all stages, while anthocyanin levels were notably higher. Ultrastructural analysis revealed abnormalities in the chloroplast structure of red leaves, including fewer chloroplasts, ruptured thylakoid membranes, an indistinct matrix layer, and the accumulation of osmiophilic particles, which led to reduced photosynthetic capacity. In addition, transcriptomic analysis showed significant differences in the expression of genes related to anthocyanin biosynthesis, chlorophyll metabolism, and photosynthesis between red and green leaves at different stages of growth. Therefore, we suggest that red leaf formation in C. ensifolium is driven by reduced expression of chlorophyll metabolism genes, resulting in impaired chloroplast development and chlorophyll synthesis, while upregulation of anthocyanin biosynthesis genes promotes anthocyanin accumulation, leading to the red coloration. These findings provide valuable insights into color formation mechanisms of red leaves in C. ensifolium.
Keyword ：
Anthocyanin Anthocyanin Chlorophyll metabolism Chlorophyll metabolism Cymbidium ensifolium Cymbidium ensifolium Red leaves Red leaves
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| GB/T 7714 | Xiong, Longwei , Ou, Yue , Li, Peng et al. Comparative physiology and transcriptome analysis revealed the mechanisms underlying red leaf formation in Cymbidium ensifolium [J]. | SCIENTIA HORTICULTURAE , 2025 , 340 . |
| MLA | Xiong, Longwei et al. "Comparative physiology and transcriptome analysis revealed the mechanisms underlying red leaf formation in Cymbidium ensifolium" . | SCIENTIA HORTICULTURAE 340 (2025) . |
| APA | Xiong, Longwei , Ou, Yue , Li, Peng , Tian, Yang , Guo, Liting , Li, Jinjin et al. Comparative physiology and transcriptome analysis revealed the mechanisms underlying red leaf formation in Cymbidium ensifolium . | SCIENTIA HORTICULTURAE , 2025 , 340 . |
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TCP转录因子家族含有一个由59个氨基酸组成的碱性螺旋-环-螺旋(b HLH)基序，在植物生长发育、形态建成、逆境胁迫响应等方面存在广泛调控作用。兰科植物因其花型奇特、花色多样、叶艺丰富等特点，具有重要的观赏、文化和经济价值。本文概括TCP转录因子的结构以及分类，并对其在兰科植物花、叶等器官形态建成中的功能进行综述，为兰科植物TCP基因功能研究提供理论依据。
Keyword ：
miRNA miRNA TCP转录因子 TCP转录因子 兰科植物 兰科植物 器官形态 器官形态 细胞分化 细胞分化
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| GB/T 7714 | 陈嘉忆 , 黄婷婷 , 熊龙伟 et al. 兰科植物TCP转录因子研究进展 [J]. | 亚热带植物科学 , 2025 , 54 (02) : 229-238 . |
| MLA | 陈嘉忆 et al. "兰科植物TCP转录因子研究进展" . | 亚热带植物科学 54 . 02 (2025) : 229-238 . |
| APA | 陈嘉忆 , 黄婷婷 , 熊龙伟 , 黎鹏 , 郭丽婷 , 艾叶 . 兰科植物TCP转录因子研究进展 . | 亚热带植物科学 , 2025 , 54 (02) , 229-238 . |
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为了研究国兰杂交后代表型性状的分离和遗传变异规律，本研究以春兰（Cymbidium goeringii）和蕙兰（C. faberi）种间杂交F
Keyword ：
兰属 兰属 杂种优势 杂种优势 种间杂交 种间杂交 表型性状 表型性状 遗传变异 遗传变异
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| GB/T 7714 | 周小琴 , 陈桂珍 , 孙佳婷 et al. 春兰和蕙兰种间杂交F [J]. | 分子植物育种 , 2025 , 23 (11) : 3679-3691 . |
| MLA | 周小琴 et al. "春兰和蕙兰种间杂交F" . | 分子植物育种 23 . 11 (2025) : 3679-3691 . |
| APA | 周小琴 , 陈桂珍 , 孙佳婷 , 刘舒雅 , 刘钰颖 , 张燕萍 et al. 春兰和蕙兰种间杂交F . | 分子植物育种 , 2025 , 23 (11) , 3679-3691 . |
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蝴蝶兰茎部着生、潜伏于叶基部的腋芽在适宜环境下能够萌发并伸长分化形成花梗，其分化过程的显微观察是探明蝴蝶兰花发育进程及影响因素的重要研究内容之一。为了建立一套适用于软硬相连接的带腋芽茎段的石蜡切片方法，以蝴蝶兰金蝶（Phalaenopsis Lioulin Phoenix ‘LM41’）带腋芽的茎段为试验材料，针对主要影响石蜡切片效果的固定时长、软化液浓度和软化时长、脱水等制备步骤进行优化。结果表明：固定时对固定液抽真空并延长固定时间至48h及以上有利于固定液充分渗透，材料固定效果最佳；使用浓度为10%、12%的氢氟酸溶液软化12、15 d并在软化期间抽真空30 min，可使木质化程度较高的茎段组织脆度和硬度大大降低，达到切片的软硬度要求，有效解决软化不均匀造成的组织分离破碎问题；脱水处理设置从30%～100%乙醇的7个逐级脱水梯度，并增加无水乙醇到二甲苯逐渐置换的步骤，可以避免蝴蝶兰组织材料收缩变形，保证组织形态的完整性。优化后的制备方法解决了常规石蜡切片中蝴蝶兰带腋芽茎段（含软硬相连接组织）的软化不彻底、组织与石蜡分离、蜡带皱缩破碎、切片空洞等问题，所获切片的整体结构趋于完整，染色均匀且鲜艳，各部位组织细胞着色明显，能清晰区分开幼嫩的芽组织和木质化的茎组织。本研究形成了一套适用于蝴蝶兰带腋芽茎段（含软硬相连接组织）的石蜡切片制备方法，为深入研究蝴蝶兰潜伏腋芽萌发的分化过程提供技术基础。
Keyword ：
石蜡切片 石蜡切片 腋芽 腋芽 茎 茎 蝴蝶兰 蝴蝶兰
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| GB/T 7714 | 冯彩云 , 贺雅萍 , 吕复兵 et al. 蝴蝶兰茎段组织石蜡切片方法的优化研究 [J]. | 热带作物学报 , 2025 , 46 (07) : 1618-1626 . |
| MLA | 冯彩云 et al. "蝴蝶兰茎段组织石蜡切片方法的优化研究" . | 热带作物学报 46 . 07 (2025) : 1618-1626 . |
| APA | 冯彩云 , 贺雅萍 , 吕复兵 , 陈和明 , 晏石娟 , 艾叶 et al. 蝴蝶兰茎段组织石蜡切片方法的优化研究 . | 热带作物学报 , 2025 , 46 (07) , 1618-1626 . |
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Abstract ：
Cymbidium ensifolium, an ornamental plant in China, is prized for its diverse flower colors and high aesthetic value. The flower color of C. ensifolium is significantly affected by temperature. In this research, we examined the impact of temperature on anthocyanin accumulation in the sepals of C. ensifolium ('Shi Zhang Hong') through different temperature treatments (T1, 20/15 degrees C, T2, 28/23 degrees C, T3, 36/31 degrees C), combined with metabolomics, transcriptome analysis and various experimental methods, screening for key temperature-responsive genes. The results indicated that high temperatures suppress both red pigmentation and anthocyanin accumulation in sepals, while low temperatures promote this process. Metabolomic analysis indicated that temperature primarily influences sepal coloration by regulating the abundance of cyanidin-3-O-glucoside. Notably, its abundance significantly increases under low temperatures but decreases at high temperatures. CeMYB52 was found to be a crucial transcription factor (TF) regulating anthocyanin accumulation by transcriptome analysis, with high expression at low temperatures and low expression at high temperatures. Remarkably, the spatio-temporal expression profiles of CeCHS8 and CeGST were aligned with CeMYB52. Through regulating the expression of CeCHS8 and CeGST, CeMYB52 contributes significantly to the promotion of anthocyanin biosynthesis and transport. Our findings offer a molecular basis for breeding temperature-resilient ornamental plants, contributing to agricultural sustainability under climate change.
Keyword ：
Cymbidium ensifolium Cymbidium ensifolium Flower color change Flower color change MYB transcription factor MYB transcription factor Temperature-responsive Temperature-responsive Transcriptional regulation Transcriptional regulation
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| GB/T 7714 | Wang, Mengyao , Huang, Tingting , Peng, Zhihong et al. An R2R3-MYB transcription factor regulates anthocyanin accumulation in response to temperature signals in Cymbidium ensifolium [J]. | PLANT PHYSIOLOGY AND BIOCHEMISTRY , 2025 , 228 . |
| MLA | Wang, Mengyao et al. "An R2R3-MYB transcription factor regulates anthocyanin accumulation in response to temperature signals in Cymbidium ensifolium" . | PLANT PHYSIOLOGY AND BIOCHEMISTRY 228 (2025) . |
| APA | Wang, Mengyao , Huang, Tingting , Peng, Zhihong , Wang, Shuting , Wu, Gangmu , Xiong, Longwei et al. An R2R3-MYB transcription factor regulates anthocyanin accumulation in response to temperature signals in Cymbidium ensifolium . | PLANT PHYSIOLOGY AND BIOCHEMISTRY , 2025 , 228 . |
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[目的]探讨园林落叶堆肥对土壤理化性质的优化作用及其作为草花育苗基质的适宜配比和应用效果，以实现园林落叶资源的再利用。[方法]将腐熟后的园林落叶堆肥按25%（T
Keyword ：
园林落叶堆肥 园林落叶堆肥 基质 基质 理化性质 理化性质 育苗效果 育苗效果 草花 草花
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| GB/T 7714 | 李进金 , 左艺方 , 陈长希 et al. 园林落叶堆肥作为3种草花育苗基质的应用 [J]. | 亚热带农业研究 , 2025 , 21 (01) : 37-43 . |
| MLA | 李进金 et al. "园林落叶堆肥作为3种草花育苗基质的应用" . | 亚热带农业研究 21 . 01 (2025) : 37-43 . |
| APA | 李进金 , 左艺方 , 陈长希 , 祝赫 , 邢璐 , 艾叶 . 园林落叶堆肥作为3种草花育苗基质的应用 . | 亚热带农业研究 , 2025 , 21 (01) , 37-43 . |
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BackgroundOrchids are well-known for their rich diversity of species as well as wide range habitats. Their floral structures are so unique in angiosperms that many of orchids are economically and culturally important in human society. Orchids pollination strategy and evolutionary trajectory are also fantastic human for centuries. Previously, OrchidBase was created not only for storage and management of orchid genomic and transcriptomic information including Apostasia shenzhenica, Dendrobium catenatum, Phalaenopsis equestris, and two species of Platanthera that belong to three different subfamilies of Orchidaceae, but explored orchid genetic sequences for their function. The OrchidBase offers an opportunity for the plant science community to compare orchid genomes and transcriptomes, and retrieve orchid sequences for further study.DescriptionRecently, three whole-genome sequences of the Epidendroideae species, Cymbidium sinense, C. ensifolium and C. goeringii, were sequenced de novo, assembled, and analyzed. In addition, the systemic transcriptomes of these three species have been established. We included these datasets to develop a new version of OrchidBase 6.0. Furthermore, four new analytical methods, namely regulation, updated transcriptome, advanced BLAST, and domain search, were developed for orchid genome analyses.ConclusionOrchidBase 6.0 extended genetic information to that of eight orchid species and created new tools for an expanded community curation in response to the ever-increasing volume and complexity of data.
Keyword ：
Cymbidium Cymbidium Genome Genome Orchid Orchid OrchidBase OrchidBase Transcriptome Transcriptome Whole-genome sequencing Whole-genome sequencing
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| GB/T 7714 | Chen, You-Yi , Sun, Ye , Li, Chung-, I et al. OrchidBase 6.0: increasing the number of Cymbidium (Orchidaceae) genomes and new bioinformatic tools for orchid genome analysis [J]. | BMC PLANT BIOLOGY , 2025 , 25 (1) . |
| MLA | Chen, You-Yi et al. "OrchidBase 6.0: increasing the number of Cymbidium (Orchidaceae) genomes and new bioinformatic tools for orchid genome analysis" . | BMC PLANT BIOLOGY 25 . 1 (2025) . |
| APA | Chen, You-Yi , Sun, Ye , Li, Chung-, I , Lin, Shao-Ting , Zheng, Hao-Chen , Zhang, Zhe-Bin et al. OrchidBase 6.0: increasing the number of Cymbidium (Orchidaceae) genomes and new bioinformatic tools for orchid genome analysis . | BMC PLANT BIOLOGY , 2025 , 25 (1) . |
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BackgroundPhalaenopsis orchids, belonging to the Orchidaceae family, one of the largest groups of angiosperms, possess significant commercial value due to their fascinating flowers. Petal size is a vital trait that directly determines flower size and shape of Phalaenopsis. However, the genetic and developmental regulation of petal size in Phalaenopsis remains unexplored.ResultsIn this study, we tracked the petal growth pattern through five stages of flower opening, discovering that cell division stops at stage 2 and stages 3 to 5 are the critical periods of rapid petal expansion. RNA-seq was then conducted to further reveal the molecular mechanisms underlying petal size regulation. Gene ontology (GO) analysis indicated that the differentially expressed genes (DEGs) from the four comparable groups were both enriched in terms related to cell expansion. Endogenous hormone assays showed that auxin, cytokinin, and gibberellin were implicated in the petal growth of Phalaenopsis. Moreover, six auxin signaling pathway genes, 11 cell expansion-related genes, and 30 transcription factors (TFs) identified through trend analysis were abundantly expressed during the critical period of petal expansion, suggesting that they may influence petal size by regulating cell expansion. In contrast, 18 TFs exhibited the highest expression levels at the S1 stage, indicating their potential role in petal cell proliferation. Based on weighted gene co-expression network analysis (WGCNA), six hub genes (PaLOF2, PaSWEET11, PaVNI2, PaHDA3, PaPMEI3, PaXTH30) were screened from the green and yellow module which was highly associated with the petal size.ConclusionOur results lay a foundation for further exploration of the molecular mechanisms regulating petal size development and are significant for molecular breeding programs aimed at generating novel Phalaenopsis with desirable traits.
Keyword ：
Cell division Cell division Cell expansion Cell expansion Differentially expressed genes Differentially expressed genes Petal growth Petal growth Phalaenopsis Phalaenopsis RNA-seq RNA-seq
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| GB/T 7714 | Guan, Yunxiao , Zhang, Qiaoyu , Zhang, Ting et al. Transcriptome analysis reveals the mechanisms underlying petal growth during the flower opening process in Phalaenopsis orchids [J]. | BMC PLANT BIOLOGY , 2025 , 25 (1) . |
| MLA | Guan, Yunxiao et al. "Transcriptome analysis reveals the mechanisms underlying petal growth during the flower opening process in Phalaenopsis orchids" . | BMC PLANT BIOLOGY 25 . 1 (2025) . |
| APA | Guan, Yunxiao , Zhang, Qiaoyu , Zhang, Ting , Li, Minghe , Ai, Ye , Zhai, Junwen et al. Transcriptome analysis reveals the mechanisms underlying petal growth during the flower opening process in Phalaenopsis orchids . | BMC PLANT BIOLOGY , 2025 , 25 (1) . |
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Abstract ：
为了研究国兰杂交后代表型性状的分离和遗传变异规律，本研究以春兰（Cymbidium goeringii）和蕙兰（C. faberi）种间杂交F
Keyword ：
兰属 兰属 杂种优势 杂种优势 种间杂交 种间杂交 表型性状 表型性状 遗传变异 遗传变异
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| GB/T 7714 | 周小琴 , 陈桂珍 , 孙佳婷 et al. 春兰和蕙兰种间杂交F 1 代表型性状遗传变异分析 [J]. | 分子植物育种 , 2025 , 23 (11) : 3679-3691 . |
| MLA | 周小琴 et al. "春兰和蕙兰种间杂交F 1 代表型性状遗传变异分析" . | 分子植物育种 23 . 11 (2025) : 3679-3691 . |
| APA | 周小琴 , 陈桂珍 , 孙佳婷 , 刘舒雅 , 刘钰颖 , 张燕萍 et al. 春兰和蕙兰种间杂交F 1 代表型性状遗传变异分析 . | 分子植物育种 , 2025 , 23 (11) , 3679-3691 . |
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Anthracnose, caused by Colletotrichum gloeosporioides (Cog), severely constrains the Cymbidium ensifolium industry. To investigate the molecular underpinnings of resistance and the host-pathogen interaction strategies between C. ensifolium and Cog, we employed transcriptomics and metabolomics to compare the post-infection responses of the Cog-resistant (RV) and Cog-susceptible (SV) C. ensifolium varieties. Our integrated analysis reveals that resistance to Cog in C. ensifolium is partially mediated by the targeted accumulation of phenylpropane pathway metabolites, especially those involved in flavone and flavonol biosynthesis. Metabolites including rutin, lonicerin, nicotiflorin, apiin, and coniferin exhibited highly significant accumulation in the RV. The massive accumulation of various flavonoids in the SV was consistent with the gene expression trends in the phenylpropanoid pathway, a pattern indicative of an antioxidant stress response driven by stress reprogramming. A similar phenomenon was also observed in the core reactive oxygen species (ROS) scavenging pathway, glutathione metabolism. This ultimately results in two distinct outcomes: a potent, antifungal defense reprogramming in the RV versus an antioxidant-focused stress reprogramming in the SV. The observed trade-offs between antifungal and antioxidant activities in these varieties provide novel insights into the multilevel regulatory networks governing plant-pathogen interactions. Our study illuminates this sophisticated defense strategy of C. ensifolium against Cog, identifying core metabolites and pathways that now serve as a guide for targeted resistance breeding programs.
Keyword ：
Antioxidant Antioxidant Colletotrichum gloeosporioides Colletotrichum gloeosporioides Cymbidium ensifolium Cymbidium ensifolium Flavonoids Flavonoids Phenylpropanoid pathway Phenylpropanoid pathway Resistance strategy Resistance strategy
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| GB/T 7714 | Li, Peng , Lan, Linying , Xiong, Longwei et al. Integrated transcriptome and metabolome analysis reveal a reprogramming of phenylpropanoid pathway and antioxidant activity in Cymbidium ensifolium resistance to anthracnose [J]. | JOURNAL OF PLANT PHYSIOLOGY , 2025 , 315 . |
| MLA | Li, Peng et al. "Integrated transcriptome and metabolome analysis reveal a reprogramming of phenylpropanoid pathway and antioxidant activity in Cymbidium ensifolium resistance to anthracnose" . | JOURNAL OF PLANT PHYSIOLOGY 315 (2025) . |
| APA | Li, Peng , Lan, Linying , Xiong, Longwei , Tian, Yang , Wu, Gangmu , Peng, Donghui et al. Integrated transcriptome and metabolome analysis reveal a reprogramming of phenylpropanoid pathway and antioxidant activity in Cymbidium ensifolium resistance to anthracnose . | JOURNAL OF PLANT PHYSIOLOGY , 2025 , 315 . |
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