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学者姓名：刘仲健
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Abstract ：
Genes that introgress between species can influence the evolutionary and ecological fate of recipients exposed to novel environments. However, key questions on the patterns and molecular mechanisms of introgression in perennial herbaceous plants, which enable distantly related invasive species to thrive in extreme habitats, remain largely unanswered. Here, we report unidirectional introgression from the local species Dendrobium huoshanense to the distantly related invasive species Dendrobium catenatum (Den-drobium officinale) in lithophytic habitats of eastern China. The introgressed regions, which comprise approximately 1% of the genome, contain genes that regulate responses to drought, cold, and metal-ion stresses. Notably, introgressed loci such as CDPK, HHP, PIF, BRI1, and FYshow distinct selection signatures and differential expression compared with their paralogs, each playing a distinct role in drought and cold-stress responses. In addition, CIPK23, PDR9, and HAM demonstrate differential expression relative to their paralogous genes and alleles within introgressed loci, indicating their potential involvement in responses to metal-ion stress. Introgression thus facilitates the colonization of arid, metal-enriched sedimentary habitats by D. catenatum. These findings enhance our understanding of Orchidaceae evolution and reveal the evolutionary role of unidirectional introgression in the adaptation of perennial herbaceous plants to extreme environments.
Keyword ：
Dendrobium Dendrobium distantly related species distantly related species introgression introgression invasive species invasive species metal-ion stress metal-ion stress
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| GB/T 7714 | Jiao Zhenbin , Ren Zhiyao , Hu Chao et al. Unidirectional genomic introgression facilitates the colonization of an invasive orchid in arid, metal-enriched sedimentary habitats [J]. | PLANT COMMUNICATIONS , 2026 , 7 (1) . |
| MLA | Jiao Zhenbin et al. "Unidirectional genomic introgression facilitates the colonization of an invasive orchid in arid, metal-enriched sedimentary habitats" . | PLANT COMMUNICATIONS 7 . 1 (2026) . |
| APA | Jiao Zhenbin , Ren Zhiyao , Hu Chao , Ma Xiaokai , Zhang Guo-Qiang , Chen Li-Jun et al. Unidirectional genomic introgression facilitates the colonization of an invasive orchid in arid, metal-enriched sedimentary habitats . | PLANT COMMUNICATIONS , 2026 , 7 (1) . |
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本发明公开了一种蝴蝶兰鲜切花保鲜液，本发明涉及鲜切花采后保鲜领域，主要公开了保鲜液的最佳组合为含有2g/L蔗糖、250mg/L柠檬酸、0.5g/L 20％二氯异氰尿酸钠以及5mg/m3 1‑甲基环丙稀，余量为水，该保鲜液具有促进蝴蝶兰花朵开放、有效延缓蝴蝶兰花朵衰老，抑制花瓣脱落，延长蝴蝶兰切花瓶插期的效果。
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| GB/T 7714 | 周育真 , 黄瑞柳 , 仝恩慧 et al. 一种蝴蝶兰鲜切花保鲜液及其应用 : CN202411243959.8[P]. | 2024-09-05 . |
| MLA | 周育真 et al. "一种蝴蝶兰鲜切花保鲜液及其应用" : CN202411243959.8. | 2024-09-05 . |
| APA | 周育真 , 黄瑞柳 , 仝恩慧 , 詹苏颖 , 苏秋丽 , 赵凯 et al. 一种蝴蝶兰鲜切花保鲜液及其应用 : CN202411243959.8. | 2024-09-05 . |
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Angraecum sesquipedale, also known as Darwin's orchid, possesses an exceptionally long nectar spur. Charles Darwin predicted the orchid to be pollinated by a hawkmoth with a correspondingly long proboscis, later identified as Xanthopan praedicta. In this plant-pollinator interaction, the A. sesquipedale flower emits a complex blend of scent compounds dominated by diurnally regulated oximes (R1R2C = N-OH) to attract crepuscular and nocturnal pollinators. The molecular mechanism of oxime biosynthesis remains unclear in orchids. Here, we present the chromosome-level genome of A. sesquipedale. The haploid genome size is 2.10 Gb and represents 19 pseudochromosomes. Cytochrome P450 encoding genes of the CYP79 family known to be involved in oxime biosynthesis in seed plants are not present in the A. sesquipedale genome nor the genomes of other members of the orchid family. Metabolomic analysis of the A. sesquipedale flower revealed a substantial release of oximes at dusk during the blooming stage. By integrating metabolomic and transcriptomic correlation approaches, flavin-containing monooxygenases (FMOs) encoded by six tandem-repeat genes in the A. sesquipedale genome are identified as catalyzing the formation of oximes present. Further in vitro and in vivo assays confirm the function of FMOs in the oxime biosynthesis. We designate these FMOs as orchid oxime synthases 1-6. The evolutionary aspects related to the CYP79 gene losses and neofunctionalization of FMO-catalyzed biosynthesis of oximes in Darwin's orchid provide new insights into the convergent evolution of biosynthetic pathways.
Keyword ：
Angraecum sesquipedale Angraecum sesquipedale convergent evolution convergent evolution CYP79 absence CYP79 absence flavin monooxygenase flavin monooxygenase white floral scent white floral scent whole genome sequence whole genome sequence
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| GB/T 7714 | Jiang, Kai , Moller, Birger Lindberg , Luo, Shaofan et al. Genomic, transcriptomic, and metabolomic analyses reveal convergent evolution of oxime biosynthesis in Darwin's orchid [J]. | MOLECULAR PLANT , 2025 , 18 (3) : 392-415 . |
| MLA | Jiang, Kai et al. "Genomic, transcriptomic, and metabolomic analyses reveal convergent evolution of oxime biosynthesis in Darwin's orchid" . | MOLECULAR PLANT 18 . 3 (2025) : 392-415 . |
| APA | Jiang, Kai , Moller, Birger Lindberg , Luo, Shaofan , Yang, Yu , Nelson, David R. , Neilson, Elizabeth Heather Jakobsen et al. Genomic, transcriptomic, and metabolomic analyses reveal convergent evolution of oxime biosynthesis in Darwin's orchid . | MOLECULAR PLANT , 2025 , 18 (3) , 392-415 . |
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Sucrose non-fermenting 1-related protein kinases (SnRKs) are crucial for modulating plant responses to abiotic stresses, linking metabolism with stress signaling pathways. Investigating the roles and stress responses of SnRKs in plants paves the way for developing stress-tolerant strategies in orchid species. Here, 362 SnRK members were identified from nine current orchid genomes, highlighting the conservation of these genes in evolution. Among these, 33 CeSnRKs were found across 20 chromosomes of C. ensifolium genome. Multiple duplication events increased the complexity of CeSnRKs during independent evolution. Moreover, distinct functional domains beyond the kinase domain differentiated the subfamilies. These multi-copy members existed tissue specific expressions falling into 6 main trends, especially CeSnRK1, CeCIPK9, CeCIPK23 displayed a strict floral expression. ABA-related elements were enriched in the promoters of CeSnRKs, and stress-related miRNA binding sites were identified on partial CeSnRKs. Consequently, most CeSnRKs exhibited up-regulated expression during ABA treatment. Several genes, such as CeSnRK2.1 and CeCIPK28 involved growth and development at different times and various tissues. The up-regulation of SnRK2.1, along with high expression of SnRK1 and CIPK27 under drought stress, and the differential expression patterns of CeSnRKs under cold stress, underscore the involvement of CeSnRK genes in different stress responses. Additionally, the diverse interactions of CeSnRKs with proteins highlighted a multifaceted functional network.These findings offer valuable insights for the future functional characterization formation of CeSnRKs and the adaptive evolution of genes in orchids.
Keyword ：
ABA response ABA response Abiotic stress Abiotic stress Evolution Evolution Expression patterns Expression patterns Orchidaceae Orchidaceae
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| GB/T 7714 | Zheng, Ruiyue , Zhao, Kai , Chen, Jiemin et al. Genomic signatures of SnRKs highlighted conserved evolution within orchids and stress responses through ABA signaling in the Cymbidium ensifolium [J]. | BMC PLANT BIOLOGY , 2025 , 25 (1) . |
| MLA | Zheng, Ruiyue et al. "Genomic signatures of SnRKs highlighted conserved evolution within orchids and stress responses through ABA signaling in the Cymbidium ensifolium" . | BMC PLANT BIOLOGY 25 . 1 (2025) . |
| APA | Zheng, Ruiyue , Zhao, Kai , Chen, Jiemin , Zhu, Xuanyi , Peng, Yukun , Shen, Mingli et al. Genomic signatures of SnRKs highlighted conserved evolution within orchids and stress responses through ABA signaling in the Cymbidium ensifolium . | BMC PLANT BIOLOGY , 2025 , 25 (1) . |
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The fully mycoheterotrophic orchid Gastrodia Brown (1810: 330; Gastrodieae, Epidendroideae) comprises 103 species (POWO, 2024) and is widespread from India, southern China throughout Southeast Asia to Japan, eastern Australia, New Zealand, Pacific islands, Madagascar-Mascarene Islands and tropical Africa (Pridgeon et al. 2005, Chase et al. 2015, Chen et al. 2023). In China the members of this genus are distributed mainly in southern China, including Fujian, Guangxi, Guangdong, Hong Kong, Hainan, Yunnan and Taiwan (Liu et al. 2021, Zhou et al. 2021, Huang et al. 2021). On Hainan Island, four species, namely Gastrodia longitubularis Meng, Song & Luo (2007: 23), G. punctata Aver. (2006: 21, Lu et al. 2017), G. menghaiensis Tsi & Chen (2021: 703), and G. bawanglingensis Z.H.Chen, Z.Y.Zhang & X.Q.Song in Chen et al. (2023: 39) have been reported from the tropical rainforest. Here, we add another new species to this genus. This new species was found during our field investigation in the karst forests of Hainan Island. After undertaking a review of the literature (Meng et al. 2008, Chen et al. 2009, Chen et al. 2023, POWO 2024), we confirmed that it is a new species, described below.
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| GB/T 7714 | Huang, Ming-zhong , Wei, Chunyi , Li, Ruyi et al. Gastrodia exianlingensis (Gastrodieae, Epidendroideae), a new species of Orchidaceae from Hainan, China [J]. | PHYTOTAXA , 2025 , 689 (1) : 158-162 . |
| MLA | Huang, Ming-zhong et al. "Gastrodia exianlingensis (Gastrodieae, Epidendroideae), a new species of Orchidaceae from Hainan, China" . | PHYTOTAXA 689 . 1 (2025) : 158-162 . |
| APA | Huang, Ming-zhong , Wei, Chunyi , Li, Ruyi , Tu, Xiongde , Zhao, Xuewei , Lan, Siren et al. Gastrodia exianlingensis (Gastrodieae, Epidendroideae), a new species of Orchidaceae from Hainan, China . | PHYTOTAXA , 2025 , 689 (1) , 158-162 . |
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The MADS-box transcription factor gene family is essential for the differentiation and development of floral organs. Genome-wide and transcriptome data from Phoebe bournei provide the foundation for studying its floral development. In this study, phylogenetic relationships, protein characteristics, conserved domains, gene structures, and cis-acting elements in promoter regions of P. bournei MADS-box genes were systematically analyzed through bioinformatics methodologies. A total of 69 PbMADS genes were identified and classified into 15 subfamilies based on their phylogenetic relationships. The potential functions of these genes were inferred based on transcriptomic data and GO classification. In addition, we selected genes from the ABCDE model to analyze protein interactions and performed RT-qPCR to analyze their expression in each floral organ whorl (outer tepals, inner tepals, stamens, and carpel). Based on these analyses, we rationally constructed a model for the floral organ development in P. bournei. This study, thus, provides a theoretical reference for germplasm innovation in P. bournei and offers insights into the floral development in other Lauraceae species.
Keyword ：
ABCDE model ABCDE model flowering flowering Lauraceae Lauraceae MADS-box MADS-box Phoebe bournei Phoebe bournei
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| GB/T 7714 | Bi, Yuanyang , Fu, Houhua , Jiang, Zihan et al. Integrating Genome and Transcriptome-Wide Data to Explore the Expression Dynamics of ABCDE-like MADS-Box Genes in Phoebe bournei Floral Organs [J]. | FORESTS , 2025 , 16 (2) . |
| MLA | Bi, Yuanyang et al. "Integrating Genome and Transcriptome-Wide Data to Explore the Expression Dynamics of ABCDE-like MADS-Box Genes in Phoebe bournei Floral Organs" . | FORESTS 16 . 2 (2025) . |
| APA | Bi, Yuanyang , Fu, Houhua , Jiang, Zihan , Jiang, Yan , You, Limei , Li, Can et al. Integrating Genome and Transcriptome-Wide Data to Explore the Expression Dynamics of ABCDE-like MADS-Box Genes in Phoebe bournei Floral Organs . | FORESTS , 2025 , 16 (2) . |
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The Fagaceae family, comprising over 900 species, is an essential component of Northern Hemisphere forest ecosystems. However, genomic data for tropical and subtropical genera Castanopsis and Castanea remain limited compared to the well-studied oak. Here, we present chromosome-level genome assemblies of Castanopsis carlesii and Castanea henryi, with assembled genome sizes of 927.24 Mb (N50 = 1.57 Mb) and 780.10 Mb (N50 = 1.07 Mb), respectively, and repetitive sequence contents of 45.79% and 44.88%. Comparative genomic analysis revealed that the estimated divergence time between Castanopsis and Castanea was determined to be 48.3 Mya and provided evidence that both genera experienced only one of the ancient whole genome triplication event (gamma event) shared with most eudicots. The development of C. carlesii flower bracts and cupules was controlled by A- and E-class genes, suggesting that the cupules may originate from the bracts. Additionally, genes involved in sucrose and starch metabolism genes played distinct roles during C. carlesii fruit development. The amplification of the nucleotide-binding leucine-rich repeat (NLR) gene family in Fagaceae exhibited similarities, indicating that this expansion may be an adaptation to similar environmental pressures. This study provides valuable genomic resources for Asian Fagaceae and enhances our understanding of Fagaceae evolution.
Keyword ：
Fagaceae Fagaceae Genomics Genomics MADS-box genes MADS-box genes Resistance genes Resistance genes Sucrose-starch metabolism Sucrose-starch metabolism
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| GB/T 7714 | Tu, Xiong-De , Lin, Wen-Jun , Xin, Ya-Xuan et al. Genomic insights into Castanopsis carlesii and Castanea henryi: flower and fruit development and evolution of NLR genes in the beech-oak family [J]. | MOLECULAR HORTICULTURE , 2025 , 5 (1) . |
| MLA | Tu, Xiong-De et al. "Genomic insights into Castanopsis carlesii and Castanea henryi: flower and fruit development and evolution of NLR genes in the beech-oak family" . | MOLECULAR HORTICULTURE 5 . 1 (2025) . |
| APA | Tu, Xiong-De , Lin, Wen-Jun , Xin, Ya-Xuan , Fu, Hou-Hua , Zhou, Cheng-Yuan , Lin, Yi-Zhe et al. Genomic insights into Castanopsis carlesii and Castanea henryi: flower and fruit development and evolution of NLR genes in the beech-oak family . | MOLECULAR HORTICULTURE , 2025 , 5 (1) . |
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Aldehydes serve as intermediates in various metabolic processes, and their excessive accumulation can disrupt normal plant metabolic activities. Environmental stressors, including drought and salinity, can trigger the generation of reactive oxygen species (ROS), which results in elevated levels of aldehydes within plant cells. Aldehyde dehydrogenases (ALDHs) are recognized as key enzymes that act as 'aldehyde scavengers' capable of detoxifying the harmful aldehydes produced during oxidative stress conditions. Orchids constitute one of the largest families within angiosperms and possess significant economic value. However, genetic data for these non-model plants are limited, and the molecular mechanisms underlying orchid responses to abiotic stress remain poorly understood. In this study, we identified 17, 14, and 21 ALDH family members in three Cymbidium orchids: C. sinense, C. ensifolium, and C. goeringii, respectively. We conducted comprehensive analyses of their conserved domains, promoter elements, and collinearity relationships and predicted the interaction networks of ALDH proteins and microRNA binding sites in these three orchid species. Furthermore, we subjected C. sinense to drought and high salt-stress treatments and examined its expression patterns under these conditions using quantitative real-time PCR (qRT-PCR). Subcellular localization experiments were also performed on genes that exhibited significant responses to stress. Our findings provide valuable insights into the molecular mechanisms of stress resistance in orchids and contribute to a deeper understanding of their potential applications as ornamental plants.
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| GB/T 7714 | Wang, Linying , Zheng, Ruiyue , Zhang, Cuili et al. Aldehyde dehydrogenase superfamily of three Cymbidium orchids: genome-wide identification and response models to drought and salt stress [J]. | ORNAMENTAL PLANT RESEARCH , 2025 , 5 . |
| MLA | Wang, Linying et al. "Aldehyde dehydrogenase superfamily of three Cymbidium orchids: genome-wide identification and response models to drought and salt stress" . | ORNAMENTAL PLANT RESEARCH 5 (2025) . |
| APA | Wang, Linying , Zheng, Ruiyue , Zhang, Cuili , Chen, Chen , Lu, Jiayi , Zhao, Xi et al. Aldehyde dehydrogenase superfamily of three Cymbidium orchids: genome-wide identification and response models to drought and salt stress . | ORNAMENTAL PLANT RESEARCH , 2025 , 5 . |
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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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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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