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学者姓名：陈冬梅
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Abstract ：
Volatile organic compounds (VOCs) play a key role in plant communication with other organisms in the natural environment. However, the regulatory role of the phytohormone ethylene in volatile production in plants remains unclear. In this study, we demonstrated that the application of an ethylene precursor and amplification of ethylene signaling make rice plants more attractive to brown planthopper (BPH) females for feeding and oviposition. A combination of transcriptome and VOCs analyses indicated that overexpression of OsEIL1, a master transcription factor in the ethylene pathway, influences the transcript levels of several terpene synthase genes as well as the production of volatile terpenes. Further investigation revealed that the expression of the limonene synthase gene, OsTPS19, was down-regulated in OsEIL1-overexpressing rice plants, leading to a decrease in limonene production and release. Genetic analysis confirmed the essential role of limonene in the OsEIL1-mediated attractiveness of rice plants to BPH. Our findings provide new perspectives for understanding the role of ethylene signaling in volatile-mediated plant-insect interactions.
Keyword ：
ethylene signaling ethylene signaling limonene limonene Oryza sativa Oryza sativa plant-insect interaction plant-insect interaction
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| GB/T 7714 | Lu, Long , Zhang, Rongjun , Zhang, Zaoli et al. Ethylene-Mediated Production and Emission of Limonene Influence Brown Planthopper Preference for Rice Plants [J]. | JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY , 2025 , 73 (5) : 2890-2901 . |
| MLA | Lu, Long et al. "Ethylene-Mediated Production and Emission of Limonene Influence Brown Planthopper Preference for Rice Plants" . | JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 73 . 5 (2025) : 2890-2901 . |
| APA | Lu, Long , Zhang, Rongjun , Zhang, Zaoli , Hou, Mengjiao , Zeng, Qiyue , Li, Long et al. Ethylene-Mediated Production and Emission of Limonene Influence Brown Planthopper Preference for Rice Plants . | JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY , 2025 , 73 (5) , 2890-2901 . |
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Interactions between different hormones plays a central role in plant trade-off between growth and defense. Auxin is a pivotal growth hormone and jasmonates (JA) are key hormones for plant responses to environmental stressors. In this study we examined the interactions between auxin and JA in rice (Oryza sativa L.) by integration of transcriptome and phytohormone analyses. Exogenous application of methyl jasmonate (MeJA) to rice leaves led to markedly increased accumulation of jasmonic acid (JA), MeJA, and dihydrojasmonic acid (DJA) in both leaves and roots, as well as N-jasmonic acid isoleucine (JA-Ile) in the leaves. Importantly, MeJA application significantly influenced auxin biosynthesis and orchestrated large-scale changes in transcriptional regulation of L-tryptophan (Trp) biosynthesis, as well as indole-3-acetic acid (IAA) biosynthesis, catabolism, signaling transduction, and transport in rice leaves and roots, leading to notably decreased IAA in the leaves and roots, but increased levels of indole-3-carboxylic acid (ICA) and indole-3-carboxaldehyde (ICAld) in the leaves. Our findings suggest that JA signaling suppresses auxin signaling by reducing Trp flux into the indole-3-pyruvic acid (IPA) pathway, while enhancing Trp flux into the tryptamine (TAM) pathway, thereby fine-tuning rice growth upon JA burst.
Keyword ：
antagonistic interaction antagonistic interaction auxin auxin hormone crosstalk hormone crosstalk indole-3-acetic acid indole-3-acetic acid jasmonate signaling jasmonate signaling transcriptome transcriptome
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| GB/T 7714 | Wu, Xiaoying , Cao, Yuting , Chen, Yeye et al. Integration of transcriptome and phytohormone analyses reveals antagonistic interactions between jasmonate and auxin signaling pathways in rice (Oryza sativa L.) [J]. | FRONTIERS IN PLANT SCIENCE , 2025 , 16 . |
| MLA | Wu, Xiaoying et al. "Integration of transcriptome and phytohormone analyses reveals antagonistic interactions between jasmonate and auxin signaling pathways in rice (Oryza sativa L.)" . | FRONTIERS IN PLANT SCIENCE 16 (2025) . |
| APA | Wu, Xiaoying , Cao, Yuting , Chen, Yeye , Xiong, Wei , Cao, Gaorong , Zeng, Yan et al. Integration of transcriptome and phytohormone analyses reveals antagonistic interactions between jasmonate and auxin signaling pathways in rice (Oryza sativa L.) . | FRONTIERS IN PLANT SCIENCE , 2025 , 16 . |
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本发明涉及染色体实验领域，具体公开了一种染色体实验用敲片装置，包括支撑机构和敲片机构；所述支撑机构包括支撑台组件，所述支撑台组件上安装有转动架组件，所述支撑台组件的外侧还固定安装有电机一，所述电机一驱动转动架组件转动；所述敲片机构包括安装臂组件和敲片组件，所述敲片组件安装于安装臂组件上；本发明通过电机一驱动转动架组件转动，进而带动敲片机构转动，使敲片组件能够快速移动到盖玻片的上侧，实现了敲片过程的自动化和操作的便捷性；向上移动推块，圆杆一带动橡胶头上移，同时推环上移压缩弹簧一；松开推块后，弹簧一复位推动推环下移，进而使圆杆一带动橡胶头快速下移敲击在盖玻片上。
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| GB/T 7714 | 孔令琪 , 孙帆 , 陈冬梅 et al. 一种染色体实验用敲片装置 : CN202511044488.2[P]. | 2025-07-29 . |
| MLA | 孔令琪 et al. "一种染色体实验用敲片装置" : CN202511044488.2. | 2025-07-29 . |
| APA | 孔令琪 , 孙帆 , 陈冬梅 , 哈斯巴根 , 纪磊 , 王海 et al. 一种染色体实验用敲片装置 : CN202511044488.2. | 2025-07-29 . |
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本发明涉及生物技术领域，具体公开了一种用于燕麦染色体核型检测的样品处理方法，包括以下步骤：S1、根尖预处理：取燕麦种子萌发后的根尖组织，置于含0.05％‑0.1％秋水仙素的N2O气体环境中处理2‑3小时，随后转移至预冷至4℃的冰醋酸‑乙醇混合液中固定15‑20分钟；S2、酶解处理：将固定后的根尖组织切取1‑2mm，浸入酶解液中，于35‑38℃下酶解30‑40分钟；本发明通过控制根尖组织在含0.05％‑0.1％秋水仙素的N2O气体环境中的处理时间和压力0.5‑0.8MPa，以及处理温度20‑25℃，本发明有效促进了细胞分裂中期的停滞，从而显著提高了染色体的分散效果；通过改良的固定液不仅能够有效固定染色体形态，防止其在后续处理过程中发生变化，还能够显著抑制微生物污染，延长样品的保存时间。
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| GB/T 7714 | 孔令琪 , 孙帆 , 林克剑 et al. 一种用于燕麦染色体核型检测的样品处理方法 : CN202510435646.0[P]. | 2025-04-09 . |
| MLA | 孔令琪 et al. "一种用于燕麦染色体核型检测的样品处理方法" : CN202510435646.0. | 2025-04-09 . |
| APA | 孔令琪 , 孙帆 , 林克剑 , 陈冬梅 , 李元恒 , 王召明 et al. 一种用于燕麦染色体核型检测的样品处理方法 : CN202510435646.0. | 2025-04-09 . |
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The release of herbivore-induced plant volatiles (HIPVs) has been recognized to be an important strategy for plant adaptation to herbivore attack. However, whether these induced volatiles are beneficial to insect herbivores, particularly insect larvae, is largely unknown. We used the two important highly polyphagous lepidopteran pests Spodoptera frugiperda and S. litura to evaluate the benefit on xenobiotic detoxification of larval exposure to HIPVs released by the host plant maize (Zea mays). Larval exposure of the invasive alien species S. frugiperda to maize HIPVs significantly enhanced their tolerance to all three of the well-known defensive compounds 2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one (DIMBOA), chlorogenic acid, and tannic acid in maize and the two commonly used insecticides methomyl and chlorpyrifos. HIPV exposure also improved the larval tolerance of S. litura third instars to chlorogenic and tannic acids. Furthermore, larval exposure to either maize HIPVs or DIMBOA induced the activities of cytochrome P450 enzymes (P450s), glutathione-s-transferase (GST), and carboxylesterase (CarE) in the midguts and fat bodies of the two insects, while the induction was significantly higher by the two components together. In addition, the expression of four genes encoding uridine diphosphate (UDP)-glycosyltransferases (UGT33F28, UGT40L8) and P450s (CYP4d8, CYP4V2) showed similar induction patterns in S. frugiperda. Cis-3-hexen-1-ol, an important component in maize HIPVs, also showed the same functions as maize HIPVs, and its exposure increased larval xenobiotic tolerance and induced the detoxification enzymes and gene expression. Our findings demonstrate that HIPVs released by the pest-infested host plants are conductive to the xenobiotic tolerance of lepidopteran insect larvae. Hijacking the host plant HIPVs is an important strategy of the invasive alien polyphagous lepidopteran pest to counter-defend against the host plant's chemical defense.
Keyword ：
cytochrome P450 cytochrome P450 DIMBOA DIMBOA herbivore-induced plant volatiles herbivore-induced plant volatiles Spodoptera frugiperda Spodoptera frugiperda xenobiotic xenobiotic
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| GB/T 7714 | Wang, Peng , Zeng, Qiyue , Zhao, Yi et al. Maize Herbivore-Induced Volatiles Enhance Xenobiotic Detoxification in Larvae of Spodoptera frugiperda and S. litura [J]. | PLANTS-BASEL , 2025 , 14 (1) . |
| MLA | Wang, Peng et al. "Maize Herbivore-Induced Volatiles Enhance Xenobiotic Detoxification in Larvae of Spodoptera frugiperda and S. litura" . | PLANTS-BASEL 14 . 1 (2025) . |
| APA | Wang, Peng , Zeng, Qiyue , Zhao, Yi , Sun, Xiaomin , Han, Yongqiang , Zeng, Rensen et al. Maize Herbivore-Induced Volatiles Enhance Xenobiotic Detoxification in Larvae of Spodoptera frugiperda and S. litura . | PLANTS-BASEL , 2025 , 14 (1) . |
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Rice (Oryza sativa L.) is critical for providing energy and nutrients and ensuring food security for over half of the world's population. However, like other crop plants, rice is vulnerable to various environmental stresses. To combat these stresses, plants accumulate numerous secondary metabolites known as phytoalexins. Hydroxycinnamic acid amides (HCAAs) are a widely distributed class of phenylpropanoid-derived phytoalexins with diverse biological functions. Increasing evidence highlights their pivotal roles in both abiotic and biotic stress responses, as well as in the modulation of plant growth and development. HCAAs are synthesized by inducible hydroxycinnamoyl transferases acting on the free amines and hydroxycinnamic acids, which provide HCAAs with a variety of metabolic, chemical, and functional capabilities due to diverse combinations among the parent compounds. This review synthesizes current knowledge to emphasize the importance of rice HCAAs, providing a comprehensive examination of their biosynthesis, distribution, biological functions, and regulatory mechanisms, particularly in relation to stress tolerance. Furthermore, the review seeks to further explore beneficial properties of HCAAs, as well as to advance their potential application in genetic breeding to develop elite crops.
Keyword ：
biosynthesis biosynthesis environmental stress environmental stress hydroxycinnamic acid amide hydroxycinnamic acid amide metabolite metabolite plant defense plant defense rice rice
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| GB/T 7714 | Xue, Rongrong , Gao, Ning , Chen, Jing et al. Hydroxycinnamic acid amides in rice: biosynthesis, distribution, function, and implication for crop development [J]. | FRONTIERS IN PLANT SCIENCE , 2025 , 16 . |
| MLA | Xue, Rongrong et al. "Hydroxycinnamic acid amides in rice: biosynthesis, distribution, function, and implication for crop development" . | FRONTIERS IN PLANT SCIENCE 16 (2025) . |
| APA | Xue, Rongrong , Gao, Ning , Chen, Jing , Wu, Zicha , Sun, Na , Li, Ying et al. Hydroxycinnamic acid amides in rice: biosynthesis, distribution, function, and implication for crop development . | FRONTIERS IN PLANT SCIENCE , 2025 , 16 . |
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Cadmium (Cd) is a highly toxic element that significantly threatens plant growth and human health. Brassinosteroids (BRs) and salicylic acid (SA) are crucial phytohormones involved in plant growth and defense. While the mechanisms by which BRs and SA individually regulate various plant biological processes have been extensively studied, their interaction with Cd in rice (Oryza sativa L.) remains poorly understood. In this study, we demonstrated that SLENDER GRAIN (OsSLG), a BR biosynthesis-related gene, plays a critical role in regulating in rice. Overexpression of OsSLG enhanced Cd tolerance, whereas OsSLG RNA interference (RNAi) lines (OsSLG-Ri) exhibited hypersensitivity to Cd stress. Exogenous BR treatment improved the Cd tolerance of the wild type and rescued the Cd-sensitive phenotype of OsSLG-Ri. Furthermore, OsSLG overexpression significantly reduced reactive oxygen species (ROS) and Cd accumulation, this reduction was attributed to the downregulation of genes involved in Cd absorption and transport, as well as the upregulation of genes associated with Cd detoxification and ROS scavenging. In addition, OsSLG enhanced the photosynthetic capacity and mineral element content in rice plants, improving their ability to cope with Cd stress. Gene expression analysis showed that OsSLG promoted the expression of the SA pathway genes, and phenotypic analysis confirmed that SA positively regulates Cd tolerance in rice. Notably, BR-induced Cd tolerance was diminished in SA biosynthesis-deficient rice plants overexpressing SA hydroxylase genes OsS5H1 and OsS5H2, suggesting that the SA pathway is necessary for BR-mediated Cd tolerance. In conclusion, our findings highlight OsSLG as a key player in elucidating the interplay between BR and SA under Cd stress.
Keyword ：
Brassinosteroids Brassinosteroids Cd tolerance Cd tolerance OsSLG OsSLG ROS scavenging ROS scavenging Salicylic acid Salicylic acid
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| GB/T 7714 | Zhang, Zaoli , Li, Long , Qiu, Shunjiao et al. BAHD acyltransferase OsSLG mediates rice cadmium tolerance by integrating the brassinosteroid and salicylic acid pathway [J]. | PLANT SCIENCE , 2025 , 356 . |
| MLA | Zhang, Zaoli et al. "BAHD acyltransferase OsSLG mediates rice cadmium tolerance by integrating the brassinosteroid and salicylic acid pathway" . | PLANT SCIENCE 356 (2025) . |
| APA | Zhang, Zaoli , Li, Long , Qiu, Shunjiao , Sun, Yanyan , Zhang, Rongjun , Chen, Dongmei et al. BAHD acyltransferase OsSLG mediates rice cadmium tolerance by integrating the brassinosteroid and salicylic acid pathway . | PLANT SCIENCE , 2025 , 356 . |
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The rhizosphere harbors abundant plant growth-promoting rhizobacteria (PGPR) that are vital for plant health. In this study, we screened growth-promoting bacteria from tomato rhizosphere soil, verified their functions, and constructed the optimal combination of growth-promoting bacteria for promoting tomato growth. Furthermore, the effects of these bacteria on various physiological and biochemical parameters of tomato plants were evaluated. A total of 36 strains of rhizobacteria were isolated from tomato rhizosphere soil and their abilities to produce indole-3-acetic acid (IAA), solubilize phosphate and iron carriers were assessed. The bacterial strains with the highest capacities for IAA production (R62, R317), phosphate solubilization (R41, R219), and siderophore production (R25, R325) were selected to form three bacterial combinations: R62 + R219 + R317 + R325 (T1), R62 + R325 (T5), and R317 + R325 (T8). Fifteen days after inoculation, all three combinations showed a stimulatory effect on seedling growth compared to the un-inoculated control. Inoculation with T1, T5 and T8 increased the seedling vigor index by 173.7%, 204.1%, and 168.7%, respectively. Compared to the un-inoculated control, the T1 combination increased the activities of polyphenol oxidase, peroxidase, and the net photosynthetic rate by 132.7%, 18.7%, 58.5%, and upregulated the relative expression levels of the photosynthetic assimilation-related genes RbcL, RbcS, FBPase and FDA by 22.2-, 6.6-, 1.95-, and 2.0-fold, respectively. Our findings provide a potential for constructing rhizobacterial combinations of different functional groups for improving crop growth.
Keyword ：
continuous cropping obstacle continuous cropping obstacle plant growth-promoting rhizobacteria plant growth-promoting rhizobacteria rhizosphere rhizosphere synthetic rhizobacterial assembly synthetic rhizobacterial assembly tomato tomato
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| GB/T 7714 | Zhao, Yi , Hong, Yingqi , Wang, Peng et al. Assembly of Tomato Rhizobacteria from Different Functional Groups Improves Seedling Photosynthesis and Growth [J]. | PLANTS-BASEL , 2023 , 12 (23) . |
| MLA | Zhao, Yi et al. "Assembly of Tomato Rhizobacteria from Different Functional Groups Improves Seedling Photosynthesis and Growth" . | PLANTS-BASEL 12 . 23 (2023) . |
| APA | Zhao, Yi , Hong, Yingqi , Wang, Peng , Gou, Yirong , Zeng, Rensen , Zhang, Qianrong et al. Assembly of Tomato Rhizobacteria from Different Functional Groups Improves Seedling Photosynthesis and Growth . | PLANTS-BASEL , 2023 , 12 (23) . |
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实验教学效果不但关系着学生掌握知识、提高实验技能的程度，也关系着学生科研素养和家国情怀的培养，直接影响我国创新型人才培养的成效。该文以植物生理生化实验课——硝酸还原酶活性的测定为例，采用以问题为导向（problembased learning,PBL）教学模式，从教学设计、实施方案和典型教学活动等方面探讨思政教育融入实验课的方法与技巧，使学生的动手和创新能力、发现和解决问题的能力得以有效提高，使学生的家国情怀和“两山”意识、科技助力乡村振兴意识和“三农”意识得以有效提升。该设计将为农林高校创新实验教学提供范式，也为高效培养学生综合素质提供借鉴。
Keyword ：
PBL教学模式 PBL教学模式 人才培养 人才培养 创新实验教学 创新实验教学 思政教育 思政教育
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| GB/T 7714 | 张惠莹 , 刘建 , 陈冬梅 et al. 植物生理生化实验课程思政教学设计 [J]. | 实验科学与技术 , 2023 , 21 (04) : 75-80 . |
| MLA | 张惠莹 et al. "植物生理生化实验课程思政教学设计" . | 实验科学与技术 21 . 04 (2023) : 75-80 . |
| APA | 张惠莹 , 刘建 , 陈冬梅 , 宋圆圆 , 曾任森 , 秦源 . 植物生理生化实验课程思政教学设计 . | 实验科学与技术 , 2023 , 21 (04) , 75-80 . |
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Background The use of beneficial microorganisms as an alternative for pest control has gained increasing attention. The objective of this study was to screen beneficial rhizosphere bacteria with the ability to enhance tomato anti-herbivore resistance. Results Rhizosphere bacteria in tomato field from Fuqing, one of the four locations where rhizosphere bacteria were collected in Fujian, China, enhanced tomato resistance against the tobacco cutworm Spodoptera litura, an important polyphagous pest. Inoculation with the isolate T6-4 obtained from the rhizosphere of tomato field in Fuqing reduced leaf damage and weight gain of S. litura larvae fed on the leaves of inoculated tomato plants by 27% in relative to control. Analysis of 16S rRNA gene sequence identities indicated that the isolate T6-4 was closely related to Stenotrophomonas rhizophila supported with 99.37% sequence similarity. In the presence of S. litura infestation, inoculation with the bacterium led to increases by a 66.9% increase in protease inhibitor activity, 53% in peroxidase activity and 80% in polyphenol oxidase activity in the leaves of inoculated plants as compared to the un-inoculated control. Moreover, the expression levels of defense-related genes encoding allene oxide cyclase (AOC), allene oxide synthase (AOS), lipoxygenase D (LOXD) and proteinase inhibitor (PI-II) in tomato leaves were induced 2.2-, 1.7-, 1.4- and 2.7-fold, respectively by T6-4 inoculation. Conclusion These results showed that the tomato rhizosphere soils harbor beneficial bacteria that can systemically induce jasmonate-dependent anti-herbivore resistance in tomato plants.
Keyword ：
Anti-herbivore defense Anti-herbivore defense Rhizosphere bacterium Rhizosphere bacterium Spodoptera litura Spodoptera litura Stenotrophomonas rhizophila Stenotrophomonas rhizophila Tomato Tomato
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| GB/T 7714 | Ling, Sumei , Zhao, Yi , Sun, Shaozhi et al. Enhanced anti-herbivore defense of tomato plants against Spodoptera litura by their rhizosphere bacteria [J]. | BMC PLANT BIOLOGY , 2022 , 22 (1) . |
| MLA | Ling, Sumei et al. "Enhanced anti-herbivore defense of tomato plants against Spodoptera litura by their rhizosphere bacteria" . | BMC PLANT BIOLOGY 22 . 1 (2022) . |
| APA | Ling, Sumei , Zhao, Yi , Sun, Shaozhi , Zheng, Dong , Sun, Xiaomin , Zeng, Rensen et al. Enhanced anti-herbivore defense of tomato plants against Spodoptera litura by their rhizosphere bacteria . | BMC PLANT BIOLOGY , 2022 , 22 (1) . |
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