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学者姓名：唐文鑫
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Abstract ：
The versatile and pivotal roles of the phytohormone auxin in regulating plant growth and development are typically linked to its directional transport, relying on the polarized PIN-FORMED (PIN) auxin exporters at the plasma membrane (PM). For decades, auxin has been proposed to promote PIN polarization, generating self-regulatory feedback mediating much of plant development, but mechanistic insight into this regulation is lacking. Here, we uncover an auxin-induced protein complex at the PM, containing auxin co-receptors trans-membrane kinases (TMKs) and PIN1 auxin exporter, as the core machinery that underlies this feedback regulation. Auxin promotes PIN1 phosphorylation by TMKs, modulating PIN1 polarization and transport activity. We also provide evidence that PIN1-exported extracellular auxin is crucial for TMK activation and cell elongation, thus forming the simplest two-element self-regulatory feedback circuit. Thus, these findings offer direct mechanistic insights into a potential self-organizing circuit for auxin signaling and transport to ensure proper plant development in Arabidopsis.
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| GB/T 7714 | Huang Rongfeng , Wang Jiacheng , Chang Mingzeng et al. TMK-PIN1 drives a short self-organizing circuit for auxin export and signaling in Arabidopsis [J]. | DEVELOPMENTAL CELL , 2026 , 61 (1) . |
| MLA | Huang Rongfeng et al. "TMK-PIN1 drives a short self-organizing circuit for auxin export and signaling in Arabidopsis" . | DEVELOPMENTAL CELL 61 . 1 (2026) . |
| APA | Huang Rongfeng , Wang Jiacheng , Chang Mingzeng , Tang Wenxin , Yu Yongqiang , Zhang Yi et al. TMK-PIN1 drives a short self-organizing circuit for auxin export and signaling in Arabidopsis . | DEVELOPMENTAL CELL , 2026 , 61 (1) . |
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Abstract ：
Directional auxin transport and formation of auxin maxima are critical for embryogenesis, organogenesis, pattern formation, and growth coordination in plants, but the mechanisms underpinning the initiation and establishment of these auxin dynamics are not fully understood. Here we show that a self-initiating and -terminating transient auxin flow along the marginal cells (MCs) contributes to the formation of an auxin maximum at the tip of Arabidopsis cotyledon that globally coordinates the interdigitation of puzzle-shaped pavement cells in the cotyledon epidermis. Prior to the interdigitation, indole butyric acid (IBA) is converted to indole acetic acid (IAA) to induce PIN2 accumulation and polarization in the marginal cells, leading to auxin flow toward and accumulation at the cotyledon tip. Once IAA levels at the cotyledon tip reaches a maximum, it activates pavement cell interdigitation as well as the accumulation of the IBA transporter TOB1 in MCs, which sequesters IBA to the vacuole and reduces IBA availability and IAA levels. The reduction of IAA levels results in PIN2 down-regulation and cessation of the auxin flow. Hence, our results elucidate a self-activating and self-terminating transient polar auxin transport system in cotyledons, contributing to the formation of localized auxin maxima that spatiotemporally coordinate pavement cell interdigitation.
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| GB/T 7714 | Perez-Henriquez, Patricio , Nagawa, Shingo , Liu, Zhongchi et al. PIN2-mediated self-organizing transient auxin flow contributes to auxin maxima at the tip of Arabidopsis cotyledons [J]. | NATURE COMMUNICATIONS , 2025 , 16 (1) . |
| MLA | Perez-Henriquez, Patricio et al. "PIN2-mediated self-organizing transient auxin flow contributes to auxin maxima at the tip of Arabidopsis cotyledons" . | NATURE COMMUNICATIONS 16 . 1 (2025) . |
| APA | Perez-Henriquez, Patricio , Nagawa, Shingo , Liu, Zhongchi , Pan, Xue , Michniewicz, Marta , Tang, Wenxin et al. PIN2-mediated self-organizing transient auxin flow contributes to auxin maxima at the tip of Arabidopsis cotyledons . | NATURE COMMUNICATIONS , 2025 , 16 (1) . |
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为深入探究藜麦品种资源的丰富性与其内在的基因功能，利用甲基磺酸乙酯(ethyl methane sulfonate,EMS)诱变处理台湾红藜种子，并对M2和M3代群体家系进行表型统计与筛选。以台湾红藜种子为材料，采用不同浓度EMS作为诱变剂(0, 0.2%, 0.6%, 1%)分别处理6、12和18 h，通过统计种子的出苗率，最终筛选出0.6%浓度的EMS处理18 h作为诱变的半致死剂量参数。采用该半致死剂量参数创建台湾红藜突变体库，观察并统计诱变群体的突变率。经诱变处理得到6 000份M1单株，选取其中400份M1单株进行种植鉴定，后代共获得709份发生一个到多个性状变异的突变株，主要包括茎秆、叶、穗、种子颜色、生育期以及其他变异类型。最终建立了台湾红藜的EMS诱变体系，获得对生产有利的突变体表型，为藜麦基因功能研究以及遗传育种改良提供了材料基础。
Keyword ：
台湾红藜 台湾红藜 甲基磺酸乙酯(EMS) 甲基磺酸乙酯(EMS) 突变体库 突变体库 藜麦 藜麦 诱变育种 诱变育种
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| GB/T 7714 | 闫佳慧 , 李文强 , 戴瑞卿 et al. 台湾红藜EMS突变体库的构建与初步表型鉴定 [J]. | 分子植物育种 , 2025 , 23 (04) : 1216-1224 . |
| MLA | 闫佳慧 et al. "台湾红藜EMS突变体库的构建与初步表型鉴定" . | 分子植物育种 23 . 04 (2025) : 1216-1224 . |
| APA | 闫佳慧 , 李文强 , 戴瑞卿 , 宋时奎 , 张燕子 , 李志奇 et al. 台湾红藜EMS突变体库的构建与初步表型鉴定 . | 分子植物育种 , 2025 , 23 (04) , 1216-1224 . |
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Microorganisms residing in different parts of tea plants play an important role in the growth and development, disease resistance, and stress tolerance of the plants; these microorganisms have certain potential for improving the quality of tea. This forum mainly summarizes and discusses the role of microorganisms in regulating tea plants and their prospects for improving the quality of tea.
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| GB/T 7714 | Tang, Wenxin , Xin, Wei , Xu, Tongda et al. Tea plant microorganisms in the improvement of tea quality [J]. | TRENDS IN MICROBIOLOGY , 2025 , 33 (1) : 11-14 . |
| MLA | Tang, Wenxin et al. "Tea plant microorganisms in the improvement of tea quality" . | TRENDS IN MICROBIOLOGY 33 . 1 (2025) : 11-14 . |
| APA | Tang, Wenxin , Xin, Wei , Xu, Tongda , Yang, Zhenbiao . Tea plant microorganisms in the improvement of tea quality . | TRENDS IN MICROBIOLOGY , 2025 , 33 (1) , 11-14 . |
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The phytohormone auxin exerts control over remarkable developmental processes in plants. It moves from cell to cell, resulting in the creation of both extracellular auxin and intracellular auxin, which are recognized by distinct auxin receptors. These two auxin signaling systems govern different auxin responses while working together to regulate plant development. In this review, we outline the latest research advancements in unraveling these auxin signaling pathways, encompassing auxin perception and signaling transductions. We emphasize the interaction between extracellular and intracellular auxin, which contributes to the intricate role of auxin in plant development. Copyright (c) 2024, The Authors. Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, and Genetics Society of China. Published by Elsevier Limited and Science Press. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Keyword ：
ABP1/ABLs ABP1/ABLs Extracellular auxin signaling Extracellular auxin signaling Intracellular auxin signaling Intracellular auxin signaling TIR1/AFBs TIR1/AFBs TMKs TMKs
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| GB/T 7714 | Tang, Wenxin , Yu, Yongqiang , Xu, Tongda . The interplay between extracellular and intracellular auxin signaling in plants [J]. | JOURNAL OF GENETICS AND GENOMICS , 2025 , 52 (1) : 14-23 . |
| MLA | Tang, Wenxin et al. "The interplay between extracellular and intracellular auxin signaling in plants" . | JOURNAL OF GENETICS AND GENOMICS 52 . 1 (2025) : 14-23 . |
| APA | Tang, Wenxin , Yu, Yongqiang , Xu, Tongda . The interplay between extracellular and intracellular auxin signaling in plants . | JOURNAL OF GENETICS AND GENOMICS , 2025 , 52 (1) , 14-23 . |
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Leaves have evolved shape diversity, ranging from simple leaves with a smooth margin to complicated shapes with toothed/serrated, lobed, and dissected leaves with leaflets. In the model plant Arabidopsis thaliana with simple leaves producing a serrated margin, boundary regulatory factor genes CUP SHAPED COTYLEDON 2 (CUC2) and CUC3 play important roles in promoting leaf initiation and maintenance of serration. Stem cell-related WUSCHEL-RELATED HOMEOBOX1 (WOX1) and PRESSED FLOWER (PRS)/WOX3 are also essential for leaf margin morphogenesis, but the role of WOX1 and PRS as well as the relationships between CUCs and WOXs for tooth development are unclear. In this study, we found that WOX1, but not PRS, prevents overproduction of number of teeth and excessive tooth size by limiting CUC3 expression to a moderate level in a temporally regulated manner. We also revealed that BRASSINAZOLE RESISTANT 1 (BZR1), a known regulator of plant development including boundary regions, is involved in WOX1 negative regulation of tooth development by repressing CUC3 expression during the initiation/early stage of tooth development. WOX1 parallelly limits BZR1 and CUC3 expression from the late stage of the first two teeth, while it restricts CUC3 activity in a BZR1-dependent manner from the initiation/early stage of subsequently developed teeth. This study uncovers a new mechanism for WOX1 in fine-tuning the leaf margin geometry.
Keyword ：
Arabidopsis Arabidopsis BZR1 BZR1 CUC3 CUC3 tooth tooth WOX1 WOX1
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| GB/T 7714 | Xu, Lian , Fang, Nimeng , Lu, Ting et al. WOX1 controls leaf serration development via temporally restricting BRASSINAZOLE RESISTANT 1 and CUP SHAPED COTYLEDON 3 expression in Arabidopsis [J]. | JOURNAL OF EXPERIMENTAL BOTANY , 2025 , 76 (2) : 478-492 . |
| MLA | Xu, Lian et al. "WOX1 controls leaf serration development via temporally restricting BRASSINAZOLE RESISTANT 1 and CUP SHAPED COTYLEDON 3 expression in Arabidopsis" . | JOURNAL OF EXPERIMENTAL BOTANY 76 . 2 (2025) : 478-492 . |
| APA | Xu, Lian , Fang, Nimeng , Lu, Ting , Tameshige, Toshiaki , Nakata, Miyuki T. , Jiang, Yuli et al. WOX1 controls leaf serration development via temporally restricting BRASSINAZOLE RESISTANT 1 and CUP SHAPED COTYLEDON 3 expression in Arabidopsis . | JOURNAL OF EXPERIMENTAL BOTANY , 2025 , 76 (2) , 478-492 . |
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The flavor profile of tea is influenced not only by different tea varieties but also by the surrounding soil environment. Recent studies have indicated the regulatory role of soil microbes residing in plant roots in nutrient uptake and metabolism. However, the impact of this regulatory mechanism on tea quality remains unclear. In this study, we showed that a consortium of microbes isolated from tea roots enhanced ammonia uptake and facilitated the synthesis of theanine, a key determinant of tea taste. Variations were observed in the composition of microbial populations colonizing tea roots and the rhizosphere across different seasons and tea varieties. By comparing the root microorganisms of the high-theanine tea variety Rougui with the low-theanine variety Maoxie, we identified a specific group of microbes that potentially modulate nitrogen metabolism, subsequently influencing the theanine levels in tea. Furthermore, we constructed a synthetic microbial community (SynCom) mirroring the microbe population composition found in Rougui roots. Remarkably, applying SynCom resulted in a significant increase in the theanine content of tea plants and imparted greater tolerance to nitrogen deficiency in Arabidopsis. Our study provides compelling evidence supporting the use of root microorganisms as functional microbial fertilizers to enhance tea quality.
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| GB/T 7714 | Xin, Wei , Zhang, Jianming , Yu, Yongdong et al. Root microbiota of tea plants regulate nitrogen homeostasis and theanine synthesis to influence tea quality [J]. | CURRENT BIOLOGY , 2024 , 34 (4) . |
| MLA | Xin, Wei et al. "Root microbiota of tea plants regulate nitrogen homeostasis and theanine synthesis to influence tea quality" . | CURRENT BIOLOGY 34 . 4 (2024) . |
| APA | Xin, Wei , Zhang, Jianming , Yu, Yongdong , Tian, Yunhe , Li, Hao , Chen, Xiaolu et al. Root microbiota of tea plants regulate nitrogen homeostasis and theanine synthesis to influence tea quality . | CURRENT BIOLOGY , 2024 , 34 (4) . |
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White tea stored for various times have different flavors. However, the mechanism of flavor conversion remains elusive. Flavonoids and amino acids are two typical flavor components in tea. Herein, the contents of 46 flavonoids and 40 amino acids were measured in white tea (Shoumei) stored for 1, 3, 5 and 7 years, respectively. Ltryptophan, L-ornithine and L-theanine contribute to the refreshing taste of Shoumei 1 and 3. Quercetin, rutin and hesperidin contribute to aging charm and grain aroma of Shoumei 5 and 7. 306 bacterial OTUs and 268 fungal OTUs core microbiota existed in all samples. Interestingly, white teas contained higher richness of fungi than bacteria. The correlation analysis showed that the cooperation with bacteria and fungi may result in the flavonoids and amino acids composition changes in white teas during storage. Overall, this study provides new insights into flavor conversion of white tea during storage.
Keyword ：
Amino acids Amino acids Bacteria Bacteria Fungi Fungi Storage Storage Tea polyphenols Tea polyphenols White tea White tea
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| GB/T 7714 | Zhang, Jianming , Xin, Wei , Zou, Yiping et al. Dynamic changes and correlation analysis of microorganisms and flavonoids/ amino acids during white tea storage [J]. | FOOD CHEMISTRY , 2024 , 455 . |
| MLA | Zhang, Jianming et al. "Dynamic changes and correlation analysis of microorganisms and flavonoids/ amino acids during white tea storage" . | FOOD CHEMISTRY 455 (2024) . |
| APA | Zhang, Jianming , Xin, Wei , Zou, Yiping , Yan, Jingwei , Tang, Wenxin , Ji, Yanling et al. Dynamic changes and correlation analysis of microorganisms and flavonoids/ amino acids during white tea storage . | FOOD CHEMISTRY , 2024 , 455 . |
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Abstract ：
White teas stored for various times have different flavors. However, the mechanism of flavor conversion remains elusive. Flavonoids and amino acids are two typical flavor components in teas. Herein, the contents of 46 flavonoids and 40 amino acids were measured in white teas stored for 1, 3, 5 and 7 years, respectively. Total flavonoid contents in the white tea increased with prolonged storage, while total amino acid contents increased during the first 5 years of storage but decreased in the 7th year. 306 OTUs bacteria and 268 OTUs fungal core microbiota existed in all white teas tested. Interestingly, white teas contained higher richness of fungus than bacteria. The correlation analysis showed that the cooperation with bacteria and fungi may result in the flavonoids and amino acids composition changes in white teas during storage. Overall, this study provides new insights in flavor conversion of the white tea stored for different time. © 2024, The Authors. All rights reserved.
Keyword ：
Amino acids Amino acids Bacteria Bacteria Flavonoids Flavonoids Food storage Food storage Fungi Fungi
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| GB/T 7714 | Zhang, Jianming , Xin, Wei , Zou, Yiping et al. Microorganisms Associate to Flavor Conversion During Storage in White Tea [J]. | SSRN , 2024 . |
| MLA | Zhang, Jianming et al. "Microorganisms Associate to Flavor Conversion During Storage in White Tea" . | SSRN (2024) . |
| APA | Zhang, Jianming , Xin, Wei , Zou, Yiping , Tang, Wenxin , Yan, Jingwei , Wang, Zhiwei et al. Microorganisms Associate to Flavor Conversion During Storage in White Tea . | SSRN , 2024 . |
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植物细胞与发育生物学是植物科学中的基础学科,涉及植物细胞的基础生物学过程及其调控规律的发现与解析,以及对植物不同发育过程、发育阶段及其转换过程分子机制的探究。阐释这些细胞学和发育过程的调控机制,是实现作物定向分子设计育种的基础,将为我国农业可持续发展和保障粮食安全提供重要支撑。近5～10年,植物细胞与发育生物学相关领域发展迅速,取得了众多重要进展。本综述将从“植物细胞分化与命运决定”“植物信号转导与细胞通讯”“植物可塑性生长发育”“细胞器生物学”“单细胞生物学”五个方面总结近年相关进展,并讨论相关方向的研究重点。
Keyword ：
信号转导 信号转导 单细胞 单细胞 可塑性发育 可塑性发育 细胞分化 细胞分化 细胞器 细胞器
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| GB/T 7714 | 薛红卫 , 焦雨铃 , 徐通达 et al. 植物细胞与发育生物学研究进展 [J]. | 植物生理学报 , 2023 , 59 (12) : 2145-2187 . |
| MLA | 薛红卫 et al. "植物细胞与发育生物学研究进展" . | 植物生理学报 59 . 12 (2023) : 2145-2187 . |
| APA | 薛红卫 , 焦雨铃 , 徐通达 , 丁兆军 , 武国章 , 高泓博 et al. 植物细胞与发育生物学研究进展 . | 植物生理学报 , 2023 , 59 (12) , 2145-2187 . |
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