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学者姓名：林德书
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Abstract ：
大多数被子植物花瓣近轴面的锥形表皮细胞可以通过影响花瓣的光吸收、光反射和疏水性使花拥有并保持对授粉昆虫的吸引力，还可以通过为授粉昆虫与花的接触提供“扶手”而提高授粉率。由于其重要的生物学功能和独特的形态，花瓣锥形表皮细胞被用作模式系统进行细胞形态建成调控机制的研究。本文中对花瓣锥形表皮细胞形态表型的分析方法进行说明，阐述MYB转录因子、TCP转录因子、锌指转录因子、生长素、周质微管的定向排列等在花瓣锥形表皮细胞形态建成中的作用和可能的调控机制，以期为园艺植物的遗传改良提供理论参考。
Keyword ：
周质微管 周质微管 生长素 生长素 花瓣 花瓣 转录因子 转录因子 锥形表皮细胞 锥形表皮细胞
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| GB/T 7714 | 赵泽阳 , 周雨晴 , 林德书 et al. 花瓣锥形表皮细胞形态建成研究进展 [J]. | 园艺学报 , 2024 , 51 (07) : 1695-1706 . |
| MLA | 赵泽阳 et al. "花瓣锥形表皮细胞形态建成研究进展" . | 园艺学报 51 . 07 (2024) : 1695-1706 . |
| APA | 赵泽阳 , 周雨晴 , 林德书 , 任慧波 . 花瓣锥形表皮细胞形态建成研究进展 . | 园艺学报 , 2024 , 51 (07) , 1695-1706 . |
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周质微管在植物细胞形态建成和形态维持中发挥了非常重要的作用。在不同植物组织的细胞中，周质微管形成特定的组织形式，从而引导细胞壁中纤维素微纤丝合成和沉积的方向。同时，细胞壁的形成又会影响植物细胞扩张生长的方向。由于细胞受到内外环境的压力处于不断的变化中，周质微管也表现出高度的动态性。研究发现，微管相关蛋白在周质微管的动态变化中起着关键性的作用。本文将对微管结合蛋白IPGA1通过对微管动态和微管组织形式的调控，进而参与拟南芥花瓣远轴表皮细胞和子叶表皮铺板细胞形态建成的研究进行总结。同时，也对机械力刺激下，IPGA1协同其互作蛋白调控周质微管重排的研究进展进行总结。另外，本文还对IPGA1的同源蛋白进行分析，为它们功能的研究提供理论参考。
Keyword ：
IPGA1 IPGA1 周质微管 周质微管 拟南芥(Arabidopsis thaliana) 拟南芥(Arabidopsis thaliana) 机械力 机械力 细胞形态 细胞形态
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| GB/T 7714 | 刘敏 , 王晓丹 , 赵泽阳 et al. 微管结合蛋白IPGA1调控植物细胞形态建成概述 [J]. | 分子植物育种 , 2023 : 0 . |
| MLA | 刘敏 et al. "微管结合蛋白IPGA1调控植物细胞形态建成概述" . | 分子植物育种 (2023) : 0 . |
| APA | 刘敏 , 王晓丹 , 赵泽阳 , 周雨晴 , 林德书 , 柏文婷 et al. 微管结合蛋白IPGA1调控植物细胞形态建成概述 . | 分子植物育种 , 2023 , 0 . |
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© 2023. The Author(s), under exclusive license to Springer Science+Business Media, LLC, part of Springer Nature.Many studies from different model organisms have demonstrated that microtubules are essential for various cellular processes, including cell division, cell morphogenesis, and intracellular trafficking. In interphase plant cells, oriented cortical microtubule arrays are highly characteristic in cells that display various morphologies, such as elongated hypocotyl cells and root cells, jigsaw-puzzled leaf pavement cells, and petal epidermal conical cells. Conical cells represent a specialized epidermal cell type found in the petal epidermis of many flowering plants. It has been suggested that in the model plant Arabidopsis thaliana, the petal adaxial epidermal cells develop from a roughly hemispherical morphology to a conical shape, correlating with the reorientation of cortical microtubules from random to well-ordered circumferential arrays. This chapter presents an overview of the methods available to visualize the microtubule cytoskeleton in living conical cells via confocal microscopy.
Keyword ：
Cell biology Cell biology Confocal microscope Confocal microscope Conical cells Conical cells Fluorescent-tagged reporters Fluorescent-tagged reporters Live-cell imaging Live-cell imaging Microtubule Microtubule Petal Petal Plant Plant
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| GB/T 7714 | Dang, Xie , Zhu, Lilan , Ren, Huibo et al. Methods to Visualize and Quantify Cortical Microtubule Arrays in Arabidopsis Conical Cells. [J]. | Methods in Molecular Biology , 2023 , 2604 : 317-325 . |
| MLA | Dang, Xie et al. "Methods to Visualize and Quantify Cortical Microtubule Arrays in Arabidopsis Conical Cells." . | Methods in Molecular Biology 2604 (2023) : 317-325 . |
| APA | Dang, Xie , Zhu, Lilan , Ren, Huibo , Lin, Deshu . Methods to Visualize and Quantify Cortical Microtubule Arrays in Arabidopsis Conical Cells. . | Methods in Molecular Biology , 2023 , 2604 , 317-325 . |
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center dot The acquisition of dormancy capabilities has enabled plants to survive in adverse terrestrial environmental conditions. Dormancy accumulation and release is coupled with light signaling, which is well studied in Arabidopsis, but it is unclear in the distant nonvascular relative. We study the characteristics and function on dormancy regulation of a blue light receptor crypto-chrome in Marchantia polymorpha (MpCRY).center dot Here, we identified MpCRY via bioinformatics and mutant complement analysis. The bio-chemical characteristics were assessed by multiple protein-binding assays. The function of MpCRY in gemma dormancy was clarified by overexpression and mutation of MpCRY, and its mechanism was analyzed via RNA sequencing and quantitative PCR analyses associated with hormone treatment.center dot We found that the unique MpCRY protein in M. polymorpha undergoes both blue light-promoted interaction with itself (self-interaction) and blue light-dependent phosphorylation. MpCRY has the specific characteristics of blue light-induced nuclear localization and degrada-tion. We further demonstrated that MpCRY transcriptionally represses abscisic acid (ABA) signaling-related gene expression to suppress gemma dormancy, which is dependent on blue light signaling.center dot Our findings indicate that MpCRY possesses specific biochemical and molecular characteristics, and modulates ABA signaling under blue light conditions to regulate gemma dormancy in M. polymorpha.
Keyword ：
abscisic acid signaling abscisic acid signaling blue light blue light cryptochrome cryptochrome gemma dormancy gemma dormancy Marchantia Marchantia
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| GB/T 7714 | Liao, Jiakai , Deng, Ban , Yang, Qixin et al. Insights into cryptochrome modulation of ABA signaling to mediate dormancy regulation in Marchantia polymorpha [J]. | NEW PHYTOLOGIST , 2023 , 238 (4) : 1479-1497 . |
| MLA | Liao, Jiakai et al. "Insights into cryptochrome modulation of ABA signaling to mediate dormancy regulation in Marchantia polymorpha" . | NEW PHYTOLOGIST 238 . 4 (2023) : 1479-1497 . |
| APA | Liao, Jiakai , Deng, Ban , Yang, Qixin , Li, Yu , Zhang, Yuxiang , Cong, Jiajing et al. Insights into cryptochrome modulation of ABA signaling to mediate dormancy regulation in Marchantia polymorpha . | NEW PHYTOLOGIST , 2023 , 238 (4) , 1479-1497 . |
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Root hydrotropism refers to root directional growth toward soil moisture. Cortical microtubule arrays are essential for determining the growth axis of the elongating cells in plants. However, the role of microtubule reorganization in root hydrotropism remains elusive. Here, we demonstrate that the well-ordered microtubule arrays and the microtubule-severing protein KATANIN (KTN) play important roles in regulating root hydrotropism in Arabidopsis. We found that the root hydrotropic bending of the ktn1 mutant was severely attenuated but not root gravitropism. After hydrostimulation, cortical microtubule arrays in cells of the elongation zone of wild-type (WT) Col-0 roots were reoriented from transverse into an oblique array along the axis of cell elongation, whereas the microtubule arrays in the ktn1 mutant remained in disorder. Moreover, we revealed that abscisic acid (ABA) signaling enhanced the root hydrotropism of WT and partially rescued the oryzalin (a microtubule destabilizer) alterative root hydrotropism of WT but not ktn1 mutants. These results suggest that katanin-dependent microtubule ordering is required for root hydrotropism, which might work downstream of ABA signaling pathways for plant roots to search for water.
Keyword ：
abscisic acid abscisic acid cortical microtubule arrays cortical microtubule arrays KATANIN KATANIN oryzalin oryzalin root hydrotropism root hydrotropism
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| GB/T 7714 | Miao, Rui , Siao, Wei , Zhang, Na et al. Katanin-Dependent Microtubule Ordering in Association with ABA Is Important for Root Hydrotropism [J]. | INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES , 2022 , 23 (7) . |
| MLA | Miao, Rui et al. "Katanin-Dependent Microtubule Ordering in Association with ABA Is Important for Root Hydrotropism" . | INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES 23 . 7 (2022) . |
| APA | Miao, Rui , Siao, Wei , Zhang, Na , Lei, Zuliang , Lin, Deshu , Bhalerao, Rishikesh P. et al. Katanin-Dependent Microtubule Ordering in Association with ABA Is Important for Root Hydrotropism . | INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES , 2022 , 23 (7) . |
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Sclerotinia sclerotiorum is a devastating pathogen that infects a broad range of host plants. The mechanism underlying plant defence against fungal invasion is still not well characterized. Here, we report that ANGUSTIFOLIA (AN), a CtBP family member, plays a role in the defence against S. sclerotiorum attack. Arabidopsis an mutants exhibited stronger resistance to S. sclerotiorum at the early stage of infection than wild-type plants. Accordingly, an mutants exhibited stronger activation of pathogen-associated molecular pattern (PAMP)-triggered immunity (PTI) responses, including mitogen-activated protein kinase activation, reactive oxygen species accumulation, callose deposition, and the expression of PTI-responsive genes, upon treatment with PAMPs/microbe-associated molecular patterns. Moreover, Arabidopsis lines overexpressing AN were more susceptible to S. sclerotiorum and showed defective PTI responses. Our luminometry, bimolecular fluorescence complementation, coimmunoprecipitation, and in vitro pull-down assays indicate that AN interacts with allene oxide cyclases (AOC), essential enzymes involved in jasmonic acid (JA) biosynthesis, negatively regulating JA biosynthesis in response to S. sclerotiorum infection. This work reveals AN is a negative regulator of the AOC-mediated JA signalling pathway and PTI activation.
Keyword ：
ANGUSTIFOLIA gene ANGUSTIFOLIA gene Arabidopsis thaliana Arabidopsis thaliana JA signalling pathway JA signalling pathway PAMP-triggered immunity PAMP-triggered immunity Sclerotinia sclerotiorum Sclerotinia sclerotiorum
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| GB/T 7714 | Gao, Xiuqin , Dang, Xie , Yan, Fengting et al. ANGUSTIFOLIA negatively regulates resistance to Sclerotinia sclerotiorum via modulation of PTI and JA signalling pathways in Arabidopsis thaliana [J]. | MOLECULAR PLANT PATHOLOGY , 2022 , 23 (8) : 1091-1106 . |
| MLA | Gao, Xiuqin et al. "ANGUSTIFOLIA negatively regulates resistance to Sclerotinia sclerotiorum via modulation of PTI and JA signalling pathways in Arabidopsis thaliana" . | MOLECULAR PLANT PATHOLOGY 23 . 8 (2022) : 1091-1106 . |
| APA | Gao, Xiuqin , Dang, Xie , Yan, Fengting , Li, Yuhua , Xu, Jing , Tian, Shifu et al. ANGUSTIFOLIA negatively regulates resistance to Sclerotinia sclerotiorum via modulation of PTI and JA signalling pathways in Arabidopsis thaliana . | MOLECULAR PLANT PATHOLOGY , 2022 , 23 (8) , 1091-1106 . |
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During growth and morphogenesis, plant cells respond to mechanical stresses resulting from spatiotemporal changes in the cell wall that bear high internal turgor pressure. Microtubule (MT) arrays are reorganized to align in the direction of maximal tensile stress, presumably reinforcing the local cell wall by guiding the synthesis of cellulose. However, how mechanical forces regulate MT reorganization remains largely unknown. Here, we demonstrate that mechanical signaling that is based on the Catharanthus roseus RLK1-like kinase (CrRLK1L) subfamily receptor kinase FERONIA (FER) regulates the reorganization of cortical MT in cotyledon epidermal pavement cells (PCs) in Arabidopsis. Recessive mutations in FER compromised MT responses to mechanical perturbations, such as single-cell ablation, compression, and isoxaben treatment, in these PCs. These perturbations promoted the activation of ROP6 guanosine triphosphatase (GTPase) that acts directly downstream of FER. Furthermore, defects in the ROP6 signaling pathway negated the reorganization of cortical MTs induced by these stresses. Finally, reduction in highly demethylesterified pectin, which binds the extracellular malectin domains of FER and is required for FER-mediated ROP6 activation, also impacted mechanical induction of cortical MT reorganization. Taken together, our results suggest that the FER-pectin complex senses and/or transduces mechanical forces to regulate MT organization through activating the ROP6 signaling pathway in Arabidopsis.
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| GB/T 7714 | Tang, Wenxin , Lin, Wenwei , Zhou, Xiang et al. Mechano-transduction via the pectin-FERONIA complex activates ROP6 GTPase signaling in Arabidopsis pavement cell morphogenesis [J]. | CURRENT BIOLOGY , 2022 , 32 (3) : 508-, . |
| MLA | Tang, Wenxin et al. "Mechano-transduction via the pectin-FERONIA complex activates ROP6 GTPase signaling in Arabidopsis pavement cell morphogenesis" . | CURRENT BIOLOGY 32 . 3 (2022) : 508-, . |
| APA | Tang, Wenxin , Lin, Wenwei , Zhou, Xiang , Guo, Jingzhe , Dang, Xie , Li, Binqi et al. Mechano-transduction via the pectin-FERONIA complex activates ROP6 GTPase signaling in Arabidopsis pavement cell morphogenesis . | CURRENT BIOLOGY , 2022 , 32 (3) , 508-, . |
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The organization of the microtubule cytoskeleton is critical for cell and organ morphogenesis. The evolutionarily conserved microtubule-severing enzyme KATANIN plays critical roles in microtubule organization in the plant and animal kingdoms. We previously used conical cell of Arabidopsis thaliana petals as a model system to investigate cortical microtubule organization and cell morphogenesis and determined that KATANIN promotes the formation of circumferential cortical microtubule arrays in conical cells. Here, we demonstrate that the conserved protein phosphatase PP2A interacts with and dephosphorylates KATANIN to promote the formation of circumferential cortical microtubule arrays in conical cells. KATANIN undergoes cycles of phosphorylation and dephosphorylation. Using co-immunoprecipitation coupled with mass spectrometry, we identified PP2A subunits as KATANIN-interacting proteins. Further biochemical studies showed that PP2A interacts with and dephosphorylates KATANIN to stabilize its cellular abundance. Similar to the katanin mutant, mutants for genes encoding PP2A subunits showed disordered cortical microtubule arrays and defective conical cell shape. Taken together, these findings identify PP2A as a regulator of conical cell shape and suggest that PP2A mediates KATANIN phospho-regulation during plant cell morphogenesis.
Keyword ：
conical cells conical cells cortical microtubules cortical microtubules KATANIN KATANIN morphogenesis morphogenesis phospho-regulation phospho-regulation protein phosphatase PP2A protein phosphatase PP2A
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| GB/T 7714 | Ren, Huibo , Rao, Jinqiu , Tang, Min et al. PP2A interacts with KATANIN to promote microtubule organization and conical cell morphogenesis [J]. | JOURNAL OF INTEGRATIVE PLANT BIOLOGY , 2022 , 64 (8) : 1514-1530 . |
| MLA | Ren, Huibo et al. "PP2A interacts with KATANIN to promote microtubule organization and conical cell morphogenesis" . | JOURNAL OF INTEGRATIVE PLANT BIOLOGY 64 . 8 (2022) : 1514-1530 . |
| APA | Ren, Huibo , Rao, Jinqiu , Tang, Min , Li, Yaxing , Dang, Xie , Lin, Deshu . PP2A interacts with KATANIN to promote microtubule organization and conical cell morphogenesis . | JOURNAL OF INTEGRATIVE PLANT BIOLOGY , 2022 , 64 (8) , 1514-1530 . |
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cell proliferation and expansion cell proliferation and expansion cell type specification cell type specification petal organogenesis petal organogenesis plant evolution plant evolution plant-pollinator interaction plant-pollinator interaction
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| GB/T 7714 | Huang, Tengbo , Kramer, Elena M. , Lin, Deshu . Editorial: Petal Development: From Cell Biology to EvoDevo [J]. | FRONTIERS IN PLANT SCIENCE , 2022 , 13 . |
| MLA | Huang, Tengbo et al. "Editorial: Petal Development: From Cell Biology to EvoDevo" . | FRONTIERS IN PLANT SCIENCE 13 (2022) . |
| APA | Huang, Tengbo , Kramer, Elena M. , Lin, Deshu . Editorial: Petal Development: From Cell Biology to EvoDevo . | FRONTIERS IN PLANT SCIENCE , 2022 , 13 . |
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Plant cells continuously experience mechanical stress resulting from the cell wall that bears internal turgor pressure. Cortical microtubules align with the predicted maximal tensile stress direction to guide cellulose biosynthesis and therefore results in cell wall reinforcement. We have previously identified Increased Petal Growth Anisotropy (IPGA1) as a putative microtubule-associated protein in Arabidopsis, but the function of IPGA1 remains unclear. Here, using the Arabidopsis cotyledon pavement cell as a model, we demonstrated that IPGA1 forms protein granules and interacts with ANGUSTIFOLIA (AN) to cooperatively regulate microtubule organisation in response to stress. Application of mechanical perturbations, such as cell ablation, led to microtubule reorganisation into aligned arrays in wild-type cells. This microtubule response to stress was enhanced in the IPGA1 loss-of-function mutant. Mechanical perturbations promoted the formation of IPGA1 granules on microtubules. We further showed that IPGA1 physically interacted with AN both in vitro and on microtubules. The ipga1 mutant alleles exhibited reduced interdigitated growth of pavement cells, with smooth shape. IPGA1 and AN had a genetic interaction in regulating pavement cell shape. Furthermore, IPGA1 genetically and physically interacted with the microtubule-severing enzyme KATANIN. We propose that the IPGA1-AN module regulates microtubule organisation and pavement cell shape.
Keyword ：
Arabidopsis Arabidopsis cortical microtubule cortical microtubule mechanical stress mechanical stress microtubule organisation microtubule organisation pavement cells pavement cells
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| GB/T 7714 | Chen, Binqing , Dang, Xie , Bai, Wenting et al. The IPGA1-ANGUSTIFOLIA module regulates microtubule organisation and pavement cell shape in Arabidopsis [J]. | NEW PHYTOLOGIST , 2022 , 236 (4) : 1310-1325 . |
| MLA | Chen, Binqing et al. "The IPGA1-ANGUSTIFOLIA module regulates microtubule organisation and pavement cell shape in Arabidopsis" . | NEW PHYTOLOGIST 236 . 4 (2022) : 1310-1325 . |
| APA | Chen, Binqing , Dang, Xie , Bai, Wenting , Liu, Min , Li, Ying , Zhu, Lilan et al. The IPGA1-ANGUSTIFOLIA module regulates microtubule organisation and pavement cell shape in Arabidopsis . | NEW PHYTOLOGIST , 2022 , 236 (4) , 1310-1325 . |
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