Current opinion in plant biology最新文献_第8页

Asymmetry in the bryophyte, Physcomitrium patens 苔藓植物的不对称性

IF 8.3 2区生物学

Current opinion in plant biology Pub Date : 2025-08-01 Epub Date: 2025-07-15 DOI: 10.1016/j.pbi.2025.102760

Prerna Singh , Chiyo Jinno , Haolin Zong , Tomomichi Fujita

{"title":"Asymmetry in the bryophyte, Physcomitrium patens","authors":"Prerna Singh , Chiyo Jinno , Haolin Zong , Tomomichi Fujita","doi":"10.1016/j.pbi.2025.102760","DOIUrl":"10.1016/j.pbi.2025.102760","url":null,"abstract":"<div><div>Cell polarity and asymmetric division are fundamental to plant development, governing growth, differentiation, and stress responses. The filamentous tissues of the moss <em>Physcomitrium patens</em> provide an excellent system to investigate these processes, as their exposed cells facilitate direct observation of cellular and intracellular dynamics. This review explores recent advances in understanding how <em>P. patens</em> maintains juvenile protonemal filaments and transitions to mature gametophores, highlighting the roles of Rho-related GTPases of plant (ROP signaling, auxin transport, and cytoskeletal dynamics in tip growth and division plane orientation. Key regulators, including transcriptional corepressors and peptide signaling components, orchestrate cell fate determination and gametophore formation. Additionally, the study of stem cell regeneration and stress-resistant brood cells provides insights into dedifferentiation and plasticity mechanisms, which involve the re-establishment and disruption of cell polarity, respectively. Our current knowledge suggests that these mechanisms collectively determine the identity and developmental trajectory of daughter cells, guiding them toward differentiation into a specific tissue or organ.</div></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"86 ","pages":"Article 102760"},"PeriodicalIF":8.3,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144633301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dynamic and spatial control of cellular activity during seed germination 种子萌发过程中细胞活动的动态和空间控制

IF 8.3 2区生物学

Current opinion in plant biology Pub Date : 2025-08-01 Epub Date: 2025-06-23 DOI: 10.1016/j.pbi.2025.102754

Mathew G. Lewsey , George W. Bassel , James Whelan

{"title":"Dynamic and spatial control of cellular activity during seed germination","authors":"Mathew G. Lewsey , George W. Bassel , James Whelan","doi":"10.1016/j.pbi.2025.102754","DOIUrl":"10.1016/j.pbi.2025.102754","url":null,"abstract":"<div><div>Germination is the process through which a seed activates cellular metabolism and growth. This enables the embryo to initiate the seed to seedling transition and begin to establish itself in its environment. A wide range of cellular systems are recruited during germination. Stored energy resources are consumed by heterotrophic metabolism to power cell activity, as the embryo is not yet photosynthetic, and mitochondria are assembled. The mRNAs that were transcribed and stored during seed development are translated to yield mature proteins. There is also a broad-scale structural reconfiguration of the genome and <em>de novo</em> transcription. This is achieved by the loss of repressive histone marks and DNA methylation, enabling chromatin to transition from a closed and physically protected state to an accessible state necessary for gene transcription. Signalling through the gibberellin hormone pathway, initiated in the vasculature of the radicle, drives cell expansion and thereby embryo growth. In this review, we summarise recent advances that illustrate the spatiotemporally dynamic nature of events during germination, which gives rise to the cell and tissue-specific activity that underpins germination.</div></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"86 ","pages":"Article 102754"},"PeriodicalIF":8.3,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144364423","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Under the rainbow: Novel insights on the mechanisms driving the development and evolution of petal pigmentation 彩虹之下：对驱动花瓣色素沉着的发展和进化机制的新见解

IF 8.3 2区生物学

Current opinion in plant biology Pub Date : 2025-08-01 Epub Date: 2025-06-11 DOI: 10.1016/j.pbi.2025.102743

May T.S. Yeo , Edwige Moyroud

{"title":"Under the rainbow: Novel insights on the mechanisms driving the development and evolution of petal pigmentation","authors":"May T.S. Yeo , Edwige Moyroud","doi":"10.1016/j.pbi.2025.102743","DOIUrl":"10.1016/j.pbi.2025.102743","url":null,"abstract":"<div><div>Flower colours have intrigued scientists and artists alike across the ages, but our understanding of how flowers paint their corolla is largely incomplete. Here, we explore how recent studies are bringing to light the dark side of flower colour. We review novel discoveries related to the molecular mechanisms underpinning petal pigmentation, and we argue that colour patterns on the corolla constitute powerful experimental systems to address complex biological questions, including the outcomes of gene duplication, the emergence of novelty, and the significance of regulatory and coding changes in generating morphological diversity. Natural variants represent fantastic resources not only to discover the genetic basis of biodiversity, but also to fill gaps in our understanding of the processes plants employ to appear colourful. As modifications of pigment production often yield striking, tractable phenotypes, floral colour studies provide unique opportunities to illuminate key developmental questions associated with morphogenesis and patterning. Exploring petal pattern variation in an ever-increasing range of species uncovers new research avenues to comprehend the inner workings of development and evolution. By understanding these processes, we are better equipped to program plant behaviour to enhance floral traits and to gain unprecedented insights into the strategies that shape speciation and the emergence of Darwin's ‘endless forms most beautiful and most wonderful’.</div></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"86 ","pages":"Article 102743"},"PeriodicalIF":8.3,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144253391","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

From roots to nodules: regulation of organogenesis in nitrogen-fixing symbiosis 从根到根瘤：固氮共生中器官发生的调控

IF 8.3 2区生物学

Current opinion in plant biology Pub Date : 2025-08-01 Epub Date: 2025-06-28 DOI: 10.1016/j.pbi.2025.102755

Katharina Schiessl , Min-Yao Jhu

{"title":"From roots to nodules: regulation of organogenesis in nitrogen-fixing symbiosis","authors":"Katharina Schiessl , Min-Yao Jhu","doi":"10.1016/j.pbi.2025.102755","DOIUrl":"10.1016/j.pbi.2025.102755","url":null,"abstract":"<div><div>Plants in the nitrogen-fixing clade have evolved symbiotic root nodules to overcome nitrogen limitations in the soil. These nodules host nitrogen-fixing bacteria that convert atmospheric nitrogen into ammonia, supplying essential nutrients to the plant. Nodule formation is triggered by plant–bacteria interactions and relies on genetic adaptations, including the recruitment of existing regulatory pathways. The transcription factor <em>NODULE INCEPTION</em> (<em>NIN</em>) is a key regulator required for bacterial infection, nodule initiation, and organ differentiation. Nodule development shares key features with lateral root formation, particularly in organ initiation and early growth stages, as both arise from the same root tissue layers. This overlap raises intriguing questions about how nodules evolved distinct forms and functions. This review highlights recent discoveries in the molecular and cellular mechanisms of nodule development, especially in the <em>Papilionoideae</em> clade. By comparing nodules and lateral roots, we explore the regulatory changes that led to their evolutionary divergence. We highlight emerging tools—single-cell and spatial transcriptomics, and advanced imaging—that are deepening insights into nodulation, alongside phylogenomics revealing its evolutionary history.</div></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"86 ","pages":"Article 102755"},"PeriodicalIF":8.3,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144501934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Branching under pressure: Influences of cell wall architecture and biomechanics on lateral root morphogenesis 压力下的分枝：细胞壁结构和生物力学对侧根形态发生的影响

IF 8.3 2区生物学

Current opinion in plant biology Pub Date : 2025-06-01 Epub Date: 2025-05-08 DOI: 10.1016/j.pbi.2025.102735

Ritu Vadodaria, Charles T. Anderson

{"title":"Branching under pressure: Influences of cell wall architecture and biomechanics on lateral root morphogenesis","authors":"Ritu Vadodaria, Charles T. Anderson","doi":"10.1016/j.pbi.2025.102735","DOIUrl":"10.1016/j.pbi.2025.102735","url":null,"abstract":"<div><div>Plants carry out a unique type of organogenesis in which cells do not move relative to each other but instead maintain their relative positions and grow in concert. The coordinated regulation of cell shape and size is thus essential for organ morphogenesis, but in a few developmental processes, most notably in invasive growth and the establishment of branched tissue architectures, cell and tissue growth in plants involves the displacement of surrounding or overlying tissues. Plant cells accomplish patterned developmental morphogenesis in part due to the mechanically complex architectures of their cell walls, which can anisotropically constrain the expansion that is facilitated in many cases by the cellular uptake of water that results in cell pressurization. Here, we focus on one example of patterned tissue growth and cell displacement, the formation and emergence of lateral roots, as a paradigm for understanding how cell wall architecture and cellular biomechanics influence the differentiation and growth of new organs in plants. We highlight recent advances in our knowledge of how hormone signaling, transcriptional regulation, cytoskeletal dynamics, and cell wall synthesis and remodeling influence lateral root initiation and emergence, and propose hypotheses and potential research directions for future studies of these complex but essential developmental processes.</div></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"85 ","pages":"Article 102735"},"PeriodicalIF":8.3,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143917902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Regulation of cytokinetic machinery in plants 植物细胞动力学机制的调控

IF 8.3 2区生物学

Current opinion in plant biology Pub Date : 2025-06-01 Epub Date: 2025-04-04 DOI: 10.1016/j.pbi.2025.102723

Andrei Smertenko

{"title":"Regulation of cytokinetic machinery in plants","authors":"Andrei Smertenko","doi":"10.1016/j.pbi.2025.102723","DOIUrl":"10.1016/j.pbi.2025.102723","url":null,"abstract":"<div><div>Plant cells divide by constructing a two-dimensional membrane compartment filled with oligosaccharides known as the cell plate. The cell plate is produced by the phragmoplast, a plant-specific structure composed of cytoskeletal polymers, membranes, and associated proteins. Initially, the phragmoplast forms as a disk between daughter nuclei at the end of anaphase, then continues to expand outward until the cell plate connects to the parental cell wall. Phragmoplast expansion encompasses dramatic reorganization of microtubules. At the start, microtubules form short antiparallel overlaps that initiate cell plate biogenesis by recruiting membrane material in the form of cytokinetic vesicles. Subsequent membrane expansion and remodeling processes are accompanied by dissolution of the antiparallel overlaps and attachment of microtubules to the cell plate biogenesis machinery. Deposition of oligosaccharides into the lumen confers mechanical rigidity to the cell plate that triggers depolymerization of microtubules. Precise coordination of microtubule organization with vesicle trafficking, membrane remodeling, and the deposition of oligosaccharides plays a critical role for cell plate production. This review summarizes current understanding of key signaling pathways that couple diverse processes in the phragmoplast.</div></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"85 ","pages":"Article 102723"},"PeriodicalIF":8.3,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143769257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Flowering time regulation through the lens of evolution 从进化的角度看开花时间的调节

IF 8.3 2区生物学

Current opinion in plant biology Pub Date : 2025-06-01 Epub Date: 2025-05-06 DOI: 10.1016/j.pbi.2025.102734

Bo Zhao , Dong Zhai , Jia-Wei Wang

引用次数: 0

Function of nuclear envelope proteins in plant growth and development 核膜蛋白在植物生长发育中的作用

IF 8.3 2区生物学

Current opinion in plant biology Pub Date : 2025-06-01 Epub Date: 2025-05-16 DOI: 10.1016/j.pbi.2025.102738

Olivia S. Hazelwood , Norman B. Best , M. Arif Ashraf

引用次数: 0

Bryophytes as metabolic engineering platforms 苔藓植物作为代谢工程平台。

IF 8.3 2区生物学

Current opinion in plant biology Pub Date : 2025-06-01 Epub Date: 2025-03-20 DOI: 10.1016/j.pbi.2025.102702

Anya Lillemor Lindström Battle, Lee James Sweetlove

引用次数: 0

Not just flavor: Insights into the metabolism of tea plants 不仅仅是味道：对茶树新陈代谢的洞察

IF 8.3 2区生物学

Current opinion in plant biology Pub Date : 2025-06-01 Epub Date: 2025-04-05 DOI: 10.1016/j.pbi.2025.102716

Deyuan Jiang , Weiwei Wen

{"title":"Not just flavor: Insights into the metabolism of tea plants","authors":"Deyuan Jiang , Weiwei Wen","doi":"10.1016/j.pbi.2025.102716","DOIUrl":"10.1016/j.pbi.2025.102716","url":null,"abstract":"<div><div>Tea, one of the world's most popular beverages, boasts a rich cultural history and distinctive flavor profiles. With advances in genomics and plant metabolism research, significant progress has been made in understanding the biosynthetic pathways and the underlying regulatory mechanisms of tea plants (<em>Camellia sinensis</em>). Tea metabolites play a pivotal role in determining tea flavor, and functional properties, while also being closely tied to the plant's stress resistance, environmental adaptability, and other newly discovered biological functions. In recent years, research has expanded beyond the well-characterized metabolites, such as catechins, <span>l</span>-theanine, and caffeine, to include volatile compounds, hormones, photosynthetic pigments, lignin, and other recently discovered metabolites, shedding new light on the intricate tea plant metabolism. This review highlights the biosynthetic pathways and regulatory mechanisms of key metabolites in tea plants, with a focus on the critical enzyme genes and regulatory factors. Additionally, emerging technologies and methodologies applied in tea plant metabolism research are briefly introduced. By further exploring the biological functions of tea metabolites and their upstream regulatory networks, future studies may offer theoretical insights and technological support for tea plant cultivation, tea quality improvement, and the sustainable development of the tea industry.</div></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"85 ","pages":"Article 102716"},"PeriodicalIF":8.3,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143777268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0