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Interplay between histone variants and chaperones in plants 植物中组蛋白变体与伴侣蛋白之间的相互作用
IF 9.5 2区 生物学
Current opinion in plant biology Pub Date : 2024-05-21 DOI: 10.1016/j.pbi.2024.102551
Jiabing Wu , Bing Liu , Aiwu Dong
{"title":"Interplay between histone variants and chaperones in plants","authors":"Jiabing Wu ,&nbsp;Bing Liu ,&nbsp;Aiwu Dong","doi":"10.1016/j.pbi.2024.102551","DOIUrl":"https://doi.org/10.1016/j.pbi.2024.102551","url":null,"abstract":"<div><p>Histone chaperones and histone variants play crucial roles in DNA replication, gene transcription, and DNA repair in eukaryotes. Histone chaperones reversibly promote nucleosome assembly and disassembly by incorporating or evicting histones and histone variants to modulate chromatin accessibility, thereby altering the chromatin states and modulating DNA-related biological processes. Cofactors assist histone chaperones to target specific chromatin regions to regulate the exchange of histones and histone variants. In this review, we summarize recent progress in the interplay between histone variants and chaperones in plants. We discuss the structural basis of chaperone–histone complexes and the mechanisms of their cooperation in regulating gene transcription and plant development.</p></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"80 ","pages":"Article 102551"},"PeriodicalIF":9.5,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141073523","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
Targeted gene regulation through epigenome editing in plants 通过植物表观基因组编辑实现定向基因调控
IF 9.5 2区 生物学
Current opinion in plant biology Pub Date : 2024-05-21 DOI: 10.1016/j.pbi.2024.102552
Yuejing Cheng , Yu Zhou , Ming Wang
{"title":"Targeted gene regulation through epigenome editing in plants","authors":"Yuejing Cheng ,&nbsp;Yu Zhou ,&nbsp;Ming Wang","doi":"10.1016/j.pbi.2024.102552","DOIUrl":"https://doi.org/10.1016/j.pbi.2024.102552","url":null,"abstract":"<div><p>The precise targeted gene regulation in plants is essential for improving plant traits and gaining a comprehensive understanding of gene functions. The regulation of gene expression in eukaryotes can be achieved through transcriptional and epigenetic mechanisms. Over the last decade, advancements in gene-targeting technologies, along with an expanded understanding of epigenetic gene regulation mechanisms, have significantly contributed to the development of programmable gene regulation tools. In this review, we will discuss the recent progress in targeted plant gene regulation through epigenome editing, emphasizing the role of effector proteins in modulating target gene expression via diverse mechanisms, including DNA methylation, histone modifications, and chromatin remodeling. Additionally, we will also briefly review targeted gene regulation by transcriptional regulation and mRNA modifications in plants.</p></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"80 ","pages":"Article 102552"},"PeriodicalIF":9.5,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141073524","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
Diversifying floral organ identity 花器官特征多样化。
IF 9.5 2区 生物学
Current opinion in plant biology Pub Date : 2024-05-18 DOI: 10.1016/j.pbi.2024.102550
Andrea D. Appleton, Elena M. Kramer
{"title":"Diversifying floral organ identity","authors":"Andrea D. Appleton,&nbsp;Elena M. Kramer","doi":"10.1016/j.pbi.2024.102550","DOIUrl":"10.1016/j.pbi.2024.102550","url":null,"abstract":"<div><p>A fascinating component of floral morphological diversity is the evolution of novel floral organ identities. Perhaps the best-understood example of this is the evolutionary sterilization of stamens to yield staminodes, which have evolved independently numerous times across angiosperms and display a considerable range of morphologies. We are only beginning to understand how modifications of the ancestral stamen developmental program have produced staminodes, but investigating this phenomenon has the potential to help us understand both the origin of floral novelty and the evolution of genetic networks more broadly.</p></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"80 ","pages":"Article 102550"},"PeriodicalIF":9.5,"publicationDate":"2024-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141064675","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
Building a biofactory: Constructing glandular trichomes in Cannabis sativa 建设生物工厂：构建大麻的腺毛体。
IF 9.5 2区 生物学
Current opinion in plant biology Pub Date : 2024-05-17 DOI: 10.1016/j.pbi.2024.102549
Jessica Hancock, Samuel J. Livingston, Lacey Samuels
{"title":"Building a biofactory: Constructing glandular trichomes in Cannabis sativa","authors":"Jessica Hancock,&nbsp;Samuel J. Livingston,&nbsp;Lacey Samuels","doi":"10.1016/j.pbi.2024.102549","DOIUrl":"10.1016/j.pbi.2024.102549","url":null,"abstract":"<div><p>Flowers of <em>Cannabis sativa L</em>. are densely covered with glandular trichomes containing cannabis resin that is used for medicinal and recreational purposes. The highly productive glandular trichomes have been described as ‘biofactories.’ In this review, we use this analogy to highlight recent advances in cannabis cell biology, metabolomics, and transcriptomics. The biofactory is built by epidermal outgrowths that differentiate into peltate-like glandular trichome heads, consisting of a disc of interconnected secretory cells with unique cellular structures. Cannabinoid and terpenoid products are warehoused in the extracellular storage cavity. Finally, multicellular stalks raise the glandular heads above the epidermis, giving cannabis flower their frosty appearance.</p></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"80 ","pages":"Article 102549"},"PeriodicalIF":9.5,"publicationDate":"2024-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1369526624000402/pdfft?md5=5a6daa48cbf805102aa4e23759373e8c&pid=1-s2.0-S1369526624000402-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140956670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tuber, or not tuber: Molecular and morphological basis of underground storage organ development 块茎，或不是块茎：地下贮藏器官发育的分子和形态基础
IF 9.5 2区 生物学
Current opinion in plant biology Pub Date : 2024-05-16 DOI: 10.1016/j.pbi.2024.102544
Madison L. Plunkert , Jesús Martínez-Gómez , Yesenia Madrigal , Adriana I. Hernández , Carrie M. Tribble
{"title":"Tuber, or not tuber: Molecular and morphological basis of underground storage organ development","authors":"Madison L. Plunkert ,&nbsp;Jesús Martínez-Gómez ,&nbsp;Yesenia Madrigal ,&nbsp;Adriana I. Hernández ,&nbsp;Carrie M. Tribble","doi":"10.1016/j.pbi.2024.102544","DOIUrl":"https://doi.org/10.1016/j.pbi.2024.102544","url":null,"abstract":"<div><p>Underground storage organs occur in phylogenetically diverse plant taxa and arise from multiple tissue types including roots and stems. Thickening growth allows underground storage organs to accommodate carbohydrates and other nutrients and requires proliferation at various lateral meristems followed by cell expansion. The WOX-CLE module regulates thickening growth via the vascular cambium in several eudicot systems, but the molecular mechanisms of proliferation at other lateral meristems are not well understood. In potato, onion, and other systems, members of the phosphatidylethanolamine-binding protein (PEBP) gene family induce underground storage organ development in response to photoperiod cues. While molecular mechanisms of tuber development in potato are well understood, we lack detailed mechanistic knowledge for the extensive morphological and taxonomic diversity of underground storage organs in plants.</p></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"80 ","pages":"Article 102544"},"PeriodicalIF":9.5,"publicationDate":"2024-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140948024","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
The root of plant-plant interactions: Belowground special cocktails 植物与植物相互作用的根源：地下特别鸡尾酒
IF 9.5 2区 生物学
Current opinion in plant biology Pub Date : 2024-05-14 DOI: 10.1016/j.pbi.2024.102547
Laura Mathieu, Elsa Ballini, Jean-Benoit Morel, Louis-Valentin Méteignier
{"title":"The root of plant-plant interactions: Belowground special cocktails","authors":"Laura Mathieu,&nbsp;Elsa Ballini,&nbsp;Jean-Benoit Morel,&nbsp;Louis-Valentin Méteignier","doi":"10.1016/j.pbi.2024.102547","DOIUrl":"10.1016/j.pbi.2024.102547","url":null,"abstract":"<div><p>Plants interact with each other via a multitude of processes among which belowground communication facilitated by specialized metabolites plays an important but overlooked role. Until now, the exact targets, modes of action, and resulting phenotypes that these metabolites induce in neighboring plants have remained largely unknown. Moreover, positive interactions driven by the release of root exudates are prevalent in both natural field conditions and controlled laboratory environments. In particular, intraspecific positive interactions suggest a genotypic recognition mechanism in addition to non-self perception in plant roots. This review concentrates on recent discoveries regarding how plants interact with one another through belowground signals in intra- and interspecific mixtures. Furthermore, we elaborate on how an enhanced understanding of these interactions can propel the field of agroecology forward.</p></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"80 ","pages":"Article 102547"},"PeriodicalIF":9.5,"publicationDate":"2024-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1369526624000384/pdfft?md5=2d7bcdefc960e12a08a6eb00f0761e26&pid=1-s2.0-S1369526624000384-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140944528","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Heating up meiosis – Chromosome recombination and segregation under high temperatures 加热减数分裂--高温下的染色体重组和分离
IF 9.5 2区 生物学
Current opinion in plant biology Pub Date : 2024-05-14 DOI: 10.1016/j.pbi.2024.102548
Joke De Jaeger-Braet, Arp Schnittger
{"title":"Heating up meiosis – Chromosome recombination and segregation under high temperatures","authors":"Joke De Jaeger-Braet,&nbsp;Arp Schnittger","doi":"10.1016/j.pbi.2024.102548","DOIUrl":"https://doi.org/10.1016/j.pbi.2024.102548","url":null,"abstract":"<div><p>Heat stress is one of the major constraints to plant growth and fertility. During the current climate crisis, heat waves have increased dramatically, and even more extreme conditions are predicted for the near future, considerably affecting ecosystems and seriously threatening world food security. Although heat is very well known to affect especially reproductive structures, little is known about how heat interferes with reproduction in comparison to somatic cells and tissues. Recently, the effect of heat on meiosis as a central process in sexual reproduction has been analyzed in molecular and cytological depth. Notably, these studies are not only important for applied research by laying the foundation for breeding heat-resilient crops, but also for fundamental research, revealing general regulatory mechanisms of recombination and chromosome segregation control.</p></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"80 ","pages":"Article 102548"},"PeriodicalIF":9.5,"publicationDate":"2024-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1369526624000396/pdfft?md5=5f9303c1882837c8b8515fe08fb987e7&pid=1-s2.0-S1369526624000396-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140917980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
HYL1's multiverse: A journey through miRNA biogenesis and beyond canonical and non-canonical functions of HYL1 HYL1 的多重宇宙：穿越 miRNA 的生物发生，超越 HYL1 的规范和非规范功能
IF 9.5 2区 生物学
Current opinion in plant biology Pub Date : 2024-05-07 DOI: 10.1016/j.pbi.2024.102546
Lucia Gonzalo , Axel J. Giudicatti , Pablo A. Manavella
{"title":"HYL1's multiverse: A journey through miRNA biogenesis and beyond canonical and non-canonical functions of HYL1","authors":"Lucia Gonzalo ,&nbsp;Axel J. Giudicatti ,&nbsp;Pablo A. Manavella","doi":"10.1016/j.pbi.2024.102546","DOIUrl":"https://doi.org/10.1016/j.pbi.2024.102546","url":null,"abstract":"<div><p>A delicate balance in gene expression, a process highly controlled by post-transcriptional gene silencing mediated by miRNAs, is vital during plant growth and responses to stress. Within the miRNA biogenesis pathway, HYL1 is one of the most important proteins, initially recognized for its role as a cofactor of DCL1. Yet, HYL1's functions extend beyond miRNA processing, encompassing transcriptional regulation and protein translation between other recently discovered functions. This review comprehensively examines our current knowledge of HYL1 functions in plants, looking at its structure, the complex biochemistry behind it, and its involvement in a variety of cellular processes. We also explored the most compelling open questions regarding HYL1 biology and the further perspectives in its study. Unraveling HYL1 functional details could better understand how plants grow, face environmental stresses, and how the miRNA pathway adapts its outcome to the plant growing conditions.</p></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"80 ","pages":"Article 102546"},"PeriodicalIF":9.5,"publicationDate":"2024-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1369526624000372/pdfft?md5=166423f754902952e67da0ff8435c81c&pid=1-s2.0-S1369526624000372-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140879533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The evolutionary and ecological significance of phylloclade formation: A morpho-anatomical approach 植物叶片形成的进化和生态意义：形态解剖学方法
IF 9.5 2区 生物学
Current opinion in plant biology Pub Date : 2024-05-05 DOI: 10.1016/j.pbi.2024.102545
Veit M. Dörken , Philip G. Ladd , Robert F. Parsons
{"title":"The evolutionary and ecological significance of phylloclade formation: A morpho-anatomical approach","authors":"Veit M. Dörken ,&nbsp;Philip G. Ladd ,&nbsp;Robert F. Parsons","doi":"10.1016/j.pbi.2024.102545","DOIUrl":"https://doi.org/10.1016/j.pbi.2024.102545","url":null,"abstract":"<div><p>Instead of leaves, in a few species the main photosynthetic organ is a flattened structure that can be a modified branch (e.g. <em>Ruscus, Jacksonia</em>) or a fused combination of branch and leaf tissue (e.g. <em>Phyllocladus</em>) called a phylloclade. The phylloclades of <em>Phyllocladus</em> lack xeromorphic features in their wet habitat. They are broad under the low light conditions as are those of <em>Ruscus</em> which can occur in forest understories. However <em>Ruscus</em> is also common in dry habitats and shows numerous xeromorphic features. In <em>Jacksonia</em> extensive sclerenchyma and thick cuticle protect the phylloclades from desiccation damage in xeric seasonal conditions. Despite former contrary definitions of phylloclades we advocate they be defined as pseudo-petiolate organs determinate in growth which arise from axillary buds in the axil of reduced leaves and resemble a leaf.</p></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"79 ","pages":"Article 102545"},"PeriodicalIF":9.5,"publicationDate":"2024-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1369526624000360/pdfft?md5=6f5d0c6938cb8454de87a8e6664e7f80&pid=1-s2.0-S1369526624000360-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140825505","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Creating an explosion: Form and function in explosive fruit 创造爆炸爆炸性水果的形式与功能
IF 9.5 2区 生物学
Current opinion in plant biology Pub Date : 2024-04-30 DOI: 10.1016/j.pbi.2024.102543
Erin Cullen, Angela Hay
{"title":"Creating an explosion: Form and function in explosive fruit","authors":"Erin Cullen,&nbsp;Angela Hay","doi":"10.1016/j.pbi.2024.102543","DOIUrl":"https://doi.org/10.1016/j.pbi.2024.102543","url":null,"abstract":"<div><p>Adaptations for seed dispersal are found everywhere in nature. However, only a fraction of this diversity is accessible through the study of model organisms. For example, Arabidopsis seeds are released by dehiscent fruit; and although many genes required for dehiscence have been identified, the genetic basis for the vast majority of seed dispersal strategies remains understudied. Explosive fruit generate mechanical forces to launch seeds over a wide area. Recent work indicates that key innovations required for explosive dispersal lie in localised lignin deposition and precise patterns of microtubule-dependent growth in the fruit valves, rather than dehiscence zone structure. These insights come from comparative approaches, which extend the reach of developmental genetics by developing experimental tools in less well-studied species, such as the Arabidopsis relative, <em>Cardamine hirsuta</em>.</p></div>","PeriodicalId":11003,"journal":{"name":"Current opinion in plant biology","volume":"79 ","pages":"Article 102543"},"PeriodicalIF":9.5,"publicationDate":"2024-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1369526624000347/pdfft?md5=f0a66b4a5d8ec72065d25280491ecb0c&pid=1-s2.0-S1369526624000347-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140813791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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