Journal of Experimental Botany最新文献_第2页

ALOG/LSHs: a novel class of transcription factors that regulate plant growth and development. ALOG/LSHs 是一类新型转录因子：植物生长和发育的进化保守调节因子。

IF 5.6 2区生物学

Journal of Experimental Botany Pub Date : 2025-02-07 DOI: 10.1093/jxb/erae409

Gouranga Upadhyaya, Vishmita Sethi, Annayasa Modak, Sreeramaiah N Gangappa

{"title":"ALOG/LSHs: a novel class of transcription factors that regulate plant growth and development.","authors":"Gouranga Upadhyaya, Vishmita Sethi, Annayasa Modak, Sreeramaiah N Gangappa","doi":"10.1093/jxb/erae409","DOIUrl":"10.1093/jxb/erae409","url":null,"abstract":"The ARABIDOPSIS LIGHT-DEPENDENT SHORT HYPOCOTYLS 1 and rice G1/LIGHT-DEPENDENT SHORT HYPOCOTYLS (ALOG/LSH) group proteins are highly conserved across plant lineages from moss to higher flowering plants, suggesting their crucial role in the evolution and adaptation of land plants. The role of ALOG/LSH proteins is highly conserved in various developmental responses, such as vegetative and reproductive developmental programs. Their role in meristem identity, cotyledon development, seedling photomorphogenesis, and leaf and shoot development has been relatively well established. Moreover, several key pieces of evidence suggest their role in inflorescence architecture and flower development, including male and female reproductive organs and flower colouration. Recent research has started to explore their role in stress response. Functionally, ALOG/LSH proteins have been demonstrated to act as transcriptional regulators and are considered a newly emerging class of transcription factors in plants that regulate diverse developmental and physiological processes. This review aims to stimulate discussion about their role in plant development and as transcription factors. It also seeks to further unravel the underlying molecular mechanism by which they regulate growth and development throughout the plant lineage.","PeriodicalId":15820,"journal":{"name":"Journal of Experimental Botany","volume":" ","pages":"836-850"},"PeriodicalIF":5.6,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142365450","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

Evolution of light-dependent functions of GIGANTEA. GIGANTEA 的光依赖功能的演变。

IF 5.6 2区生物学

Journal of Experimental Botany Pub Date : 2025-02-07 DOI: 10.1093/jxb/erae441

Alena Patnaik, Priyanka Mishra, Anish Dash, Madhusmita Panigrahy, Kishore C S Panigrahi

引用次数: 0

Nitrogen at the crossroads of light: integration of light signalling and plant nitrogen metabolism. 光十字路口的氮：光信号与植物氮代谢的结合。

IF 5.6 2区生物学

Journal of Experimental Botany Pub Date : 2025-02-07 DOI: 10.1093/jxb/erae437

Lekshmy Sathee, Suriyaprakash R, Dipankar Barman, Sandeep B Adavi, Shailendra K Jha, Viswanathan Chinnusamy

{"title":"Nitrogen at the crossroads of light: integration of light signalling and plant nitrogen metabolism.","authors":"Lekshmy Sathee, Suriyaprakash R, Dipankar Barman, Sandeep B Adavi, Shailendra K Jha, Viswanathan Chinnusamy","doi":"10.1093/jxb/erae437","DOIUrl":"10.1093/jxb/erae437","url":null,"abstract":"Plants have developed complex mechanisms to perceive, transduce, and respond to environmental signals, such as light, which are essential for acquiring and allocating resources, including nitrogen (N). This review delves into the complex interaction between light signals and N metabolism, emphasizing light-mediated regulation of N uptake and assimilation. Firstly, we examine the details of light-mediated regulation of N uptake and assimilation, focusing on the light-responsive activity of nitrate reductase (NR) and nitrate transporters. Secondly, we discuss the influence of light on N-dependent developmental plasticity, elucidating how N availability regulates crucial developmental transitions such as flowering time, shoot branching, and root growth, as well as how light modulates these processes. Additionally, we consider the molecular interaction between light and N signalling, focusing on photoreceptors and transcription factors such as HY5, which are necessary for N uptake and assimilation under varying light conditions. A recent understanding of the nitrate signalling and perception of low N is also highlighted. The in silico transcriptome analysis suggests a reprogramming of N signalling genes by shade, and identifies NLP7, bZIP1, CPK30, CBL1, LBD37, LBD38, and HRS1 as crucial molecular regulators integrating light-regulated N metabolism.","PeriodicalId":15820,"journal":{"name":"Journal of Experimental Botany","volume":" ","pages":"803-818"},"PeriodicalIF":5.6,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142622117","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

Advances in plant photobiology: let's light it up once again.

IF 5.6 2区生物学

Journal of Experimental Botany Pub Date : 2025-02-07 DOI: 10.1093/jxb/eraf001

Sourav Datta, Madhusmita Panigrahy, Kishore C S Panigrahi

引用次数: 0

Shedding light on iron nutrition: exploring intersections of transcription factor cascades in light and iron deficiency signaling. 揭示铁营养：探索转录因子级联在光照和缺铁信号转导中的交叉。

IF 5.6 2区生物学

Journal of Experimental Botany Pub Date : 2025-02-07 DOI: 10.1093/jxb/erae324

Ksenia Trofimov, Samriti Mankotia, Mary Ngigi, Dibin Baby, Santosh B Satbhai, Petra Bauer

{"title":"Shedding light on iron nutrition: exploring intersections of transcription factor cascades in light and iron deficiency signaling.","authors":"Ksenia Trofimov, Samriti Mankotia, Mary Ngigi, Dibin Baby, Santosh B Satbhai, Petra Bauer","doi":"10.1093/jxb/erae324","DOIUrl":"10.1093/jxb/erae324","url":null,"abstract":"In the dynamic environment of plants, the interplay between light-dependent growth and iron nutrition is a recurring challenge. Plants respond to low iron levels by adjusting growth and physiology through enhanced iron acquisition from the rhizosphere and internal iron pool reallocation. Iron deficiency response assays and gene co-expression networks aid in documenting physiological reactions and unraveling gene-regulatory cascades, offering insight into the interplay between hormonal and external signaling pathways. However, research directly exploring the significance of light in iron nutrition remains limited. This review provides an overview on iron deficiency regulation and its cross-connection with distinct light signals, focusing on transcription factor cascades and long-distance signaling. The circadian clock and retrograde signaling influence iron uptake and allocation. The light-activated shoot-to-root mobile transcription factor ELONGATED HYPOCOTYL5 (HY5) affects iron homeostasis responses in roots. Blue light triggers the formation of biomolecular condensates containing iron deficiency-induced protein complexes. The potential of exploiting the connection between light and iron signaling remains underutilized. With climate change and soil alkalinity on the rise, there is a need to develop crops with improved nutrient use efficiency and modified light dependencies. More research is needed to understand and leverage the interplay between light signaling and iron nutrition.","PeriodicalId":15820,"journal":{"name":"Journal of Experimental Botany","volume":" ","pages":"787-802"},"PeriodicalIF":5.6,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141901942","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 concerted function of a novel class of transcription factors, ZBFs, in light, jasmonate, and abscisic acid signaling pathways. 一类新型转录因子 ZBFs 在光、茉莉酸和脱落酸信号途径中的协同功能

IF 5.6 2区生物学

Journal of Experimental Botany Pub Date : 2025-02-07 DOI: 10.1093/jxb/erae323

Siddhartha Dutta, Sudip Chattopadhyay, Jay Prakash Maurya

{"title":"The concerted function of a novel class of transcription factors, ZBFs, in light, jasmonate, and abscisic acid signaling pathways.","authors":"Siddhartha Dutta, Sudip Chattopadhyay, Jay Prakash Maurya","doi":"10.1093/jxb/erae323","DOIUrl":"10.1093/jxb/erae323","url":null,"abstract":"Several classes of transcription factors have been investigated in light signaling pathways that bind to the light-responsive elements (LREs) present in the promoters of light regulatory genes for transcriptional regulation. Some of these transcription factors have been shown to bind to numerous promoters through genome-wide ChIP-on-chip (ChIP-chip) studies. Furthermore, through the integration of ChIP-seq and RNA-seq techniques, it has been demonstrated that a transcription factor modifies the expression of numerous genes with which it interacts. However, the mode of action of these transcription factors and their dependency on other regulators in the pathway has just started to be unraveled. In this review, we focus on a particular class of transcription factors, ZBFs (Z-box-binding factors), and their associated partners within the same or other classes of transcription factors and regulatory proteins during photomorphogenesis. Moreover, we have further made an attempt to summarize the crosstalk of these transcription factors with jasmonic acid-, abscisic acid-, and salicylic acid-mediated defense signaling pathways. This review offers an in-depth insight into the manner in which ZBFs and their interactors reshape cellular functions and plant behavior. The underlying principles not only contribute to a comprehensive understanding but also establish a framework for analyzing the interplay between early developmental events and hormone signaling, a regulation orchestrated by the ZBF family.","PeriodicalId":15820,"journal":{"name":"Journal of Experimental Botany","volume":" ","pages":"746-768"},"PeriodicalIF":5.6,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141906793","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

Molecular dialogue between light and temperature signalling in plants: from perception to thermotolerance. 植物中光照和温度信号之间的分子对话：从感知到耐高温

IF 5.6 2区生物学

Journal of Experimental Botany Pub Date : 2025-02-07 DOI: 10.1093/jxb/erae356

Aishwarye Sharma, Harsha Samtani, Ashverya Laxmi

{"title":"Molecular dialogue between light and temperature signalling in plants: from perception to thermotolerance.","authors":"Aishwarye Sharma, Harsha Samtani, Ashverya Laxmi","doi":"10.1093/jxb/erae356","DOIUrl":"10.1093/jxb/erae356","url":null,"abstract":"Light and temperature are the two most variable environmental signals that regulate plant growth and development. Plants in the natural environment usually encounter warmer temperatures during the day and cooler temperatures at night, suggesting both light and temperature are closely linked signals. Due to global warming, it has become important to understand how light and temperature signalling pathways converge and regulate plant development. This review outlines the diverse mechanisms of light and temperature perception, and downstream signalling, with an emphasis on their integration and interconnection. Recent research has highlighted the regulation of thermomorphogenesis by photoreceptors and their downstream light signalling proteins under different light conditions, and circadian clock components at warm temperatures. Here, we comprehensively describe these studies and demonstrate their connection with plant developmental responses. We also explain how the gene signalling pathways of photomorphogenesis and thermomorphogenesis are interconnected with the heat stress response to mediate thermotolerance, revealing new avenues to manipulate plants for climate resilience. In addition, the role of sugars as signalling molecules between light and temperature signalling pathways is also highlighted. Thus, we envisage that such detailed knowledge will enhance the understanding of how plants perceive light and temperature cues simultaneously and bring about responses that help in their adaptation.","PeriodicalId":15820,"journal":{"name":"Journal of Experimental Botany","volume":" ","pages":"677-694"},"PeriodicalIF":5.6,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142017694","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

Shining light on plant growth: recent insights into phytochrome-interacting factors. 植物生长之光：对植物色素相互作用因子的最新认识

IF 5.6 2区生物学

Journal of Experimental Botany Pub Date : 2025-02-07 DOI: 10.1093/jxb/erae276

Xingbo Cai, Enamul Huq

{"title":"Shining light on plant growth: recent insights into phytochrome-interacting factors.","authors":"Xingbo Cai, Enamul Huq","doi":"10.1093/jxb/erae276","DOIUrl":"10.1093/jxb/erae276","url":null,"abstract":"Light serves as a pivotal environmental cue regulating various aspects of plant growth and development, including seed germination, seedling de-etiolation, and shade avoidance. Within this regulatory framework, the basic helix-loop-helix transcription factors known as phytochrome-interacting factors (PIFs) play an essential role in orchestrating responses to light stimuli. Phytochromes, acting as red/far-red light receptors, initiate a cascade of events leading to the degradation of PIFs (except PIF7), thereby triggering transcriptional reprogramming to facilitate photomorphogenesis. Recent research has unveiled multiple post-translational modifications that regulate the abundance and/or activity of PIFs, including phosphorylation, dephosphorylation, ubiquitination, deubiquitination, and SUMOylation. Moreover, intriguing findings indicate that PIFs can influence chromatin modifications. These include modulation of histone 3 lysine 9 acetylation (H3K9ac), as well as occupancy of histone variants such as H2A.Z (associated with gene repression) and H3.3 (associated with gene activation), thereby intricately regulating downstream gene expression in response to environmental cues. This review summarizes recent advances in understanding the role of PIFs in regulating various signaling pathways, with a major focus on photomorphogenesis.","PeriodicalId":15820,"journal":{"name":"Journal of Experimental Botany","volume":" ","pages":"646-663"},"PeriodicalIF":5.6,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141321017","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

Recent advances in UV-B signalling: interaction of proteins with the UVR8 photoreceptor. 紫外线-B 信号的最新进展：蛋白质与 UVR8 光感受器的相互作用。

IF 5.6 2区生物学

Journal of Experimental Botany Pub Date : 2025-02-07 DOI: 10.1093/jxb/erae132

Wei Liu, Gareth I Jenkins

引用次数: 0

Hyperspectral imaging for chloroplast movement detection. 用于叶绿体运动检测的高光谱成像技术。

IF 5.6 2区生物学

Journal of Experimental Botany Pub Date : 2025-02-07 DOI: 10.1093/jxb/erae407

Paweł Hermanowicz, Justyna Łabuz

{"title":"Hyperspectral imaging for chloroplast movement detection.","authors":"Paweł Hermanowicz, Justyna Łabuz","doi":"10.1093/jxb/erae407","DOIUrl":"10.1093/jxb/erae407","url":null,"abstract":"We employed hyperspectral imaging to detect chloroplast positioning and assess its influence on common vegetation indices. In low blue light, chloroplasts move to cell walls perpendicular to the direction of the incident light. In high blue light, chloroplasts exhibit the avoidance response, moving to cell walls parallel to the light direction. Irradiation with high light resulted in significant changes in leaf reflectance and the shape of the reflectance spectrum. Using mutants with disrupted chloroplast movements, we found that blue light-induced changes in the reflectance spectrum are mostly due to chloroplast relocations. We trained machine learning methods in the classification of leaves according to the chloroplast positioning, based on the reflectance spectra. The convolutional network showed low levels of misclassification of leaves irradiated with high light even when different species were used for training and testing, suggesting that reflectance spectra may be used to detect chloroplast avoidance in heterogeneous vegetation. We also examined the correlation between chloroplast positioning and values of indices of normalized-difference type for various combinations of wavelengths and identified an index sensitive to chloroplast positioning. We found that values of some of the vegetation indices, including those sensitive to the carotenoid levels, may be altered due to chloroplast rearrangements.","PeriodicalId":15820,"journal":{"name":"Journal of Experimental Botany","volume":" ","pages":"882-898"},"PeriodicalIF":5.6,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348063","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