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Structure, function, and biophysics of bacterial motility and the flagellar motor-IUPAB2024 session commentary. 细菌运动和鞭毛运动的结构，功能和生物物理学- iupab2024会议评论。
IF 4.9
Biophysical reviews Pub Date : 2024-10-28 eCollection Date: 2024-10-01 DOI: 10.1007/s12551-024-01243-0
Matthew A B Baker, Seiji Kojima
{"title":"Structure, function, and biophysics of bacterial motility and the flagellar motor-IUPAB2024 session commentary.","authors":"Matthew A B Baker, Seiji Kojima","doi":"10.1007/s12551-024-01243-0","DOIUrl":"https://doi.org/10.1007/s12551-024-01243-0","url":null,"abstract":"<p><p>On the 28th of June, 2024, we held a session focusing on bacterial motility at the International Union of Pure and Applied Biophysics Congress, held in Kyoto (IUPAB2024). This session was jointly chaired by Professor Seiji Kojima of Nagoya University and Associate Professor Matthew Baker of UNSW Sydney, highlighting significant advancements and discoveries in bacterial cellular mechanisms and motility, with six speakers each from different countries.</p>","PeriodicalId":9094,"journal":{"name":"Biophysical reviews","volume":"16 5","pages":"537-538"},"PeriodicalIF":4.9,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11604866/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142766175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Friction in soft biological systems and surface self-organization: the role of viscoelasticity. 软生物系统中的摩擦与表面自组织：粘弹性的作用。
IF 4.9
Biophysical reviews Pub Date : 2024-10-28 eCollection Date: 2024-12-01 DOI: 10.1007/s12551-024-01248-9
Ivana Pajic-Lijakovic, Milan Milivojevic, Peter V E McClintock
{"title":"Friction in soft biological systems and surface self-organization: the role of viscoelasticity.","authors":"Ivana Pajic-Lijakovic, Milan Milivojevic, Peter V E McClintock","doi":"10.1007/s12551-024-01248-9","DOIUrl":"10.1007/s12551-024-01248-9","url":null,"abstract":"<p><p>Friction is a critical factor in the proper functioning of human organs as well as in the potential development of disease. It is also important for the design of diagnostic and interventional medical devices. Nanoscale surface roughness, viscoelastic or plastic deformations, wear, and lubrication all influence the functions of individual cells. The effects of friction in soft matter systems are quantified using different types of frictional coefficients, including the dynamic friction coefficient, friction-skin drag, and pressure drag. These coefficients are determined by the viscoelastic properties of the two systems in contact and their relative velocity. In this review, several biological systems are considered, including (i) epithelial tissues in contact with soft hydrogel-like implants, (ii) the collective migration of epithelial monolayers on substrate matrices, (iii) blood flow through blood vessels, and (iv) the movement of cancer cells past epithelial clusters along with the migration of epithelial cells within the cluster.</p>","PeriodicalId":9094,"journal":{"name":"Biophysical reviews","volume":"16 6","pages":"813-829"},"PeriodicalIF":4.9,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11735778/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143000045","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Meet the IUPAB Councillor: A/Prof Matthew AB Baker (UNSW Sydney, Australia). 会见IUPAB委员：A/ Matthew AB Baker教授（澳大利亚悉尼新南威尔士大学）。
IF 4.9
Biophysical reviews Pub Date : 2024-10-28 eCollection Date: 2024-10-01 DOI: 10.1007/s12551-024-01240-3
Matthew A B Baker
{"title":"Meet the IUPAB Councillor: A/Prof Matthew AB Baker (UNSW Sydney, Australia).","authors":"Matthew A B Baker","doi":"10.1007/s12551-024-01240-3","DOIUrl":"https://doi.org/10.1007/s12551-024-01240-3","url":null,"abstract":"<p><p>An introduction to IUPAB Councillor (2024-2027) A/Prof Matthew AB Baker (UNSW Sydney).</p>","PeriodicalId":9094,"journal":{"name":"Biophysical reviews","volume":"16 5","pages":"511-512"},"PeriodicalIF":4.9,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11604980/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142766054","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanobiology of 3D cell confinement and extracellular crowding. 三维细胞禁闭和细胞外拥挤的力学生物学。
IF 4.9
Biophysical reviews Pub Date : 2024-10-23 eCollection Date: 2024-12-01 DOI: 10.1007/s12551-024-01244-z
Gabriela Da Silva André, Céline Labouesse
{"title":"Mechanobiology of 3D cell confinement and extracellular crowding.","authors":"Gabriela Da Silva André, Céline Labouesse","doi":"10.1007/s12551-024-01244-z","DOIUrl":"10.1007/s12551-024-01244-z","url":null,"abstract":"<p><p>Cells and tissues are often under some level of confinement, imposed by the microenvironment and neighboring cells, meaning that there are limitations to cell size, volume changes, and fluid exchanges. 3D cell culture, increasingly used for both single cells and organoids, inherently impose levels of confinement absent in 2D systems. It is thus key to understand how different levels of confinement influences cell survival, cell function, and cell fate. It is well known that the mechanical properties of the microenvironment, such as stiffness and stress relaxation, are important in activating mechanosensitive pathways, and these are responsive to confinement conditions. In this review, we look at how low, intermediate, and high levels of confinement modulate the activation of known mechanobiology pathways, in single cells, organoids, and tumor spheroids, with a specific focus on 3D confinement in microwells, elastic, or viscoelastic scaffolds. In addition, a confining microenvironment can drastically limit cellular communication in both healthy and diseased tissues, due to extracellular crowding. We discuss potential implications of extracellular crowding on molecular transport, extracellular matrix deposition, and fluid transport. Understanding how cells sense and respond to various levels of confinement should inform the design of 3D engineered matrices that recapitulate the physical properties of tissues.</p>","PeriodicalId":9094,"journal":{"name":"Biophysical reviews","volume":"16 6","pages":"833-849"},"PeriodicalIF":4.9,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11735831/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142999969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
"Meet the IUPAB councilor"-Thomas Gutsmann. “见见IUPAB委员”——托马斯·古斯曼。
IF 4.9
Biophysical reviews Pub Date : 2024-10-21 eCollection Date: 2024-10-01 DOI: 10.1007/s12551-024-01226-1
Thomas Gutsmann
{"title":"\"Meet the IUPAB councilor\"-Thomas Gutsmann.","authors":"Thomas Gutsmann","doi":"10.1007/s12551-024-01226-1","DOIUrl":"https://doi.org/10.1007/s12551-024-01226-1","url":null,"abstract":"<p><p>As one of the twelve newly elected councillors, it is my pleasure to provide a brief biographical sketch for the readers of Biophys. Rev. and the members of the Biophysical Societies. I have been actively involved in the German Biophysical Society (DGfB) since 2008, initially as the speaker for the \"Membrane Biophysics\" section and, since 2015, as the secretary. Within the IUPAB council I follow Prof. Hans-Joachim Galla, former Secretary and President of the German Biophysical Society, who served as a councillor for two terms from 2018 to 2024. Thus, a direct continuation of the German contribution to the IUPAB is guaranteed. My journey in biophysics began during my studies of physics at the University of Kiel, where I specialized in physiology and biophysics. After earning my doctorate in the lab of Ulrich Seydel at the Research Center Borstel, I spent two years at the University of California, Santa Barbara, working in Paul Hansma's lab on the development and application of atomic force microscopy. During my time at UCSB, I also collaborated with Jacob Israelachvili's lab on membrane properties. Since 2008, I have been leading the Biophysics Research Group at the Research Center Borstel, Leibniz Lung Center. In 2010, I was appointed as a professor at the University of Lübeck. Additionally, since 2023, I have been serving as an associate member at the Centre for Structural Systems Biology (CSSB) in Hamburg.</p>","PeriodicalId":9094,"journal":{"name":"Biophysical reviews","volume":"16 5","pages":"515-517"},"PeriodicalIF":4.9,"publicationDate":"2024-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11604882/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142766096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Structural changes in troponin during activation of skeletal and heart muscle determined in situ by polarised fluorescence. 在骨骼肌和心肌激活过程中肌钙蛋白的结构变化通过极化荧光原位测定。
IF 4.9
Biophysical reviews Pub Date : 2024-10-19 eCollection Date: 2024-12-01 DOI: 10.1007/s12551-024-01245-y
Ivanka R Sevrieva, Thomas Kampourakis, Malcolm Irving
{"title":"Structural changes in troponin during activation of skeletal and heart muscle determined in situ by polarised fluorescence.","authors":"Ivanka R Sevrieva, Thomas Kampourakis, Malcolm Irving","doi":"10.1007/s12551-024-01245-y","DOIUrl":"10.1007/s12551-024-01245-y","url":null,"abstract":"<p><p>Calcium binding to troponin triggers the contraction of skeletal and heart muscle through structural changes in the thin filaments that allow myosin motors from the thick filaments to bind to actin and drive filament sliding. Here, we review studies in which those changes were determined in demembranated fibres of skeletal and heart muscle using fluorescence for in situ structure (FISS), which determines domain orientations using polarised fluorescence from bifunctional rhodamine attached to cysteine pairs in the target domain. We describe the changes in the orientations of the N-terminal lobe of troponin C (TnC<sub>N</sub>) and the troponin IT arm in skeletal and cardiac muscle cells associated with contraction and compare the orientations with those determined in isolated cardiac thin filaments by cryo-electron microscopy. We show that the orientations of the IT arm determined by the two approaches are essentially the same and that this region acts as an almost rigid scaffold for regulatory changes in the more mobile regions of troponin. However, the TnC<sub>N</sub> orientations determined by the two methods are clearly distinct in both low- and high-calcium conditions. We discuss the implications of these results for the role of TnC<sub>N</sub> in mediating the multiple signalling pathways acting through troponin in heart muscle cells and the general advantages and limitations of FISS and cryo-EM for determining protein domain orientations in cells and multiprotein complexes.</p>","PeriodicalId":9094,"journal":{"name":"Biophysical reviews","volume":"16 6","pages":"753-772"},"PeriodicalIF":4.9,"publicationDate":"2024-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11735716/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142999958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An attempt of Seibutsu-Butsuri in Kyoto IUPAB Congress 2024. 2024年京都IUPAB大会上Seibutsu-Butsuri的尝试。
IF 4.9
Biophysical reviews Pub Date : 2024-10-18 eCollection Date: 2024-10-01 DOI: 10.1007/s12551-024-01241-2
Tamiki Komatsuzaki
{"title":"An attempt of Seibutsu-Butsuri in Kyoto IUPAB Congress 2024.","authors":"Tamiki Komatsuzaki","doi":"10.1007/s12551-024-01241-2","DOIUrl":"https://doi.org/10.1007/s12551-024-01241-2","url":null,"abstract":"<p><p>In Kyoto IUPAB Congress, a Japanese bimonthly magazine of biophysics, Seibutsu-Butsuri, organized a round table, with an online English journal of Biophysics and Physicobiology, to discuss the possible future of biophysics by gathering seven prominent researchers who participated in the congress. The content will be published both in Japanese and English in the two journals, which is expected to stimulate our next generation researchers in biophysics over the world.</p>","PeriodicalId":9094,"journal":{"name":"Biophysical reviews","volume":"16 5","pages":"509-510"},"PeriodicalIF":4.9,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11604864/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142766174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biophysical Reviews special issue for the 21st IUPAB congress and 62nd meeting of the Biophysical Society of Japan, Kyoto, Japan, 2024. 《生物物理评论》第21届IUPAB大会特刊和第62届日本生物物理学会会议，日本京都，2024年。
IF 4.9
Biophysical reviews Pub Date : 2024-10-17 eCollection Date: 2024-10-01 DOI: 10.1007/s12551-024-01247-w
Damien Hall, Wilma K Olson
{"title":"<i>Biophysical Reviews</i> special issue for the 21st IUPAB congress and 62nd meeting of the Biophysical Society of Japan, Kyoto, Japan, 2024.","authors":"Damien Hall, Wilma K Olson","doi":"10.1007/s12551-024-01247-w","DOIUrl":"https://doi.org/10.1007/s12551-024-01247-w","url":null,"abstract":"<p><p>This Editorial for Volume 16 Issue 5 introduces the contents of the Special Issue featuring content from the 21st IUPAB Congress held jointly with the 62nd Biophysical Society of Japan Annual Meeting.</p>","PeriodicalId":9094,"journal":{"name":"Biophysical reviews","volume":"16 5","pages":"497-500"},"PeriodicalIF":4.9,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11604905/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142766101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Novel imaging and biophysical approaches to study tissue hydraulics in mammalian folliculogenesis. 研究哺乳动物卵泡发育组织水力学的新成像和生物物理方法。
IF 4.9
Biophysical reviews Pub Date : 2024-10-07 eCollection Date: 2024-10-01 DOI: 10.1007/s12551-024-01231-4
Jake Turley, Kim Whye Leong, Chii Jou Chan
{"title":"Novel imaging and biophysical approaches to study tissue hydraulics in mammalian folliculogenesis.","authors":"Jake Turley, Kim Whye Leong, Chii Jou Chan","doi":"10.1007/s12551-024-01231-4","DOIUrl":"https://doi.org/10.1007/s12551-024-01231-4","url":null,"abstract":"<p><p>A key developmental stage in mammalian folliculogenesis is the formation of a fluid-filled lumen (antrum) prior to ovulation. While it has long been speculated that the follicular fluid is essential for oocyte maturation and ovulation, little is known about the morphogenesis and the mechanisms driving the antrum formation and ovulation, potentially due to challenges in imaging tissue dynamics in large tissues. Misregulation of such processes leads to anovulation, a hallmark of infertility in ageing and diseases such as the polycystic ovary syndrome (PCOS). In this review, we discuss recent advances in deep tissue imaging techniques, machine learning and theoretical approaches that have been applied to study development and diseases. We propose that an integrative approach combining these techniques is essential for understanding the physics of hydraulics in follicle development and ovarian functions.</p>","PeriodicalId":9094,"journal":{"name":"Biophysical reviews","volume":"16 5","pages":"625-637"},"PeriodicalIF":4.9,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11604877/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142766073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advances in mechanotransduction and sonobiology: effects of audible acoustic waves and low-vibration stimulations on mammalian cells. 机械转导和声生物学研究进展：可听声波和低振动刺激对哺乳动物细胞的影响。
IF 4.9
Biophysical reviews Pub Date : 2024-10-07 eCollection Date: 2024-12-01 DOI: 10.1007/s12551-024-01242-1
D Del Rosario-Gilabert, A Valenzuela-Miralles, G Esquiva
{"title":"Advances in mechanotransduction and sonobiology: effects of audible acoustic waves and low-vibration stimulations on mammalian cells.","authors":"D Del Rosario-Gilabert, A Valenzuela-Miralles, G Esquiva","doi":"10.1007/s12551-024-01242-1","DOIUrl":"10.1007/s12551-024-01242-1","url":null,"abstract":"<p><p>In recent decades, research on mechanotransduction has advanced considerably, focusing on the effects of audible acoustic waves (AAWs) and low-vibration stimulation (LVS), which has propelled the field of sonobiology forward. Taken together, the current evidence demonstrates the influence of these biosignals on key cellular processes, such as growth, differentiation and migration in mammalian cells, emphasizing the determining role of specific physical parameters during stimulation, such as frequency, sound pressure level/amplitude and exposure time. These mechanical waves interact with various cellular elements, including ion channels, primary cilia, cell-cell adhesion receptors, cell-matrix and extracellular matrix proteins, and focal adhesion complexes. These components connect with the cytoskeletal fibre network, enabling the transmission of mechanical stimuli towards the nucleus. The nucleus, in turn, linked to the cytoskeleton via the linkers of the nucleoskeleton and cytoskeleton complex, acts as a mechanosensitive centre, not only responding to changes in cytoskeletal stiffness and nuclear tension but also regulating gene expression through the transcriptional co-activator YAP/TAZ and interactions between chromatin and the nuclear envelope. This intricate chain of mechanisms highlights the potential of sonobiology in various fields, including dentistry, regenerative medicine, tissue engineering and cancer research. However, progress in these fields requires the establishment of standardized measurement methodologies and biocompatible experimental setups to ensure the reproducibility of results.</p>","PeriodicalId":9094,"journal":{"name":"Biophysical reviews","volume":"16 6","pages":"783-812"},"PeriodicalIF":4.9,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11735818/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143000007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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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