Biology Biophysics

News

Visualization of coronavirus causing Covid19
19 Jan 2023
Researchers at Kanazawa University report in Nano Letters how high-speed atomic force microscopy can be used to assess the effectivity of spike-neutralizing antibodies for preventing COVID-19. The use of such antibodies offers a promising alternative to vaccines.
22 Dec 2022
Osaka Metropolitan University scientists discovered the principle of light-induced acceleration of antigen–antibody reaction, allowing for simple, ultrafast, and highly sensitive detection of proteins. The researchers introduced target proteins and probe particles with modified antibodies selectively binding to the target proteins into a small channel and applied irradiation with infrared laser light. They achieved, for the first time, the rapid measurement of trace amounts of attogram-level target proteins after only 3 minutes of laser irradiation. These findings will potentially contribute to breakthroughs in the development of systems for ultra-early diagnosis of various diseases.
14 Dec 2022
Using cryogenic electron microscopy, a research team from the Research Center for Artificial Photosynthesis (ReCAP) at Osaka Metropolitan University has revealed, for the first time, the structures and binding environments of pigments bound to a protein called a photosynthetic antenna of the marine green macroalga Codium fragile. The team’s results extend our knowledge about the molecular mechanism by which blue-green light—the only light available in deep seawater—is efficiently utilized for photosynthesis.
14 Dec 2022
- Discovery of potential treatment target networks for gene dysregulation uniquely found in patients with autism spectrum disorder - Published in ‘Molecular Psychiatry,’ an international journal of molecular psychiatry
30 Nov 2022
Osaka Metropolitan University researchers introduced seven proteins, thought to let bacteria swim by switching the direction that their helical bodies spiral, into a strain of synthetic bacterium with minimal genetic information. As a result, they confirmed that the synthetic bacterium named syn3, which is normally spherical, formed a helix that could swim by spiraling. Further investigation revealed that only two of these newly added proteins were required to make syn3 capable of minimal swimming. This swimming synthetic bacterium can be said to be the smallest mobile lifeform genetically, as it contains the fewest number of genes.
14 Nov 2022
In a study recently published in the Journal of Extracellular Vesicles, researchers from Kanazawa University use high-speed microscopy to capture the dynamics of nanosized sacs released from cells.
01 Nov 2022
6th NanoLSI Symposium: International symposium on Nanoprobe Technology for Understanding Molecular Systems in Kanazawa, Japan
06 Oct 2022
Researchers from Osaka University have found that serum albumin interferes with β2m amyloid fibril formation through macromolecular crowding. Monitoring serum albumin concentrations could therefore help prevent patients from developing dialysis-related amyloidosis, a serious complication of long-term dialysis.
12 Sep 2022
Researchers at The University of Tokyo create a geometric representation of thermodynamic systems and apply it to self-replicating processes, which may help improve our understanding of the physical constraints of living organisms
09 Aug 2022
Researchers at Kanazawa University report in Communications Biology that using common chemicals for fixing living cell samples for microscopy studies causes membrane proteins to aggregate.
08 Aug 2022
Researchers at Kanazawa University report in ACS Nano the development of a nanoparticle that acts as a heater and a thermometer. Inserting the nanoparticle in living cells results in a heat spot that, by switching it on and off, enables the controlled modulation of local cellular activities.
30 Jun 2022
Researchers at Kanazawa University report in The Journal of Physical Chemistry Letters how to simulate 3D atomic force microscopy images of out-of-equilibrium systems involving biomolecules. The approach makes use of a celebrated equation from thermodynamics applicable to non-equilibrium situations.
21 Jun 2022
A machine rapidly and robustly separates cancer cells from blood samples, overcoming challenges with currently available techniques.
20 Jun 2022
Researchers at Kanazawa University report in Biophysics and Physicobiology how to optimize high-speed atomic force microscopy experiments on live cell membranes, so that moving objects like molecules can be properly followed from frame to frame.
20 Apr 2022
Tile patterns in which the same shape is laid out without gaps are found in the compound eyes of insects. Hexagonal tile patterns are common while shrimp eyes have a square pattern. We investigated tile pattern formation using Drosophila and revealed that the compound eye tile pattern is controlled by a geometrical division mechanism, Voronoi tessellation, in addition to physical constraints determined by the combination of the regular distribution and growth of the individual eyes.
12 Apr 2022
Researchers at Kanazawa University elucidate in Frontiers in Molecular Biosciences how small biocontainers enclosed by membranes are involved in a disease called ATTRv amyloidosis.
21 Mar 2022
Electrical stimulation of nerve fibers could promote the growth of the myelin sheath, a protective layer around neurons that is crucial for transmitting nerve impulses. The finding, published in the journal Biofabrication, introduces a new paradigm in the treatment of diseases where the myelin sheath is progressively lost, leading to muscular atrophy, hand and foot deformities, gait abnormalities, and paralysis.
03 Mar 2022
Giants in History: Gopalasamudram Narayanan Ramachandran (8 October 1922 – 7 April 2001) is best known for developing the Ramachandran plot to understand the structure of short chains of amino acids, known as peptides.
04 Jan 2022
Researchers at Kanazawa University report in Applied Physics Letters the design of an ultrafast amplitude detector for use in high-speed atomic force microscopy. The detector will enable the real-time recording of fast dynamical processes of biomolecules.
15 Dec 2021
In a recent study published in the Journal of Extracellular Vesicles researchers from Kanazawa University have visualized structural changes on the surface of SARS-CoV-2 that enable it to enter human cells.
13 Oct 2021
Direct evidence that microtubules function as mechano-sensors and regulate the intracellular transport of molecules has been reported, leading to new possibilities in the fields of biomechanics, medicine, and biosensors.
08 Jul 2021
Researchers at The University of Tokyo Institute of Industrial Science use artificial intelligence to predict the size of cells over time without the need for simplifying assumptions, which may lead to a new understanding of microbiology principles and improved drug manufacturing from recombinant bacteria
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31 May 2021
High-resolution genome structural analyses combined with large-scale simulations show the arrangements of the genome’s spool-like structures affecting gene expression.
08 Mar 2021
Researchers at Kanazawa University report in Biosensors and Bioelectronics a successful test of a sensor for measuring hydrogen peroxide concentrations near cell membranes. The sensor has the potential to become a tool for new cancer therapies.
07 Jan 2021
Factor-pooling by ribosomes caught on video using state-of-art high-speed atomic force microscopy technology.
28 Dec 2020
Kanazawa University’s pioneering high-speed atomic force microscope technology has now shed light on the structure and dynamics of some of life’s most ubiquitous and inscrutable molecules – intrinsically disordered proteins. The study is reported in Nature Nanotechnology.
Image_iCeMS_Kamei_OpticsLetters
03 Oct 2020
A new apparatus improves how we study the effects of aiming high-field terahertz radiation at cells, with implications for regenerative medicine.
16 Aug 2020
Researchers in Kanazawa University has recently reported their study in Nano Letters regarding a high-speed atomic force microscopy study on a biological event that happens during flu virus enters infects its host cell. The real-time visualization of influenza A hemagglutinin (HA) has enhanced the understanding of fusogenic transition of HA and its interactions with host endosomes.
03 Aug 2020
Researchers at Kanazawa University report in ACS Nano a high-speed atomic-force microscopy study of the formation of protein fibrils (amyloids) associated with pathologies in collaborated research with Showa University. Mixing different variants of a single protein and changing the acidity of its environment is shown to result in significant variations in amyloid structure and elongation rates.
06 Jul 2020
Researchers at Kanazawa University report in Biomaterials a high-speed atomic-force microscopy study of protein filaments in the nuclear pore complex. The visualization in real-time of the filaments’ dynamics is an important step in our understanding of molecular transport mechanisms between a cell nucleus and its surrounding medium.

Events

01 Mar 2022 to 02 Mar 2022
The Nano Life Science Institute (WPI-NanoLSI) at Kanazawa University will hold their 5th NanoLSI Symposium 1-2 March 2022, online.

Researchers

Dr.Ms.Aruna Dhathathreyan is a professor and emeritus scientist at the Advanced Materials Lab, CSIR-Central Leather Research Institute, India.
Dr NK Prasanna
Dr NK Prasanna is currently working as Sr. Scientist & Scientific Editor, Indian Journal of Biochemistry & Biophysics, Research Journals Division at CSIR-National Institute of Science Communication and Policy Research, New Delhi since December 2016. Before joining CSIR (NIScPR), she was at IIT Guwahati. Dr Prasanna completed her Ph.D from Institute of Medical Sciences, Banaras Hindu University, Varanasi. In CSIR-NIScPR, She served one important flagship journals viz. Indian journal of Biochemistry and Biophysics (IJBB; ISSN: 0301-1208) It is pertinent to mention that the journal ranks first among all the NIScPR journals as per the available Journal Metrics by international agencies such as Thomson Reuters and Scopus. Details of remarkable academic achievements of IJBB which she spearheading, both nationally and globally. The Indian journal of Biochemistry and Biophysics (IJBB) is a premier SCI-indexed bimonthly peer-reviewed research journal that publishes original research articles in the subject area of biochemistry and biophysics
Yuichi Taniguchi is a professor at the Institute for Integrated Cell-Material Sciences (iCeMS)/Graduate School of Biostudies, Kyoto University, a team leader at RIKEN Center for Biosystems Dynamics Research and an adjunct professor at Graduate School of Frontier Biosciences, Osaka University.

Giants in history

Gopalasamudram Narayanan Ramachandran (8 October 1922 – 7 April 2001) is best known for developing the Ramachandran plot to understand the structure of short chains of amino acids, known as peptides.