Review
Anatomy & Morphology
Aseem Grover, Reshma Sinha, Divya Jyoti, Caterina Faggio
Summary: The development of electron microscope (EM) in 1931 revolutionized microscopical examination of both biological and non-biological samples. Modifications in EM techniques have widened their applicability in various sectors, such as drug toxicity understanding, criminal investigation, and nano-molecule characterization. EM plays an important role in toxicity assessment and disease prognosis, especially in understanding the impact of toxicants at the ultra-structural level in biological systems.
MICROSCOPY RESEARCH AND TECHNIQUE
(2022)
Article
Biochemistry & Molecular Biology
Mauricio Castro-Sepulveda, Rodrigo Fernandez-Verdejo, Mauro Tunon-Suarez, Jorge Morales-Zuniga, Mayarling Troncoso, Sebastian Jannas-Vela, Hermann Zbinden-Foncea
Summary: Measurement of mitochondria-SR juxtaposition depends on the experience of the rater, and Mfn2 protein seems to play a role in the metabolic control of human men skeletal muscle.
Article
Plant Sciences
Jan Knoblauch, Rainer Waadt, Asaph B. Cousins, Hans-Henning Kunz
Summary: Researchers have established three microscopy protocols to determine the in situ volume of chloroplasts using chlorophyll fluorescence, embedded CFP markers, and calculations from serial block-face scanning electron microscopy. The obtained data were validated by comparing them with mutant lines. The study also found that the size of guard cell plastids is not governed by the same division machinery as mesophyll plastids.
Article
Biochemistry & Molecular Biology
Manuel Belli, Maria Grazia Palmerini, Serena Bianchi, Sara Bernardi, Mohammad Ali Khalili, Stefania Annarita Nottola, Guido Macchiarelli
Summary: Infertility affects around 8% of couples with a slight change in percentage in the last years. Despite significant efforts in Assisted Reproductive Technologies (ARTs), oocyte quality remains crucial for success. Understanding the role of mitochondria in oocyte maturation and embryo development is essential for progress in ARTs. Mitochondrial defects can lead to low fertilization rates and embryonic development failure, highlighting the importance of mitochondria as a marker of oocyte and embryo quality.
ARCHIVES OF BIOCHEMISTRY AND BIOPHYSICS
(2021)
Article
Materials Science, Multidisciplinary
Satoshi Okada, Chong Chen
Summary: This article introduces a new method for preparing a novel conductive adhesive that can bond samples under frozen conditions and successfully conduct imaging experiments under cryo-SEM. This adhesive is not only useful for food science and freeze-stored biological samples, but also potentially applicable to wider fields.
MICROSCOPY AND MICROANALYSIS
(2022)
Article
Engineering, Geological
Diyuan Li, Zida Liu, Quanqi Zhu, Chenxi Zhang, Peng Xiao, Jinyin Ma
Summary: This paper presents a quantitative method based on SEM images and deep learning to identify the mesoscopic failure mechanism of granite, which can determine the distribution of tensile and shear fractures on failure surfaces. The developed AlexNet models achieved high accuracy (96-98%) in identifying tensile and shear fracture surfaces. The results verified the application of the proposed method and its usefulness in understanding the failure mechanism of rock under uniaxial compression.
ROCK MECHANICS AND ROCK ENGINEERING
(2023)
Article
Multidisciplinary Sciences
Jing Wang, Steven Randolph, Qian Wu, Aurelien Botman, Jenna Schardt, Cedric Bouchet-Marquis, Xiaolin Nan, Chad Rue, Marcus Straw
Summary: A CLEM workflow based on a novel FIB/SEM technology using an OSSM process was proposed, which achieved high resolution and imaging efficiency while improving throughput. By combining with iPALM technique, successful 3D imaging of mitochondria was carried out, demonstrating the advantages of OSSM-SEM in CLEM applications.
SCIENTIFIC REPORTS
(2021)
Article
Biochemistry & Molecular Biology
Moe Muramoto, Yuki Yamakuchi, Rikako Konishi, Shiomi Koudatsu, Hiromu Tomikura, Kayoko Fukuda, Sayuri Kuriyama, Yuna Kurokawa, Tatsunori Masatani, Hisanori Tamaki, Akikazu Fujita
Summary: The turnover of PtdIns(4)P by phosphatases is essential for the formation of autophagosomes, as it regulates the localization and levels of PtdIns(4)P in the autophagosomal membrane.
BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR AND CELL BIOLOGY OF LIPIDS
(2022)
Article
Materials Science, Ceramics
Alessandro Bistolfi, Riccardo Ferracini, Gwo Chin Lee, Danilo Mellano, Claudio Guidotti, Francesco Baino, Enrica Verne
Summary: The study evaluated the surface and mechanism of rupture of ceramic liners in two cases with different ceramics after ceramic-on-ceramic total hip arthroplasty, providing a complementary perspective from materials scientists and discussing the patterns of fracture and surface modifications of Biolox Delta and Biolox Forte ceramic liners.
CERAMICS INTERNATIONAL
(2021)
Article
Biochemical Research Methods
Tong Xin, Yanan Lv, Haoran Chen, Linlin Li, Lijun Shen, Guangcun Shan, Xi Chen, Hua Han
Summary: This article proposes a new method for serial section registration using an unsupervised optical flow network to measure feature similarity and eliminate nonlinear deformation. The optical flow network is also used to estimate and compensate for cumulative registration error, enabling the reconstruction of biological tissue structures. Experimental results demonstrate that this method effectively improves the spatial continuity of serial sections and enhances the accuracy of registration and reconstruction for biological tissue structures.
Article
Cell Biology
Brent M. Wood, Valentina Baena, Hai Huang, Danielle M. Jorgens, Mark Terasaki, Thomas B. Kornberg
Summary: Cytonemes are specialized filopodia that mediate paracrine signaling in Drosophila and other animals. High-pressure freezing and EM visualization revealed novel structural features of cytonemes, highlighting their essential roles in cell biology and signaling processes. This study provides a fundamental basis for understanding the function and importance of cytonemes in cellular communication.
JOURNAL OF CELL BIOLOGY
(2021)
Article
Cell Biology
Rikako Konishi, Yuna Kurokawa, Kanna Tomioku, Tatsunori Masatani, Xuenan Xuan, Akikazu Fujita
Summary: This study used a rapid-frozen and freeze-fractured immuno-electron microscopy method to examine the distribution of GM1 and GM3 in the Toxoplasma gondii cell membrane. Results showed that these components were localized in the intracellular confined space, indicating a novel characteristic of rafts in the organism.
EUROPEAN JOURNAL OF CELL BIOLOGY
(2021)
Article
Biology
Anja Beckmann, Johanna Recktenwald, Alice Ferdinand, Alexander Grissmer, Carola Meier
Summary: Gap junctions play a crucial role in direct transport of small molecules, ions, and water between connected cells, particularly in disease states. Short-term hyperosmolarity can induce structural and functional changes in gap junctions, affecting intercellular communication.
Article
Microbiology
Laura Valdes-Santiago, Rafael Vargas-Bernal, Gabriel Herrera-Perez, Juan G. Colli-Mull, Ayabeth Ordaz-Arias
Summary: The danger of Sclerotium cepivorum lies in the strength of its survival structure, sclerotia, which can remain dormant for long periods due to food reserves. This study demonstrates the utility of two-photon fluorescence microscopy for analyzing the structure of sclerotia from S. cepivorum, showcasing it as a valuable tool for studying sclerotia structure and fluorescence signals. The study also suggests the possibility of using fluorescent signals as a specific marker for field detection.
CURRENT MICROBIOLOGY
(2021)
Article
Parasitology
Pierre Poteaux, Benjamin Gourbal, David Duval
Summary: This study investigates the transformation process of Schistosoma mansoni miracidia into mother sporocysts. The researchers use scanning electron microscopy to observe the ultrastructural changes during this process. The study fills a knowledge gap regarding the tegumental changes in the mother sporocyst and provides new insights into the interaction between the parasite and its snail host.
Article
Virology
Juan F. Arias, Marta Colomer-Lluch, Benjamin von Bredow, Justin M. Greene, Julie MacDonald, David H. O'Connor, Ruth Serra-Moreno, David T. Evans
JOURNAL OF VIROLOGY
(2016)
Article
Surgery
Dmitry Nepomnayshy, Walid Hesham, Brandon Erickson, Julie MacDonald, Richard Iorio, David Brams
Article
Reproductive Biology
Julie A. MacDonald, Niharika Kura, Carleigh Sussman, Dori C. Woods
JOURNAL OF OVARIAN RESEARCH
(2018)
Article
Obstetrics & Gynecology
Julie A. MacDonald, Yasushi Takai, Osamu Ishihara, Hiroyuki Seki, Dori C. Woods, Jonathan L. Tilly
FERTILITY AND STERILITY
(2019)
Article
Biology
Julie A. MacDonald, Alisha M. Bothun, Sofia N. Annis, Hannah Sheehan, Somak Ray, Yuanwei Gao, Alexander R. Ivanov, Konstantin Khrapko, Jonathan L. Tilly, Dori C. Woods
COMMUNICATIONS BIOLOGY
(2019)
Article
Multidisciplinary Sciences
Julie A. MacDonald, William H. Fowle, Ellie Shin, Dori C. Woods
Article
Microscopy
Shengli Zhang, Ying Wang, Bowei Wang, Yi Zeng, Jiani Li, Xingyue Wang, Cuihua Hu, Zhankun Weng, Zuobin Wang
Summary: Curcumin was found to have effects on the activity, migration, and mitochondrial membrane potential of malignant hepatocytes and their mitochondria. The findings from both optical microscopy and atomic force microscopy studies confirm these effects on cell morphology and biomechanics.
Article
Microscopy
Rutika Sansaria, Krishanu Dey Das, Alwin Poulose
Summary: This paper presents a method for quantifying Golgi dispersion images and classifying them using machine learning models. By applying automated image processing and segmentation, extracting features, and using different classifiers, accurate classification of Golgi images is achieved.
Article
Microscopy
Marjorie da Silva, Cintia Eleonora Lopes Justino, Fernando Henrique Carnimeo, Fernando Barbosa Noll, Johan Billen
Summary: This article describes the secretory glands in females of two species of Myzinum and discusses their homology with other glands in the Hymenoptera order. The study finds that the three glands, instead of the commonly believed two, are present in Myzinum species. However, the limited research on the structure, function, and evolution of female accessory glands in Hymenoptera prevents conclusive statements.
Article
Microscopy
Ping Hao, Wen Yin, Xi Chen, Shuangshuang Qin, Yue Yu, Yuan Yuan, Xiaoyu Quan, Bing Hu, Shouhai Chen, Yi Wu
Summary: This study confirmed the secretion of nano-scale exosomes-multivesicular bodies and the interaction of high endothelial cells (HECs) with lysosomes and mitochondria in the small intestine of laying birds. Immunohistochemistry and immunofluorescence results showed the strong immunoreactivity of exosome-related proteins and autophagic-related proteins in the lamina propria of the small intestine. These findings reveal an innovative communication method among HECs in the small intestine.
Article
Microscopy
Stefan Talu, Robert S. Matos, Henrique Duarte da Fonseca Filho, Daniela Predoi, Simona Liliana Iconaru, Carmen Steluta Ciobanu, Liliana Ghegoiu
Summary: This study developed composite layers based on magnesium-doped hydroxyapatite and chitosan, and demonstrated their good biocompatibility and antifungal effects against osteosarcoma cells. The attachment and growth of the cells on the composite layers were promoted, while the growth of Candida albicans was inhibited. The morphological analysis revealed complex 3D patterns on the cancer cell surfaces on the magnesium-containing composite layers.