Author
Y.-W. Chang
Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.
Biology Disciplines
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2016-2024 · peak 6/yrCo-Author Collaboration Network
10 top collaborators · 26 mutual co-author links18 papers
Recent·Most cited
Native ultrastructure of fresh human brain vitrified directly from autopsy revealed by cryo-electron tomography with cryo-plasma focused ion beam milling
B. C. Creekmore, K. Kixmoeller, B. E. Black, E. B. Lee, Y.-W. Chang
This paper presents a method to image unfixed, never frozen human brain tissue using cryo-ET with xenon plasma FIB milling, revealing native ultrastructures like myelin and autophagy components.
bioRxiv · Sep 13, 2023 · PreprintPathology
Inflammasomes primarily restrict cytosolic Salmonella replication within human macrophages
M. S. Egan, E. A. O'Rourke, S. K. Mageswaran, B. Zuo, I. Martynyuk, T. Demissie, E. N. Hunter, A. R. Bass, Y.-W. Chang, I. E. Brodsky, S. Shin
This study identifies caspase-1 and GSDMD as key mediators of inflammasome responses that restrict Salmonella replication in human macrophages.
bioRxiv · Jul 17, 2023Microbiology
Engineered retrovirus-like nanocarriers for messenger RNA delivery into neurons
W. Gu, S. Luozhong, S. Cai, K. Londhe, N. Elkasri, R. Hawkins, Z. Yuan, K. Su-Greene, M. Cruz, Y.-W. Chang, P. McMullen, C. Wu, C. Seo, A. Guru, W. Gao, , S. Jiang
This paper develops engineered retrovirus-like nanocarriers for efficient mRNA delivery into neurons by modifying extracellular vesicles with Arc protein capsids and RNA elements.
bioRxiv · Dec 7, 2022 · PreprintBioengineering
Dynamic structural adaptations enable the endobiotic predation of bdellovibrio bacteriovorus
M. Kaplan, Y.-W. Chang, C. M. Oikonomou, W. J. Nicolas, A. I. Jewett, S. Kreida, P. Dutka, L. A. Rettberg, S. Maggi, G. J. Jensen
This study uses cryo-electron tomography to image the predation cycle of Bdellovibrio bacteriovorus, revealing structural adaptations during prey invasion and replication.
bioRxiv · Jun 13, 2022 · PreprintMicrobiology
An apical membrane complex controls rhoptry exocytosis and invasion in Toxoplasma
D. Sparvoli, J. Delabre, D. M. Penarete-Vargas, S. Kumar Mageswaran, L. M. Tsypin, J. Heckendorn, L. Theveny, M. Maynadier, M. Mendonca Cova, L. Berry-Sterkers, A. Guerin, J.-F. Dubremetz, S. Urbach, B. Striepen, A. P. Turkewitz, , M. LEBRUN
The paper identifies CRMPs as a complex involved in rhoptry exocytosis and invasion in Toxoplasma, acting as a host-molecular sensor.
bioRxiv · Feb 25, 2022 · PreprintCell Biology
Bacterial outer-membrane polysaccharide export (OPX) proteins occupy three structural classes with selective β-barrel porin requirements for polymer secretion
F. Saïdi, U. Mahanta, A. Panda, N. Y. Jolivet, R. Bitazar, G. John, M. Martinez, A. Mellouk, C. Calmettes, Y.-W. Chang, G. Sharma, S. T. Islam
The paper identifies three structural classes of bacterial OPX proteins and shows that some use β-barrel porins for polysaccharide secretion when they cannot span the outer membrane.
bioRxiv · Feb 11, 2022Microbiology
Omicron-specific mRNA vaccine induced potent neutralizing antibody against Omicron but not other SARS-CoV-2 variants
I.-J. Lee, C.-P. Sun, P.-Y. Wu, Y.-H. Lan, I.-H. Wang, W.-C. Liu, S.-C. Tseng, S.-I. Tsung, Y.-C. Chou, M. Kumari, Y.-W. Chang, H.-F. Chen, Y.-S. Lin, T. -Y. Chen, C.-W. Chiu, , M.-H. Tao
This study evaluates Omicron-specific mRNA vaccines and finds they induce strong neutralizing antibodies against Omicron but not other variants, while bivalent vaccines show broader neutralizing activity.
bioRxiv · Jan 31, 2022Microbiology
In situ structure and priming mechanism of the rhoptry secretion system in Plasmodium revealed by cryo-electron tomography
M. Martinez, W. D. Chen, M. Cova, P. A. Molnar, S. K. Mageswaran, A. Guerin, A. R. O. John, M. Lebrun, Y.-W. Chang
This study uses cryo-electron tomography to reveal the structure and priming mechanism of the rhoptry secretion system in Plasmodium falciparum merozoites, identifying distinct organizational states and conformational changes in the RSA.
bioRxiv · Jan 11, 2022 · PreprintMicrobiology
Nanoscale details of mitochondrial fission revealed by cryo-electron tomography
S. K. Mageswaran, D. A. Grotjahn, X. Zeng, B. A. Barad, M. A. Medina, M. H. Hoang, M. J. Dobro, Y.-W. Chang, M. Xu, W. Y. Yang, G. J. Jensen
This study uses cryo-electron tomography to reveal nanoscale details of mitochondrial fission in mammalian cells, showing coordinated membrane constriction and the role of actin and septin filaments.
bioRxiv · Dec 13, 2021 · PreprintCell Biology
A novel widespread bacterial structure related to the flagellar type III secretion system
M. Kaplan, C. M. Oikonomou, c. R. Wood, G. Chreifi, D. Ghosal, M. Dobro, Q. Yao, A. McDowall, A. Briegel, M. Beeby, Y.-W. Chang, C. Shaffer, G. J. Jensen
The paper identifies a novel widespread bacterial structure related to the flagellar type III secretion system, suggesting its involvement in diverse cellular functions.
bioRxiv · Sep 3, 2021 · PreprintMicrobiology
Bacterial flagellar motor PL-ring disassembly sub-complexes are widespread and ancient
M. Kaplan, M. J. Sweredoski, J. Rodrigues, E. I. Tocheva, Y.-W. Chang, D. R. Ortega, M. Beeby, G. J. Jensen
The paper shows that bacterial flagellar motor PL-ring sub-complexes persist after disassembly across multiple phyla and are ancient, not recently transferred.
bioRxiv · Sep 30, 2019Evolutionary Biology
Simulations suggest a constrictive force is required for Gram-negative bacterial cell division
L. T. Nguyen, C. M. Oikonomou, H. J. Ding, M. Kaplan, Q. Yao, Y.-W. Chang, M. Beeby, G. J. Jensen
The paper uses simulations to show that a constrictive force is needed for Gram-negative bacterial cell division, as cell wall remodeling alone is insufficient.
bioRxiv · Sep 1, 2018Biophysics
In vivo structures of the Helicobacter pylori cag type IV secretion system
Y.-W. Chang, C. L. Shaffer, L. A. Rettberg, D. Ghosal, G. J. Jensen
This study uses electron cryotomography to reveal the in vivo structure of the Helicobacter pylori cag T4SS, showing its architecture and proposed delivery mechanism.
bioRxiv · Sep 28, 2017Microbiology
In vivo structures of an intact type VI secretion system revealed by electron cryotomography
Y.-W. Chang, L. A. Rettberg, G. J. Jensen
This study uses electron cryotomography to visualize the extended type VI secretion system in intact bacterial cells, revealing new structural features and insights into its function.
bioRxiv · Feb 14, 2017Microbiology
Uncharacterized bacterial structures revealed by electron cryotomography
M. J. Dobro, C. M. Oikonomou, A. Piper, J. Cohen, K. Guo, T. Jensen, J. Tadayon, J. Donermeyer, Y. Park, B. A. Solis, A. Kjaer, A. I. Jewett, A. W. McDowall, S. Chen, Y.-W. Chang, , G. J. Jensen
The paper presents uncharacterized bacterial structures observed via electron cryotomography to encourage their identification and study.
bioRxiv · Feb 13, 2017Microbiology
Structure of the archaellar motor and associated cytoplasmic cone in Thermococcus kodakaraensis
A. Briegel, C. M. Oikonomou, Y.-W. Chang, A. Kjaer, A. N. Huang, K. W. Kim, D. Ghosal, R. P. Gunsalus, G. J. Jensen
This study uses electron cryotomography to visualize the archaellar motor and cytoplasmic cone in Thermococcus kodakaraensis, revealing structural differences from bacterial type IV pilus.
bioRxiv · Feb 13, 2017Cell Biology
Structure of the Legionella Dot/Icm type IV secretion system in situ by electron cryotomography
D. Ghosal, Y.-W. Chang, K. C. Jeong, J. P. Vogel, G. J. Jensen
The paper reports the in situ structure of the Legionella Dot/Icm T4BSS using electron cryotomography, revealing structural similarities to T4ASSs and highlighting type-specific features.
bioRxiv · Nov 7, 2016Microbiology