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Current Issue of PLoSBiology


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September 2026

Myelin sheath lengths vary by an order of magnitude in the central nervous system and tune the timing of neuronal signaling. Variation in myelin sheath length has therefore been proposed to coordinate the timing of neuronal signaling to ultimately impact behavior. For decades, reports have documented that in vivo myelin sheath size scales with the diameter of the ensheathed axon, but the mechanisms of oligodendrocyte diameter-sensing and its translation into sheath elongation are still unknown. Young et al. demonstrate that diameter-sensing and sheath length are locally regulated: each individual myelin sheath responds to the underlying fiber diameter via the mechanosensitive ion channel Piezo1. In mice in vivo, Piezo1 impacts the elongation of myelin sheaths on large diameter axons, recapitulating the in vitro results. Yet, surprisingly, conditional Piezo1 loss does not impact myelin thickness. The authors propose that Piezo1 provides a mechanism to establish hard-wired myelin sheath patterns, whereby oligodendrocytes transduce axon diameter into generating myelin segments with vastly different lengths. The image shows a single oligodendrocyte cell myelinating mixed diameter synthetic axons. A myelin basic protein immunofluorescence image has been colorized according to confocal z-plane and modified with edge detection to highlight numerous myelin sheaths of different lengths formed by a single oligodendrocyte. The longer myelin sheath formed on a larger diameter synthetic axon stands out in blue-green.

Image Credit: Marie E. Bechler

Essay

Seaweed carbon removal cannot keep up with climate-driven loss

Karen Filbee-Dexter, Albert Pessarrodona, Kira A. Krumhansl, Thomas Wernberg

Unsolved Mystery

Does acute inflammation triggered by infection promote cancer progression?

Felipe Valença-Pereira, Bryan Johnson, James DeGregori, Mercedes Rincon

Community Pages

Who Eats Whom? A global food web derived from citizen science

Bradley C. Allf, Aditi Mallavarapu, David W. Kikuchi, Nikhil Vasudeva, Robert R. Dunn

The 100 Diatom Genomes Project

Thomas Mock, Gust Bilcke, Eliott Flaum, Shunan Fu, Lilian Hoch, Kevin Moog, Nadine Rijsdijk, Elizabeth C. Ruck, Ian W. Bishop, Carole Duchene, Reuben Gilbertson, Amanda Hopes, Christopher Johns, Francesco Manfellotto, Wade R. Roberts, Nigel Belshaw, Udita Chandola, Peter Chaerle, Olga Chepurnova, Daan Deleu, Sofie D’hondt, Federica Di Costanzo, Omaya Dudin, Serena Flori, Trupti Gaikwad, Agnes Groisillier, Andrea Hall, Pengyu Ji, Louis J. Lavier-Aydat, William H. Lewis, Samuel Menicot, Eveline Pinseel, Eléonore Pottier, Krisztina Sarkozi, Arianna Smerilli, Jan Strauss, Sander Thierens, Andrew Toseland, Yousef Touhami, Robert Utting, Michiel Van Bel, Cock van Oosterhout, Yue Wu, Feng Yang, Erika Allhusen, John J. Bolton, Chris Bowler, Thorsten Brinkhoff, Anja Poehlein, Tim Brovarone, Nansheng Chen, Greg Clark, Matthew D. Clark, Dario Copetti, Zongmei Cui, Beini Deng, Jianbo Jian, Uwe John, Anne D. Jungblut, JiHeon Kang, Jon Bent Kristoffersen, JunMo Lee, Shuya Liu, David G. Mann, Linda Medlin, Vincent Moulton, Jelena Radojicic, Shinya Sato, Rosa Trobajo, Klara Wolf, Norico Yamada, Naihao Ye, Libin Zhang, Yunyun Zhuang, Gautam Dey, Valeria Di Dato, Katherine Helliwell, Marianne Jaubert, Peter G. Kroth, Marina Montresor, Giovanna Romano, Tatiana A. Rynearson, Jayson Talag, Klaus U. Valentin, Flora Vincent, Ross F. Waller, Glen Wheeler, Andrew J. Alverson, Kerrie Barry, LoriBeth Boston, Angela Falciatore, Maria Immacolata Ferrante, Jie Guo, Jane Grimwood, Richard Hayes, Andrei Herdean, Jerry Jenkins, Min Kim, Wiebe HCF Kooistra, Alan Kuo, Anna Lipzen, Nicole Poulsen, Jeremy Schmutz, Leïla Tirichine, Klaas Vandepoele, Frédéric Verret, Wim Vyverman, Igor V. Grigoriev

Research Articles

Gene flow drives periods of both evolutionary stasis and change in a wild bird population

Simon R. Evans, Henri Bouwmeester, Arie J. van Noordwijk, Marcel E. Visser, Erik Postma

The distribution of fitness effects of nonsynonymous mutations varies phylogenetically across animals

Meixi Lin, Sneha Chakraborty, Carlos Eduardo G. Amorim, Sergio F. Nigenda-Morales, Annabel C. Beichman, Paulina G. Nuñez-Valencia, Jonathan C. Mah, Jacqueline A. Robinson, Christopher C. Kyriazis, Christian D. Huber, Andrew E. Webb, Sarah D. Kocher, Frederick I. Archer, Andrés Moreno-Estrada, Robert K. Wayne, Kirk E. Lohmueller

Coordinated P450–UGT detoxification contributes to furanocoumarin tolerance associated with host plant range divergence in Helicoverpa

Huidong Wang, Yajie Kong, Xinyue Su, Yu Shi, Jianpeng Zhang, Yinjia Wang, Yajuan Xiao, Xing Geng, Jing Song, Yueru Ye, Kairan Zuo, Chris Bass, Shutang Zhou

Outbreaks of fluconazole-resistant Candida parapsilosis are driven by low-biofilm-producing isolates that emerge under host selection

Farnaz Daneshnia, Deepika Gunasekaran, Sean Bergin, Lisa Lombardi, Austin M. Perry, Liuyang Cai, Louise A. Walker, Tibor Nemeth, Süleyha Hilmioglu-Polat, Letal I. Salzberg, Arefeh Ebadati, Tobias Köhler, Gabriel Braune, João N. de Almeida, Giuseppina Caggiano, Julianne V. Kus, Pegah Mosharaf Ghahfarokhy, Julieta Munoz, Daniel J. Floyd, Diego Fuentes-Palacios, Samuel M. Gonçalves, Relber A. Gonçales, Mostafa Salehi, Jigar V. Desai, Agostinho Carvalho, Shenglin Mei, Carol A. Munro, Alex Hopke, Toni Gabaldón, Attila Gacser, Oliver Kurzai, Geraldine Butler, David S. Perlin, Wenjie Fang, Clarissa J. Nobile, Michael K. Mansour, Amir Arastehfar

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Brain structural and functional connectivity converge prenatally but diverge after birth

Ruoke Zhao, Mingyang Li, Yuqi Zhang, Ruike Chen, Chenglin Ning, Zhiyong Zhao, Zhihan Yan, Meihao Wang, Dan Wu

Intrinsic timescale develops hierarchically from sensorimotor to association cortex in youth and stabilizes in adulthood

Golia Shafiei, Joëlle Bagautdinova, Valerie J. Sydnor, Dani S. Bassett, Deanna M. Barch, Matthew Cieslak, Yong Fan, Elizabeth Flook, Alexandre R. Franco, Gregory Kiar, Audrey C. Luo, Michael P. Milham, Linden Parkes, Taylor Salo, Leah H. Somerville, Tien T. Tong, Russell T. Shinohara, Theodore D. Satterthwaite

Impaired midfrontal‑motor theta phase synchronization characterizes maladaptive motivational behavior in people with obsessive‑compulsive disorder

Yu Pang, Dongsheng Zhou, Ziwen Peng, Wanting Liu, Ruojie Huang, Carol A. Seger, Qi Chen

Recurrent synapses between CO2-sensitive olfactory sensory neurons enable robust CO2 detection in Aedes aegypti mosquitoes

Jialu Bao, Wesley Alford, Avinash Khandelwal, Laurel Walsh, George Lantz, Santiago Poncio, Laia Serratosa Capdevila, Yervand Azatian, Brian DePasquale, David G. C. Hildebrand, Meg A. Younger, Wei-Chung Allen Lee

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Growth-rate coordination across the width of a leaf preserves its flatness

Kate Harline, Brendan Lane, Maura J. Zimmermann, Antoine Fruleux, Gabriella Mosca, Sören Strauss, Nik Tavakolian, James W. Satterlee, Chun-Biu Li, Abhyudai Singh, Arezki Boudaoud, Richard S. Smith, Adrienne H. K. Roeder

Whole-organ single-cell mapping defines growth dynamics and clonal organization in developing and adult zebrafish livers

Hsiao-Yuh Roan, Xuejiao Tian, Wei-Chen Chu, Chia-Ming Lee, Hsin Chen, Fiorency Santoso, Chung-Han Wang, Yu-Hsiu Liu, Uday Kumar, He-Yun Hsiao, Chiou-Hwa Yuh, Bi-Chang Chen, Chen-Hui Chen

Regional signaling controls stem cell-mediated regeneration in an invertebrate chordate

Tal Gordon, Tom Levy, Chester Jiamu Yu, Benyamin Rosental, Lauren Lubeck, Lucia Manni, Irving L. Weissman, Ayelet Voskoboynik

Collagen I promotes cancer cell survival via amino acid import and mTORC1/S6 activation

Mona Nazemi, Bian Yanes, Eric Vancauwenberghe, Ifeoluwa Oyelade, Heather Walker, Elena Rainero

The nematode Caenorhabditis elegans has a cationic amphiphilic drug (CAD) defense system

Levon Tokmakjian, Duhyun Han, Kateryna Sihuta, Aanchal Aggarwal, Somayeh Pirhadi, Yao Wang, Andrew R. Burns, Brittany Cooke, Siyue Ren, Marios Gavrielatos, Jiabao Liu, Henry M. Krause, Carolyn L. Cummins, Justin Nodwell, David R. Koes, Peter J. Roy

Hyperglycemic stress aggravates diabetic retinopathy and nephropathy by promoting cilium disassembly via a deacetylation- and methylation-mediated regulatory mechanism

Jie Ran, Changfeng Wei, Yang Yang, Yufei Zhang, Guizhi Guo, Nan Ma, Long Yin, Hongjun Fan, Jingrui Li, Heng Guo, Renshuai Zhang, Runa Wang, Dengwen Li, Min Liu

Atlastin-2-mediated endoplasmic reticulum membrane tethering is critical for flavivirus replication

Jonathan Einterz Owen, Cheyanne Lynn Bemis, Qingyi Wang, Ambarish C. Varadan, Jacob W. Vander Velden, Laura Andačić, Olus Uyar, Mansi Gupta, Christopher D. Scharer, Laurent Chatel-Chaix, Pietro Scaturro, Mehul S. Suthar, Christopher J. Neufeldt

The kinetoplastid-specific transcription factor mtTF1 is essential for mitochondrial gene expression and maxicircle replication in Trypanosoma brucei

Bianca Manuela Berger, Enrico Santini, Himaja Manjunatha, Lea Trost, Markus Gerber, Hauke S. Hillen, Torsten Ochsenreiter

Cyclic tri-adenylate controls a CARF-TM effector in type II Panoptes anti-phage systems

Sabine Grüschow, Peter Wotherspoon, Emma Hilton-Balfe, Shirley Graham, Malcolm F. White

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R1-32-like public antibodies acquire tolerance to SARS-CoV-2 antigenic drift through somatic hypermutation

Chuanying Niu, Xiaohan Huang, Qihong Yan, Banghui Liu, Xijie Gao, Yidong Song, Jingjing Wang, Longyu Wang, Zimu Li, Huiran Zheng, Ping He, Xiaodong Huang, Hang Yuan, Binqian Zou, Yuedong Yang, Fandi Wu, Yicheng Yao, Gul Habib, Xinwen Chen, Ling Chen, Jun He, Jianhua Yao, Jincun Zhao, Xiaoli Xiong

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Chia-Yu Kang, Sahar Heidari, Sabrina Kolb, Minjun An, Melanie D. Ohi, Hedieh Torabifard, Randy B. Stockbridge

Short Reports

Adaptive introgression between two Drosophila species enhances heat tolerance despite barriers to gene flow

Noora Poikela, Rhonda R. Snook, Jonna Kulmuni, Michael G. Ritchie

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L. Christoffer Johansson, Gabriel Norevik, Sonja Friman, Anders Hedenström

No evidence for modulation of the readiness potential by respiratory phase during natural breathing

Lucas Jeay-Bizot, Raniyah Chishti, Uri Maoz, Aaron Schurger

Regeneration programs buffer genetic defects in animal development

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Myelin sheath lengths in the central nervous system scale to axon diameter via oligodendroglial Piezo1

Amanda R. Young, Ashley Galfano, Jacob Reyngoudt, Ryan W. Lewis, Martha Cash, Beckam Polis, Myah Zalusky, Avipsha Datta, Marie E. Bechler

MucD regulates alginate biosynthesis through the proteolytic control of AlgX and AlgK in Pseudomonas aeruginosa

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Methods and Resources

A developmental single-cell atlas of the Drosophila visual system glia reveals cell type diversification and subcellular mRNA compartmentalization

Amanda A. G. Ferreira, Sergio Córdoba, Raghuvanshi Rajesh, Ben Jiwon Choi, Claude Desplan

SpaMOAL is a deep learning method that enables accurate spatial domain identification from multi-omics data

Jinxia Wang, Yuying Huo, Rui Zhao, Yan Pan, Jianqiang Wu, Han Wang, Xiangyu Li

AlloPool is a deep learning framework that infers protein allostery from molecular dynamics simulations

Matthieu Marfoglia, Miguel A. Pedraza-Joya, Lucas Guirardel, Aisima Chatzi Souleiman, Patrick Barth

Meta-Research Article

Discovery Stack Pilot demonstrates the feasibility and outcomes of a scientist-designed peer-review model that separates quality and impact

Maureen A. McGargill, Beiyun C. Liu, Michael S. Kuhns, Daniel Mucida, Isabella Rauch, Lauren B. Rodda, Meghan A. Koch, Hugo Gonzalez Velozo, Ken Cadwell, Tanya S. Freedman, Tiffany C. Scharschmidt, Richard Sever, Jose Ordovas-Montanes, Sara Suliman, Andrew Oberst, Brooke Runnette, Matthew F. Krummel

Update Article

An engineered bacterial symbiont maps micron-scale sugar gradients in the honeybee gut

Audam Chhun, Andrew Quinn, Alicia I. Pérez-Lorente, Théodora Steiner, Florian Zoppi, Thi Huong Giang Nguyen, Philipp Engel, Yolanda Schaerli

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