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Materials: Probing polarization puzzles | Developmental biology: Helping cultured stem cells get back to nature |  | | |  | | | | | Weekly Content Alert
|  | | 26 March 2014 |  | | Featured image: |  |  |  | | Cai et al. describe mutant rice varieties with altered spikelet structure as a result of defects in the jasmonic acid signalling pathway. | | | | | |  | Advertisement |  |  The Structural Genomics Consortium (SGC), Natureconferences, and the São Paulo Research Foundation are pleased to present: Chemical Probe-based Open Science: Uncovering New Human and Plant Biology April 28-29, 2014 Faculdade de Ciências Médicas, State University of Campinas (UNICAMP), Brazil Click here for more information or to register for this conference today! | | | |  | | | | | Latest Articles | View all Articles | | | | | Cancer-associated fibroblasts regulate the plasticity of lung cancer stemness via paracrine signalling |  | | Wan-Jiun Chen, Chao-Chi Ho, Yih-Leong Chang, Hsuan-Yu Chen, Chih-An Lin, Thai-Yen Ling, Sung-Liang Yu, Shin-Sheng Yuan, Yu-Ju Louisa Chen, Chien-Yu Lin, Szu-Hua Pan, Han-Yi Elizabeth Chou, Yu-Ju Chen, Gee-Chen Chang, Wen-Cheng Chu, Yee-Ming Lee, Jen-Yi Lee, Pei-Jung Lee, Ker-Chau Li, Huei-Wen Chen et al. |  | | Cancer stem cells are a sub-population of tumour cells but how they interact with the tumour microenvironment is unclear. Here, Chen et al. culture lung cancer stem cells with cancer-associated fibroblasts and delineate a signalling pathway between the two cells that helps maintain the cancer stem cell state. |  | | 25 March 2014 | doi: 10.1038/ncomms4472 |  | | Biological Sciences Cancer | 



| Dido3-dependent HDAC6 targeting controls cilium size OPEN |  | | Ainhoa Sánchez de Diego, Astrid Alonso Guerrero, Carlos Martínez-A and Karel H. M. van Wely |  | | Although factors regulating the assembly and disassembly of primary cilia have been identified, mechanisms controlling the steady-state length of the cilium remain poorly understood. Here, the authors show that Dido3 regulates cilium length by mediating the actin-dependent delivery of HDAC6 to the basal body. |  | | 25 March 2014 | doi: 10.1038/ncomms4500 |  | | Biological Sciences Cell biology | 



| Discriminating cellular heterogeneity using microwell-based RNA cytometry |  | | Ivan K. Dimov, Rong Lu, Eric P. Lee, Jun Seita, Debashis Sahoo, Seung-min Park, Irving L. Weissman and Luke P. Lee |  | | Haematopoietic stem cell populations contain subgroups with distinct gene expression signatures and functional properties. Here, the authors present a method to uncover such subpopulations, based on flow cytometry to sort single cells into a microwell array followed by RNA expression measurements and statistical analyses. |  | | 25 March 2014 | doi: 10.1038/ncomms4451 |  | | Biological Sciences Developmental biology | 




| Evolution of separate predation- and defence-evoked venoms in carnivorous cone snails |  | | Sébastien Dutertre, Ai-Hua Jin, Irina Vetter, Brett Hamilton, Kartik Sunagar, Vincent Lavergne, Valentin Dutertre, Bryan G. Fry, Agostinho Antunes, Deon J. Venter, Paul F. Alewood and Richard J. Lewis |  | | Marine cone snails use venom for defence and predation. Here, Dutertre et al. show that cone snails produce structurally and functionally distinct venoms for each purpose and that defence toxins are potent on fish and mammalian targets, suggesting that they have evolved specifically for protection. |  | | 24 March 2014 | doi: 10.1038/ncomms4521 |  | | Biological Sciences Evolution Zoology | 


| Hydride ions in oxide hosts hidden by hydroxide ions OPEN |  | | Katsuro Hayashi, Peter V. Sushko, Yasuhiro Hashimoto, Alexander L. Shluger and Hideo Hosono |  | | The oxidation state of hydride ions in oxide hosts is a matter of debate. Here, the authors address this question with a range of techniques and suggest that the electron density near an incorporated hydride ion is less than that at the hydrogen in a hydroxide ion, contrary to formal valence arguments. |  | | 24 March 2014 | doi: 10.1038/ncomms4515 |  | | Chemical Sciences Analytical chemistry Materials science | 
| The structure and substrate specificity of human Cdk12/Cyclin K OPEN |  | | Christian A. Bösken, Lucas Farnung, Corinna Hintermair, Miriam Merzel Schachter, Karin Vogel-Bachmayr, Dalibor Blazek, Kanchan Anand, Robert P. Fisher, Dirk Eick and Matthias Geyer |  | | Cyclin-dependent kinase 12 (Cdk12) phosphorylates the C-terminal domain (CTD) of RNA polymerase II to regulate transcription. Here, the authors solve the crystal structure of the Cdk12 kinase domain and show that Cdk12 has its highest activity on a CTD substrate that carries a serine 7 phosphorylation. |  | | 24 March 2014 | doi: 10.1038/ncomms4505 |  | | Biological Sciences Biochemistry Molecular biology | 

| Detection of graphene domains and defects using liquid crystals |  | | Jong-Ho Son, Seung-Jae Baeck, Min-Ho Park, Jae-Bok Lee, Cheol-Woong Yang, Jang-Kun Song, Wang-Cheol Zin and Jong-Hyun Ahn |  | | Determining graphene domain size and distribution is important for realizing functional electronic devices. Here, the authors use liquid crystals to study graphene surfaces, via the liquid crystal molecules aligning with the domains, and use nematic to smectic transitions to study defects. |  | | 24 March 2014 | doi: 10.1038/ncomms4484 |  | | Physical Sciences Materials science | 

| 60S ribosome biogenesis requires rotation of the 5S ribonucleoprotein particle |  | | Christoph Leidig, Matthias Thoms, Iris Holdermann, Bettina Bradatsch, Otto Berninghausen, Gert Bange, Irmgard Sinning, Ed Hurt and Roland Beckmann |  | | Our understanding of ribosome biogenesis is limited by a lack of structural knowledge of assembly intermediates. Here, Leidig et al. report a high-resolution cryo-EM structure of a pre-60S particle that suggests that substantial rearrangements of the 5S RNP are required during ribosome maturation. |  | | 24 March 2014 | doi: 10.1038/ncomms4491 |  | | Biological Sciences Molecular biology | 

| Mutations in epigenetic regulators including SETD2 are gained during relapse in paediatric acute lymphoblastic leukaemia |  | | Brenton G. Mar, Lars B. Bullinger, Kathleen M. McLean, Peter V. Grauman, Marian H. Harris, Kristen Stevenson, Donna S. Neuberg, Amit U. Sinha, Stephen E. Sallan, Lewis B. Silverman, Andrew L. Kung, Luca Lo Nigro, Benjamin L. Ebert and Scott A. Armstrong |  | | Epigenetic regulators have been proposed to be modulators of chemoresistance in acute lymphoblastic leukaemia. Here, the authors find enrichment of mutations in epigenetic regulators at relapse, including somatic mutations in SETD2. |  | | 24 March 2014 | doi: 10.1038/ncomms4469 |  | | Biological Sciences Cancer | 
| Synchronous precessional motion of multiple domain walls in a ferromagnetic nanowire by perpendicular field pulses OPEN |  | | June-Seo Kim, Mohamad-Assaad Mawass, André Bisig, Benjamin Krüger, Robert M. Reeve, Tomek Schulz, Felix Büttner, Jungbum Yoon, Chun-Yeol You, Markus Weigand, Hermann Stoll, Gisela Schütz, Henk J. M. Swagten, Bert Koopmans, Stefan Eisebitt and Mathias Kläui |  | | Magnetic domain walls could form the basis for information technology with high storage density, but require comparatively high current densities to be moved by spin torque. Here, the authors demonstrate a radically different approach with perpendicular magnetic field pulses moving domain walls synchronously. |  | | 24 March 2014 | doi: 10.1038/ncomms4429 |  | Physical Sciences Applied physics Condensed matter
Nanotechnology | 
| Ammonia as a case study for the spontaneous ionization of a simple hydrogen-bonded compound |  | | Taras Palasyuk, Ivan Troyan, Mikhail Eremets, Vadym Drozd, Sergey Medvedev, Patryk Zaleski–Ejgierd, Ewelina Magos–Palasyuk, Hongbo Wang, Stanimir A. Bonev, Dmytro Dudenko and Pavel Naumov |  | | Ionization of highly compressed ammonia has previously been predicted by computation. Here, the authors provide experimental evidence for this autoionization process at high pressures, showing the transformation of molecular ammonia into ammonium amide. |  | | 24 March 2014 | doi: 10.1038/ncomms4460 |  | | Chemical Sciences Condensed matter Physical chemistry | 



| The single-channel regime of transport through random media OPEN |  | | A. Peña, A. Girschik, F. Libisch, S. Rotter and A. A. Chabanov |  | | Understanding and controlling the transport of light through random media is important for many applications. Here, Peña et al. demonstrate how in the deeply localized regime transport is mediated by a single transmission channel composed of a localized internal mode or a necklace state. |  | | 24 March 2014 | doi: 10.1038/ncomms4488 |  | | Physical Sciences Optical physics | 

| Ancient diversification of Hyposmocoma moths in Hawaii |  | | William P. Haines, Patrick Schmitz and Daniel Rubinoff |  | | Hyposmocoma is a diverse lineage of moths that occur across the entire Hawaiian Archipelago. Here, Haines et al. show that Hyposmocoma is about 15 million years old, much older than the most recent islands, and that these moths have dispersed from remote Northwestern islands in many independent events. |  | | 20 March 2014 | doi: 10.1038/ncomms4502 |  | | Biological Sciences Evolution | 
| Synthetic optical holography for rapid nanoimaging OPEN |  | | M. Schnell, P. S. Carney and R. Hillenbrand |  | | Holography provides amplitude and phase information when imaging objects, which enables greater understanding of a range of samples. Here, the authors adapt holography to scanning near-field optical microscopy, providing rapid phase-resolved imaging on the nanoscale at visible and infrared frequencies. |  | | 20 March 2014 | doi: 10.1038/ncomms4499 |  | | Physical Sciences Applied physics Optical physics | 


| Selective inhibition of BET bromodomain epigenetic signalling interferes with the bone-associated tumour vicious cycle |  | | François Lamoureux, Marc Baud'huin, Lidia Rodriguez Calleja, Camille Jacques, Martine Berreur, Françoise Rédini, Fernando Lecanda, James E. Bradner, Dominique Heymann and Benjamin Ory |  | | A major problem in the treatment of bone tumours and metastases is the vicious cycle between bone tumours and resorption. Here, the authors show that treatment with the BET bromodomain inhibitor JQ1 inhibits osteoblast and osteoclast differentiation, and bone tumour development. |  | | 19 March 2014 | doi: 10.1038/ncomms4511 |  | | Biological Sciences Cancer Medical research | 
| Endotrophin triggers adipose tissue fibrosis and metabolic dysfunction |  | | Kai Sun, Jiyoung Park, Olga T. Gupta, William L. Holland, Pernille Auerbach, Ningyan Zhang, Roberta Goncalves Marangoni, Sarah M. Nicoloro, Michael P. Czech, John Varga, Thorkil Ploug, Zhiqiang An and Philipp E. Scherer |  | | The adipokine endotrophin promotes tumour inflammation and angiogenesis, but its effects on adipose tissue are unclear. Here, Sun et al. show that endotrophin promotes adipose tissue inflammation and fibrosis, and that injections of an anti-endotrophin antibody improve metabolic parameters of mice on a high-fat diet. |  | | 19 March 2014 | doi: 10.1038/ncomms4485 |  | | Biological Sciences Medical research | 
| Jasmonic acid regulates spikelet development in rice |  | | Qiang Cai, Zheng Yuan, Mingjiao Chen, Changsong Yin, Zhijing Luo, Xiangxiang Zhao, Wanqi Liang, Jianping Hu and Dabing Zhang |  | | The rice spikelet is important for seed development and yield. In this study, Cai et al. report that the plant hormone jasmonic acid can control spikelet development and potentially regulate cereal yield. |  | | 19 March 2014 | doi: 10.1038/ncomms4476 |  | | Biological Sciences Plant sciences | 
| Disrupting MLC1 and GlialCAM and ClC-2 interactions in leukodystrophy entails glial chloride channel dysfunction |  | | Maja B. Hoegg-Beiler, Sònia Sirisi, Ian J. Orozco, Isidre Ferrer, Svea Hohensee, Muriel Auberson, Kathrin Gödde, Clara Vilches, Miguel López de Heredia, Virginia Nunes, Raúl Estévez and Thomas J. Jentsch |  | | Defects in the cell adhesion molecule GlialCAM, the membrane protein MLC1 and the chloride channel ClC-2 are implicated in leukodystrophy. Here, Hoegg-Beiler et al. show that these proteins form a functional complex to maintain homoeostatic chloride ion transport supporting normal glial function in mice. |  | | 19 March 2014 | doi: 10.1038/ncomms4475 |  | | Biological Sciences Neuroscience | 


| Practice and sleep form different aspects of skill |  | | Sunbin Song and Leonardo G. Cohen |  | | Sleep is implicated in consolidating procedural skills. Here, Song and Cohen train subjects on a repeating sequence of key-presses and show that practice contributes to transitional information-based aspects of skill whereas sleep contributes to ordinal information-based aspects of skill. |  | | 19 March 2014 | doi: 10.1038/ncomms4407 |  | | Biological Sciences Neuroscience | | | | | |  | | | | | Latest Erratum | | | | | | Erratum: A statin-loaded reconstituted high-density lipoprotein nanoparticle inhibits atherosclerotic plaque inflammation |  | | Raphaël Duivenvoorden, Jun Tang, David P. Cormode, Aneta J. Mieszawska, David Izquierdo-Garcia, Canturk Ozcan, Maarten J. Otten, Neeha Zaidi, Mark E. Lobatto, Sarian M. van Rijs, Bram Priem, Emma L. Kuan, Catherine Martel, Bernd Hewing, Hendrik Sager, Matthias Nahrendorf, Gwendalyn J. Randolph, Erik S. G. Stroes, Valentin Fuster, Edward A. Fisher et al. |  | | 19 March 2014 | doi: 10.1038/ncomms4531 |  | | Biological Sciences Medical research | | |  | | |  | | |  |  |  |  |  |  | Natureevents is a fully searchable, multi-disciplinary database designed to maximise exposure for events organisers. The contents of the Natureevents Directory are now live. The digital version is available here.
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