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December 2013

Amyloid-like inclusions have been associated with Huntington's disease, and patients exhibit a high incidence of cardiovascular events. In this issue, Melkani and colleagues generated a Drosophila (fruit fly) model of cardiac amyloidosis. It displays accumulation of mutant Huntingtin aggregates and oxidative stress in myocardial cells upon heart-specific expression of Huntingtin protein fragments with disease-causing poly-glutamine repeats. Using genetic manipulation, the authors showed that modulation of both protein unfolding, and oxidative stress pathways, is required to ameliorate the detrimental mutant Huntingtin defects. The image shows reduced and disorganized myosin- (pink) and actin- (cyan) containing myofibrils along with mutant Huntingtin positive aggregates (green) in the heart. See Melkani et al.

Image Credit: Girish C. Melkani and colleagues

Perspectives

Review

Cohesinopathies of a Feather Flock Together

Robert V. Skibbens, Jennifer M. Colquhoun, Megan J. Green, Cody A. Molnar, Danielle N. Sin, Brian J. Sullivan, Eden E. Tanzosh

Research Articles

CRIS—A Novel cAMP-Binding Protein Controlling Spermiogenesis and the Development of Flagellar Bending

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Positive and Negative Regulation of Gli Activity by Kif7 in the Zebrafish Embryo

Ashish Kumar Maurya, Jin Ben, Zhonghua Zhao, Raymond Teck Ho Lee, Weixin Niah, Ashley Shu Mei Ng, Audrey Iyu, Weimiao Yu, Stone Elworthy, Fredericus J. M. van Eeden, Philip William Ingham

Selection on Plant Male Function Genes Identifies Candidates for Reproductive Isolation of Yellow Monkeyflowers

Jan E. Aagaard, Renee D. George, Lila Fishman, Michael J. MacCoss, Willie J. Swanson

Contributions of Protein-Coding and Regulatory Change to Adaptive Molecular Evolution in Murid Rodents

Daniel L. Halligan, Athanasios Kousathanas, Rob W. Ness, Bettina Harr, Lél Eöry, Thomas M. Keane, David J. Adams, Peter D. Keightley

Dual Regulation of the Mitotic Exit Network (MEN) by PP2A-Cdc55 Phosphatase

Barbara Baro, Jose-Antonio Rodriguez-Rodriguez, Ines Calabria, María Luisa Hernáez, Concha Gil, Ethel Queralt

Identification of Sphingolipid Metabolites That Induce Obesity via Misregulation of Appetite, Caloric Intake and Fat Storage in Drosophila

Stanley M. Walls Jr, Steve J. Attle, Gregory B. Brulte, Marlena L. Walls, Kim D. Finley, Dale A. Chatfield, Deron R. Herr, Greg L. Harris

Genomic Imprinting in the Arabidopsis Embryo Is Partly Regulated by PRC2

Michael T. Raissig, Marian Bemer, Célia Baroux, Ueli Grossniklaus

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A Novel Intergenic ETnII-β Insertion Mutation Causes Multiple Malformations in Polypodia Mice

Jessica A. Lehoczky, Peedikayil E. Thomas, Kevin M. Patrie, Kailey M. Owens, Lisa M. Villarreal, Kenneth Galbraith, Joe Washburn, Craig N. Johnson, Bryant Gavino, Alexander D. Borowsky, Kathleen J. Millen, Paul Wakenight, William Law, Margaret L. Van Keuren, Galina Gavrilina, Elizabeth D. Hughes, Thomas L. Saunders, Lesil Brihn, Joseph H. Nadeau, Jeffrey W. Innis

Parathyroid-Specific Deletion of Klotho Unravels a Novel Calcineurin-Dependent FGF23 Signaling Pathway That Regulates PTH Secretion

Hannes Olauson, Karolina Lindberg, Risul Amin, Tadatoshi Sato, Ting Jia, Regina Goetz, Moosa Mohammadi, Göran Andersson, Beate Lanske, Tobias E. Larsson

Dual Regulation of Gene Expression Mediated by Extended MAPK Activation and Salicylic Acid Contributes to Robust Innate Immunity in Arabidopsis thaliana

Kenichi Tsuda, Akira Mine, Gerit Bethke, Daisuke Igarashi, Christopher J. Botanga, Yayoi Tsuda, Jane Glazebrook, Masanao Sato, Fumiaki Katagiri

Alcohol-Induced Histone Acetylation Reveals a Gene Network Involved in Alcohol Tolerance

Alfredo Ghezzi, Harish R. Krishnan, Linda Lew, Francisco J. Prado III, Darryl S. Ong, Nigel S. Atkinson

Somatic mtDNA Mutation Spectra in the Aging Human Putamen

Siôn L. Williams, Deborah C. Mash, Stephan Züchner, Carlos T. Moraes

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Expanding the Marine Virosphere Using Metagenomics

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Role of Tomato Lipoxygenase D in Wound-Induced Jasmonate Biosynthesis and Plant Immunity to Insect Herbivores

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Huntington's Disease Induced Cardiac Amyloidosis Is Reversed by Modulating Protein Folding and Oxidative Stress Pathways in the Drosophila Heart

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