Post List

  • April 1, 2015
  • 06:36 PM

Drifting towards spintronic polarimeters

by Bryn Howells in Spin and Tonic

In electronics, a drift current is one where the motion of charge carriers is dictated by an applied electric field. In contrast, a diffusive current...
The post Drifting towards spintronic polarimeters appeared first on Spin and Tonic.
... Read more »

Nádvorník, L., Haigh, J., Olejník, K., Irvine, A., Novák, V., Jungwirth, T., & Wunderlich, J. (2015) Efficient conversion of light to charge and spin in Hall-bar microdevices. Physical Review B, 91(12). DOI: 10.1103/PhysRevB.91.125205  

  • April 1, 2015
  • 03:14 PM

Sleep may be critical to avoid miscarriage

by Dr. Jekyll in Lunatic Laboratories

If you are trying to have a baby, a good night’s sleep is more important than ever. A recently published research report shows that the womb has its own “body clock” that needs to synchronize with the mother’s body clock to ensure optimal conditions for fetal growth and development. The inability of a mother’s body clock to synchronize with the womb’s clock may be at least part of the reason why some women have difficulty carrying a pregnancy to full term.... Read more »

  • April 1, 2015
  • 11:20 AM

Fatherhood and the Biology of Infant Care Behavior

by William Yates, M.D. in Brain Posts

Early positive parental-infant attachment provides a key developmental advantage.The maternal-infant dyad has received the most research attention. However, fathers also can play an important role in infant development. An increasing number of studies focus on the biology of fatherhood and infant care behavior.Ilanit Gordon along with colleagues in Israel and the United States examined the role of two central neuropeptides in paternal behavior during the first six months of infancy.In their stud........ Read more »

  • April 1, 2015
  • 09:39 AM

Video Tip of the Week: The New OpenHelix Interface

by Mary in OpenHelix

Generally we like to highlight new features and new tools from bioinformatics software providers. But this week we wanted to introduce some new features of our own OpenHelix site. If you’ve been using the site for a while, you will have noticed that recently we rolled out some changes. All the same tutorial materials and […]... Read more »

Williams J. M., M. E. Mangan, C. Perreault-Micale, S. Lathe, N. Sirohi, & W. C. Lathe. (2010) OpenHelix: bioinformatics education outside of a different box. Briefings in Bioinformatics, 11(6), 598-609. DOI:  

  • April 1, 2015
  • 08:20 AM

Eyes on Environment post: cultural and environmental impact of big solar

by Jonathan Trinastic in Goodnight Earth

Megawatt solar plants are popping up in the Mojave Desert - but what are their environmental and cultural consequences?... Read more »

  • April 1, 2015
  • 08:00 AM

The Bird Jaws Of Life

by Mark Lasbury in As Many Exceptions As Rules

Do birds have teeth? No, but they did once, and sometimes a throwback mutation can create a chick with a full set of chompers. That’s weird, but bird mouths get weirder. Birds can open their upper jaw, not just their lower. And some birds take being weird even farther. The crossbill has a mouth where the upper and lower beaks scissor past one another while the wrybill has a beak that always turns right. ... Read more »

Meredith, R., Zhang, G., Gilbert, M., Jarvis, E., & Springer, M. (2014) Evidence for a single loss of mineralized teeth in the common avian ancestor. Science, 346(6215), 1254390-1254390. DOI: 10.1126/science.1254390  

Smith, J., Sjoberg, S., Mueller, M., & Benkman, C. (2012) Assortative flocking in crossbills and implications for ecological speciation. Proceedings of the Royal Society B: Biological Sciences, 279(1745), 4223-4229. DOI: 10.1098/rspb.2012.1500  

Benkman, C., Parchman, T., & Mezquida, E. (2010) Patterns of coevolution in the adaptive radiation of crossbills. Annals of the New York Academy of Sciences, 1206(1), 1-16. DOI: 10.1111/j.1749-6632.2010.05702.x  

SNOWBERG, L., & BENKMAN, C. (2009) Mate choice based on a key ecological performance trait. Journal of Evolutionary Biology, 22(4), 762-769. DOI: 10.1111/j.1420-9101.2009.01699.x  

  • April 1, 2015
  • 05:52 AM

Blocking Serotonin Could Cure Obesity

by Agnese Mariotti in United Academics

Blocking serotonin boosts the metabolism, inhibits fat storage and wards off obesity.... Read more »

  • April 1, 2015
  • 05:37 AM

Gulf War agents and delayed onset of symptoms in mice

by Paul Whiteley in Questioning Answers

I was recently intrigued by the findings reported by Zuchra Zakirova and colleagues [1] (open-access) on what happened to mice following 'acute' exposure to pyridostigmine bromide (PB) and the pesticide permethrin (PER) in the context of these compounds being "key contributors to the etiology of GWI [Gulf War Illness] post deployment to the Persian GW [Gulf War]."I've covered the topic of Gulf War Syndrome (GWS) before on this blog (see here) and how, foll........ Read more »

  • April 1, 2015
  • 12:05 AM

Predicting Elbow Injuries in Youth Baseball with a Preseason Checklist

by Bailey Shiller and Adam Rosen in Sports Medicine Research (SMR): In the Lab & In the Field

Using a preseason checklist with Little League Baseball Players may help to determine which young athletes are at risk of developing elbow injuries.... Read more »

  • March 31, 2015
  • 11:45 PM

Operationalizing the local environment for replicator dynamics

by Artem Kaznatcheev in Evolutionary Games Group

Recently, Jake Taylor-King arrived in Tampa and last week we were brainstorming some projects to work on together. In the process, I dug up an old idea I’ve been playing with as my understanding of the Ohtsuki-Nowak transform matured. The basic goal is to work towards an operational account of spatial structure without having to […]... Read more »

Ohtsuki, H., & Nowak, M. (2006) The replicator equation on graphs. Journal of Theoretical Biology, 243(1), 86-97. DOI: 10.1016/j.jtbi.2006.06.004  

  • March 31, 2015
  • 08:55 PM

More Dialysis Patients Becoming Pregnant

by Marie Benz in Medical Research Interviews and News Interview with: Dr. Mala Sachdeva MD North Shore University Hospital, Long Island Jewish Medical Center Assistant Professor, Nephrology, Internal Medicine Hofstra North Shore-LIJ School of Medicine Medical Research: What is the background for this study? Dr. Sachdeva: The last … Continue reading →
The post More Dialysis Patients Becoming Pregnant appeared first on Medical Research Intervi........ Read more » Interview with:, & Dr. Mala Sachdeva MD. (2015) More Dialysis Patients Becoming Pregnant. info:/

  • March 31, 2015
  • 08:26 PM

Raw Milk Link To Higher Risk of Foodborne Illnesses

by Marie Benz in Medical Research Interviews and News Interview with: Benjamin Davis BA CLF-Lerner Fellow at the Johns Hopkins Center for a Livable Future. Medical Research: What is the background for this study? What are the main findings? Response: The Food and Drug Administration banned the inter-state … Continue reading →
The post Raw Milk Link To Higher Risk of Foodborne Illnesses appeared first on Medical Research Interviews and News.
........ Read more » Interview with:, & Benjamin Davis BA. (2015) Raw Milk Link To Higher Risk of Foodborne Illnesses. info:/

  • March 31, 2015
  • 06:02 PM

Possible New Chemotherapy Regimen For Triple-Negative Breast Cancer

by Marie Benz in Medical Research Interviews and News Interview with: Prof Xi-Chun Hu, Department of Oncology Shanghai Medical College Fudan University, Shanghai 200032, China MedicalResearch: What is the background for this study? What are the main findings? Prof. Hu: Triple-negative breast cancer (TNBC) is associated with higher … Continue reading →
The post Possible New Chemotherapy Regimen For Triple-Negative Breast Cancer appeared first on MedicalResearch......... Read more » Interview with:, & Prof Xi-Chun Hu, Department of Oncology. (2015) Possible New Chemotherapy Regimen For Triple-Negative Breast Cancer. info:/

  • March 31, 2015
  • 04:58 PM

An apple a day may keep the children away: Pesticides and sperm count

by Dr. Jekyll in Lunatic Laboratories

Ever hear that old saying an apple a day keeps the Doctor away? Well it might have the right idea, just the wrong person. New research investigating the relationship between eating fruit and vegetables containing pesticide residues and the quality of men’s semen has shown a link with lower sperm counts and percentages of normally-formed sperm. So for people wanting children it may be time to rethink that produce.... Read more »

Y.H. Chiu et al. (2015) Fruit and vegetable intake and their pesticide residues in relation to semen quality among men from a fertility clinic. Human Reproduction. info:/10.1093/humrep/dev064

Hagai Levine, & Shanna H. Swan. (2015) Is dietary pesticide exposure related to semen quality? Positive evidence from men attending a fertility clinic. Human Reproduction. info:/10.1093/humrep/dev065

  • March 31, 2015
  • 04:23 PM

Ovulation changes women’s desire for variety in products

by Dr. Jekyll in Lunatic Laboratories

We know that hormones affect who we are, even when we aren’t aware of it. In the past scientists have found that people who are hungry tend to buy more things, no surprise for those of us who have shopped hungry. However, new research shows that women seek a greater variety of products and services, specifically when they are ovulating.... Read more »

  • March 31, 2015
  • 04:19 PM

Viruses and the Nucleolus: Coronavirus N, Cytokinesis and Autophagy

by thelonevirologist in Virology Tidbits

The nucleolus is a subnuclear structure not surrounded by a membrane, which is disassembled during mitosis and reformed during late telophase via the interaction of nucleolar proteins with loci of ribosomal DNA. At this point, the inhibition of CDK1 leads to the resumption of RNA Polymerase I (RNA Pol I) dependent transcription of rDNA, resulting in the expression of the pre-rRNA (18S, 5.8S, and 28S, with internal and external transcribed spacers) and the recruitment of the processing machinery,........ Read more »

Olson MO, Hingorani K, & Szebeni A. (2002) Conventional and nonconventional roles of the nucleolus. International review of cytology, 199-266. PMID: 12211630  

Leung, A., & Lamond, A. (2003) The Dynamics of the Nucleolus. Critical Reviews in Eukaryotic Gene Expression, 13(1), 39-54. DOI: 10.1615/CritRevEukaryotGeneExpr.v13.i1.40  

Shaw P, & Brown J. (2012) Nucleoli: composition, function, and dynamics. Plant physiology, 158(1), 44-51. PMID: 22082506  

Salvetti A, & Greco A. (2014) Viruses and the nucleolus: the fatal attraction. Biochimica et biophysica acta, 1842(6), 840-7. PMID: 24378568  

Hiscox JA. (2007) RNA viruses: hijacking the dynamic nucleolus. Nature reviews. Microbiology, 5(2), 119-27. PMID: 17224921  

Lochmann TL, Bann DV, Ryan EP, Beyer AR, Mao A, Cochrane A, & Parent LJ. (2013) NC-mediated nucleolar localization of retroviral gag proteins. Virus research, 171(2), 304-18. PMID: 23036987  

Haupt S, Stroganova T, Ryabov E, Kim SH, Fraser G, Duncan G, Mayo MA, Barker H, & Taliansky M. (2005) Nucleolar localization of potato leafroll virus capsid proteins. The Journal of general virology, 86(Pt 10), 2891-6. PMID: 16186245  

González I, Martínez L, Rakitina DV, Lewsey MG, Atencio FA, Llave C, Kalinina NO, Carr JP, Palukaitis P, & Canto T. (2010) Cucumber mosaic virus 2b protein subcellular targets and interactions: their significance to RNA silencing suppressor activity. Molecular plant-microbe interactions : MPMI, 23(3), 294-303. PMID: 20121451  

Boyne JR, & Whitehouse A. (2006) Nucleolar trafficking is essential for nuclear export of intronless herpesvirus mRNA. Proceedings of the National Academy of Sciences of the United States of America, 103(41), 15190-5. PMID: 17005724  

Callé A, Ugrinova I, Epstein AL, Bouvet P, Diaz JJ, & Greco A. (2008) Nucleolin is required for an efficient herpes simplex virus type 1 infection. Journal of virology, 82(10), 4762-73. PMID: 18321972  

Hiscox JA, Wurm T, Wilson L, Britton P, Cavanagh D, & Brooks G. (2001) The coronavirus infectious bronchitis virus nucleoprotein localizes to the nucleolus. Journal of virology, 75(1), 506-12. PMID: 11119619  

Kim JS, Ro SH, Kim M, Park HW, Semple IA, Park H, Cho US, Wang W, Guan KL, Karin M.... (2015) Sestrin2 inhibits mTORC1 through modulation of GATOR complexes. Scientific reports, 9502. PMID: 25819761  

Belaid A, Cerezo M, Chargui A, Corcelle-Termeau E, Pedeutour F, Giuliano S, Ilie M, Rubera I, Tauc M, Barale S.... (2013) Autophagy plays a critical role in the degradation of active RHOA, the control of cell cytokinesis, and genomic stability. Cancer research, 73(14), 4311-22. PMID: 23704209  

Zhang H, Shi X, Paddon H, Hampong M, Dai W, & Pelech S. (2004) B23/nucleophosmin serine 4 phosphorylation mediates mitotic functions of polo-like kinase 1. The Journal of biological chemistry, 279(34), 35726-34. PMID: 15190079  

Zhu Y, Zhao L, Liu L, Gao P, Tian W, Wang X, Jin H, Xu H, & Chen Q. (2010) Beclin 1 cleavage by caspase-3 inactivates autophagy and promotes apoptosis. Protein , 1(5), 468-77. PMID: 21203962  

  • March 31, 2015
  • 11:01 AM

Moths Fondly Remember Plant Species Where They Lost Their Virginity

by Elizabeth Preston in Inkfish

Think real estate decisions are hard for humans? Imagine if the house you lived in were also your singles bar, your babies' nursery, and your shelter from large animals trying to eat you. And, while you were growing up, your food source, as you nibbled away its floors and shingles.

Moths face all these pressures each time they settle down on a plant. That may be why at least one type of moth uses pleasant associations to help with its choices. The plant species where an individual loses........ Read more »

  • March 31, 2015
  • 08:00 AM

Shields Up! Lay In A Course For Mars

by Mark E. Lasbury in The 'Scope

Deflector shields allowed Star Trek and other sci-fi franchises to have long space battles. Without them, one good strike and everyone was dead – that wouldn’t lend itself to sequels.

We don’t need shields for space battles yet, but we do need them to get to Mars. Cosmic radiation will kill or injure every astronaut unless we can deflect the radiation away from the spacecraft. We’re just about to build real deflectors, and our teachers are the magnetic fields we find ........ Read more »

  • March 31, 2015
  • 07:24 AM

Pesticides In Fruits and Vegetables May Lower Sperm Count In Men

by Marie Benz in Medical Research Interviews and News Interview with: Jorge E. Chavarro, M.D., Sc.D. Assistant Professor of Nutrition and Epidemiology Harvard T.H. Chan School of Public Health Assistant Professor of Medicine Harvard Medical School Boston, MA 02113 Medical Research: What is the background for this study? … Continue reading →
The post Pesticides In Fruits and Vegetables May Lower Sperm Count In Men appeared first on Medical Re........ Read more » Interview with:, & Jorge E. Chavarro, M.D., Sc.D. (2015) Pesticides In Fruits and Vegetables May Lower Sperm Counts. info:/

  • March 31, 2015
  • 07:00 AM

It’s Time To Stop Blaming the Moon For Hospital Admissions or Births

by Marie Benz in Medical Research Interviews and News Interview with: Dr. Jean-Luc Margot PhD Professor, Department of Earth, Planetary, and Space Sciences and Department of Physics and Astronomy, University of California, Los Angeles Medical Research: What is the background for this study? What are the main findings? … Continue reading →
The post It’s Time To Stop Blaming the Moon For Hospital Admissions or Births appeared first on Me........ Read more » Interview with:, & Dr. Jean-Luc Margot PhD. (2015) It's Time To Stop Blaming the Moon For Hospital Admissions or Births. info:/

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