Fall is in the air. Here in North Carolina that means drastic temperature swings that cause me to dress incorrectly on any given day. It also means the arrival of fall colors. Indeed, fall colors are incredibly beautiful, but biologically speaking, you are watching death happen. This autumn splendor got me to thinking about these colors a little closer, specifically the phenology of trees.Phenology is the study of the annual timing of recurring life cycle events. The timing of these events is t........ Read more »
Fu, Y., Campioli, M., Vitasse, Y., De Boeck, H., Van den Berge, J., AbdElgawad, H., Asard, H., Piao, S., Deckmyn, G., & Janssens, I. (2014) Variation in leaf flushing date influences autumnal senescence and next year's flushing date in two temperate tree species. Proceedings of the National Academy of Sciences, 111(20), 7355-7360. DOI: 10.1073/pnas.1321727111
Polgar, C., & Primack, R. (2011) Leaf-out phenology of temperate woody plants: from trees to ecosystems. New Phytologist, 191(4), 926-941. DOI: 10.1111/j.1469-8137.2011.03803.x
The immune system is sort of this big enigma, we know how pieces of it work, but we don’t know it as well as we would like or we wouldn’t have autoimmunity to contend with. Well new research reveals new information about how our immune system functions, shedding light on a vital process that determines how the body’s ability to fight infection develops. Which brings us one step closer to the big picture of the immune system.... Read more »
Zhou RW, Mkhikian H, Grigorian A, Hong A, Chen D, Arakelyan A, & Demetriou M. (2014) N-glycosylation bidirectionally extends the boundaries of thymocyte positive selection by decoupling Lck from Ca2 signaling. Nature immunology. PMID: 25263124
Do companion animals contribute to human Blastocystis? Do IBS patients have a higher prevalence of Blastocystis and Dientamoeba fragilis than healthy invididuals? Check out this issue of 'This Month in Blastocystis Research'.... Read more »
Krogsgaard LR, Engsbro AL, Stensvold CR, Vedel Nielsen H, & Bytzer P. (2014) The Prevalence of Intestinal Parasites is not Greater Among Individuals with IBS: a Population-Based Case-Control Study. Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association. PMID: 25229421
Krogsgaard LR, Engsbro AL, & Bytzer P. (2013) The epidemiology of irritable bowel syndrome in Denmark. A population-based survey in adults ≤50 years of age. Scandinavian journal of gastroenterology, 48(5), 523-9. PMID: 23506174
Ruaux CG, & Stang BV. (2014) Prevalence of Blastocystis in Shelter-Resident and Client-Owned Companion Animals in the US Pacific Northwest. PloS one, 9(9). PMID: 25226285
Wang W, Cuttell L, Bielefeldt-Ohmann H, Inpankaew T, Owen H, & Traub RJ. (2013) Diversity of Blastocystis subtypes in dogs in different geographical settings. Parasites , 215. PMID: 23883734
Wawrzyniak I, Poirier P, Viscogliosi E, Dionigia M, Texier C, Delbac F, & Alaoui HE. (2013) Blastocystis, an unrecognized parasite: an overview of pathogenesis and diagnosis. Therapeutic advances in infectious disease, 1(5), 167-78. PMID: 25165551
How parent and peer support in preadolescent and adolescent girls influences their engagement in physical activity across ages nine to 15 years.... Read more »
DAVISON K, & JAGO R. (2009) Change in Parent and Peer Support across Ages 9 to 15 yr and Adolescent Girls' Physical Activity. Medicine , 41(9), 1816-1825. DOI: 10.1249/MSS.0b013e3181a278e2
Nader P, Bradley R, Houts R, McRitchie S, & O’Brien M. (2008) Moderate-to-Vigorous Physical Activity From Ages 9 to 15 Years. JAMA, 300(3), 295-305. DOI: 10.1001/jama.300.3.295
To wrap up my series on tracing the connections between ancient Pueblo sites like Chaco Canyon and the modern Pueblos, I’d like to discuss a type of evidence I haven’t discussed much but that people often ask about: DNA evidence. This is the most direct way to tie one population to another, at least in theory, […]... Read more »
Mulligan, C. (2006) Anthropological Applications of Ancient DNA: Problems and Prospects. American Antiquity, 71(2), 365. DOI: 10.2307/40035909
"Our study demonstrates a strong association between anti-TPO levels, which are considered to be of diagnostic value for autoimmune thyroiditis... with uni- or bipolar depression.""Beware the bad cat bearing a grudge"So said the study published by Detlef Degner and colleagues . Anti-TPO antibodies by the way, refers to anti-thyroid peroxidase antibodies which, as the name suggests, are antibodies against thyroid peroxidase, an important step in the production of thyroid hormone........ Read more »
Degner D, Haust M, Meller J, Rüther E, & Reulbach U. (2014) Association between autoimmune thyroiditis and depressive disorder in psychiatric outpatients. European archives of psychiatry and clinical neuroscience. PMID: 25193677
I have been thinking about some information in a not too recent paper. (see citation below) Panagiotaropoulos and others looked at the location of the content of consciousness in primates. They used binocular flash suppression (BFS) to give two different visual stimulation that compete for a place in the content of consciousness. Here is their […]... Read more »
Panagiotaropoulos, T., Deco, G., Kapoor, V., & Logothetis, N. (2012) Neuronal Discharges and Gamma Oscillations Explicitly Reflect Visual Consciousness in the Lateral Prefrontal Cortex. Neuron, 74(5), 924-935. DOI: 10.1016/j.neuron.2012.04.013
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