All posts; Tags Include "Taxonomy"
- September 9, 2016
- 07:00 AM
- 147 views
Friday Fellow: Helicopter Damselfly
by Piter Boll in Earthling Nature
by Piter Kehoma Boll Damselflies are usually delicate versions of dragonflies, but some species challenge their place among the odonates. The most extreme example comes from the moist forests of Central and South America and is known as Megaloprepus caerulatus or … Continue reading →... Read more »
Feindt, W., Fincke, O., & Hadrys, H. (2013) Still a one species genus? Strong genetic diversification in the world’s largest living odonate, the Neotropical damselfly Megaloprepus caerulatus. Conservation Genetics, 15(2), 469-481. DOI: 10.1007/s10592-013-0554-z
- September 2, 2016
- 10:41 AM
- 178 views
This Month in Blastocystis Research - AUG
by Christen Rune Stensvold in Blastocystis Parasite Blog
About the factors potentially limiting susceptibility to Blastocystis colonisation/infection.... Read more »
Blessmann, J., Ali, I., Ton Nu, P., Dinh, B., Ngo Viet, T., Le Van, A., Clark, C., & Tannich, E. (2003) Longitudinal Study of Intestinal Entamoeba histolytica Infections in Asymptomatic Adult Carriers. Journal of Clinical Microbiology, 41(10), 4745-4750. DOI: 10.1128/JCM.41.10.4745-4750.2003
Scanlan PD, Stensvold CR, Rajilić-Stojanović M, Heilig HG, De Vos WM, O'Toole PW, & Cotter PD. (2014) The microbial eukaryote Blastocystis is a prevalent and diverse member of the healthy human gut microbiota. FEMS microbiology ecology, 90(1), 326-30. PMID: 25077936
- August 1, 2016
- 07:36 PM
- 275 views
This Month in Blastocystis Research - Interactive Edition
by Christen Rune Stensvold in Blastocystis Parasite Blog
What are your thoughts on Blastocystis carriage and age? Please comment!... Read more »
Forsell J, Granlund M, Samuelsson L, Koskiniemi S, Edebro H, & Evengård B. (2016) High occurrence of Blastocystis sp. subtypes 1-3 and Giardia intestinalis assemblage B among patients in Zanzibar, Tanzania. Parasites , 9(1), 370. PMID: 27356981
Poulsen CS, Efunshile AM, Nelson JA, & Stensvold CR. (2016) Epidemiological Aspects of Blastocystis Colonization in Children in Ilero, Nigeria. The American journal of tropical medicine and hygiene, 95(1), 175-9. PMID: 27139454
- June 20, 2016
- 12:26 AM
- 317 views
The fabulous taxonomic adventure of the genus Geoplana
by Piter Boll in Earthling Nature
by Piter Kehoma Boll Freshwater planarians are relatively well-known as those cute arrow-shaped cockeyed animals. Land planarians are far away from having all the fame of their aquatic cousins and most people do not even know that they exist. Maybe … Continue reading →... Read more »
Carbayo, F., Álvarez-Presas, M., Olivares, C., Marques, F., Froehlich, E., & Riutort, M. (2013) Molecular phylogeny of Geoplaninae (Platyhelminthes) challenges current classification: proposal of taxonomic actions. Zoologica Scripta, 42(5), 508-528. DOI: 10.1111/zsc.12019
- June 13, 2016
- 08:30 PM
- 357 views
This Month in Blastocystis Research (MAY 2016)
by Christen Rune Stensvold in Blastocystis Parasite Blog
The May entry of "This Month in Blastocystis Research" focusses especially on the increasing interest in Blastocystis in a gut microbiota context. ... Read more »
Audebert C, Even G, Cian A, Blastocystis Investigation Group, Loywick A, Merlin S, Viscogliosi E, & Chabé M. (2016) Colonization with the enteric protozoa Blastocystis is associated with increased diversity of human gut bacterial microbiota. Scientific reports, 25255. PMID: 27147260
Andersen LO, Bonde I, Nielsen HB, & Stensvold CR. (2015) A retrospective metagenomics approach to studying Blastocystis. FEMS microbiology ecology, 91(7). PMID: 26130823
Stensvold CR, & Clark CG. (2016) Current status of Blastocystis: A personal view. Parasitology international. PMID: 27247124
O'Brien Andersen L, Karim AB, Roager HM, Vigsnæs LK, Krogfelt KA, Licht TR, & Stensvold CR. (2016) Associations between common intestinal parasites and bacteria in humans as revealed by qPCR. European journal of clinical microbiology . PMID: 27230509
Ramírez JD, Sánchez A, Hernández C, Flórez C, Bernal MC, Giraldo JC, Reyes P, López MC, García L, Cooper PJ.... (2016) Geographic distribution of human Blastocystis subtypes in South America. Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases, 32-5. PMID: 27034056
- March 15, 2016
- 06:42 PM
- 576 views
New paper “Clustering Genes of Common Evolutionary History”
by Christophe Dessimoz in Open Reading Frame
This is how molecular systematics has worked since the sixties: you take some identifiable feature (e.g. a gene or a protein) common to a group of species and take some measurements of it (e.g. sequencing the DNA). By comparing the results of these measurements you can estimate the evolutionary tree that links the species. Shortly after people started doing this they realised there was a problem: when analyses are based different genes they often estimate different —incongruent — evo........ Read more »
Gori K, Suchan T, Alvarez N, Goldman N, & Dessimoz C. (2016) Clustering genes of common evolutionary history. Molecular biology and evolution. PMID: 26893301
- March 6, 2016
- 11:51 PM
- 473 views
From evolutionary morphology to Godzilla
by adam phillips in It Ain't Magic
I recently spoke with Chief Scientist Shigeru Kuratani about evolutionary morphology, sci-fi monsters, the genius of Alien, and more.... Read more »
Sugahara, F., Pascual-Anaya, J., Oisi, Y., Kuraku, S., Aota, S., Adachi, N., Takagi, W., Hirai, T., Sato, N., Murakami, Y.... (2016) Evidence from cyclostomes for complex regionalization of the ancestral vertebrate brain. Nature, 531(7592), 97-100. DOI: 10.1038/nature16518
- March 1, 2016
- 05:39 PM
- 566 views
This Month in Blastocystis Research (FEB 2016) - Rash Edition
by Christen Rune Stensvold in Blastocystis Parasite Blog
The February entry in the "This Month in Blastocystis Research" blog post series is all on Blastocystis and chronic urticaria (hives).... Read more »
Armentia A, Méndez J, Gómez A, Sanchís E, Fernández A, de la Fuente R, & Sánchez P. (1993) Urticaria by Blastocystis hominis. Successful treatment with paromomycin. Allergologia et immunopathologia, 21(4), 149-51. PMID: 8237719
Casero, R., Mongi, F., Sánchez, A., & Ramírez, J. (2015) Blastocystis and urticaria: Examination of subtypes and morphotypes in an unusual clinical manifestation. Acta Tropica, 156-161. DOI: 10.1016/j.actatropica.2015.05.004
Kolkhir P, Balakirski G, Merk HF, Olisova O, & Maurer M. (2016) Chronic spontaneous urticaria and internal parasites - a systematic review. Allergy, 71(3), 308-22. PMID: 26648083
Lepczyńska M, Chen WC, & Dzika E. (2016) Mysterious chronic urticaria caused by Blastocystis spp.?. International journal of dermatology, 55(3), 259-66. PMID: 26469206
Vogelberg C, Stensvold CR, Monecke S, Ditzen A, Stopsack K, Heinrich-Gräfe U, & Pöhlmann C. (2010) Blastocystis sp. subtype 2 detection during recurrence of gastrointestinal and urticarial symptoms. Parasitology international, 59(3), 469-71. PMID: 20363362
- February 11, 2016
- 02:47 PM
- 638 views
How a new species of Lyme disease bacteria was discovered
by Microbe Fan in Spirochetes Unwound
A new agent of the tick-borne illness known as Lyme disease has emerged in the upper Midwest. The bacterium is genetically related to Borrelia burgdorferi, until now believed to be the only cause of Lyme disease in the United States. The name proposed for the bacterium is Borrelia mayonii because the work was conducted at the Mayo Clinic. B. mayonii has not been detected in patients outside of the Midwest (so far). The findings are described in The Lancet Infectious Disea........ Read more »
Pritt BS, Mead PS, Johnson DK, Neitzel DF, Respicio-Kingry LB, Davis JP, Schiffman E, Sloan LM, Schriefer ME, Replogle AJ.... (2016) Identification of a novel pathogenic Borrelia species causing Lyme borreliosis with unusually high spirochaetaemia: a descriptive study. The Lancet. Infectious diseases. PMID: 26856777
- February 1, 2016
- 03:59 PM
- 624 views
The tegu lizard and the origin of warm-blooded animals
by Piter Boll in Earthling Nature
by Piter Kehoma Boll Warm blood is the popular way to refer to endothermy, the ability that certain animals have to maintain a high body temperature by the use of heat generated via metabolism, especially in internal organs. Mammals and birds … Continue reading →... Read more »
KEMP, T. (2006) The origin of mammalian endothermy: a paradigm for the evolution of complex biological structure. Zoological Journal of the Linnean Society, 147(4), 473-488. DOI: 10.1111/j.1096-3642.2006.00226.x
Tattersall, G., Leite, C., Sanders, C., Cadena, V., Andrade, D., Abe, A., & Milsom, W. (2016) Seasonal reproductive endothermy in tegu lizards. Science Advances, 2(1). DOI: 10.1126/sciadv.1500951
- January 30, 2016
- 01:17 PM
- 718 views
This Month in Blastocystis Research (JAN 2016)
by Christen Rune Stensvold in Blastocystis Parasite Blog
The first post in the This Month in Blastocystis Research series in 2016 is about Blastocystis epidemiology in India (including IBS patients), views on treatment, and Blastocystis in non-human primates.... Read more »
Das R, Khalil S, Mirdha BR, Makharia GK, Dattagupta S, & Chaudhry R. (2016) Molecular Characterization and Subtyping of Blastocystis Species in Irritable Bowel Syndrome Patients from North India. PloS one, 11(1). PMID: 26784888
Pandey PK, Verma P, Marathe N, Shetty S, Bavdekar A, Patole MS, Stensvold CR, & Shouche YS. (2015) Prevalence and subtype analysis of Blastocystis in healthy Indian individuals. Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases, 296-9. PMID: 25701123
Kurt Ö, Doğruman Al F, & Tanyüksel M. (2016) Eradication of Blastocystis in humans: Really necessary for all?. Parasitology international. PMID: 26780545
Zanzani SA, Gazzonis AL, Epis S, & Manfredi MT. (2016) Study of the gastrointestinal parasitic fauna of captive non-human primates (Macaca fascicularis). Parasitology research, 115(1), 307-12. PMID: 26374536
Yoshikawa H, Wu Z, Kimata I, Iseki M, Ali IK, Hossain MB, Zaman V, Haque R, & Takahashi Y. (2004) Polymerase chain reaction-based genotype classification among human Blastocystis hominis populations isolated from different countries. Parasitology research, 92(1), 22-9. PMID: 14598169
- January 15, 2016
- 01:12 AM
- 758 views
Where and when did the wolf become man’s best friend?
by TakFurTheKaffe in Tak Fur The Kaffe
Did dogs become domesticated in Southeast Asia or Europe? New study challenges recent research... Read more »
Wang, G., Zhai, W., Yang, H., Wang, L., Zhong, L., Liu, Y., Fan, R., Yin, T., Zhu, C., Poyarkov, A.... (2015) Out of southern East Asia: the natural history of domestic dogs across the world. Cell Research, 26(1), 21-33. DOI: 10.1038/cr.2015.147
- December 29, 2015
- 04:30 PM
- 726 views
This Month in Blastocystis Research (DEC 2015)
by Christen Rune Stensvold in Blastocystis Parasite Blog
Practically all Blastocystis research has focussed on identifying a role for the parasite in disease. Meanwhile, no one has really tried to looked into what Blastocystis may tell us about human health. Together with partner labs, our lab has produced data suggesting that Blastocystis carriage is extremely common, and probably also extremely long lasting. We have also shown that the parasite is associated with certain gut microbial communities and that it is more common in healthy individuals tha........ Read more »
Andersen LO, & Stensvold CR. (2015) Blastocystis in Health and Disease-Are We Moving from a Clinical to a Public Health Perspective?. Journal of clinical microbiology. PMID: 26677249
- December 8, 2015
- 02:35 PM
- 523 views
My First Citation, Due To A Couple Of Hybridizing Scaups
by Jente Ottenburghs in Evolutionary Stories
The story of my first citation, and the birth of my H-index...... Read more »
Lavretsky, P., Peters, J., Winker, K., Bahn, V., Kulikova, I., Zhuravlev, Y., Wilson, R., Barger, C., Gurney, K., & Mccracken, K. (2015) Becoming pure: identifying generational classes of admixed individuals within lesser and greater scaup populations. Molecular Ecology. DOI: 10.1111/mec.13487
- December 1, 2015
- 04:48 PM
- 705 views
This Month in Blastocystis Research (NOV 2015) - Persian Gulf Edition
by Christen Rune Stensvold in Blastocystis Parasite Blog
In the 'This Month' Series, I highlight three surveys on Blastocystis from the Persian Gulf (Qatar, UAE, and Iran), and highlight issues that may be associated with epidemiolocial studies. ... Read more »
Abu-Madi M, Aly M, Behnke JM, Clark CG, & Balkhy H. (2015) The distribution of Blastocystis subtypes in isolates from Qatar. Parasites , 465. PMID: 26384209
AbuOdeh R, Ezzedine S, Samie A, Stensvold CR, & ElBakri A. (2015) Prevalence and subtype distribution of Blastocystis in healthy individuals in Sharjah, United Arab Emirates. Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases. PMID: 26611823
Khoshnood S, Rafiei A, Saki J, & Alizadeh K. (2015) Prevalence and Genotype Characterization of Blastocystis hominis Among the Baghmalek People in Southwestern Iran in 2013 - 2014. Jundishapur journal of microbiology, 8(10). PMID: 26587213
- November 10, 2015
- 03:54 PM
- 720 views
Projects, papers and other pleasures
by Jente Ottenburghs in Evolutionary Stories
An overview of my PhD so far...... Read more »
Ottenburghs, J., Ydenberg, R., Van Hooft, P., Van Wieren, S., & Prins, H. (2015) The Avian Hybrids Project: gathering the scientific literature on avian hybridization. Ibis, 157(4), 892-894. DOI: 10.1111/ibi.12285
- November 5, 2015
- 07:47 PM
- 770 views
Baby Giant Squids
by Dr. M in Deep Sea News
We know almost nothing about Giant Squids with mantles lengths less than 1000 mm (~40 inches). Very young squids are even more enigmatic than adults. A recent study reports the collection of three very young Giant Squids off the Japanese coast. The three young measured 140.8, 332, and 332 mm (5.5 and 13 inches). The heaviest of […]... Read more »
Wada, T., Kubodera, T., Yamada, M., & Terakado, H. (2015) First records of small-sized young giant squid Architeuthis dux from the coasts of Kyushu Island and the south-western Sea of Japan. Marine Biodiversity Records. DOI: 10.1017/S175526721500127X
- November 3, 2015
- 04:20 PM
- 947 views
I Pity the Species That Doesn’t Decorate
by Dr. M in Deep Sea News
Mr. T made mohawks and fool pitying a life goal for many. Another life goal for many, thanks to first name Mr, middle name period, last name T, was decorating themselves with enough gold chains to crash a third-world economy. Although humans are the only species where decoration functions strongly in social interactions (see Beyonce), […]... Read more »
Ruxton, G., & Stevens, M. (2015) The evolutionary ecology of decorating behaviour. Biology Letters, 11(6), 20150325. DOI: 10.1098/rsbl.2015.0325
- October 28, 2015
- 01:25 AM
- 881 views
First field observations of one of the world’s rarest whales:
by TakFurTheKaffe in Tak Fur The Kaffe
Scientists have made the first ever field observations of the Omura's whale -- the least known species of whales in the world. The results are published in the open-access Royal Society Open Science journal.... Read more »
Cerchio, S., Andrianantenaina, B., Lindsay, A., Rekdahl, M., Andrianarivelo, N., & Rasoloarijao, T. (2015) Omura’s whales (Balaenoptera omurai) off northwest Madagascar: ecology, behaviour and conservation needs . Royal Society Open Science, 2(10), 150301. DOI: 10.1098/rsos.150301
- October 5, 2015
- 12:50 PM
- 674 views
This Month in Blastocystis Research (SEP 2015)
by Christen Rune Stensvold in Blastocystis Parasite Blog
Slightly delayed, the "This Month" post is mainly on Blastocystis survyes, detection and host specificity.... Read more »
Abu-Madi M, Aly M, Behnke JM, Clark CG, & Balkhy H. (2015) The distribution of Blastocystis subtypes in isolates from Qatar. Parasites , 465. PMID: 26384209
Osman M, Bories J, El Safadi D, Poirel MT, Gantois N, Benamrouz-Vanneste S, Delhaes L, Hugonnard M, Certad G, Zenner L.... (2015) Prevalence and genetic diversity of the intestinal parasites Blastocystis sp. and Cryptosporidium spp. in household dogs in France and evaluation of zoonotic transmission risk. Veterinary parasitology. PMID: 26395822
Ragavan, N., Kumar, S., Chye, T., Mahadeva, S., & Shiaw-Hooi, H. (2015) Blastocystis sp. in Irritable Bowel Syndrome (IBS) - Detection in Stool Aspirates during Colonoscopy. PLOS ONE, 10(9). DOI: 10.1371/journal.pone.0121173
Stensvold CR, Suresh GK, Tan KS, Thompson RC, Traub RJ, Viscogliosi E, Yoshikawa H, & Clark CG. (2007) Terminology for Blastocystis subtypes--a consensus. Trends in parasitology, 23(3), 93-6. PMID: 17241816
Scanlan PD, Stensvold CR, & Cotter PD. (2015) Development and Application of a Blastocystis Subtype-Specific PCR Assay Reveals that Mixed-Subtype Infections Are Common in a Healthy Human Population. Applied and environmental microbiology, 81(12), 4071-6. PMID: 25841010
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
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