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https://www.readbyqxmd.com/read/28622389/-foraging-for-a-place-to-lay-eggs-a-genetic-link-between-foraging-behaviour-and-oviposition-preferences
#1
Murray W McConnell, Mark J Fitzpatrick
Gravid female arthropods in search of egg-laying substrates embark on foraging-like forays: they survey the environment assessing multiple patches, tasting each with their tarsi and proboscis, and then, if interested, they deposit an egg (or eggs). In fruit flies, Drosophila melanogaster, allelic variation in the foraging gene (for) underlies the rover/sitter foraging behaviour polymorphism. Rover flies (forR) are more active foragers (both within and between food patches) compared to sitters (fors). In nematodes, Caenorhabditis elegans, a mutation in egl-4, the ortholog of for, leads to aberrations in egg laying...
2017: PloS One
https://www.readbyqxmd.com/read/28620263/immunopathological-response-of-leukocytes-against-microfilariae-and-adult-worms-in-white-rats-infected-with-setaria-cervi
#2
Sharba Kausar, Wajihullah Khan
AIM: Aim of this study was to see the immunopathological changes against the microfilariae (Mf) and adult worms of a bovine filarid, Setaria cervi in the tissues of vital organs of experimentally infected white rats. The effect of diethylcarbamazine (DEC) was also observed on the Mf, as leukocytes especially lymphocytes produce immunoglobulins which opsonize and increase the efficacy of DEC against circulating Mf. Effect of this drug was also assessed on liver enzymes in the microfilaremic rats...
May 2017: Veterinary World
https://www.readbyqxmd.com/read/28612095/maternal-fetal-vitamin-d-receptor-polymorphisms-significantly-associated-with-preterm-birth
#3
Talya Rosenfeld, Hagit Salem, Gheona Altarescu, Sorina Grisaru-Granovsky, Aharon Tevet, Ruth Birk
PURPOSE: Preterm birth (PTB) is a complex trait with strong genetic background, whose etiology is not fully understood. It was recently suggested that pregnancy duration is affected by fetal genetic variation even more than by the maternal genome. Vitamin D receptor (VDR) is involved in embryonic implantation and fertility. We studied the association between both maternal and neonatal vitamin D receptor (VDR) genetic variation and PTB. METHODS: Maternal and fetal (umbilical cord) DNA was isolated from Jewish Israeli idiopathic preterm newborns (24-36 weeks, n = 146) and control term newborns (>37 weeks, n = 229)...
June 13, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28606855/variation-in-the-web-based-chemical-cues-of-argiope-keyserlingi
#4
Jessica Henneken, Jason Q D Goodger, Therèsa M Jones, Mark A Elgar
Pheromones are chemical compounds used to transmit information between individuals of the same species. Pheromone composition is influenced by both genetic and environmental factors. Numerous studies, predominately of insects, have demonstrated a role for diet in pheromone expression. The chemical composition of spider web-silk varies with diet and in many species these chemicals are crucial to mate choice processes. Here, we investigated individual variation in the chemical compounds found on the surface of web-silk of female Argiope keyserlingi, and further explored the degree to which they are influenced by diet, investment in egg sac production and site of collection...
June 9, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28606030/assessing-breast-cancer-risk-estimates-based-on-the-gail-model-and-its-predictors-in-qatari-women
#5
Abdulbari Bener, Funda Çatan, Hanadi R El Ayoubi, Ahmet Acar, Wanis H Ibrahim
BACKGROUND: The Gail model is the most widely used breast cancer risk assessment tool. An accurate assessment of individual's breast cancer risk is very important for prevention of the disease and for the health care providers to make decision on taking chemoprevention for high-risk women in clinical practice in Qatar. AIM: To assess the breast cancer risk among Arab women population in Qatar using the Gail model and provide a global comparison of risk assessment...
July 2017: Journal of Primary Care & Community Health
https://www.readbyqxmd.com/read/28598132/-effect-of-sleep-in-early-pregnancy-on-gestational-diabetes-a-prospective-study
#6
Feng-Ming Zhou, Liu-Qing Yang, Rong-Ping Zhao, Dan Liu, Run Li, Yue Wang, Zheng-Yan Dai, Jing Liu, Ju Zhang, Rong Zhou, Guo Zeng
OBJECTIVES: To investigate the influence of sleep status in early pregnant women on the occurrence of gestational diabetes mellitus (GDM). METHODS: In this prospective study,542 pregnant women in early pregnancy were selected as subjects.The sleep time,insomnia,pre-gestational body mass and basic information of the subjects were collected by the trained investigators through questionnaire.At the 24(th) to 28(th) pregnant week,the body mass of each subject was measured and oral glucose tolerance test (OGTT) was conducted...
November 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28596215/reproductive-and-metabolic-state-differences-in-olfactory-responses-to-amino-acids-in-a-mouth-brooding-african-cichlid-fish
#7
Alexandre A Nikonov, Julie M Butler, Karen E Field, John Caprio, Karen P Maruska
Olfaction mediates many crucial life-history behaviors such as prey detection, predator avoidance, migration, and reproduction. Olfactory function can also be modulated by an animal's internal physiological and metabolic states. While this is relatively well-studied in mammals, little is known about how internal state impacts olfaction in fishes, the largest and most diverse group of vertebrates. Here we apply electro-olfactograms (EOGs) in the African cichlid fish Astatotilapia burtoni to test the hypothesis that olfactory responses to food-related cues (i...
June 8, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28594888/semiochemicals-released-from-five-bacteria-identified-from-animal-wounds-infested-by-primary-screwworms-and-their-effects-on-fly-behavioral-activity
#8
Junwei J Zhu, Muhammad F Chaudhury, Lisa M Durso, Agustin Sagel, Steven R Skoda, Nadia S Jelvez-Serra, Euzebio Goulart Santanab
BACKGROUND: The Primary screwworm, Cochliomyia hominivorax (Coquerel), is a serious pest feeding on living flesh of any warm-blooded animal, including humans. It was eradicated from the United States in the early 1980s using the sterile male technique. However, it was recently detected in populations of wild deer and pets in the Florida Keys of the US. For monitoring purposes, screwworm flies are normally trapped using attractant bait with liver. However, there has been little effort to develop an efficient monitoring system for detection of screwworm flies using a specific synthetic attractant blend...
2017: PloS One
https://www.readbyqxmd.com/read/28591156/dark-eyes-in-female-sand-gobies-indicate-readiness-to-spawn
#9
Karin H Olsson, Sandra Johansson, Eva-Lotta Blom, Kai Lindström, Ola Svensson, Helen Nilsson Sköld, Charlotta Kvarnemo
In animals, colorful and conspicuous ornaments enhance individual attractiveness to potential mates, but are typically tempered by natural selection for crypsis and predator protection. In species where males compete for females, this can lead to highly ornamented males competing for mating opportunities with choosy females, and vice versa. However, even where males compete for mating opportunities, females may exhibit conspicuous displays. These female displays are often poorly understood and it may be unclear whether they declare mating intent, signal intrasexual aggression or form a target for male mate preference...
2017: PloS One
https://www.readbyqxmd.com/read/28590226/comparative-efficiency-of-biogents-gravid-aedes-trap-cdc-autocidal-gravid-ovitrap-and-cdc-gravid-trap-in-northeastern-florida
#10
James E Cilek, Jennifer A Knapp, Alec G Richardson
We conducted a study to compare the effectiveness of the Biogents Gravid Aedes Trap (BG-GAT) and Centers for Disease Control and Prevention (CDC) Autocidal Gravid Ovitrap (AGO) with that of the CDC Gravid Trap (CDC-GT) (as a standard) for their proficiency to collect mosquitoes in an urban residential neighborhood in northeastern Florida. Aedes aegypti , Ae. albopictus, and Culex quinquefasciatus were collected from each trap, with the latter species being predominant. Significantly more Cx. quinquefasciatus were collected from CDC-GT traps compared with the other 2 traps...
June 2017: Journal of the American Mosquito Control Association
https://www.readbyqxmd.com/read/28588158/helicobacter-pylori-stool-antigen-assay-in-hyperemesis-gravidarum
#11
S Kabir, R A Khanam, M S Basher, M S Azam, M A Hossain, T T Mirza, K A Banu, R K Karmoker
Hyperemesis gravidarum is the most severe form of nausea and vomiting in pregnancy that seriously affects the pregnancy outcome. It is a disease with unknown etiology and varieties of contributing factors like hormonal changes, psychological and immunological factors. A significantly high prevalence of Helicobacter pylori among pregnant women with Hyperemesis gravidarum has been revealed recently. A descriptive, cross-sectional study was carried out at antenatal ward, Department of Obstetrics and Gynaecology, Mymensingh Medical College Hospital, Mymensingh for a period of twenty-one months among purposively selected thirty-six patients with Hyperemesis gravidarum with a view to assess the involvement of H...
April 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28587614/host-specificity-molecular-phylogeny-and-morphological-differences-of-phyllodistomum-pseudofolium-nybelin-1926-and-phyllodistomum-angulatum-linstow-1907-trematoda-gorgoderidae-with-notes-on-eurasian-ruffe-as-final-host-for-phyllodistomum-spp
#12
Virmantas Stunžėnas, Romualda Petkevičiūtė, Larisa G Poddubnaya, Gražina Stanevičiūtė, Alexander E Zhokhov
BACKGROUND: Host-specificity patterns are not well-defined for trematodes of the genus Phyllodistomum Braun, 1899. The Eurasian ruffe, Gymnocephalus cernuus L., has been recorded as a definitive host for Phyllodistomum folium (Olfers, 1816), P. angulatum Linstow, 1907 and P. megalorchis Nybelin, 1926 and as the type-host for P. pseudofolium Nybelin (1926). A wide range of other host fishes have been recorded for these species as well. All present host records have been based on light microscopy and the life-cycles of P...
June 6, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28585139/relationship-between-placenta-location-and-resolution-of-second-trimester-placenta-previa
#13
Yun Feng, Xue-Yin Li, Juan Xiao, Wei Li, Jing Liu, Xue Zeng, Xi Chen, Kai-Yue Chen, Lei Fan, Su-Hua Chen
This prospective study was conducted to assess the rate of resolution of second trimester placenta previa in women with anterior placenta and posterior placenta, and that in women with and without previous cesarean section. In this study, placenta previa was defined as a placenta lying within 20 mm of the internal cervical os or overlapping it. We recruited 183 women diagnosed with previa between 20(+0) weeks and 25(+6) weeks. They were grouped according to their placenta location (anterior or posterior) and history of cesarean section...
June 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28584705/pond-dyes-are-culex-mosquito-oviposition-attractants
#14
Natali Ortiz Perea, Amanda Callaghan
BACKGROUND: British mosquito population distribution, abundance, species composition and potential for mosquito disease transmission are intimately linked to the physical environment. The presence of ponds and water storage can significantly increase the density of particular mosquito species in the garden. Culex pipiens is the mosquito most commonly found in UK gardens and a potential vector of West Nile Virus WNV, although the current risk of transmission is low. However any factors that significantly change the distribution and population of C...
2017: PeerJ
https://www.readbyqxmd.com/read/28584581/preconceptional-use-of-folic-acid-and-knowledge-about-folic-acid-among-low-income-pregnant-women-in-korea
#15
Jihyun Kim, Miyong Yon, Cho-Il Kim, Yoonna Lee, Gui-Im Moon, Jinhwan Hong, Taisun Hyun
BACKGROUND/OBJECTIVES: Folic acid supplementation before pregnancy is known to significantly reduce the risk of having a baby with neural tube defects (NTDs). Therefore, it is important for women to be aware of the effects of folic acid supplementation before pregnancy. The purpose of this study was to investigate the awareness and preconceptional use of folic acid and to assess the current knowledge about folic acid among low-income pregnant women in Korea. SUBJECTS/METHODS: A questionnaire survey was conducted in 2012...
June 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28580721/persistent-hemolytic-disease-of-the-fetus-and-newborn-hdfn-associated-with-passive-acquisition-of-anti-d-in-maternal-breast-milk
#16
Marissa Li, John C Blaustein
BACKGROUND: Anti-D is a well-documented, significant cause of hemolytic disease of the fetus and newborn (HDFN), but its presence in breast milk is not routinely described. Theoretically, breast milk containing anti-D could have the potential to exacerbate HDFN if ingested by the affected infant. STUDY DESIGN AND METHODS: This is a case report of a 28-week premature male neonate with hydrops fetalis born to a 32-year-old woman (gravidity 3/parity 3) with anti-D and anti-G...
June 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28560047/effects-of-dexamethasone-on-progesterone-and-estrogen-profiles-and-uterine-progesterone-receptor-localization-during-pregnancy-in-sahel-goat-in-semi-arid-region
#17
Dauda Yahi, Nicholas Adetayo Ojo, Gideon Dauda Mshelia
BACKGROUND: Despite the widespread use of dexamethasone in veterinary and human medicine, it is reported to cause some severe pregnancy related side effects like abortion in some animals. The mechanism of the response is not clear but seems to be related to interspecies and/or breed difference in response which may involve alterations in the concentrations of some reproductive hormones. METHODS: Twenty Sahel goats comprising 18 does and 2 bucks were used for this study...
2017: Journal of Animal Science and Technology
https://www.readbyqxmd.com/read/28557360/success-of-capture-of-toads-improved-by-manipulating-acoustic-characteristics-of-lures
#18
Benjamin J Muller, Lin Schwarzkopf
BACKGROUND: Management of invasive vertebrates is a crucial component of conservation. Trapping reproductive adults is often effective for control, and modification of traps may greatly increase their attractiveness to such individuals. Cane toads (Rhinella marina) are invasive, and males use advertisement vocalisations to attract reproductive females. In amphibians, including toads, specific structural parameters of calls (e.g., dominant frequency and pulse rate) may be attractive to females...
May 29, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28539276/-expectant-therapy-versus-curettage-for-retained-products-of-conception-after-second-trimester-termination-of-pregnancy-analysis-of-outcomes-and-complications
#19
Wen-Juan Zeng, Sheng-Li An, Hao Huang, Qi-Tao Huang, Fei-Feng Li, Hai-Zhen Wang, Dan-Chun Cai, Yun-Fei Gao
OBJECTIVE: To evaluate the prognosis and complications of expectant therapy and curettage for retained product of conception (RPOC) after second trimester termination of pregnancy (TOP). METHODS: A total of 270 patients with RPOC following second trimester TOP in Nanfang Hospital between January, 2014 and December, 2015 were included in this study. The duration of vaginal bleeding time and menstruation recovery interval were compared between patients receiving expectant therapy and curettage for RPOC, and binary logistic regression was used to assess the risk factors for complications in bivariate and multivariate analyses...
May 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28538089/central-hematocrit-levels-in-fetal-malnourished-term-infants
#20
Kerem Ertaş, Özgül Salihoğlu, Emrah Can, Sami Hatipoğlu, Şahin Hamilçikan
BACKROUND: Fetal malnutrition is especially important for common chronic diseases in adult life. They could potentially be prevented by achieving optimal fetal nutrition. OBJECTIVE: The aim of this study was to investigate hematocrit levels of malnourished, term, appropriate for gestational age (AGA) neonates. SUBJECTS AND METHODS: A total of 80 AGA neonates (between 10% and 90% percentiles interval according to birth week), born with spontaneous vaginal delivery between 37 and 42 weeks of gestation, detected by both last menstrual period and ultrasonography measurements, were included in the study...
May 23, 2017: Journal of Pediatric Hematology/oncology
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