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https://www.readbyqxmd.com/read/28535370/epithelial-patterning-morphogenesis-and-evolution-drosophila-eggshell-as-a-model
#1
REVIEW
Miriam Osterfield, Celeste A Berg, Stanislav Y Shvartsman
Understanding the mechanisms driving tissue and organ formation requires knowledge across scales. How do signaling pathways specify distinct tissue types? How does the patterning system control morphogenesis? How do these processes evolve? The Drosophila egg chamber, where EGF and BMP signaling intersect to specify unique cell types that construct epithelial tubes for specialized eggshell structures, has provided a tractable system to ask these questions. Work there has elucidated connections between scales of development, including across evolutionary scales, and fostered the development of quantitative modeling tools...
May 22, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28535262/developmental-studies-of-maize-infesting-picture-winged-flies-diptera-ulidiidae
#2
Gaurav Goyal, Gregg S Nuessly, Dakshina R Seal, Gary J Steck, John L Capinera, Kenneth J Boote
Eleven species of picture-winged flies (Diptera: Ulidiidae) attack maize (Zea mays L.) in the Americas. Field and laboratory studies were used to determine developmental times on sweet corn ears for the three most common species attacking the crop in the United States, Chaetopsis massyla (Walker), Euxesta eluta Loew, and Euxesta stigmatias Loew. Egg plus larval stage developmental times were evaluated in early Spring and late Fall 2009, and late Spring 2010, by placing newly deposited eggs in protected ears in the field...
May 23, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28535247/physical-and-physiological-factors-influence-behavioral-responses-of-cochliomyia-macellaria-diptera-calliphoridae-to-synthetic-attractants
#3
M F Chaudhury, J J Zhu, S R Skoda
Volatile chemicals from waste artificial larval media as well as from bovine blood inoculated with bacteria isolated from screwworm-infested wounds attract gravid females of Cochliomyia hominivorax Coquerel and Cochliomyia macellaria (F.). Chemicals identified from volatiles are dimethyl disulfide, dimethyl trisulfide, phenol, p-cresol, and indole; a blend of these attracted females to oviposit. Present studies investigated the effectiveness of these compounds, either in a blend or individually as potential oviposition attractants...
May 23, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28535197/feeding-and-development-of-emerald-ash-borer-coleoptera-buprestidae-on-cultivated-olive-olea-europaea
#4
Don Cipollini, Chad M Rigsby, Donnie L Peterson
We examined the suitability of cultivated olive, Olea europaea L., as a host for emerald ash borer, Agrilus planipennis Fairmaire. In a bioassay using cut stems from a field-grown olive tree (cv. 'Manzanilla') we found that 45% of larvae that had emerged from eggs used to inoculate stems, were recovered alive, many as larvae or prepupae, during periodic debarking of a subset of stems. Three intact stems that 19 larvae successfully entered were exposed to a simulated overwintering treatment. Four live adults emerged afterwards, and an additional pupa and several prepupae were discovered after debarking these stems...
May 23, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28535196/characterization-of-antixenosis-in-soybean-genotypes-to-bemisia-tabaci-hemiptera-aleyrodidae-biotype-b
#5
E L L Baldin, P L Cruz, R Morando, I F Silva, J P F Bentivenha, L R S Tozin, T M Rodrigues
Bemisia tabaci biotype B (Gennadius) is one of the most important soybean pest worldwide. Herein, 15 soybean genotypes were evaluated, to characterize the occurrence of antixenosis to B. tabaci biotype B. Initially, a multiple-choice test with all genotypes was carried out, evaluating the settling and oviposition preference at 3 d after infestation, and the colonization by nymphs after 48 d of infestation. Subsequently, a no-choice test, using 14 genotypes, was conducted with infested plants individually, and the number of eggs was counted after 72 h...
May 23, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28535107/egg-consumption-associated-with-increased-concentration-of-serum-total-and-low-density-lipoprotein-cholesterol-in-prospective-randomized-controlled-trials-thereby-possibly-associating-with-atherosclerosis-from-a-view-of-cardiologists
#6
Cheng-Wei Liu, Tzu-Chiao Lin, Guo-Shiang Tseng, Shyi-Shiaw Jiau
No abstract text is available yet for this article.
May 23, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28534446/blood-fatty-acid-changes-in-healthy-young-americans-in-response-to-a-10-week-diet-that-increased-n-3-and-reduced-n-6-fatty-acid-consumption-a-randomised-controlled-trial
#7
Andrew J Young, Bernadette P Marriott, Catherine M Champagne, Michael R Hawes, Scott J Montain, Neil M Johannsen, Kevin Berry, Joseph R Hibbeln
Military personnel generally under-consume n-3 fatty acids and overconsume n-6 fatty acids. In a placebo-controlled, double-blinded study, we investigated whether a diet suitable for implementation in military dining facilities and civilian cafeterias could benefit n-3/n-6 fatty acid status of consumers. Three volunteer groups were provided different diets for 10 weeks. Control (CON) participants consumed meals from the US Military's Standard Garrison Dining Facility Menu. Experimental, moderate (EXP-Mod) and experimental-high (EXP-High) participants consumed the same meals, but high n-6 fatty acid and low n-3 fatty acid containing chicken, egg, oils and food ingredients were replaced with products having less n-6 fatty acids and more n-3 fatty acids...
May 23, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28534089/comparison-of-microbiomes-between-red-poultry-mite-populations-dermanyssus-gallinae-predominance-of-bartonella-like-bacteria
#8
Jan Hubert, Tomas Erban, Jan Kopecky, Bruno Sopko, Marta Nesvorna, Martina Lichovnikova, Sabine Schicht, Christina Strube, Olivier Sparagano
Blood feeding red poultry mites (RPM) serve as vectors of pathogenic bacteria and viruses among vertebrate hosts including wild birds, poultry hens, mammals, and humans. The microbiome of RPM has not yet been studied by high-throughput sequencing. RPM eggs, larvae, and engorged adult/nymph samples obtained in four poultry houses in Czechia were used for microbiome analyses by Illumina amplicon sequencing of the 16S ribosomal RNA (rRNA) gene V4 region. A laboratory RPM population was used as positive control for transcriptome analysis by pyrosequencing with identification of sequences originating from bacteria...
May 22, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28533978/conserved-queen-pheromones-in-bumblebees-a-reply-to-amsalem-et-al
#9
Luke Holman, Jelle S van Zweden, Ricardo C Oliveira, Annette van Oystaeyen, Tom Wenseleers
In a recent study, Amsalem, Orlova & Grozinger (2015) performed experiments with Bombus impatiens bumblebees to test the hypothesis that saturated cuticular hydrocarbons are evolutionarily conserved signals used to regulate reproductive division of labor in many Hymenopteran social insects. They concluded that the cuticular hydrocarbon pentacosane (C25), previously identified as a queen pheromone in a congeneric bumblebee, does not affect worker reproduction in B. impatiens. Here we discuss some shortcomings of Amsalem et al...
2017: PeerJ
https://www.readbyqxmd.com/read/28533974/foraging-behaviour-of-an-egg-parasitoid-exploiting-plant-volatiles-induced-by-pentatomids-the-role-of-adaxial-and-abaxial-leaf-surfaces
#10
Francesca Frati, Antonino Cusumano, Eric Conti, Stefano Colazza, Ezio Peri, Salvatore Guarino, Letizia Martorana, Roberto Romani, Gianandrea Salerno
Several phases of herbivorous insect attack including feeding and oviposition are known to induce plant defenses. Plants emit volatiles induced by herbivores to recruit insect parasitoids as an indirect defense strategy. So far, volatiles induced by herbivore walking and their putative role in the foraging behavior of egg parasitoids have not been investigated. In this paper we studied the response of the egg parasitoid Trissolcus basalis toward volatiles emitted by Vicia faba plants as consequence of the walking activity of the host Nezara viridula...
2017: PeerJ
https://www.readbyqxmd.com/read/28533904/-this-is-where-it-all-started-the-pivotal-role-of-plc%C3%AE-within-the-sophisticated-process-of-mammalian-reproduction-a-systemic-review
#11
Itai Gat, Raoul Orvieto
Mammalian reproduction is one of the most complex and fascinating biological phenomenon, which aims to transfer maternal and paternal genetic material to the next generation. At the end of oogenesis and spermatogenesis, both haploid gametes contain a single set of chromosomes ready to form the zygote, the first cell of the newly developing individual. The mature oocyte and spermatozoa remain in a quiescent state, during which the oocyte is characterized by nuclear and cytoplasmic arrest, while the spermatozoa necessitates further maturation within the epididymis and female reproductive track prior to egg fertilization...
2017: Basic and Clinical Andrology
https://www.readbyqxmd.com/read/28533902/the-influence-of-in-ovo-injection-with-the-prebiotic-dinovo%C3%A2-on-the-development-of-histomorphological-parameters-of-the-duodenum-body-mass-and-productivity-in-large-scale-poultry-production-conditions
#12
Adrianna Sobolewska, Gabriela Elminowska-Wenda, Joanna Bogucka, Agata Dankowiakowska, Anna Kułakowska, Agata Szczerba, Katarzyna Stadnicka, Michał Szpinda, Marek Bednarczyk
BACKGROUND: Among various feed additives currently used in poultry nutrition, an important role is played by bioactive substances, including prebiotics. The beneficial effect of these bioactive substances on the gastrointestinal tract and immune system give rise to improvements in broiler health and performance nutrition, thus increasing the productivity of these birds. An innovative method for introducing bioactive substances into chickens is the in ovo injection into eggs intended for hatching...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28533753/age-related-assessment-of-sugar-and-protein-intake-of-ceratitis-capitata-in-ad-libitum-conditions-and-modeling-its-relation-to-reproduction
#13
Nikos A Kouloussis, Petros T Damos, Charalambos S Ioannou, Constantinos Tsitsoulas, Nikos T Papadopoulos, David Nestel, Dimitris S Koveos
In the inquiry on the age related dietary assessment of an organism, knowledge of the distributional patterns of food intake throughout the entire life span is very important, however, age related nutritional studies often lack robust feeding quantification methods due to their limitations in obtaining short-term food-intake measurements. In this study, we developed and standardized a capillary method allowing precise life-time measurements of food consumption by individual adult medflies, Ceratitis capitata (Diptera: Tephritidae), under laboratory conditions...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28533412/extraordinarily-rapid-speciation-in-a-marine-fish
#14
Paolo Momigliano, Henri Jokinen, Antoine Fraimout, Ann-Britt Florin, Alf Norkko, Juha Merilä
Divergent selection may initiate ecological speciation extremely rapidly. How often and at what pace ecological speciation proceeds to yield strong reproductive isolation is more uncertain. Here, we document a case of extraordinarily rapid speciation associated with ecological selection in the postglacial Baltic Sea. European flounders (Platichthys flesus) in the Baltic exhibit two contrasting reproductive behaviors: pelagic and demersal spawning. Demersal spawning enables flounders to thrive in the low salinity of the Northern Baltic, where eggs cannot achieve neutral buoyancy...
May 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28532835/effect-of-cholesterol-loaded-cyclodextrin-supplementation-on-tyrosine-phosphorylation-and-apoptosis-like-changes-in-frozen-thawed-hariana-bull-spermatozoa
#15
Hanuman P Yadav, Anuj Kumar, Nadeem Shah, Dharmendra S Chauhan, Atul Saxena, Sarvajeet Yadav, Dilip Kumar Swain
The beneficial effects of cholesterol loaded cyclodextrin (CLC) addition were evaluated in cryopreserved bull semen. Forty ejaculates were collected from Hariana bulls (n = 4), pooled and divided into 4 aliquots. All the aliquots were initially diluted in to egg yolk tris citrate and supplemented with CLC @ 0.5 mg (Group-II), 1.0 mg (G-III) and 2.0 mg (G-IV) CLC/120 × 10(6) spermatozoa or without CLC (G-I) that served as control. Extended semen was cryopreserved at -196 °C for 24 h. Seminal attributes like motility, viability, cryocapacitation like changes, tyrosine phosphorylation, apoptosis like changes in terms of mitochondrial transmembrane potential and DNA integrity were evaluated after equilibration and thawing...
July 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28532517/expression-of-cocaine-and-amphetamine-regulated-transcript-cart-in-hen-ovary
#16
Pengfei Li, Xuejing Yu, Jianshan Xie, Xiaolei Yao, Wenzhong Liu, Jianbo Yao, Zhiwei Zhu, Lihua Lyu
BACKGROUND: Cocaine- and amphetamine-regulated transcript (CART), discovered initially by via differential display RT-PCR analysis of brains of rats administered cocaine, is expressed mainly in central nervous system or neuronal origin cells, and is involved in a wide range of behaviors, such as regulation of food intake, energy homeostasis, and reproduction. The hens egg-laying rate mainly depends on the developmental status of follicles, expression of CART have not been identified from hen follicles, the regulatory mechanisms of CART biological activities are still unknown...
May 22, 2017: Biological Research
https://www.readbyqxmd.com/read/28532427/microrna-275-and-its-target-vitellogenin-2-are-crucial-in-ovary-development-and-blood-digestion-of-haemaphysalis-longicornis
#17
Jiawei Hao, Jin Luo, Ze Chen, Qiaoyun Ren, Jinxia Guo, Xiaocui Liu, Qiuyu Chen, Feng Wu, Zhen Wang, Jianxun Luo, Hong Yin, Hui Wang, Guangyuan Liu
BACKGROUND: The hard tick Haemaphysalis longicornis is widely distributed in eastern Asia, New Zealand and Australia and is considered the major vector of Theileria and Babesia, harmful parasites to humans and animals. Female ticks need successful blood meals to complete the life-cycle. Therefore, elucidation of the underlying molecular mechanisms of H. longicornis development and reproduction is considered important for developing control strategies against the tick and tick-borne pathogens...
May 22, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28532413/dietary-habits-oral-impact-on-daily-performance-and-type-2-diabetes-a-matched-case-control-study-from-sudan
#18
Hasaan G Mohamed, Kamal Mustafa, Salah O Ibrahim, Anne N Åstrøm
BACKGROUND: It is evident that social and behavioural factors influence on individuals' general health and quality of life. Nevertheless, information about the influence of dietary habits on oral health-related quality of life is limited; especially among patients with type 2 diabetes (T2D). The aim of this study was to examine the influence of dietary habits and clinical oral health indicators on oral health-related quality of life in individuals with and without T2D. METHODS: A total of 149 T2D cases and 298 controls were recruited for this age and gender matched case-control study...
May 22, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/28532402/antiviral-activity-of-phenanthrenes-from-the-medicinal-plant-bletilla-striata-against-influenza-a-virus
#19
Ya Shi, Bing Zhang, Yiyu Lu, Chaodong Qian, Yan Feng, Liwei Fang, Zhishan Ding, Dongqing Cheng
BACKGROUND: Influenza represents a serious public health concern. The emergence of resistance to anti-influenza drugs underlines the need to develop new drugs. This study aimed to evaluate the anti-influenza viral activity and possible mechanisms of 12 phenanthrenes from the medicinal plant Bletilla striata (Orchidaceae family). METHODS: Twelve phenanthrenes were isolated and identified from B. striata. Influenza virus A/Sydney/5/97 (H3N2) propagated in embryonated chicken eggs was used...
May 22, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28532295/resistance-to-a-triple-combination-anthelmintic-in-trichostrongylus-spp-on-a-commercial-sheep-farm-in-new-zealand
#20
Bas Hodgson, C J Mulvaney
AIM: To evaluate anthelmintic resistance to anthelmintics containing abamectin, levamisole, and oxfendazole (AB-LEV-OX), derquantal and abamectin (DEQ-AB), moxidectin, and monepantel in naturally acquired gastrointestinal nematodes present on a sheep farm. METHODS: A faecal nematode egg count reduction test (FECRT) was carried out on lambs that were approximately 7 months-old and infected with naturally acquired nematodes. Lambs were randomly allocated to one of five groups (n=15 per group): treatment with 2 mg/kg derquantel and 0...
May 22, 2017: New Zealand Veterinary Journal
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