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https://www.readbyqxmd.com/read/28806748/temperature-effects-on-gene-expression-and-morphological-development-of-european-eel-anguilla-anguilla-larvae
#1
Sebastian N Politis, David Mazurais, Arianna Servili, Jose-Luis Zambonino-Infante, Joanna J Miest, Sune R Sørensen, Jonna Tomkiewicz, Ian A E Butts
Temperature is important for optimization of rearing conditions in aquaculture, especially during the critical early life history stages of fish. Here, we experimentally investigated the impact of temperature (16, 18, 20, 22 and 24°C) on thermally induced phenotypic variability, from larval hatch to first-feeding, and the linked expression of targeted genes [heat shock proteins (hsp), growth hormone (gh) and insulin-like growth factors (igf)] associated to larval performance of European eel, Anguilla anguilla...
2017: PloS One
https://www.readbyqxmd.com/read/28806546/parental-exposure-to-bisphenol-a-and-its-analogs-influences-zebrafish-offspring-immunity
#2
Xing Dong, Zhen Zhang, Shunlong Meng, Chenyuan Pan, Ming Yang, Xiangyang Wu, Liuqing Yang, Hai Xu
Transgenerational effects of environmental pollutants on humans and animals are complex. Thus, we used zebrafish to evaluate the effects of parental whole-life cycle exposure to bisphenol A and its analogs (bisphenol S and F) on offspring innate immunity. At adulthood, offspring were examined with/without continued chemicals treatment until 72h post-fertilization (hpf). To measure offspring immune function, larvae at 72 hpf were expose for 24h with/without the viral mimic polyinosinic-cytidylic acid (Poly I:C) or the bacterial mimic Pam3Cys-Ser-Lys4 (PAM3CSK4)...
August 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28805928/effects-of-dietary-fish-oil-supplementation-on-performance-meat-quality-and-cecal-fermentation-of-growing-rabbits
#3
M Rodríguez, M D Carro, V Valiente, N Formoso-Rafferty, P G Rebollar
The objective of this study was to investigate the effect of dietary supplementation with fish oil on growth performance (during all fatening period), carcass characteristics and fatty acid (FA) profile of muscle and fat tissues (at slaughter), as well as cecal fermentation and ileal mucosa morphology of growing rabbits (at 30, 45, and 60 d of age). Two isonitrogenous and isoenergetic diets, only differing in their fat source, were formulated and provided each to 24 does (12 per diet) and their offspring during pregnancy and lactation...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805909/genomewide-association-study-for-production-and-meat-quality-traits-in-canchim-beef-cattle
#4
G G Santiago, F Siqueira, F F Cardoso, L C A Regitano, R Ventura, B P Sollero, M D Souza, F B Mokry, A B R Ferreira, R A A Torres
The commercial value of the bovine carcass is determined by a set of traits, such as weight, yield, back fat thickness, and marbling; therefore, the genetic improvement of growth, meat, and carcass quality traits is an important tool to add value to the supply chain. Genomewide association studies (GWAS) enable the identification of loci that control phenotypic expression of quantitative traits (QTL). Therefore, the objective of this work was to perform a GWAS to identify genomic regions and genes associated with growth, carcass traits, and meat quality in Canchim beef cattle...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805904/higher-dominance-position-does-not-result-in-higher-reproductive-success-in-female-beef-cattle
#5
R Šárová, M Špinka, F Ceacero
The aim of this study was to investigate whether beef cows that achieve higher dominance status than their age-mates have prolonged reproductive life, increased number of offspring born and weaned, and/or heavier BW of the offspring. We also assessed whether maternal dominance rank affects the offspring sex ratio. We recorded data on 309 potential deliveries of female beef cows with known dominance status in a seasonally pastured herd over a 14-yr period and linked them with yearly records of dominance status of the cows assessed around feeding...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805044/nm%C3%AF-improved-re-implementation-of-nm-a-software-for-estimating-gene-dispersal-and-mating-patterns
#6
Igor J Chybicki
This paper introduces the NMπ computer program designed for estimation of plant mating system and seed and pollen dispersal kernels. NMπ is a re-implementation of the NM+ program and provides new features such as support for multi-core processors, explicit treatment of dioecy, the possibility of incorporating uniparentally cytoplasmic markers, the possibility of assessing assortative mating due to phenotypic similarity and inference about offspring genealogies. The probability model of parentage (the neighborhood model) accounts for missing data and genotyping errors, which can be estimated along with regular parameters of the mating system...
August 14, 2017: Molecular Ecology Resources
https://www.readbyqxmd.com/read/28804966/associations-of-parental-alcohol-use-disorders-and-parental-separation-with-offspring-initiation-of-alcohol-cigarette-and-cannabis-use-and-sexual-debut-in-high-risk-families
#7
Vivia V McCutcheon, Arpana Agrawal, Sally I-Chun Kuo, Jinni Su, Danielle M Dick, Jacquelyn L Meyers, Howard J Edenberg, John I Nurnberger, John R Kramer, Samuel Kuperman, Marc A Schuckit, Victor M Hesselbrock, Andrew Brooks, Bernice Porjesz, Kathleen K Bucholz
BACKGROUND AND AIMS: Parental alcohol use disorders (AUDs) and parental separation are associated with increased risk for early use of alcohol in offspring, but whether they increase risks for early use of other substances and for early sexual debut is under-studied. We focused on associations of parental AUDs and parental separation with substance initiation and sexual debut to (1) test the strength of the associations of parental AUDs and parental separation with time to initiation (age in years) of alcohol, tobacco, and cannabis use, and sexual debut, and (2) compare the strength of association of parental AUD and parental separation with initiation...
August 13, 2017: Addiction
https://www.readbyqxmd.com/read/28804876/insulin-resistance-in-pregnant-women-with-and-without-polycystic-ovary-syndrome-and-measures-of-body-composition-in-offspring-at-birth-and-3-years-of-age
#8
Sara Kristín Finnbogadóttir, Dorte Glintborg, Tina Kold Jensen, Henriette Kyhl, Ellen A Nohr, Marianne Andersen
Polycystic ovary syndrome (PCOS) is associated with obesity and insulin resistance in the non-pregnant state, but little is known about insulin sensitivity in the pregnant state. Our objective was to compare insulin resistance in pregnant women with and without PCOS and explore the impact of PCOS on body composition in offspring at birth and at 3 years of age MATERIAL AND METHODS: A prospective cohort study including 2548 live born singleton mother-child pairs residing in Odense municipality, Denmark, during 2010-2013...
August 14, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28803872/parallel-trajectories-of-genetic-and-linguistic-admixture-in-a-genetically-admixed-creole-population
#9
Paul Verdu, Ethan M Jewett, Trevor J Pemberton, Noah A Rosenberg, Marlyse Baptista
Joint analyses of genes and languages, both of which are transmitted in populations by descent with modification-genes vertically by Mendel's laws, language via combinations of vertical, oblique, and horizontal processes [1-4]-provide an informative approach for human evolutionary studies [5-10]. Although gene-language analyses have employed extensive data on individual genetic variation [11-23], their linguistic data have not considered corresponding long-recognized [24] variability in individual speech patterns, or idiolects...
August 8, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28803857/mapping-of-quantitative-trait-loci-for-temporal-growth-and-age-at-maturity-in-coho-salmon-evidence-for-genotype-by-sex-interactions
#10
Miyako Kodama, Jeffrey J Hard, Kerry A Naish
Phenotypic differences between males and females are ubiquitous throughout the animal kingdom. Therefore, investigating the extent to which sex-dependent genetic effects contribute to phenotypic variation is important in understanding the evolutionary response of each sex to natural and artificial selection. Sex-specific differences in growth patterns and age at sexual maturity have been observed in a number of anadromous salmonid fishes. In these species, faster growing individuals in a given cohort often mature earlier than conspecifics, and earlier maturing individuals are often males...
August 10, 2017: Marine Genomics
https://www.readbyqxmd.com/read/28803196/prenatal-exposure-to-dioxin-like-compounds-is-associated-with-decreased-cord-blood-ige-and-increased-risk-of-wheezing-in-children-aged-up-to-7years-the-hokkaido-study
#11
Chihiro Miyashita, Yu Ait Bamai, Atsuko Araki, Sachiko Itoh, Machiko Minatoya, Sumitaka Kobayashi, Jumboku Kajiwara, Tsuguhide Hori, Reiko Kishi
INTRODUCTION: In utero exposure to dioxin-like compounds (DLCs) may cause imbalance of immune development in early infancy. However, there are few epidemiological studies into the effects of in utero exposure to DLCs on allergies and infections during childhood. This study evaluates associations between concentrations of maternal DLCs and cord blood immunoglobulin (Ig) E, as well as allergies and infections during childhood. METHOD: We recruited 514 pregnant women in a maternity hospital in Sapporo, Japan, and measured concentrations of DLCs in 426 maternal blood samples using high-resolution gas chromatography/high-resolution mass spectrometry...
August 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28802820/attenuated-psychotic-symptoms-in-children-and-adolescent-offspring-of-patients-with-schizophrenia
#12
Ana Noguera, Josefina Castro-Fornieles, Soledad Romero, Elena de la Serna, Gisela Sugranyes, Vanessa Sánchez-Gistau, Dolores Moreno, Covadonga M Díaz-Caneja, Jessica Merchán-Naranjo, Cloe Llorente, Inmaculada Baeza
No abstract text is available yet for this article.
August 9, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28802026/reversible-immune-abnormality-and-regulatory-t-cells-in-offspring-of-der-p-1-exposed-female-mice
#13
Lu Tan, Zezhang Tao, Yonggang Kong, Yu Xu
BACKGROUND: Maternal allergic diseases have an important influence on the origin of allergic rhinitis (AR) in offspring, but the mechanism and the duration of the maternal effect are unknown. Previous researches prompted the important roles of Tregs and Foxp3 DNA methylation in the development of allergic diseases. OBJECTIVE: To investigate the immune state and Tregs in the offspring of Der p 1-exposed female mice. METHOD: BALB/c female mice were exposed to Der p1 to construct the mouse AR model, then mated with normal male mice...
August 8, 2017: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/28801981/pregnancy-outcomes-in-mothers-of-offspring-with-inherited-bone-marrow-failure-syndromes
#14
Neelam Giri, Helen D Reed, Pamela Stratton, Sharon A Savage, Blanche P Alter
BACKGROUND: Children with inherited bone marrow failure syndromes (IBMFSs) may be symptomatic in utero, resulting in maternal and fetal problems during the pregnancy. Subsequent pregnancies by their mothers should be considered "high risk". METHODS: We retrospectively analyzed outcomes of 575 pregnancies in 165 unaffected mothers of offspring with Fanconi anemia (FA), dyskeratosis congenita (DC), Diamond-Blackfan anemia (DBA), and Shwachman-Diamond syndrome (SDS) for events noted during pregnancy, labor, and delivery...
August 12, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28801621/efficient-generation-of-conditional-knockout-mice-via-sequential-introduction-of-lox-sites
#15
Takuro Horii, Sumiyo Morita, Mika Kimura, Naomi Terawaki, Mihiro Shibutani, Izuho Hatada
Conditional knockout using Cre/lox is essential for functional analysis of genes. CRISPR/Cas in combination with two sets of guide RNAs and a single-stranded oligonucleotide enables simultaneous insertion of two lox sequences. However, this method induces double-strand breaks at two sites on the same chromosome, which causes an undesirable chromosomal deletion and reduces the flanked lox (flox) rate. To solve this problem, we investigated a method that sequentially introduces each lox sequence at the 1-cell and 2-cell embryonic stages, respectively...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801545/cardiotoxicity-and-mechanism-of-particulate-matter-2-5-pm2-5-exposure-in-offspring-rats-during-pregnancy
#16
Hongling Wang, Xiangwen Peng, Fenglin Cao, Ying Wang, Huijie Shi, Shuai Lin, Weijie Zhong, Jingxia Sun
BACKGROUND The aim of this study was to investigate the cardiotoxicity and mechanism of particulate matter 2.5 (PM2.5) exposure on offspring rats during pregnancy. MATERIAL AND METHODS Wistar rats were used to establish a PM2.5 exposure animal model during pregnancy, and they were divided into a control group, a low-dose group, a middle-dose group, and a high-dose group according to PM2.5 exposure dose. The pathological changes of heart tissue, the rate of myocardial cell apoptosis, the levels of LDH, AST, and CM-KB in serum, and the difference in mitochondrial fusion genes (OPA1 and Mfn1) and mitochondrial genes (Drp1 and Fis1) were compared among groups...
August 12, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28799801/cross-generational-effects-of-alcohol-dependence-in-humans-on-hras-and-tp53-methylation-in-offspring
#17
Shirley Y Hill, Gregory Rompala, Gregg E Homanics, Nicholas Zezza
AIM: We hypothesized that cross-generational effects of alcohol exposure could alter DNA methylation and expression of the HRAS oncogene and TP53 tumor suppressor gene that drive cancer development. METHODS: DNA methylation of the HRAS and TP53 genes was tested in samples from young participants (Mean age of 13.4 years). RESULTS: Controlling for both personal use and maternal use of substances during pregnancy, familial alcohol dependence was associated with hypomethylation of CpG sites in the HRAS promoter region and hypermethylation of the TP53 gene...
August 11, 2017: Epigenomics
https://www.readbyqxmd.com/read/28799493/association-between-apo-b-levels-in-mothers-and-in-their-pre-school-age-offspring
#18
Valeria Hirschler, Maximiliano Maximiliano Martin, Karen Oestreicher, Claudia Molinari, Laura Boero, Tetzlaff Walter, Fernando Brites
OBJECTIVE: To determine the association between apo B levels in mothers and their pre-school offspring. METHODS: BMI, lipids, and apo B levels were obtained in mothers and their children in November 2015 in Buenos Aires. RESULTS: Eighty-four children (42M) aged 5.3±1.6 years and their mothers aged 33.8±7.2 years were examined. The prevalence of overweight was 39.2% (33) in mothers and 22.6%(19) in children, and the prevalence of obesity was 38...
August 11, 2017: Cardiovascular & Hematological Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28798724/vasopressin-and-oxytocin-reduce-food-sharing-behavior-in-male-but-not-female-marmosets-in-family-groups
#19
Jack H Taylor, Allison A Intorre, Jeffrey A French
Oxytocin (OT) is critical for lactation and maternal care, but OT and the related nonapeptide vasopressin are important for caregiving behaviors in fathers and alloparents as well. This experiment tested the effects of vasopressin and OT on food sharing in marmoset families. We treated caregivers (parents, siblings) with intranasal vasopressin, OT, or saline, and then paired them with the youngest marmoset in the family. Caregivers were given preferred food, and then observed for food sharing and aggressive behavior with young marmosets...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28798692/change-in-the-lipid-transport-capacity-of-the-liver-and-blood-during-reproduction-in-rats
#20
Yufeng Zhang, Christine Kallenberg, Hayden W Hyatt, Andreas N Kavazis, Wendy R Hood
To support the high energetic demands of reproduction, female mammals display plasticity in many physiological processes, such as the lipid transport system. Lipids support the energy demands of females during reproduction, and energy and structural demands of the developing offspring via the placenta in utero or milk during the suckling period. We hypothesized that key proteins supporting lipid transport in reproductive females will increase during pregnancy and lactation, but drop to non-reproductive levels shortly after reproduction has ended...
2017: Frontiers in Physiology
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