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https://www.readbyqxmd.com/read/27925408/application-of-single-step-genomic-best-linear-unbiased-prediction-with-a-multiple-lactation-random-regression-test-day-model-for-japanese-holsteins
#1
Toshimi Baba, Yusaku Gotoh, Satoshi Yamaguchi, Satoshi Nakagawa, Hayato Abe, Yutaka Masuda, Takayoshi Kawahara
This study aimed to evaluate a validation reliability of single-step genomic best linear unbiased prediction (ssGBLUP) with a multiple-lactation random regression test-day model and investigate an effect of adding genotyped cows on the reliability. Two data sets for test-day records from the first three lactations were used: full data from February 1975 to December 2015 (60 850 534 records from 2 853 810 cows) and reduced data cut off in 2011 (53 091 066 records from 2 502 307 cows). We used marker genotypes of 4480 bulls and 608 cows...
December 7, 2016: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/27925073/frequency-of-gastrointestinal-parasites-in-cats-seen-at-the-university-of-s%C3%A3-o-paulo-veterinary-hospital-brazil
#2
Solange Maria Gennari, Juliana Isabel Giuli da Silva Ferreira, Hilda Fátima de Jesus Pena, Marcelo Bahia Labruna, Sérgio Dos Santos Azevedo
The frequency of gastrointestinal infections in 502 cats seen at the Veterinary Hospital of the University of São Paulo, SP, Brazil, between 2005 and 2014, was measured. The samples were analyzed using methods of flotation and sedimentation. The results were compared with those from studies published previously using fecal samples from the same hospital at different times. Associations between the frequency of positivity for each parasite and age, breed, sex, diarrhea and use of anthelmintic were investigated (chi-square or Fisher's exact tests)...
December 1, 2016: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/27924126/utilization-of-in-silico-est-ssr-markers-for-diversity-studies-in-castor-ricinus-communis-l
#3
Ramesh Thatikunta, A Siva Sankar, J Sreelakshmi, Gouthami Palle, C Leela, Ch V Durga Rani, V Gouri Shankar, B Lavanya, P Narayana Reddy, M Y Dudhe
Castor (Ricinus communis L.) a chief non-edible oilseed crop has numerous industrial applications. Systematic genetic diversity analysis utilizing DNA based markers has been quick and reliable method that ensures selection of diverse parents for exploitation of higher levels of heterosis in breeding programs. From NCBI database, 63,852 EST sequences of castor were mined. One thousand one hundred and five (1105) EST-SSRs and 1652 repeat motifs sequences were identified from 20,495 non-redundant unigene sequences...
October 2016: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/27920979/transcript-profiling-in-the-milk-of-dairy-ewes-fed-extruded-linseed
#4
Tommaso Giordani, Alberto Vangelisti, Giuseppe Conte, Andrea Serra, Lucia Natali, Annamaria Ranieri, Marcello Mele, Andrea Cavallini
The identification of genes regulating milk secretion by mammary glands is a key-step for exploiting changes in milk composition induced by different diet regimens. Linseed supplementation is a reliable feeding strategy to enhance polyunsaturated fatty acid content in milk fat from sheep, increasing milk quality and nutraceutical value. To investigate the molecular bases of diet induced differences in milk composition, we collected milk from dairy ewes at 90 day of lactation and after 3 weeks of diet supplementation with extruded linseed...
March 2017: Genomics Data
https://www.readbyqxmd.com/read/27920780/genome-enabled-prediction-models-for-yield-related-traits-in-chickpea
#5
Manish Roorkiwal, Abhishek Rathore, Roma R Das, Muneendra K Singh, Ankit Jain, Samineni Srinivasan, Pooran M Gaur, Bharadwaj Chellapilla, Shailesh Tripathi, Yongle Li, John M Hickey, Aaron Lorenz, Tim Sutton, Jose Crossa, Jean-Luc Jannink, Rajeev K Varshney
Genomic selection (GS) unlike marker-assisted backcrossing (MABC) predicts breeding values of lines using genome-wide marker profiling and allows selection of lines prior to field-phenotyping, thereby shortening the breeding cycle. A collection of 320 elite breeding lines was selected and phenotyped extensively for yield and yield related traits at two different locations (Delhi and Patancheru, India) during the crop seasons 2011-12 and 2012-13 under rainfed and irrigated conditions. In parallel, these lines were also genotyped using DArTseq platform to generate genotyping data for 3000 polymorphic markers...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27919804/prevalence-of-giardia-duodenalis-assemblages-and-sub-assemblages-in-symptomatic-patients-from-damascus-city-and-its-suburbs
#6
Dania Skhal, Ghalia Aboualchamat, Ayman Al Mariri, Samar Al Nahhas
Giardia duodenalis is one of the most important human enteric parasites worldwide and is endemic throughout the world with a vast range of mammalian hosts. However, there is limited information on the prevalent genetic variability of G. duodenalis in Syria. This study aimed to evaluate the predominance of G. duodenalis assemblages/sub-assemblages causing humans infection in the city of Damascus and its suburbs. 40 symptomatic giardiasis patients were recruited in this study. Fecal samples were genotyped using PCR/RFLP assay targeting the β-giardin and glutamate dehydrogenase (gdh) genes...
December 2, 2016: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/27919305/a-new-model-for-parent-of-origin-effect-analyses-applied-to-brown-swiss-cattle-slaughterhouse-data
#7
I Blunk, M Mayer, H Hamann, N Reinsch
Genomic imprinting is a phenomenon that arises when the expression of genes depends on the parental origin of alleles. Epigenetic mechanisms may induce the full or partial suppression of maternal or paternal alleles, thereby leading to different types of imprinting. However, imprinting effects have received little consideration in animal breeding programmes, although their relevance to some agricultural important traits has been demonstrated. A recently proposed model (imprinting model) with two path-of-transmission (male and female)-specific breeding values for each animal accounts for all types of imprinting simultaneously (paternal, maternal, full and partial)...
December 6, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/27919228/antimicrobial-activity-and-safety-evaluation-of-peptides-isolated-from-the-hemoglobin-of-chickens
#8
Fengjiao Hu, Qiaoxing Wu, Shuang Song, Ruiping She, Yue Zhao, Yifei Yang, Meikun Zhang, Fang Du, Majid Hussain Soomro, Ruihan Shi
BACKGROUND: Hemoglobin is a rich source of biological peptides. As a byproduct and even wastewater of poultry-slaughtering facilities, chicken blood is one of the most abundant source of hemoglobin. RESULTS: In this study, the chicken hemoglobin antimicrobial peptides (CHAP) were isolated and the antimicrobial and bactericidal activities were tested by the agarose diffusion assay, minimum inhibitory concentration (MIC) analysis, minimal bactericidal concentration (MBC) analysis, and time-dependent inhibitory and bactericidal assays...
December 5, 2016: BMC Microbiology
https://www.readbyqxmd.com/read/27919166/phytochemical-profiles-and-antioxidant-activity-of-27-cultivars-of-tea
#9
Liang Zeng, Liyong Luo, Hongjun Li, Ruihai Liu
Tea, rich in phytochemicals, has been suggested to have human health benefits. The phenolic profiles, antioxidant and antiproliferative activities of 27 tea cultivars were determined. Wide ranges of variation were found in analyzed cultivars for the contents of water-soluble phenolics (121.6-223.7 mg/g dry weight (DW)), total catechins (TC) (90.5-177.2 mg/g DW), antioxidant activities (PSC values 627.3-2332.3 μmol of vitamin C equiv/g DW, ORAC values (1865.1-3489.3 μmol of vitamin C equiv/g DW), CAA values (37...
December 5, 2016: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/27917542/genomic-evaluation-of-regional-dairy-cattle-breeds-in-single-breed-and-multibreed-contexts
#10
D Jónás, V Ducrocq, S Fritz, A Baur, M-P Sanchez, P Croiseau
An important prerequisite for high prediction accuracy in genomic prediction is the availability of a large training population, which allows accurate marker effect estimation. This requirement is not fulfilled in case of regional breeds with a limited number of breeding animals. We assessed the efficiency of the current French routine genomic evaluation procedure in four regional breeds (Abondance, Tarentaise, French Simmental and Vosgienne) as well as the potential benefits when the training populations consisting of males and females of these breeds are merged to form a multibreed training population...
December 4, 2016: Journal of Animal Breeding and Genetics, Zeitschrift Für Tierzüchtung und Züchtungsbiologie
https://www.readbyqxmd.com/read/27915075/building-the-case-for-a-novel-teleost-model-of-non-breeding-aggression-and-its-neuroendocrine-control
#11
Laura Quintana, Lucía Zubizarreta, Cecilia Jalabert, Gervasio Batista, Rossana Perrone, Ana Silva
In vertebrates, aggression has been traditionally associated with high levels of circulating androgens in breeding males. Nevertheless, the centrality of androgens as primary modulators of aggression is being reconsidered in at least in two particular cases: 1) territorial aggression outside the breeding season, and 2) aggression by females. We are developing the weakly electric fish, Gymnotus omarorum, as a novel, advantageous model system to address these two alternative forms of aggression. This species displays a short, escalated contest, after which a clear hierarchical status emerges...
November 30, 2016: Journal of Physiology, Paris
https://www.readbyqxmd.com/read/27913617/evaluating-sequence-based-genomic-prediction-with-an-efficient-new-simulator
#12
Miguel Pérez-Enciso, Natalia Forneris, Gustavo de Los Campos, Andrés Legarra
The vast amount of sequence data to analyze complex traits is posing new challenges in terms of analysis and interpretation of the results. Although simulation is a fundamental tool to investigate the reliability of genomic analyses and to optimize experimental design, existing software cannot simulate complete genomes realistically. To remedy this, we have developed a new strategy (Sequence Based Virtual Breeding, SBVB) that consists of using real sequence data and simulating new offspring genomes and phenotypes in a very efficient and flexible manner...
December 2, 2016: Genetics
https://www.readbyqxmd.com/read/27911482/meat-quality-and-intramuscular-fatty-acid-composition-of-catria-horse
#13
Maria Federica Trombetta, Francesco Nocelli, Marina Pasquini
In order to extend scientific knowledge on autochthonous Italian equine meat, the physical-chemical parameters of Catria Horse Longissimus thoracis (LT) muscle and its nutritional characteristics have been investigated. Ten steaks of Catria foal raised at pasture and fattened indoors for 2 months were dissected, and LT muscle was analyzed for chemical composition, total iron, drip loss, colorimetric characteristics, intramuscular fat, fatty acid profile and nutritional indexes. Steak dissection showed that LT muscle accounted for 36...
December 2, 2016: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/27907263/seasonal-patterns-in-%C3%AE-2-h-values-of-multiple-tissues-from-andean-birds-provide-insights-into-elevational-migration
#14
Mariana Villegas, Seth D Newsome, John G Blake
Elevational migration is a widespread phenomenon in tropical avifauna but it is difficult to identify using traditional approaches. Hydrogen isotope (δ(2) H) values of precipitation decrease with elevation so δ(2) H analysis of multiple bird tissues with different isotopic incorporation rates may be a reliable method for characterizing seasonal elevational migration. Here we compare δ(2) H values in metabolically inert (feathers and claws) and metabolically active (whole blood) tissues to examine whether an upslope migration occurs prior to the breeding season in the Yungas Manakin (Chiroxiphia boliviana)...
December 2016: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/27907262/potential-breeding-distributions-of-u-s-birds-predicted-with-both-short-term-variability-and-long-term-average-climate-data
#15
Brooke L Bateman, Anna M Pidgeon, Volker C Radeloff, Curtis H Flather, Jeremy VanDerWal, H Resit Akçakaya, Wayne E Thogmartin, Thomas P Albright, Stephen J Vavrus, Patricia J Heglund
Climate conditions, such as temperature or precipitation, averaged over several decades strongly affect species distributions, as evidenced by experimental results and a plethora of models demonstrating statistical relations between species occurrences and long-term climate averages. However, long-term averages can conceal climate changes that have occurred in recent decades and may not capture actual species occurrence well because the distributions of species, especially at the edges of their range, are typically dynamic and may respond strongly to short-term climate variability...
December 2016: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/27905090/marker-assisted-breeding-of-the-rice-restorer-line-wanhui-6725-for-disease-resistance-submergence-tolerance-and-aromatic-fragrance
#16
Yanchang Luo, Tingchen Ma, Aifang Zhang, Kar Hui Ong, Zefu Li, Jianbo Yang, Zhongchao Yin
BACKGROUND: Rice is a staple food crop in the world. With the increase in world population and economic development, farmers need to produce more rice in limited field. However, the rice production is frequently affected by biotic and abiotic stresses. The use of natural disease resistance and stress tolerance through genetic breeding is the most efficient and economical way to combat or acclimate to these stresses. In addition, rice with aromatic fragrance can significantly increase market value for its good grain quality...
December 2016: Rice
https://www.readbyqxmd.com/read/27902803/alphasim-software-for-breeding-program-simulation
#17
Anne-Michelle Faux, Gregor Gorjanc, R Chris Gaynor, Mara Battagin, Stefan M Edwards, David L Wilson, Sarah J Hearne, Serap Gonen, John M Hickey
This paper describes AlphaSim, a software package for simulating plant and animal breeding programs. AlphaSim enables the simulation of multiple aspects of breeding programs with a high degree of flexibility. AlphaSim simulates breeding programs in a series of steps: (i) simulate haplotype sequences and pedigree; (ii) drop haplotypes into the base generation of the pedigree and select single-nucleotide polymorphism (SNP) and quantitative trait nucleotide (QTN); (iii) assign QTN effects, calculate genetic values, and simulate phenotypes; (iv) drop haplotypes into the burn-in generations; and (v) perform selection and simulate new generations...
November 2016: Plant Genome
https://www.readbyqxmd.com/read/27902800/aghmatrix-r-package-to-construct-relationship-matrices-for-autotetraploid-and-diploid-species-a-blueberry-example
#18
Rodrigo R Amadeu, Catherine Cellon, James W Olmstead, Antonio A F Garcia, Marcio F R Resende, Patricio R Muñoz
Progress in the rate of improvement in autopolyploid species has been limited compared with diploids, mainly because software and methods to apply advanced prediction and selection methodologies in autopolyploids are lacking. The objectives of this research were to (i) develop an R package for autopolyploids to construct the relationship matrix derived from pedigree information that accounts for autopolyploidy and double reduction and (ii) use the package to estimate the level and effect of double reduction in an autotetraploid blueberry breeding population with extensive pedigree information...
November 2016: Plant Genome
https://www.readbyqxmd.com/read/27902747/joint-profiling-of-mirnas-and-mrnas-reveals-mirna-mediated-gene-regulation-in-the-g%C3%A3-ttingen-minipig-obesity-model
#19
Caroline M Junker Mentzel, Ferhat Alkan, Helle Keinicke, Mette J Jacobsen, Jan Gorodkin, Merete Fredholm, Susanna Cirera
Obesity and its comorbidities are an increasing challenge for both affected individuals and health care systems, worldwide. In obese individuals, perturbation of expression of both protein-coding genes and microRNAs (miRNA) are seen in obesity-relevant tissues (i.e. adipose tissue, liver and skeletal muscle). miRNAs are small non-coding RNA molecules which have important regulatory roles in a wide range of biological processes, including obesity. Rodents are widely used animal models for human diseases including obesity...
2016: PloS One
https://www.readbyqxmd.com/read/27899075/thermal-sensitivity-of-growth-indicates-heritable-variation-in-1-year-old-rainbow-trout-oncorhynchus-mykiss
#20
Matti Janhunen, Juha Koskela, Nguyễn Hữu Ninh, Harri Vehviläinen, Heikki Koskinen, Antti Nousiainen, Ngô Phú Thỏa
BACKGROUND: Rainbow trout is an important aquaculture species, which has a worldwide distribution across various production environments. The diverse locations of trout farms involve remarkable variation in environmental factors such as water temperature, which is of major importance for the performance of fish. Thus, robust fish that could thrive under different and suboptimal thermal conditions is a desirable goal for trout breeding. Using a split-family experimental design (40 full-/half-sib groups) for a rainbow trout population derived from the Finnish national breeding program, we studied how two different rearing temperatures (14 and 20 °C) affect feed intake, growth rate and feed conversion ratio in 1-year-old fish...
November 29, 2016: Genetics, Selection, Evolution: GSE
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