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Journal of Applied Genetics

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https://www.readbyqxmd.com/read/28624900/the-cre-inducer-doxycycline-lowers-cytokine-and-chemokine-transcript-levels-in-the-gut-of-mice
#1
Axel Kornerup Hansen, Sara Astrup Malm, Stine B Metzdorff
The antibiotic doxycycline is used as an inducer of recombinase (cre)-based conditional gene knockout in mice, which is a common tool to show the effect of disrupted gene functions only in one period of a research animal's life. However, other types of such antibiotics have been shown to have a strong impact on the immune system. Here we show that in C57BL/6 mice, the most commonly applied strain for genetic modification, doxycycline treatment lowered transcription of the genes Il1b, Il10, Il18, Tnf, Cxcl1, and Cxcl2 in the ileum, and of the gene Il18 in colon...
June 18, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28577124/association-mapping-to-discover-significant-marker-trait-associations-for-resistance-against-fusarium-wilt-variant-2-in-pigeonpea-cajanus-cajan-l-millspaugh-using-ssr-markers
#2
Prakash G Patil, Jyotirmay Dubey, Abhishek Bohra, R K Mishra, P R Saabale, Alok Das, Meenal Rathore, N P Singh
Pigeonpea production is severely constrained by wilt disease caused by Fusarium udum. In the current study, we discover the putative genomic regions that control resistance response to variant 2 of fusarium wilt using association mapping approach. The association panel comprised of 89 diverse pigeonpea genotypes including seven varieties, three landraces and 79 germplasm lines. The panel was screened rigorously for 3 consecutive years (2013-14, 2014-15 and 2015-2016) against variant 2 in a wilt-sick field...
June 3, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28534314/rapid-molecular-sexing-of-three-spined-sticklebacks-gasterosteus-aculeatus-l-based-on-large-y-chromosomal-insertions
#3
Theo C M Bakker, Thomas Giger, Joachim G Frommen, Carlo R Largiadèr
There is a need for rapid and reliable molecular sexing of three-spined sticklebacks, Gasterosteus aculeatus, the supermodel species for evolutionary biology. A DNA region at the 5' end of the sex-linked microsatellite Gac4202 was sequenced for the X chromosome of six females and the Y chromosome of five males from three populations. The Y chromosome contained two large insertions, which did not recombine with the phenotype of sex in a cross of 322 individuals. Genetic variation (SNPs and indels) within the insertions was smaller than on flanking DNA sequences...
May 22, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28493051/erratum-to-genetic-analysis-of-four-european-huchen-hucho-hucho-linnaeus-1758-broodstocks-from-poland-germany-slovakia-and-ukraine-implication-for-conservation
#4
M Kucinski, D Fopp-Bayat, T Liszewski, V W Svinger, I Lebeda, R Kolman
No abstract text is available yet for this article.
May 10, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28488059/comparative-analysis-of-genetic-architectures-for-nine-developmental-traits-of-rye
#5
Piotr Masojć, P Milczarski, P Kruszona
Genetic architectures of plant height, stem thickness, spike length, awn length, heading date, thousand-kernel weight, kernel length, leaf area and chlorophyll content were aligned on the DArT-based high-density map of the 541 × Ot1-3 RILs population of rye using the genes interaction assorting by divergent selection (GIABDS) method. Complex sets of QTL for particular traits contained 1-5 loci of the epistatic D class and 10-28 loci of the hypostatic, mostly R and E classes controlling traits variation through D-E or D-R types of two-loci interactions...
May 9, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28470390/biallelic-mutations-in-cyp24a1-or-slc34a1-as-a-cause-of-infantile-idiopathic-hypercalcemia-iih-with-vitamin-d-hypersensitivity-molecular-study-of-11-historical-iih-cases
#6
Ewa Pronicka, Elżbieta Ciara, Paulina Halat, Agnieszka Janiec, Marek Wójcik, Elżbieta Rowińska, Dariusz Rokicki, Paweł Płudowski, Ewa Wojciechowska, Aldona Wierzbicka, Janusz B Książyk, Agnieszka Jacoszek, Martin Konrad, Karl P Schlingmann, Mieczysław Litwin
Idiopathic infantile hypercalcemia (IIH) is a mineral metabolism disorder characterized by severe hypercalcemia, failure to thrive, vomiting, dehydration, and nephrocalcinosis. The periodical increase in incidence of IIH, which occurred in the twentieth century in the United Kingdom, Poland, and West Germany, turned out to be a side effect of rickets over-prophylaxis. It was recently discovered that the condition is linked to two genes, CYP24A1 and SLC34A1. The aim of the study was to search for pathogenic variants of the genes in adult persons who were shortlisted in infancy as IIH caused by "hypersensitivity to vit...
May 3, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28382466/using-a-system-of-differential-equations-that-models-cattle-growth-to-uncover-the-genetic-basis-of-complex-traits
#7
Mateus Castelani Freua, Miguel Henrique de Almeida Santana, Ricardo Vieira Ventura, Luis Orlindo Tedeschi, José Bento Sterman Ferraz
The interplay between dynamic models of biological systems and genomics is based on the assumption that genetic variation of the complex trait (i.e., outcome of model behavior) arises from component traits (i.e., model parameters) in lower hierarchical levels. In order to provide a proof of concept of this statement for a cattle growth model, we ask whether model parameters map genomic regions that harbor quantitative trait loci (QTLs) already described for the complex trait. We conducted a genome-wide association study (GWAS) with a Bayesian hierarchical LASSO method in two parameters of the Davis Growth Model, a system of three ordinary differential equations describing DNA accretion, protein synthesis and degradation, and fat synthesis...
April 5, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28349380/a-new-assay-based-on-terminal-restriction-fragment-length-polymorphism-of-homocitrate-synthase-gene-fragments-for-candida-species-identification
#8
Kasjan Szemiako, Anna Śledzińska, Beata Krawczyk
Candida sp. have been responsible for an increasing number of infections, especially in patients with immunodeficiency. Species-specific differentiation of Candida sp. is difficult in routine diagnosis. This identification can have a highly significant association in therapy and prophylaxis. This work has shown a new application of the terminal restriction fragment length polymorphism (t-RFLP) method in the molecular identification of six species of Candida, which are the most common causes of fungal infections...
March 27, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28050760/identification-of-novel-candidate-genes-for-the-inverted-teat-defect-in-sows-using-a-genome-wide-marker-panel
#9
Helena Chalkias, Elisabeth Jonas, Lisa S Andersson, Magdalena Jacobson, Dirk Jan de Koning, Nils Lundeheim, Gabriella Lindgren
The number of functional teats is an important selection criterion in pig breeding. Inherited defects of the udder, such as the inverted teat, do have a considerable negative impact on the nursing ability of the sow. To investigate the genetic background of this defect and the number of functional teats in Swedish maternal lines, samples from 230 Yorkshire pigs were selected for genotyping using the PorcineSNP60K BeadChip (Illumina Inc.), each pig with at least one inverted teat was matched with one non-affected pig (fullsib or pairs with matching herd and gender)...
May 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/27966062/diversity-of-mitochondrial-dna-in-three-arabian-horse-strains
#10
S Almarzook, M Reissmann, G A Brockmann
Arabian horse registries classify Arabian horses based on their dam lineages into five main strains. To test the maternal origin of Syrian Arabian horses, 192 horses representing the three major strains Saglawi, Kahlawi, and Hamdani were sequenced for 353 bp of their mitochondrial displacement loop (D-loop) region. Sequencing revealed 28 haplotypes comprising 38 sequence variations. The haplotype diversity values were 0.95, 0.91, and 0.90 in Kahlawi, Hamdani, and Saglawi strains, respectively. The pair-wise population differentiation estimates (Fst) between strains were low, ranging between 0...
May 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/27924448/milk-protein-polymorphisms-and-casein-haplotypes-in-butana-cattle
#11
A Said Ahmed, S Rahmatalla, R Bortfeldt, D Arends, M Reissmann, G A Brockmann
Butana is a Bos indicus dairy cattle breed that is well adapted to the local environment of Sudan. The breed has been gradually declining in number due to breed substitution. Therefore, conservation and improvement strategies are required to maintain this breed. The aim of the present study was to assess genetic variation that is characteristic for Butana cattle in the milk protein genes CSN1S1, CSN2, CSN1S2, CSN3, LALBA, and LGB. In a first step, genomic DNA of five unrelated individuals was comparatively sequenced across all exon and flanking sequences...
May 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/27924447/associations-between-polymorphisms-in-the-nicd-domain-of-bovine-notch1-gene-and-growth-traits-in-chinese-qinchuan-cattle
#12
Mei Liu, Chenge Zhang, Xinsheng Lai, Jing Xue, Xianyong Lan, Chuzhao Lei, Yutang Jia, Hong Chen
NOTCH1 is one of the four mammalian Notch receptors, which is involved in the Notch signaling pathway. Specifically, NOTCH1 promotes the proliferation of myogenic precursor cells, and the NICD domain of NOTCH1 can impair regeneration of skeletal muscles. However, similar research on the bovine NOTCH1 gene is lacking. In this study, we detected the polymorphisms of the bovine NOTCH1 gene in a total of 448 individuals from Chinese Qinchuan cattle with DNA pooling, forced PCR-RFLP, and DNA sequencing methods. Five novel SNPs were identified within the NICD domain, and eight haplotypes comprising combinations of these five SNPs were studied as well...
May 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/27910062/plasma-and-saliva-mir-21-expression-in-colorectal-cancer-patients
#13
A A Sazanov, E V Kiselyova, A A Zakharenko, M N Romanov, M I Zaraysky
MicroRNA-21 (miR-21) expression was quantified by real-time qRT-PCR in peripheral blood and saliva samples obtained from patients diagnosed with colorectal cancer (CRC) of varying degrees of malignancy and healthy volunteers. All patients had adenocarcinoma located in the distal colon at different stages. Significant differences were detected between the control group and the total experimental group of CRC patients (plasma, P = 0.0001; saliva, P = 5e-12). MiR-21 expression was also significantly different in certain subgroups of patients with CRC disease stages II-IV as compared to the control group...
May 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/27888475/assessing-contamination-of-microalgal-astaxanthin-producer-haematococcus-cultures-with-high-resolution-melting-curve-analysis
#14
Adam Dawidziuk, Delfina Popiel, Magda Luboinska, Michal Grzebyk, Maciej Wisniewski, Grzegorz Koczyk
Due to its superior antioxidant capabilities and higher activity than other carotenoids, astaxanthin is used widely in the nutraceutical and medicine industries. The most prolific natural producer of astaxanthin is the unicellular green microalga Haematococcus pluvialis. The correct identification of any contaminants in H. pluvialis cultures is both essential and nontrivial for several reasons. Firstly, while it is possible to distinguish the main microalgal contaminant Coelastrella sp. (in H. pluvialis cultures), in practice, it is frequently a daunting and error-prone task for personnel without extensive experience in the microscopic identification of algal species...
May 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/27878453/evaluation-of-stability-and-validation-of-reference-genes-for-rt-qpcr-expression-studies-in-rice-plants-under-water-deficit
#15
Priscila Ariane Auler, Letícia Carvalho Benitez, Marcelo Nogueira do Amaral, Isabel Lopes Vighi, Gabriela Dos Santos Rodrigues, Luciano Carlos da Maia, Eugenia Jacira Bolacel Braga
Many studies use strategies that allow for the identification of a large number of genes expressed in response to different stress conditions to which the plant is subjected throughout its cycle. In order to obtain accurate and reliable results in gene expression studies, it is necessary to use reference genes, which must have uniform expression in the majority of cells in the organism studied. RNA isolation of leaves and expression analysis in real-time quantitative polymerase chain reaction (RT-qPCR) were carried out...
May 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/27878452/inheritance-and-effectiveness-of-two-transgenes-determining-pvy-resistance-in-progeny-from-crossing-independently-transformed-tobacco-lines
#16
Anna Czubacka, Ermanno Sacco, Hanna Olszak-Przybyś, Teresa Doroszewska
Genetic transformation of plants allows us to obtain improved genotypes enriched with the desired traits. However, if transgenic lines were to be used in breeding programs the stability of inserted transgenes is essential. In the present study, we followed the inheritance of transgenes in hybrids originated from crossing two transgenic tobacco lines resistant to Potato virus Y (PVY): MN 944 LMV with the transgene containing Lettuce mosaic virus coat protein gene (LMV CP) and AC Gayed ROKY2 with PVY replicase gene (ROKY2)...
May 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/27858254/array-comparative-genomic-hybridization-and-genomic-sequencing-in-the-diagnostics-of-the-causes-of-congenital-anomalies
#17
REVIEW
Krzysztof Szczałuba, Urszula Demkow
The aim of this review is to provide the current state of knowledge about the usefulness of modern genetic technologies in uncovering the causality of isolated and multiple congenital anomalies. Array comparative genomic hybridization and next-generation sequencing have revolutionized the clinical approach to patients with these phenotypes. Both technologies enable early diagnosis, especially in clinically challenging newborn populations, and help to uncover genetic defects associated with various phenotypes...
May 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/27838878/gene-environment-interactions-between-ercc2-ercc3-xrcc1-and-cadmium-exposure-in-nasal-polyposis-disease
#18
Rim Khlifi, Pablo Olmedo, Fernando Gil, Boutheina Hammami, Amel Hamza-Chaffai, Ahmed Rebai
Gene-environment interactions have long been known to play an important role in complex disease aetiology, such as nasal polyposis (NP). The present study supports the concept that DNA repair gene polymorphisms play critical roles in modifying individual susceptibility to environmental diseases. In fact, we investigated the role of polymorphisms in DNA repair genes and cadmium as risk factors for Tunisian patients with NP. To the best of our knowledge, this is the first report on the impact of combined effects of cadmium and ERCC3 7122 A>G (rs4150407), ERCC2 Lys751Gln (rs13181) and XRCC1 Arg399Gln (rs25487) genes in the susceptibility to NP disease...
May 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/27826892/the-effect-of-ugt1a9-cyp2b6-and-cyp2c9-genes-polymorphism-on-individual-differences-in-propofol-pharmacokinetics-among-polish-patients-undergoing-general-anaesthesia
#19
Adam Mikstacki, Oliwia Zakerska-Banaszak, Marzena Skrzypczak-Zielinska, Barbara Tamowicz, Michał Prendecki, Jolanta Dorszewska, Marta Molinska-Glura, Malgorzata Waszak, Ryszard Slomski
Propofol (2,6-diisopropylphenol) is one of the safest and most commonly used anaesthetic agents for intravenous general anaesthesia. However, in clinical practice, a large inter-individual variability in response to propofol is observed. To limit the risk of adverse effects, pharmacogenetic investigations are recommended. The aim of our study was to verify the impact of genetic changes c.516G>T in the CYP2B6, c.98T>C in the UGT1A9 and c.1075A>C in the CYP2C9 genes on the individual propofol pharmacokinetic profile in the Polish patients undergoing general anaesthesia...
May 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/27796942/comparison-of-mirna-profiling-during-airway-epithelial-repair-in-undifferentiated-and-differentiated-cells-in-vitro
#20
COMPARATIVE STUDY
Wojciech Langwinski, Beata Narozna, Peter M Lackie, John W Holloway, Aleksandra Szczepankiewicz
Respiratory epithelium is a highly integrated structure that efficiently protects lungs from extrinsic irritants thanks to rapid repair of the wound. The repair is a complex process that requires coordinated expression of networks of genes. Plausible regulators of this process are microRNAs. We investigated whether global miRNA silencing influences the epithelial repair, and whether changes in miRNA expression profile during repair are similar between two bronchial epithelial cell cultures: differentiated and undifferentiated cells...
May 2017: Journal of Applied Genetics
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