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https://www.readbyqxmd.com/read/27913634/comparative-analysis-highlights-variable-genome-content-of-wheat-rusts-and-divergence-of-the-mating-loci
#1
Christina A Cuomo, Guus Bakkeren, Hala Badr Khalil, Vinay Panwar, David Joly, Rob Linning, Sharadha Sakthikumar, Xiao Song, Xian Adiconis, Lin Fan, Jonathan M Goldberg, Joshua Z Levin, Sarah Young, Qiandong Zeng, Yehoshua Anikster, Myron Bruce, Meinan Wang, Chuntao Yin, Brent McCallum, Les J Szabo, Scot Hulbert, Xiaming Chen, John P Fellers
Three members of the Puccinia genus, P. triticina (Pt), P. striiformis f.sp. tritici (Pst), and P. graminis f.sp. tritici (Pgt), cause the most common and often most significant foliar diseases of wheat. While similar in biology and life cycle, each species is uniquely adapted and specialized. The genomes of Pt and Pst were sequenced and compared to that of Pgt to identify common and distinguishing gene content, to determine gene variation among wheat rust pathogens, other rust fungi and basidiomycetes, and to identify genes of significance for infection...
December 2, 2016: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/27890709/role-of-major-and-brain-specific-sgce-isoforms-in-the-pathogenesis-of-myoclonus-dystonia-syndrome
#2
Jianfeng Xiao, Satya R Vemula, Yi Xue, Mohammad M Khan, Francesca A Carlisle, Adrian J Waite, Derek J Blake, Ioannis Dragatsis, Yu Zhao, Mark S LeDoux
Loss-of-function mutations in SGCE, which encodes ε-sarcoglycan (ε-SG), cause myoclonus-dystonia syndrome (OMIM159900, DYT11). A "major" ε-SG protein derived from CCDS5637.1 (NM_003919.2) and a "brain-specific" protein, that includes sequence derived from alternative exon 11b (CCDS47642.1, NM_001099400.1), are reportedly localized in post- and pre-synaptic membrane fractions, respectively. Moreover, deficiency of the "brain-specific" isoform and other isoforms derived from exon 11b may be central to the pathogenesis of DYT11...
November 24, 2016: Neurobiology of Disease
https://www.readbyqxmd.com/read/27855520/novel-technologies-emerging-for-preimplantation-genetic-diagnosis-and-preimplantation-genetic-testing-for-aneuploidy
#3
Karen Sermon
Preimplantation genetic diagnosis (PGD) was introduced as an alternative to prenatal diagnosis: embryos cultured in vitro were analysed for a monogenic disease and only disease-free embryos were transferred to the mother, to avoid the termination of pregnancy with an affected foetus. It soon transpired that human embryos show a great deal of acquired chromosomal abnormalities, thought to explain the low success rate of IVF - hence preimplantation genetic testing for aneuploidy (PGT-A) was developed to select euploid embryos for transfer...
December 1, 2016: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/27751827/response-of-gut-microbiota-and-inflammatory-status-to-bitter-melon-momordica-charantia-l-in-high-fat-diet-induced-obese-rats
#4
Juan Bai, Ying Zhu, Ying Dong
ETHNOPHARMACOLOGICAL RELEVANCE: Bitter melon (Momordica charantia L.) is rich in a variety of biologically active ingredients, and has been widely used in traditional Chinese medicine (TCM) to treat various diseases, including type 2 diabetes and obesity. AIM OF THE STUDY: We aimed to investigate how bitter melon powder (BMP) could affect obesity-associated inflammatory responses to ameliorate high-fat diet (HFD)-induced insulin resistance, and investigated whether its anti-inflammatory properties were effected by modulating the gut microbiota...
October 14, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27705664/genetic-mapping-of-stem-rust-resistance-to-puccinia-graminis-f-sp-tritici-race-trttf-in-the-canadian-wheat-cultivar-harvest
#5
Colin W Hiebert, Matthew N Rouse, Jayaveeramuthu Nirmala, Tom Fetch
Stem rust, caused by Puccinia graminis Pers.:Pers. f. sp. tritici Eriks. & E. Henn.(Pgt), is a destructive disease of wheat that can be controlled by deploying effective stem rust resistance (Sr) genes. Highly virulent races of Pgt in Africa have been detected and characterized. These include race TRTTF and the Ug99 group of races such as TTKSK. Several Canadian and United States spring wheat cultivars, including the widely grown Canadian cultivar 'Harvest', are resistant to TRTTF. However, the genetic basis of resistance to TRTTF in Canadian and United States spring wheat cultivars is unknown...
October 5, 2016: Phytopathology
https://www.readbyqxmd.com/read/27637489/new-families-of-single-integration-vectors-and-gene-tagging-plasmids-for-genetic-manipulations-in-budding-yeast
#6
Victoria Wosika, Eric Durandau, Clémence Varidel, Delphine Aymoz, Marta Schmitt, Serge Pelet
The tractability of the budding yeast genome has provided many insights into the fundamental mechanisms regulating cellular life. With the advent of synthetic biology and single-cell measurements, novel tools are required to manipulate the yeast genome in a more controlled manner. We present, here, a new family of yeast shuttle vectors called single integration vectors (pSIV). Upon transformation in yeast, these plasmids replace the entire deficient auxotrophy marker locus by a cassette containing an exogenous marker...
September 16, 2016: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/27624811/a-rapid-and-efficient-luminescence-based-method-for-assaying-phosphoglycosyltransferase-enzymes
#7
Debasis Das, Marthe T C Walvoort, Vinita Lukose, Barbara Imperiali
Phosphoglycosyltransferases (PGTs) are families of integral membrane proteins with intriguingly diverse architectures. These enzymes function to initiate many important biosynthetic pathways including those leading to peptidoglycan, N-linked glycoproteins and lipopolysaccharide O-antigen. In spite of tremendous efforts, characterization of these enzymes remains a challenge not only due to the inherent difficulties associated with the purification of integral membrane proteins but also due to the limited availability of convenient assays...
September 14, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27581540/fine-mapping-of-the-stem-rust-resistance-gene-srta10187
#8
Andrew T Wiersma, Linda K Brown, Elizabeth I Brisco, Tiffany L Liu, Kevin L Childs, Jesse A Poland, Sunish K Sehgal, Eric L Olson
SrTA10187 was fine-mapped to a 1.1 cM interval, candidate genes were identified in the region of interest, and molecular markers were developed for marker-assisted selection and Sr gene pyramiding. Stem rust (Puccinia graminis f. sp. tritici, Pgt) races belonging to the Ug99 (TTKSK) race group pose a serious threat to global wheat (Triticum aestivum L.) production. To improve Pgt host resistance, the Ug99-effective resistance gene SrTA10187 previously identified in Aegilops tauschii Coss. was introgressed into wheat, and mapped to the short arm of wheat chromosome 6D...
August 31, 2016: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/27506534/genetics-and-mapping-of-seedling-resistance-to-ug99-stem-rust-in-winter-wheat-cultivar-triumph-64-and-differentiation-of-srtmp-srcad-and-sr42
#9
Colin W Hiebert, Mulualem T Kassa, Curt A McCartney, Frank M You, Matthew N Rouse, Pierre Fobert, Tom G Fetch
Resistance to Ug99 stem rust in Triumph 64 was conferred by SrTmp on chromosome arm 6DS and was mapped to the same position as SrCad and Sr42 , however, the three genes show functional differences. Stem rust, caused by Puccinia graminis f. sp. tritici (Pgt), is an important disease of wheat that can be controlled by effective stem rust resistance (Sr) genes. The emergence of virulent Pgt races in Africa, namely Ug99 and its variants, has stimulated the search for new Sr genes and genetic characterization of known sources of resistance...
August 9, 2016: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/27462322/stem-rust-resistance-in-a-geographically-diverse-collection-of-spring-wheat-lines-collected-from-across-africa
#10
Renée Prins, Susanne Dreisigacker, Zakkie Pretorius, Hester van Schalkwyk, Elsabet Wessels, Corneli Smit, Cornel Bender, Davinder Singh, Lesley A Boyd
Following the emergence of the Ug99 lineage of Puccinia graminis f. sp. tritici (Pgt) a collective international effort has been undertaken to identify new sources of wheat stem rust resistance effective against these races. Analyses were undertaken in a collection of wheat genotypes gathered from across Africa to identify stem rust resistance effective against the Pgt races found in Eastern and Southern Africa. The African wheat collection consisted of historic genotypes collected in Kenya, South Africa, Ethiopia, Sudan, Zambia, Morocco, and Tunisia, and current South African breeding lines...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27373998/human-antibody-reactivity-against-xenogeneic-n-glycolylneuraminic-acid-and-galactose-%C3%AE-1-3-galactose-antigen
#11
Sunghoon Hurh, Bohae Kang, Inho Choi, Bumrae Cho, Eun Mi Lee, Hwajung Kim, Young June Kim, Yun Shin Chung, Jong Cheol Jeong, Jong-Ik Hwang, Jae Young Kim, Byeong Chun Lee, Charles D Surh, Jaeseok Yang, Curie Ahn
BACKGROUND: Despite the development of α1,3-galactosyl transferase-knockout (GTKO) pigs, acute humoral xenograft rejection caused by antibodies against non-Gal antigens, along with complement activation, are hurdles that need to be overcome. Among non-Gal antigens, N-glycolylneuraminic acid (Neu5Gc) is considered to play an important role in xenograft rejection in human. METHODS: We generated human embryonic kidney 293 (HEK293) cells that expressed xenogeneic Neu5Gc (HEK293-pCMAH) or α1,3Gal (HEK293-pGT) antigen and investigated the degree of human antibody binding and complement-dependent cytotoxicity (CDC) against these antigens using 100 individual human sera...
July 2016: Xenotransplantation
https://www.readbyqxmd.com/read/27309724/major-gene-for-field-stem-rust-resistance-co-locates-with-resistance-gene-sr12-in-thatcher-wheat
#12
Colin W Hiebert, James A Kolmer, Curt A McCartney, Jordan Briggs, Tom Fetch, Harbans Bariana, Frederic Choulet, Matthew N Rouse, Wolfgang Spielmeyer
Stem rust, caused by Puccinia graminis (Pgt), is a damaging disease of wheat that can be controlled by utilizing effective stem rust resistance genes. 'Thatcher' wheat carries complex resistance to stem rust that is enhanced in the presence of the resistance gene Lr34. The purpose of this study was to examine APR in 'Thatcher' and look for genetic interactions with Lr34. A RIL population was tested for stem rust resistance in field nurseries in Canada, USA, and Kenya. BSA was used to find SNP markers associated with reduced stem rust severity...
2016: PloS One
https://www.readbyqxmd.com/read/27292607/serum-platelet-derived-growth-factor-bb-levels-a-potential-biomarker-for-the-assessment-of-liver-fibrosis-in-patients-with-chronic-hepatitis-b
#13
Jiyuan Zhou, Yongqiong Deng, Linlin Yan, Hong Zhao, Guiqiang Wang
OBJECTIVES: Few studies have investigated serum levels of platelet-derived growth factor (PDGF) in patients with chronic hepatitis B (CHB). The present study aimed to determine whether PDGF-BB could serve as a potential biomarker for the detection of liver fibrosis. METHODS: From October 2013 to August 2015, 465 patients with CHB were enrolled prospectively in this study. All patients underwent liver biopsy and staging based on the Ishak system. The serum PDGF-BB level was measured quantitatively by ELISA...
August 2016: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/27269280/aneuploidies-level-in-sperm-nuclei-in-patients-with-infertility
#14
Mirzakarim Karimovich Alchinbayev, Araylyim Nugmanovna Aralbayeva, Lazzat Namatullaevna Tuleyeva, Svetlana Melsovna Duysenbayeva, Marat Abzalovich Makazhanov
Male infertility is a relevant social and medical problem. Male infertility is mostly caused by genetic disorders. The purpose of the study was to analyze the correlation of chromosome aberrations, as well as DNA fragmentation and various manifestations of spermatogenesis disorder. Sperm samples of 58 males with infertility and 23 conditionally healthy males were studied. All patients diagnosed with asthenozoospermia, teratozoospermia, oligoasthenozoospermia and oligoteratozoospermia underwent subsequent analysis of sperm DNA fragmentation...
September 2016: Mutagenesis
https://www.readbyqxmd.com/read/27257388/upregulation-of-cyclooxygenase-2-prostaglandin-e2-cox-2-pge2-pathway-member-multiple-drug-resistance-associated-protein-4-mrp4-and-downregulation-of-prostaglandin-transporter-pgt-and-15-prostaglandin-dehydrogenase-15-pgdh-in-triple-negative-breast-cancer
#15
Tyler J Kochel, Olga G Goloubeva, Amy M Fulton
Elevated levels of cyclooxygenase-2 (COX-2) and prostaglandin E2 (PGE2) are indicators of a poor prognosis in breast cancer. Using several independent publicly available breast cancer gene expression databases, we investigated other members of the PGE2 pathway. PGE2 is produced by COX-2 and actively exported by multiple drug resistance-associated protein 4 (MRP4) into the extracellular microenvironment, where PGE2 can bind four cognate EP receptors (EP1-EP4) and initiate diverse biological signaling pathways...
2016: Breast Cancer: Basic and Clinical Research
https://www.readbyqxmd.com/read/27235919/the-past-present-and-future-of-preimplantation-genetic-testing
#16
REVIEW
Anthony N Imudia, Shayne Plosker
Preimplantation genetic testing (PGT) of oocytes and embryos is the earliest form of prenatal testing. PGT requires in vitro fertilization for embryo creation. In the past 25 years, the use of PGT has increased dramatically. The indications of PGT include identification of embryos harboring single-gene disorders, chromosomal structural abnormalities, chromosomal numeric abnormalities, and mitochondrial disorders; gender selection; and identifying unaffected, HLA-matched embryos to permit the creation of a savior sibling...
June 2016: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/27233048/biological-removal-of-pharmaceutical-compounds-using-white-rot-fungi-with-concomitant-fame-production-of-the-residual-biomass
#17
I A Vasiliadou, R Sánchez-Vázquez, R Molina, F Martínez, J A Melero, L F Bautista, J Iglesias, G Morales
The efficiency of two white-rot fungi (WRF), Trametes versicolor and Ganoderma lucidum, to eliminate thirteen pharmaceutical pollutants with concomitant biodiesel production from the accumulating lipid content after treatment, was examined. The removal efficiency was studied using both individual and combined strains. The results of individual and combined strains showed a total removal (100%) of diclofenac (DCF), gemfibrozil (GFZ), ibuprofen (IBP), progesterone (PGT) and ranitidine (RNT). Lower removals were achieved for 4-acetamidoantipyrin (AAA), clofibric acid (ACF), atenolol (ATN), caffeine (CFN), carbamazepine (CZP), hydrochlorothiazide (HCT), sulfamethoxazole (SMX) and sulpiride (SPD), although the combination of both strains enhanced the system's efficiency, with removals ranging from 15 to 41%...
September 15, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/27227056/prostaglandin-transporter-in-the-rat-brain-its-localization-and-induction-by-lipopolysaccharide
#18
Rika Hosotani, Wataru Inoue, Takako Takemiya, Kanato Yamagata, Shigeo Kobayashi, Kiyoshi Matsumura
Prostaglandin E2 (PGE2) is produced in the brain during infectious/inflammatory diseases, and it mediates acute-phase responses including fever. In the recovery phase of such diseases, PGE2 disappears from the brain through yet unidentified mechanisms. Rat prostaglandin transporter (PGT), which facilitates transmembrane transport of PGE2, might be involved in the clearance of PGE2 from the brain. Here, we examined the cellular localization of PGT mRNA and its protein in the brains of untreated rats and those injected intraperitoneally with a pyrogen lipopolysaccharide (LPS) or saline...
July 2015: Temperature: Multidisciplinary Biomedical Journal
https://www.readbyqxmd.com/read/27213953/application-of-self-organising-maps-towards-segmentation-of-soybean-samples-by-determination-of-amino-acids-concentration
#19
Lívia Ramazzoti Chanan Silva, Karina Gomes Angilelli, Hágata Cremasco, Érica Signori Romagnoli, Olívio Fernandes Galão, Dionisio Borsato, Larissa Alexandra Cardoso Moraes, José Marcos Gontijo Mandarino
Soybeans are widely used both for human nutrition and animal feed, since they are an important source of protein, and they also provide components such as phytosterols, isoflavones, and amino acids. In this study, were determined the concentrations of the amino acids lysine, histidine, arginine, asparagine, glutamic acid, glycine, alanine, valine, isoleucine, leucine, tyrosine, phenylalanine present in 14 samples of conventional soybeans and 6 transgenic, cultivated in two cities of the state of Paraná, Londrina and Ponta Grossa...
September 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/27186883/nested-association-mapping-of-stem-rust-resistance-in-wheat-using-genotyping-by-sequencing
#20
Prabin Bajgain, Matthew N Rouse, Toi J Tsilo, Godwin K Macharia, Sridhar Bhavani, Yue Jin, James A Anderson
We combined the recently developed genotyping by sequencing (GBS) method with joint mapping (also known as nested association mapping) to dissect and understand the genetic architecture controlling stem rust resistance in wheat (Triticum aestivum). Ten stem rust resistant wheat varieties were crossed to the susceptible line LMPG-6 to generate F6 recombinant inbred lines. The recombinant inbred line populations were phenotyped in Kenya, South Africa, and St. Paul, Minnesota, USA. By joint mapping of the 10 populations, we identified 59 minor and medium-effect QTL (explained phenotypic variance range of 1% - 20%) on 20 chromosomes that contributed towards adult plant resistance to North American Pgt races as well as the highly virulent Ug99 race group...
2016: PloS One
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