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https://www.readbyqxmd.com/read/28965125/rapid-identification-of-an-adult-plant-stripe-rust-resistance-gene-in-hexaploid-wheat-by-high-throughput-snp-array-genotyping-of-pooled-extremes
#1
Jianhui Wu, Shengjie Liu, Qilin Wang, Qingdong Zeng, Jingmei Mu, Shuo Huang, Shizhou Yu, Dejun Han, Zhensheng Kang
High-throughput SNP array analysis of pooled extreme phenotypes in a segregating population by KASP marker genotyping permitted rapid, cost-effective location of a stripe rust resistance QTL in wheat. German wheat cultivar "Friedrichswerther" has exhibited high levels of adult plant resistance (APR) to stripe rust in field environments for many years. F2:3 lines and F6 recombinant inbred line (RILs) populations derived from a cross between Friedrichswerther and susceptible landrace Mingxian 169 were evaluated in the field in 2013, 2016 and 2017...
September 30, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28955358/association-mapping-of-diastatic-power-in-uk-winter-and-spring-barley-by-exome-sequencing-of-phenotypically-contrasting-variety-sets
#2
Mark E Looseley, Micha Bayer, Hazel Bull, Luke Ramsay, William Thomas, Allan Booth, Carla De La Fuente Canto, Jenny Morris, Pete E Hedley, Joanne Russell
Diastatic Power (DP) is an important quality trait for malt used in adjunct brewing and distilling. Substantial genetic variation for DP exists within UK elite barley cultivars, but breeding progress has been slow due to the limited demand, compared to the overall barley market, and difficulties in assessing DP. Estimates of DP (taken from recommended and national list trials between 1994 and 2012) from a collection of UK elite winter and spring varieties were used to identify contrasting sets of high and low DP varieties...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28952802/novel-tenascin-c-haplotype-modifies-the-risk-for-a-failure-to-heal-after-rotator-cuff-repair
#3
Rainer Kluger, Klaus R Huber, Philipp G Seely, Christian E Berger, Florian Frommlet
BACKGROUND: Several single-nucleotide polymorphisms (SNPs) in the TNC gene have recently been found to be associated with degenerative rotator cuff tears. HYPOTHESIS: Exonic SNPs in the TNC gene are related to the risk for a failure to heal after rotator cuff repair. STUDY DESIGN: Case-control study; Level of evidence, 3. METHODS: A total of 302 patients from the Vienna area and European Caucasian ancestry underwent mini-open rotator cuff repair for a full-thickness superior or posterosuperior tear and were assessed for the integrity of the repair 1 year postoperatively with a real-time 7...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28951075/first-episode-psychosis-patients-display-increased-plasma-il-18-that-correlates-with-cognitive-dysfunction
#4
Funda Orhan, Helena Fatouros-Bergman, Lilly Schwieler, Simon Cervenka, Lena Flyckt, Carl M Sellgren, Göran Engberg, Sophie Erhardt
No abstract text is available yet for this article.
September 23, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28913866/conversion-of-array-based-single-nucleotide-polymorphic-markers-for-use-in-targeted-genotyping-by-sequencing-in-hexaploid-wheat-triticum-aestivum
#5
Amanda J Burridge, Paul A Wilkinson, Mark O Winfield, Gary L A Barker, Alexandra M Allen, Jane A Coghill, Christy Waterfall, Keith J Edwards
Wheat breeders and academics alike use Single Nucleotide Polymorphisms (SNPs) as molecular markers to characterise regions of interest within the hexaploid wheat genome. A number of SNP-based genotyping platforms are available and their utility depends upon factors such as the available technologies, number of data points required, budgets and the technical expertise required. Unfortunately, markers can rarely be exchanged between existing and newly developed platforms, meaning that previously generated data cannot be compared, or combined, with more recently generated datasets...
September 15, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28892034/shifting-zebrafish-lethal-skeletal-mutant-penetrance-by-progeny-testing
#6
Elliott P Brooks, James T Nichols
Zebrafish mutant phenotypes are often incompletely penetrant, only manifesting in some mutants. Interesting phenotypes that inconsistently appear can be difficult to study, and can lead to confounding results. The protocol described here is a straightforward breeding paradigm to increase and decrease penetrance in lethal zebrafish skeletal mutants. Because lethal mutants cannot be selectively bred directly, the classic selective breeding strategy of progeny testing is employed. This method also includes protocols for Kompetitive Allele Specific PCR (KASP) genotyping zebrafish and staining larval zebrafish cartilage and bone...
September 1, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28855282/discovery-of-a-novel-stem-rust-resistance-allele-in-durum-wheat-that-exhibits-differential-reactions-to-ug99-isolates
#7
Jayaveeramuthu Nirmala, Jyoti Saini, Maria Newcomb, Pablo Olivera, Sam Gale, Daryl Klindworth, Elias Elias, Luther Talbert, Shiaoman Chao, Justin Faris, Steven Xu, Yue Jin, Matthew N Rouse
Wheat stem rust, caused by Puccinia graminis f. sp. tritici Erikss. & E. Henn, can incur yield losses on susceptible cultivars of durum wheat, Triticum turgidum ssp. durum (Desf.) Husnot. Though several durum cultivars possess the stem rust resistance gene Sr13, additional genes in durum wheat effective against emerging virulent races have not been described. Durum line 8155-B1 confers resistance against the P. graminis f. sp. tritici race TTKST, the variant race of the Ug99 race group with additional virulence to wheat stem rust resistance gene Sr24 However, 8155-B1 does not confer resistance to the first-described race in the Ug99 race group: TTKSK...
August 29, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28832276/combining-snp-genotyping-array-with-bulked-segregant-analysis-to-map-a-gene-controlling-adult-plant-resistance-to-stripe-rust-in-wheat-line-03031-1-5-h62
#8
Jianhui Wu, Qilin Wang, Liangsheng Xu, Xianming Chen, Bei Li, Jingmei Mu, Qingdong Zeng, Lili Huang, Dejun Han, Zhensheng Kang
Stripe rust, caused by Puccinia striiformis f. sp. tritici (Pst), is one of the most devastating diseases of wheat worldwide. Growing resistant cultivars is considered the best approach to manage this disease. In order to identify the resistance gene(s) in wheat line 03031-1-5 H62, which displayed high resistance to stripe rust at adult plant stage, a cross was made between 03031-1-5 H62 and susceptible cultivar Avocet S. The mapping population was tested with Chinese Pst race CYR32 through artificial inoculation in a field in Yangling, Shaanxi Province and in Tianshui, Gansu Province under natural infection...
August 23, 2017: Phytopathology
https://www.readbyqxmd.com/read/28760136/development-of-a-high-density-linkage-map-and-mapping-of-the-three-pistil-gene-pis1-in-wheat-using-gbs-markers
#9
Zaijun Yang, Zhenyong Chen, Zhengsong Peng, Yan Yu, Mingli Liao, Shuhong Wei
BACKGROUND: The wheat mutant line three-pistil (TP) exhibits three pistils per floret. As TP normally has two or three seeds in each of the florets on the same spike, there is the possibility of increasing the number of grains per spike. Therefore, TP is a highly valuable mutant for breeding and for the study of floral development in wheat. To map the three-pistil gene (Pis1), genotyping-by-sequencing single-nucleotide polymorphism (GBS-SNP) data from an F2 mapping population (CM28 × CM28TP) was used to construct a genetic map that is of significant value...
July 31, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28716422/development-of-imidazolinone-herbicide-tolerant-borage-borago-officinalis-l
#10
Dongyan Song, Guohai Wu, Patricia Vrinten, Xiao Qiu
Borage (Borago officinalis) is an annual herb that produces a high level of gamma-linolenic acid (GLA) in its seed oil. Due to the recognized health benefits of GLA, borage is now commercially cultivated worldwide. However, an herbicide-tolerant variety for effective weed management has not yet been developed. Here we report the generation and characterization of ethyl methanesulfonate (EMS) induced borage mutant lines tolerant to the herbicide imidazolinone. An EMS-mutagenized borage population was generated by using a series of concentrations of EMS to treat mature borage seeds...
September 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28709693/squamous-proliferations-on-the-legs-of-women-qualitative-examination-of-histopathology-tp53-sequencing-and-implications-for-diagnosis-in-a-series-of-30-cases
#11
Christine J Ko, Earl J Glusac, Jennifer M McNiff, Nemanja Rodic, David J Leffell
BACKGROUND: Women with multiple squamous cell carcinomas (SCCs) of the legs have a striking clinical phenotype. Numerous tumors can develop in a short period of time. OBJECTIVE: Because histopathologic findings can vary in women with multiple SCC lesions, from keratoacanthoma-like to well-differentiated SCC, we hypothesized that TP53 variants might shed light on the appropriate classification. METHODS: We sequenced TP53 in 30 SCCs from 6 women who had multiple SCCs on their legs during a 21-month time frame...
July 11, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28683740/using-kasp-technique-to-screen-lrrk2-g2019s-mutation-in-a-large-tunisian-cohort
#12
Zied Landoulsi, Sawssan Benromdhan, Mouna Ben Djebara, Mariem Damak, Hamza Dallali, Rym Kefi, Sonia Abdelhak, Amina Gargouri-Berrechid, Chokri Mhiri, Riadh Gouider
BACKGROUND: In North African populations, G2019S mutation in LRRK2 gene, encoding for the leucine-rich repeat kinase 2, is the most prevalent mutation linked to familial and sporadic Parkinson's disease (PD). Early detection of G2019S by fast genetic testing is very important to guide PD's diagnosis and support patients and their family caregivers for better management of their life according to disease's evolution. METHODS: In our study, a genetic PD's diagnosis tool was developed for large scale genotyping using Kompetitive Allele Specific PCR (KASP) technology...
July 6, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28630621/development-of-snp-genotyping-assays-for-seed-composition-traits-in-soybean
#13
Gunvant Patil, Juhi Chaudhary, Tri D Vuong, Brian Jenkins, Dan Qiu, Suhas Kadam, Grover J Shannon, Henry T Nguyen
Seed composition is one of the most important determinants of the economic values in soybean. The quality and quantity of different seed components, such as oil, protein, and carbohydrates, are crucial ingredients in food, feed, and numerous industrial products. Soybean researchers have successfully developed and utilized a diverse set of molecular markers for seed trait improvement in soybean breeding programs. It is imperative to design and develop molecular assays that are accurate, robust, high-throughput, cost-effective, and available on a common genotyping platform...
2017: International Journal of Plant Genomics
https://www.readbyqxmd.com/read/28624908/development-and-validation-of-kasp-markers-for-the-greenbug-resistance-gene-gb7-and-the-hessian-fly-resistance-gene-h32-in-wheat
#14
Chor-Tee Tan, Hangjin Yu, Yan Yang, Xiangyang Xu, Mingshun Chen, Jackie C Rudd, Qingwu Xue, Amir M H Ibrahim, Lisa Garza, Shichen Wang, Mark E Sorrells, Shuyu Liu
Greenbug and Hessian fly are important pests that decrease wheat production worldwide. We developed and validated breeder-friendly KASP markers for marker-assisted breeding to increase selection efficiency. Greenbug (Schizaphis graminum Rondani) and Hessian fly [Mayetiola destructor (Say)] are two major destructive insect pests of wheat (Triticum aestivum L.) throughout wheat production regions in the USA and worldwide. Greenbug and Hessian fly infestation can significantly reduce grain yield and quality. Breeding for resistance to these two pests using marker-assisted selection (MAS) is the most economical strategy to minimize losses...
June 17, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28589757/quantitative-trait-loci-for-slow-rusting-resistance-to-leaf-rust-in-doubled-haploid-wheat-population-ci13227-%C3%A3-lakin
#15
Yue Lu, Robert L Bowden, Guorong Zhang, Xiangyang Xu, Allan K Fritz, Guihua Bai
CI13227 is a U.S. winter wheat line with adult-plant slow-rusting resistance that has been the subject of several studies on the characteristics and components of slow rusting. Previous genetic studies used different populations and approaches and came to different conclusions about the genetic basis of resistance in CI13227. To clarify the situation, a new doubled-haploid (DH) population of CI13227 × Lakin was produced and a linkage map was constructed using 5,570 single-nucleotide polymorphism (SNP) markers derived from wheat 90K SNP assays and 84 simple sequence repeat markers...
August 18, 2017: Phytopathology
https://www.readbyqxmd.com/read/28588598/genetic-gains-in-grain-yield-of-a-maize-population-improved-through-marker-assisted-recurrent-selection-under-stress-and-non-stress-conditions-in-west-africa
#16
Rekiya O Abdulmalik, Abebe Menkir, Silvestro K Meseka, Nnanna Unachukwu, Shehu G Ado, Joseph D Olarewaju, Daniel A Aba, Sarah Hearne, Jose Crossa, Melaku Gedil
Marker-assisted recurrent selection (MARS) is a breeding method used to accumulate favorable alleles that for example confer tolerance to drought in inbred lines from several genomic regions within a single population. A bi-parental cross formed from two parents that combine resistance to Striga hermonthica with drought tolerance, which was improved through MARS, was used to assess changes in the frequency of favorable alleles and its impact on inbred line improvement. A total of 200 testcrosses of randomly selected S1 lines derived from the original (C0) and advanced selection cycles of this bi-parental population, were evaluated under drought stress (DS) and well-watered (WW) conditions at Ikenne and under artificial Striga infestation at Abuja and Mokwa in Nigeria in 2014 and 2015...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28566859/interleukin-1%C3%AE-3954-511-genotype-polymorphism-and-its-association-with-severe-chronic-generalized-periodontitis-in-the-malaysian-population
#17
Shelly Arora, Srinivas Sulugodu Ramachandra, Fawzia Abdullah, Kalyan C Gundavarapu
INTRODUCTION: Single-nucleotide polymorphisms (SNPs) in interleukin 1β (IL-1β) gene have been known to be associated with increased susceptibility to chronic periodontitis among various ethnic populations. SNPs are more commonly observed at loci + 3954 and - 511. The aim of this study was to evaluate the role of IL-1β gene polymorphism at loci +3954 and - 511, and its association with severe chronic generalized periodontitis among the ethnic Malay, Chinese, and Indians within the Malaysian population...
January 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/28560590/high-resolution-mapping-reveals-linkage-between-genes-in-common-bean-cultivar-ouro-negro-conferring-resistance-to-the-rust-anthracnose-and-angular-leaf-spot-diseases
#18
Giseli Valentini, Maria Celeste Gonçalves-Vidigal, Oscar P Hurtado-Gonzales, Sandra Aparecida de Lima Castro, Perry B Cregan, Qijian Song, Marcial A Pastor-Corrales
Co-segregation analysis and high-throughput genotyping using SNP, SSR, and KASP markers demonstrated genetic linkage between Ur-14 and Co-3 (4) /Phg-3 loci conferring resistance to the rust, anthracnose and angular leaf spot diseases of common bean. Rust, anthracnose, and angular leaf spot are major diseases of common bean in the Americas and Africa. The cultivar Ouro Negro has the Ur-14 gene that confers broad spectrum resistance to rust and the gene cluster Co-3 (4) /Phg-3 containing two tightly linked genes conferring resistance to anthracnose and angular leaf spot, respectively...
August 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28545597/prefrontal-cortical-thinning-links-to-negative-symptoms-in-schizophrenia-via-the-enigma-consortium
#19
E Walton, D P Hibar, T G M van Erp, S G Potkin, R Roiz-Santiañez, B Crespo-Facorro, P Suarez-Pinilla, N E M van Haren, S M C de Zwarte, R S Kahn, W Cahn, N T Doan, K N Jørgensen, T P Gurholt, I Agartz, O A Andreassen, L T Westlye, I Melle, A O Berg, L Morch-Johnsen, A Færden, L Flyckt, H Fatouros-Bergman, E G Jönsson, R Hashimoto, H Yamamori, M Fukunaga, N Jahanshad, P De Rossi, F Piras, N Banaj, G Spalletta, R E Gur, R C Gur, D H Wolf, T D Satterthwaite, L M Beard, I E Sommer, S Koops, O Gruber, A Richter, B Krämer, S Kelly, G Donohoe, C McDonald, D M Cannon, A Corvin, M Gill, A Di Giorgio, A Bertolino, S Lawrie, T Nickson, H C Whalley, E Neilson, V D Calhoun, P M Thompson, J A Turner, S Ehrlich
BACKGROUND: Our understanding of the complex relationship between schizophrenia symptomatology and etiological factors can be improved by studying brain-based correlates of schizophrenia. Research showed that impairments in value processing and executive functioning, which have been associated with prefrontal brain areas [particularly the medial orbitofrontal cortex (MOFC)], are linked to negative symptoms. Here we tested the hypothesis that MOFC thickness is associated with negative symptom severity...
May 26, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28533795/a-kasp-genotyping-method-to-identify-northern-watermilfoil-eurasian-watermilfoil-and-their-interspecific-hybrids
#20
Eric L Patterson, Margaret B Fleming, Kallie C Kessler, Scott J Nissen, Todd A Gaines
The invasive aquatic plant Eurasian watermilfoil (Myriophyllum spicatum L.) can hybridize with the related North American native species northern watermilfoil (M. sibiricum Kom.). Hybrid watermilfoil (M. spicatum × M. sibiricum) populations have higher fitness and reduced sensitivity to some commonly used aquatic herbicides, making management more difficult. There is growing concern that management practices using herbicides in lakes with mixed populations of watermilfoil species may further select for hybrid individuals due to the difference in herbicide sensitivity...
2017: Frontiers in Plant Science
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