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https://www.readbyqxmd.com/read/27918468/transcriptome-analysis-of-the-tadpole-shrimp-triops-longicaudatus-by-illumina-paired-end-sequencing-assembly-annotation-and-marker-discovery
#1
Jiyeon Seong, Se Won Kang, Bharat Bhusan Patnaik, So Young Park, Hee Ju Hwang, Jong Min Chung, Dae Kwon Song, Mi Young Noh, Seung-Hwan Park, Gwang Joo Jeon, Hong Sik Kong, Soonok Kim, Ui Wook Hwang, Hong Seog Park, Yeon Soo Han, Yong Seok Lee
The tadpole shrimp (Triops longicaudatus) is an aquatic crustacean that helps control pest populations. It inhabits freshwater ponds and pools and has been described as a living fossil. T. longicaudatus was officially declared an endangered species South Korea in 2005; however, through subsequent protection and conservation management, it was removed from the endangered species list in 2012. The limited number of available genetic resources on T. longicaudatus makes it difficult to obtain valuable genetic information for marker-aided selection programs...
December 2, 2016: Genes
https://www.readbyqxmd.com/read/27910055/selective-pressure-regulated-retroinfusion-for-gene-therapy-application-in-ischemic-heart-disease
#2
Rabea Hinkel, Christian Kupatt
Coronary heart disease is still the leading cause of death in industrialized nations. Even though revascularization strategies such as coronary artery bypass graft surgery, percutaneous coronary intervention and enhanced drug therapy significantly improved the outcome, about 30 % of patients develop chronic heart failure. Ischemic heart disease and heart failure are characterized by an adverse remodeling of the heart, featuring cardiomyocyte hypertrophy, increased fibrosis and capillary rarefaction. Therefore, gene therapeutic approaches for the treatment of heart failure, such as the modulating contractile function or therapeutic neovascularization, seem to be promising...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27904810/a-preliminary-identification-of-rf-a619-a-novel-restorer-gene-for-cms-c-in-maize-zea-mays-l
#3
Liu Yongming, Zhao Zhuofan, Lu Yanli, Li Chuan, Wang Jing, Dong Boxiao, Liang Bing, Qiu Tao, Zeng Wenbing, Cao Moju
C-type cytoplasmic male sterility (CMS-C) is widely utilized for hybrid maize seed production. However, genetic mechanisms underlying the fertility restoration are very complicated. At present, there is a divergence on the number of fertility restorer genes in maize inbred line A619 for CMS-C. To further elucidate the restoring mechanism of A619, we used genetic analysis and molecular markers to confirm the restorer genes of maize inbred line A619 for C-type male sterile line C48-2 in this study. Firstly, the fertility segregations of (C48-2 × A619)F2 populations were investigated under three environments during 2013-2015...
2016: PeerJ
https://www.readbyqxmd.com/read/27903256/revealing-hidden-species-diversity-in-closely-related-species-using-nuclear-snps-ssrs-and-dna-sequences-a-case-study-in-the-tree-genus-milicia
#4
Kasso Daïnou, Céline Blanc-Jolivet, Bernd Degen, Priscilla Kimani, Dyana Ndiade-Bourobou, Armel S L Donkpegan, Félicien Tosso, Esra Kaymak, Nils Bourland, Jean-Louis Doucet, Olivier J Hardy
BACKGROUND: Species delimitation in closely related plant taxa can be challenging because (i) reproductive barriers are not always congruent with morphological differentiation, (ii) use of plastid sequences might lead to misinterpretation, (iii) rare species might not be sampled. We revisited molecular-based species delimitation in the African genus Milicia, currently divided into M. regia (West Africa) and M. excelsa (from West to East Africa). We used 435 samples collected in West, Central and East Africa...
December 1, 2016: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/27902796/target-amplicon-sequencing-for-genotyping-genome-wide-single-nucleotide-polymorphisms-identified-by-whole-genome-resequencing-in-peanut
#5
Kenta Shirasawa, Chikara Kuwata, Manabu Watanabe, Masanobu Fukami, Hideki Hirakawa, Sachiko Isobe
Genome-wide genotyping data regarding breeding materials are essential resources for improving breeding efficiency, especially in plants with complex genomes with a high degree of polyploidy. Several current breeding efforts in cultivated peanut ( L.), which has a tetraploid genome, are devoted to developing high oleic acid cultivars. Genetic maps for such breeding programs have been developed using simple-sequence repeat (SSR) markers, the use of which requires time-consuming electrophoretic analyses. Next-generation sequencing (NGS) technology can overcome this technical hurdle...
November 2016: Plant Genome
https://www.readbyqxmd.com/read/27898838/assessment-of-cultivar-distinctness-in-alfalfa-a-comparison-of-genotyping-by-sequencing-simple-sequence-repeat-marker-and-morphophysiological-observations
#6
Paolo Annicchiarico, Nelson Nazzicari, Acharya Ananta, Maria Carelli, Yanling Wei, E Charles Brummer
Cultivar registration agencies typically require morphophysiological trait-based distinctness of candidate cultivars. This requirement is difficult to achieve for cultivars of major perennial forages because of their genetic structure and ever-increasing number of registered material, leading to possible rejection of agronomically valuable cultivars. This study aimed to explore the value of molecular markers applied to replicated bulked plants (three bulks of 100 independent plants each per cultivar) to assess alfalfa ( L...
July 2016: Plant Genome
https://www.readbyqxmd.com/read/27898826/quantitative-trait-loci-mapping-for-tillering-related-traits-in-two-switchgrass-populations
#7
Dan Chang, Yanqi Wu, Linglong Liu, Shuiyi Lu-Thames, Hongxu Dong, Carla Goad, Shiqie Bai, Shiva Makaju, Tilin Fang
Plant tillering and related traits are morphologically important components contributing to switchgrass ( L.) biomass yield. The objectives of this study were to estimate broad-sense heritabilities for tillering-related traits, to analyze correlations between biomass yield and the traits, and to identify quantitative trait loci (QTL) for them. A first-generation selfed population of NL94 plant and a hybrid population between NL94 and SL93 plants were field established in a randomized complete block design with three replications in Stillwater and Perkins, OK...
July 2016: Plant Genome
https://www.readbyqxmd.com/read/27898763/fine-mapping-of-resistance-genes-from-five-brown-stem-rot-resistance-sources-in-soybean
#8
Keith Rincker, Glen L Hartman, Brian W Diers
Brown stem rot (BSR) of soybean [ (L.) Merr.] caused by (Allington & Chamb.) T.C. Harr. & McNew can be controlled effectively with genetic host resistance. Three BSR resistance genes , , and , have been identified and mapped to a large region on chromosome 16. Marker-assisted selection (MAS) will be more efficient and gene cloning will be facilitated with a narrowed genomic interval containing an gene. The objective of this study was to fine map the positions of genes from five sources. Mapping populations were developed by crossing the resistant sources 'Bell', PI 84946-2, PI 437833, PI 437970, L84-5873, and PI 86150 with either the susceptible cultivar Colfax or Century 84...
March 2016: Plant Genome
https://www.readbyqxmd.com/read/27896366/allelism-analysis-of-brrfp-locus-in-different-restorer-lines-and-map-based-cloning-of-a-fertility-restorer-gene-brrfp1-for-pol-cms-in-chinese-cabbage-brassica-rapa-l
#9
Huamin Zhang, Junqing Wu, Zihui Dai, Meiling Qin, Lingyu Hao, Yanjing Ren, Qingfei Li, Lugang Zhang
In Chinese cabbage, there are two Rf loci for pol CMS and one of them was mapped to a 12.6-kb region containing a potential candidate gene encoding PPR protein. In Chinese cabbage (Brassica rapa), polima cytoplasmic male sterility (pol CMS) is an important CMS type and is widely used for hybrid breeding. By extensive test crossing in Chinese cabbage, four restorer lines (92s105, 01s325, 00s109, and 88s148) for pol CMS were screened. By analyzing the allelism of the four restorer lines, it was found that 92s105, 01s325, and 00s109 had the same "restorers of fertility" (Rf) locus (designated as BrRfp1), but 88s148 had a different Rf locus (designated as BrRfp2)...
November 28, 2016: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/27893794/single-amino-acid-repeats-in-the-proteome-world-structural-functional-and-evolutionary-insights
#10
Amitha Sampath Kumar, Divya Tej Sowpati, Rakesh K Mishra
Microsatellites or simple sequence repeats (SSR) are abundant, highly diverse stretches of short DNA repeats present in all genomes. Tandem mono/tri/hexanucleotide repeats in the coding regions contribute to single amino acids repeats (SAARs) in the proteome. While SSRs in the coding region always result in amino acid repeats, a majority of SAARs arise due to a combination of various codons representing the same amino acid and not as a consequence of SSR events. Certain amino acids are abundant in repeat regions indicating a positive selection pressure behind the accumulation of SAARs...
2016: PloS One
https://www.readbyqxmd.com/read/27886349/development-of-polymorphic-microsatellites-for-sillago-sihama-based-on-next-generation-sequencing-and-transferability-to-sillago-japonica
#11
R X Wu, H R Zhang, S F Niu, Y Zhai, X F Liu
Sillago sihama (Forsskål, 1775), a commercially important marine fishery species in the Indo-West Pacific, is being developed as a target species for aquaculture and stock enhancement in China. However, due to the limitations of traditional isolation methods, the available microsatellite loci, or simple sequence repeats (SSRs), of S. sihama lack diversity. We used a stepwise approach including Illumina sequencing, primer screening, and SSR marker validation to develop diverse SSRs for S. sihama. A total of 853...
November 21, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27886271/speciation-and-genetic-diversity-in-centaurea-subsect-phalolepis-in-anatolia
#12
Jordi López-Pujol, Sara López-Vinyallonga, Alfonso Susanna, Kuddisi Ertuğrul, Tuna Uysal, Osman Tugay, Arbi Guetat, Núria Garcia-Jacas
Mountains of Anatolia are one of the main Mediterranean biodiversity hotspots and their richness in endemic species amounts for 30% of the flora. Two main factors may account for this high diversity: the complex orography and its role as refugia during past glaciations. We have investigated seven narrow endemics of Centaurea subsection Phalolepis from Anatolia by means of microsatellites and ecological niche modelling (ENM), in order to analyse genetic polymorphisms and getting insights into their speciation...
November 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27882529/qtl-mapping-of-grain-quality-traits-using-introgression-lines-carrying-oryza-rufipogon-chromosome-segments-in-japonica-rice
#13
Yeo-Tae Yun, Chong-Tae Chung, Young-Ju Lee, Han-Jung Na, Jae-Chul Lee, Sun-Gye Lee, Kwang-Won Lee, Young-Hwan Yoon, Ju-Won Kang, Hyun-Sook Lee, Jong-Yeol Lee, Sang-Nag Ahn
BACKGROUND: Improved eating quality is a major breeding target in japonica rice due to market demand. Consequently, quantitative trait loci (QTL) for glossiness of cooked rice and amylose content associated with eating quality have received much research focus because of their importance in rice quality. RESULTS: In this study, QTL associated with 12 grain quality traits were identified using 96 introgression lines (IL) of rice developed from an interspecific cross between the Korean elite O...
December 2016: Rice
https://www.readbyqxmd.com/read/27881992/molecular-mapping-and-qtl-for-expression-profiles-of-flavonoid-genes-in-brassica-napus
#14
Cunmin Qu, Huiyan Zhao, Fuyou Fu, Kai Zhang, Jianglian Yuan, Liezhao Liu, Rui Wang, Xinfu Xu, Kun Lu, Jia-Na Li
Flavonoids are secondary metabolites that are extensively distributed in the plant kingdom and contribute to seed coat color formation in rapeseed. To decipher the genetic networks underlying flavonoid biosynthesis in rapeseed, we constructed a high-density genetic linkage map with 1089 polymorphic loci (including 464 SSR loci, 97 RAPD loci, 451 SRAP loci, and 75 IBP loci) using recombinant inbred lines (RILs). The map consists of 19 linkage groups and covers 2775 cM of the B. napus genome with an average distance of 2...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27880018/drought-related-secondary-metabolites-of-barley-hordeum-vulgare-l-leaves-and-their-mqtls
#15
Anna Piasecka, Aneta Sawikowska, Anetta Kuczyńska, Piotr Ogrodowicz, Krzysztof Mikołajczak, Karolina Krystkowiak, Kornelia Gudyś, Justyna Guzy-Wróbelska, Paweł Krajewski, Piotr Kachlicki
Determination of the role of plant secondary metabolites in stress conditions is problematic due to diversity of their structures and complexity of interdependence with different biological pathways. Correlation of the metabolomic data with the genetic background provides essential information on the features of metabolites. LC-MS analysis of leaf metabolites from 100 barley recombinant inbred lines (RILs) revealed that 98 traits among 135 detected phenolic and terpenoid compounds significantly changed the level as a result of drought stress...
November 23, 2016: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/27877203/past-and-present-dynamics-of-sorghum-and-pearl-millet-diversity-in-mount-kenya-region
#16
Vanesse Labeyrie, Monique Deu, Yann Dussert, Bernard Rono, Françoise Lamy, Charles Marangu, Dan Kiambi, Caroline Calatayud, Geo Coppens d'Eeckenbrugge, Thierry Robert, Christian Leclerc
Crop populations in smallholder farming systems are shaped by the interaction of biological, ecological, and social processes, occurring on different spatiotemporal scales. Understanding these dynamics is fundamental for the conservation of crop genetic resources. In this study, we investigated the processes involved in sorghum and pearl millet diversity dynamics on Mount Kenya. Surveys were conducted in ten sites distributed along two elevation transects and occupied by six ethnolinguistic groups. Varieties of both species grown in each site were inventoried and characterized using SSR markers...
December 2016: Evolutionary Applications
https://www.readbyqxmd.com/read/27872629/qtl-analysis-of-spike-morphological-traits-and-plant-height-in-winter-wheat-triticum-aestivum-l-using-a-high-density-snp-and-ssr-based-linkage-map
#17
Huijie Zhai, Zhiyu Feng, Jiang Li, Xinye Liu, Shihe Xiao, Zhongfu Ni, Qixin Sun
Wheat yield can be enhanced by modifying the spike morphology and the plant height. In this study, a population of 191 F9 recombinant inbred lines (RILs) was developed from a cross between two winter cultivars Yumai 8679 and Jing 411. A dense genetic linkage map with 10,816 markers was constructed by incorporating single nucleotide polymorphism (SNP) and simple sequence repeat (SSR) marker information. Five spike morphological traits and plant height were evaluated under nine environments for the RILs and parental lines, and the number of detected environmentally stable QTLs were 18 and three, respectively...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27871234/a-genome-wide-bac-end-sequence-survey-provides-first-insights-into-sweetpotato-ipomoea-batatas-l-lam-genome-composition
#18
Zengzhi Si, Bing Du, Jinxi Huo, Shaozhen He, Qingchang Liu, Hong Zhai
BACKGROUND: Sweetpotato, Ipomoea batatas (L.) Lam., is an important food crop widely grown in the world. However, little is known about the genome of this species because it is a highly heterozygous hexaploid. Gaining a more in-depth knowledge of sweetpotato genome is therefore necessary and imperative. In this study, the first bacterial artificial chromosome (BAC) library of sweetpotato was constructed. Clones from the BAC library were end-sequenced and analyzed to provide genome-wide information about this species...
November 21, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27868478/genetic-diversity-and-gene-flow-of-four-south-african-venturia-inaequalis-apple-scab-populations
#19
Trevor A Koopman, Julia Christine Meitz-Hopkins, Aletta E Bester-van der Merwe, Kenneth R Tobutt, Cecilia Bester, Cheryl L Lennox
Venturia inaequalis isolates were collected during the 2012/13 and 2013/14 seasons from the four principal apple growing regions of South Africa, Elgin (N=114), Koue Bokkeveld (N=126), Lower Langkloof (N=92) and Upper Langkloof (N=103). Sequence analysis of the ribosomal internal transcribed spacer (ITS) gene regions, and genotyping with six (2012/13) and seven (2013/14) microsatellite (SSR) markers, was conducted. A subset of 12 isolates from the individual ITS haplotype groups were sequenced for the translation elongation factor-1 alpha (TEF1) and the large subunit of the RNA polymerases II (RBP1) gene regions...
November 21, 2016: Phytopathology
https://www.readbyqxmd.com/read/27866228/fine-mapping-of-the-chromosome-5b-region-carrying-closely-linked-rust-resistance-genes-yr47-and-lr52-in-wheat
#20
Naeela Qureshi, Harbans Bariana, Kerrie Forrest, Matthew Hayden, Beat Keller, Thomas Wicker, Justin Faris, Elena Salina, Urmil Bansal
Fine mapping of Yr47 and Lr52 in chromosome arm 5BS of wheat identified close linkage of the marker sun180 to both genes and its robustness for marker-assisted selection was demonstrated. The widely effective and genetically linked rust resistance genes Yr47 and Lr52 have previously been mapped in the short arm of chromosome 5B in two F3 populations (Aus28183/Aus27229 and Aus28187/Aus27229). The Aus28183/Aus27229 F3 population was advanced to generate an F6 recombinant inbred line (RIL) population to identify markers closely linked with Yr47 and Lr52...
November 19, 2016: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
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