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https://www.readbyqxmd.com/read/30327846/detection-and-validation-of-a-novel-major-qtl-for-resistance-to-fusarium-head-blight-from-triticum-aestivum-in-the-terminal-region-of-chromosome-7dl
#1
Junda Ren, Zhen Wang, Ziyi Du, Mingzhe Che, Yibin Zhang, Wei Quan, Yongji Wang, Xu Jiang, Zhongjun Zhang
A novel QTL for FHB resistance was mapped on wheat 7DL, being effective in multiple genetic backgrounds and environments, and comparable to Fhb1 in effect magnitude. Fusarium head blight (FHB) is one of the major fungal diseases affecting wheat production in many countries. The wheat line AQ24788-83 (AQ) possesses FHB resistance. The American wheat cultivar Luke is FHB susceptible. A Luke × AQ population consisting of 1652 advanced recombinant inbred lines (RILs) was developed, from which 272 RILs were randomly sampled and used to construct a linkage map...
October 16, 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/30327845/discovering-new-alleles-for-yellow-spot-resistance-in-the-vavilov-wheat-collection
#2
Eric G Dinglasan, Dharmendra Singh, Manisha Shankar, Olga Afanasenko, Greg Platz, Ian D Godwin, Kai P Voss-Fels, Lee T Hickey
GWAS detected 11 yellow spot resistance QTL in the Vavilov wheat collection. Promising adult-plant resistance loci could provide a sustainable genetic solution to yellow spot in modern wheat varieties. Yellow spot, caused by the fungal pathogen Pyrenophora tritici-repentis (Ptr), is the most economically damaging foliar disease of wheat in Australia. Genetic resistance is considered to be the most sustainable means for disease management, yet the genomic regions underpinning resistance to Ptr, particularly adult-plant resistance (APR), remain vastly unknown...
October 16, 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/30307951/high-density-genetic-mapping-of-fusarium-head-blight-resistance-qtl-in-tetraploid-wheat
#3
Ehsan Sari, Samia Berraies, Ron E Knox, Asheesh K Singh, Yuefeng Ruan, Richard D Cuthbert, Curtis J Pozniak, Maria Antonia Henriquez, Santosh Kumar, Andrew J Burt, Amidou N'Diaye, David J Konkin, Adrian L Cabral, Heather L Campbell, Krystalee Wiebe, Janet Condie, Prabhath Lokuruge, Brad Meyer, George Fedak, Fran R Clarke, John M Clarke, Daryl J Somers, Pierre R Fobert
Breeding for Fusarium head blight (FHB) resistance in durum wheat is complicated by the quantitative trait expression and narrow genetic diversity of available resources. High-density mapping of the FHB resistance quantitative trait loci (QTL), evaluation of their co-localization with plant height and maturity QTL and the interaction among the identified QTL are the objectives of this study. Two doubled haploid (DH) populations, one developed from crosses between Triticum turgidum ssp. durum lines DT707 and DT696 and the other between T...
2018: PloS One
https://www.readbyqxmd.com/read/30267114/dissection-of-two-quantitative-trait-loci-with-pleiotropic-effects-on-plant-height-and-spike-length-linked-in-coupling-phase-on-the-short-arm-of-chromosome-2d-of-common-wheat-triticum-aestivum-l
#4
Lingling Chai, Zhaoyan Chen, Ruolin Bian, Huijie Zhai, Xuejiao Cheng, Huiru Peng, Yingyin Yao, Zhaorong Hu, Mingming Xin, Weilong Guo, Qixin Sun, Aiju Zhao, Zhongfu Ni
Two QTL with pleiotropic effects on plant height and spike length linked in coupling phase on chromosome 2DS were dissected, and diagnostic marker for each QTL was developed. Plant height (PHT) is a crucial trait related to plant architecture and yield potential, and dissection of its underlying genetic basis would help to improve the efficiency of designed breeding in wheat. Here, two quantitative trait loci (QTL) linked in coupling phase on the short arm of chromosome 2D with pleiotropic effects on PHT and spike length, QPht/Sl...
September 28, 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/30261155/genomic-dissection-of-nonhost-resistance-to-wheat-stem-rust-in-brachypodium-distachyon
#5
Rafael Della Coletta, Candice N Hirsch, Matthew N Rouse, Aaron Lorenz, David F Garvin
The emergence of new races of Puccinia graminis f.sp. tritici (Pgt), the causal pathogen of wheat stem rust, has spurred interest in developing durable resistance to this disease in wheat. Nonhost resistance holds promise to help control this and other diseases because it is durable against non-adapted pathogens. However, the genetic and molecular basis of nonhost resistance to wheat stem rust is poorly understood. In this study, the model grass Brachypodium distachyon (Brachypodium), a nonhost of Pgt, was used to genetically dissect nonhost resistance to wheat stem rust...
September 27, 2018: Molecular Plant-microbe Interactions: MPMI
https://www.readbyqxmd.com/read/30255337/identification-of-qtl-regions-for-seedling-root-traits-and-their-effect-on-nitrogen-use-efficiency-in-wheat-triticum-aestivum-l
#6
Xiaoli Fan, Wei Zhang, Na Zhang, Mei Chen, Shusong Zheng, Chunhua Zhao, Jie Han, Jiajia Liu, Xilan Zhang, Liqiang Song, Jun Ji, Xigang Liu, Hongqing Ling, Yiping Tong, Fa Cui, Tao Wang, Junming Li
QTL for a wheat ideotype root system and its plasticity to nitrogen deficiency were characterized. Root system architecture-related traits (RRTs) and their plasticity to nitrogen availability are important for nitrogen acquisition and yield formation in wheat (Triticum aestivum L.). In this study, quantitative trait loci (QTL) analysis was conducted under different nitrogen conditions, using the seedlings of 188 recombinant inbred lines derived from a cross between Kenong 9204 and Jing 411. Fifty-three QTL for seven RRTs and fourteen QTL for the plasticity of these RRTs to nitrogen deficiency were detected...
September 25, 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/30231049/genetic-analysis-of-resistance-to-stripe-rust-in-durum-wheat-triticum-turgidum-l-var-durum
#7
Xue Lin, Amidou N'Diaye, Sean Walkowiak, Kirby T Nilsen, Aron T Cory, Jemanesh Haile, Hadley R Kutcher, Karim Ammar, Alexander Loladze, Julio Huerta-Espino, John M Clarke, Yuefeng Ruan, Ron Knox, Pierre Fobert, Andrew G Sharpe, Curtis J Pozniak
Stripe rust, caused by the fungal pathogen Puccinia striiformis Westend. f. sp. tritici Eriks, is an important disease of bread wheat (Triticum aestivum L.) worldwide and there is an indication that it may also become a serious disease of durum wheat (T. turgidum L. var. durum). Therefore, we investigated the genetic architecture underlying resistance to stripe rust in adapted durum wheat germplasm. Wheat infection assays were conducted under controlled conditions in Canada and under field conditions in Mexico...
2018: PloS One
https://www.readbyqxmd.com/read/30218294/genome-wide-association-study-of-heading-and-flowering-dates-and-construction-of-its-prediction-equation-in-chinese-common-wheat
#8
REVIEW
Xiangfen Zhang, Jianhui Chen, Yan Yan, Xuefang Yan, Chaonan Shi, Lei Zhao, Feng Chen
Heading date is one of the most important traits in wheat breeding as it affects adaptation and yield potential. A genome-wide association study (GWAS) using the 90 K iSelect SNP genotyping assay indicated that a total of 306 loci were significantly associated with heading and flowering dates in 13 environments in Chinese common wheat from the Yellow and Huai wheat region. Of these, 105 loci were significantly correlated with both heading and flowering dates and were found in clusters on chromosomes 2, 5, 6, and 7...
September 14, 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/30213041/characterizing-virulence-of-the-pyrenophora-tritici-repentis-isolates-lacking-both-toxa-and-toxb-genes
#9
Jingwei Guo, Gongjun Shi, Zhaohui Liu
The fungus Pyrenophora tritici-repentis ( Ptr ) causes tan spot of wheat crops, which is an important disease worldwide. Based on the production of the three known necrotrophic effectors (NEs), the fungal isolates are classified into eight races with race 4 producing no known NEs. From a laboratory cross between 86⁻124 (race 2 carrying the ToxA gene for the production of Ptr ToxA) and DW5 (race 5 carrying the ToxB gene for the production of Ptr ToxB), we have obtained some Ptr isolates lacking both the ToxA and ToxB genes, which, by definition, should be classified as race 4...
September 12, 2018: Pathogens
https://www.readbyqxmd.com/read/30211634/quantitative-trait-loci-conferring-leaf-rust-resistance-in-hexaploid-wheat
#10
Gerarda Beatriz Pinto da Silva, Camila Martini Zanella, José Antônio Martinelli, Marcia Soares Chaves, Colin W Hiebert, Brent McCallum, Lesley Boyd
Leaf rust, caused by the fungal pathogen Puccinia triticina, is a major threat to wheat production in many wheat growing regions of the world. The introduction of leaf rust resistance genes into elite wheat germplasm is the preferred method of disease control, being environmentally friendly and crucial to sustained wheat production. Consequently, there is considerable value in identifying and characterizing new sources of leaf rust resistance. While many major, qualitative leaf rust resistance genes have been identified in wheat, a growing number of valuable sources of quantitative resistance have been reported...
September 13, 2018: Phytopathology
https://www.readbyqxmd.com/read/30157778/transcriptome-dynamics-associated-with-resistance-and-susceptibility-against-fusarium-head-blight-in-four-wheat-genotypes
#11
Youlian Pan, Ziying Liu, Hélène Rocheleau, François Fauteux, Yunli Wang, Curt McCartney, Thérèse Ouellet
BACKGROUND: Fusarium head blight (FHB) of wheat in North America is caused mostly by the fungal pathogen Fusarium graminearum (Fg). Upon exposure to Fg, wheat initiates a series of cellular responses involving massive transcriptional reprogramming. In this study, we analyzed transcriptomics data of four wheat genotypes (Nyubai, Wuhan 1, HC374, and Shaw), at 2 and 4 days post inoculation (dpi) with Fg, using RNA-seq technology. RESULTS: A total of 37,772 differentially expressed genes (DEGs) were identified, 28,961 from wheat and 8811 from the pathogen...
August 29, 2018: BMC Genomics
https://www.readbyqxmd.com/read/30150865/qtl-mapping-for-some-grain-traits-in-bread-wheat-triticum-aestivum-l
#12
Supriya Kumari, Vandana Jaiswal, Vinod Kumar Mishra, Rajneesh Paliwal, Harindra Singh Balyan, Pushpendra Kumar Gupta
Grain traits are important agronomic attributes with the market value as well as milling yield of bread wheat. In the present study, quantitative trait loci (QTL) regulating grain traits in wheat were identified. Data for grain area size (GAS), grain width (GWid), factor form density (FFD), grain length-width ratio (GLWR), thousand grain weight (TGW), grain perimeter length (GPL) and grain length (GL) were recorded on a recombinant inbred line derived from the cross of NW1014 × HUW468 at Meerut and Varanasi locations...
September 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/30136107/development-and-validation-of-diagnostic-markers-for-fhb1-region-a-major-qtl-for-fusarium-head-blight-resistance-in-wheat
#13
Zhenqi Su, Sujuan Jin, Dadong Zhang, Guihua Bai
Functional markers were developed based on the critical sequence deletion of TaHRC in the Fhb1 region and validated to be diagnostic in a worldwide wheat collection. Wheat Fusarium head blight (FHB) is a devastating disease in wheat and barley worldwide. Growing FHB-resistant cultivars is an effective strategy to minimize FHB damage in wheat production. Fhb1 is a quantitative trait locus for FHB resistance with the largest effect on disease severity identified to date. With this study, we developed diagnostic DNA markers for Fhb1 by comparing the genomic sequences in Fhb1 region between near-isogenic lines contrasting in Fhb1 alleles and phenotypic effects of the markers...
November 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/30128740/assessing-the-variation-and-genetic-architecture-of-asparagine-content-in-wheat-what-can-plant-breeding-contribute-to-a-reduction-in-the-acrylamide-precursor
#14
Matthias Rapp, Klaus Schwadorf, Willmar L Leiser, Tobias Würschum, C Friedrich H Longin
A large genetic variation, moderately high heritability, and promising prediction ability for genomic selection show that wheat breeding can substantially reduce the acrylamide forming potential in bread wheat by a reduction in its precursor asparagine. Acrylamide is a potentially carcinogenic substance that is formed in baked products of wheat via the Maillard reaction from carbonyl sources and asparagine. In bread, the acrylamide content increases almost linearly with the asparagine content of the wheat grains...
November 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/30123226/genome-wide-association-studies-to-identify-loci-and-candidate-genes-controlling-kernel-weight-and-length-in-a-historical-united-states-wheat-population
#15
Sintayehu D Daba, Priyanka Tyagi, Gina Brown-Guedira, Mohsen Mohammadi
Although kernel weight (KW) is a major component of grain yield, its contribution to yield genetic gain during breeding history has been minimal. This highlights an untapped potential for further increases in yield via improving KW. We investigated variation and genetics of KW and kernel length (KL) via genome-wide association studies (GWAS) using a historical and contemporary soft red winter wheat population representing 200 years of selection and breeding history in the United States. The observed changes of KW and KL over time did not show any conclusive trend...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/30115783/shifting-the-limits-in-wheat-research-and-breeding-using-a-fully-annotated-reference-genome
#16
Rudi Appels, Kellye Eversole, Catherine Feuillet, Beat Keller, Jane Rogers, Nils Stein, Curtis J Pozniak, Nils Stein, Frédéric Choulet, Assaf Distelfeld, Kellye Eversole, Jesse Poland, Jane Rogers, Gil Ronen, Andrew G Sharpe, Curtis Pozniak, Gil Ronen, Nils Stein, Omer Barad, Kobi Baruch, Frédéric Choulet, Gabriel Keeble-Gagnère, Martin Mascher, Andrew G Sharpe, Gil Ben-Zvi, Ambre-Aurore Josselin, Nils Stein, Martin Mascher, Axel Himmelbach, Frédéric Choulet, Gabriel Keeble-Gagnère, Martin Mascher, Jane Rogers, François Balfourier, Juan Gutierrez-Gonzalez, Matthew Hayden, Ambre-Aurore Josselin, ChuShin Koh, Gary Muehlbauer, Raj K Pasam, Etienne Paux, Curtis J Pozniak, Philippe Rigault, Andrew G Sharpe, Josquin Tibbits, Vijay Tiwari, Frédéric Choulet, Gabriel Keeble-Gagnère, Martin Mascher, Ambre-Aurore Josselin, Jane Rogers, Manuel Spannagl, Frédéric Choulet, Daniel Lang, Heidrun Gundlach, Georg Haberer, Gabriel Keeble-Gagnère, Klaus F X Mayer, Danara Ormanbekova, Etienne Paux, Verena Prade, Hana Šimková, Thomas Wicker, Frédéric Choulet, Manuel Spannagl, David Swarbreck, Hélène Rimbert, Marius Felder, Nicolas Guilhot, Heidrun Gundlach, Georg Haberer, Gemy Kaithakottil, Jens Keilwagen, Daniel Lang, Philippe Leroy, Thomas Lux, Klaus F X Mayer, Sven Twardziok, Luca Venturini, Rudi Appels, Hélène Rimbert, Frédéric Choulet, Angéla Juhász, Gabriel Keeble-Gagnère, Frédéric Choulet, Manuel Spannagl, Daniel Lang, Michael Abrouk, Georg Haberer, Gabriel Keeble-Gagnère, Klaus F X Mayer, Thomas Wicker, Frédéric Choulet, Thomas Wicker, Heidrun Gundlach, Daniel Lang, Manuel Spannagl, Daniel Lang, Manuel Spannagl, Rudi Appels, Iris Fischer, Cristobal Uauy, Philippa Borrill, Ricardo H Ramirez-Gonzalez, Rudi Appels, Dominique Arnaud, Smahane Chalabi, Boulos Chalhoub, Frédéric Choulet, Aron Cory, Raju Datla, Mark W Davey, Matthew Hayden, John Jacobs, Daniel Lang, Stephen J Robinson, Manuel Spannagl, Burkhard Steuernagel, Josquin Tibbits, Vijay Tiwari, Fred van Ex, Brande B H Wulff, Curtis J Pozniak, Stephen J Robinson, Andrew G Sharpe, Aron Cory, Moussa Benhamed, Etienne Paux, Abdelhafid Bendahmane, Lorenzo Concia, David Latrasse, Jane Rogers, John Jacobs, Michael Alaux, Rudi Appels, Jan Bartoš, Arnaud Bellec, Hélène Berges, Jaroslav Doležel, Catherine Feuillet, Zeev Frenkel, Bikram Gill, Abraham Korol, Thomas Letellier, Odd-Arne Olsen, Hana Šimková, Kuldeep Singh, Miroslav Valárik, Edwin van der Vossen, Sonia Vautrin, Song Weining, Abraham Korol, Zeev Frenkel, Tzion Fahima, Vladimir Glikson, Dina Raats, Jane Rogers, Vijay Tiwari, Bikram Gill, Etienne Paux, Jesse Poland, Jaroslav Doležel, Jarmila Číhalíková, Hana Šimková, Helena Toegelová, Jan Vrána, Pierre Sourdille, Benoit Darrier, Rudi Appels, Manuel Spannagl, Daniel Lang, Iris Fischer, Danara Ormanbekova, Verena Prade, Delfina Barabaschi, Luigi Cattivelli, Pilar Hernandez, Sergio Galvez, Hikmet Budak, Burkhard Steuernagel, Jonathan D G Jones, Kamil Witek, Brande B H Wulff, Guotai Yu, Ian Small, Joanna Melonek, Ruonan Zhou, Angéla Juhász, Tatiana Belova, Rudi Appels, Odd-Arne Olsen, Kostya Kanyuka, Robert King, Kirby Nilsen, Sean Walkowiak, Curtis J Pozniak, Richard Cuthbert, Raju Datla, Ron Knox, Krysta Wiebe, Daoquan Xiang, Antje Rohde, Timothy Golds, Jaroslav Doležel, Jana Čížková, Josquin Tibbits, Hikmet Budak, Bala Ani Akpinar, Sezgi Biyiklioglu, Gary Muehlbauer, Jesse Poland, Liangliang Gao, Juan Gutierrez-Gonzalez, Amidou N'Daiye, Jaroslav Doležel, Hana Šimková, Jarmila Číhalíková, Marie Kubaláková, Jan Šafář, Jan Vrána, Hélène Berges, Arnaud Bellec, Sonia Vautrin, Michael Alaux, Françoise Alfama, Anne-Françoise Adam-Blondon, Raphael Flores, Claire Guerche, Thomas Letellier, Mikaël Loaec, Hadi Quesneville, Curtis J Pozniak, Andrew G Sharpe, Sean Walkowiak, Hikmet Budak, Janet Condie, Jennifer Ens, ChuShin Koh, Ron Maclachlan, Yifang Tan, Thomas Wicker, Frédéric Choulet, Etienne Paux, Adriana Alberti, Jean-Marc Aury, François Balfourier, Valérie Barbe, Arnaud Couloux, Corinne Cruaud, Karine Labadie, Sophie Mangenot, Patrick Wincker, Bikram Gill, Gaganpreet Kaur, Mingcheng Luo, Sunish Sehgal, Kuldeep Singh, Parveen Chhuneja, Om Prakash Gupta, Suruchi Jindal, Parampreet Kaur, Palvi Malik, Priti Sharma, Bharat Yadav, Nagendra K Singh, JitendraP Khurana, Chanderkant Chaudhary, Paramjit Khurana, Vinod Kumar, Ajay Mahato, Saloni Mathur, Amitha Sevanthi, Naveen Sharma, Ram Sewak Tomar, Jane Rogers, John Jacobs, Michael Alaux, Arnaud Bellec, Hélène Berges, Jaroslav Doležel, Catherine Feuillet, Zeev Frenkel, Bikram Gill, Abraham Korol, Edwin van der Vossen, Sonia Vautrin, Bikram Gill, Gaganpreet Kaur, Mingcheng Luo, Sunish Sehgal, Jan Bartoš, Kateřina Holušová, Ondřej Plíhal, Matthew D Clark, Darren Heavens, George Kettleborough, Jon Wright, Miroslav Valárik, Michael Abrouk, Barbora Balcárková, Kateřina Holušová, Yuqin Hu, Mingcheng Luo, Elena Salina, Nikolai Ravin, Konstantin Skryabin, Alexey Beletsky, Vitaly Kadnikov, Andrey Mardanov, Michail Nesterov, Andrey Rakitin, Ekaterina Sergeeva, Hirokazu Handa, Hiroyuki Kanamori, Satoshi Katagiri, Fuminori Kobayashi, Shuhei Nasuda, Tsuyoshi Tanaka, Jianzhong Wu, Rudi Appels, Matthew Hayden, Gabriel Keeble-Gagnère, Philippe Rigault, Josquin Tibbits, Odd-Arne Olsen, Tatiana Belova, Federica Cattonaro, Min Jiumeng, Karl Kugler, Klaus F X Mayer, Matthias Pfeifer, Simen Sandve, Xu Xun, Bujie Zhan, Hana Šimková, Michael Abrouk, Jacqueline Batley, Philipp E Bayer, David Edwards, Satomi Hayashi, Helena Toegelová, Zuzana Tulpová, Paul Visendi, Song Weining, Licao Cui, Xianghong Du, Kewei Feng, Xiaojun Nie, Wei Tong, Le Wang, Philippa Borrill, Heidrun Gundlach, Sergio Galvez, Gemy Kaithakottil, Daniel Lang, Thomas Lux, Martin Mascher, Danara Ormanbekova, Verena Prade, Ricardo H Ramirez-Gonzalez, Manuel Spannagl, Nils Stein, Cristobal Uauy, Luca Venturini, Nils Stein, Rudi Appels, Kellye Eversole, Jane Rogers, Philippa Borrill, Luigi Cattivelli, Frédéric Choulet, Pilar Hernandez, Kostya Kanyuka, Daniel Lang, Martin Mascher, Kirby Nilsen, Etienne Paux, Curtis J Pozniak, Ricardo H Ramirez-Gonzalez, Hana Šimková, Ian Small, Manuel Spannagl, David Swarbreck, Cristobal Uauy
An annotated reference sequence representing the hexaploid bread wheat genome in 21 pseudomolecules has been analyzed to identify the distribution and genomic context of coding and noncoding elements across the A, B, and D subgenomes. With an estimated coverage of 94% of the genome and containing 107,891 high-confidence gene models, this assembly enabled the discovery of tissue- and developmental stage-related coexpression networks by providing a transcriptome atlas representing major stages of wheat development...
August 17, 2018: Science
https://www.readbyqxmd.com/read/30110906/omics-approaches-for-engineering-wheat-production-under-abiotic-stresses
#17
REVIEW
Tariq Shah, Jinsong Xu, Xiling Zou, Yong Cheng, Mubasher Nasir, Xuekun Zhang
Abiotic stresses greatly influenced wheat productivity executed by environmental factors such as drought, salt, water submergence and heavy metals. The effective management at the molecular level is mandatory for a thorough understanding of plant response to abiotic stress. Understanding the molecular mechanism of stress tolerance is complex and requires information at the omic level. In the areas of genomics, transcriptomics and proteomics enormous progress has been made in the omics field. The rising field of ionomics is also being utilized for examining abiotic stress resilience in wheat...
August 14, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/30109392/a-55-k-snp-array-based-genetic-map-and-its-utilization-in-qtl-mapping-for-productive-tiller-number-in-common-wheat
#18
Jiajun Liu, Wei Luo, Nana Qin, Puyang Ding, Han Zhang, Congcong Yang, Yang Mu, Huaping Tang, Yaxi Liu, Wei Li, Qiantao Jiang, Guoyue Chen, Yuming Wei, Youliang Zheng, Chunji Liu, Xiujin Lan, Jian Ma
A high-density genetic map constructed with a wheat 55 K SNP array was highly consistent with the physical map of this species and it facilitated the identification of a novel major QTL for productive tiller number. Productive tiller number (PTN) plays a key role in wheat grain yield. In this study, a recombinant inbred line population with 199 lines derived from a cross between '20828' and 'Chuannong16' was used to construct a high-density genetic map using wheat 55 K single nucleotide polymorphism (SNP) array...
November 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/30100918/genome-wide-linkage-mapping-reveals-qtls-for-seed-vigor-related-traits-under-artificial-aging-in-common-wheat-triticum-aestivum
#19
Jinghong Zuo, Jindong Liu, Fengmei Gao, Guihong Yin, Zhi Wang, Fengying Chen, Xiaoying Li, Jimei Xu, Tiantian Chen, Lei Li, Yu Li, Xianchun Xia, Hong Cao, Yongxiu Liu
Long-term storage of seeds leads to lose seed vigor with slow and non-uniform germination. Time, rate, homogeneity, and synchrony are important aspects during the dynamic germination process to assess seed viability after storage. The aim of this study is to identify quantitative trait loci (QTLs) using a high-density genetic linkage map of common wheat ( Triticum aestivum ) for seed vigor-related traits under artificial aging. Two hundred and forty-six recombinant inbred lines derived from the cross between Zhou 8425B and Chinese Spring were evaluated for seed storability...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/30092756/putative-candidate-genes-responsible-for-leaf-rolling-in-rye-secale-cereale-l
#20
Beata Myśków, Magdalena Góralska, Natalia Lenarczyk, Ilona Czyczyło-Mysza, Stefan Stojałowski
BACKGROUND: Rolling of leaves (RL) is a phenomenon commonly found in grasses. Morphology of the leaf is an important agronomic trait in field crops especially in rice; therefore, majority of the rice breeders are interested in RL. There are only few studies with respect to RL of wheat and barley; however, the information regarding the genetic base of RL with respect to the shape of leaf in rye is lacking. To the best of our knowledge, this is the first study on the localization of loci controlling RL on high density consensus genetic map of rye...
August 9, 2018: BMC Genetics
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