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Yan Wang, Tingting Li, Shanita Judith John, Mingjie Chen, Junli Chang, Guangxiao Yang, Guangyuan He
Drought is one of the major environmental stresses to plants. The calcium sensor, calcineurin B-like (CBL) proteins, and their interacting protein kinases (CIPK) play important roles in responding to abiotic stresses. In this study, we functionally characterized a CIPK gene from Triticum aestivum designated TaCIPK27. The transcriptional levels of TaCIPK27 were increased both in roots and leaves after treatment with polyethylene glycol 8000, abscisic acid and H2O2. Besides, TaCIPK27 interacted with AtCBL1, AtCBL3, AtCBL4, AtCBL5 and AtCBL9 in yeast two-hybrid assays...
December 1, 2017: Plant Physiology and Biochemistry: PPB
Qiuhui Wei, Fan Zhang, Fusheng Sun, Qingchen Luo, Ruibin Wang, Rui Hu, Mingjie Chen, Junli Chang, Guangxiao Yang, Guangyuan He
MYB transcription factors are involved in the regulation of plant development and response to biotic and abiotic stress. In this study, TaMyb1D, a novel subgroup 4 gene of the R2R3-MYB subfamily, was cloned from wheat (Triticum aestivum L.). TaMyb1D was localized in the nucleus and functioned as a transcriptional repressor. The overexpression of TaMyb1D in tobacco (Nicotiana tabacum) plants repressed the expression of genes related to phenylpropanoid metabolism and down-regulated the accumulation of lignin in stems and flavonoids in leaves...
December 2017: Plant Science: An International Journal of Experimental Plant Biology
Anjali Joshi, Simranjeet Kaur, Keya Dharamvir, Harsh Nayyar, Gaurav Verma
BACKGROUND: Reports of multi-walled carbon nanotubes (MWCNT) incorporated into plants have indicated better yield and productivity, yet the phenomena needs in-depth understanding especially when agricultural crops are tested. We primed wheat seeds with MWCNT to understand the effects on germination, growth, anatomy, physiology and yield. RESULT: This study, carried out in field conditions is a step forward over the previous reports. Early germination, excessive root hair, denser stomata & larger root length result in faster growth and higher yield of wheat plants...
December 8, 2017: Journal of the Science of Food and Agriculture
Julie King, Surbhi Grewal, Cai-Yun Yang, Stella Hubbart Edwards, Duncan Scholefield, Stephen Ashling, John A Harper, Alexandra M Allen, Keith J Edwards, Amanda J Burridge, Ian P King
Background and Aims: Bread wheat (Triticum aestivum) has been through a severe genetic bottleneck as a result of its evolution and domestication. It is therefore essential that new sources of genetic variation are generated and utilized. This study aimed to generate genome-wide introgressed segments from Aegilops speltoides. Introgressions generated from this research will be made available for phenotypic analysis. Methods: Aegilops speltoides was crossed as the male parent to T...
December 5, 2017: Annals of Botany
Panagiotis Dalias, Damianos Neocleous
The nitrogen (N) effect of legumes is one of the main reasons for their inclusion in rotation systems and their success in rainfed agriculture of Mediterranean areas. The comparative analysis of this effect in relation to alternative systems or practices is essential for a comprehensive appreciation in their merit. This field experiment was comprised of four three-year rotation cycles. Wheat (Triticum turgidum durum) was seeded for two consecutive years after common vetch (Vicia sativa L.), treated in three different ways, and after fallow and compared with three wheat monocultures: the conventional one, the continuous straw incorporation, and the sewage sludge incorporation once every three years...
December 6, 2017: Plants (Basel, Switzerland)
Fernando Maia de Oliveira, João Benhur Mokochinski, Yohandra Reyes Torres, Herta Stutz Dalla Santa, Pedro Pablo González-Borrero
This paper describes the application of the photoacoustic spectroscopic (PAS) for detection of bioactive compounds in Agaricus brasiliensis mycelium. The mycelium was cultivated by solid-state fermentation and by submerged fermentation. Vegetal residues from food industry were used as substrates for fermentation: apple pomace (Malus domestica), wheat (Triticum aestivum), peel and pomace of pineapple (Ananas comosus), malt (Hordeum vulgare) and grape pomace (Vitis vinifera). Dry and ground samples of biomass were directly put into the PA cell...
December 5, 2017: Journal of Biological Physics
Anna Gorczyca, Andrzej Oleksy, Dorota Gala-Czekaj, Monika Urbaniak, Magdalena Laskowska, Agnieszka Waśkiewicz, Łukasz Stępień
Durum wheat (Triticum turgidum var. durum) is an important crop in Europe, particularly in the Mediterranean countries. Fusarium head blight (FHB) is considered as one of the most damaging diseases, resulting in yield and quality reduction as well as contamination of grain with mycotoxins. Three winter durum wheat cultivars originating from Austria, Slovakia, and Poland were analyzed during 2012-2014 seasons for FHB incidence and Fusarium mycotoxin accumulation in harvested grain. Moreover, the effects of sowing density and delayed sowing date were evaluated in the climatic conditions of Southern Poland...
December 5, 2017: Die Naturwissenschaften
Nina V Evseeva, Oksana V Tkachenko, Gennady L Burygin, Larisa Yu Matora, Yuriy V Lobachev, Sergei Yu Shchyogolev
We evaluated the effect of lipopolysaccharides from the plant-growth-promoting associative bacterium Azospirillum brasilense Sp245 and from the enteric bacterium Escherichia coli K12 on the morphogenic potential of in vitro-growing somatic calluses of soft spring wheat (Triticum aestivum L. cv. Saratovskaya 29). A genetic model was used that included two near-isogenic lines of T. aestivum L. cv. Saratovskaya 29 with different embryogenic capacities; one of these lines carries the Rht-B1 dwarfing gene, whereas the other lacks it...
December 4, 2017: World Journal of Microbiology & Biotechnology
Andrey B Shcherban, Elena A Salina
The TaHOX-1 gene of common wheat Triticum aestivum L. (BAD-genome) encodes transcription factor (HD-Zip I) which is characterized by the presence of a DNA-binding homeodomain (HD) with an adjacent Leucine zipper (LZ) motif. This gene can play a role in adapting plant to a variety of abiotic stresses, such as drought, cold, salinity etc., which strongly affect wheat production. However, it's both functional role in stress resistance and divergence during wheat evolution has not yet been elucidated. This data in brief article is associated with the research paper "Structural and functional divergence of homoeologous copies of the TaHOX-1 gene in polyploid wheats and their diploid ancestors"...
February 2018: Data in Brief
Govindan Velu, Ravi P Singh, Julio Huerta, Carlos Guzmán
Wheat is a major staple food crop providing about 20% of dietary energy and proteins, and food products made of whole grain wheat are a major source of micronutrients like Zinc (Zn), Iron (Fe), Manganese (Mn), Magnesium (Mg), Vitamin B and E. Wheat provides about 40% intake of essential micronutrients by humans in the developing countries relying on wheat based diets. Varieties with genetically enhanced levels of grain micronutrient concentrations can provide a cost-effective and sustainable option to resource poor wheat consumers...
December 2017: Field Crops Research
Albert W Schulthess, Yusheng Zhao, C Friedrich H Longin, Jochen C Reif
Predictabilities for wheat hybrids less related to the estimation set were improved by shifting from single- to multiple-trait genomic prediction of Fusarium head blight severity. Breeding for improved Fusarium head blight resistance (FHBr) of wheat is a very laborious and expensive task. FHBr complexity is mainly due to its highly polygenic nature and because FHB severity (FHBs) is greatly influenced by the environment. Associated traits plant height and heading date may provide additional information related to FHBr, but this is ignored in single-trait genomic prediction (STGP)...
December 2, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
Lingyao Kong, Cheng Chang
Wheat TaCDK8 interacts with TaWIN1 to regulate very-long-chain aldehyde biosynthesis required for efficient germination of Blumeria graminis f.sp. tritici. Powdery mildew caused by Blumeria graminis f.sp. tritici (Bgt) is a devastating disease of common wheat (Triticum aestivum L.). Bgt infection initiates with its conidia germination on the aerial surface of wheat. In this study, we isolated the cyclin-dependent kinase 8 (TaCDK8) from wheat cultivar Jing411 and found that silencing of TaCDK8 impeded Bgt germination...
December 2, 2017: Plant Molecular Biology
Roberto Gotti, Elisa Amadesi, Jessica Fiori, Sara Bosi, Valeria Bregola, Ilaria Marotti, Giovanni Dinelli
Phenolic compounds have received great attention among the health promoting phytochemicals in common wheat (Triticum aestivum L.), mainly because of their strong antioxidant properties. In the present study a simple Capillary Zone Electrophoresis (CZE) method with UV detection was optimized and validated for the quantitation of six of the most important phenolic acids in whole grain i.e., sinapic, ferulic, syringic, p-coumaric, vanillic and p-hydroxybenzoic acid. The separation was achieved in a running buffer composed of sodium phosphate solution (50 mM) in water/methanol 80:20 (v/v) at pH 6...
November 26, 2017: Journal of Chromatography. A
Lei Lei, Genqiao Li, Hailin Zhang, Carol Powers, Tilin Fang, Yihua Chen, Shuwen Wang, Xinkai Zhu, Brett F Carver, Liuling Yan
Wheat (Triticum aestivum) has low nitrogen use efficiency (NUE). The genetic mechanisms controlling NUE are unknown. Positional cloning of a major quantitative trait locus (QTL) for N-related agronomic traits showed that the vernalization gene TaVRN-A1 was tightly linked with TaNUE1, the gene shown to influence NUE in wheat. Because of an Ala180 /Val180 substitution, TaVRN-A1a and TaVRN-A1b proteins interact differentially with TaANR1, a protein encoded by a wheat orthologue of Arabidopsis nitrate regulated 1 (ANR1)...
November 28, 2017: Plant Biotechnology Journal
Huawei Liu, Xiaojing Wang, Huaiting Qi, Qian Wang, Yongchao Chen, Qiang Li, Yuying Zhang, Li Qiu, Julia Elise Fontana, Baohong Zhang, Weiling Wang, Yingge Xie
Based on our previous study, cereal crop wheat (Triticum aestivum L.) could be infected by rhizobia Azorhizobium caulinodans ORS571, and form para-nodules with the induction of 2.4-dichlorophenoxyacetic acid, a common plant growth regulator. To enhance this infection and the potential agricultural application, we compared six different infection methods (Direct seed dip; Seed germination dip; Pruned-root dip; Foliar spray; Circum-soil dip; Seed dip and circum-soil dip) for achieving the high efficient infection of A...
2017: PloS One
Rui Wang, Qiqi Sun, Ying Wang, Wei Zheng, Lunguang Yao, Yaxian Hu, Shengli Guo
Land use plays an essential role in regional carbon cycling, potentially influencing the exchange rates of CO2 flux between soil and the atmosphere in terrestrial ecosystems. Temperature sensitivity of soil respiration (Q10), as an efficient parameter to reflect the possible feedback between the global carbon cycle and climate change, has been extensively studied. However, very few reports have assessed the difference in temperature sensitivity of soil respiration under different land use types. In this study, a three-year field experiment was conducted in cropland (winter wheat, Triticum aestivum L...
November 27, 2017: Science of the Total Environment
Umar M Quraishi, Caroline Pont, Qurat-Ul Ain, Raphael Flores, Laura Burlot, Michael Alaux, Hadi Quesneville, Jerome Salse
The high resolution integration of bread wheat genetic and genomic resources accumulated during the last decades offers the opportunity to unveil candidate genes driving major agronomical traits to an unprecedented scale. We combined 27 public quantitative genetic studies and four genetic maps to deliver an exhaustive consensus map consisting of 140,315 molecular markers hosting 221, 73, and 82 Quantitative Trait Loci (QTL) for respectively yield, baking quality, and grain protein content (GPC) related traits...
2017: Frontiers in Plant Science
Ayse Nur Yuksel, Mehmet Durdu Öner, Mustafa Bayram
Couscous is produced traditionally by agglomeration of Triticum durum semolina with water. The aims of this study were: to produce couscous-like product by substitution of semolina with bulgur by-product (undersize bulgur); to find optimum quantity of bulgur flour and processing conditions. In order to determine the optimum processing parameters and recipes; 0, 25 and 50% of bulgur containing couscous-like samples were prepared. The color, yield, sensory properties, total phenol and flavonoid contents, bulk density, protein and ash content, texture properties were determined...
December 2017: Journal of Food Science and Technology
Mark A Adams, Thomas N Buckley, William T Salter, Nina Buchmann, Carola H Blessing, Tarryn L Turnbull
In nonagricultural systems, the relationship between intrinsic water-use efficiency (WUEi ) and leaf nitrogen (Narea ) is known to be stronger for legumes than for nonlegumes. We tested whether these relationships are retained for major agricultural legumes and nonlegumes. We compared the response to N nutrition of WUEi (and its component parts, photosynthesis (Asat ) and stomatal conductance (gs )) for legumes Cicer arietinum, Glycine max, Lupinus alba and Vicia faba, nonlegume dicots Brassica napus and Helianthus annus, and nonlegume cereals Hordeum vulgare and Triticum aestivum...
November 27, 2017: New Phytologist
Manuel Geyer, Theresa Albrecht, Lorenz Hartl, Volker Mohler
Hybrid wheat breeding has the potential to significantly increase wheat productivity compared to line breeding. The induction of male sterility by the cytoplasm of Triticum timopheevii Zhuk. is a widely discussed approach to ensure cross-pollination between parental inbred lines in hybrid wheat seed production. As fertility restoration in hybrids with this cytoplasm is often incomplete, understanding the underlying genetics is a prerequisite to apply this technology. A promising component for fertility restoration is the restorer locus Rf1, which was first detected on chromosome 1A of the restorer accession R3...
November 24, 2017: Molecular Genetics and Genomics: MGG
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