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Salar Rezapour, Behnaz Atashpaz, Sina Siavash Moghaddam, Christos A Damalas
Irrigation with raw or diluted wastewater increases in many developing countries, but the increasing availability and use of wastewater generates challenges for public agencies charged with minimizing potential impacts on public health and the environment. In this study, the available (DTPA-extractable) concentration of Zn, Cu, Cd, Pb, and Ni in the surface soil was measured in five sites irrigated with treated wastewater as compared with a site irrigated with freshwater (control). The major sources of wastewater were municipal wastewater, household, commercial, and industrial effluents, which were treated to settle and remove solids prior its use for irrigation...
November 20, 2018: Science of the Total Environment
Yali Zhang, Linsheng Wang
Leymus racemosus had a high resistant capacity to wheat scab (Fusarum head blight). The transfer of scab resistant gene from L. racemosus to Triticum aestivum is of great significance for broadening the germplasm of wheat resistance. To obtain Triticum aestivum-Leymus racemosus translocation line with scab resistance, we irradiated the pollen of T. aestivum-L. racemosus disomic addition line DA7Lr by ⁶⁰Co-γ-rays 1 200 R (100 R/min) prior to pollinating to emasculation T. aestivum cv. Chinese Spring. One plant with one translocation chromosome was detected in the M1 by GISH...
November 25, 2018: Sheng Wu Gong Cheng Xue Bao, Chinese Journal of Biotechnology
Rui Hu, Jie Xiao, Ting Gu, Xiaofen Yu, Yang Zhang, Junli Chang, Guangxiao Yang, Guangyuan He
Following the publication of this article [1], the authors reported the following errors.
November 29, 2018: BMC Genomics
Sarah D Battenfield, Jaime L Sheridan, Luciano D C E Silva, Kelci J Miclaus, Susanne Dreisigacker, Russell D Wolfinger, Roberto J Peña, Ravi P Singh, Eric W Jackson, Allan K Fritz, Carlos Guzmán, Jesse A Poland
One of the biggest challenges for genetic studies on natural or unstructured populations is the unbalanced datasets where individuals are measured at different times and environments. This problem is also common in crop and animal breeding where many individuals are only evaluated for a single year and large but unbalanced datasets can be generated over multiple years. Many wheat breeding programs have focused on increasing bread wheat (Triticum aestivum L.) yield, but processing and end-use quality are critical components when considering its use in feeding the rising population of the next century...
2018: PloS One
Nidhi Rawat, Adam Schoen, Lovepreet Singh, Alexander Mahlandt, Duane L Wilson, Sanzhen Liu, Guifang Lin, Bikram S Gill, Vijay K Tiwari
Aegilops tauschii (2n = 2x = 14, genome DD), also known as Tausch's goatgrass, is the D genome donor of bread or hexaploid wheat Triticum aestivum (2n = 2x = 42, AABBDD genome). It is a rich reservoir of useful genes for biotic and abiotic stress tolerance for wheat improvement. We developed a TILLING (Targeting Induced Local Lesions In Genomes) resource for Ae. tauschii for discovery and validation of useful genes in the D genome of wheat. The population, referred to as TILL-D, was developed with ethyl methanesulfonate (EMS) mutagen...
2018: Frontiers in Plant Science
Katerina Pernickova, Gabriella Linc, Eszter Gaal, David Kopecky, Olga Samajova, Adam J Lukaszewski
Chromosome pairing in meiosis usually starts in the vicinity of the telomere attachment to the nuclear membrane and congregation of telomeres in the leptotene bouquet is believed responsible for bringing homologue pairs together. In a heterozygote for an inversion of a rye (Secale cereale L.) chromosome arm in wheat, a distal segment of the normal homologue is capable of chiasmate pairing with its counterpart in the inverted arm, located near the centromere. Using 3D imaging confocal microscopy, we observed that some telomeres failed to be incorporated into the bouquet and occupied various positions throughout the entire volume of the nucleus, including the centromere pole...
November 27, 2018: Chromosoma
Asima Hamid, S A Mallick, Gupta Moni, M Iqbal Jeelani, Gupta Sachin
Health benefitting potential of twenty leading wheat varieties was assessed for grain nutritional quality status in relation to antigenic reactivity level of gluten protein fractions. Among the nutritional parameters, macronutrients viz. starch, total sugar, total protein and gluten content were observed maximum in the varieties RAJ4120, RAJ4083, RAJ3077, and WH1021 respectively. Micronutrients- zinc and iron and phytochemicals- total phenolics and flavonoids were observed to be maximum in RAJ4083. Among the four protein fraction, albumin and globulin contents were the highest in RAJ3077, whereas gliadin and gluten content was maximum in GW322 and minimum in RAJ4120...
December 2018: Journal of Food Science and Technology
Luciana Melisa Del Gobbo, Liliana Beatriz Villegas, Verónica Leticia Colin
Vinasse is a waste material from distillery industries, which causes major environmental problems around the world. Argentina alone produces about 4 billion liters of vinasse annually; consequently, diverse biological eco-friendly treatments are evaluated for their ability to reduce the detrimental effects. The present study reports on the degradation of a 50% (v/v) local vinasse sample by an autochthonous fungus identified as Aspergillus sp. V1. The Bioprocess was conducted for 15 d at 30 °C after inoculation of spores at an end concentration of 1 × 106 CFU/mL...
November 17, 2018: Journal of Hazardous Materials
Monia Anzooman, Yash P Dang, Jack Christopher, Michael H Mumford, Neal W Menzies, Peter M Kopittke
The seed details (weight, vigor) and germination rate of 16 wheat ( Triticum aestivum ) genotypes in a non-limiting conditions were measured. The dataset presents seed germination rate and seed vigor of 16 wheat genotypes. The dataset also presents the concentrations of the cations to create solution treatments of various sodium adsorption ratio (SAR) and ionic strength ( I ). Finally, dataset presented a figure of the experimental design to measure seedling emergence force of wheat genotypes. The image of the setup and the relation between strain and force have been presented here to convert the strain of the beam into seedling emergence force...
December 2018: Data in Brief
Shujuan Zhang, Rongzhi Zhang, Guoqi Song, Jie Gao, Wei Li, Xiaodong Han, Mingli Chen, Yulian Li, Genying Li
BACKGROUND: Recently, the CRISPR/Cas9 system has been widely used to precisely edit plant genomes. Due to the difficulty in Agrobacterium-mediated genetic transformation of wheat, the reported applications in CRISPR/Cas9 system were all based on the biolistic transformation. RESULTS: In the present study, we efficiently applied targeted mutagenesis in common wheat (Triticum aestivum L.) protoplasts and transgenic T0 plants using the CRISPR/Cas9 system delivered via Agrobacterium tumefaciens...
November 26, 2018: BMC Plant Biology
Xiaoming Wang, Lijiang Hou, Yunze Lu, Bingjin Wu, Xue Gong, Manshuang Liu, Jun Wang, Qixin Sun, Elizabeth Vierling, Shengbao Xu
Wheat (Triticum aestivum) is particularly vulnerable to heat stress during the grain filling stage, and this can adversely affect the final yield. However, the underlying physiological and molecular mechanisms are largely unknown. In this study, the effects of heat stress on grain filling were investigated using wheat varieties with different levels of thermotolerance. Decreased grain weights and filling durations, increased protein contents, and stable filling rates across diverse varieties under different heat regimes suggested a general mechanism for heat adaptation...
November 26, 2018: Journal of Experimental Botany
Fikrettin Şahin, Polen Koçak, Merve Yıldırım Güneş, İrem Özkan, Ezgi Yıldırım, Ezgi Yağmur Kala
Triticum aestivum plant extracts are often used as a natural healer in traditional medicine but which particles mainly have role in these processes are not scientifically proven. In other words, no attempts have been made to investigate the effects of wheat exosomes in regenerative medicine applications or drug development up to now. The current study was first time performed to demonstrate the activity of wheat exosomes in wound healing process using in vitro approaches. Although its fundamental wound healing process remains a mystery, in the current study, the efficiency of wheat grass juice-derived exosomes on cell viability and migration was examined...
November 26, 2018: Applied Biochemistry and Biotechnology
Xin Wen, Chengxiao Hu, Xuecheng Sun, Xiaohu Zhao, Qiling Tan
Molybdenum (Mo), an essential microelement for plants, animals, and microorganisms, is reported can reduce soil nitrogen (N) residues and regulate plant root growth, but little is known about its effect on soil N transformation in plant-root region. A specially designed rhizobox was used in the present study to investigate the N processes in rhizosphere and non-rhizosphere soils of winter wheat applied with different rates of Mo fertilizer. (1) In the rhizosphere soil, pH values increased with increasing rates of Mo application, nitrate (NO3 - -N) accumulated at the rates of 0...
November 22, 2018: Environmental Science and Pollution Research International
Zhixia Niu, Shiaoman Chao, Xiwen Cai, Rebecca B Whetten, Matthew Breiland, Christina Cowger, Xianming Chen, Bernd Friebe, Bikram S Gill, Jack B Rasmussen, Daryl L Klindworth, Steven S Xu
Aegilops markgrafii (Greuter) Hammer is an important source of genes for resistance to abiotic stresses and diseases in wheat ( Triticum aestivum L.). A series of six wheat 'Alcedo'- Ae. markgrafii chromosome disomic addition lines, designated as AI(B), AII(C), AIII(D), AV(E), AIV(F), and AVIII(G) carrying the Ae . markgrafii chromosomes B, C, D, E, F, and G, respectively, were tested with SSR markers to establish homoeologous relationships to wheat and identify markers useful in chromosome engineering. The addition lines were evaluated for resistance to rust and powdery mildew diseases...
2018: Frontiers in Plant Science
Pankaj Kumar, Ankita Mishra, Himanshu Sharma, Dixit Sharma, Mohammed Saba Rahim, Monica Sharma, Afsana Parveen, Prateek Jain, Shailender Kumar Verma, Vikas Rishi, Joy Roy
Starch makes up 70% of the wheat grain, and is an important source of calories for humans, however, the overconsumption of wheat starch may contribute to nutrition-associated health problems. The challenge is to develop resistant starch including high amylose wheat varieties with health benefits. Adapting advance genomic approaches in EMS-induced mutant lines differing in amylose content, basic leucine zipper (bZIP) regulatory factors that may play role in controlling amylose biosynthesis were identified in wheat...
November 22, 2018: Scientific Reports
Monia Anzooman, Yash P Dang, Jack Christopher, Michael H Mumford, Neal W Menzies, Peter M Kopittke
Surface crusting of sodic soils is a major problem in the semi-arid tropics when rapid drying after sowing follows light showers, leading to reduced seedling emergence and grain yield. The magnitude of the force exerted by germinating seeds affects the ability of the seedlings to rupture the crust and emerge. This study aimed to determine whether the seed germination and seedling emergence force of wheat (Triticum aestivum L.) seedlings vary among different genotypes at different sodicity levels. Germination and emergence force of seedlings of four wheat genotypes was determined in assays using four solutions with sodium adsorption ratio (SAR) values ranging from 0 to 60...
December 2018: Plant Science: An International Journal of Experimental Plant Biology
Gesine Pufal, Jörg Memmert, Sara Diana Leonhardt, Vanessa Minden
Veterinary antibiotics are widely used in livestock production and can be released to the environment via manure, affecting non-target organisms. Recent studies provide evidence that antibiotics can adversely affect both plants and insects but whether antibiotics in soil also affect trophic interactions is unknown. We tested whether antibiotics grown in sand as soil substitute with environmentally relevant concentrations of penicillin, sulfadiazine and tetracycline affect the survival of aphids feeding on plants (two crop and one non-crop plant species)...
November 11, 2018: Environmental Pollution
Shreya Bhattacharya, Arundhati Banerjee, Pragati Prasad Sah, Chittabrata Mal, Sujay Ray
Wheat (Triticum aestivum), having high nutritional values is one of the staple food of most of the countries in the world. The productivity of the crop decreases drastically when it encounters various abiotic stresses, most common of which are heat, drought, flood and salinity. There is a crucial role of stress response proteins for the survival of the crops in stress conditions. So the study of wheat stress response proteins is of great importance to raise wheat production in different stress conditions. In this study, we analysed 14-3-3 protein, a stress response protein that is expressed in three major stresses, for example heat, drought and salinity and helps the plants to survive in those conditions...
October 4, 2018: Computational Biology and Chemistry
Liping Duan, Wei Song, Shanwen Jiang, Lulu Qian, Xiaowei Guo, Xiangjing Wang, Junwei Zhao, Wensheng Xiang
Three Gram-stain positive, aerobic actinomycete strains, designated NEAU-A15T , NEAU-A13 and NEAU-C4, were isolated from rhizosphere soil of wheat (Triticum aestivum L.) collected from Langfang, Hebei Province, China. Based on their morphological characteristics, biochemical features and molecular phylogenetic studies, these strains were concluded to belong to a new member of the genus Glycomyces. 16S rRNA gene sequence analysis showed that strain NEAU-A15T shares 99.91% and 99.80% 16S rRNA gene sequence similarity with NEAU-A13 and NEAU-C4, respectively, and these three strains showed high sequence similarities to Glycomyces algeriensis DSM 44727T (99...
November 21, 2018: Antonie Van Leeuwenhoek
Dalia Abdel-Fattah H Selim, Rania Mohamed A Nassar, Mohamed S Boghdady, Mercedes Bonfill
The aim of this study was to assess some physiological parameters and anatomical changes in two wheat plant cultivars (Triticum aestivum L. cvs. Sakha 93 and Sids 9) in response to irrigation with magnetized water under two levels of drought stress (field capacity (FC) of 75% and 50%) and the control (FC 100%) in two consecutive winter growing seasons (November 20 to May 5 2014/2015 and 2015/2016). Pot experiments were carried out in a greenhouse in the experimental farm of the Faculty of Agriculture, Menoufia University, Shibin El-Kom, Egypt...
November 14, 2018: Plant Physiology and Biochemistry: PPB
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