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https://www.readbyqxmd.com/read/27920783/genomic-tools-in-pearl-millet-breeding-for-drought-tolerance-status-and-prospects
#1
REVIEW
Desalegn D Serba, Rattan S Yadav
Pearl millet [Penisetum glaucum (L) R. Br.] is a hardy cereal crop grown in the arid and semiarid tropics where other cereals are likely to fail to produce economic yields due to drought and heat stresses. Adaptive evolution, a form of natural selection shaped the crop to grow and yield satisfactorily with limited moisture supply or under periodic water deficits in the soil. Drought tolerance is a complex polygenic trait that various morphological and physiological responses are controlled by 100s of genes and significantly influenced by the environment...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27919774/understanding-facial-expressions-of-pain-in-patients-with-depression
#2
Stefan Lautenbacher, Karl-Juergen Bär, Patricia Eisold, Miriam Kunz
: Although depression is associated with more clinical pain complaints, psychophysical data sometimes point to hypoalgesic alterations. Studying the more reflex-like facial expression of pain in patients with depression may offer a new perspective. Facial and psychophysical responses to non-painful and painful heat stimuli were studied in 23 patients with major depressive disorder (MDD) and 23 matched controls. As psychophysical data, pain thresholds, tolerance thresholds and self-report were assessed...
December 2, 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/27917622/identification-and-characterization-of-main-allergic-proteins-in-cooked-wolf-herring-fish
#3
Mohsen Mohamadi, Reza Falak, Kobra Mokhtarian, Mohammad Reza Khoramizadeh, Esmaeil Sadroddiny, Gholam Ali Kardar
Our aim in this study was to identify and characterize allergic proteins in cooked wolf herring fish. We heated the crude extract alternatively at 50, 60, 70, 80, 90, and 100°C for one hour and results were compared by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE). Also, proteins were immunoblotted with fish-sensitive patients' sera. The major allergenic proteins were identified via mass spectrometry. These allergenic proteins were then purified by anion exchange chromatography and the IgE-immunoreactivity of the fractions was compared with the crude extracts via disk enzyme-linked immunosorbent assay (ELISA)...
October 2016: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/27917177/progress-on-optimizing-miscanthus-biomass-production-for-the-european-bioeconomy-results-of-the-eu-fp7-project-optimisc
#4
Iris Lewandowski, John Clifton-Brown, Luisa M Trindade, Gerard C van der Linden, Kai-Uwe Schwarz, Karl Müller-Sämann, Alexander Anisimov, C-L Chen, Oene Dolstra, Iain S Donnison, Kerrie Farrar, Simon Fonteyne, Graham Harding, Astley Hastings, Laurie M Huxley, Yasir Iqbal, Nikolay Khokhlov, Andreas Kiesel, Peter Lootens, Heike Meyer, Michal Mos, Hilde Muylle, Chris Nunn, Mensure Özgüven, Isabel Roldán-Ruiz, Heinrich Schüle, Ivan Tarakanov, Tim van der Weijde, Moritz Wagner, Qingguo Xi, Olena Kalinina
This paper describes the complete findings of the EU-funded research project OPTIMISC, which investigated methods to optimize the production and use of miscanthus biomass. Miscanthus bioenergy and bioproduct chains were investigated by trialing 15 diverse germplasm types in a range of climatic and soil environments across central Europe, Ukraine, Russia, and China. The abiotic stress tolerances of a wider panel of 100 germplasm types to drought, salinity, and low temperatures were measured in the laboratory and a field trial in Belgium...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27909914/association-of-snp-variants-of-mhc-class-ii-drb-gene-with-thermo-physiological-traits-in-tropical-goats
#5
Abdulmojeed Yakubu, Adebowale E Salako, Marcos De Donato, Sunday O Peters, Michael I Takeet, Mathew Wheto, Moses Okpeku, Ikhide G Imumorin
Host defense in vertebrates depend on many secreted regulatory proteins such as major histocompatibility complex (MHC) class II which provide important regulatory and effector functions of T cells. Gene polymorphism in the second exon of Capra-DRB gene in three major Nigerian goat breeds [West African Dwarf (WAD), Red Sokoto (RS), and Sahel (SH)] was analyzed by restriction fragment length polymorphisms (RFLP). Four restriction enzymes, BsaHI, AluI, HaeIII, and SacII, were utilized. The association between the polymorphic sites and some heat tolerance traits were also investigated in a total of 70 WAD, 90 RS, and 50 SH goats...
December 1, 2016: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/27908260/-a-proteomics-approach-to-discover-drought-tolerance-proteins-in-wheat-pollen-grain-at-meiosis-stage
#6
Reza Fotovat, Mehdi Alikhani, Mostafa Valizadeh, Mehdi Mirzaei, Ghasem Hossein Salekdeh
Plants reproductive phase, when grain yield and consequently farmers' investment is most in jeopardy, is considered as the most sensitive stage to drought stress. In this study, we aimed to explore the proteomic response of wheat anther at meiosis stage in a drought tolerant, Darab, and susceptible, Shiraz, wheat genotypes. Wheat plants were exposed to drought stress at meiosis stage for four days under controlled environmental conditions. Then, anthers from both genotypes were sampled, and their proteomes were examined via quantitative proteomics analysis...
November 30, 2016: Protein and Peptide Letters
https://www.readbyqxmd.com/read/27904974/heat-stress-affects-carbohydrate-metabolism-during-cold-induced-sweetening-of-potato-solanum-tuberosum-l
#7
Derek J Herman, Lisa O Knowles, N Richard Knowles
Tolerance to heat stress for retention of low-temperature sweetening-resistant phenotype in potato is conferred by insensitivity of acid invertase activity to cold induction. Heat stress exacerbated cold sweetening (buildup of reducing sugars) of the LTS (low-temperature sweetening)-susceptible potato (Solanum tuberosum L.) cultivars, Ranger Russet and Russet Burbank, and completely abolished the resistance to cold sweetening in the LTS-resistant cultivars/clones, Sage Russet, GemStar Russet, POR06V12-3 and A02138-2...
November 30, 2016: Planta
https://www.readbyqxmd.com/read/27900399/quantitative-trait-loci-mapping-of-heat-tolerance-in-broccoli-brassica-oleracea-var-italica-using-genotyping-by-sequencing
#8
Sandra E Branham, Zachary J Stansell, David M Couillard, Mark W Farnham
Five quantitative trait loci and one epistatic interaction were associated with heat tolerance in a doubled haploid population of broccoli evaluated in three summer field trials. Predicted rising global temperatures due to climate change have generated a demand for crops that are resistant to yield and quality losses from heat stress. Broccoli (Brassica oleracea var. italica) is a cool weather crop with high temperatures during production decreasing both head quality and yield. Breeding for heat tolerance in broccoli has potential to both expand viable production areas and extend the growing season but breeding efficiency is constrained by limited genetic information...
November 29, 2016: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/27898850/genetic-evaluations-for-growth-heat-tolerance-in-angus-cattle
#9
H L Bradford, B O Fragomeni, J K Bertrand, D A L Lourenco, I Misztal
The objectives were to assess the impact of heat stress and to develop a model for genetic evaluation of growth heat tolerance in Angus cattle. The American Angus Association provided weaning weight (WW) and yearling weight (YW) data, and records from the Upper South region were used because of the hot climatic conditions. Heat stress was characterized by a weaning (yearling) heat load function defined as the mean temperature-humidity index (THI) units greater than 75 (70) for 30 (150) d prior to the weigh date...
October 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27891754/patients-with-barrett-s-esophagus-are-hypersensitive-to-acid-but-hyposensitive-to-other-stimuli-compared-with-healthy-controls
#10
C Lottrup, A L Krarup, H Gregersen, P Ejstrud, A M Drewes
BACKGROUND: Esophageal hyposensitivity has been observed in Barrett's esophagus and may contribute to its pathophysiology. However, studies are few, in particular those assessing different sensory modalities. We aimed to compare esophageal sensitivity to multimodal stimulation in patients with Barrett's esophagus and in healthy controls. METHODS: Twenty-three patients with Barrett's esophagus and 12 healthy controls were examined. A multimodal probe was placed in the lower esophagus...
November 27, 2016: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/27891140/drought-and-heat-differentially-affect-xth-expression-and-xet-activity-and-action-in-3-day-old-seedlings-of-durum-wheat-cultivars-with-different-stress-susceptibility
#11
Andrea Iurlaro, Monica De Caroli, Erika Sabella, Mariarosaria De Pascali, Patrizia Rampino, Luigi De Bellis, Carla Perrotta, Giuseppe Dalessandro, Gabriella Piro, Stephen C Fry, Marcello S Lenucci
Heat and drought stress have emerged as major constraints for durum wheat production. In the Mediterranean area, their negative effect on crop productivity is expected to be exacerbated by the occurring climate change. Xyloglucan endotransglucosylase/hydrolases (XTHs) are chief enzymes in cell wall remodeling, whose relevance in cell expansion and morphogenesis suggests a central role in stress responses. In this work the potential role of XTHs in abiotic stress tolerance was investigated in durum wheat. The separate effects of dehydration and heat exposure on XTH expression and its endotransglucosylase (XET) in vitro activity and in vivo action have been monitored, up to 24 h, in the apical and sub-apical root regions and shoots excised from 3-day-old seedlings of durum wheat cultivars differing in stress susceptibility/tolerance...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27889440/non-heat-shock-responsive-roles-of-hsf1-in-candida-albicans-are-essential-under-iron-deprivation-and-drug-defense
#12
Remya Nair, Mohd Shariq, Sanjiveeni Dhamgaye, Chinmay K Mukhopadhyay, Shamim Shaikh, Rajendra Prasad
Recently, we have reported that the conditional mutant of the heat shock factor-1 (HSF1) in Candida albicans displays enhanced susceptibility not only towards a plant alkaloid, berberine, but also to diverse antifungal drugs. The present study attempts to identify additional phenotypes highlighting the non-heat shock responsive roles of HSF1 that could be correlated with the enhanced drug susceptibility. We uncover an intricate relationship between cellular iron and HSF1 mediated drug susceptibility of C. albicans...
November 24, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27888933/review-on-modeling-heat-transfer-and-thermoregulatory-responses-in-human-body
#13
REVIEW
Ming Fu, Wenguo Weng, Weiwang Chen, Na Luo
Several mathematical models of human thermoregulation have been developed, contributing to a deep understanding of thermal responses in different thermal conditions and applications. In these models, the human body is represented by two interacting systems of thermoregulation: the controlling active system and the controlled passive system. This paper reviews the recent research of human thermoregulation models. The accuracy and scope of the thermal models are improved, for the consideration of individual differences, integration to clothing models, exposure to cold and hot conditions, and the changes of physiological responses for the elders...
December 2016: Journal of Thermal Biology
https://www.readbyqxmd.com/read/27888131/hsp70-and-hsp90-are-involved-in-shrimp-penaeus-vannamei-tolerance-to-ahpnd-causing-strain-of-vibrio-parahaemolyticus-after-non-lethal-heat-shock
#14
Wisarut Junprung, Premruethai Supungul, Anchalee Tassanakajon
Acute hepatopancreatic necrosis disease (AHPND) caused by Vibrio parahaemolyticus carrying toxin-producing plasmid, has led to severe mortalities in farmed penaeid shrimp throughout Asia. Previous studies reported that a non-lethal heat shock (NLHS) could enhance disease tolerance in aquatic animals. Here, we investigate whether the NLHS could enhance the survival of shrimp Penaeusvannamei upon challenge with an AHPND-causing strain of V. Parahaemolyticus (VPAHPND). Two NLHS conditions, acute and chronic NLHSs, were used...
November 22, 2016: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/27884748/isolation-of-bacterial-strains-able-to-degrade-biphenyl-diphenyl-ether-and-the-heat-transfer-fluid-used-in-thermo-solar-plants
#15
Rafael Blanco-Moreno, Lara P Sáez, Víctor M Luque-Almagro, M Dolores Roldán, Conrado Moreno-Vivián
Thermo-solar plants use eutectic mixtures of diphenyl ether (DE) and biphenyl (BP) as heat transfer fluid (HTF). Potential losses of HTF may contaminate soils and bioremediation is an attractive tool for its treatment. DE- or BP-degrading bacteria are known, but up to now bacteria able to degrade HTF mixture have not been described. Here, five bacterial strains which are able to grow with HTF or its separate components DE and BP as sole carbon sources have been isolated, either from soils exposed to HTF or from rhizospheric soils of plants growing near a thermo-solar plant...
November 21, 2016: New Biotechnology
https://www.readbyqxmd.com/read/27877180/heat-stress-is-more-damaging-to-superior-spikelets-than-inferiors-of-rice-oryza-sativa-l-due-to-their-different-organ-temperatures
#16
Guanfu Fu, Baohua Feng, Caixia Zhang, Yongjie Yang, Xueqin Yang, Tingting Chen, Xia Zhao, Xiufu Zhang, Qianyu Jin, Longxing Tao
In general, the fertility and kernel weight of inferior spikelets of rice (Oryza Sativa L.) are obviously lower than those of superior spikelets, especially under abiotic stress. However, different responses to heat stress are seemed to show between the superior and inferior spikelet, and this response is scarcely documented that the intrinsic factors remain elusive. In order to reveal the mechanism underlying, two rice plants with different heat tolerance were subjected to heat stress of 40°C at anthesis...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27875983/liver-transcriptome-response-to-hyperthermic-stress-in-three-distinct-chicken-lines
#17
Xi Lan, John C F Hsieh, Carl J Schmidt, Qing Zhu, Susan J Lamont
BACKGROUND: High ambient temperatures cause stress in poultry, especially for broiler lines, which are genetically selected for rapid muscle growth. RNA-seq technology provides powerful insights into environmental response from a highly metabolic tissue, the liver. We investigated the effects of acute (3 h, 35 °C) and chronic (7d of 35 °C for 7 h/d) heat stress on the liver transcriptome of 3-week-old chicks of a heat-susceptible broiler line, a heat-resistant Fayoumi line, and their advanced intercross line (AIL)...
November 22, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27872596/different-relationship-between-hsp70-mrna-and-hsp70-levels-in-the-heat-shock-response-of-two-salmonids-with-dissimilar-temperature-preference
#18
Mario Lewis, Miriam Götting, Katja Anttila, Mirella Kanerva, Jenni M Prokkola, Eila Seppänen, Irma Kolari, Mikko Nikinmaa
The heat shock response (HSR) refers to the rapid production of heat shock proteins (hsps) in response to a sudden increase in temperature. Its regulation by heat shock factors is a good example of how gene expression is transcriptionally regulated by environmental stresses. In contrast, little is known about post-transcriptional regulation of the response. The heat shock response is often used to characterize the temperature tolerance of species with the rationale that whenever the response sets on, a species is approaching its lethal temperature...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27862179/the-use-of-a-battery-of-pain-models-to-detect-analgesic-properties-of-compounds-a-two-part-four-way-crossover-study
#19
P Okkerse, G van Amerongen, M L de Kam, J Stevens, R P Butt, R Gurrell, A Dahan, J M van Gerven, J L Hay, G J Groeneveld
AIM: The aim was to investigate the ability of a battery of pain models to detect analgesic properties of commonly used analgesics in healthy subjects. METHODS: The battery consisted of tests eliciting electrical, mechanical and thermal (contact heat and cold pressor)-pain and included a UVB model, the thermal grill illusion and a paradigm of conditioned pain modulation. Subjects were administered fentanyl 3 µg/kg, phenytoin 300 mg, (S)-ketamine 10 mg and placebo (part I), or imipramine 100 mg, pregabalin 300 mg, ibuprofen 600 mg and placebo (part II)...
November 9, 2016: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27861954/special-trends-in-cbf-and-dreb2-groups-in-eucalyptus-gunnii-vs-eucalyptus-grandis-suggest-that-cbf-are-master-players-in-the-trade-off-between-growth-and-stress-resistance
#20
Hong C Nguyen, Phi B Cao, Hélène San Clemente, Raphaël Ployet, Fabien Mounet, Natalie Ladouce, Luc Harvengt, Christiane Marque, Chantal Teulieres
Annotation of the Eucalyptus grandis genome showed a large amplification of the DREB1/CBF group without recent DREB2 gene duplication compared to other plant species. The present annotation of the CBF and DREB2 genes from a draft of the Eucalyptus gunnii genome sequence reveals at least an additional CBF copy in the E. gunnii genome compared to E. grandis, suggesting that this group is still evolving, unlike the DREB2 group. This study aims to investigate the redundancy/neo- or sub-functionalization of the duplicates and the relative involvement of the two groups in abiotic stress responses in both E...
November 16, 2016: Physiologia Plantarum
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