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https://www.readbyqxmd.com/read/29780371/comparative-metatranscriptomics-of-wheat-rhizosphere-microbiomes-in-disease-suppressive-and-non-suppressive-soils-for-rhizoctonia-solani-ag8
#1
Helen L Hayden, Keith W Savin, Jenny Wadeson, Vadakattu V S R Gupta, Pauline M Mele
The soilborne fungus Rhizoctonia solani anastomosis group (AG) 8 is a major pathogen of grain crops resulting in substantial production losses. In the absence of resistant cultivars of wheat or barley, a sustainable and enduring method for disease control may lie in the enhancement of biological disease suppression. Evidence of effective biological control of R. solani AG8 through disease suppression has been well documented at our study site in Avon, South Australia. A comparative metatranscriptomic approach was applied to assess the taxonomic and functional characteristics of the rhizosphere microbiome of wheat plants grown in adjacent fields which are suppressive and non-suppressive to the plant pathogen R...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29773975/cold-shock-induced-protein-rbm3-but-not-mild-hypothermia-protects-human-sh-sy5y-neuroblastoma-cells-from-mpp-induced-neurotoxicity
#2
Hai-Jie Yang, Xiang Shi, Fei Ju, Bei-Ning Hao, Shuang-Ping Ma, Lei Wang, Bin-Feng Cheng, Mian Wang
The cold shock protein RBM3 can mediate mild hypothermia-related protection in neurodegeneration such as Alzheimer's disease. However, it remains unclear whether RBM3 and mild hypothermia provide same protection in model of Parkinson's disease (PD), the second most common neurodegenerative disorder. In this study, human SH-SY5Y neuroblastoma cells subjected to insult by 1-methyl-4-phenylpyridinium (MPP+ ) served as an in-vitro model of PD. Mild hypothermia (32°C) aggravated MPP+ -induced apoptosis, which was boosted when RBM3 was silenced by siRNA...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29766433/the-role-of-heat-shock-protein-70-in-oxidant-stress-and-inflammatory-injury-in-quail-spleen-induced-by-cold-stress
#3
Jiayi Ren, Chunpeng Liu, Dan Zhao, Jing Fu
The aim of this study was to investigate the role of heat shock protein 70 (Hsp70) in oxidative stress and inflammatory damage in the spleen of quails which were induced by cold stress. One hundred ninety-two 15-day-old male quails were randomly divided into 12 groups and kept at 12 ± 1 °C to examine acute and chronic cold stress. We first detected the changes in activities of antioxidant enzymes in the spleen tissue under acute and chronic cold stress. The activities of glutathione peroxidase (GSH-Px) fluctuated in acute cold stress groups, while they were significantly decreased (p < 0...
May 15, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29755623/main-considerations-of-cardiogenic-shock-and-its-predictors-systematic-review
#4
REVIEW
Maria Christiane Valeria Braga Braile-Sternieri, Eliana Migliorini Mustafa, Victor Rodrigues Ribeiro Ferreira, Sofia Braile Sabino, Giovanni Braile Sternieri, Lucia Angelica Buffulin de Faria, Bethina Canaroli Sbardellini, Cibele Olegario Vianna Queiroz, Domingo Marcolino Braile, Idiberto Jose Zotarelli Filho
The mortality rate of post-infarction cardiogenic shock (CS) was 80.0-90.0%. Recent studies show a significant reduction of hospital mortality to approximately 50.0%. CS is defined as systemic tissue hypoperfusion resulting from systolic and/or diastolic heart dysfunction, the main cause of which is acute myocardial infarction (AMI). The main predictors are biological markers such as troponin, CKMB and lactate. A systematic literature review and meta-analysis is performed in order to present and correlate the main literary findings on CS and its evolution with possible changes in biomarkers such as troponin, lactate and CKMB...
April 2018: Cardiology Research
https://www.readbyqxmd.com/read/29753809/integrative-analysis-of-long-non-coding-rna-acting-as-cernas-involved-in-chilling-injury-in-tomato-fruit
#5
Yunxiang Wang, Lipu Gao, Benzhong Zhu, Hongliang Zhu, Yunbo Luo, Qing Wang, Jinhua Zuo
Long-non-coding RNA (LncRNA) is a kind of non-coding endogenous RNA that plays essential roles in diverse biological processes and various stress responses. To identify and elucidate the intricate regulatory roles of lncRNAs in chilling injury in tomato fruit, deep sequencing and bioinformatics methods were performed here. After strict screening, a total of 1411 lncRNAs were identified. Among these lncRNAs, 239 of them were significantly differentially expressed. A large amount of target genes were identified and many of them were found to code chilling stress related proteins, including redox reaction related enzyme, important enzymes about cell wall degradation, membrane lipid peroxidation related enzymes, heat and cold shock protein, energy metabolism related enzymes, salicylic acid and abscisic acid metabolism related genes...
May 10, 2018: Gene
https://www.readbyqxmd.com/read/29751060/expression-and-deletion-analyses-of-cspe-encoding-cold-shock-protein-e-in-acinetobacter-oleivorans-dr1
#6
Jisun Kim, Sunhee Ha, Woojun Park
Six genes encoding cold-shock-like proteins, including cspE, are contained within the genome of Acinetobacter oleivorans DR1. All six genes are similar in size as well as amino acid identity, but appear to be differentially regulated under stressful conditions. Four of these genes (cspA, cspB, cspC and cspE) were functionally important during cold shock because of their gradual upregulation during a temperature decrease under our assay conditions. cspE also showed higher expression during alkane degradation and antibiotic exposure...
May 8, 2018: Research in Microbiology
https://www.readbyqxmd.com/read/29746664/translational-control-plays-an-important-role-in-the-adaptive-heat-shock-response-of-streptomyces-coelicolor
#7
Giselda Bucca, Radhika Pothi, Andrew Hesketh, Carla Möller-Levet, David A Hodgson, Emma E Laing, Graham R Stewart, Colin P Smith
Stress-induced adaptations require multiple levels of regulation in all organisms to repair cellular damage. In the present study we evaluated the genome-wide transcriptional and translational changes following heat stress exposure in the soil-dwelling model actinomycete bacterium, Streptomyces coelicolor. The combined analysis revealed an unprecedented level of translational control of gene expression, deduced through polysome profiling, in addition to transcriptional changes. Our data show little correlation between the transcriptome and 'translatome'; while an obvious downward trend in genome wide transcription was observed, polysome associated transcripts following heat-shock showed an opposite upward trend...
May 9, 2018: Nucleic Acids Research
https://www.readbyqxmd.com/read/29740411/an-srna-and-cold-shock-protein-homolog-based-feedforward-loop-post-transcriptionally-controls-cell-cycle-master-regulator-ctra
#8
Marta Robledo, Jan-Philip Schlüter, Lars O Loehr, Uwe Linne, Stefan P Albaum, José I Jiménez-Zurdo, Anke Becker
Adjustment of cell cycle progression is crucial for bacterial survival and adaptation under adverse conditions. However, the understanding of modulation of cell cycle control in response to environmental changes is rather incomplete. In α-proteobacteria, the broadly conserved cell cycle master regulator CtrA underlies multiple levels of control, including coupling of cell cycle and cell differentiation. CtrA levels are known to be tightly controlled through diverse transcriptional and post-translational mechanisms...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29737840/tyr51-key-determinant-of-the-low-thermostability-of-colwellia-psychrerythraea-cold-shock-protein
#9
Yeongjoon Lee, Chulhee Kwak, Ki-Woong Jeong, Prasannavenkatesh Durai, Kyoung-Seok Ryu, Eun-Hee Kim, Chaejoon Cheong, Hee-Chul Ahn, Hak Jun Kim, Yangmee Kim
Cold shock proteins (Csps) are expressed at lower-than-optimum temperatures, and they function as RNA chaperones; however, no structural studies on psychrophilic Csps have been reported. Here, we aimed to investigate the structure and dynamics of the Csp of the psychrophile Colwellia psychrerythraea 34H, ( Cp-Csp). Although Cp-Csp shares sequence homology, common folding patterns, and motifs-including a five β-stranded barrel-with its thermophilic counterparts, its thermostability (37 °C) was markedly lower than those of other Csps...
May 8, 2018: Biochemistry
https://www.readbyqxmd.com/read/29734420/the-complementary-effect-of-cholesterol-and-vitamin-e-preloaded-in-cyclodextrins-on-frozen-bovine-semen-motility-parameters-membrane-integrity-and-lipid-peroxidation
#10
A Khellouf, K Benhenia, S Fatami, M Iguer-Ouada
BACKGROUND: During cryopreservation sperm cells suffer from two major deleterious impacts: oxidative stress and cold shock. OBJECTIVE: To investigate in bovine species the benefit of cholesterol and vitamin E, both loaded in cyclodextrins, as a double protection against oxidative stress and cold shock. MATERIALS AND METHODS: Semen was collected from nine mature bulls using an artificial vagina and each ejaculate was split into four equal aliquots...
March 2018: Cryo Letters
https://www.readbyqxmd.com/read/29721182/crosstalk-between-akt-signaling-and-cold-shock-proteins-in-mediating-invasive-cell-phenotypes
#11
Raphael Hohlfeld, Sabine Brandt, Anja Bernhardt, Xenia Gorny, Daniel Schindele, Burkhard Jandrig, Martin Schostak, Berend Isermann, Jonathan A Lindquist, Peter R Mertens
Cold shock proteins are up-regulated by cellular stress and orchestrate inflammatory responses, cell proliferation, and differentiation. Enhanced cold shock protein expression promotes malignant cell transformation; up-regulation is detected in most cancers and associated with poor prognosis. Akt1, a serine/threonine kinase, is a potent oncogene, which activates pro-proliferative and anti-apoptotic signaling pathways, and phosphorylates the cold shock domain. Unexpectedly, chicken-YB-1 abrogates PI3K-Akt-dependent oncogenic cell transformation in embryonic fibroblasts...
April 10, 2018: Oncotarget
https://www.readbyqxmd.com/read/29720479/scientific-rationale-for-changing-lower-water-temperature-limits-for-triathlon-racing-to-12%C3%A2-c-with-wetsuits-and-16%C3%A2-c-without-wetsuits
#12
Jane Saycell, Mitch Lomax, Heather Massey, Mike Tipton
OBJECTIVES: To provide a scientific rationale for lower water temperature and wetsuit rules for elite and subelite triathletes. METHODS: 11 lean, competitive triathletes completed a 20 min flume swim, technical transition including bike control and psychomotor testing and a cycle across five different wetsuit and water temperature conditions: with wetsuit: 10°C, 12°C and 14°C; without wetsuit (skins): 14°C and 16°C. Deep body (rectal) temperature (Tre ), psychomotor performance and the ability to complete a technical bike course after the swim were measured, as well as swimming and cycling performance...
May 2, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29717688/review-semen-handling-time-of-insemination-and-insemination-technique-in-cattle
#13
M G Diskin
In cattle artificial insemination plays not only a vital role in the successful establishment of pregnancy, which is a prerequisite for initiation of the subsequent lactation, but also in accelerating genetic improvement and facilitating the distribution of semen from genetically elite sires. The latter has been greatly facilitated by the ability to successfully cryopreserve semen. The objective of an insemination is to ensure that there is an adequate reservoir of competent, capacitated, motile sperm in the caudal region of the oviductal isthmus, the site of the main sperm reservoir in the cow, at the time of ovulation to ensure fertilisation...
May 2, 2018: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29715717/antiviral-and-anti-inflammatory-activities-of-pochonin-d-a-heat-shock-protein-90-inhibitor-against-rhinovirus-infection
#14
Jae-Hyoung Song, Aeri Shim, Yeon-Jeong Kim, Jae-Hee Ahn, Bo-Eun Kwon, Thuy Trang Pham, Jongkook Lee, Sun-Young Chang, Hyun-Jeong Ko
Human rhinoviruses (HRV) are one of the major causes of common cold in humans and are also associated with acute asthma and bronchial illness. Heat-shock protein 90 (Hsp90), a molecular chaperone, is an important host factor for the replication of single-strand RNA viruses. In the current study, we examined the effect of the Hsp90 inhibitor pochonin D, in vitro and in vivo , using a murine model of human rhinovirus type 1B (HRV1B) infection. Our data suggested that Hsp90 inhibition significantly reduced the inflammatory cytokine production and lung damage caused by HRV1B infection...
May 2, 2018: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/29704181/influence-of-temperature-fluctuations-on-one-stage-deammonification-systems-in-northern-cold-region
#15
Xiaolong Wang, Guiman Qi, YuegenYan, Dawen Gao
Cold and fluctuant temperatures are still a bottleneck for the application of one-stage deammonification in mainstream anammox (anaerobic ammonium oxidation). In this study, to simulate the practical but critical operational condition under rapidly fluctuant temperatures between April and May in cold northern area, two deammonification reactors with anammox granular sludge and nitritation flocculent sludge were tested under the cold shock with temperature fluctuations (11-18 °C). Under the controlled temperature (32 °C), good performances were obtained in both reactors...
April 28, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29695988/acute-anxiety-predicts-components-of-the-cold-shock-response-on-cold-water-immersion-toward-an-integrated-psychophysiological-model-of-acute-cold-water-survival
#16
Martin J Barwood, Jo Corbett, Heather Massey, Terry McMorris, Mike Tipton, Christopher R D Wagstaff
Introduction: Drowning is a leading cause of accidental death. In cold-water, sudden skin cooling triggers the life-threatening cold shock response (CSR). The CSR comprises tachycardia, peripheral vasoconstriction, hypertension, inspiratory gasp, and hyperventilation with the hyperventilatory component inducing hypocapnia and increasing risk of aspirating water to the lungs. Some CSR components can be reduced by habituation (i.e., reduced response to stimulus of same magnitude) induced by 3-5 short cold-water immersions (CWI)...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29695301/health-in-yemen-losing-ground-in-war-time
#17
Charbel El Bcheraoui, Aisha O Jumaan, Michael L Collison, Farah Daoud, Ali H Mokdad
BACKGROUND: The effect of the ongoing war in Yemen on maternal and child health (MCH) has not been comprehensively assessed. Providing a situational analysis at the governorate level is critical to assist in planning a response and allocating resources. METHODS: We used multiple national- and governorate-level data sources to provide estimates of 12 relevant MCH indicators in 2016 around child vaccination, and child and maternal nutritional status, and the change in these estimates for the period 2013-2016 based on shock variables including change in gross domestic product, burden of airstrikes per 1000 population, change in access to untreated water sources and unimproved toilets, and change in wheat flour prices...
April 25, 2018: Globalization and Health
https://www.readbyqxmd.com/read/29688561/integrative-transcriptional-and-metabolic-analyses-provide-insights-into-cold-spell-response-mechanisms-in-young-shoots-of-the-tea-plant
#18
Xinyuan Hao, Hu Tang, Bo Wang, Chuan Yue, Lu Wang, Jianming Zeng, Yajun Yang, Xinchao Wang
Green tea has attracted an increasing number of consumers worldwide due to its multiple health benefits. With the increase in global warming, more frequent cold spells in the spring often cause more serious damage to green tea production because of the young leaves used. We recorded the changes in climatic conditions during a typical cold spell and the damage symptoms caused by the cold spell in different tea cultivars and breeding lines. By simulating the low temperature of a cold spell under controlled conditions, comparative transcriptome and metabolic analyses were performed with sprouting shoots...
April 23, 2018: Tree Physiology
https://www.readbyqxmd.com/read/29686856/comparative-transcriptional-profiling-analysis-of-the-effect-of-heat-waves-during-embryo-incubation-on-the-hatchlings-of-the-chinese-soft-shelled-turtle-pelodiscus-sinensis
#19
Wei Dang, Hongliang Lu, Qiong Wu, Yuan Gao, Qinqin Qi, Handong Fan
Temperature is one of most the important environmental factors that affect the ontogenesis of organisms. In this study, we incubated Chinese soft-shelled turtle eggs at 28°C (control temperature, C treatment), a temperature with a 16°C cold shock and a 36°C heat shock twice per week (S treatment) or a ramp-programmed temperature of 29 ± 9°C (with 12 hr (+) and 12 hr (-) every day) (F treatment). The incubation period, hatching success, hatchling weight, and locomotor performance were significantly different between the controls and the different heat treatment groups...
April 2018: Ecology and Evolution
https://www.readbyqxmd.com/read/29677488/chilled-in-translation-adapting-to-bacterial-climate-change
#20
Susan Gottesman
Cold-shocked bacteria transiently shut down protein translation, but the mechanisms whereby they adaptively restore translation were incompletely understood. Zhang et al. (2018) demonstrate a global increase in mRNA structure after cold shock and that, as structured RNA decreases, translation returns, dependent upon ribonuclease RNase R and cold shock protein CspA and its homologs.
April 19, 2018: Molecular Cell
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