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Thermococcus eurythermalis A501, NaCl adaptation

ABSTRACT: In this study, we performed a global quantitative proteomic analysis under extreme temperatures, pH, hydrostatic pressure (HP) and salinity on an archaeal strain, Thermococcus eurythermalis A501. Here is the result of NaCl adaptation: low salinity (1.5% NaCl, w/v) and high salinity (4.5% NaCl, w/v), and the optimal culture condition (85°C, pH 7, 2.3% NaCl, 0.1 MPa or 10 MPa) was used as the control.

INSTRUMENT(S): TripleTOF 5600

ORGANISM(S): Thermococcus Eurythermalis

SUBMITTER: weishu zhao

LAB HEAD: Xiang Xiao

PROVIDER: PXD018994 | Pride | 2020-09-09

REPOSITORIES: Pride

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Dataset's files

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			Action	DRS
	F18FTSECKF1170_I-okBEA003_rep1.dat	Other
	P150219_1_1.mgf	Mgf
	P150219_1_1.wiff	Wiff
	P150219_1_1.wiff.scan	Wiff
	P150219_1_10.mgf	Mgf

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Publications

Cross-Stress Adaptation in a Piezophilic and Hyperthermophilic Archaeon From Deep Sea Hydrothermal Vent.

Zhao Weishu W Ma Xiaopan X Liu Xiaoxia X Jian Huahua H Zhang Yu Y Xiao Xiang X

Frontiers in microbiology 20200910

Hyperthermophiles, living in environments above 80°C and usually coupling with multi-extreme environmental stresses, have drawn great attention due to their application potential in biotechnology and being the primitive extant forms of life. Studies on their survival and adaptation mechanisms have extended our understanding on how lives thrive under extreme conditions. During these studies, the "cross-stress" behavior in various organisms has been observed between the extreme high temperature an ...[more]

PMID: 33013758

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Thermococcus eurythermalis A501, Temperature adaptation

Project description:In this study, we performed a global quantitative proteomic analysis under extreme temperatures, pH, hydrostatic pressure (HP) and salinity on an archaeal strain, Thermococcus eurythermalis A501. Here is the result of temperature adaptation: low temperature (65°C) and high temperature (95°C), and the optimal culture condition (85°C, pH 7, 2.3% NaCl, 0.1 MPa or 10 MPa) was used as the control.

2020-09-09 | PXD018991 | Pride

Thermococcus eurythermalis A501 pH adaptation

Project description:In this study, we performed a global quantitative proteomic analysis under extreme temperatures, pH, hydrostatic pressure (HP) and salinity on an archaeal strain, Thermococcus eurythermalis A501. Here is the result of pH adaptation: low pH (pH 4) and high pH (pH 9), and the optimal culture condition (85°C, pH 7, 2.3% NaCl, 0.1 MPa or 10 MPa) was used as the control.

2020-09-09 | PXD018974 | Pride

Thermococcus eurythermalis A501, high hydrostatic pressure

Project description:In this study, we performed a global quantitative proteomic analysis under extreme temperatures, pH, hydrostatic pressure (HP) and salinity on an archaeal strain, Thermococcus eurythermalis A501. Here is the result of pressure adaptation: HP (40 MPa) tested under 85°C and 95°C, and the optimal culture condition (85°C, pH 7, 2.3% NaCl, 10 MPa) was used as the control.

2020-09-09 | PXD019007 | Pride

Early proteomic responses in shoot and root of FL478 under salinity stress

Project description:Climate change is affecting crop production due to soil salinization and water scarcity, and is predicted to worsen in the coming years. Rice is a major staple food and the most salt-sensitive cereal. High salinity in the soil triggers several adaptive responses in rice to cope with osmotic and ionic stress at the physiological, cellular and molecular levels. A major QTL for salinity tolerance, named Saltol, is present on chromosome 1 of Indian rice landrace varieties such as Pokkali and Nona Bokra. In this study, we characterized the physiological and early proteomic responses to salinity in FL478, an inbred rice line harboring the Saltol region. For this, plantlets were cultured in hydroponic cultures with 100 mM NaCl and evaluated at 6, 24 and 48h. At the physiological level, salinity significantly reduced shoot length after 48 h, whereas root length significantly increased. Moreover, the Na+/K+ ratio was maintained at lower levels in the shoots compared to the roots FL478 plantlets. On the other hand, roots showed a faster and more coordinated proteomic response than shoots, which was evident from only 6h of treatment. These responses were markedly related with transcription- and translation-related proteins. Moreover, roots exhibited a higher accumulation of stress-related proteins in response to salinity treatment, like peroxidase and SalT, which are both present in the Saltol QTL. Both, physiological and proteomic response, showed that roots respond in a highly adaptive manner to salinity stress compared to shoots, which suggests that this tissue is critical to the tolerance observed in varieties harbouring the Saltol region.

2020-12-21 | PXD014669 | Pride

Proteomic analysis of the immune response to dsRNA in B.dorsalis

Project description:Proteomic analysis of a mixed sample from 8, 12 and 24 h (early set) post first exposure to dsRNA and a sample from 5 days (late set) post first exposure to dsRNA to identify differentially expressed proteins which were responsible to the immune response to dsRNA in B.dorsalis.

2018-10-27 | PXD004272 | Pride

Ctenopharyngodon idella iTRAQ - Understanding the Immune Mechanisms of Vibrio mimicus targeted epitopes gene vaccine by iTRAQ Technology

Project description:Understanding the Immune Mechanisms of Vibrio mimicus targeted epitopes gene vaccine by iTRAQ Technology

2018-12-18 | PXD012011 | Pride

myocardial tissue from atrial fibrillation patients

Project description:Electrical and structural remodeling processes are contributors to the self-perpetuating nature of atrial fibrillation (AF). However, their correlation has not been clarified. In this study, human atrial tissues from the patients with rheumatic mitral valve disease in either sinus rhythm or persistent AF were analyzed using a combined transcriptomic and proteomic approach. An up-regulation in chloride intracellular channel (CLIC) 1, 4, 5 and a rise in type IV collagen were revealed. Combined with the results from immunohistochemistry and electron microscope analysis, the distribution of type IV collagen and effects of fibrosis on myocyte membrane indicated the possible interaction between CLIC and type IV collagen, confirmed by protein structure prediction and co-immunoprecipitation. These results indicate that CLICs play an important role in the development of atrial fibrillation and that CLICs and structural type IV collagen may interact on each other to promote the development of AF in rheumatic mitral valve disease.

2018-11-22 | PXD006911 | Pride

Proteomic analysis of differentially expressed proteins in the serum of patients with acute renal allograft rejection using iTRAQ labelling technology

Project description:Transplantation is currently the best treatment option for end-stage renal disease (ESRD) patients. However, acute rejection (AR) is the main source of failure in renal transplantation. The current gold standard for diagnosis of AR involves renal biopsy, but it is invasive, time consuming, costly and inconvenient. Sensitive and less invasive detection of AR episodes in renal transplant patients is essential to preserve the allograft function. Here, we applied isobaric tags for relative and absolute quantisation (iTRAQ) mass spectrometry to analyse serum protein expression in AR patients and healthy controls. Overall, 1399 proteins were identified. Using a cut-off of Q<0.05 and a fold change > 1.2 for the expressed variation, 109 proteins showed distinct differential expression between the AR and control groups, of whom 72 were upregulated and 37 were downregulated. Several proteins, such as properdin, keratin 1, lipoprotein (a) and vitamin D-binding protein, may play roles in the pathogenesis of AR. This study focused on iTRAQ-based proteomic profiling of serum samples in AR. Insights from our work might help advance our understanding of the molecular mechanisms of AR and identify potential novel biomarkers of AR for further characterization.

2021-09-08 | PXD015336 | Pride

Proteomic analysis of glutamine deprivation in HepG2 cells

Project description:We applied the quantitative proteomics approach to estimate the relative abundance of proteins in HepG2 cells treated by glutamine deprivation. Two independent cultured cell lysates, namely control and glutamine deprivation, were marked with iTRAQ labels and subjected to LC-ESI-MS/MS analysis. The tryptic peptides of two samples were labeled with mass 113 (control) and 119 (glutamine deprivation) isobaric iTRAQ tags.

2016-02-09 | PXD003387 | Pride

Human dermal papilla cell culture medium iTRAQ

Project description:Alopecia is an exceedingly prevalent problem and lacks effective therapy. Recently, research has focused on early-passage dermal papilla cells (DPCs), which have hair inducing activity both in vivo and in vitro. Our previous study indicated that factors secreted from early-passage DPCs contribute to hair follicle (HF) regeneration. To identify which factors are responsible for HF regeneration and why late-passage DPCs lose this potential，we collected 48-h-culture medium (CM) from both of passage 3 and 9 DPCs and subcutaneously injected the DPC-CM into NU/NU mice. Passage 3 DPC-CM induced HF regeneration, based on the emergence of a white hair coat, but passage 9 DPC-CM not. In order to identify the key factors responsible for hair inductive capacity, CM from passage 3 and 9 DPCs was analyzed by iTRAQ-based quantitative proteomic technology. We identified 1360 proteins, of which 213 proteins were differentially expressed between CM from early-passage vs. late-passage DPCs, including SDF1, MMP3, biglycan and LTBP1.Further analysis indicated that the differentially-expressed proteins regulated the Wnt, TGF-β and BMP signaling pathways, which directly and indirectly participate in HF morphogenesis and regeneration. Subsequently, we selected 19 proteins for further verification by multiple reaction monitoring (MRM) between the two types of CM. These results would be used to identify the key factors for inducing HF regeneration and reveal the molecular mechanisms of losing inductive ability of DPCs. Furthermore, it is possible to explore some drugs for alopecia in the clinic according to this secretome date analysis.

2018-10-26 | PXD004201 | Pride

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