signal transduction pathways involved in the plant cell response to water stress
Báo cáo khoa học: Pathways involved in testicular germ cell apoptosis induced by H2O2 in vitro doc
Ngày tải lên :
16/03/2014, 04:20
... apoptosis [8] The intrinsic or the mitochondrial pathway involves Bcl-2 family members, leading to changes in the mitochondrial membrane permeability and release of cytochrome c into the cytosol ... induce apoptosis in testicular Leydig cells in vitro [11] 874 Germ cells constitute the major inner seminiferous tubular cell mass and the role of H2O2 as a signalling molecule in apoptotic induction ... from the cytosol to the outermitochondrial membrane following an apoptosis inducing signal and the interaction between these Bcl-2 family proteins induces a conformational change, which results in...
- 12
- 431
- 0
Báo cáo y học: "Toxicogenomic analysis of Caenorhabditis elegans reveals novel genes and pathways involved in the resistance to cadmium toxicity" potx
Ngày tải lên :
14/08/2014, 07:21
... Early response Protein interaction analysis reveals a novel pathway involved in the response to cadmium In order to further define the molecular mechanisms of the cadmium defense response, the ... and pathways involved in cadmium resistance Genome Biology 2007, 8:R122 information By integrating the RNAi assay results into the protein interaction network, a novel signal pathway involved in ... 237 cadmium-inducible genes (≤1.5-fold) are involved in the resistance to cadmium toxicity (although these genes certainly could also be involved in detoxification of other stressors) These cadmium...
- 15
- 336
- 0
báo cáo hóa học: " Strain-dependent variation in the early transcriptional response to CNS injury using a cortical explant system" doc
Ngày tải lên :
19/06/2014, 22:20
... cells Pro-inflammatory cytokines and chemokines expression are activated in cells of the monocyte/macrophage lineage in the innate response to injury or infections Microglia are considered the primary ... marginally and is limited to the residual cells in the vasculature at the time of sectioning Therefore, the extent of the measured pro-inflammatory response is predominantly by resident CNS cells ... throughout the explant, and some undefined amount of ischemia in the center of the explant Pro-inflammatory mRNA increase occurs in cortex within hours following lesioning [26] or ischemia [27,28]in...
- 8
- 447
- 0
Báo cáo y học: "A role of ygfZ in the Escherichia coli response to plumbagin challenge" pdf
Ngày tải lên :
10/08/2014, 05:21
... be involved in either eliminating the toxicity of the chemical or repairing the damage caused by the drug It is not known whether any of these plumbagin-responsive genes are directly involved in ... counteracting plumbagin toxicity To examine the importance of the up-regulated genes previously found [12] in counteracting the plumbagin toxicity, we examined the relative sensitivity of mutant strains ... of the ΔsodA and the ΔygfZ strains and the parental strain were tested (Table 3) Therefore, adding a methyl group to the 3-position of naphthoquinone ring apparently diminishes the plumbagin toxicity...
- 13
- 440
- 0
Báo cáo lâm nghiệp: "Oak growth, development and carbon metabolism in response to water stress" pps
Ngày tải lên :
08/08/2014, 18:21
... into stomatal and nonstomatal responses Trees under moisture stress face the conflicting problem of maintaining some degree of photosynthesis while minimizing water loss Stomatal control in response ... quantum yield remained stable with increasing water stress and thus could not explain the nonstomatal response indicated by analysis of the A/C i curves Nonstomatal response to water stress may not ... shown that stomatal conductance responded to soil drying in one part of the root system with no effect on plant water status Rewatering or severing the roots in drying soil restored stomatal conductance...
- 16
- 253
- 0
Báo cáo lâm nghiệp: "Variations in seed and seedling responses to water stress in three provenances of Eucalyptus camaldulensis Dehnh" pptx
Ngày tải lên :
09/08/2014, 04:20
... leaf area most in Katherine seedlings (Fig 4), and the provenances also differed in stress- induced changes in the partitioning of dry matter into roots, stems and leaves (Fig 5) Stressed Tennant ... penetrated the soil, grew best Leaf areas were reduced most by water stress in Katherine seedlings Stressed Tennant Creek seedlings maintained a higher proportion of dry weight in leaves and least in ... seedlings assumed the most linear leaf shape (most negative in Fig 6) Leaf shape was affected most by nutrient stress in Tennant Creek and Petford seedlings, and by water stress in Katherine seedlings...
- 5
- 233
- 0
Báo cáo khoa học: Protein kinase Ch activity is involved in the 2,3,7,8tetrachlorodibenzo-p-dioxin-induced signal transduction pathway leading to apoptosis in L-MAT, a human lymphoblastic T-cell line potx
Ngày tải lên :
23/03/2014, 13:20
... PKC-selective inhibitors to determine whether PKC is functionally involved in the L-MAT cell apoptosis induced by TCDD and attempted to identify the specific PKC isoform(s) involved in the process ... mechanism involved in the immunotoxicity of TCDD In summary, we suggest that PKCh kinase activity is functionally involved in the TCDD-induced signal transduction mechanism leading to L-MAT cell apoptosis ... participate in the signal transduction mechanism involved in TCDD-induced L-MAT cell apoptosis, transfected L-MAT cells expressing H-2KK were separated from the nontransfected cells in the miniMACS...
- 13
- 426
- 0
Báo cáo khoa học: Salicylic acid and the hypersensitive response initiate distinct signal transduction pathways in tobacco that converge on the as-1-like element of the PR-1a promoter pot
Ngày tải lên :
23/03/2014, 15:21
... for expression in plants were integrated into the binary vector pBin19, and Agrobacterium-mediated transformation was employed to introduce gene constructs into the genome of tobacco (Nicotiana ... lesions in transgenic tobacco plants containing a 35S[nahG] chimeric gene The phenotype of lesions induced by TMV infection in plant line 201–10 is shown The bars correspond to 10 mm (A) The photograph ... previously that tobacco plants expressing the nahG gene are barely able to induce SA levels above the background in response to TMV infection [16,19] Curiously, plants incapable to accumulate SA to normal...
- 11
- 452
- 0
báo cáo hóa học:" Functional significance of the signal transduction pathways Akt and Erk in ovarian follicles: in vitro and in vivo studies in cattle and sheep" ppt
Ngày tải lên :
20/06/2014, 07:20
... affected by the inhibitors However, it is possible that the inhibitors might have diffused through the granulosa layer of cells into the theca layer and affect signalling pathways there Thus the significant ... studied previously in the bovine model Increases in Akt and Erk signalling proteins in response to FSH and IGF stimulation suggest a role for Akt and Erk signal transduction pathways in FSH and IGF ... activate other signalling pathways that include activation of the Erk pathway [9,10], the Akt pathway [11,12] and the inositol triphosphate and diacylglycerol [13,14] pathways These signal transduction...
- 13
- 438
- 0
Báo cáo y học: " Low concentration of ethanol induce apoptosis in HepG2 cells: role of various signal transduction pathways"
Ngày tải lên :
31/10/2012, 15:37
... either inhibition or activation of various intracellular signaling pathways leading to a pro-apoptotic effect These findings suggest that low concentration of ethanol shifts the balance into the ... shifts the balance into the apoptotic direction after its initial effect on protein kinases phosphorylation The most strikingly and novel finding obtained hereby was the strong inhibition of the ... and NFκB signaling in association with a slight activation of the cell death receptor signaling In addition, ethanol also phosphorylated protein kinases belonging to signal transduction pathways...
- 8
- 510
- 0
Tài liệu Báo cáo khoa học: Crystal structure of thiamindiphosphate-dependent indolepyruvate decarboxylase from Enterobacter cloacae, an enzyme involved in the biosynthesis of the plant hormone indole-3-acetic acid doc
Ngày tải lên :
20/02/2014, 11:20
... contributing to these interfaces is located in the PYR and middle domains The interface contains 10 hydrogen bonds in IPDC The dimer–dimer interface in IPDC is smaller than the corresponding interface ... from the PYR and PP domains This is in agreement with the average mobility of the domains in the crystal; the PYR domain has the lowest average B-factor, ˚ 23 A2 (comparable to the B-factor of ... thiazolium ring of the cofactor to the surface of the protein The entrance of the active site cleft is covered by the C-terminal helix and this part of the polypeptide chain must move in order to allow...
- 10
- 557
- 0
Báo cáo khoa học: Cell death-inducing DFF45-like effector, a lipid droplet-associated protein, might be involved in the differentiation of human adipocytes pdf
Ngày tải lên :
23/03/2014, 03:20
... localized on subcellular compartments other than lipid droplets The expression of CIDEC is elevated during the differentiation of adipocytes To gain further insight into the roles of CIDEC in adipocyte ... amplified from the HepG2 cell line using the RT-PCR After cutting with the enzymes (NdeI and BamHI), the purified PCR fragment was cloned into the vector pCMV5-HA (a gift from Dr Peng Li, Tsinghua University) ... University) The recombinant vector pShuttle-CMV-DsRed1-CIDEC was constructed by inserting the DsRed1 and CIDEC DNA fragments into the vector pShuttle-CMV The plasmid pGFP-adipophilin was also a kind...
- 11
- 513
- 0
Báo cáo y học: "The Frizzled family: receptors for multiple signal transduction pathways" docx
Ngày tải lên :
09/08/2014, 20:20
... terminus of Arrow has been fused to Dfz2 robustly activates canonical Wnt signaling in the wing, supporting the hypothesis that binding of Wnts to Frizzleds somehow leads to interaction with and activation ... [35] In addition, LRP5 and Arrow interact directly with Axin, a cytoplasmic scaffold protein that is the hub of cytoplasmic regulation of Wnt signaling, recruiting Axin to the membrane [35,36] These ... Bowerman B: Wnt signalling in Caenorhabditis elegans: regulating repressors and polarizing the cytoskeleton Trends Cell Biol 2000, 10:10-17 An excellent recent review on Wnt signaling in nematodes Hsieh...
- 7
- 303
- 0
báo cáo khoa học: "The grapevine guard cell-related VvMYB60 transcription factor is involved in the regulation of stomatal activity and is differentially expressed in response to ABA and osmotic stress" ppt
Ngày tải lên :
11/08/2014, 11:21
... of the pore, in response to internal signals and environmental cues, allows the plant to cope with the conflicting needs of ensuring adequate uptake of CO2 for photosynthesis and preventing water ... leading to the possibility of engineering stomatal conductance in grapevine, reducing water loss and helping this species to tolerate drought under extreme climatic conditions Background Grapevine ... accumulated, inducing rapid stomatal closure to limit water loss Increasing evidence indicates a role for transcription factors belonging to the R2R3 MYB subfamily as key modulators of physiological responses...
- 15
- 316
- 0
Báo cáo y học: " Effects of Liver × receptor agonist treatment on signal transduction pathways in acute lung inflammation" potx
Ngày tải lên :
12/08/2014, 11:20
... producing pro-inflammatory cytokines such as TNFa and IL-1b In the present study, to explore further the possible role of LXR in the modulation of different inflammatory conditions in vivo, the ... used to evaluate activity of anti-inflammatory drugs [17] and useful to assess the contribution of cells and mediators to the inflammatory process [18] The initial phase of carrageenan-induced ... space The underlying muscle was dissected and saline (0.1 ml) or saline containing 2% l-carrageenan (0.1 ml) was injected into the pleural cavity The skin incision was closed with a suture and the...
- 15
- 318
- 0
Báo cáo y học: " Possible Cis-acting signal that could be involved in the localization of different mRNAs in neuronal axons" potx
Ngày tải lên :
13/08/2014, 23:20
... anchored to a kinesin protein The mRNAs that not contain such a U-sequence might remain in the cell body or to migrate towards the dendrites to the axon In general, these signals are rich in uridine ... "bubble" according to the Mfold program This indicates to us that both the signal sequence and the secondary structure could be determining factors in the location of these messengers in the axon region ... U-rich signal, stabilizing the messenger and facilitating transport to the axon The motor protein that translocates the complex along the axonal microtubules could belong to the kinesin family,...
- 10
- 301
- 0
Identification of factors involved in the maintenance of embryonic stem cell self renewal and pluripotency 2
Ngày tải lên :
11/09/2015, 16:02
... used in this assay to allow Lefty2 shRNA knockdown to differentiate the ES cells The cells were then dissociated with trypsin and replated at single cell density to allow the ES cells to expand into ... protein Hence to enable the detection of the precursor and mature forms, the V5 tag has to be incorporated at the C terminus and not the N terminus There is also the possibility that tagging at the ... the cells with reduced Lefty2 were differentiating into epiblast derived cell types upon Lefty2 knockdown, possibly into the mesendodermal cell fate To elucidate in a more definitive manner the...
- 117
- 415
- 0
Identification of factors involved in the maintenance of embryonic stem cell self renewal and pluripotency 3
Ngày tải lên :
11/09/2015, 16:02
... operates to maintain ES cell self renewal The work presented in this thesis reveals that LEFTY2 is secreted by mouse ES cell as a negative feedback mechanism to autoregulate autocrine Nodal signals ... Nodal signaling might, as in the in vivo scenario, likewise influence ES cell fate decision in a dose dependent manner in vitro is addressed Interestingly, it was found that Nodal signaling is ... able to arbitrate at least three distinct fate decisions in ES cells Perturbation of endogenous signaling in ES cells leads to their exit from self renewal towards differentiation Increasing Nodal...
- 4
- 184
- 0
Identification of factors involved in the maintenance of embryonic stem cell self renewal and pluripotency 4
Ngày tải lên :
11/09/2015, 16:02
... Before the stain solution was added, the cells were again rinsed thrice with PBS to remove the fixative The samples were then incubated for 15min in the dark at room temperature, with the stain rinsed ... for the entire duration of the experiment The E14 cells were fed daily with medium containing fresh Activin A 4.14.2 Inhibition of Nodal/Activin signaling To abolish/diminish Nodal/Activin signaling, ... Nodal/Activin signaling E14, TAG1 or tet-Nodal E14tg2a cells were seeded in ES cell medium at a density of 676 cells/cm2 without gelatin The next day, the seeded cells were subjected to the following...
- 24
- 298
- 0