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Showing 1-30 of 35 results for "C6706" within Papers
Jeyoun Jang et al.
Microbiology (Reading, England), 157(Pt 5), 1466-1473 (2011-02-19)
Although the conditions for inducing virulence protein expression in vitro are different, both classical and El Tor biotypes of Vibrio cholerae have been reported to regulate the expression of virulence proteins such as cholera toxin (CT) and toxin-coregulated pili (Tcp)
Karim Harhouri et al.
EMBO molecular medicine, 9(9), 1294-1313 (2017-07-05)
Hutchinson-Gilford progeria syndrome (HGPS) is a lethal premature and accelerated aging disease caused by a de novo point mutation in LMNA encoding A-type lamins. Progerin, a truncated and toxic prelamin A issued from aberrant splicing, accumulates in HGPS cells' nuclei
Yi Liu et al.
Journal of experimental botany, 71(18), 5562-5576 (2020-05-27)
Plants can be simultaneously exposed to multiple stresses. The interplay of abiotic and biotic stresses may result in synergistic or antagonistic effects on plant development and health. Temporary drought stress can stimulate plant immunity; however, the molecular mechanism of drought-induced
Yongjian Qiu et al.
The Plant cell, 27(5), 1409-1427 (2015-05-07)
Phytochromes (phys) are red and far-red photoreceptors that control plant development and growth by promoting the proteolysis of a family of antagonistically acting basic helix-loop-helix transcription factors, the PHYTOCHROME-INTERACTING FACTORs (PIFs). We have previously shown that the degradation of PIF1
Raquel M Martinez et al.
Journal of bacteriology, 191(18), 5669-5679 (2009-07-14)
Vibrio cholerae is highly motile by the action of a single polar flagellum. The loss of motility reduces the infectivity of V. cholerae, demonstrating that motility is an important virulence factor. FlrC is the sigma-54-dependent positive regulator of flagellar genes.
Anna Bellizzi et al.
Cell cycle (Georgetown, Tex.), 14(13), 2075-2079 (2015-05-29)
Endoplasmic reticulum (ER) stress is caused by the accumulation of misfolded or unfolded proteins in the lumen of the endoplasmic reticulum. CCAAT/enhancer binding proteins are one of the cellular proteins whose expression is upregulated during ER stress. Previously, we have
Lydia Mata-Cantero et al.
Malaria journal, 14, 200-200 (2015-05-15)
The ubiquitin proteasome system (UPS) is one of the main proteolytical pathways in eukaryotic cells and plays an essential role in key cellular processes such as cell cycle, stress response, signal transduction, and transcriptional regulation. Many components of this pathway
Patrizia Romani et al.
Nature cell biology, 21(3), 338-347 (2019-02-06)
Extracellular matrix (ECM) mechanical cues have powerful effects on cell proliferation, differentiation and death. Here, starting from an unbiased metabolomics approach, we identify synthesis of neutral lipids as a general response to mechanical signals delivered by cell-matrix adhesions. Extracellular physical
Qiang Zhao et al.
Plant physiology and biochemistry : PPB, 141, 40-50 (2019-05-28)
Agrobacterium-mediated soybean transformation has been greatly improved in recent years, however the transformation efficiency is still low and highly genotype-dependent when compared to other species. Here, we characterized seventeen soybean genotypes based on their genetic transformation efficiencies, i.e., high and
Swati Bajaj et al.
The Journal of biological chemistry, 291(27), 14231-14247 (2016-04-30)
Spindle assembly checkpoint governs proper chromosomal segregation during mitosis to ensure genomic stability. At the cellular level, this event is tightly regulated by UBE2C, an E2 ubiquitin-conjugating enzyme that donates ubiquitin to the anaphase-promoting complex/cyclosome. This, in turn, facilitates anaphase-onset
D H Lee et al.
Trends in cell biology, 8(10), 397-403 (1998-10-28)
Proteasomes are major sites for protein degradation in eukaryotic cells. The recent identification of selective proteasome inhibitors has allowed a definition of the roles of the ubiquitin-proteasome pathway in various cellular processes, such as antigen presentation and the degradation of
Gangwei Ou et al.
PloS one, 4(11), e7806-e7806 (2009-11-13)
Vibrio cholerae is the causal intestinal pathogen of the diarrheal disease cholera. It secretes the protease PrtV, which protects the bacterium from invertebrate predators but reduces the ability of Vibrio-secreted factor(s) to induce interleukin-8 (IL-8) production by human intestinal epithelial
P Andrew Nevarez et al.
Plant physiology, 173(4), 1953-1966 (2017-02-25)
HEMERA (HMR) is a nuclear and plastidial dual-targeted protein. While it functions in the nucleus as a transcriptional coactivator in phytochrome signaling to regulate a distinct set of light-responsive, growth-relevant genes, in plastids it is known as pTAC12, which associates
B M Machiels et al.
Cytometry, 28(3), 243-252 (1997-07-01)
We have studied specific effects of proteasome inhibition on cell cycle progression. To this end, the protease inhibitors MG115, calpain inhibitor I, and calpain inhibitor II, which display differential inhibitory effects on proteasomes, were used. Cell kinetic studies using bromodeoxyuridine
Bettina Krieg et al.
Pharmaceutical research, 32(6), 1957-1974 (2014-12-10)
Release of siRNA from nanoscale polyplexes is a crucial yet little investigated process, important during all stages of therapeutic research. Here we develop new methods to characterize polyplex stability early on in the development of new materials. We used double
Tongtong Guo et al.
Molecular plant, 10(10), 1334-1348 (2017-09-26)
Nuclear lamins are involved in multiple biological processes in metazoan cells. The proteins of the CROWDED NUCLEI (CRWN) family are considered lamin-like candidates in Arabidopsis, although the functions of these proteins are largely unknown. In this article we show that crwn1
R L Mellgren
The Journal of biological chemistry, 272(47), 29899-29903 (1997-12-31)
Cell-permeant peptidyl aldehydes and diazomethylketones are frequently utilized as inhibitors of regulatory intracellular proteases. In the present study the specificities of several peptidyl inhibitors for purified human mu-calpain and 20 S proteasome were investigated. Acetyl-LLnL aldehyde, acetyl-LLM aldehyde, carbobenzyloxy-LLnV aldehyde
Yongjian Qiu et al.
Nature communications, 8(1), 1905-1905 (2017-12-05)
Plant phytochromes are thought to transduce light signals by mediating the degradation of phytochrome-interacting transcription factors (PIFs) through the N-terminal photosensory module, while the C-terminal module, including a histidine kinase-related domain (HKRD), does not participate in signaling. Here we show
David Fast et al.
Cell reports, 30(4), 1088-1100 (2020-01-30)
Pathogen-mediated damage to the intestinal epithelium activates compensatory growth and differentiation repair programs in progenitor cells. Accelerated progenitor growth replenishes damaged tissue and maintains barrier integrity. Despite the importance of epithelial renewal to intestinal homeostasis, we know little about the
Takahiko Ishikawa et al.
PloS one, 4(8), e6734-e6734 (2009-08-25)
The type VI secretion system (T6SS) has emerged as a protein secretion system important to several gram-negative bacterial species. One of the common components of the system is Hcp, initially described as a hemolysin co-regulated protein in a serotype O17
Peterson Kariuki Maina et al.
Biochimica et biophysica acta. Gene regulatory mechanisms, 1860(9), 1002-1012 (2017-07-25)
Hypoxia through transcription factor HIF1α plays a critical role in cancer development. In prostate cancer, HIF1α interplays with androgen receptor (AR) to contribute to the progression of this disease to its lethal form-castration-resistant prostate cancer (CRPC). Hypoxia upregulates several epigenetic
B Gole et al.
Oncogene, 34(26), 3391-3401 (2014-08-19)
MLL (myeloid/lymphoid or mixed-lineage leukemia) rearrangements are frequent in therapy-related and childhood acute leukemia, and are associated with poor prognosis. The majority of the rearrangements fall within a 7.3-kb MLL breakpoint cluster region (MLLbcr), particularly in a 0.4-kb hotspot at
U G Lopes et al.
The Journal of biological chemistry, 272(20), 12893-12896 (1997-05-16)
Proteolysis by the ubiquitin/proteasome pathway controls the intracellular levels of a number of proteins that regulate cell proliferation and cell cycle progression. To determine whether this pathway of protein turnover was also linked to apoptosis, we treated Rat-1 and PC12
Jürgen Brojatsch et al.
PloS one, 9(6), e95032-e95032 (2014-06-04)
Recent studies have linked necrotic cell death and proteolysis of inflammatory proteins to the adaptive immune response mediated by the lysosome-destabilizing adjuvants, alum and Leu-Leu-OMe (LLOMe). However, the mechanism by which lysosome-destabilizing agents trigger necrosis and proteolysis of inflammatory proteins
Brooke A Jude et al.
Journal of bacteriology, 191(22), 6911-6917 (2009-09-08)
Vibrio cholerae is the etiologic agent of cholera in humans. Intestinal colonization occurs in a stepwise fashion, initiating with attachment to the small intestinal epithelium. This attachment is followed by expression of the toxin-coregulated pilus, microcolony formation, and cholera toxin
K L Rock et al.
Cell, 78(5), 761-771 (1994-09-09)
Reagents that inhibit the ubiquitin-proteasome proteolytic pathway in cells have not been available. Peptide aldehydes that inhibit major peptidase activities of the 20S and 26S proteasomes are shown to reduce the degradation of protein and ubiquitinated protein substrates by 26S
Yoon Jeong Nam et al.
Neurochemical research, 39(8), 1416-1425 (2014-05-16)
The dysfunction of the proteasome system is suggested to be implicated in neuronal degeneration. Caffeoylquinic acid derivatives have demonstrated anti-oxidant and anti-inflammatory effects. However, the effect of 3,4,5-tricaffeoylquinic acid on the neuronal cell death induced by proteasome inhibition has not
Pramod K Rompikuntal et al.
PloS one, 10(7), e0134098-e0134098 (2015-07-30)
Outer membrane vesicles (OMVs) are known to release from almost all Gram-negative bacteria during normal growth. OMVs carry different biologically active toxins and enzymes into the surrounding environment. We suggest that OMVs may therefore be able to transport bacterial proteases
Nguyen T Q Nhu et al.
Journal of bacteriology, 203(7) (2021-01-21)
Intestinal mucus is the first line of defense against intestinal pathogens. It acts as a physical barrier between epithelial tissues and the lumen that enteropathogens must overcome to establish a successful infection. We investigated the motile behavior of two Vibrio
Nicole Acosta et al.
Journal of bacteriology, 197(2), 262-276 (2014-11-05)
The Cpx pathway, a two-component system that employs the sensor histidine kinase CpxA and the response regulator CpxR, regulates crucial envelope stress responses across bacterial species and affects antibiotic resistance. To characterize the CpxR regulon in Vibrio cholerae, the transcriptional
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