نتایج جستجو برای: lats
تعداد نتایج: 350 فیلتر نتایج به سال:
جذب نیترات به وسیله دو سیستم انتقالی با تمایل پایین lats)) و با تمایل بالا ((hats صورت می گیرد. سیستم lats در غلظتهای بالای نیترات (در حد میلی مولار) و سیستم hats در غلظتهای پایین نیترات (در حد میکرو مولار) فعالیت می کند. سیستمهای hats به واسطه خانواده ژنی nrt2 کد می شوند. از آنجایی که گزارشهای فراوانی از اثر مهاری آمونیوم بر جذب نیترات وجود دارد، در این تحقیق تأثیر دو غلظت متفاوت آمونیوم(5، 10...
Latent infections by herpes simplex virus are characterized by repression of productive-cycle gene expression. Several hypotheses to explain this repression involve inhibition of expression of the immediate-early gene activator ICP0 during latency. To address these hypotheses, we developed quantitative reverse transcriptase-PCR assays that detected spliced and intron-containing ICP0 transcripts...
We have generated and characterized a deletion mutant of herpes simplex virus type-1, dlLAT1.8, which lacks the putative promoter region, transcriptional start site, and 1,015 base pairs of the DNA sequences specifying the latency-associated transcripts (LATs). When tested in a CD-1 mouse ocular model, dlLAT1.8 was replication competent in the eye and in ganglia during acute infection but react...
PURPOSE Herpes simplex virus (HSV) DNA persists in the corneas of patients and animals with a history of herpetic keratitis. The purpose of this study was to detect viral transcripts in the corneas of latently infected rabbits with a history of herpetic keratitis to determine whether the viral DNA represents latent virus, characterized by the restricted transcription of HSV genes and accumulati...
BACKGROUND In preimplantation mouse embryos, the first cell fate specification to the trophectoderm or inner cell mass occurs by the early blastocyst stage. The cell fate is controlled by cell position-dependent Hippo signaling, although the mechanisms underlying position-dependent Hippo signaling are unknown. RESULTS We show that a combination of cell polarity and cell-cell adhesion establis...
As you can see from their comments, while referee #1 is rather negative towards your study, referees #2 and #3 are very supportive of its publication and agree on the high potential interest of your findings. In general, although they believe that the evidence presented properly supports your conclusions, some technical concerns have arisen with which you will have to deal before your manuscrip...
The Mst-Lats kinase cascade is central to the Hippo tumor-suppressive pathway that controls organ size and tissue homeostasis. The adaptor protein Mob1 promotes Lats activation by Mst, but the mechanism remains unknown. Here, we show that human Mob1 binds to autophosphorylated docking motifs in active Mst2. This binding enables Mob1 phosphorylation by Mst2. Phosphorylated Mob1 undergoes conform...
The mechanism of protein S-nitrosation in cells is not fully understood. Using rat 3Y1 cells, we addressed this issue. Among S-nitrosothiols and NO donors tested, only S-nitrosocysteine (CysNO) induced S-nitrosation when exposed in Hanks' balanced salt solution (HBSS) and not in serum-containing general culture medium. In HBSS, NO release from CysNO was almost completely abolished by sequesteri...
Coordination between cell proliferation and cell death is essential to maintain homeostasis in multicellular organisms. In Drosophila, these two processes are regulated by a pathway involving the Ste20-like kinase Hippo (Hpo) and the NDR family kinase Warts (Wts; also called Lats). Hpo phosphorylates and activates Wts, which in turn, through unknown mechanisms, negatively regulates the transcri...
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