نتایج جستجو برای: دنبال کردن فرکانس ft
تعداد نتایج: 107616 فیلتر نتایج به سال:
FLOWERING LOCUS T (FT) and TERMINAL FLOWER1 (TFL1) proteins share highly conserved amino acid residues but they play opposite regulatory roles in promoting and repressing the flowering response, respectively. Previous substitution models and functional analysis have identified several key amino acid residues which are critical for the promotion of flowering. However, the precise relationship be...
Separating planar cell polarity and Hippo pathway activities of the protocadherins Fat and Dachsous.
The giant Drosophila protocadherin Fat (Ft) affects planar cell polarity (PCP). Ft also inhibits the overgrowth of imaginal discs via the Hippo pathway, repressing the activity of the transcription co-factor Yorkie (Yki). Much of Ft activity is likely to be mediated by its intracellular domain (Ft ICD). However, the links between the Ft ICD and either PCP or Hippo activity are poorly understood...
OBJECTIVES To evaluate associations of preoperative total prostate specific antigen (PSA) to free testosterone (FT), the PSA/FT index ratio, with features of pathology prostate cancer (PCA) and to investigate its prognostic potential in clustering the PCA population. PATIENTS AND METHODS After excluding criteria, the records of 220 patients who underwent radical prostatectomy (RP) were retros...
was added to the well, and the lumi-nescence was measured (ALOKA lu-minometer). The IgG fraction of serum samples from the patient and from five control individuals was purified with a MAbTrap TM Kit (Amer-sham Biosciences), and the IgG concentration was adjusted to 4.0 g/L. The purified IgG (0.08 mL) was incu-bated at 4 °C for 24 h with 0.08 mL of PBS alone or with T 2 , T 3 , or T 4 (Sig-ma; ...
Signals produced in leaves are transported to the shoot apex where they cause flowering. Protein of the gene FLOWERING LOCUS T (FT) is probably a long day (LD) signal in Arabidopsis. In the companion paper, rapid LD increases in FT expression associated with flowering driven photosynthetically in red light were documented. In a far red (FR)-rich LD, along with FT there was a potential role for ...
در تصفیة بیولوژیکی فاضلاب مقدار بسیار زیادی لجن تولید می‌شودکه بسیار فساد پذیر است و باید تثبیت شود. فرایند هاضم بی هوازی یک تکنیک استاندارد تثبیت است. به دلیل محدودیت در مرحلة هیدرولیز بیولوژیکی لجن ، تجزیة بی‌هوازی کند بوده و به زمان طولانی نیاز داشته زمان ماند معمول 20 روز یا بیشتر است. با توجه به این‌که امواج اولتراسونیک به دلیل افزایش دادن فعالیت آنزیم‌ها می‌تواند زمان مرحلة هیدرولیز که عا...
Let t=t1t2⋯ be an element of the full shift with map τ on a finite alphabet symbols A and let Σ=closure{τi(t):i∈N∪{0}}. ft=ft1,∞=⋯∘ft2∘ft1 non-autonomous system over compact metric space X where ti∈A. The set Ft+={fτi(t):i∈N} is called shifted family ft. If t transitive in AN, then Ft+‾ classical IFS; otherwise, Σ subshift Ft+‾={fσ=fσ1,∞:σ∈Σ} “generalized” IFS. We show that if ft has some shado...
The production of erythrocytes bearing an "immature" antigen (Im+ cells) and a "fetal" antigen (Ft+ cells) has been studied in irradiated adult mice grafted either with fetal liver or adult bone marrow cells. The Im+ cells reach a peak 8-11 days after grafting. Ft+ cells are detected only after graft of fetal liver cells; the younger the liver, the greater the number. Since Ft+ cells are rapidl...
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