NF-Y,全称 为Nuclear Factor Y,是一类特异性转录因子,也被称为Heme Activator £rotein(HAP) S£CAAT-box finding Eactor(CBF),有三个亚单位组成,分别是 NF-YA(CBF-B、HAP2)、 NF-YB(CBF-A、HAP3)及NF-YC(CBF-C、HAP5),NF-Y就是特异性转录因子(包括转录激活因 子和转录抑制因子)。[0003] NF-...
核转录因子Y(nuclear factor Y,NF-Y)由NF-YA,NF-YB,NF-YC 3个亚单位组成,能够特异性识别CCAAT-BOX,是真菌,动物和植物等众多真核生物基因中存在最广泛的启动子元件之一.为了鉴定玉米(Zea mays)NF-YB家族成员并分析其在不同组织和生理条件下的表达规律,本研究利用生物信息学方法对玉米基因组中NF-YB编码基因...
TOC1和5X单独与NF YC3/4/9具有弱相互作用(图7B)。然而,NF-YB2/3的存在将TOC1与NFYC3/4/9的相互作用增强了三到四倍,NF-YB与NF-YC和TOC1具有共沉淀(图7B)。在Co-IP分析中,NF-YB2/3和NF-YC3/4/9的所有组合都发...
作者利用CRIPSR/Cas9创制了Clnf-yb9突变体,发现该突变体种子发育异常(图3)。酵母杂交ClNF-YB9能够与ClNF-YC相互作用形成NF-YB-YC二聚体,同时ClNF-YBC-YC4二聚体可以募集ClNF-YA1/6/7形成三种不同的NF-Y复合物,在种子发育过程中形成独特的NF-Y复合物行使功能。该研究为未来西瓜种子发育和休眠研究奠定了基础。
大豆NF-YB家族全基因组鉴定、分类和表达
The CCAAT-binding factor NF-Y is a heteromeric transcription factor thatspecifically binds to CCAAT sequences in many eukaryotic genes. NF-Y is made up of three subunits, NF-YA, NF-YB and NF-YC. All three componets are necessary for DNA binding. In each NF-Y subunit, the segment needed...
expression of these genes was down-regulated innfyb1-1caryopses. It is noted thatSUT1andSUT4are expressed in a much broader pattern thanNF-YB1. We reckon that the aleurone-specifically expressed NF-YB1 may form a trimeric complex with an unknown NF-FA and NF-YC to regulate the expressi...
SLRL2 competes with NF-YC12 for interaction with NF-YB1. NF-YB1 also directly repressesSLRL2transcription. Genetic validation supports thatSLRL2functions downstream ofNF-YB1andbHLH144in regulating rice AC. Thus, an NF-YB1-SLRL2-bHLH144 regulatory module is successfully revealed. Furthermore, ...
The NF-Y is a ubiquitous plant transcription factor expressed as one of three possible isoforms: NF-YA, NF-YB, or NF-YC [20]. These isoforms interact to form a heterotrimeric complex, with each subunit playing key roles in responses to abiotic stresses, including drought, heat, freezing, ...
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