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box基因
相关语句
  box gene
     This gene has 851 bp and encoded 160 amino acids, which indicates its structure of typical plant MADS box gene.
     中克隆到一个新的水稻MADS box基因cDNA片段 ,将它命名为FDRMADS5 .该基因核苷酸序列 85 1bp ,编码 16 0个氨基酸 ,有典型的植物MADS box基因的结构 .
短句来源
     Maily introduced the model of ABC and the effect of MADS box gene to the development of flower,and listed 4 kinds of MADS box genes AGL20、AGL24、CO and SOC1,which could improve flower; and another 4 kinds of MADS box gene FLC、FLM、FRI and SVP,which could repress flower. In the final of the article made some expectations.
     主要介绍了ABC模型及MADS-box基因与花的发育,并介绍了可促进开花的4种MADS-box基因-AGL20、AGL24、CO和SOC1及抑制开花的另外4种MADS-box基因-FLC、FLM、FRI和SVP,最后提出前景和展望.
短句来源
     Sequence analysis and RNA hybridization revealed that HoMADS1 is most likely a class D MADS box gene.
     本研究从风信子的胚珠中分离到MADS box基因HoMADS1。
短句来源
     This article introuduced the constitutes of the MADS box gene and the MADS box transcriptional factor in the plants,the MADS box gene is a regulatory gene family and the encoded protein is a transcription factor,which combined with specific DNA sequences by its conservative sequence in the form of dimer to regulate the expression of gene.
     介绍了植物中MADS-box基因和MADS-box蛋白转录因子的组成,MADS-box基因是一类序列特异的多基因家族,所编码的蛋白即为MADS-box转录因子,它是以二聚体化的形式通过其保守结构域与特定的DNA序列相结合来调控基因的表达.
短句来源
     In this study, total RNA from young inflorescence of riceGuangLuAi No. 4 as template and a conservative DNA sequence of MADSbox to design primers were used, 2 new rice floweringrelated MADSbox gene cDNAs, named as FDRMADS 3 and FDRMADS4 respectively, were isolated by the 3'RACE methodology;
     以水稻广陆矮4号(OryzasativaL.Guang Lu AiNo.4)幼穗总RNA为模板,根据MADS box保守区的序列设计简并性引物,利用3′ RACE的方法获得了2个新的水稻花发育相关MADS box基因,分别命名为FDRMADS3和FDRMADS4;
短句来源
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  “box基因”译为未确定词的双语例句
     Advances in the Study on MADS-box Genes of Archegoniatae
     颈卵器植物MADS-box基因的研究进展
短句来源
     Cloning and Analysis of a Floral Organ Specific MADS-box Gene (GhMADS-1) from Cotton (Gossypium Hirsutum L.)
     棉花(Gossypium hirsutum L.)花器官特异MADS-box基因GhMADS-1的克隆
短句来源
     Phylogenetic analysis also indicated that CmMADS3 belonged to the AGL2 group of MADS-box gene family.
     系统进化分析同样将CmMADS3基因归入MADS-box基因家族的AGL2组。
短句来源
     Tbx3 gene is a member of the big T-box gene family.
     Tbx3基因是T-box基因大家族中的一员。
短句来源
     Cloning and Analysis of the Promoter of Mads-Box Gene "BAG" In Bitter Melon and Construction of Expression Vector
     苦瓜(Momordica CharantiaL.)MADS-box基因BAG启动子的克隆分析及表达载体的构建
短句来源
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  相似匹配句对
     4 new genes were obtained.
     U基因
短句来源
     Advances in the Study on MADS-box Genes of Archegoniatae
     颈卵器植物MADS-box基因的研究进展
短句来源
     Progress of MADS-box Gene Research in Plant
     植物MADS-box基因研究进展
短句来源
     Overexpression of AK fbr gene in C.
     AKfbr基因在C.
短句来源
     BOX remote unit.
     BOX采集站
短句来源
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  box gene
Thus, as a B-function MADS-box gene, PhPI9 specifies floral organ identity in orchids.
      
Using the direct amplification of genomic DNA from two cultivars of leaf mustard (Brassica juncea), we obtained two homologs of the MADS-box gene FLOWERING LOCUS C(FLC), which regulates flowering time in arabidopsis.
      
A putative MADS box gene (RgMADS1) was cloned by screening a rice genomic library with a heterogeneous MADS box probe derived fromAntirrhinum majus squamosa gene.
      
Therefore, RgMADS1 is likely a member of rice MADS box gene family and may be involved in the floral establishment and function control in the rice developmental process.
      
Using a degenerated primer and a T-primer, a MADS-box gene,M79, was amplified by RT-PCR from rice fluorescence at meiosis stage and then cloned.
      
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Eight rice MADS box genes were obtained by 3′ RACE from RNA of rice flower at floral primordia and young flowers. The results of GenBank Search showed FDRMADS1 and FDRMADS2 had a high homology with OsMADS5 and OsMADS45 respectively, the other six are new, unpublished rice MADS box genes. Phylogenetic analysis showed that FDRMADS1, FDRMADS2 and FDRMADS4 may have some functions related to C group; FDRMADS3, FDRMADS6 and FDRMADS7 may have some functions related to A group.

以水稻幼穗总RNA为模板,利用3′-RACE克隆了8个接近于全长的水稻MADS-box 基因的cDNA.在GenBank 的数据库中查询表明,其中2个FDRMADS1,FDRMADS2分别与已报道的水稻MADS-box 基因Os-MADS5和OsMADS45有极高的同源性,另外6个为新的尚未见报道的水稻MADS-box 基因.系统进化树分析表明FDRMADS1,FDRMADS2和FDRMADS4可能与C组基因的功能相关;FDRMADS3,FDRMADS6和FDR-MADS7可能与A 组基因的功能相关

A new full_length MADS_box gene named FDRMADS8 was isolated from rice (Oryza sativa L.) by 3′RACE and 5′RACE using degenerate primer designed according to the MADS_box conserved region. The analyses of cDNA sequence showed that FDRMADS8 has 1?406 bp and encoded 233 amino acids which displayed the structure of typical plant MADS_box protein. The deduced amino acid sequence showed that it shared 50% identity with AGL14 of Arabidopsis. The RT_PCR expression analysis results from rice root, shoot and flower...

A new full_length MADS_box gene named FDRMADS8 was isolated from rice (Oryza sativa L.) by 3′RACE and 5′RACE using degenerate primer designed according to the MADS_box conserved region. The analyses of cDNA sequence showed that FDRMADS8 has 1?406 bp and encoded 233 amino acids which displayed the structure of typical plant MADS_box protein. The deduced amino acid sequence showed that it shared 50% identity with AGL14 of Arabidopsis. The RT_PCR expression analysis results from rice root, shoot and flower showed that the FDRMADS8 transcript was detectable in all three tissues, but the expression was lower in root and shoot. In situ hybridization experiments were performed on inflorescences and roots to analyze their temporal and spatial expression pattern. At the early stage of rice flower development, FDRMADS8 was mainly detectable in the bracts, bract hairs and inflorescence stems, while lower expression was detected in the apical meristem. Later in development, the expression of FDRMADS8 was detected in glumes and inflorescence stems. In root, the expression of FDRMADS8 was mainly localized in the elongation and mature region. No apparent expression signal was detected in the root cap, root meristem and pericycle cells. The results suggest that the MADS_box genes play a key role in the rice flower development though not restrict to it.

根据MADS_box基因保守区结构 ,设计简并性引物 ,利用 3′RACE从水稻 (OryzasativaL .)中克隆了 1个新的水稻MADS_box基因的cDNA片段 ,同时利用 5′RACE获得了全长cDNA ,命名为FDRMADS8。序列分析表明 ,该cDNA全长 140 6bp ,开放阅读框共编码 2 33个氨基酸 ,具有典型的植物MADS_box基因的结构。推测的氨基酸序列与拟南芥的MADS_box基因AGL14同源性为 5 0 %。应用RT PCR表达分析表明 ,FDRMADS8在根、叶和花中均有表达 ,但在根和叶中表达较低。利用RNA原位杂交对其时空表达模式研究表明 :在花发育早期 ,FDRMADS8在苞片、苞毛和花序茎中有大量表达 ,但在顶端分生组织中表达量较少 ;在花发育后期 ,FDRMADS8在颖片以及花序茎中有明显表达 ,而在外稃、内稃、浆片、雄蕊和心皮原基中表达均不明显。在根中 ,FDRMADS8在伸长区和根毛区的皮层中有大量表达 ,在根冠、根尖分生区和根毛区的中柱鞘细胞中却无明显表达。结果表明水稻MADS_box基因的功能...

根据MADS_box基因保守区结构 ,设计简并性引物 ,利用 3′RACE从水稻 (OryzasativaL .)中克隆了 1个新的水稻MADS_box基因的cDNA片段 ,同时利用 5′RACE获得了全长cDNA ,命名为FDRMADS8。序列分析表明 ,该cDNA全长 140 6bp ,开放阅读框共编码 2 33个氨基酸 ,具有典型的植物MADS_box基因的结构。推测的氨基酸序列与拟南芥的MADS_box基因AGL14同源性为 5 0 %。应用RT PCR表达分析表明 ,FDRMADS8在根、叶和花中均有表达 ,但在根和叶中表达较低。利用RNA原位杂交对其时空表达模式研究表明 :在花发育早期 ,FDRMADS8在苞片、苞毛和花序茎中有大量表达 ,但在顶端分生组织中表达量较少 ;在花发育后期 ,FDRMADS8在颖片以及花序茎中有明显表达 ,而在外稃、内稃、浆片、雄蕊和心皮原基中表达均不明显。在根中 ,FDRMADS8在伸长区和根毛区的皮层中有大量表达 ,在根冠、根尖分生区和根毛区的中柱鞘细胞中却无明显表达。结果表明水稻MADS_box基因的功能并不限于控制花发育。

In order to understand molecular basis of heterosis, the patterns of differential gene expression of multigene families between wheat hybrids and their parents in seedling leaves were analyzed by using mRNA differential display. relationships between differential gene expression patterns, heterosis and F1 hybrid Performance were determined. Four patterns of differential gene expression were observed, which include: (1) bands observed in both parents but not in the F1; (2) bands occurring in only one parent but...

In order to understand molecular basis of heterosis, the patterns of differential gene expression of multigene families between wheat hybrids and their parents in seedling leaves were analyzed by using mRNA differential display. relationships between differential gene expression patterns, heterosis and F1 hybrid Performance were determined. Four patterns of differential gene expression were observed, which include: (1) bands observed in both parents but not in the F1; (2) bands occurring in only one parent but not in the F1 or the other parent; (3) bands detected in only the F1 but neither of the parents; (4) bands present in one parent and F1 but absent in the other parent. The analysis showed that patterns of differential gene expression were not correlated with the F1 hybrid performance for all the eight agronomic traits. However, differentially expressed fragments that occurred only in the F1 but neither of the parents were found to be positively correlated with heterosis. On the contrary, fragments observed in both parents but not in the F1 were negatively correlated with heterosis. It is concluded that the differential expression of regulatory genes plays an important role in heterosis.

为探讨小麦杂种优势形成的分子机理,以一套双列杂交组合的苗期叶片为材料,利用 mRNA差异显示技术分析了杂种及其亲本间 MADS—box、 G-box、 Ser/ Thr蛋白激酶、 EIF-4A、 ARF1基因家族共5类家族基因在杂交种和亲本之间的表达差异,并与杂种性状表现和杂种 优势进行了相关分析。结果发现,除ARF1家族基因外,其余家族基因在杂种和亲本间存在显 著的表达差异,差异表达类型可概括为4种:(1)双亲共沉默;(2)单亲表达沉默;(3)杂种特异 表达;(4)单亲表达一致。分析发现,MADS-box、G-box和EIF-4A家族基因在杂种和亲本间的 差异表达模式相似,均以单亲特异表达和杂种特异表达类型所占比例最高。相关分析结果表 明,以上所有家族基因的总体差异表达程度与所有性状的杂种表现均不相关,而MADS—box 家族基因中杂种特异表达类型与小穗数、单株产量和单穗产量杂种优势呈显著正相关,双亲 共沉默类型与小穗数、千粒重和单穗产量杂种优势呈显著负相关。另外,EIF-4A家族基因中 单亲表达一致型与单穗产量杂种优势呈显著正相关,但双亲共沉默类型与小穗数和单穗产量 杂种优势呈显著负相关。对于G-b...

为探讨小麦杂种优势形成的分子机理,以一套双列杂交组合的苗期叶片为材料,利用 mRNA差异显示技术分析了杂种及其亲本间 MADS—box、 G-box、 Ser/ Thr蛋白激酶、 EIF-4A、 ARF1基因家族共5类家族基因在杂交种和亲本之间的表达差异,并与杂种性状表现和杂种 优势进行了相关分析。结果发现,除ARF1家族基因外,其余家族基因在杂种和亲本间存在显 著的表达差异,差异表达类型可概括为4种:(1)双亲共沉默;(2)单亲表达沉默;(3)杂种特异 表达;(4)单亲表达一致。分析发现,MADS-box、G-box和EIF-4A家族基因在杂种和亲本间的 差异表达模式相似,均以单亲特异表达和杂种特异表达类型所占比例最高。相关分析结果表 明,以上所有家族基因的总体差异表达程度与所有性状的杂种表现均不相关,而MADS—box 家族基因中杂种特异表达类型与小穗数、单株产量和单穗产量杂种优势呈显著正相关,双亲 共沉默类型与小穗数、千粒重和单穗产量杂种优势呈显著负相关。另外,EIF-4A家族基因中 单亲表达一致型与单穗产量杂种优势呈显著正相关,但双亲共沉默类型与小穗数和单穗产量 杂种优势呈显著负相关。对于G-box基因家族而言,仅?

 
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