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乙烯合成酶
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  ethylene-forming enzyme
     After that,ethylene production increased dramatically until 150 DAFB. The respiratory rate of whole fruits showed a typical pattern of a climacteric fruit during ethylene production peak. The activities of ethylene-forming enzyme (EFE) and 1-aminocyclopropane-1-carboxylic acid (ACC) contents were also very low before ethylene peak. Trends of changes in EFE activities paralleled those of respiratory rate and ethylene production in fruits of the two varieties.
     鸭梨的乙烯合成酶(EFE)活性和氨基环丙烷羧酸(ACC)含量高于茌梨,乙烯释放量的峰值是在梨的4倍,两品种果实的EFE活性变化与果实的呼吸跃变和乙烯释放量的变化同步,ACC含量自盛花后135天,一直呈上升趋势。
短句来源
  “乙烯合成酶”译为未确定词的双语例句
     Effects of Salicylic Acid(SA)on EFE Activity in Starkrimson Apples
     水杨酸对新红星苹果果实乙烯合成酶的影响
短句来源
     Cloning and Sequence Analysis of Three Members of ACC Synthase Gene Family in Sugarcane
     甘蔗乙烯合成酶基因家族三个成员的克隆与序列分析
短句来源
     Under O 2 2 4% and CO 2 2 4% combined with 0℃ condition,the fruit appeared that the rate of raspiration decreased father,the peak of ethylene production delayed,activity of EFE fell,and the changes of the flesh firmness and peel chloropyll retarted.
     0℃的低温结合O22~4%、CO22~4%℃的气体成份,可进一步减低京白梨的呼吸强度,推迟乙烯释放高峰期,降低果肉组织中乙烯合成酶的活性,延缓果实硬度、果皮叶绿素的变化。
短句来源
     Ethylene forming enzyme (EFE)is one of key enzymes during ethylene biosynthesis. It is known that Salicylic acid(SA)could inhibit EFE activity,but its mechanism remains unknown.
     0.002~5mmol/L水杨酸(Salicylicacid,SA)处理新红星苹果果肉圆片,可抑制圆片中乙烯合成酶(EFE)的活性;
短句来源
  相似匹配句对
     Effects of Salicylic Acid(SA)on EFE Activity in Starkrimson Apples
     水杨酸对新红星苹果果实乙烯合成酶的影响
短句来源
     1-aminocyclopropane-1-carboxylic acid synthase is one of the key rate-limiting enzymes for ethylene biosynthesis in higher plants.
     ACC合成酶(ACS)是高等植物乙烯生物合成途径中的限速酶。
短句来源
     Taxadiene Synthase
     紫杉二烯合成酶
短句来源
     Results:The average expression of S-adenosyl-L-methionine synthetase in E.
     结果:SAM合成酶在E.
短句来源
     The Synthesis of Vinylpyridines
     乙烯吡啶的合成
短句来源
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  ethylene-forming enzyme
Synthesis of the ethylene-forming enzyme system was determined by harvesting bacteria at various stages of growth and assaying the capacity of the bacteria to form ethylene from methionine.
      
Because of its lack of stereospecificity, its low affinity for ACC and its utilization of KMB as a substrate, we conclude that the reported pea enzyme system is not related to the in-vivo ethylene-forming enzyme.
      
The ethylene-forming enzyme in pea vacuoles exhibited stereospecificity inasmuch as it catalyzed the conversion of (±)-allocoronamic acid to 1-butene but not that of (±)-coronamic acid.
      
The data collectively indicate that the in-vitro conversion ACC to ethylene by microsomal membranes of carnation flowers is not reflective of the reaction mediated by the native in-situ ethylene-forming enzyme.
      
Studies of flower parts (styles, ovaries, receptacles, petals) showed that the styles had a high level of CAS together with the ethylene-forming enzyme (EFE) system for converting 1-aminocyclopropane-1-carboxylic acid (ACC) to ethylene.
      
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Ethylene production of Yan and Chili pears (Pyrus bretschneideri Rehd. )from 130 days after full bloom (DAFB) to 145 DAFB remained low. After that,ethylene production increased dramatically until 150 DAFB. The respiratory rate of whole fruits showed a typical pattern of a climacteric fruit during ethylene production peak. The activities of ethylene-forming enzyme (EFE) and 1-aminocyclopropane-1-carboxylic acid (ACC) contents were also very low before ethylene peak. Trends of changes in EFE activities paralleled...

Ethylene production of Yan and Chili pears (Pyrus bretschneideri Rehd. )from 130 days after full bloom (DAFB) to 145 DAFB remained low. After that,ethylene production increased dramatically until 150 DAFB. The respiratory rate of whole fruits showed a typical pattern of a climacteric fruit during ethylene production peak. The activities of ethylene-forming enzyme (EFE) and 1-aminocyclopropane-1-carboxylic acid (ACC) contents were also very low before ethylene peak. Trends of changes in EFE activities paralleled those of respiratory rate and ethylene production in fruits of the two varieties. Three kinds of polyamines, putrescine, spermidine and spermine, were contained in the pear fruits. Spermidine content in Yan pears was higher than that of Chli pears. It seems that spermidine played an important role in the ethylene biosynthesis of Yali and Chili pears.

鸭梨、茌梨果实均从盛花后145天进入呼吸跃变,同时伴随着乙烯释放高峰的出现。鸭梨的乙烯合成酶(EFE)活性和氨基环丙烷羧酸(ACC)含量高于茌梨,乙烯释放量的峰值是在梨的4倍,两品种果实的EFE活性变化与果实的呼吸跃变和乙烯释放量的变化同步,ACC含量自盛花后135天,一直呈上升趋势。两品种果实内含有亚精胺、腐胺和精胺三种内源多胺,亚精胺与梨果实乙烯生物合成有关。

Two cultivars of Pear (Pyrus pyri-folia Nak.) were studied in this article,one showing ethylene peak on day 9 after harvesting (Kikusui), and the otheron day 18 (Nijisseiki ). The rate ofethylene production was closely connected with the activity of ethylene-formingenZyme (EFE), the content of 1am inocyclopropane-1-carboxylie acid(ACC), and POlyamine metabolism.The' pith consistently showed greaterEFE activity than did the con6x. Therewas no clear difference in ACC contsntbetween the pith and the cortex. ThreePOlyamines...

Two cultivars of Pear (Pyrus pyri-folia Nak.) were studied in this article,one showing ethylene peak on day 9 after harvesting (Kikusui), and the otheron day 18 (Nijisseiki ). The rate ofethylene production was closely connected with the activity of ethylene-formingenZyme (EFE), the content of 1am inocyclopropane-1-carboxylie acid(ACC), and POlyamine metabolism.The' pith consistently showed greaterEFE activity than did the con6x. Therewas no clear difference in ACC contsntbetween the pith and the cortex. ThreePOlyamines putrescine (put ), spermidine (spd) and spermine (spe), werefound in Pear fruitS, the farmer two being the major ones found during thePost-harvest Period in both cultivars.Prior to the ethylene Peaks there wereclear differences in the pattern ofchsnge in polyamine content betweenthe pith and con6x of the two cultivars.It seems that high putrescine content andlow. spermidine content were related tolow rate of ethylene production.The resultS presented here showthat there are differences in ethyleneproduction not only between cultivars,but also between pith and cortex.

菊水梨皮层和髓的乙烯合成酶(EFE)活性和氨基环丙烷羧酸(ACC)含量及其果实乙烯释放量均分别高于二十世纪梨。在同一品种果实的皮层和髓中,ACC含量无明显差异,但髓的EFE活性明显高于皮层。梨果实内含有丁二胺、亚精胶和精胺3种内源多胺,而以丁二胺和亚精胺含量为最高,精胺含量虽低但较稳定。果实在乙烯释放高峰出现前,其皮层和髓中的丁二胺和亚精胺含量变化有明显差异。采后梨果实的乙烯生成与果实内EFE活性,ACC含量、多胺含量的变化有密切关系,而乙烯生成的差异不仅表现在品种间,而且在果实的皮层和髓之间也存在差异,梨果实的髓似乎对整个果实的乙烯生成有更重要的影响。

With the appearence of climacteric rise and the increase of ethylene production,Jin Bai pear picked at the appropriate stage of maturity decreased its flesh firmness rapidly at 20℃. The ripening of Jin Bai pear could be effectively reatarted at 0℃.Under O 2 2 4% and CO 2 2 4% combined with 0℃ condition,the fruit appeared that the rate of raspiration decreased father,the peak of ethylene production delayed,activity of EFE fell,and the changes of the flesh firmness and peel chloropyll retarted.Jin Bai pear...

With the appearence of climacteric rise and the increase of ethylene production,Jin Bai pear picked at the appropriate stage of maturity decreased its flesh firmness rapidly at 20℃. The ripening of Jin Bai pear could be effectively reatarted at 0℃.Under O 2 2 4% and CO 2 2 4% combined with 0℃ condition,the fruit appeared that the rate of raspiration decreased father,the peak of ethylene production delayed,activity of EFE fell,and the changes of the flesh firmness and peel chloropyll retarted.Jin Bai pear stored by CA storage for 132 days could ripe normally and had a favorable smell as well as a longer shelf life.

适期采收的京白梨,在20℃下,随着呼吸跃变的发生和乙烯释放量的增加,果实硬度迅速下降。0℃的低温,可有效地延缓京白梨的完熟。0℃的低温结合O22~4%、CO22~4%℃的气体成份,可进一步减低京白梨的呼吸强度,推迟乙烯释放高峰期,降低果肉组织中乙烯合成酶的活性,延缓果实硬度、果皮叶绿素的变化。经气调贮藏132天的京白梨,完熟正常,无不良异味,且有较长的货架寿命。

 
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