cotyledon 中文意思是什麼

cotyledon 解釋
n. 名詞 【植,解】絨毛葉,子葉。
-donous, -donal adj. 形容詞
  1. Hereby the process of senescence of the antirrhinum majus cotyledon as a embryonic organ appeared some features of programmed cell death ( pcd )

    據此說明子葉在衰老過程中具有某些細胞編程性死亡的結構特點。
  2. The anatomical and ultrastructural research in the cotyledon of antirrhinum majus indicated : cutin membrane and sparse epidermal trichome occurred on the surface of cotyledon. stomata protruded appreciably over the epidermis, the ratio of palisade mesophyll and spongy mesophyll was low, the previous evidence showed structural charecater of shade leaf

    通過對金魚草子葉的組織學和細胞學研究,發現其表皮角質膜薄,具稀疏表皮毛,氣孔略突出於表皮,柵欄組織與海綿組織比例小,故具有陰性葉的結構特徵。
  3. Effects of cytokinins on shoot organogenesis from cotyledon of pepper

    細胞分裂素對辣椒子葉再生的影響
  4. The highest vt and p valt in true leaf were accompanied two hybridizable polypeptides of aox protein, 35kd and 38kd respectively. the next was cotyledon vt and p valt with only one 38kd hybridizable polypeptide of aox protein. hypocotyl vt and p valt were the lowest and its immunobloting band was similar to that of cotyledon, but the expressive amount of 38kd protein was less than that of cotyledon

    綠豆幼苗不同器官的有關呼吸參數測定結果與aox表達的western分析基本一致:真葉的v _ t特別是v _ ( alt )最高,它也具有35kd和38kd的aox的雜交多肽;其次是子葉的v _ t和v _ ( alt ) ,且在子葉中,只見一條分子量為38kd的aox多肽;下胚軸的v _ t和v _ ( alt )都最低, western雜交顯示也只有一條分子量為38kd的多肽,而且表達量也較少。
  5. Cotyledon produce callus in ms + 6 - ba 0. 5 mg / l + 254 - d 2 mg / l and hypocotyl produce it in ms + 6 - ba 1 mg / l + naa 0. 5 mg / l. callus initiate in ms + 6 - ba 2 mg / l. 4

    以載體t - dna上的一段dna設計一個引物,以chs上的一段dna為另一個引物,進行pcr檢測。
  6. Cotyledon and hypocotyl ' s rate and quamity are the most among these explams, and callus can be obtained in 10 days by cotyledon and hypocotyl. reversely it is difficult to indue callus with root, and the callus from root is lnde and easy to become browning. the calius obtained from leaf grows very slow and does not become browning uniill in 2 or 3 months

    銀杏的不同器官和組織都能夠誘導出愈傷組織來,其中,子葉和胚軸10d左右全部愈傷化,誘導速度和誘導率均最高,根則很難誘導,愈傷組織很少,褐化很快;葉片誘導的愈傷組織,生長慢,褐化也慢,在培養基上保持兩三個月而不褐化;胚乳的誘導時間也較長,需要30d左右。
  7. Using the young seedlings of wild type ( wt ) and four mutants ( phya, phyb, phyaphyb and hy4 ) of arabidopsis thaliana as plant materials, the effects of light quality and kinetin ( kt ) on some photomorphogenesis responses such as cotyledon enlargement, hypocotyl growth inhibition, accumulation of chlorophyll and anthocyanin were investigated in the present study. photoreceptor functions and interaction of light and kt in the responses was examined and discussed

    本文以擬南芥( arabidopsisthaliana )野生型( wt )和四種光突變體phya 、 phyb 、 phyaphyb和砂hy4為材料研究不同光質與細胞分裂素( kt )對幼苗子葉擴大、下胚軸伸長、葉綠素和花色素苷積累的影響,分析光受體參與的反應以及探討光與kt在調節各種反應中的相互關系。
  8. Cotyledon ( seed leaf ) the first leaf of the embryo of seed plants, which is usually simpler in structure than later - formed leaves

    子葉:種子植物胚胎的第一片葉,在結構上通常比后來形成的葉簡單。
  9. Cotyledon and true leaves of stem mustard were cultured on ms medium supplemented with different concentrations of various cytokinins ( ba, cppu, tdz or kt ) alone or in combination with naa or iba, and the adventitious buds regeneration rate was evaluated.

    以榨菜子葉、真葉為外植體進行離體培養,用ba 、 cppu 、 tdz和kt等細胞分裂素和生長素naa 、 iba組合誘導子葉、真葉再生不定芽試驗。
  10. The main results are as follows : 1 effects of light quality and kt on cotyledon enlargement 5 - d - old seedlings of arabidopsis wild type and mutants were harvested and the cotyledons were cut to use as excised cotyledon or the whole seedlings were used as intact cotyledon. excised and intact cotyledons were incubated in the medium ( ph 6. 0 ) with or without kt under white light ( wl ), red light ( rl ), far - red light ( fr ) and uv - b at 21 ? ? for some periods of time before cotyledon area were determined by a delta - t area measurement system

    主要結果如下:一、光質和ky對于葉擴大的影響白光、紅光、藍光明顯促進5天齡幼苗離體和連體子葉擴大,遠紅光對子葉的擴大效應較弱, uv - b對子葉的擴大有抑制;對突變體的研究表明,紅光下光敏色素b 、遠紅光下光敏色素a 、藍光下隱花色素1對子葉的擴大起主要調節作用。
  11. There are also different in inducing cluster buds from callus of clone gingkgo and its other tissues and organs, some callus can induce cluster buds, but others can not. differentiation rate from the callus of cotyledon can be up to 36 % and the number of cluster buds is positive related to the times of subculturing

    但是不同器官誘導的愈傷組織對于叢生芽的誘導也是不同的,子葉誘導的愈傷組織的分化率較高,有36左右,並且繼代次數的增加也能夠增加分化的幾率
  12. So, the rank of inducing callus from easy to hard is cotyledon, hypocotyls, stem, leafstalk, radicel, endosperm, leaf and root. 3

    誘導的難易分別為:根段、葉片、胚乳、胚根、葉柄、莖段、胚軸、子葉。
  13. The genotype is a main factor in the genetic transformation via agrobacteriwn - mediated. the results of orthogonal experiments of the factors which affect mainly the transformation illuminates that the erniuxin genotype + bacterium 15 x + explant + dip - dye is the best one. the cocultivation time is 28 days. the experiment shows that : the erniuxin cotyledon regeneration frequency is very high, and that the dongnong901 hypocotyl regeneration frequency is very high

    確立了農桿菌介導轉化過程中基因型是影響轉化率的主要因素。通過極差分析,基因型為「二牛心」 ,菌液濃度15倍的,外植體為子葉,感染方法為浸泡法是最佳的組合。農桿菌與外植體共培養的時間為28h 。
  14. Effects of heat - shock on profile and content of water - soluble proteins in seedling cotyledon of three cotton cultivars

    熱激處理對棉苗子葉可溶性蛋白質種類和含量的影響
  15. The explants of for root, hypocotyl and cotyledon were cultured. among them the hypocotyls from 20d or 30d seedings was the best for callus forming and anthocyanin production

    以20d或30d齡的無菌苗下胚軸作外植體,效果好,愈傷組織生長量大,花色素苷的含量也高。
  16. The results showed that the vessel element did n ' t differentiate after the seeds had imbibied for 6 hours ; 6 hours after seeds germination, two loci ? ne below the middle portion of the cotyledon and the other in the lower portion of cotyledon - node zone ( cnz ) initiated the differentiation of vessel element simultaneously, then elongated towards the cotyledonary apex and hypocotyl - root region respectively ; eventually the two promoter loci began to interconnect through vessel elements

    結果表明:種子吸漲6h ,未有導管分子的分化;種子萌發后6小時期間,自子葉中部偏下方和子葉節區下部的兩個位點同時啟動導管分子的分化,並分別向子葉葉尖和下胚軸-根的方向延伸;爾后,在發生兩個啟動位點之間發生導管分子的連接。
  17. By the analysis of mutant growth we can conclude that the photoreceptors of phya, phyb and cryl are responsible for the cotyledon enlargement under fr, rl and bl, respectively

    Kt促進離體和連體子葉的擴大,黑暗條件下促進作用弱。在白光、紅光、藍光下kt對子葉的擴大效應明顯。
  18. The results of variance analysis showed that there was no significant difference in the same organ of soybean varieties, but the difference was highly significant in different organs of same variety. the content of isoflavones in organs on the ground was much more than that of underground at the stage of coming out, and isoflavones in cotyledon was much more than in other tissues in the stage of seedling

    營養生長期異黃酮的分佈存在組織特異性而無種屬特異性,各組織間的差異達到極顯著水平:在大豆出苗期,地上部分的異黃酮含量遠高於地下部分;幼苗期子葉中異黃酮遠高於其它部分;壯苗期和盛花期,葉片中異黃酮的含量遠高於別的組織。
  19. Fig. 5. influence of pycnidiospore density in soil on the disease incidence of melon cotyledon caused by didymella bryoniae

    五、土壤中添加蔓枯病菌柄孢子對于香瓜子葉發病的影響。
  20. In order to establish the genetic transformation system of saussurea medusa maxism by agrobacterium rhizogenes, some work were done. the main results were following : 1 establishment of regeneration systems two systems of regeneration from saussurea medusa maxim were established without cold treatment. the somatic embryos were induced from callus cultured in mise for 35 days. the shoots were induced from cotyledon after cultured in misc 20 days, and from leave which were cultured in misl. the experiment showed that the carbon and glycine in the medium could help to increase the regeneration rate to 95 %

    為篩選水母雪蓮代謝突變體和轉基因研究奠定了一定的基礎,陳亞瓊: m質粒介導水母雪蓮的遺傳轉化及毛狀根中決刪合成的調節p義摘要也為研究類黃酮代謝途徑的關鍵酶基因的轉化、高效表達及作用機理提供了理想的實驗體系。主要的實驗結果如下: 1水母雪蓮高頻再生體系的建立通過體細胞胚胎發生途徑和器官發生途徑,水母雪蓮( squssureamedusamaxim )可以在常溫下獲得再生植株。
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