胚子葉 的英文怎麼說
中文拼音 [pēiziyè]
胚子葉
英文
scutellum-
The cotyledons of the mature embryo are either green, yellow or chalky yellow.
成熟胚的子葉是綠色,黃色或淺黃色。The embryo consists of two large fleshy cotyledons.
胚有兩片大而肉質的子葉。During development of the seedling, the hypocotyl forms the lower portion of the stem from the radicle up to the cotyledons.
在幼苗發育期間,下胚軸從胚根到子葉的莖的下部形成。Embryo culture and plant regeneration from cotyledons in interspecies hybrids of cherry
櫻桃種間雜交種胚培養及子葉植株再生Cytyledons and future stalk called the hypocotyl elongate.
子葉和未來稱為下胚軸的主軸延長。According to the space - tim e maturation during the development of the vessel elements in primary vascular system : the vessel elememts of the cotyledons and the lower portion of cnz formed firstly, then downward hypocotyl - root zone, at length, the vessel elememts of the upper and middle portion of cnz and epicotyl - shoot region connected with each other, the result uphold the seedling partition model that divides seedling into cnz, hypocotyl - root region and epicotyl - shoot region
根據金魚草幼苗初生維管系統導管分子發育的時空性,即子葉和子葉節區下部導管分子先形成,然後向下形成下胚軸-根區的導管分子,最後子葉節區中、上部與上胚軸-苗區的導管分子再發生連接,據此支持將幼苗分為子葉節區、下胚軸-根區和上胚軸-苗區的幼苗分區模型。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。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。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。7 - 10 days " seedlings after the seeds germinated, the meristem in the stem apex functioned to form true leaf primordium, meanwhile, the vessel elements which differentiated from parenchymatous cells of the middle and upper portion of the cnz connected with the vessel elements from procambium of epcotyl - shoot region
種子萌發7 - 10天,幼苗的莖端分生組織活動形成真葉雛形,此時由子葉節區中、上部薄壁細胞的轉分化形成的導管分子與上胚軸-苗區原形層形成的導管分子發生連接。For example, in the development of the plant embryo from the zygote, one end becomes the radicle, the other gives rise to cotyledons
例如植物由合子到胚的發育,一端形成胚根,另一端成為子葉。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。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。The carpel is homologous with the megasporophylls of certain spore - bearing vascular plants ( pteridophytes ) and the ovuliferous scales of gymnosperms
心皮和能產生孢子的維管植物(羊齒類)還有具胚珠的裸子植物的大孢子葉是同源的。In nonendospermic seeds most of the endosperm is absorbed by the developing embryo and the food stored in the cotyledons
在無胚乳種子胚的發育過程中,大部分胚乳被吸收,養料儲存在子葉中。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。S. regeneration system of mustard hypocotyls and cotyledons of 4 days and leaves of 25 days were used as transformation materials, and ms as basic medium supplying different ba ^ naa and kt concentration, we got the optimum explant adventitious bud inducing medium ( ms + 6 - ba3. 0mg / l + naa0. 2 mg / l ). among the three kinds of mustard explants. the cotyledons showed the highest adventitious bud regeneration capacity. and the regeneration capacity of leaf explantswas weaker. and the weakest of hypocotyls
芥菜高頻再生體系的建立以4天左右的葉用和莖用芥菜子葉、下胚軸和25天苗齡的芥菜無菌苗的葉片為外植體,以ms為基本培養基,通過加入不同濃度和不同組合的ba 、 naa 、 kt ,篩選到了外植體不定芽分化的最適培養基( ms + ba3 . 0mg / l + naa0 . 1mg / l )及生根的最適培養基( ms + naa0 . 2mg / l ) 。6. transformation system of mustard a serials of kanamycin concentration was added to optimum medium to test the explants resistance capacity of two kinds of mustard. the transformation procedures described were derived from numerous regeneration and trasformation designed to test factors that might affect shoot regeneration, which including length of co - cultivation. those producing the best result parameters were described as below : after the mustard explants were precultured on regeneration medium for 2 days. they were inoculated with agrobacterium for 20 minutes. inoculated explants were co - cultivated for 4 days and in shadow at first 2 days. then transferred to the same medium plus 30 mg / l kanamycin and 500mg / l garb. all of them were transferred to fresh medium every 2 weeks. the kan - resistant plants were regenerated
芥菜外植體高頻遺傳轉化體系的建立在最適培養基上試驗了兩類芥菜的三種外植體對卡那黴素的敏感性、預培養天數、浸菌時間等因素的影響,建立了芥菜高頻轉基因再生體系:取生長4天的芥菜子葉、下胚軸和25天的葉片在分化培養基上( ms + ba3 . 0mg / l + naa0 . 1mg / l )預培養2 - 3天後,投入農桿菌菌液中浸染20分鐘,在分化培養基上暗培養2天,正常條件下培養2天後,轉入抗性培養基( ms ba32 establishment of genetic transformation system by agrobacterium rhizogenes the different types of explants ( hypocotyls, cotyledon, leaf blade, petiole ) were infected by strain r1601 of agrobacterium rhizogenes
( 2 0mg l )上培養30d后經過體細胞胚胎發生途徑產生大量的叢生苗;子葉培養在誘導子葉產生叢生苗培養基( msoc ) ms ba ( 2 0 。( 1 ) plant regeneration system of cucumber contyledonary node was established. ( 1 ) the cotyledonary node was regarded as optimal explant by comparing the differentiation frequency of 3 kinds of explants ( cotyledon, cotyledonary node and hypocotyl ). ( 2 ) by discussing the effect of pgr ( naa and 6 - ba ) concentration and combination on differentiation frequency of adventitious buds, we concluded that the optimal shoot induction medium is ms basal medium with 1mg / l 6 - ba ( ph5. 8 )
( 1 )黃瓜子葉節植株再生建立東北農業大學理學碩士學位論文一通過對比三種外植體(于葉、子葉節、下胚軸)的分化率,得出最佳外植體類型為子葉節;通過探討pgr ( naa 、 6 ba )濃度和配比對不定芽分化的影響,得出最佳芽誘導培養基為:卜1叭6 。分享友人