pollen tube 中文意思是什麼

pollen tube 解釋
花粉管
  • pollen : n. 1. 【植物；植物學】花粉。2. 【蟲類】粉面。vt. 授粉給；傳粉給；用花粉掩蓋。
  • tube : n 1 管，筒；顏料管。2 管狀地下隧道；〈口語〉（倫敦的）地下鐵道。3 【炮】炮身；【汽鍋】鍋管；【解...
  1. ( 4 ) fluorescent investigation shows that pollen started to germinate about 20 hours later after deposited on the stigmas, only 1 or 2 pollen tubes can penetrate ovary to micropylar end on the fifth day. callose plugs evenly formed in the pollen tube, and sometimes callus deposited randomly along pollen tube wall and even the whole tube wall. ( 5 ) 16 species of insects visited c. praecox in nanjing, belonging to hymenoptera, diptera, coleoptera, thysanoptera and spiders ( arachnoidea ) ; apis cerana cerana fabricius, aldrichina grahami ( aldrich ), epistrophe balteata de gee, musca hervei villeneuve are its main efficient pollinators

    （ 5 ）南京地區蠟梅的訪問昆蟲約16種，分屬膜翅目hymenoptera 、雙翅目diptera 、鞘翅目coleoptera ，纓翅目thysanoptera 、及蛛形綱arachnoidea ，主要傳粉昆蟲有4種：膜翅目蜜蜂科東方蜜蜂中華亞種apisceranaceranafabricius 、雙翅目蠅科muscidae黑邊家蠅muscaherveivillcneuve 、麗蠅科calliphoridae巨尾阿麗蠅aldrichinagrahami （ aldrich ）及食蚜蠅科syrphidae黑帶食蚜蠅epistrophebalteatadegeer ；亮葉蠟梅的訪問昆蟲約18種，分屬鞘翅目coleoptera 、半翅目hemiptera 、纓翅目thysanoptera 、膜翅目hymenoptera 、雙翅目diptera 、鱗翅目lepidoptera ，另外有蛛形綱arachnoidea的蠟橄ch儷ononthuspr口ecox （ l
  2. Degenerate oligonucleotides to highly conserved regions of cucumis melo 1 - aminocyclopropane - 1 - carboxylic acid ( acc ) oxidase gene were used to prime the amplification of fragment of 128bp by ploymerase chain reaction ( pcr ) in samples of genomic dna from fruit of cucumis melo l. cv hetao flesh, which was cloned into plasmid vector pmd - 18 - t. the clon of antisense orientation were selected, and it was inserted downstream of camv35s promoter and enhancer " " of tmv into the plant expression vector pbinyxw, antisence expression vector pbinya was constructed. at the base that pollination and fertilization of cucumis melo l. cv hetao was studied, using pollen tube pathway transformate cucumis melo l. cv hetao, 76 fruit had been obtained, moreover, hardness and content of sugar were analysed

    本實驗以河套蜜瓜果肉基因組dna為模板，用甜瓜acc氧化酶基因特異寡核苷酸鏈為引物進行pcr擴增，得到128bp的擴增產物。將得到的擴增產物克隆到質粒載體pmd - 18 - t上，篩選反向克隆，然後將其反向構建到植物表達載體pbinyxw的camv35s啟動子和tmv增強子「 」的下游，構建成反義表達載體pbinya 。並在對河套蜜瓜授粉受精生物學研究的基礎上，通過花粉管通道法轉化河套蜜瓜，共獲76顆瓜，並進行了硬度和含糖量的分析。
  3. In seed plants it is the generative cell in the pollen grain, which divides in the pollen tube to produce two sperm cells

    在種子植物中，它是在花粉粒中的生殖細胞，可以在花粉管內分裂形成兩個精子。
  4. Generative nuclei the two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms

    雄原核：在被子植物花粉管中的生殖細胞（應為雄原核譯者注）分裂成兩個配子的核。
  5. The present paper reviews the construction and constitutes of pollen tube wall, the migration of generative cell and vegetative nucleus, as well as the movements of organelles and secretory vesicles in pollen tubes

    本文就細胞壁的結構及組成，生殖細胞和營養核的移位，細胞器以及分泌小泡的運動等方面作了較全面論述。
  6. A serologic reaction retards the growth of the pollen tube.

    血清反應阻止花粉管生長。
  7. By sds - page and immuno - blotting, we found that a monoclonal antibody of anti - chick brain cytoplasmic dynein intermediate chain antibody could react with cytoplasmic dynein intermediate chain - like protein at 67 kda in lily pollen. under confocal laser scanning microscopy after immunoflurescence labeling, we found that the dynein intermediate chain - like protein appeared punctated and was co - localization partly with microtubules in cytoplasm of lily pollen tube

    免疫熒光標記及激光共聚焦掃描顯微鏡觀察發現，類細胞質力蛋白中間鏈在百合花粉管中存在於顆粒狀細胞器上；免疫熒光雙標及激光共聚焦掃描顯微鏡觀察發現，百合花粉管中類細胞質力蛋白中間鏈和微管存在部分共分佈。
  8. Distribution of exogenous dna in upland cotton by pollen tube pathway

    在棉花胚珠內的分佈
  9. The pap gene was also transformed into wheat by pollen tube pathway - mediated and 320 grains of transgenic wheat was harvested. the seedlings of the seeds were inoculated with the gav isolate of barley yellow dwarf virus ( bydv ) by schizaphis graminum ( rondani ) and the results revealed that 33 wheat seedlings did not produce the symptom or the symptom was very mild

    通過花粉管通道法將pap基因導入小麥，收獲了轉基因小麥種子320粒，將其播種，返青后，直接用麥二叉蚜將大麥黃矮病毒（ bydv ） gav株系接種到幼苗葉片上，觀察發病情況。
  10. Internal fertilization takes place in the seed plants and some clubmosses and ferns, often by means of a pollen tube

    種子植物、某些石松和蕨類植物依賴于花粉管完成體內受精。
  11. After treatment with bfa, immunoflurescence labeling and confocal laser scanning microscopy indicated that the cytoplasmic dynein intermediate chain - like protein in lily pollen tube was insensitive to bfa treating, but spectrin - like protein was sensitive to it under the same condition

    用bfa處理百合花粉管后，通過免疫熒光標記及激光共聚焦掃描顯微鏡觀察發現類細胞質力蛋白中間鏈對bfa不敏感；同樣的處理發現類紅膜肽對bfa敏感。
  12. The endosperm is usually triploid and develops from the primary endosperm nucleus, the triploid nucleus resulting from the fusion of one of the male gametes from the pollen tube with the polar nuclei in the embryo sac

    胚乳通常是三倍體，由初生胚乳核發育而來，三倍體核來源於花粉管中的雄配子與胚囊中兩個極核的融合。
  13. Ecms associated with pollen tube growth include arabinogalactan proteins, extensin - like glycoproteins, proline - rich proteins, calmodulin, s - glycoproteins, pectins and those that specifically located in the ovary

    與花粉萌發和花粉管生長相關的雌蕊胞外基質種類主要包括阿拉伯半乳糖蛋白、類伸展素糖蛋白、富含脯氨酸糖蛋白、鈣調素、 s -糖蛋白、果膠以及子房的特異性物質等。
  14. When a pollen grain germinates, a pollen tube pushes its way out through an aperture in the pollen grain wall, and the nuclei migrate into the tube

    生殖細胞核分裂，形成兩個僅由細胞核和細胞質構成的精子，其中一個將與卵受精，另一個則與極核融合形成胚乳核。
  15. Two - dimensional electrophoresis of self and non - self pollinated pollen tube proteins of shatinyu

    異交花粉管蛋白雙向電泳分析
  16. This is the first time to report this pattern of pollen tube oscillatory growth in plants

    這種振蕩生長方式在其它種類花粉管中沒有報道。
  17. Studies on culture of insect - resistant rice by transforming rice with pin gene via the pollen - tube pathway

    基因通過花粉管通道法轉化水稻的研究
  18. The result affirmed that it is available to improve protein content through pollen tube pathway

    這證明利用花粉管通道法提高蛋白質含量是行之有效的。
  19. The results obtained in our laboratory in the past decade years showed, apoplast calmodulin in plant kingdom may regulate a lot of growth and development process of plant, such as accelerating the proliferation of angelica dahurica suspension cells and the proplast cell regeneration, startup the pollen germination of many plants " pollen and accelerating the elongation of the pollen tube, stimulating the redox of corn root " s cell, inducing the expression of light independent rbss gene, and participating in the regulation of the restraining function of al ~ ( 3 + ) to pollen tube germination

    我室多年的研究結果表明，植物質外體cam可能做為多肽第一信使調節著植物體諸多的生長發育過程：如促進白芷懸浮細胞的細胞增殖和原生質體壁再生，啟動並促進多種花粉的萌發和花粉管的伸長，刺激玉米根細胞的氧化還原反應，誘導rbcs基因光不依賴的表達，以及參與調節胞外al ~ （ 3 + ）對花粉萌發的抑制效應等。
  20. It would contribute to understanding the regulation mechanism of pollen tube growth only when more detailed studies of the biochemistry and physiological functions of ck2 had been done in pollen

    至今，還沒有人在花粉中檢測ck2的存在以及研究它的功能。百合花粉ck2全長cdna的克隆，將有助於研究它在花粉中的生理生化功能。
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