核分裂期 的英文怎麼說
中文拼音 [héfēnlièqī]
核分裂期
英文
karyokinesis stage-
As the cyclin dependent kinase, cdc2 may act at multiple levels during mitosis to repress ribosome biogenesis, which lead the biosynthesis to a relative silent phase, when the most of cell ' s energy expenditure is used in chromosome condensation, breakdown of the nuclear envelope, and formation of the mitotic spindle
作為cyclin依賴激酶, cdc2的激酶活性在很大程度上抑制了細胞的合成代謝,使細胞的蛋白合成進入了一個相對的靜止期,而細胞主要的能量則被應用於細胞分裂時的染色體的濃縮、核膜的降解、紡錘體的形成等。The karyotype of nelumbo nucifera during meiosis zygotene was established in this study, which would help the studies of meiosis and molecular cytogenetics in lotus
摘要本研究建立了中國蓮偶線期染色體的核型,為研究蓮的減數分裂過程及分子細胞遺傳學研究提供基礎。At the onset of mitosis, prophase, the nucleolus breaks down.
有絲分裂的開始稱為前期,核仁消失。However, kit protein doesn " t exist in oogenesis after birth. there are also c - myc positive protein granules in the spermatomeres from metaphase i to telophase ii, in the spermatozoa and in the secretory cells of the spermatheca. c - myc protein expresses not in the normal follicles, but in the follicular cells of the apoptotic ones
Myc在處于減數分裂的中期至末期的精母細胞的細胞質或細胞核內呈陽性表達,在減數分裂后形成的精細胞和受精囊囊壁的上皮細胞的細胞質內也有陽性表達:但在出生后的卵子正常發生過程中無陽性表達,然而在凋亡卵泡的濾泡細胞的細胞質內有陽性表達。The mice showed also ageing - associated decline in oocyte quality, as indicated by increased frequency of premature chromatid separation, spindle disruption and / or chromosome misalignments in mii oocytes of aged mice. the gv oocytes from aged mice normally matured in vitro. the percentages of pronuclear - stage embryos, 2 - cell embryos and blastocyst derived from mii oocytes of aged mice by in vitro fertilization ( ivf ) were comparable with ones of young mice, but pronuclei formed 1 h later in aged mice than in young mice
老齡小鼠gv期卵母細胞能正常體外成熟;老齡小鼠m期卵母細胞經體外受精后形成原核期胚、 2 -細胞期胚和囊胚的比率與年輕小鼠比較無顯著差異,但原核形成時間延遲1小時;在老齡小鼠卵母細胞,注射牛精子抽提物或sr ~ ( 2 + )處理時所誘發的ca ~ ( 2 + )振蕩以及在減數分裂成熟及早期胚胎中的pkc分佈未發生改變。After the treatment was removed for 6 min, the nucleus began to reform in those eggs that the spindle did not recover. after 9 min, new nuclei had been reformed completely. the activated eggs entered the prophase of the next cleavage cycle in about 14 min, the metaphase in 19min ; the anaphase in 24min and the telophase in 29min
未恢復紡錘體的激活卵在解除休克后6min ,卵內染色體開始核化, 9min時形成新的二倍體細胞核, 14min時處入再次分裂的前期, 19min時進入分裂中期, 24min進入分裂後期, 29min時處于分裂末期,且可以看到子核的形成。The author and two colleagues recently used measurements of xenon gas ( a product of uranium fission ) to deduce that one of these ancient reactors must have operated with a duty cycle of about half an hour on and at least two and a half hours off
作者與兩位同事最近透過氙氣(鈾的核分裂產物)的測量推測,這些遠古反應器其中之一必定曾經以運作半小時、關閉兩小時半的周期進行核反應。There were no significant difference in fusion rate, cleavage rate and blastocyte development rate with different enucleation time of oocytes during ivm16 - 24h ( p > 0. 05 )
在體外成熟16 24h期間,水牛卵母細胞去核時間的不同對核移植后的融合率,分裂率和囊胚發育率沒有顯著影響。The metaphases of mitosis were observed under the microscope and the well - dispersed metaphases were selected to statistic the number of the chromosomes. the good - formed metaphases were used to be microphotographed, magnified and measured to study the karyotype of cynoglossus semilaevis gu nther
顯微鏡下觀察分散比較良好的中期分裂相併統計染色體的數量,選取較好的分裂相進行顯微照相,放大和測量,分析半滑舌鰨的核型。The concentration of 0. 0375 % is better than th at of 0. 075 %. the conclusion can be drawn according to the observation of 517 clear metaphases of mitosis that the number of diploid chromosome is 2n = 42 and the karyotype formula is 42t, nf = 42. a special huge chromosome was observed in a part of larval fish
通過對517個清晰的中期分裂相的觀察和統計,最終確定:半滑舌鰨的半滑舌姻的早期胚胎光聰觀察及核型研究染色體眾數zn ? 42 ,臂數nf二42 ,核型為42t ,全部為端部著絲粒染色體。Their flowers and fruits were removed in this experiment to enhance them to take branch roots on the stems, and then the branch roots were used as materials. five mitosis metaphase cells, with their chromosomes well scattered, were counted. chromosome number of hup is 2x = 24, and its karyotype formula is 2n = 2x = 24 = 8m + 12sm + 4st, being to " 3b " of stebbins
本實驗採取去其花、果實,促其莖節上長側根的辦法,以其側根為實驗材料,統計了5個分散較好的有絲分裂中期細胞,其染色體數目為2x = 24 ,核型公式為2n = 2x = 24 = 8m + 12sm + 4st ,核型類型為3b型。At that time, cytosolic fluorescence intensity decreased to normal level, which shows that most of cells get through the gl / s point and enter the log phase. when cultured in medium that neucl was omitted, most of the cells were synchronized at gl stage of cell cycle. with flow cytometry, we found that cytosolic cam content of gl cells was higher than that of normal cells at log stage
在激光掃描共聚焦顯微鏡下觀察不同周期時相裂殖酵母細胞中cam的濃度及分佈變化,結果表明,分裂期細胞總體熒光強度強于間期細胞;而對同一細胞內熒光強度的分析說明,間期細胞的熒光主要分佈於胞質中,細胞核內則分佈較少;而正在進行有絲分裂的細胞內熒光主要集中於赤道板處;剛完成有絲分裂的細胞內熒光則相對集中於兩端或其中的一端。Oklo, after all, serves as a good analogue for a long - term geologic repository, which is why scientists have examined in great detail how the various products of fission have migrated away from these natural reactors over time
畢竟歐克陸等於是長期地質儲存庫的最好範例,這就是為什麼科學家要詳細研究,各種核分裂產物是如何隨時間由這些天然核反應堆中遷移出來。Although almost all this material, which has a 24, 000 - year half - life, has since disappeared ( primarily through natural radioactive decay ), some of the plutonium itself underwent fission, as attested by the presence of its characteristic fission products
這些物質半衰期為2萬4000年,幾乎已經全部消失(主要是經由自然的放射衰變過程) ,而且部份的鈽本身又經過核分裂,這可由其核分裂產物為證。During conjugation, the complementary mating type cells unite pairwise undergo meiosis, exchange gametic nuclei and separate again
在接合生殖期間,交配型互補的細胞相互識別配對,進行減數分裂、交換配子核,然後分開。In this paper, the effect of nuclear actin on the process of chromosome construction has been studied by utilizing the precise natural synchrous plasmodium of physarum polycephalum, sds - polyacryl amide gel electrophoresis ( sds - page ), western blotting, the cell - free system and optics microscopy. the major results and conclusions are as follows : 1
本實驗以多頭絨泡菌原質團為材料,採用同步化培養、細胞核提取、 sds - page 、免疫印跡、非細胞體系構建、光學顯微鏡觀察等方法,研究了有絲分裂前期核內肌動蛋白對染色體構建的影響。In the course of present investigation in interspecific hybrid of tritical crops, cytomixis mas observed at microspore stage, the present investigation deals with detailed analysis of this phenomenon at different conditions
作者在麥類遠緣雜種的減數分裂過程中發現,在減數分裂的前期和小孢子時期均存在核穿壁的現象,並對各種狀態下的穿壁現象進行了詳細的觀察研究。In order to find out the cytoplasmic and nuclear mechanisms regulating meiosis and the relations between meiotic errors and age - associated changes in the oocytes, gvs were exchanged between gv oocytes from different age groups of mice
同時,在年輕小鼠的gv期卵母細胞與不同年齡段小鼠的gv期卵母細胞之間進行gv互換,以探討細胞核與細胞質調控減數分裂的機制以及減數分裂錯誤與卵母細胞衰老相關變化的關系。After 15h of maturation. 98 % of oocytes released the first polar body and thus the first meiosis of mouse oocytes ended. secondly, strong chromosome to chromosome binding was induced by culturing pro - mi oocytes in demecolcine supplemented medium
第一次減數分裂期小鼠卵母細胞經化學去核后,去除透明帶,並胎兒成纖維細胞粘合、電融合併srcl2激活,培養于微孔中。Polyclonal anti - cdc2 antibodies, anti - cdc25c monoclonal antibodies and peroxidase - conjugated horse anti goat igg were purchased from sigma chemical co. ( stlouis, mo ) reagents [ a - 32p ] dctp and [ r - 32p ] atp were purchased from yahui biotech - nology co. ltd, china
在真核細胞中,進入分裂其是依賴于mpf ( mphasepromotingfaetor ) , mpf由edez激酶和eyelinb組成,通過磷酸化在有絲分裂期起作用的底物而發揮作用。分享友人