染色體鏈 的英文怎麼說
中文拼音 [rǎnshǎitǐliàn]
染色體鏈
英文
chromosome chain- 染 : Ⅰ動詞1 (用染料著色)dye 2 (感染) catch [contract] (a disease) 3 (沾染) acquire (a bad hab...
- 色 : 色名詞[口語] (顏色) colour
- 體 : 體構詞成分。
- 鏈 : Ⅰ名詞1. (鏈子) chain Ⅱ動詞(用鏈栓住) chain; enchain Ⅲ量詞(計量海洋上距離的長度單位) cable length
- 染色體 : [生物學] chromosome染色體疾病 chromosomal disorders; 染色體異常 chromosome abnormality
- 染色 : dye; dyeing; colouration; tintage; tinging; dyschroia; colouring; colour; [半] decoration染色不足...
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In addition to avermectins, s. avermitilis produces oligomycin, a strongly toxic compound. gene deletion vector pxl05 was used to disrupt oligomycin polyketide synthase ( pks ) encoding genes ( olma ) in streptomyces avermitilis cz8 - 73, the producer of anthelmintic avermectins b and the cell growth inhibitor oligomycin. olma gene cluster in the chromosome was displaced by deletion allele on the plasmid via double crossover
本研究以產阿維菌素b和寡黴素的阿維鏈黴菌cz8 - 73為出發菌株,構建了基因缺失載體pxl05 ,並將其轉入cz8 - 73中,通過缺失載體和染色體之間的同源雙交換,對染色體上長達90kb的寡黴素聚酮合酶( pks )基因簇( olma )進行了缺失。This discovery stemmed from our studies on the instability of the streptomyces chromosomes
這個發現源自我們針對鏈?菌染色體不穩定的研究。The retention tune of each of the three main peaks of the antibiotic fr - 008 is entirety identical to candicidin, except for one peak ( fr - 008d ), which can also be seen as a very weak signal on the hplc profile of candicidin with the same rt
因此可以推測,這兩個菌株在表型上的差別有可能與鏈黴菌fr - 008中的線性質粒有直接的關系,但也不能排除染色體基因之間的差異。The powder was then applied to a silica gel column chromatography charged with 80 % acetone in water and eluted with the same solvent. after concentrating and drying, relatively pure fr - 008 was obtained. hplc assay a comparison between antibiotic fr - 008 and candicidin has been made by studying the hplc separation profiles of antibiotic fr - 008, candicidin and a mixture of both
對鏈黴菌fr - 008和灰色鏈黴菌imru3570的rflp分析發現,它們的染色體具有很高同源性; pfge的比較研究發現,這兩個菌株的明顯區別是鏈黴菌fr - 008攜帶有兩個線性質粒,而在灰色鏈黴菌imru3570中則沒有這兩個線性質粒。Partial chromosomes happened abnormally during pollen mother cells meiosis, which included chromosome chain, chromosome loop, lagging chromosome and chromosome unequal distribution
麗? 2號花粉母細胞在減數分裂期染色體行為發生了異常,出現較高頻率的染色體鏈及少部分的染色體環和落後染色體。The overall structure of the chromosome of s. nanchangensis ns3226was shown to be linear dna molecule with covalently bound terminal proteins. the chromosome telomeres of this strain were seemingly to lie on the two largest chromosomal asei fragments, but the conclusion needs to be refined
本研究還對南昌鏈黴菌ns3226染色體的結構進行了探索,初步揭示野生型南昌鏈黴菌ns3226的染色體為線性dna分子,末端具有共價結合的末端蛋白,染色體的末端可能處于染色體中最大的兩條ase片段上。Plasmids are exta-chromosomal doublestranded, circular dna molecules found in prokaryotic and eukaryotic cells.
質粒是在原核和真核細胞中發現的染色體外的雙鏈環狀DNA分子。In this study, we attempted to construct an engineering strain producing only avermectin bl through the replacement of dna encoding dh2 - kr2 domains of the avermectin pks ( avedh2 - kr2 ) with dna encoding dh2 - kr2 domains from the pikromycin pks in s. avermitilis olm73 - 12, producing only avermectins b and no oligomycin. gene replacement vector pxl201 ( pkc1139 : : 5 ' flank + pia : dh2 - kr2 + 3 ' flank ) was used to transform 5. avermitilis olm73 - 12 protoplasts
我們以不產寡黴素而僅產阿維菌素b的工程菌olm73 - 12為出發菌株,用委內瑞拉鏈黴菌( streptomycesvenezuelae )中編碼pikromycinpks模塊2上完全活性的dh和酮基還原酶( kr )的dna區域對olm73 - 12染色體上編碼阿維菌素pks模塊2中dh和kr的區域進行取代,試圖構建僅產b1組分的基因工程菌。Genes are arranged in order along the dna strand within the chromosome
存在於染色體內的dna長鏈上的基因呈有序排列。Discussion the ends of linear chromosomes are protected by telomeres that consist of double - stranded repetitive sequences complexed with specific telomere - binding proteins
討論端粒由雙鏈重復序列dna及特異的端粒結合蛋白組成,能保護線性染色體的末端。This paper proposes the array chain chromosome coding and the adaptive ga ( aga ) that combines the self - adaptive mutation probability and simulation anneal punishment function
提出了數組鏈染色體編碼方式,以及基於自適應性變異概率和模擬退火懲罰函數法的適應性遺傳演算法( aga ) 。The pot1 ( protection of telomeres ) protein binds the singlestranded overhang and is required for both chromosomal end protection and telomere length regulation
Pot1蛋白與單鏈的突出端結合併被認為是保護染色體末端和調節端粒長度所必需的。It was also proved that the biosynthestic genes of apramycin was linked to the apramycin resistant gene in s. tenebrarius
Pcr實驗證明基因重組菌株中接合轉移質粒同源整合到黑暗鏈黴菌h6的染色體上。Exponential phase cultures of the dr rl strain survive exposure to gamma radiation at doses as high as 5, 000 gy without loss of viability or evidence of dna damage induced mutation. 6000 gy of irradiation will induce approximately 200 dna double - strand breaks in dr chromosomes, but it is still able to reconstruct a functional genome from chromosomal fragments without any mutation
指數生長期的r1菌株即使在5kgy劑量的-射線照射后,其生長能力也未受影響, 6kgy -射線照射后染色體基因組產生約200個的雙鏈斷裂碎片,但是其基因組dna經修復后沒有引起任何的突變。This organism can repair at least 150 double strand breaks of each chromosome induced by ionizing radiation without lethality or mutagenesis within several hours
該菌能在輻照后幾小時內準確無誤地修復每條染色體上至少150多個dna雙鏈斷裂。Plasmids are exta - chromosomal doublestranded, circular dna molecules found in prokaryotic and eukaryotic cells
質粒是在原核和真核細胞中發現的染色體外的雙鏈環狀dna分子。The work on physical mapping of the chromosome of s. nanchangensis ns3226 was initiated. nearly a full set of chromosomal asei - bamhi fragments of s. nanchangensis ns3226 were cloned and used as probe to hybridized against its genomic library. thirty four asei linking cosmids were observed from 162 hybridizing cosmids and 20 of them showed no obvious overlapping each other by bamhi digestion, suggesting distinct identifications
此外,還開展了南昌鏈黴菌ns3226染色體物理圖譜構建的前期研究工作:基本克隆到了南昌鏈黴菌ns3226染色體上全套的ase - bamh片段,以它們為探針從南昌鏈黴菌ns3226的基因文庫中釣到164個陽性克隆,並從中篩選到34個ase linkingcosmids ,用bamh進行初步的酶譜分析,結果表明其中有20個cosmids的bamh酶譜相互間沒有明顯的重疊性。Additionally, hau3r gene with it own promoter was cloned into high - copy plasmid pij653 and integrative plasmid pset152, respectively. transformants of s. lividans zx1 carrying these clones were infected with hau3, respectively, but the results shown that there was no significant correlation between the copy number of hau3r gene and the level of resistance to hau3
另外,將染色體來源的攜帶自身啟動子的hau3 ~ r基因分別克隆到高拷貝和低拷貝載體上並將其導入變鉛青鏈黴菌zx1 ,在實驗條件下未發現拷貝數與抗性水平間存在顯著相關性。The research was ultimately possible thanks to the unique composition of the fruit flies ' polytene cells - - giant, multistranded chromosomes with hundreds of sets of the genome instead of the usual two sets in conventional cells
這項研究可能最終還要感謝果蠅與眾不同的染色體組成? ?巨大、多鏈狀染色體,和一般細胞兩套染色體不同,果蠅染色體有數百套之多。Strain pseudomonas psuedoalcaligenese ys1 was capable of producing phas containing monomer of hb and mcl has in certain medium. phacl and phac2, two key polyhydroxyalkanoates polymerase genes of pha biosynthesis were amplified and cloned from chromosomal dna of pseudomonas psuedoalcaligenese ys1 using pcr
本研究利用聚合酶鏈式反應( pcr )技術,從p . psuedoalcaligeneseys1染色體dna中擴增並克隆了調控短鏈與中鏈pha生物合成的兩個關鍵酶基因: phac1 、 phac2基因。分享友人