生物體中毒 的英文怎麼說
中文拼音 [shēngwùtǐzhōngdú]
生物體中毒
英文
biotoxin- 生 : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 體 : 體構詞成分。
- 毒 : Ⅰ名詞1 (對生物體有害的性質或物質; 毒物) poison; toxin 2 (毒品) drug; narcotics 3 (姓氏) a s...
- 生物體 : biont
- 生物 : living things; living beings; organisms; bios (pl bioi bioses); biont; thing; life生物材料 biol...
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The total rna was isolated from pokeweed ( phytolacca americana ) leaves using the method of guanidine isothiocyante and used as template to amplify the total length and deleted mutant pokeweed antiviral protein ( pap ) gene by rt - pcr and then the pap gene was cloned into pgem - t vector. the sequencing results showed that pap gene had 99. 9 % identity comparing with the pap gene nucleotide sequence reported by lin et al ( 1991 ). the iptg - inducible expression vector containing the pap gene was constructed and transferred into e. coli bl21 ( de3 ) - plyss
將缺失型pap基因克隆到植物表達載體pbi121中,通過液氮冷凍法將重組質粒轉入農桿菌lba4404細胞中,然後採用葉盤法,在該農桿菌的介導下將pap基因導入普通煙草中,經過卡那黴素抗性篩選,最後獲得了轉pap基因的工程煙草植株,摩擦接種煙草花葉病毒( tmv ) ,與非轉基因煙草相比,能夠推遲癥狀表現達2月之久,說明pap基因能夠在其它植物體內產生有活性的高抗病毒的蛋白質。Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time
隨后以這幾種重金屬作為實驗毒物,以鯽魚為實驗動物,應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等,全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響,初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響,為制定漁業生產上預防性的管理措施提供科學依據,及時避免或減輕重金屬污染對水生生態系統造成的損害。This commensal organism is part of the gastrointestinal tract flora and can become extremely virulent, often in the setting of immuno - suppression such as neutropenia, occult malignancy ( commonly caecal ) and poorly controlled diabetes
這種(與人類)共生生物是胃腸道菌群的一部分,可以變得毒性巨大,通常發生於機體免疫受抑制,如中性粒細胞減少癥,隱蔽的腫瘤(一般如盲腸) ,或者控制不佳的糖尿病。If water in the coral reef area is contaminated by poisonous algae or dinoflagellates containing ciguatoxin, the small fish might carry the ciguatoxin due to consumption of these poisonous algae or dinoflagellates. if a larger fish then eats these small fish, the poison will likewise be accumulated in the larger fish s body. the larger the fish, the larger the amount of toxin it contains
假使海水受帶有雪卡毒素的單細胞海藻類生物所污染,當海洋中的小魚吃下了海藻,毒素便會積聚在其體內,若大魚吃下這些小魚,毒素在大魚體內積聚更多,故此越重越大的海魚含毒量越高。Staphylococcal food poisoning is resulted from the ingestion of enterotoxins preformed in food by certain strains of s. aureus. staphylococcal enterotoxins ( ses ) are categorized to a family of seven major serological types of emetic enterotoxins with heat stability
金黃色葡萄球菌(簡稱金葡菌, staphylococcusaureus )是常見的食物中毒和醫院污染的主要病原菌之一,金葡菌能產生多種體外毒性蛋白,其中最重要的是葡萄球菌腸毒素( staphylococcalenterotoxins , ses ) 。On the basis of the investigation of the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city, the antagonistic effect of selenium on the harm of mercury ( hg2 + ) to the tissues in swordtail fish ( xiphophorus helleri ), the 22nd offspring purely cultivated by pearl river fishery research institute, were measured by physiological and biochemical indexes and observation of electron microscopy
本研究中首先調查了廣州市河涌沉積物及底棲生物體內重金屬含量及分佈,並以珠江水產研究所培育的水生實驗動物?劍尾魚為實驗材料,利用環境生物技術,電鏡觀察等技術方法研究了重金屬?汞對劍尾魚組織的毒害及機體必需微量元素硒對其毒害的拮抗性影響。The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury
研究內容主要有:廣州市河涌沉積物及底棲生物體內重金屬含量及評價;汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的評價;汞對劍尾魚鰓和肝臟中抗氧化系統的毒性,包括對總抗氧化能力、超氧化物歧化酶、谷胱甘肽過氧化物酶活力及丙二醛含量的測定及硒對其保護作用;汞對劍尾魚組織生理毒性即:汞對na ~ + - k ~ + atpase活力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消化法和火焰原子吸收分光光度法測定了廣州市河涌沉積物和底棲生物中重金屬含量。The results of biological tests have demonstrated that allantoic fluid of the first passage virus did n ' t produce macroscopic pathogenic role to chicken embryos and after passaged for four times, gross lesions were observed in chicken embryo. the virus showed typical coronavirus under electron - microscope and it could n ' t form plaque in cef cells and could hemagglutinates chicken red blood cells after treatment with 1 % trypsin. to surprise, the virus replicated in cef cells also showed hemagglutination activity to chicken red blood cells. in addition, the spf chickens which inoculated with the virus isolated from the chicken damaged tissue showed clinical sign and grow lesion, but it ' s gross lesion did n ' t resemble to those of field outbreaks
生物學特性:雞胚尿囊液經離心、磷鎢酸負染后,電鏡觀察該病毒為典型的冠狀病毒;該毒株的第一代尿囊液對雞胚無肉眼可見的致病作用,當繼代到第5代后,胚體嚴重病變;病毒在雞胚中隨著接種時間的延長,其效價增高, 96h可達到48h的2倍;該毒株可在cef上生長,但不能形成明顯的蝕斑;經1胰酶處理后可凝集雞紅細胞;雞胚的第四代尿囊液病毒回歸動物體,病死雞腎臟呈典型的花斑腎,腺胃則未見肉眼可見的病變。It is effective in controlling different phytophagous pests of field crop, ornamentals, vegetables, fruits and in controlling fire ants. to assess the potential impact of avermectins on the environment, the bioaccumulation potential of avermectin b1a, its major component, in sturgeon ( a. schrenckif ) was examined
本文對阿維菌素( avermectin , avm )環境毒理的一部分內容進行試驗研究,主體試驗部分為研究進入到淡水中的阿維菌素在鱘魚體內的生物富集和生物消除規律。Cytochrome p450 functions as the monooxygenase. p450s are involved in physiologically important processes including steroid metabolism, drug deactivation, procarcinogen activation, fatty acid metabolism, xenobiotic detoxification and wildly distributed in animal, plant and low eukaryotic organism
細胞色素p450具有加單氧酶的作用,並能參與機體解毒、甾體激素的合成、脂肪酸代謝等重要的生理反應,並廣泛分佈於動物、植物和低等真核生物中。The biological functions testified include : enhance iron ion assimilation of epithelial cell of intestine and equilibrate body iron concentration ; broad spectrum of antiviral activity, antibacterial activity and antifungal activity ; modulate marrow cell production and growth ; help to mature and regulate a number of immune cells throughout the body, thus boost body immune ability ; prevents " free iron " from forming free - radicals ; supress tumour growth and prevent tumour formation in animal models
乳鐵蛋白是一種糖蛋白,為轉鐵蛋白家族的一員,在人和哺乳動物的許多器官與組織中廣泛分佈。乳鐵蛋白具有多種生物學功能,這些功能包括:促進人體腸道對鐵的吸收及調節體內鐵的平衡;廣譜抗菌(細菌和真菌) 、抗病毒感染作用等。Iraq ' s procurement efforts include equipment that can filter and separate micro - organisms and toxins involved in biological weapons, equipment that can be used to concentrate the agent, growth media that can be used to continue producing anthrax and botulinum toxin, sterilization equipment for laboratories, glass - lined reactors and specialty pumps that can handle corrosive chemical weapons agents and precursors, large amounts of vinyl chloride, a precursor for nerve and blister agents, and other chemicals such as sodium sulfide, an important mustard agent precursor
伊拉克采購的設備包括可過濾和分離生化武器中微生物和毒素的設備;可用於為炭疽病毒和肉毒(桿)菌病毒集中藥劑和生長媒體的設備;實驗室殺菌設備;可處理腐蝕性化學武器藥劑、前體、乙烯基氯化物(一種神經和水泡藥劑)及其他化學藥劑(如鈉硫化物,芥子氣藥劑的前體)的玻璃線紋反應堆和專業水泵。The reasults are summed up as following : 1 the study on chromosomes and mitoses of bmn cells the cell line, bmn, is a silkworm cell line widely used in silkworm molecular genetics, cell engineering, gene engineering and baculovirus expression system but whose genetics and cytobiology studies are nearly untouched. the chromosomes and mitoses of the bmn cells are researched by the air - drying method and culturing cells on cover glasses
同時,還通過原代培養實驗對新的家蠶胚胎細胞系的建立進行了探索和嘗試,並對家蠶胚胎原代培養過程中出現的細胞和組織類型進行了觀察、探討與研究。 1bmn細胞有絲分裂及染色體研究bmn細胞是家蠶分子遺傳學,細胞工程、基因工程和桿狀病毒表達系統中廣泛應用的家蠶細胞,但其遺傳學和細胞生物學背景知之甚少。Because there are a great quantity ' s heterotrophic bacteria in the breeding pool, which will have the repulsion action to the insufficient quantity ' s nitrifier and prevent the nitrification, the situation will bring the accumulating of nitrite which is the middle substance of nitrification in water, the long term accumulated nitrite can debase fish and shrimp ' s disease - resistant and decrease the growth and even die
由於養殖池中存在大量的異養菌,受到異養性細菌排斥,本身無足夠數量的硝化菌,硝化作用往往受阻,結果就會引起硝化作用的中間產物亞硝酸鹽在水體內的累積、亞硝酸鹽長期蓄積會使魚蝦等抗病力降低、生長受阻、嚴重者中毒死亡。The bvdv nadl strain is cytopathogenic. searching fromgenbank several cp strains " sequence of e2 gene about deer - n21, sh9, newyork - i and so on were found. according to the homologous sequence they were designed and synthesised a pair of primers by the biology software primer 5 and added bal i and nco i site to the 5 " end which can be used for the application of e2 gene and subcloning
從genbank中搜尋出deer - n _ ( 21 ) 、 sh9 、 newyork -等cp型毒株的e _ 2基因序列,根據其同源性用生物學軟體primer5設計引物,並在引物的兩端加入bal和nco兩個酶切位點,酶切位點的存在易於對e _ 2基因進行克隆操作。The conclusion can be drawn that the coat proteins will intrude into chloroplasts with tumv infection, which leads to the modification of chloroplast structure, inhibition of photosynthesis and appearance of mosaic symptoms on leaves
6和4 6 。本研究證明, 2種十字花科寄主植物受tumv侵染后產生的病理生理變化和癥狀表現與病毒cp侵入到葉綠體中有關。Rna silencing is a common phenomenon of rna degradation that is induced by homologous sequences. virus and transposon invasions and various kinds of aberrant rnas can provoke rna silencing
Rna沉默是生物體中普遍存在的一種由同源序列引起的rna降解過程,病毒或轉座子入侵、以及體內產生的各種異常結構rna都可能成為誘導rna沉默發生的因素。The physi - chemical properties of the aluminum, in environmental and physical conditions, are the determinants of its bioavailability and toxicity. aluminum absorption and its metabolic kinetics depend on the properties of al - organics complex to a large extent
鋁的物理化學形態,即暴露的媒介以及生物體的器官中的形態,常常是該元素的生物利用度和毒性的決定因素,鋁的吸收和生物代謝動力學在很大程度上依靠與不同配體形成的絡合物的性質。Different concentrations or different species of selenium may be essential or toxic for organism
形態與濃度不同的硒化合物可能是生物體的必需元素,同時也可能導致中毒。The study progress on environmental activities and residue toxicology of famoxadone were described, and the research emphasis in the future was put forward
摘要綜述了惡唑菌酮的環境行為以及在生物體中的殘留毒性的研究進展,並提出了今後的研究重點。分享友人