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Tetracyclines are a group of broad-spectrum antibiotic compounds that have a common basic structure and are either isolated directly from several species of Streptomyces bacteria or produced semi-synthetically from those isolated compounds. Tetracycline molecules comprise a linear fused tetracyclic nucleus (rings designated A, B, C and D) to which a variety of functional groups are attached. Tetracyclines are named for their four ("tetra-") hydrocarbon rings ("-cycl-") derivation ("-ine"). They are defined as a subclass of polyketides, having an octahydrotetracene-2-carboxamide skeleton and are known as derivatives of polycyclic naphthacene carboxamide.While all tetracyclines have a common structure, they differ from each other by the presence of chloride, methyl, and hydroxyl groups. Thes

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  • Tetracycline antibiotics (en)
  • تتراسيكلينات (ar)
  • Tetracykliny (cs)
  • Tetracycline (de)
  • Cyclines (antibiotiques) (fr)
  • Tetracicline (it)
  • テトラサイクリン系抗生物質 (ja)
  • Tetracykliny (pl)
  • Tetracyclines (nl)
  • Тетрациклины (ru)
  • 四环素类抗生素 (zh)
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  • تتراسيكلينات (بالإنجليزية: Tetracyclines)‏ هي مضادات حيوية واسعة الطيف تشمل فعاليتها فعالية البنسلين والستربتومايسين والكلورامفينيكول. (ar)
  • Tetracykliny, též tetracyklinová antibiotika jsou velkou skupinou širokospektrálních antibiotik. Působí primárně bakteriostaticky především proti intracelulárním gramnegativním bakteriím a též proti mnoha druhům grampozitivních bakterií, i když v současnosti je již problémem velké rozšíření rezistence. Tetracykliny první generace jsou metabolickými produkty , další jsou již semisyntetické látky od nich odvozené. Jejich účinek na bakterie spočívá ve vazbě na ribozomy a inhibici syntézy proteinů v bakteriální buňce. (cs)
  • Tetracycline oder Tetrazykline sind antibiotisch wirksame Substanzen, die als Arzneimittel zur Behandlung von Infektionskrankheiten eingesetzt werden. Es gibt natürlich vorkommende Vertreter, die von Bakterien der Gattung Streptomyces produziert werden, und halbsynthetisch hergestellte Varianten, die durch chemische Veränderunge der biogenen Ausgangsstoffe erzeugt werden. Tetracycline wirken bakteriostatisch durch Hemmung der bakteriellen Proteinbiosynthese an den Ribosomen. Somit wird das Wachstum von grampositiven, gramnegativen und zahlreichen zellwandlosen Bakterien unterdrückt. (de)
  • Les cyclines ou tétracyclines constituent une famille d'antibiotiques dérivés de la tétracycline. Ces molécules ont pour caractéristique de posséder quatre cycles accolés, d'où leur nom. Elles sont capables de pénétrer les cellules eucaryotes. On les utilise donc en particulier pour cibler les bactéries parasites intra-cellulaires (exemple : Chlamydia pneumoniae). Ces molécules sont bactériostatiques ; il y a donc un risque de récidive. (fr)
  • テトラサイクリン系抗生物質(英: Tetracycline antibiotics, Tetracycline class, Tetracyclines、略: TC系, TC類, TCs, TETs)は、一群のの総称である。テトラサイクリンという名称は、四つの(tetra-)炭化水素からなる(cycl-)の誘導体(-ine)という意味である。TC系の抗菌スペクトラムは、全ての抗生物質で最も広い部類に属している。抗菌作用のない化学修飾されたCMTs(Chemically Modified Tetracyclines)の研究も進んでいる。 (ja)
  • Le tetracicline sono un vasto gruppo di farmaci antibatterici inibitori della sintesi proteica. Efficaci contro i batteri Gram-positivi, Gram-negativi aerobi e anaerobi, contro brucelle e diarree causate da Escherichia coli. Inoltre, esse sono attive nei confronti di alcuni microorganismi resistenti agli antibiotici che agiscono sulla parete cellulare batterica, quali le rickettsie, le clamidie, i micoplasmi e i fitoplasmi. (it)
  • Тетрациклины (англ. tetracyclines)— группа антибиотиков, относящихся к классу поликетидов, близких по химическому строению и биологическим свойствам. Представители данного семейства характеризуются общим спектром и механизмом антимикробного действия, полной перекрёстной устойчивостью, близкими фармакологическими характеристиками. Различия касаются некоторых физико-химических свойств, степени антибактериального эффекта, особенностей всасывания, распределения, метаболизма в макроорганизме и переносимости. (ru)
  • 四环素类抗生素,一個(Broad-spectrum antibiotic)藥物家族的泛稱,因其氢化并四苯母核而得名。本类药物抗菌谱广,对革兰氏阴性菌、革兰氏阳性菌、螺旋体、衣原体、立克次氏体、支原体、放线菌和阿米巴原虫都有较强的作用。但近年来,其应用受到耐药的影响。 (zh)
  • Tetracyclines are a group of broad-spectrum antibiotic compounds that have a common basic structure and are either isolated directly from several species of Streptomyces bacteria or produced semi-synthetically from those isolated compounds. Tetracycline molecules comprise a linear fused tetracyclic nucleus (rings designated A, B, C and D) to which a variety of functional groups are attached. Tetracyclines are named for their four ("tetra-") hydrocarbon rings ("-cycl-") derivation ("-ine"). They are defined as a subclass of polyketides, having an octahydrotetracene-2-carboxamide skeleton and are known as derivatives of polycyclic naphthacene carboxamide.While all tetracyclines have a common structure, they differ from each other by the presence of chloride, methyl, and hydroxyl groups. Thes (en)
  • Tetracyclines zijn een groep antibiotica gebaseerd op tetracycline. De tetracyclines inhiberen de binding van het aminoacyl-tRNA met mRNA (codon) ter hoogte van het 30S-ribosoom. Ze werken bacteriostatisch. Hun werking is omkeerbaar en afhankelijk van de bereikte concentratie binnen in de bacteriële cel. De belangrijkste tetracyclines zijn tetracycline, , , doxycycline en . (nl)
  • Tetracykliny, antybiotyki tetracyklinowe − grupa antybiotyków o szerokim spektrum działania, pierwotnie otrzymywana ze szczepów promieniowca . Ich mechanizm działania polega na hamowaniu biosyntezy białka (zapobiegają wiązaniu się aminoacylo-tRNA z miejscem A rybosomu, blokując tym samym podjednostki 30S rybosomów bakteryjnych) i zaburzaniu procesów energetycznych w komórkach bakteryjnych. (pl)
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