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cÖkœ t wRb †K¬vwbs ej‡Z Kx †evS?
     wRb †K¬vwbs t wRb †K¬vwbs n‡jv †Kv‡bv Rx‡ei DNA c„_K K‡i Zv †_‡K †Kv‡bv we‡kl ˆewk‡ó¨i Kvw•LZ wRb wPwýZ K‡i H wRb‡K

     ûeû Kwc Kiv| A_©vr †Kv‡bv Kvw•LZ wRb‡K ûeû Kwc Kiv ev msL¨v e„w× KivB wRb †K¬vwbs| wRb †K¬vwbs c×wZwU ms‡¶‡c  eY©bv Kiv
     n‡jv-
          wiKw¤^‡b›U  DNA  ‰Zwii  gva¨‡g  DNA  ‡K¬vwbs  ev  wRb  ‡K¬vwbs  Kiv  nq|  †Kv‡bv  Rx‡ei  Kvw•LZ  DNA  LÛ  †K‡U  Dchy³

         e¨vK‡Uwiqvi cøvRwgW DNA ‡Z cÖwZ¯’vcb Kiv nq, d‡j cøvRwgW DNA wU GKwU wiKw¤^‡b›U DNA ‡Z cwiYZ nq| Dchy³
         gva¨‡g GB wiKw¤^‡b›U DNA Gi AmsL¨ Kwc Kiv nq Ges c‡i GKwU myweavRbK †cvlK †Kv‡l cÖ‡ek Kiv‡bv nq|

     4| AwZwi³ cÖkœ t wiKw¤^‡b›U DNA †UK‡bvjwRi ¸iyZ¡ wjL|
     wiKw¤^‡b›U DNA cÖhyw³ t GKwU DNA AYyi Kvw•¶Z `yRvqMv †K‡U LÛwU‡K Avjv`v K‡i Ab¨ GKwU †cvlK  DNA AYyi wbw`©ó
     RvqMvq †Rvov †`qvi d‡j †h msKi DNA AYyi m„wó nq Zv‡K wiKw¤^‡b›U DNA e‡j| wiKw¤^‡b›U DNA ˆZwii cÖhyw³‡KB wiKw¤^‡b›U

     DNA ‡UK‡bvjwR ejv nq|
     K…wl‡¶‡Î wiKw¤^‡b›U DNA cÖhyw³i ¸iyZ¡ t wiKw¤^‡b›U DNA cÖhyw³ n‡”Q eZ©gvb we‡k¦i AZ¨šÍ m¤¢vebvgq cÖhyw³ weÁvb| wb‡P GB

     cÖhyw³i K‡qKwU cÖv‡qvwMK w`K wb‡q Av‡jvPbv Kiv nj Ñ
       1.  AwaK djbkxj km¨ Drcv`‡b t †Kvb eb¨RvZ-Gi wRb Aci dmjx k‡m¨i g‡a¨ ¯’vbvšÍwiZ K‡i AwaK djbkxj km¨ Drcv`b
           Kiv hvq| Av‡gwiKv‡Z †cvKv cÖwZ‡ivax Uªv݇RwbK Zzjv m„wó Kivi gva¨‡g djb eû¸b e„w× Kiv m¤¢e n‡q‡Q|

       2.  ¸YMZ gvb Dbœqb t A‡÷ªwjqv‡Z †fov cvjb GKwU DËg e¨emv| †fov †_‡K cvIqv hvq gvsk I ckg| G‡`i ‡jvg DbœZ Ki‡Z
           mvjdvi cÖ‡qvRb| wiKw¤^‡b›U DNA cÖhyw³i d‡j m~h©gyLxi mvjdvi A¨vwg‡bv A¨vwmW Drcv`bKvix wRb‡K Nv‡m cÖ‡ek Kiv‡bv
           n‡q‡Q| D³ Nvm †L‡j †fov DbœZgv‡bi †jvg cÖ¯‘Z K‡i|

       3.  mycvi ivBm t AvB. cwUªKvm (1999) wiKw¤^‡b›U DNA cÖhyw³i gva¨‡g Japonica Rv‡Zi mycvi avb D™¢veb K‡ib| GB avb
           weUv K¨v‡ivwUb ms‡køl K‡i  Ges AwZwi³ cwigvY Avqib kix‡i †hvMvb †`q|
       4.  ‡ivM cÖwZ‡ivax RvZ D™¢ve‡b t †Uvev‡Kv †gvRvBK fvBivm, c‡U‡Uv fvBivm Gi CP wRb w`‡q UªvÝdg©K…Z ZvgvK MvQ fvBivm

           AvµgY n‡Z wb‡R‡K cÖwZ‡iva Ki‡Q|
       5.   `y¨wZgq Dw™¢` m„wó‡Z t ‡RvbvKx †cvKvi Av‡jv m„wóKvix wRb wiKw¤^‡b›U DNA †UK‡bvjwR cÖwKªqvq ZvgvK Mv‡Q ¯’vbvšÍi m¤¢e

           n‡q‡Q| d‡j AÜKv‡i G MvQ †_‡K Av‡jv we”QywiZ nq|
       6.  bvB‡Uªv‡Rb mseÜb t bvB‡Uªv‡Rb mseÜbKvix e¨vK‡Uwiqv n‡Z bvB‡Uªv‡Rb mse܇bi Rb¨ `vqx wRb n‡jv wbd wRb hv E coli
           bvgK e¨vK‡Uwiqv‡Z ¯’vbvšÍwiZ n‡q‡Q| Avkv Kiv hv‡”Q wbd wRb ¯’vbv¯Í‡ii gva¨‡g fwel¨‡Z mvi Qvov dm‡ji djb evo‡e|
       7.  AvMvQv bvkK Ilya cÖwZ‡iva ¶gZvm¤úbœ Dw™¢` m„wó‡Z t AvMvQv bvkK Ilya cÖwZ‡ivax wRb cÖwZ¯’vcb K‡i Zv‡`i cÖwZ‡iva ¶gZv

           m„wó Kiv n‡q‡Q| †hgb Streptomyces hygroscopicus bvgK e¨vK‡Uwiqv n‡Z c„_KK…Z evi wRb Ugv‡Uv, Avjy I Zv‡gv‡K
           ¯’vbvšÍi K‡i dm&wd‡bvw_ªwmb bvgK AvMvQv bvk‡Ki cÖwZ‡iva ¶gZv AR©b K‡i|

     Jla I wPwKrmv wk‡í t

         1.  gvbe Bbmyywjb Drcv`b t eZ©gv‡b gvby‡li Bbmywjb Drcv`bKvix wRb e¨vK‡Uwiqv‡Z ¯’vcb K‡i wiKw¤^‡b›U DNA cÖhyw³‡Z evwYwR¨Kfv‡e
             Bbmywjb Drcv`b Kiv n‡”Q| d‡j GwU †hgb mnRjf¨ n‡”Q †Zgwb Gi †Kvb cvk¦©cÖwZwµqv bvB|

         2.  B›Uvi‡dib  Drcv`b  t  B›Uvi‡dib  n‡jv  GKai‡bi  D”P  AvYweK  IRb  m¤úbœ  †cÖvwUb  hv  KvÝvi  †Kv‡li  e„w×  I  fvBiv‡mi
             eske„wׇZ evav †`q| 1957 mv‡j Alec Issacs Jean Lindenmann B›Uvi‡dib Avwe®‹vi K‡ib| ¯^vfvweK Ae¯’vq fvBivm
             AvµvšÍ nIqvi `y-GK w`‡bi g‡a¨B gvbe‡`‡ni AwaKvsk †Kvl B›Uvi‡dib Drcbœ K‡i| B›Uvi‡dib ivmvqwbK wewµqvi gv‡a¨‡g

             fvBivm‡K wbw®Œq K‡i †`q| eZ©gv‡b E coli I C÷ n‡Z wRb cÖ‡KŠkj cÖhyw³i gva¨‡g evwYwR¨Kfv‡e B›Uvi‡dib Drcv`b Kiv
             n‡”Q hv †ncvUvBwUm Gi wPwKrmvq e¨eüZ n‡”Q|
         3.  f¨vKwmb Drcv`b t cÖvwY‡`‡n †ivM m„wóKvix fvBivm I e¨vK‡Uwiqvi wei“‡× ¯’vqx cÖwZ‡iva M‡o †Zvjvi Rb¨ f¨vKwmb ev wUKv

             e¨envi Kiv nq| eZ©gv‡b wRb cÖ‡KŠkj cÖhyw³ cÖ‡qvM K‡i e¨vcKfv‡e wewfbœ f¨vKwmb Drcv`b Kiv n‡q‡Q †h¸‡jv †cvwjI,
             h²v, nvg, emšÍmn wewfbœ msµvgK †iv‡Mi wPwKrmvq e¨eüZ n‡”Q|




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