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Library screening, cloning and sequencing Two degenerate primers (TL3, 5¡é-TTYGAICAYCCITAYCCICCIACIAARYIIAGTTT- 3¡é and TL4, 5¡é-CATIGGGTCRATICCRTTIGGICCIGCIACIGTNGG- 3¡é) were designed from AtTTG1 to amplify 700 bp from putative cotton homologues.Amplified fragments were ligated to pGEM-T Easy (Promega) and used to transform E. coli DH5-a F0 cells (Promega). The insert from one clone was released by EcoRI digestion, oligolabelled (Hodgson and Fisk, 1987) and used to probe a 12 DPA (days post-anthesis) cotton fibre cDNA library. resultÖÐÓëÖ®ºôÓ¦µÄ½á¹û£º Initially, two degenerate TTG1 PCR primers were used to amplify a 700 bp fragment from cotton genomi cDNA. Nucleotide sequencing of four clones revealed two distinct, but very similar, sequences. ÎÊÌ⣺×îºóÔõô»á³öÏÖ Nucleotide sequencing of four clones£¿Õâ¸öfourÊÇÔõôÀ´µÄ£¿ÓÃ1¶Ô¼ò²¢ÒýÎïÈ¥À©Ôö700bpµÄƬ¶Î£¬¼ÙÈç˵À©Ôö³öÁË4¸ö²»Í¬µÄƬ¶Î£¬Õâ4¸öƬ¶ÎÓÖÔõô·Ö¿ª£¿ÖصãÊÇÄǸö4 clonesÊÇÔõô»ØÊ£¿¿´ÁËÁ½ÆªÎÄÏ×¶¼ÓÐÕâ¸ö¡£ |
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brightfuture01
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- ×¢²á: 2007-11-21
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hnndpt
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3Â¥2010-10-07 17:03:42
brightfuture01
ľ³æÖ®Íõ (ÎÄ̳¾«Ó¢)
ÎÒ°®´òÀÏ»¢
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- Ó¦Öú: 24 (СѧÉú)
- ¹ó±ö: 1.2
- ½ð±Ò: 113363
- É¢½ð: 1526
- ºì»¨: 224
- ɳ·¢: 1
- Ìû×Ó: 28943
- ÔÚÏß: 3685Сʱ
- ³æºÅ: 464575
- ×¢²á: 2007-11-21
- ÐÔ±ð: GG
- רҵ: Éñ¾ÉúÎïѧ
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