[問題] PCR p不出來 >"<
趁著暑假進實驗室做實驗,
目前要用pcr夾一段基因的promoter,大約2kb
夾了兩個禮拜,夾的很辛苦 = =
換了兩次primer
第一次:
========================
滅菌ddH2O 28.5 λ
exBuffer 10x 4 λ
extaq 0.5 λ
primer forward 2 λ (10μM) (Tm56)
reverse 2 λ (10μM) (Tm52)
template DNA 1 λ (買來的,不在手邊,濃度忘了= =)
(human genomic DNA)
dNTP 2 λ (2.25mM)(?)
=========================
雜band很多
但是好像有2kb的target(微弱)
做膠上回收2nd PCR卻又p不到
懷疑第一次p到的可能不是我要的target
後來有做human genomic dna電泳,雖然很黏但是沒有斷裂發生,
品質應該還可以
第二次:
========================
滅菌ddH2O 30.5 λ
for CG rich Buffer 4 λ (學長配的)
r taq 0.5 λ
primer forward 1 λ (10μM) (Tm64)
reverse 1 λ (10μM) (Tm64)
template DNA 1 λ (買來的,不在手邊,濃度忘了= =)
(human genomic DNA)
dNTP 2 λ (2.25mM)(?)
==========================
電泳跑完結果….
乾˙乾˙淨˙淨!!!!
完全沒p到!!囧rz
有勞各位高手前輩幫忙看看 >"<
PCR condition:
(1)
D 95℃ 3min
D 95℃ 35sec
A 48℃ 30sec
E 72℃ 2min (5 cycle)
D 95℃ 35sec
A 55℃ 30sec
E 72℃ 2min (30cycle)
E 72℃ 4min
(1) 2nd PCR
D 95℃ 3min
D 95℃ 35sec
A 68℃ 30sec
E 72℃ 2min (30cycle)
E 72℃ 4min
(2)
D 95℃ 3min
D 95℃ 35sec
A 60℃ 30sec
E 72℃ 2min (30cycle)
E 72℃ 4min
--
有一些濃度忘記了或不確定...實驗記錄本目前不在手邊 >"<
有錯請指正!! 謝謝大家~~~~
--
※ 發信站: 批踢踢實業坊(ptt.cc)
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