NUCLEOTIDE EXCISION REPAIR
\njˈuːklɪˌɒta͡ɪd ɛksˈɪʒən ɹɪpˈe͡ə], \njˈuːklɪˌɒtaɪd ɛksˈɪʒən ɹɪpˈeə], \n_j_ˈuː_k_l_ɪ__ˌɒ_t_aɪ_d ɛ_k_s_ˈɪ_ʒ_ə_n ɹ_ɪ_p_ˈeə]\
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The reconstruction of a continuous two-stranded DNA molecule without mismatch from a molecule which contained damaged regions. The major repair mechanisms are excision repair, in which defective regions in one strand are excised and resynthesized using the complementary base pairing information in the intact strand; photoreactivation repair, in which the lethal and mutagenic effects of ultraviolet light are eliminated; and post-replication repair, in which the primary lesions are not repaired, but the gaps in one daughter duplex are filled in by incorporation of portions of the other (undamaged) daughter duplex. Excision repair and post-replication repair are sometimes referred to as "dark repair" because they do not require light.
By DataStellar Co., Ltd
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Snake's-head
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