rCRUX Generated MiFish Universal 12S Expanded Reference Database
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rCRUX generated reference database using NCBI nt blast database and an additional custom blast database comprised of all Actinopterygii mitogenomes. Both blast databases were downloaded in December 2022. Primer Name: MiFish Universal<br> Gene: 12S<br> Length of Target: 163–185<br> get_seeds_local() minimum length: 170<br> get_seeds_local() maximum length: 250<br> blast_seeds() minimum length: 140<br> blast_seeds() maximum length: 250<br> max_to_blast: 1000<br> Forward Sequence (5'-3'): GTGTCGGTAAAACTCGTGCCAGC<br> Reverse Sequence (5'-3'): CATAGTGGGGTATCTAATCCCAGTTTG<br> Reference: Miya, M., Sato, Y., Fukunaga, T., Sado, T., Poulsen, J. Y., Sato, K., ... & Kondoh, M. (2015). MiFish, a set of universal PCR primers for metabarcoding environmental DNA from fishes: detection of more than 230 subtropical marine species. Royal Society open science, 2(7), 150088. https://doi.org/10.1098/rsos.150088 We chose default rCRUX parameters for <em>get_blast_seeds</em>() of percent coverage of 70, percent identity of 70, evalue 3e+7, and max number of blast alignments = '100000000' and for <em>blast_seeds</em>() of coverage of 70, percent identity of 70, evalue 3e+7, rank of genus, and max number of blast alignments = '10000000'.
rCRUX 生成的参考数据库采用了 NCBI nt 比对数据库(NCBI nt blast database)以及一个由所有辐鳍鱼纲(Actinopterygii)线粒体基因组组成的自定义比对数据库。两个比对数据库均于2022年12月下载。 引物名称:MiFish 通用引物(MiFish Universal) 基因:12S 基因 目标序列长度:163~185 get_seeds_local() 最小长度:170 get_seeds_local() 最大长度:250 blast_seeds() 最小长度:140 blast_seeds() 最大长度:250 最大待比对序列数:1000 正向序列(5'→3'):GTGTCGGTAAAACTCGTGCCAGC 反向序列(5'→3'):CATAGTGGGGTATCTAATCCCAGTTTG 参考文献:Miya, M., Sato, Y., Fukunaga, T., Sado, T., Poulsen, J. Y., Sato, K., 等与 Kondoh, M.(2015)。《MiFish:一套用于鱼类环境DNA宏条形码检测的通用PCR引物:可检测230余种亚热带海洋鱼类》,《皇家学会开放科学》,2(7),150088。https://doi.org/10.1098/rsos.150088 本研究为 *get_blast_seeds*() 函数设置了默认参数:覆盖度70%、序列一致性70%、E值3e+7,最大比对序列数为100000000;为 *blast_seeds*() 函数设置的默认参数为:覆盖度70%、序列一致性70%、E值3e+7、属水平分类排序,最大比对序列数为10000000。



