从SRA数据库上用prefetch下载文件
prefetch SRR14857120
![ISH}~5D@8@%K}6T.png
Fastq-dump解压
fastq-dump --split-files SRR14857120.sra
(因开始所选基因组过大,下载太慢,所以换了个基因)
fastqc质控;去接头
fastqc SRR14857120_1.fastq
java -jar ~/Biosofts/Trimmomatic-0.38/trimmomatic-0.38.jar PE -phred33 ~/SRR14857120/SRR14857120_1.fastq ~/SRR14857120/SRR14857120_2.stq ./homework_out/output_forward_paired.fq.gz ./homework_out/output_forward_unpaired.fq.gz ./homework_out/output_reverse_paired.fq.gz ./homework_out/output_reverse_unpaired.fq.gz ILLUMINACLIP:Biosofts/Trimmomatic-0.38/adapters/TruSeq2-PE.fa:2:30:10 SLIDINGWINDOW:5:20 LEADING:20 TRAILING:20 MINLEN:75
spades组装基因组草图
spades.py --careful --pe1-1 ~/SRR14857120/SRR14857120_1.fastq --pe1-2 ~/SRR14857120/SRR14857120_2.fastq -o ./homework__out
quast评价组装的基因组效果
quast.py homework__out/contigs.fasta -o quast_out2
![RNA[{
DX]IGGV.png](https://upload-images.jianshu.io/upload_images/27142070-08a4863dba3045a4.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
![GPQ4Q]Q[_D}1%KEY8YKF@4.png](https://upload-images.jianshu.io/upload_images/27142070-56f842cc37aa4a4f.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240) ![IVMCXWXR72F{Y(1TP2)M7ME.png](https://upload-images.jianshu.io/upload_images/27142070-a68bdd705a5da758.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240) ![%PG7BPCDTB8H0869B[_X({6.png](https://upload-images.jianshu.io/upload_images/27142070-25d0c54e7cfd999c.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240) ![8HJ$%@BZDIIRNRC[QTKA_AA.png](https://upload-images.jianshu.io/upload_images/27142070-7cd796f562594b88.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240) ![9HMBUIX
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