Cellranger: bam 文件

possorted_genome_bam.bam : 比对后所有的结果文件，按照第一列（序列名，也就是序列的位置编号）进行排序

官方文档：https://support.10xgenomics.com/single-cell-gene-expression/software/pipelines/3.1/output/bam

1. bam to fastq

https://cloud.tencent.com/developer/article/2031984

2. bam 文件中每一列的含义

https://www.jianshu.com/p/a39c60e9faf5
https://www.jianshu.com/p/503f8a450812
https://davetang.org/muse/2018/06/06/10x-single-cell-bam-files/
https://support.10xgenomics.com/single-cell-gene-expression/software/pipelines/3.1/output/bam

3. bam -> filtered matrix

官方文件：

https://www.10xgenomics.com/resources/analysis-guides/tutorial-navigating-10x-barcoded-bam-files

4. Subsetting a BAM to cells of interest

https://support.10xgenomics.com/single-cell-dna/software/pipelines/latest/using/bamslice

https://www.jianshu.com/p/e3517ff352c8