SRP429502 PRJNA949181 Leptospira MinION direct cDNA sequencing Transcriptome sequencing for 4 different Leptospira serovars, both pathogenic (L. interrogans: Copenhageni; Icterohaemorrhagiae; Mankarso) and non-pathogenic (L. biflexa: Patoc) using ONT's direct cDNA sequencing with and without enzymatic polyadenylation