diff --git a/alignment/dnaseqalign.sh b/alignment/dnaseqalign.sh
index 219f7f822c4cfd2f14c4287c73ba241f88342113..b6a707ddc292f7f704d585ff8c63d3fcd63d87b6 100644
--- a/alignment/dnaseqalign.sh
+++ b/alignment/dnaseqalign.sh
@@ -60,4 +60,4 @@ fi
 which samtools
 samtools sort -n --threads $SLURM_CPUS_ON_NODE -o output.dups.bam output.unsort.bam
 java -Djava.io.tmpdir=./ -Xmx4g  -jar $PICARD/picard.jar FixMateInformation ASSUME_SORTED=TRUE SORT_ORDER=coordinate ADD_MATE_CIGAR=TRUE I=output.dups.bam O=${pair_id}.bam
-samtools index -@ $SLURM_CPUS_ON_NODE ${pair_id}.bam
+samtools index ${pair_id}.bam
diff --git a/variants/gatkrunner.sh b/variants/gatkrunner.sh
index 743f5768479960568403cc76270cad441aee5624..2dcd15033f1f42cdc9b3fba0c28306c516b57dd4 100644
--- a/variants/gatkrunner.sh
+++ b/variants/gatkrunner.sh
@@ -67,11 +67,11 @@ then
     java -Xmx4g -jar $PICARD/picard.jar ReorderSam I=${pair_id}.clean.bam O=${pair_id}.sort.bam R=${reffa} CREATE_INDEX=TRUE 
     java -Xmx4g -jar $PICARD/picard.jar AddOrReplaceReadGroups INPUT=${pair_id}.clean.bam O=${pair_id}.rg_added_sorted.bam SO=coordinate RGID=${pair_id} RGLB=tx RGPL=illumina RGPU=barcode RGSM=${pair_id}
     samtools index -@ $SLURM_CPUS_ON_NODE ${pair_id}.clean.bam
-    java -Xmx4g -jar $GATK_JAR -T SplitNCigarReads -R ${reffa} -I ${pair_id}.sort.bam -o ${pair_id}.split.bam -rf ReassignOneMappingQuality -RMQF 255 -RMQT 60 -U ALLOW_N_CIGAR_READS
-    java -Xmx32g -jar $GATK_JAR -T RealignerTargetCreator -known ${knownindel} -R ${reffa} -o ${pair_id}.bam.list -I ${pair_id}.split.bam -nt $SLURM_CPUS_ON_NODE -nct 1
-    java -Xmx32g -jar $GATK_JAR -I ${pair_id}.split.bam -R ${reffa} --filter_mismatching_base_and_quals -T IndelRealigner -targetIntervals ${pair_id}.bam.list -o ${pair_id}.realigned.bam
+    java -Xmx4g -jar $GATK_JAR -L ${index_path}/../gatk_regions.list -T SplitNCigarReads -R ${reffa} -I ${pair_id}.sort.bam -o ${pair_id}.split.bam -rf ReassignOneMappingQuality -RMQF 255 -RMQT 60 -U ALLOW_N_CIGAR_READS
+    java -Xmx32g -jar $GATK_JAR -L ${index_path}/../gatk_regions.list -T RealignerTargetCreator -known ${knownindel} -R ${reffa} -o ${pair_id}.bam.list -I ${pair_id}.split.bam -nt $SLURM_CPUS_ON_NODE -nct 1
+    java -Xmx32g -jar $GATK_JAR -L ${index_path}/../gatk_regions.list -I ${pair_id}.split.bam -R ${reffa} --filter_mismatching_base_and_quals -T IndelRealigner -targetIntervals ${pair_id}.bam.list -o ${pair_id}.realigned.bam
     java -Xmx32g -jar $GATK_JAR -l INFO -R ${reffa} --knownSites ${dbsnp} -I ${pair_id}.realigned.bam -T BaseRecalibrator -cov ReadGroupCovariate -cov QualityScoreCovariate -cov CycleCovariate -cov ContextCovariate -o ${pair_id}.recal_data.grp -nt 1 -nct $SLURM_CPUS_ON_NODE
-    java -Xmx32g -jar $GATK_JAR -T PrintReads -R ${reffa} -I ${pair_id}.realigned.bam -BQSR ${pair_id}.recal_data.grp -o ${pair_id}.final.bam -nt 1 -nct $SLURM_CPUS_ON_NODE
+    java -Xmx32g -jar $GATK_JAR -L ${index_path}/../gatk_regions.list -T PrintReads -R ${reffa} -I ${pair_id}.realigned.bam -BQSR ${pair_id}.recal_data.grp -o ${pair_id}.final.bam -nt 1 -nct $SLURM_CPUS_ON_NODE
 elif [[ $algo == 'gatkbam' ]]
 then
   samtools index -@ $SLURM_CPUS_ON_NODE ${sbam}