diff --git a/webapp/client/src/pipelines/MetaT/Workflow/Results/Metatranscriptome.js b/webapp/client/src/pipelines/MetaT/Workflow/Results/Metatranscriptome.js
index ad9ce9f8..2d6a1850 100644
--- a/webapp/client/src/pipelines/MetaT/Workflow/Results/Metatranscriptome.js
+++ b/webapp/client/src/pipelines/MetaT/Workflow/Results/Metatranscriptome.js
@@ -17,7 +17,7 @@ function Metatranscriptome(props) {
                 <Annotation title={'Annotation Result'} result={props.result['annotation-stats']} userType={props.type} allExpand={props.allExpand} allClosed={props.allClosed} />
             }
             {props.result['readMapping-features'] &&
-                <ReadMapping title={'Read Mapping Result'} project={props.project} tooLarge={props.result['readMapping-features-too-large']} features={props.result['readMapping-features']} userType={props.type} allExpand={props.allExpand} allClosed={props.allClosed} />
+                <ReadMapping title={'Read Mapping Result'} project={props.project} tooLarge={props.result['readMapping-features-too-large']} features={props.result['readMapping-features']} topFeatures={props.result['readMapping-top_features']} userType={props.type} allExpand={props.allExpand} allClosed={props.allClosed} />
             }
         </>
     );
diff --git a/webapp/client/src/pipelines/MetaT/Workflow/Results/ReadMapping.js b/webapp/client/src/pipelines/MetaT/Workflow/Results/ReadMapping.js
index 439bf9b4..7d847bf0 100644
--- a/webapp/client/src/pipelines/MetaT/Workflow/Results/ReadMapping.js
+++ b/webapp/client/src/pipelines/MetaT/Workflow/Results/ReadMapping.js
@@ -35,6 +35,10 @@ function ReadMapping(props) {
               <br></br>
               <a href={url + props.features} target="_blank" rel="noreferrer" >[ Export the result as TSV ]</a>
               <br></br><br></br>
+              Top 100 features
+              <br></br>
+              <FeaturesTable data={props.topFeatures} />
+              <br></br>
             </>
             : <>
               <FeaturesTable data={props.features} />
diff --git a/webapp/server/util/workflow.js b/webapp/server/util/workflow.js
index b2d11b1d..0fab12a0 100644
--- a/webapp/server/util/workflow.js
+++ b/webapp/server/util/workflow.js
@@ -189,26 +189,18 @@ const generateWorkflowResult = function (proj) {
     } else if (workflowConf.workflow.name === 'Metatranscriptome') {
         const dirs = fs.readdirSync(outdir);
         dirs.forEach(function (dir) {
-            if (dir === 'qa') {
-                const files = fs.readdirSync(outdir + "/qa");
+            if (dir === 'qa' || dir === 'readsQC') {
+                const files = fs.readdirSync(outdir + "/" + dir);
                 files.forEach(function (file) {
                     if (file.endsWith("_stats.json")) {
-                        result['readsQC-stats'] = JSON.parse(fs.readFileSync(outdir + "/qa/" + file));
-                    }
-                });
-            }
-            if (dir === 'readsQC') {
-                const files = fs.readdirSync(outdir + "/readsQC");
-                files.forEach(function (file) {
-                    if (file.endsWith("_stats.json")) {
-                        result['readsQC-stats'] = JSON.parse(fs.readFileSync(outdir + "/readsQC/" + file));
+                        result['readsQC-stats'] = JSON.parse(fs.readFileSync(outdir + "/" + dir + "/" + file));
                     }
                 });
             }
             else if (dir === 'assembly') {
                 const files = fs.readdirSync(outdir + "/assembly");
                 files.forEach(function (file) {
-                    if (file.endsWith("_stats.json")) {
+                    if (file.endsWith("stats.json")) {
                         result['assembly-stats'] = JSON.parse(fs.readFileSync(outdir + "/assembly/" + file));
                     }
                 });
@@ -221,32 +213,27 @@ const generateWorkflowResult = function (proj) {
                     }
                 });
             }
-            else if (dir === 'metat_output') {
-                const files = fs.readdirSync(outdir + "/metat_output");
+            else if (dir === 'metat_output' || dir === 'readMapping') {
+                const files = fs.readdirSync(outdir + "/" + dir);
                 files.forEach(function (file) {
-                    if (file.endsWith("_sorted_features.tsv")) {
-                        var rows = parseInt(execSync("wc -l < " + outdir + "/metat_output/" + file).toString().trim());
-                        if (rows > config.IO.MAX_DATATABLE_ROWS) {
-                            result['readMapping-features-too-large'] = true;
-                            result['readMapping-features'] = "output/Metatranscriptomics/metat_output/" + file;
-                        } else {
-                            result['readMapping-features-too-large'] = false;
-                            result['readMapping-features'] = Papa.parse(fs.readFileSync(outdir + "/metat_output/" + file).toString(), { delimiter: '\t', header: true, skipEmptyLines: true }).data;
+                    if (file.endsWith("sorted_features.tsv")) {
+                        const jsonFile = file.replace('.tsv', '.json');
+                        let topFeatures = "top100_features.json";
+                        if (!fs.existsSync(outdir + "/" + dir + "/" + topFeatures)) {
+                            topFeatures = file.replace('_sorted_features.tsv', '_top100_features.json');
                         }
-                    }
-                });
-            }
-            else if (dir === 'readMapping') {
-                const files = fs.readdirSync(outdir + "/readMapping");
-                files.forEach(function (file) {
-                    if (file.endsWith("_sorted_features.tsv")) {
-                        var rows = parseInt(execSync("wc -l < " + outdir + "/readMapping/" + file).toString().trim());
+                        var rows = parseInt(execSync("wc -l < " + outdir + "/" + dir + "/" + file).toString().trim());
                         if (rows > config.IO.MAX_DATATABLE_ROWS) {
                             result['readMapping-features-too-large'] = true;
-                            result['readMapping-features'] = "output/Metatranscriptomics/readMapping/" + file;
+                            result['readMapping-features'] = "output/Metatranscriptomics/" + dir + "/" + file;
+                            result['readMapping-top_features'] = JSON.parse(fs.readFileSync(outdir + "/" + dir + "/" + topFeatures));
                         } else {
                             result['readMapping-features-too-large'] = false;
-                            result['readMapping-features'] = Papa.parse(fs.readFileSync(outdir + "/readMapping/" + file).toString(), { delimiter: '\t', header: true, skipEmptyLines: true }).data;
+                            if (fs.existsSync(outdir + "/" + dir + "/" + jsonFile)) {
+                                result['readMapping-features'] = JSON.parse(fs.readFileSync(outdir + "/" + dir + "/" + jsonFile));
+                            } else {
+                                result['readMapping-features'] = Papa.parse(fs.readFileSync(outdir + "/" + dir + "/" + file).toString(), { delimiter: '\t', header: true, skipEmptyLines: true }).data;
+                            }
                         }
                     }
                 });