diff --git a/backend/src/main/java/com/synbiohub/sbh3/services/AdminService.java b/backend/src/main/java/com/synbiohub/sbh3/services/AdminService.java
index 226d0db6..edd16975 100644
--- a/backend/src/main/java/com/synbiohub/sbh3/services/AdminService.java
+++ b/backend/src/main/java/com/synbiohub/sbh3/services/AdminService.java
@@ -295,6 +295,7 @@ public String getTheme() throws IOException {
         json.set("suppressErrorLogs", ConfigUtil.get("suppressErrorLogs"));
         json.set("firstLaunch", ConfigUtil.get("firstLaunch"));
         json.set("uriPrefix", ConfigUtil.get("uriPrefix"));
+        json.set("defaultGraph", ConfigUtil.get("defaultGraph"));
         String result = mapper.writeValueAsString(json);
         return result;
     }
diff --git a/frontend/components/Search/AdvancedSearch/AdditionalFilter.js b/frontend/components/Search/AdvancedSearch/AdditionalFilter.js
index 25f3e236..eba80f72 100644
--- a/frontend/components/Search/AdvancedSearch/AdditionalFilter.js
+++ b/frontend/components/Search/AdvancedSearch/AdditionalFilter.js
@@ -16,6 +16,14 @@ export default function AdditionalFilter(properties) {
   const wrapIRI = v => (v?.startsWith("http") ? `<${v}>` : v);
   const searchQuery = useSelector(state => state.search.query);
   const privateGraphUri = useSelector(state => state.user.graphUri);
+  const theme = JSON.parse(localStorage.getItem('theme')) || {};
+  const publicGraphUri = theme.defaultGraph || '';
+  const fromClause = [
+    publicGraphUri ? `FROM <${publicGraphUri}>` : '',
+    privateGraphUri ? `FROM <${privateGraphUri}>` : ''
+  ]
+    .filter(Boolean)
+    .join('\n');
 
   useEffect(() => {
     const newFilters = [...properties.extraFilters];
@@ -68,7 +76,7 @@ export default function AdditionalFilter(properties) {
           sparql={configureQuery(searchObject, {
             predicate: wrapIRI(properties.extraFilters[properties.index].filter), //selectedPredicate
             constraints: buildFacetConstraints(properties, searchQuery, undefined, properties.index),
-            from: privateGraphUri ? `FROM <${privateGraphUri}>` : ''
+            from: fromClause
           })}
           parseResult={result => {
             const count = result.count ? ` (${result.count.value})` : '';
diff --git a/frontend/components/Search/AdvancedSearch/Options.js b/frontend/components/Search/AdvancedSearch/Options.js
index 8d769d8e..23bd22d3 100644
--- a/frontend/components/Search/AdvancedSearch/Options.js
+++ b/frontend/components/Search/AdvancedSearch/Options.js
@@ -28,17 +28,26 @@ export default function Options(properties) {
   const searchQuery = useSelector(state => state.search.query);
   const username = useSelector(state => state.user.username);
   const privateGraphUri = useSelector(state => state.user.graphUri);
+  const theme = JSON.parse(localStorage.getItem('theme')) || {};
+  const publicGraphUri = theme.defaultGraph || '';
+
+  const fromClause = [
+    publicGraphUri ? `FROM <${publicGraphUri}>` : '',
+    privateGraphUri ? `FROM <${privateGraphUri}>` : ''
+  ]
+    .filter(Boolean)
+    .join('\n');
 
   const facetQuery = (template, excludeFacet) =>
     configureQuery(template, {
       constraints: buildFacetConstraints(properties, searchQuery, excludeFacet),
-      from: username ? `FROM <${privateGraphUri}>` : ''
+      from: fromClause
     });
 
   // load predicates on component mount
   useEffect(() => {
-    loadPredicates(setPredicates, token, dispatch, privateGraphUri);
-  }, [privateGraphUri]);
+    loadPredicates(setPredicates, token, dispatch, fromClause);
+  }, [fromClause]);
 
   // map through extra filters to display them
   const filterDisplay = properties.extraFilters.map((element, index) => {
@@ -182,16 +191,15 @@ export default function Options(properties) {
 }
 
 // function to load predicates
-const loadPredicates = async (setPredicates, token, dispatch, privateGraphUri) => {
-  const results = await fetchPredicates(token, dispatch, privateGraphUri);
+const loadPredicates = async (setPredicates, token, dispatch, fromClause) => {
+  const results = await fetchPredicates(token, dispatch, fromClause);
   setPredicates(results);
 };
 
 // function to fetch predicates
-const fetchPredicates = async (token, dispatch, privateGraphUri) => {
-  const from = privateGraphUri ? `FROM <${privateGraphUri}>` : '';
+const fetchPredicates = async (token, dispatch, fromClause) => {
   const url = `${publicRuntimeConfig.backend}/sparql?query=${encodeURIComponent(
-    configureQuery(getPredicates, { from })
+    configureQuery(getPredicates, { from: fromClause || '' })
   )}`;
   try {
     const headers = {