diff --git a/src/docmap-generator.ts b/src/docmap-generator.ts
index a5371ae..875a9e6 100644
--- a/src/docmap-generator.ts
+++ b/src/docmap-generator.ts
@@ -114,12 +114,13 @@ export const generateWebContent = (url: Url): WebPage => ({
   url,
 });
 
-export const generateManuscript = (doi?: DOI, identifier?: string, volumeIdentifier?: string, electronicArticleIdentifier?: string): Manuscript => ({
+export const generateManuscript = (doi?: DOI, identifier?: string, volumeIdentifier?: string, electronicArticleIdentifier?: string, subjectDisciplines?: string[]): Manuscript => ({
   type: 'manuscript',
   doi,
   identifier,
   volumeIdentifier,
   electronicArticleIdentifier,
+  subjectDisciplines,
 });
 
 export const generatePersonParticipant = (name: string, role: string): Participant => ({
diff --git a/src/docmap-parser.test.ts b/src/docmap-parser.test.ts
index 8e12779..f4984d2 100644
--- a/src/docmap-parser.test.ts
+++ b/src/docmap-parser.test.ts
@@ -393,6 +393,10 @@ describe('docmap-parser', () => {
       doi: '10.1101/123456',
       volume: '1',
       eLocationId: 'RP123456',
+      subjects: [
+        'Biochemistry and Chemical Biology',
+        'Neuroscience',
+      ],
     });
   });
 
@@ -431,6 +435,9 @@ describe('docmap-parser', () => {
       doi: '10.1101/123456',
       volume: '1',
       eLocationId: 'RP123456',
+      subjects: [
+        'subject 1',
+      ],
     });
   });
 });
diff --git a/src/docmap-parser.ts b/src/docmap-parser.ts
index 9fdb812..149bb1f 100644
--- a/src/docmap-parser.ts
+++ b/src/docmap-parser.ts
@@ -84,6 +84,7 @@ export type Manuscript = {
   doi?: string,
   volume?: string,
   eLocationId?: string,
+  subjects?: string[],
 };
 
 export type ManuscriptData = {
@@ -101,6 +102,7 @@ const getManuscriptFromExpression = (expression: Expression): Manuscript | false
     doi: expression.partOf.doi,
     volume: expression.partOf.volumeIdentifier,
     eLocationId: expression.partOf.electronicArticleIdentifier,
+    subjects: expression.partOf.subjectDisciplines,
   };
 };
 
@@ -203,6 +205,9 @@ const findAndUpdateOrAddPreprintDescribedBy = (expression: Expression, preprintC
     if (foundManuscriptData.volume) {
       existingManuscript.volume = foundManuscriptData.volume;
     }
+    if (foundManuscriptData.subjects) {
+      existingManuscript.subjects = foundManuscriptData.subjects;
+    }
   }
   const foundPreprint = findPreprintDescribedBy(expression, preprintCollection);
   if (!foundPreprint) {
@@ -230,6 +235,9 @@ const republishPreprintAs = (expression: Expression, preprint: ReviewedPreprint,
     if (foundManuscriptData.volume) {
       existingManuscript.volume = foundManuscriptData.volume;
     }
+    if (foundManuscriptData.subjects) {
+      existingManuscript.subjects = foundManuscriptData.subjects;
+    }
   }
   const newPreprint = preprint;
 
diff --git a/src/docmap.ts b/src/docmap.ts
index 6b0b81c..ab7a547 100644
--- a/src/docmap.ts
+++ b/src/docmap.ts
@@ -122,6 +122,7 @@ export type Manuscript = {
   identifier?: string,
   volumeIdentifier?: string,
   electronicArticleIdentifier?: string,
+  subjectDisciplines?: string[],
 };
 
 export type Step = {
diff --git a/src/test-fixtures/docmapGenerators.ts b/src/test-fixtures/docmapGenerators.ts
index c728ef2..5212f0c 100644
--- a/src/test-fixtures/docmapGenerators.ts
+++ b/src/test-fixtures/docmapGenerators.ts
@@ -49,7 +49,7 @@ export const fixtures = {
   },
 
   preprintWithManuscriptAsOutput: (): DocMap => {
-    const manuscript = generateManuscript('10.1101/123456', '123456', '1', 'RP123456');
+    const manuscript = generateManuscript('10.1101/123456', '123456', '1', 'RP123456', ['Biochemistry and Chemical Biology', 'Neuroscience']);
     const preprint = generatePreprint('preprint/article1', new Date('2022-03-01'), undefined, undefined, undefined, undefined, manuscript);
     const firstStep = generateStep([], [generateAction([], [preprint])], []);
     return generateDocMap('test', publisher, firstStep);
@@ -64,7 +64,7 @@ export const fixtures = {
 
   preprintWithUmbrellaExpressionsFromMultipleLocations: (): DocMap => {
     const manuscript = generateManuscript('10.1101/123456', '123456', undefined, 'RP123456');
-    const manuscript2 = generateManuscript('10.1101/123456', '123456', "1");
+    const manuscript2 = generateManuscript('10.1101/123456', '123456', "1", undefined, ['subject 1']);
     const preprint = generatePreprint('preprint/article1', new Date('2022-03-01'), undefined, undefined, undefined, undefined, manuscript);
     const preprint2 = generatePreprint('preprint/article1', new Date('2022-03-01'), undefined, undefined, undefined, undefined, manuscript2);
     const assertion = generateDraftAssertion(preprint2);