diff --git a/rdflib/plugin.py b/rdflib/plugin.py
index 828c0baa9..76fa19519 100644
--- a/rdflib/plugin.py
+++ b/rdflib/plugin.py
@@ -149,18 +149,30 @@ def plugins(name=None, kind=None):
     'SPARQLUpdateStore', Store,
     'rdflib.plugins.stores.sparqlstore', 'SPARQLUpdateStore')
 
+register(
+    'application/rdf+xml', Serializer,
+    'rdflib.plugins.serializers.rdfxml', 'XMLSerializer')
 register(
     'xml', Serializer,
     'rdflib.plugins.serializers.rdfxml', 'XMLSerializer')
+register(
+    'text/n3', Serializer,
+    'rdflib.plugins.serializers.n3', 'N3Serializer')
 register(
     'n3', Serializer,
     'rdflib.plugins.serializers.n3', 'N3Serializer')
+register(
+    'text/turtle', Serializer,
+    'rdflib.plugins.serializers.turtle', 'TurtleSerializer')
 register(
     'turtle', Serializer,
     'rdflib.plugins.serializers.turtle', 'TurtleSerializer')
 register(
     'trig', Serializer,
     'rdflib.plugins.serializers.trig', 'TrigSerializer')
+register(
+    'application/n-triples', Serializer,
+    'rdflib.plugins.serializers.nt', 'NTSerializer')
 register(
     'nt', Serializer,
     'rdflib.plugins.serializers.nt', 'NTSerializer')
@@ -170,6 +182,9 @@ def plugins(name=None, kind=None):
 register(
     'trix', Serializer,
     'rdflib.plugins.serializers.trix', 'TriXSerializer')
+register(
+    "application/n-quads", Serializer,
+    'rdflib.plugins.serializers.nquads', 'NQuadsSerializer')
 register(
     "nquads", Serializer,
     'rdflib.plugins.serializers.nquads', 'NQuadsSerializer')
@@ -180,15 +195,27 @@ def plugins(name=None, kind=None):
 register(
     'xml', Parser,
     'rdflib.plugins.parsers.rdfxml', 'RDFXMLParser')
+register(
+    'text/n3', Parser,
+    'rdflib.plugins.parsers.notation3', 'N3Parser')
 register(
     'n3', Parser,
     'rdflib.plugins.parsers.notation3', 'N3Parser')
+register(
+    'text/turtle', Parser,
+    'rdflib.plugins.parsers.notation3', 'TurtleParser')
 register(
     'turtle', Parser,
     'rdflib.plugins.parsers.notation3', 'TurtleParser')
+register(
+    'application/n-triples', Parser,
+    'rdflib.plugins.parsers.nt', 'NTParser')
 register(
     'nt', Parser,
     'rdflib.plugins.parsers.nt', 'NTParser')
+register(
+    'application/n-quads', Parser,
+    'rdflib.plugins.parsers.nquads', 'NQuadsParser')
 register(
     'nquads', Parser,
     'rdflib.plugins.parsers.nquads', 'NQuadsParser')
diff --git a/test/test_finalnewline.py b/test/test_finalnewline.py
index dbd3d7ba4..acbe61490 100644
--- a/test/test_finalnewline.py
+++ b/test/test_finalnewline.py
@@ -23,7 +23,7 @@ def testFinalNewline():
 
     failed = set()
     for p in rdflib.plugin.plugins(None, rdflib.plugin.Serializer):
-        if p.name not in ( 'nquads', 'trix' ):
+        if p.name not in ( 'application/n-quads', 'nquads', 'trix' ):
             v = graph.serialize(format=p.name)
             lines = v.split(b("\n"))
             if b("\n") not in v or (lines[-1]!=b('')):
diff --git a/test/test_roundtrip.py b/test/test_roundtrip.py
index 4ab0fd56f..757b608c2 100644
--- a/test/test_roundtrip.py
+++ b/test/test_roundtrip.py
@@ -26,6 +26,7 @@
 
 SKIP = [
     ('xml', 'test/nt/qname-02.nt'),  # uses a property that cannot be qname'd
+    ('application/rdf+xml', 'test/nt/qname-02.nt'),  # uses a property that cannot be qname'd
 ]