diff --git a/include/boost/fusion/sequence/container/list/cons.hpp b/include/boost/fusion/sequence/container/list/cons.hpp
index 41196974..075bee7d 100644
--- a/include/boost/fusion/sequence/container/list/cons.hpp
+++ b/include/boost/fusion/sequence/container/list/cons.hpp
@@ -85,7 +85,7 @@ namespace boost { namespace fusion
             : car(rhs.car), cdr(rhs.cdr) {}
 
         template <typename Sequence>
-        explicit cons(
+        cons(
             Sequence const& seq
           , typename disable_if<
                 mpl::or_<
diff --git a/include/boost/fusion/sequence/container/list/list.hpp b/include/boost/fusion/sequence/container/list/list.hpp
index d3743d10..67219fff 100644
--- a/include/boost/fusion/sequence/container/list/list.hpp
+++ b/include/boost/fusion/sequence/container/list/list.hpp
@@ -35,8 +35,8 @@ namespace boost { namespace fusion
         list(list<BOOST_PP_ENUM_PARAMS(FUSION_MAX_LIST_SIZE, U)> const& rhs)
             : inherited_type(rhs) {}
 
-        template <typename T>
-        explicit list(T const& rhs)
+        template <typename Sequence>
+        list(Sequence const& rhs)
             : inherited_type(rhs) {}
 
         //  Expand a couple of forwarding constructors for arguments
diff --git a/include/boost/fusion/sequence/container/map/map.hpp b/include/boost/fusion/sequence/container/map/map.hpp
index 82bcfe8e..0a19d823 100644
--- a/include/boost/fusion/sequence/container/map/map.hpp
+++ b/include/boost/fusion/sequence/container/map/map.hpp
@@ -45,8 +45,8 @@ namespace boost { namespace fusion
         map()
             : data() {}
         
-        template <typename T>
-        explicit map(T const& rhs)
+        template <typename Sequence>
+        map(Sequence const& rhs)
             : data(rhs) {}
 
         #include <boost/fusion/sequence/container/map/detail/map_forward_ctor.hpp>
diff --git a/include/boost/fusion/sequence/container/set/set.hpp b/include/boost/fusion/sequence/container/set/set.hpp
index 68b2f7c9..965e6e60 100644
--- a/include/boost/fusion/sequence/container/set/set.hpp
+++ b/include/boost/fusion/sequence/container/set/set.hpp
@@ -45,8 +45,8 @@ namespace boost { namespace fusion
         set()
             : data() {}
         
-        template <typename T>
-        explicit set(T const& rhs)
+        template <typename Sequence>
+        set(Sequence const& rhs)
             : data(rhs) {}
 
         #include <boost/fusion/sequence/container/set/detail/set_forward_ctor.hpp>
diff --git a/include/boost/fusion/sequence/container/vector/detail/vector_n.hpp b/include/boost/fusion/sequence/container/vector/detail/vector_n.hpp
index 923165d0..ab295432 100644
--- a/include/boost/fusion/sequence/container/vector/detail/vector_n.hpp
+++ b/include/boost/fusion/sequence/container/vector/detail/vector_n.hpp
@@ -88,7 +88,10 @@
         typedef mpl::int_<N> size;
     
         BOOST_PP_CAT(vector, N)() {}
-    
+
+#if (N == 1)
+        explicit
+#endif
         BOOST_PP_CAT(vector, N)(
             BOOST_PP_ENUM_BINARY_PARAMS(
                 N, typename detail::call_param<T, >::type _))
@@ -100,7 +103,7 @@
             : base_type(BOOST_PP_ENUM_PARAMS(N, vec.m)) {}
 
         template <typename Sequence>
-        explicit BOOST_PP_CAT(vector, N)(
+        BOOST_PP_CAT(vector, N)(
             Sequence const& seq
           , typename disable_if<is_convertible<Sequence, T0> >::type* dummy = 0)
             : base_type(base_type::init_from_sequence(seq)) {}
diff --git a/include/boost/fusion/sequence/container/vector/vector.hpp b/include/boost/fusion/sequence/container/vector/vector.hpp
index e4da4e70..bf7ea597 100644
--- a/include/boost/fusion/sequence/container/vector/vector.hpp
+++ b/include/boost/fusion/sequence/container/vector/vector.hpp
@@ -56,10 +56,10 @@ namespace boost { namespace fusion
         vector(vector const& rhs)
             : vec(rhs.vec) {}
 
-        template <typename T>
-        explicit vector(T const& rhs)
+        template <typename Sequence>
+        vector(Sequence const& rhs)
 #if BOOST_WORKAROUND(BOOST_MSVC, <= 1400)
-            : vec(ctor_helper(rhs, is_base_of<vector, T>())) {}
+            : vec(ctor_helper(rhs, is_base_of<vector, Sequence>())) {}
 #else
             : vec(rhs) {}
 #endif
diff --git a/include/boost/fusion/tuple/tuple.hpp b/include/boost/fusion/tuple/tuple.hpp
index 2e5ef15c..1e3d9cca 100644
--- a/include/boost/fusion/tuple/tuple.hpp
+++ b/include/boost/fusion/tuple/tuple.hpp
@@ -30,8 +30,8 @@ namespace boost { namespace fusion
         tuple()
             : base_type() {}
         
-        template <typename T>
-        explicit tuple(T const& rhs)
+        template <typename Sequence>
+        tuple(Sequence const& rhs)
             : base_type(rhs) {}
 
         #include <boost/fusion/tuple/detail/tuple_forward_ctor.hpp>