diff --git a/datastore/migrations/00004_AddStrain_up.sql b/datastore/migrations/00004_AddStrain_up.sql
index bd38800..a9ed6e0 100644
--- a/datastore/migrations/00004_AddStrain_up.sql
+++ b/datastore/migrations/00004_AddStrain_up.sql
@@ -9,6 +9,7 @@ CREATE TABLE strains (
     etymology CHARACTER VARYING(500),
     accession_banks CHARACTER VARYING(100),
     genbank_embl_ddb CHARACTER VARYING(100),
+    isolated_from CHARACTER VARYING(100),
 
     created_at TIMESTAMP WITH TIME ZONE,
     updated_at TIMESTAMP WITH TIME ZONE,
diff --git a/models/strains.go b/models/strains.go
index 5f36379..bd5e8c4 100644
--- a/models/strains.go
+++ b/models/strains.go
@@ -1,6 +1,7 @@
 package models
 
 import (
+	"database/sql"
 	"errors"
 	"net/http"
 	"strconv"
@@ -12,16 +13,17 @@ import (
 
 // A Strain is a subclass of species
 type Strain struct {
-	Id             int64       `json:"id,omitempty"`
-	SpeciesId      int64       `db:"species_id" json:"speciesId"`
-	StrainName     string      `db:"strain_name" json:"strainName"`
-	StrainType     string      `db:"strain_type" json:"strainType"`
-	Etymology      string      `db:"etymology" json:"etymology"`
-	AccessionBanks string      `db:"accession_banks" json:"accessionBanks"`
-	GenbankEmblDdb string      `db:"genbank_embl_ddb" json:"genbankEmblDdb"`
-	CreatedAt      time.Time   `db:"created_at" json:"createdAt"`
-	UpdatedAt      time.Time   `db:"updated_at" json:"updatedAt"`
-	DeletedAt      pq.NullTime `db:"deleted_at" json:"deletedAt"`
+	Id             int64          `json:"id,omitempty"`
+	SpeciesId      int64          `db:"species_id" json:"speciesId"`
+	StrainName     string         `db:"strain_name" json:"strainName"`
+	StrainType     string         `db:"strain_type" json:"strainType"`
+	Etymology      string         `db:"etymology" json:"etymology"`
+	AccessionBanks string         `db:"accession_banks" json:"accessionBanks"`
+	GenbankEmblDdb string         `db:"genbank_embl_ddb" json:"genbankEmblDdb"`
+	IsolatedFrom   sql.NullString `db:"isolated_from" json:"isolatedFrom"`
+	CreatedAt      time.Time      `db:"created_at" json:"createdAt"`
+	UpdatedAt      time.Time      `db:"updated_at" json:"updatedAt"`
+	DeletedAt      pq.NullTime    `db:"deleted_at" json:"deletedAt"`
 }
 
 func NewStrain() *Strain {
diff --git a/models/strains_test.go b/models/strains_test.go
index 3961098..c9fb9fe 100644
--- a/models/strains_test.go
+++ b/models/strains_test.go
@@ -55,7 +55,7 @@ func TestStrainService_Create(t *testing.T) {
 	mux.HandleFunc(urlPath(t, router.CreateStrain, nil), func(w http.ResponseWriter, r *http.Request) {
 		called = true
 		testMethod(t, r, "POST")
-		testBody(t, r, `{"id":1,"speciesId":1,"strainName":"Test Strain","strainType":"Test Type","etymology":"Test Etymology","accessionBanks":"Test Accession","genbankEmblDdb":"Test Genbank","createdAt":"0001-01-01T00:00:00Z","updatedAt":"0001-01-01T00:00:00Z","deletedAt":{"Time":"0001-01-01T00:00:00Z","Valid":false}}`+"\n")
+		testBody(t, r, `{"id":1,"speciesId":1,"strainName":"Test Strain","strainType":"Test Type","etymology":"Test Etymology","accessionBanks":"Test Accession","genbankEmblDdb":"Test Genbank","isolatedFrom":{"String":"","Valid":false},"createdAt":"0001-01-01T00:00:00Z","updatedAt":"0001-01-01T00:00:00Z","deletedAt":{"Time":"0001-01-01T00:00:00Z","Valid":false}}`+"\n")
 
 		w.WriteHeader(http.StatusCreated)
 		writeJSON(w, want)
@@ -124,7 +124,7 @@ func TestStrainService_Update(t *testing.T) {
 	mux.HandleFunc(urlPath(t, router.UpdateStrain, map[string]string{"Id": "1"}), func(w http.ResponseWriter, r *http.Request) {
 		called = true
 		testMethod(t, r, "PUT")
-		testBody(t, r, `{"id":1,"speciesId":1,"strainName":"Test Strain Updated","strainType":"Test Type Updated","etymology":"Test Etymology Updated","accessionBanks":"Test Accession Updated","genbankEmblDdb":"Test Genbank Updated","createdAt":"0001-01-01T00:00:00Z","updatedAt":"0001-01-01T00:00:00Z","deletedAt":{"Time":"0001-01-01T00:00:00Z","Valid":false}}`+"\n")
+		testBody(t, r, `{"id":1,"speciesId":1,"strainName":"Test Strain Updated","strainType":"Test Type Updated","etymology":"Test Etymology Updated","accessionBanks":"Test Accession Updated","genbankEmblDdb":"Test Genbank Updated","isolatedFrom":{"String":"","Valid":false},"createdAt":"0001-01-01T00:00:00Z","updatedAt":"0001-01-01T00:00:00Z","deletedAt":{"Time":"0001-01-01T00:00:00Z","Valid":false}}`+"\n")
 		w.WriteHeader(http.StatusOK)
 		writeJSON(w, want)
 	})