Retrieving QTL Data

See also general guidelines on searching MGD and an Overview of MGD.
If you have additional questions, comments, or wish to report a problem, contact User Support.

Retrieving QTL Data from MGD

QTL data in MGD can be accessed through Phenotype, Strain, QTL symbol, Marker Symbol, Chromosome location, Author, Publication, or a combination of these.

Descriptions of each of these QTL query access points are described below.

For more detailed information on the representation of QTL data in MGD see, the description of the QTL Data Model.

Field Descriptions for Quantitative Trait Loci Data

FIELD
DESCRIPTION
Phenotype Class and Phenotype Name
Complex trait phenotypes associated with Quantitative Trait Loci are classified into several broad categories. You can list all of the studies included in a particular Phenotype Class by selecting it. Alternatively, you can try a more specific search by entering a search term into the Phenotype Name field instead.
Strain symbol(s)
Strain of mouse used in a QTL mapping experiment. Default operator: BEGINS. Generates a list of all QTL studies in which a specific strain of mouse has been used.
QTL symbol(s)
Symbol for a Quantitative Trait Locus. Default operator: BEGINS. You can also specify multiple QTL symbols. In this case, you must type the exact QTL symbols, each separated by a comma. When you search using multiple symbols, the query finds the set of records such that each experiment contains data on all the markers you specified. It is important to note that not all QTLs in MGD have been assigned symbols.
Marker symbol(s)
Symbol for a mouse marker. Default operator: BEGINS. You can also specify multiple marker symbols. In this case, you must type the exact marker symbols, each separated by a comma. When you search using multiple symbols, the query finds the set of records such that each experiment contains data on all the markers you specified.
Chromosome
Mouse chromosome selection list. You can select one or more chromosomes to filter your search to retrieve experimental records related to markers on specified chromosomes.
Authors
The complete list of authors of the article. The default operator is CONTAINS. Enter a part of the name of the author you are interested in. Using the BEGINS operator is equivalent to using the First author field.
J Number
Unique ID assigned to a reference in MGD. Use this field to retrieve experiment records related to a particular reference. The default operator is "=". Be wary of using "<", ">" or other operators as they specify an open-ended range of possible values. You can search for mapping records related to multiple references by entering multiple J numbers. To do so, you must user the "=" operator and enter the J numbers separated by commas

Return to the Prototype QTL Query Form

The Mouse Genome Database Project is supported by NIH grant HG00330.
The Gene Expression Database Project is supported by NIH grant HD33745.
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FIELD	DESCRIPTION
Phenotype Class and Phenotype Name	Complex trait phenotypes associated with Quantitative Trait Loci are classified into several broad categories. You can list all of the studies included in a particular Phenotype Class by selecting it. Alternatively, you can try a more specific search by entering a search term into the Phenotype Name field instead.
Strain symbol(s)	Strain of mouse used in a QTL mapping experiment. Default operator: BEGINS. Generates a list of all QTL studies in which a specific strain of mouse has been used.
QTL symbol(s)	Symbol for a Quantitative Trait Locus. Default operator: BEGINS. You can also specify multiple QTL symbols. In this case, you must type the exact QTL symbols, each separated by a comma. When you search using multiple symbols, the query finds the set of records such that each experiment contains data on all the markers you specified. It is important to note that not all QTLs in MGD have been assigned symbols.
Marker symbol(s)	Symbol for a mouse marker. Default operator: BEGINS. You can also specify multiple marker symbols. In this case, you must type the exact marker symbols, each separated by a comma. When you search using multiple symbols, the query finds the set of records such that each experiment contains data on all the markers you specified.
Chromosome	Mouse chromosome selection list. You can select one or more chromosomes to filter your search to retrieve experimental records related to markers on specified chromosomes.
Authors	The complete list of authors of the article. The default operator is CONTAINS. Enter a part of the name of the author you are interested in. Using the BEGINS operator is equivalent to using the First author field.
J Number	Unique ID assigned to a reference in MGD. Use this field to retrieve experiment records related to a particular reference. The default operator is "=". Be wary of using "<", ">" or other operators as they specify an open-ended range of possible values. You can search for mapping records related to multiple references by entering multiple J numbers. To do so, you must user the "=" operator and enter the J numbers separated by commas