MeSH Browser

MeSH Heading: beta-Galactosidase
Tree Number(s): D08.811.277.450.410.100
Unique ID: D001616
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D001616
Annotation: /defic: consider also LACTOSE INTOLERANCE and GANGLIOSIDOSIS, GM1
Scope Note: A group of enzymes that catalyzes the hydrolysis of terminal, non-reducing beta-D-galactose residues in beta-galactosides. Deficiency of beta-Galactosidase A1 may cause GANGLIOSIDOSIS, GM1.
Entry Term(s): Dairyaid; Lactaid; Lactases; Lactogest; Lactrase; beta-D-Galactosidase; beta-Galactosidase A1; beta-Galactosidase A2; beta-Galactosidase A3; beta-Galactosidases; lac Z Protein
Registry Number: EC 3.2.1.23
CAS Type 1 Name: beta-D-Galactoside galactohydrolase
Previous Indexing: Galactosidases (1966-1977)
See Also: Gangliosidosis, GM1
Public MeSH Note: 92; was BETA-GALACTOSIDASES 1978-91 (see under GALACTOSIDASES 1978-90)
Online Note: use BETA-GALACTOSIDASE to search BETA-GALACTOSIDASES 1978-91
History Note: 92; was BETA-GALACTOSIDASES 1978-91 (see under GALACTOSIDASES 1978-90)
Date Established: 1991/01/01
Date of Entry: 1977/04/15
Revision Date: 2016/07/05

Allowable Qualifiers: administration & dosage (AD)

adverse effects (AE)

analysis (AN)

antagonists & inhibitors (AI)

biosynthesis (BI)

blood (BL)

cerebrospinal fluid (CF)

chemical synthesis (CS)

chemistry (CH)

classification (CL)

deficiency (DF)

drug effects (DE)

economics (EC)

genetics (GE)

history (HI)

immunology (IM)

isolation & purification (IP)

metabolism (ME)

pharmacokinetics (PK)

pharmacology (PD)

physiology (PH)

poisoning (PO)

radiation effects (RE)

standards (ST)

supply & distribution (SD)

therapeutic use (TU)

toxicity (TO)

ultrastructure (UL)

urine (UR)

Concept UI: M0002418
Registry Number: EC 3.2.1.23
Scope Note: A group of enzymes that catalyzes the hydrolysis of terminal, non-reducing beta-D-galactose residues in beta-galactosides. Deficiency of beta-Galactosidase A1 may cause GANGLIOSIDOSIS, GM1.
Terms: beta-Galactosidase Preferred Term
Term UI T004656
Date01/01/1999
LexicalTag NON
ThesaurusID NLM (1978); beta-Galactosidases
Term UI T004655
Date01/16/1991
LexicalTag NON
ThesaurusID NLM (1992); lac Z Protein
Term UI T004659
Date03/15/1991
LexicalTag NON
ThesaurusID NLM (1992); Lactases
Term UI T004658
Date03/31/1977
LexicalTag NON
ThesaurusID UNK (19XX); beta-D-Galactosidase
Term UI T004654
Date11/13/1981
LexicalTag NON
ThesaurusID UNK (19XX)

beta-Galactosidase MeSH Descriptor Data 2023