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PMID:23930155
| Citation |
Sato, Y, Okamoto-Shibayama, K and Azuma, T (2013) The malQ gene is essential for starch metabolism in Streptococcus mutans. J Oral Microbiol 5 |
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| Abstract |
The malQ and glgP genes, respectively, annotated as putative 4-α-glucanotransferase and putative glycogen phosphorylase are located with a 29 nucleotide overlap on the Streptococcus mutans genome. We found that the glgP gene of this organism was induced with maltose, and the gene likely constituted an operon with the upstream gene malQ. This putative operon was negatively regulated with the malR gene located upstream from the malQ gene and a MalR-binding consensus sequence was found upstream of the malQ gene. S. mutans is not able to catabolize starch. However, this organism utilizes maltose degraded from starch in the presence of saliva amylase. Therefore, we hypothesized that the MalQ/GlgP system may participate in the metabolism of starch-degradation products. |
| Links |
PubMed PMC3737437 Online version:10.3402/jom.v5i0.21285 |
| Keywords |
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| edit table |
Significance
Annotations
| Gene product | Qualifier | GO Term | Evidence Code | with/from | Aspect | Extension | Notes | Status |
|---|---|---|---|---|---|---|---|---|
| GO:0009312: oligosaccharide biosynthetic process |
ECO:0000314: |
P |
In figure 4, it is shown that maltooligosaccharides are formed after addition to the MalQ enzyme in a maltose substrate. |
complete | ||||
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involved_in |
GO:0009312: oligosaccharide biosynthetic process |
ECO:0000314: direct assay evidence used in manual assertion |
P |
Seeded From UniProt |
complete | |||
See also
References
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